diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd_1363/dhd_linux.c')
| -rw-r--r-- | drivers/net/wireless/bcmdhd_1363/dhd_linux.c | 14471 |
1 files changed, 14471 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd_1363/dhd_linux.c b/drivers/net/wireless/bcmdhd_1363/dhd_linux.c new file mode 100644 index 000000000000..27c931679e18 --- /dev/null +++ b/drivers/net/wireless/bcmdhd_1363/dhd_linux.c @@ -0,0 +1,14471 @@ +/* + * Broadcom Dongle Host Driver (DHD), Linux-specific network interface + * Basically selected code segments from usb-cdc.c and usb-rndis.c + * + * Copyright (C) 1999-2017, Broadcom Corporation + * + * Unless you and Broadcom execute a separate written software license + * agreement governing use of this software, this software is licensed to you + * under the terms of the GNU General Public License version 2 (the "GPL"), + * available at http://www.broadcom.com/licenses/GPLv2.php, with the + * following added to such license: + * + * As a special exception, the copyright holders of this software give you + * permission to link this software with independent modules, and to copy and + * distribute the resulting executable under terms of your choice, provided that + * you also meet, for each linked independent module, the terms and conditions of + * the license of that module. An independent module is a module which is not + * derived from this software. The special exception does not apply to any + * modifications of the software. + * + * Notwithstanding the above, under no circumstances may you combine this + * software in any way with any other Broadcom software provided under a license + * other than the GPL, without Broadcom's express prior written consent. + * + * + * <<Broadcom-WL-IPTag/Open:>> + * + * $Id: dhd_linux.c 665078 2017-05-18 08:51:32Z $ + */ + +#include <typedefs.h> +#include <linuxver.h> +#include <osl.h> +#ifdef SHOW_LOGTRACE +#include <linux/syscalls.h> +#include <event_log.h> +#endif /* SHOW_LOGTRACE */ + + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/skbuff.h> +#include <linux/netdevice.h> +#include <linux/inetdevice.h> +#include <linux/rtnetlink.h> +#include <linux/etherdevice.h> +#include <linux/random.h> +#include <linux/spinlock.h> +#include <linux/ethtool.h> +#include <linux/fcntl.h> +#include <linux/fs.h> +#include <linux/ip.h> +#include <linux/reboot.h> +#include <linux/notifier.h> +#include <net/addrconf.h> +#ifdef ENABLE_ADAPTIVE_SCHED +#include <linux/cpufreq.h> +#endif /* ENABLE_ADAPTIVE_SCHED */ + +#include <asm/uaccess.h> +#include <asm/unaligned.h> + +#include <epivers.h> +#include <bcmutils.h> +#include <bcmendian.h> +#include <bcmdevs.h> + +#include <proto/ethernet.h> +#include <proto/bcmevent.h> +#include <proto/vlan.h> +#include <proto/802.3.h> + +#include <dngl_stats.h> +#include <dhd_linux_wq.h> +#include <dhd.h> +#include <dhd_linux.h> +#ifdef PCIE_FULL_DONGLE +#include <dhd_flowring.h> +#endif +#include <dhd_bus.h> +#include <dhd_proto.h> +#include <dhd_dbg.h> +#ifdef CONFIG_HAS_WAKELOCK +#include <linux/wakelock.h> +#endif +#ifdef WL_CFG80211 +#include <wl_cfg80211.h> +#endif +#ifdef PNO_SUPPORT +#include <dhd_pno.h> +#endif +#ifdef RTT_SUPPORT +#include <dhd_rtt.h> +#endif + +#ifdef CONFIG_COMPAT +#include <linux/compat.h> +#endif + +#ifdef DHD_WMF +#include <dhd_wmf_linux.h> +#endif /* DHD_WMF */ + +#ifdef DHD_L2_FILTER +#include <proto/bcmicmp.h> +#include <bcm_l2_filter.h> +#include <dhd_l2_filter.h> +#endif /* DHD_L2_FILTER */ + +#ifdef DHD_PSTA +#include <dhd_psta.h> +#endif /* DHD_PSTA */ + + +#ifdef DHDTCPACK_SUPPRESS +#include <dhd_ip.h> +#endif /* DHDTCPACK_SUPPRESS */ + +#ifdef DHD_BANDSTEER +#include <dhd_bandsteer.h> +#endif /* DHD_BANDSTEER */ + +#ifdef DHD_DEBUG_PAGEALLOC +typedef void (*page_corrupt_cb_t)(void *handle, void *addr_corrupt, size_t len); +void dhd_page_corrupt_cb(void *handle, void *addr_corrupt, size_t len); +extern void register_page_corrupt_cb(page_corrupt_cb_t cb, void* handle); +#endif /* DHD_DEBUG_PAGEALLOC */ + + +#if defined(DHD_LB) +/* Dynamic CPU selection for load balancing */ +#include <linux/cpu.h> +#include <linux/cpumask.h> +#include <linux/notifier.h> +#include <linux/workqueue.h> +#include <asm/atomic.h> + +#if !defined(DHD_LB_PRIMARY_CPUS) +#define DHD_LB_PRIMARY_CPUS 0x0 /* Big CPU coreids mask */ +#endif + +#if !defined(DHD_LB_SECONDARY_CPUS) +#define DHD_LB_SECONDARY_CPUS 0xFE /* Little CPU coreids mask */ +#endif + +#define HIST_BIN_SIZE 8 + +#if defined(DHD_LB_RXP) +static void dhd_rx_napi_dispatcher_fn(struct work_struct * work); +#endif /* DHD_LB_RXP */ + +#endif /* DHD_LB */ + +#ifdef WLMEDIA_HTSF +#include <linux/time.h> +#include <htsf.h> + +#define HTSF_MINLEN 200 /* min. packet length to timestamp */ +#define HTSF_BUS_DELAY 150 /* assume a fix propagation in us */ +#define TSMAX 1000 /* max no. of timing record kept */ +#define NUMBIN 34 + +static uint32 tsidx = 0; +static uint32 htsf_seqnum = 0; +uint32 tsfsync; +struct timeval tsync; +static uint32 tsport = 5010; + +typedef struct histo_ { + uint32 bin[NUMBIN]; +} histo_t; + +#if !ISPOWEROF2(DHD_SDALIGN) +#error DHD_SDALIGN is not a power of 2! +#endif + +static histo_t vi_d1, vi_d2, vi_d3, vi_d4; +#endif /* WLMEDIA_HTSF */ + +#ifdef STBLINUX +#ifdef quote_str +#undef quote_str +#endif /* quote_str */ +#ifdef to_str +#undef to_str +#endif /* quote_str */ +#define to_str(s) #s +#define quote_str(s) to_str(s) + +static char *driver_target = "driver_target: "quote_str(BRCM_DRIVER_TARGET); +#endif /* STBLINUX */ + + +#if defined(SOFTAP) +extern bool ap_cfg_running; +extern bool ap_fw_loaded; +#endif +extern void dhd_dump_eapol_4way_message(char *ifname, char *dump_data, bool direction); + +#ifdef FIX_CPU_MIN_CLOCK +#include <linux/pm_qos.h> +#endif /* FIX_CPU_MIN_CLOCK */ +#ifdef SET_RANDOM_MAC_SOFTAP +#ifndef CONFIG_DHD_SET_RANDOM_MAC_VAL +#define CONFIG_DHD_SET_RANDOM_MAC_VAL 0x001A11 +#endif +static u32 vendor_oui = CONFIG_DHD_SET_RANDOM_MAC_VAL; +#endif /* SET_RANDOM_MAC_SOFTAP */ +#ifdef ENABLE_ADAPTIVE_SCHED +#define DEFAULT_CPUFREQ_THRESH 1000000 /* threshold frequency : 1000000 = 1GHz */ +#ifndef CUSTOM_CPUFREQ_THRESH +#define CUSTOM_CPUFREQ_THRESH DEFAULT_CPUFREQ_THRESH +#endif /* CUSTOM_CPUFREQ_THRESH */ +#endif /* ENABLE_ADAPTIVE_SCHED */ + +/* enable HOSTIP cache update from the host side when an eth0:N is up */ +#define AOE_IP_ALIAS_SUPPORT 1 + +#ifdef BCM_FD_AGGR +#include <bcm_rpc.h> +#include <bcm_rpc_tp.h> +#endif +#ifdef PROP_TXSTATUS +#include <wlfc_proto.h> +#include <dhd_wlfc.h> +#endif + +#include <wl_android.h> + +/* Maximum STA per radio */ +#define DHD_MAX_STA 32 + + + +const uint8 wme_fifo2ac[] = { 0, 1, 2, 3, 1, 1 }; +const uint8 prio2fifo[8] = { 1, 0, 0, 1, 2, 2, 3, 3 }; +#define WME_PRIO2AC(prio) wme_fifo2ac[prio2fifo[(prio)]] + +#ifdef ARP_OFFLOAD_SUPPORT +void aoe_update_host_ipv4_table(dhd_pub_t *dhd_pub, u32 ipa, bool add, int idx); +static int dhd_inetaddr_notifier_call(struct notifier_block *this, + unsigned long event, void *ptr); +static struct notifier_block dhd_inetaddr_notifier = { + .notifier_call = dhd_inetaddr_notifier_call +}; +/* to make sure we won't register the same notifier twice, otherwise a loop is likely to be + * created in kernel notifier link list (with 'next' pointing to itself) + */ +static bool dhd_inetaddr_notifier_registered = FALSE; +#endif /* ARP_OFFLOAD_SUPPORT */ + +#if defined(CONFIG_IPV6) && defined(IPV6_NDO_SUPPORT) +static int dhd_inet6addr_notifier_call(struct notifier_block *this, + unsigned long event, void *ptr); +static struct notifier_block dhd_inet6addr_notifier = { + .notifier_call = dhd_inet6addr_notifier_call +}; +/* to make sure we won't register the same notifier twice, otherwise a loop is likely to be + * created in kernel notifier link list (with 'next' pointing to itself) + */ +static bool dhd_inet6addr_notifier_registered = FALSE; +#endif /* CONFIG_IPV6 && IPV6_NDO_SUPPORT */ + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) +#include <linux/suspend.h> +volatile bool dhd_mmc_suspend = FALSE; +DECLARE_WAIT_QUEUE_HEAD(dhd_dpc_wait); +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) */ + +#if defined(OOB_INTR_ONLY) +extern void dhd_enable_oob_intr(struct dhd_bus *bus, bool enable); +#endif +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) +static void dhd_hang_process(void *dhd_info, void *event_data, u8 event); +#endif +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) +MODULE_LICENSE("GPL and additional rights"); +#endif /* LinuxVer */ + +#include <dhd_bus.h> + +#ifdef BCM_FD_AGGR +#define DBUS_RX_BUFFER_SIZE_DHD(net) (BCM_RPC_TP_DNGL_AGG_MAX_BYTE) +#else +#ifndef PROP_TXSTATUS +#define DBUS_RX_BUFFER_SIZE_DHD(net) (net->mtu + net->hard_header_len + dhd->pub.hdrlen) +#else +#define DBUS_RX_BUFFER_SIZE_DHD(net) (net->mtu + net->hard_header_len + dhd->pub.hdrlen + 128) +#endif +#endif /* BCM_FD_AGGR */ + +#ifdef PROP_TXSTATUS +extern bool dhd_wlfc_skip_fc(void *dhd); +extern void dhd_wlfc_plat_init(void *dhd); +extern void dhd_wlfc_plat_deinit(void *dhd); +#endif /* PROP_TXSTATUS */ +#ifdef USE_DYNAMIC_F2_BLKSIZE +extern uint sd_f2_blocksize; +extern int dhdsdio_func_blocksize(dhd_pub_t *dhd, int function_num, int block_size); +#endif /* USE_DYNAMIC_F2_BLKSIZE */ + +#if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 15) +const char * +print_tainted() +{ + return ""; +} +#endif /* LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 15) */ + +/* Linux wireless extension support */ +#if defined(WL_WIRELESS_EXT) +#include <wl_iw.h> +extern wl_iw_extra_params_t g_wl_iw_params; +#endif /* defined(WL_WIRELESS_EXT) */ + +#ifdef CONFIG_PARTIALSUSPEND_SLP +#include <linux/partialsuspend_slp.h> +#define CONFIG_HAS_EARLYSUSPEND +#define DHD_USE_EARLYSUSPEND +#define register_early_suspend register_pre_suspend +#define unregister_early_suspend unregister_pre_suspend +#define early_suspend pre_suspend +#define EARLY_SUSPEND_LEVEL_BLANK_SCREEN 50 +#else +#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) +#include <linux/earlysuspend.h> +#endif /* defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) */ +#endif /* CONFIG_PARTIALSUSPEND_SLP */ + +extern int dhd_get_suspend_bcn_li_dtim(dhd_pub_t *dhd); + +#ifdef PKT_FILTER_SUPPORT +extern void dhd_pktfilter_offload_set(dhd_pub_t * dhd, char *arg); +extern void dhd_pktfilter_offload_enable(dhd_pub_t * dhd, char *arg, int enable, int master_mode); +extern void dhd_pktfilter_offload_delete(dhd_pub_t *dhd, int id); +#endif + + + + + + +#ifdef DHD_FW_COREDUMP +static void dhd_mem_dump(void *dhd_info, void *event_info, u8 event); +#endif /* DHD_FW_COREDUMP */ +#ifdef DHD_LOG_DUMP +static void dhd_log_dump_init(dhd_pub_t *dhd); +static void dhd_log_dump_deinit(dhd_pub_t *dhd); +static void dhd_log_dump(void *handle, void *event_info, u8 event); +void dhd_schedule_log_dump(dhd_pub_t *dhdp); +static int do_dhd_log_dump(dhd_pub_t *dhdp); +#endif /* DHD_LOG_DUMP */ + +#ifdef DHD_DEBUG_UART +#include <linux/kmod.h> +#define DHD_DEBUG_UART_EXEC_PATH "/system/bin/wldu" +static void dhd_debug_uart_exec(char *cmd); +#endif + +static int dhd_reboot_callback(struct notifier_block *this, unsigned long code, void *unused); +static struct notifier_block dhd_reboot_notifier = { + .notifier_call = dhd_reboot_callback, + .priority = 1, +}; + +#ifdef BCMPCIE +static int is_reboot = 0; +#endif /* BCMPCIE */ + +typedef struct dhd_if_event { + struct list_head list; + wl_event_data_if_t event; + char name[IFNAMSIZ+1]; + uint8 mac[ETHER_ADDR_LEN]; +} dhd_if_event_t; + +/* Interface control information */ +typedef struct dhd_if { + struct dhd_info *info; /* back pointer to dhd_info */ + /* OS/stack specifics */ + struct net_device *net; + int idx; /* iface idx in dongle */ + uint subunit; /* subunit */ + uint8 mac_addr[ETHER_ADDR_LEN]; /* assigned MAC address */ + bool set_macaddress; + bool set_multicast; + uint8 bssidx; /* bsscfg index for the interface */ + bool attached; /* Delayed attachment when unset */ + bool txflowcontrol; /* Per interface flow control indicator */ + char name[IFNAMSIZ+1]; /* linux interface name */ + char dngl_name[IFNAMSIZ+1]; /* corresponding dongle interface name */ + struct net_device_stats stats; +#ifdef DHD_WMF + dhd_wmf_t wmf; /* per bsscfg wmf setting */ +#endif /* DHD_WMF */ +#ifdef PCIE_FULL_DONGLE + struct list_head sta_list; /* sll of associated stations */ +#if !defined(BCM_GMAC3) + spinlock_t sta_list_lock; /* lock for manipulating sll */ +#endif /* ! BCM_GMAC3 */ +#endif /* PCIE_FULL_DONGLE */ + uint32 ap_isolate; /* ap-isolation settings */ +#ifdef DHD_L2_FILTER + bool parp_enable; + bool parp_discard; + bool parp_allnode; + arp_table_t *phnd_arp_table; +/* for Per BSS modification */ + bool dhcp_unicast; + bool block_ping; + bool grat_arp; +#endif /* DHD_L2_FILTER */ +} dhd_if_t; + +#ifdef WLMEDIA_HTSF +typedef struct { + uint32 low; + uint32 high; +} tsf_t; + +typedef struct { + uint32 last_cycle; + uint32 last_sec; + uint32 last_tsf; + uint32 coef; /* scaling factor */ + uint32 coefdec1; /* first decimal */ + uint32 coefdec2; /* second decimal */ +} htsf_t; + +typedef struct { + uint32 t1; + uint32 t2; + uint32 t3; + uint32 t4; +} tstamp_t; + +static tstamp_t ts[TSMAX]; +static tstamp_t maxdelayts; +static uint32 maxdelay = 0, tspktcnt = 0, maxdelaypktno = 0; + +#endif /* WLMEDIA_HTSF */ + +struct ipv6_work_info_t { + uint8 if_idx; + char ipv6_addr[16]; + unsigned long event; +}; + +#ifdef DHD_DEBUG +typedef struct dhd_dump { + uint8 *buf; + int bufsize; +} dhd_dump_t; +#endif /* DHD_DEBUG */ + +/* When Perimeter locks are deployed, any blocking calls must be preceeded + * with a PERIM UNLOCK and followed by a PERIM LOCK. + * Examples of blocking calls are: schedule_timeout(), down_interruptible(), + * wait_event_timeout(). + */ + +/* Local private structure (extension of pub) */ +typedef struct dhd_info { +#if defined(WL_WIRELESS_EXT) + wl_iw_t iw; /* wireless extensions state (must be first) */ +#endif /* defined(WL_WIRELESS_EXT) */ + dhd_pub_t pub; + dhd_if_t *iflist[DHD_MAX_IFS]; /* for supporting multiple interfaces */ + + void *adapter; /* adapter information, interrupt, fw path etc. */ + char fw_path[PATH_MAX]; /* path to firmware image */ + char nv_path[PATH_MAX]; /* path to nvram vars file */ + + /* serialize dhd iovars */ + struct mutex dhd_iovar_mutex; + + struct semaphore proto_sem; +#ifdef PROP_TXSTATUS + spinlock_t wlfc_spinlock; + +#endif /* PROP_TXSTATUS */ +#ifdef WLMEDIA_HTSF + htsf_t htsf; +#endif + wait_queue_head_t ioctl_resp_wait; + wait_queue_head_t d3ack_wait; + wait_queue_head_t dhd_bus_busy_state_wait; + uint32 default_wd_interval; + + struct timer_list timer; + bool wd_timer_valid; +#ifdef DHD_PCIE_RUNTIMEPM + struct timer_list rpm_timer; + bool rpm_timer_valid; + tsk_ctl_t thr_rpm_ctl; +#endif /* DHD_PCIE_RUNTIMEPM */ + struct tasklet_struct tasklet; + spinlock_t sdlock; + spinlock_t txqlock; + spinlock_t dhd_lock; + + struct semaphore sdsem; + tsk_ctl_t thr_dpc_ctl; + tsk_ctl_t thr_wdt_ctl; + + tsk_ctl_t thr_rxf_ctl; + spinlock_t rxf_lock; + bool rxthread_enabled; + + /* Wakelocks */ +#if defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + struct wake_lock wl_wifi; /* Wifi wakelock */ + struct wake_lock wl_rxwake; /* Wifi rx wakelock */ + struct wake_lock wl_ctrlwake; /* Wifi ctrl wakelock */ + struct wake_lock wl_wdwake; /* Wifi wd wakelock */ + struct wake_lock wl_evtwake; /* Wifi event wakelock */ + struct wake_lock wl_pmwake; /* Wifi pm handler wakelock */ + struct wake_lock wl_txflwake; /* Wifi tx flow wakelock */ +#ifdef BCMPCIE_OOB_HOST_WAKE + struct wake_lock wl_intrwake; /* Host wakeup wakelock */ +#endif /* BCMPCIE_OOB_HOST_WAKE */ +#ifdef DHD_USE_SCAN_WAKELOCK + struct wake_lock wl_scanwake; /* Wifi scan wakelock */ +#endif /* DHD_USE_SCAN_WAKELOCK */ +#endif /* CONFIG_HAS_WAKELOCK && LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) */ + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + /* net_device interface lock, prevent race conditions among net_dev interface + * calls and wifi_on or wifi_off + */ + struct mutex dhd_net_if_mutex; + struct mutex dhd_suspend_mutex; +#endif + spinlock_t wakelock_spinlock; + spinlock_t wakelock_evt_spinlock; + uint32 wakelock_counter; + int wakelock_wd_counter; + int wakelock_rx_timeout_enable; + int wakelock_ctrl_timeout_enable; + bool waive_wakelock; + uint32 wakelock_before_waive; + + /* Thread to issue ioctl for multicast */ + wait_queue_head_t ctrl_wait; + atomic_t pend_8021x_cnt; + dhd_attach_states_t dhd_state; +#ifdef SHOW_LOGTRACE + dhd_event_log_t event_data; +#endif /* SHOW_LOGTRACE */ + +#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) + struct early_suspend early_suspend; +#endif /* CONFIG_HAS_EARLYSUSPEND && DHD_USE_EARLYSUSPEND */ + +#ifdef ARP_OFFLOAD_SUPPORT + u32 pend_ipaddr; +#endif /* ARP_OFFLOAD_SUPPORT */ +#ifdef BCM_FD_AGGR + void *rpc_th; + void *rpc_osh; + struct timer_list rpcth_timer; + bool rpcth_timer_active; + uint8 fdaggr; +#endif +#ifdef DHDTCPACK_SUPPRESS + spinlock_t tcpack_lock; +#endif /* DHDTCPACK_SUPPRESS */ +#ifdef FIX_CPU_MIN_CLOCK + bool cpufreq_fix_status; + struct mutex cpufreq_fix; + struct pm_qos_request dhd_cpu_qos; +#ifdef FIX_BUS_MIN_CLOCK + struct pm_qos_request dhd_bus_qos; +#endif /* FIX_BUS_MIN_CLOCK */ +#endif /* FIX_CPU_MIN_CLOCK */ + void *dhd_deferred_wq; +#ifdef DEBUG_CPU_FREQ + struct notifier_block freq_trans; + int __percpu *new_freq; +#endif + unsigned int unit; + struct notifier_block pm_notifier; +#ifdef DHD_PSTA + uint32 psta_mode; /* PSTA or PSR */ +#endif /* DHD_PSTA */ +#ifdef DHD_DEBUG + dhd_dump_t *dump; + struct timer_list join_timer; + u32 join_timeout_val; + bool join_timer_active; + uint scan_time_count; + struct timer_list scan_timer; + bool scan_timer_active; +#endif +#if defined(DHD_LB) + /* CPU Load Balance dynamic CPU selection */ + + /* Variable that tracks the currect CPUs available for candidacy */ + cpumask_var_t cpumask_curr_avail; + + /* Primary and secondary CPU mask */ + cpumask_var_t cpumask_primary, cpumask_secondary; /* configuration */ + cpumask_var_t cpumask_primary_new, cpumask_secondary_new; /* temp */ + + struct notifier_block cpu_notifier; + + /* Tasklet to handle Tx Completion packet freeing */ + struct tasklet_struct tx_compl_tasklet; + atomic_t tx_compl_cpu; + + + /* Tasklet to handle RxBuf Post during Rx completion */ + struct tasklet_struct rx_compl_tasklet; + atomic_t rx_compl_cpu; + + /* Napi struct for handling rx packet sendup. Packets are removed from + * H2D RxCompl ring and placed into rx_pend_queue. rx_pend_queue is then + * appended to rx_napi_queue (w/ lock) and the rx_napi_struct is scheduled + * to run to rx_napi_cpu. + */ + struct sk_buff_head rx_pend_queue ____cacheline_aligned; + struct sk_buff_head rx_napi_queue ____cacheline_aligned; + struct napi_struct rx_napi_struct ____cacheline_aligned; + atomic_t rx_napi_cpu; /* cpu on which the napi is dispatched */ + struct net_device *rx_napi_netdev; /* netdev of primary interface */ + + struct work_struct rx_napi_dispatcher_work; + struct work_struct tx_compl_dispatcher_work; + struct work_struct rx_compl_dispatcher_work; + /* Number of times DPC Tasklet ran */ + uint32 dhd_dpc_cnt; + + /* Number of times NAPI processing got scheduled */ + uint32 napi_sched_cnt; + + /* Number of times NAPI processing ran on each available core */ + uint32 napi_percpu_run_cnt[NR_CPUS]; + + /* Number of times RX Completions got scheduled */ + uint32 rxc_sched_cnt; + /* Number of times RX Completion ran on each available core */ + uint32 rxc_percpu_run_cnt[NR_CPUS]; + + /* Number of times TX Completions got scheduled */ + uint32 txc_sched_cnt; + /* Number of times TX Completions ran on each available core */ + uint32 txc_percpu_run_cnt[NR_CPUS]; + + /* CPU status */ + /* Number of times each CPU came online */ + uint32 cpu_online_cnt[NR_CPUS]; + + /* Number of times each CPU went offline */ + uint32 cpu_offline_cnt[NR_CPUS]; + + /* + * Consumer Histogram - NAPI RX Packet processing + * ----------------------------------------------- + * On Each CPU, when the NAPI RX Packet processing call back was invoked + * how many packets were processed is captured in this data structure. + * Now its difficult to capture the "exact" number of packets processed. + * So considering the packet counter to be a 32 bit one, we have a + * bucket with 8 bins (2^1, 2^2 ... 2^8). The "number" of packets + * processed is rounded off to the next power of 2 and put in the + * approriate "bin" the value in the bin gets incremented. + * For example, assume that in CPU 1 if NAPI Rx runs 3 times + * and the packet count processed is as follows (assume the bin counters are 0) + * iteration 1 - 10 (the bin counter 2^4 increments to 1) + * iteration 2 - 30 (the bin counter 2^5 increments to 1) + * iteration 3 - 15 (the bin counter 2^4 increments by 1 to become 2) + */ + uint32 napi_rx_hist[NR_CPUS][HIST_BIN_SIZE]; + uint32 txc_hist[NR_CPUS][HIST_BIN_SIZE]; + uint32 rxc_hist[NR_CPUS][HIST_BIN_SIZE]; +#endif /* DHD_LB */ + +#if defined(BCM_DNGL_EMBEDIMAGE) || defined(BCM_REQUEST_FW) +#endif /* defined(BCM_DNGL_EMBEDIMAGE) || defined(BCM_REQUEST_FW) */ + + struct kobject dhd_kobj; + + uint32 shub_enable; + + struct delayed_work dhd_memdump_work; +} dhd_info_t; + +#define DHDIF_FWDER(dhdif) FALSE + +/* Flag to indicate if we should download firmware on driver load */ +uint dhd_download_fw_on_driverload = TRUE; + +/* Flag to indicate if driver is initialized */ +uint dhd_driver_init_done = FALSE; + +/* Definitions to provide path to the firmware and nvram + * example nvram_path[MOD_PARAM_PATHLEN]="/projects/wlan/nvram.txt" + */ +char firmware_path[MOD_PARAM_PATHLEN]; +char nvram_path[MOD_PARAM_PATHLEN]; +char clm_path[MOD_PARAM_PATHLEN]; + +module_param_string(clm_path, clm_path, MOD_PARAM_PATHLEN, 0660); + +/* backup buffer for firmware and nvram path */ +char fw_bak_path[MOD_PARAM_PATHLEN]; +char nv_bak_path[MOD_PARAM_PATHLEN]; + +/* information string to keep firmware, chio, cheip version info visiable from log */ +char info_string[MOD_PARAM_INFOLEN]; +module_param_string(info_string, info_string, MOD_PARAM_INFOLEN, 0444); +int op_mode = 0; +int disable_proptx = 0; +module_param(op_mode, int, 0644); + +#if defined(DHD_LB_RXP) +static int dhd_napi_weight = 32; +module_param(dhd_napi_weight, int, 0644); +#endif /* DHD_LB_RXP */ + +extern int wl_control_wl_start(struct net_device *dev); +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(BCMLXSDMMC) +struct semaphore dhd_registration_sem; +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ + +/* deferred handlers */ +static void dhd_ifadd_event_handler(void *handle, void *event_info, u8 event); +static void dhd_ifdel_event_handler(void *handle, void *event_info, u8 event); +static void dhd_set_mac_addr_handler(void *handle, void *event_info, u8 event); +static void dhd_set_mcast_list_handler(void *handle, void *event_info, u8 event); +#if defined(CONFIG_IPV6) && defined(IPV6_NDO_SUPPORT) +static void dhd_inet6_work_handler(void *dhd_info, void *event_data, u8 event); +#endif /* CONFIG_IPV6 && IPV6_NDO_SUPPORT */ +#ifdef WL_CFG80211 +extern void dhd_netdev_free(struct net_device *ndev); +#endif /* WL_CFG80211 */ + +/* Error bits */ +module_param(dhd_msg_level, int, 0); + +#ifdef ARP_OFFLOAD_SUPPORT +/* ARP offload enable */ +uint dhd_arp_enable = TRUE; +module_param(dhd_arp_enable, uint, 0); + +/* ARP offload agent mode : Enable ARP Host Auto-Reply and ARP Peer Auto-Reply */ + +#ifdef ENABLE_ARP_SNOOP_MODE +uint dhd_arp_mode = ARP_OL_AGENT | ARP_OL_PEER_AUTO_REPLY | ARP_OL_SNOOP; +#else +uint dhd_arp_mode = ARP_OL_AGENT | ARP_OL_PEER_AUTO_REPLY; +#endif /* ENABLE_ARP_SNOOP_MODE */ + +module_param(dhd_arp_mode, uint, 0); +#endif /* ARP_OFFLOAD_SUPPORT */ + +/* Disable Prop tx */ +module_param(disable_proptx, int, 0644); +/* load firmware and/or nvram values from the filesystem */ +module_param_string(firmware_path, firmware_path, MOD_PARAM_PATHLEN, 0660); +module_param_string(nvram_path, nvram_path, MOD_PARAM_PATHLEN, 0660); + +/* Watchdog interval */ + +/* extend watchdog expiration to 2 seconds when DPC is running */ +#define WATCHDOG_EXTEND_INTERVAL (2000) + +uint dhd_watchdog_ms = CUSTOM_DHD_WATCHDOG_MS; +module_param(dhd_watchdog_ms, uint, 0); + +#ifdef DHD_PCIE_RUNTIMEPM +uint dhd_runtimepm_ms = CUSTOM_DHD_RUNTIME_MS; +#endif /* DHD_PCIE_RUNTIMEPMT */ +#if defined(DHD_DEBUG) +/* Console poll interval */ +uint dhd_console_ms = 0; +module_param(dhd_console_ms, uint, 0644); +#endif /* defined(DHD_DEBUG) */ + + +uint dhd_slpauto = TRUE; +module_param(dhd_slpauto, uint, 0); + +#ifdef PKT_FILTER_SUPPORT +/* Global Pkt filter enable control */ +uint dhd_pkt_filter_enable = TRUE; +module_param(dhd_pkt_filter_enable, uint, 0); +#endif + +/* Pkt filter init setup */ +uint dhd_pkt_filter_init = 0; +module_param(dhd_pkt_filter_init, uint, 0); + +/* Pkt filter mode control */ +#ifdef GAN_LITE_NAT_KEEPALIVE_FILTER +uint dhd_master_mode = FALSE; +#else +uint dhd_master_mode = TRUE; +#endif /* GAN_LITE_NAT_KEEPALIVE_FILTER */ +module_param(dhd_master_mode, uint, 0); + +int dhd_watchdog_prio = 0; +module_param(dhd_watchdog_prio, int, 0); + +/* DPC thread priority */ +int dhd_dpc_prio = CUSTOM_DPC_PRIO_SETTING; +module_param(dhd_dpc_prio, int, 0); + +/* RX frame thread priority */ +int dhd_rxf_prio = CUSTOM_RXF_PRIO_SETTING; +module_param(dhd_rxf_prio, int, 0); + +int passive_channel_skip = 0; +module_param(passive_channel_skip, int, (S_IRUSR|S_IWUSR)); + +#if !defined(BCMDHDUSB) +extern int dhd_dongle_ramsize; +module_param(dhd_dongle_ramsize, int, 0); +#endif /* BCMDHDUSB */ + +/* Keep track of number of instances */ +static int dhd_found = 0; +static int instance_base = 0; /* Starting instance number */ +module_param(instance_base, int, 0644); + +/* Takes value of LL of OTP param customvar2=0xKKLLMMNN. + * LL is module variant + */ +uint32 hw_module_variant = 0; +module_param(hw_module_variant, uint, 0644); + +/* Functions to manage sysfs interface for dhd */ +static int dhd_sysfs_init(dhd_info_t *dhd); +static void dhd_sysfs_exit(dhd_info_t *dhd); + +#if defined(DHD_LB) + +static void +dhd_lb_set_default_cpus(dhd_info_t *dhd) +{ + /* Default CPU allocation for the jobs */ + atomic_set(&dhd->rx_napi_cpu, 1); + atomic_set(&dhd->rx_compl_cpu, 2); + atomic_set(&dhd->tx_compl_cpu, 2); +} + +static void +dhd_cpumasks_deinit(dhd_info_t *dhd) +{ + free_cpumask_var(dhd->cpumask_curr_avail); + free_cpumask_var(dhd->cpumask_primary); + free_cpumask_var(dhd->cpumask_primary_new); + free_cpumask_var(dhd->cpumask_secondary); + free_cpumask_var(dhd->cpumask_secondary_new); +} + +static int +dhd_cpumasks_init(dhd_info_t *dhd) +{ + int id; + uint32 cpus, cpu_num; + int ret = 0; + + if (!alloc_cpumask_var(&dhd->cpumask_curr_avail, GFP_KERNEL) || + !alloc_cpumask_var(&dhd->cpumask_primary, GFP_KERNEL) || + !alloc_cpumask_var(&dhd->cpumask_primary_new, GFP_KERNEL) || + !alloc_cpumask_var(&dhd->cpumask_secondary, GFP_KERNEL) || + !alloc_cpumask_var(&dhd->cpumask_secondary_new, GFP_KERNEL)) { + DHD_ERROR(("%s Failed to init cpumasks\n", __FUNCTION__)); + ret = -ENOMEM; + goto fail; + } + + cpumask_copy(dhd->cpumask_curr_avail, cpu_online_mask); + cpumask_clear(dhd->cpumask_primary); + cpumask_clear(dhd->cpumask_secondary); + + cpu_num = num_possible_cpus(); + cpus = DHD_LB_PRIMARY_CPUS; + for (id = 0; id < cpu_num; id++) { + if (isset(&cpus, id)) + cpumask_set_cpu(id, dhd->cpumask_primary); + } + + cpus = DHD_LB_SECONDARY_CPUS; + for (id = 0; id < cpu_num; id++) { + if (isset(&cpus, id)) + cpumask_set_cpu(id, dhd->cpumask_secondary); + } + + return ret; +fail: + dhd_cpumasks_deinit(dhd); + return ret; +} + +/* + * The CPU Candidacy Algorithm + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * The available CPUs for selection are divided into two groups + * Primary Set - A CPU mask that carries the First Choice CPUs + * Secondary Set - A CPU mask that carries the Second Choice CPUs. + * + * There are two types of Job, that needs to be assigned to + * the CPUs, from one of the above mentioned CPU group. The Jobs are + * 1) Rx Packet Processing - napi_cpu + * 2) Completion Processiong (Tx, RX) - compl_cpu + * + * To begin with both napi_cpu and compl_cpu are on CPU0. Whenever a CPU goes + * on-line/off-line the CPU candidacy algorithm is triggerd. The candidacy + * algo tries to pickup the first available non boot CPU (CPU0) for napi_cpu. + * If there are more processors free, it assigns one to compl_cpu. + * It also tries to ensure that both napi_cpu and compl_cpu are not on the same + * CPU, as much as possible. + * + * By design, both Tx and Rx completion jobs are run on the same CPU core, as it + * would allow Tx completion skb's to be released into a local free pool from + * which the rx buffer posts could have been serviced. it is important to note + * that a Tx packet may not have a large enough buffer for rx posting. + */ +void dhd_select_cpu_candidacy(dhd_info_t *dhd) +{ + uint32 primary_available_cpus; /* count of primary available cpus */ + uint32 secondary_available_cpus; /* count of secondary available cpus */ + uint32 napi_cpu = 0; /* cpu selected for napi rx processing */ + uint32 compl_cpu = 0; /* cpu selected for completion jobs */ + + cpumask_clear(dhd->cpumask_primary_new); + cpumask_clear(dhd->cpumask_secondary_new); + + /* + * Now select from the primary mask. Even if a Job is + * already running on a CPU in secondary group, we still move + * to primary CPU. So no conditional checks. + */ + cpumask_and(dhd->cpumask_primary_new, dhd->cpumask_primary, + dhd->cpumask_curr_avail); + + cpumask_and(dhd->cpumask_secondary_new, dhd->cpumask_secondary, + dhd->cpumask_curr_avail); + + primary_available_cpus = cpumask_weight(dhd->cpumask_primary_new); + + if (primary_available_cpus > 0) { + napi_cpu = cpumask_first(dhd->cpumask_primary_new); + + /* If no further CPU is available, + * cpumask_next returns >= nr_cpu_ids + */ + compl_cpu = cpumask_next(napi_cpu, dhd->cpumask_primary_new); + if (compl_cpu >= nr_cpu_ids) + compl_cpu = 0; + } + + DHD_INFO(("%s After primary CPU check napi_cpu %d compl_cpu %d\n", + __FUNCTION__, napi_cpu, compl_cpu)); + + /* -- Now check for the CPUs from the secondary mask -- */ + secondary_available_cpus = cpumask_weight(dhd->cpumask_secondary_new); + + DHD_INFO(("%s Available secondary cpus %d nr_cpu_ids %d\n", + __FUNCTION__, secondary_available_cpus, nr_cpu_ids)); + + if (secondary_available_cpus > 0) { + /* At this point if napi_cpu is unassigned it means no CPU + * is online from Primary Group + */ + if (napi_cpu == 0) { + napi_cpu = cpumask_first(dhd->cpumask_secondary_new); + compl_cpu = cpumask_next(napi_cpu, dhd->cpumask_secondary_new); + } else if (compl_cpu == 0) { + compl_cpu = cpumask_first(dhd->cpumask_secondary_new); + } + + /* If no CPU was available for completion, choose CPU 0 */ + if (compl_cpu >= nr_cpu_ids) + compl_cpu = 0; + } + if ((primary_available_cpus == 0) && + (secondary_available_cpus == 0)) { + /* No CPUs available from primary or secondary mask */ + napi_cpu = 0; + compl_cpu = 0; + } + + DHD_INFO(("%s After secondary CPU check napi_cpu %d compl_cpu %d\n", + __FUNCTION__, napi_cpu, compl_cpu)); + ASSERT(napi_cpu < nr_cpu_ids); + ASSERT(compl_cpu < nr_cpu_ids); + + atomic_set(&dhd->rx_napi_cpu, napi_cpu); + atomic_set(&dhd->tx_compl_cpu, compl_cpu); + atomic_set(&dhd->rx_compl_cpu, compl_cpu); + return; +} + +/* + * Function to handle CPU Hotplug notifications. + * One of the task it does is to trigger the CPU Candidacy algorithm + * for load balancing. + */ +int +dhd_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) +{ + unsigned int cpu = (unsigned int)(long)hcpu; + + dhd_info_t *dhd = container_of(nfb, dhd_info_t, cpu_notifier); + + switch (action) + { + case CPU_ONLINE: + DHD_LB_STATS_INCR(dhd->cpu_online_cnt[cpu]); + cpumask_set_cpu(cpu, dhd->cpumask_curr_avail); + dhd_select_cpu_candidacy(dhd); + break; + + case CPU_DOWN_PREPARE: + case CPU_DOWN_PREPARE_FROZEN: + DHD_LB_STATS_INCR(dhd->cpu_offline_cnt[cpu]); + cpumask_clear_cpu(cpu, dhd->cpumask_curr_avail); + dhd_select_cpu_candidacy(dhd); + break; + default: + break; + } + + return NOTIFY_OK; +} + +#if defined(DHD_LB_STATS) +void dhd_lb_stats_init(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd; + int i, j; + + if (dhdp == NULL) { + DHD_ERROR(("%s(): Invalid argument dhdp is NULL \n", + __FUNCTION__)); + return; + } + + dhd = dhdp->info; + if (dhd == NULL) { + DHD_ERROR(("%s(): DHD pointer is NULL \n", __FUNCTION__)); + return; + } + + DHD_LB_STATS_CLR(dhd->dhd_dpc_cnt); + DHD_LB_STATS_CLR(dhd->napi_sched_cnt); + DHD_LB_STATS_CLR(dhd->rxc_sched_cnt); + DHD_LB_STATS_CLR(dhd->txc_sched_cnt); + + for (i = 0; i < NR_CPUS; i++) { + DHD_LB_STATS_CLR(dhd->napi_percpu_run_cnt[i]); + DHD_LB_STATS_CLR(dhd->rxc_percpu_run_cnt[i]); + DHD_LB_STATS_CLR(dhd->txc_percpu_run_cnt[i]); + + DHD_LB_STATS_CLR(dhd->cpu_online_cnt[i]); + DHD_LB_STATS_CLR(dhd->cpu_offline_cnt[i]); + } + + for (i = 0; i < NR_CPUS; i++) { + for (j = 0; j < HIST_BIN_SIZE; j++) { + DHD_LB_STATS_CLR(dhd->napi_rx_hist[i][j]); + DHD_LB_STATS_CLR(dhd->txc_hist[i][j]); + DHD_LB_STATS_CLR(dhd->rxc_hist[i][j]); + } + } + + return; +} + +static void dhd_lb_stats_dump_histo( + struct bcmstrbuf *strbuf, uint32 (*hist)[HIST_BIN_SIZE]) +{ + int i, j; + uint32 per_cpu_total[NR_CPUS] = {0}; + uint32 total = 0; + + bcm_bprintf(strbuf, "CPU: \t\t"); + for (i = 0; i < num_possible_cpus(); i++) + bcm_bprintf(strbuf, "%d\t", i); + bcm_bprintf(strbuf, "\nBin\n"); + + for (i = 0; i < HIST_BIN_SIZE; i++) { + bcm_bprintf(strbuf, "%d:\t\t", 1<<(i+1)); + for (j = 0; j < num_possible_cpus(); j++) { + bcm_bprintf(strbuf, "%d\t", hist[j][i]); + } + bcm_bprintf(strbuf, "\n"); + } + bcm_bprintf(strbuf, "Per CPU Total \t"); + total = 0; + for (i = 0; i < num_possible_cpus(); i++) { + for (j = 0; j < HIST_BIN_SIZE; j++) { + per_cpu_total[i] += (hist[i][j] * (1<<(j+1))); + } + bcm_bprintf(strbuf, "%d\t", per_cpu_total[i]); + total += per_cpu_total[i]; + } + bcm_bprintf(strbuf, "\nTotal\t\t%d \n", total); + + return; +} + +static inline void dhd_lb_stats_dump_cpu_array(struct bcmstrbuf *strbuf, uint32 *p) +{ + int i; + + bcm_bprintf(strbuf, "CPU: \t"); + for (i = 0; i < num_possible_cpus(); i++) + bcm_bprintf(strbuf, "%d\t", i); + bcm_bprintf(strbuf, "\n"); + + bcm_bprintf(strbuf, "Val: \t"); + for (i = 0; i < num_possible_cpus(); i++) + bcm_bprintf(strbuf, "%u\t", *(p+i)); + bcm_bprintf(strbuf, "\n"); + return; +} + +void dhd_lb_stats_dump(dhd_pub_t *dhdp, struct bcmstrbuf *strbuf) +{ + dhd_info_t *dhd; + + if (dhdp == NULL || strbuf == NULL) { + DHD_ERROR(("%s(): Invalid argument dhdp %p strbuf %p \n", + __FUNCTION__, dhdp, strbuf)); + return; + } + + dhd = dhdp->info; + if (dhd == NULL) { + DHD_ERROR(("%s(): DHD pointer is NULL \n", __FUNCTION__)); + return; + } + + bcm_bprintf(strbuf, "\ncpu_online_cnt:\n"); + dhd_lb_stats_dump_cpu_array(strbuf, dhd->cpu_online_cnt); + + bcm_bprintf(strbuf, "cpu_offline_cnt:\n"); + dhd_lb_stats_dump_cpu_array(strbuf, dhd->cpu_offline_cnt); + + bcm_bprintf(strbuf, "\nsched_cnt: dhd_dpc %u napi %u rxc %u txc %u\n", + dhd->dhd_dpc_cnt, dhd->napi_sched_cnt, dhd->rxc_sched_cnt, + dhd->txc_sched_cnt); +#ifdef DHD_LB_RXP + bcm_bprintf(strbuf, "napi_percpu_run_cnt:\n"); + dhd_lb_stats_dump_cpu_array(strbuf, dhd->napi_percpu_run_cnt); + bcm_bprintf(strbuf, "\nNAPI Packets Received Histogram:\n"); + dhd_lb_stats_dump_histo(strbuf, dhd->napi_rx_hist); +#endif /* DHD_LB_RXP */ + +#ifdef DHD_LB_RXC + bcm_bprintf(strbuf, "rxc_percpu_run_cnt:\n"); + dhd_lb_stats_dump_cpu_array(strbuf, dhd->rxc_percpu_run_cnt); + bcm_bprintf(strbuf, "\nRX Completions (Buffer Post) Histogram:\n"); + dhd_lb_stats_dump_histo(strbuf, dhd->rxc_hist); +#endif /* DHD_LB_RXC */ + + +#ifdef DHD_LB_TXC + bcm_bprintf(strbuf, "txc_percpu_run_cnt:\n"); + dhd_lb_stats_dump_cpu_array(strbuf, dhd->txc_percpu_run_cnt); + bcm_bprintf(strbuf, "\nTX Completions (Buffer Free) Histogram:\n"); + dhd_lb_stats_dump_histo(strbuf, dhd->txc_hist); +#endif /* DHD_LB_TXC */ +} + +static void dhd_lb_stats_update_histo(uint32 *bin, uint32 count) +{ + uint32 bin_power; + uint32 *p = NULL; + + bin_power = next_larger_power2(count); + + switch (bin_power) { + case 0: break; + case 1: /* Fall through intentionally */ + case 2: p = bin + 0; break; + case 4: p = bin + 1; break; + case 8: p = bin + 2; break; + case 16: p = bin + 3; break; + case 32: p = bin + 4; break; + case 64: p = bin + 5; break; + case 128: p = bin + 6; break; + default : p = bin + 7; break; + } + if (p) + *p = *p + 1; + return; +} + +extern void dhd_lb_stats_update_napi_histo(dhd_pub_t *dhdp, uint32 count) +{ + int cpu; + dhd_info_t *dhd = dhdp->info; + + cpu = get_cpu(); + put_cpu(); + dhd_lb_stats_update_histo(&dhd->napi_rx_hist[cpu][0], count); + + return; +} + +extern void dhd_lb_stats_update_txc_histo(dhd_pub_t *dhdp, uint32 count) +{ + int cpu; + dhd_info_t *dhd = dhdp->info; + + cpu = get_cpu(); + put_cpu(); + dhd_lb_stats_update_histo(&dhd->txc_hist[cpu][0], count); + + return; +} + +extern void dhd_lb_stats_update_rxc_histo(dhd_pub_t *dhdp, uint32 count) +{ + int cpu; + dhd_info_t *dhd = dhdp->info; + + cpu = get_cpu(); + put_cpu(); + dhd_lb_stats_update_histo(&dhd->rxc_hist[cpu][0], count); + + return; +} + +extern void dhd_lb_stats_txc_percpu_cnt_incr(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd = dhdp->info; + DHD_LB_STATS_PERCPU_ARR_INCR(dhd->txc_percpu_run_cnt); +} + +extern void dhd_lb_stats_rxc_percpu_cnt_incr(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd = dhdp->info; + DHD_LB_STATS_PERCPU_ARR_INCR(dhd->rxc_percpu_run_cnt); +} + +#endif /* DHD_LB_STATS */ +#endif /* DHD_LB */ + + +#if defined(DISABLE_FRAMEBURST_VSDB) && defined(USE_WFA_CERT_CONF) +int g_frameburst = 1; +#endif /* DISABLE_FRAMEBURST_VSDB && USE_WFA_CERT_CONF */ + +static int dhd_get_pend_8021x_cnt(dhd_info_t *dhd); + +/* DHD Perimiter lock only used in router with bypass forwarding. */ +#define DHD_PERIM_RADIO_INIT() do { /* noop */ } while (0) +#define DHD_PERIM_LOCK_TRY(unit, flag) do { /* noop */ } while (0) +#define DHD_PERIM_UNLOCK_TRY(unit, flag) do { /* noop */ } while (0) + +#ifdef PCIE_FULL_DONGLE +#if defined(BCM_GMAC3) +#define DHD_IF_STA_LIST_LOCK_INIT(ifp) do { /* noop */ } while (0) +#define DHD_IF_STA_LIST_LOCK(ifp, flags) ({ BCM_REFERENCE(flags); }) +#define DHD_IF_STA_LIST_UNLOCK(ifp, flags) ({ BCM_REFERENCE(flags); }) + +#if defined(DHD_IGMP_UCQUERY) || defined(DHD_UCAST_UPNP) +#define DHD_IF_WMF_UCFORWARD_LOCK(dhd, ifp, slist) ({ BCM_REFERENCE(slist); &(ifp)->sta_list; }) +#define DHD_IF_WMF_UCFORWARD_UNLOCK(dhd, slist) ({ BCM_REFERENCE(slist); }) +#endif /* DHD_IGMP_UCQUERY || DHD_UCAST_UPNP */ + +#else /* ! BCM_GMAC3 */ +#define DHD_IF_STA_LIST_LOCK_INIT(ifp) spin_lock_init(&(ifp)->sta_list_lock) +#define DHD_IF_STA_LIST_LOCK(ifp, flags) \ + spin_lock_irqsave(&(ifp)->sta_list_lock, (flags)) +#define DHD_IF_STA_LIST_UNLOCK(ifp, flags) \ + spin_unlock_irqrestore(&(ifp)->sta_list_lock, (flags)) + +#if defined(DHD_IGMP_UCQUERY) || defined(DHD_UCAST_UPNP) +static struct list_head * dhd_sta_list_snapshot(dhd_info_t *dhd, dhd_if_t *ifp, + struct list_head *snapshot_list); +static void dhd_sta_list_snapshot_free(dhd_info_t *dhd, struct list_head *snapshot_list); +#define DHD_IF_WMF_UCFORWARD_LOCK(dhd, ifp, slist) ({ dhd_sta_list_snapshot(dhd, ifp, slist); }) +#define DHD_IF_WMF_UCFORWARD_UNLOCK(dhd, slist) ({ dhd_sta_list_snapshot_free(dhd, slist); }) +#endif /* DHD_IGMP_UCQUERY || DHD_UCAST_UPNP */ + +#endif /* ! BCM_GMAC3 */ +#endif /* PCIE_FULL_DONGLE */ + +/* Control fw roaming */ +uint dhd_roam_disable = 0; + +#ifdef BCMDBGFS +extern int dhd_dbg_init(dhd_pub_t *dhdp); +extern void dhd_dbg_remove(void); +#endif + +/* Control radio state */ +uint dhd_radio_up = 1; + +/* Network inteface name */ +char iface_name[IFNAMSIZ] = {'\0'}; +module_param_string(iface_name, iface_name, IFNAMSIZ, 0); + +/* The following are specific to the SDIO dongle */ + +/* IOCTL response timeout */ +int dhd_ioctl_timeout_msec = IOCTL_RESP_TIMEOUT; + +/* Idle timeout for backplane clock */ +int dhd_idletime = DHD_IDLETIME_TICKS; +module_param(dhd_idletime, int, 0); + +/* Use polling */ +uint dhd_poll = FALSE; +module_param(dhd_poll, uint, 0); + +/* Use interrupts */ +uint dhd_intr = TRUE; +module_param(dhd_intr, uint, 0); + +/* SDIO Drive Strength (in milliamps) */ +uint dhd_sdiod_drive_strength = 6; +module_param(dhd_sdiod_drive_strength, uint, 0); + +#ifdef BCMSDIO +/* Tx/Rx bounds */ +extern uint dhd_txbound; +extern uint dhd_rxbound; +module_param(dhd_txbound, uint, 0); +module_param(dhd_rxbound, uint, 0); + +/* Deferred transmits */ +extern uint dhd_deferred_tx; +module_param(dhd_deferred_tx, uint, 0); + +#endif /* BCMSDIO */ + + +#ifdef SDTEST +/* Echo packet generator (pkts/s) */ +uint dhd_pktgen = 0; +module_param(dhd_pktgen, uint, 0); + +/* Echo packet len (0 => sawtooth, max 2040) */ +uint dhd_pktgen_len = 0; +module_param(dhd_pktgen_len, uint, 0); +#endif /* SDTEST */ + + + +/* Allow delayed firmware download for debug purpose */ +int allow_delay_fwdl = FALSE; +module_param(allow_delay_fwdl, int, 0); + +extern char dhd_version[]; +extern char fw_version[]; +extern char clm_version[]; + +int dhd_net_bus_devreset(struct net_device *dev, uint8 flag); +static void dhd_net_if_lock_local(dhd_info_t *dhd); +static void dhd_net_if_unlock_local(dhd_info_t *dhd); +static void dhd_suspend_lock(dhd_pub_t *dhdp); +static void dhd_suspend_unlock(dhd_pub_t *dhdp); + +#ifdef WLMEDIA_HTSF +void htsf_update(dhd_info_t *dhd, void *data); +tsf_t prev_tsf, cur_tsf; + +uint32 dhd_get_htsf(dhd_info_t *dhd, int ifidx); +static int dhd_ioctl_htsf_get(dhd_info_t *dhd, int ifidx); +static void dhd_dump_latency(void); +static void dhd_htsf_addtxts(dhd_pub_t *dhdp, void *pktbuf); +static void dhd_htsf_addrxts(dhd_pub_t *dhdp, void *pktbuf); +static void dhd_dump_htsfhisto(histo_t *his, char *s); +#endif /* WLMEDIA_HTSF */ + +/* Monitor interface */ +int dhd_monitor_init(void *dhd_pub); +int dhd_monitor_uninit(void); + + +#if defined(WL_WIRELESS_EXT) +struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev); +#endif /* defined(WL_WIRELESS_EXT) */ + +static void dhd_dpc(ulong data); +/* forward decl */ +extern int dhd_wait_pend8021x(struct net_device *dev); +void dhd_os_wd_timer_extend(void *bus, bool extend); + +#ifdef TOE +#ifndef BDC +#error TOE requires BDC +#endif /* !BDC */ +static int dhd_toe_get(dhd_info_t *dhd, int idx, uint32 *toe_ol); +static int dhd_toe_set(dhd_info_t *dhd, int idx, uint32 toe_ol); +#endif /* TOE */ + +static int dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, size_t pktlen, + wl_event_msg_t *event_ptr, void **data_ptr); + +#if defined(CONFIG_PM_SLEEP) +static int dhd_pm_callback(struct notifier_block *nfb, unsigned long action, void *ignored) +{ + int ret = NOTIFY_DONE; + bool suspend = FALSE; + dhd_info_t *dhdinfo = (dhd_info_t*)container_of(nfb, struct dhd_info, pm_notifier); + + BCM_REFERENCE(dhdinfo); + BCM_REFERENCE(suspend); + + switch (action) { + case PM_HIBERNATION_PREPARE: + case PM_SUSPEND_PREPARE: + suspend = TRUE; + break; + + case PM_POST_HIBERNATION: + case PM_POST_SUSPEND: + suspend = FALSE; + break; + } + +#if defined(SUPPORT_P2P_GO_PS) && defined(PROP_TXSTATUS) + if (suspend) { + DHD_OS_WAKE_LOCK_WAIVE(&dhdinfo->pub); + dhd_wlfc_suspend(&dhdinfo->pub); + DHD_OS_WAKE_LOCK_RESTORE(&dhdinfo->pub); + } else { + dhd_wlfc_resume(&dhdinfo->pub); + } +#endif /* defined(SUPPORT_P2P_GO_PS) && defined(PROP_TXSTATUS) */ + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && (LINUX_VERSION_CODE <= \ + KERNEL_VERSION(2, 6, 39)) + dhd_mmc_suspend = suspend; + smp_mb(); +#endif + + return ret; +} + +/* to make sure we won't register the same notifier twice, otherwise a loop is likely to be + * created in kernel notifier link list (with 'next' pointing to itself) + */ +static bool dhd_pm_notifier_registered = FALSE; + +extern int register_pm_notifier(struct notifier_block *nb); +extern int unregister_pm_notifier(struct notifier_block *nb); +#endif /* CONFIG_PM_SLEEP */ + +/* Request scheduling of the bus rx frame */ +static void dhd_sched_rxf(dhd_pub_t *dhdp, void *skb); +static void dhd_os_rxflock(dhd_pub_t *pub); +static void dhd_os_rxfunlock(dhd_pub_t *pub); + +/** priv_link is the link between netdev and the dhdif and dhd_info structs. */ +typedef struct dhd_dev_priv { + dhd_info_t * dhd; /* cached pointer to dhd_info in netdevice priv */ + dhd_if_t * ifp; /* cached pointer to dhd_if in netdevice priv */ + int ifidx; /* interface index */ +} dhd_dev_priv_t; + +#define DHD_DEV_PRIV_SIZE (sizeof(dhd_dev_priv_t)) +#define DHD_DEV_PRIV(dev) ((dhd_dev_priv_t *)DEV_PRIV(dev)) +#define DHD_DEV_INFO(dev) (((dhd_dev_priv_t *)DEV_PRIV(dev))->dhd) +#define DHD_DEV_IFP(dev) (((dhd_dev_priv_t *)DEV_PRIV(dev))->ifp) +#define DHD_DEV_IFIDX(dev) (((dhd_dev_priv_t *)DEV_PRIV(dev))->ifidx) + +/** Clear the dhd net_device's private structure. */ +static inline void +dhd_dev_priv_clear(struct net_device * dev) +{ + dhd_dev_priv_t * dev_priv; + ASSERT(dev != (struct net_device *)NULL); + dev_priv = DHD_DEV_PRIV(dev); + dev_priv->dhd = (dhd_info_t *)NULL; + dev_priv->ifp = (dhd_if_t *)NULL; + dev_priv->ifidx = DHD_BAD_IF; +} + +/** Setup the dhd net_device's private structure. */ +static inline void +dhd_dev_priv_save(struct net_device * dev, dhd_info_t * dhd, dhd_if_t * ifp, + int ifidx) +{ + dhd_dev_priv_t * dev_priv; + ASSERT(dev != (struct net_device *)NULL); + dev_priv = DHD_DEV_PRIV(dev); + dev_priv->dhd = dhd; + dev_priv->ifp = ifp; + dev_priv->ifidx = ifidx; +} + +#ifdef PCIE_FULL_DONGLE + +/** Dummy objects are defined with state representing bad|down. + * Performance gains from reducing branch conditionals, instruction parallelism, + * dual issue, reducing load shadows, avail of larger pipelines. + * Use DHD_XXX_NULL instead of (dhd_xxx_t *)NULL, whenever an object pointer + * is accessed via the dhd_sta_t. + */ + +/* Dummy dhd_info object */ +dhd_info_t dhd_info_null = { +#if defined(BCM_GMAC3) + .fwdh = FWDER_NULL, +#endif + .pub = { + .info = &dhd_info_null, +#ifdef DHDTCPACK_SUPPRESS + .tcpack_sup_mode = TCPACK_SUP_REPLACE, +#endif /* DHDTCPACK_SUPPRESS */ + .up = FALSE, + .busstate = DHD_BUS_DOWN + } +}; +#define DHD_INFO_NULL (&dhd_info_null) +#define DHD_PUB_NULL (&dhd_info_null.pub) + +/* Dummy netdevice object */ +struct net_device dhd_net_dev_null = { + .reg_state = NETREG_UNREGISTERED +}; +#define DHD_NET_DEV_NULL (&dhd_net_dev_null) + +/* Dummy dhd_if object */ +dhd_if_t dhd_if_null = { +#if defined(BCM_GMAC3) + .fwdh = FWDER_NULL, +#endif +#ifdef WMF + .wmf = { .wmf_enable = TRUE }, +#endif + .info = DHD_INFO_NULL, + .net = DHD_NET_DEV_NULL, + .idx = DHD_BAD_IF +}; +#define DHD_IF_NULL (&dhd_if_null) + +#define DHD_STA_NULL ((dhd_sta_t *)NULL) + +/** Interface STA list management. */ + +/** Fetch the dhd_if object, given the interface index in the dhd. */ +static inline dhd_if_t *dhd_get_ifp(dhd_pub_t *dhdp, uint32 ifidx); + +/** Alloc/Free a dhd_sta object from the dhd instances' sta_pool. */ +static void dhd_sta_free(dhd_pub_t *pub, dhd_sta_t *sta); +static dhd_sta_t * dhd_sta_alloc(dhd_pub_t * dhdp); + +/* Delete a dhd_sta or flush all dhd_sta in an interface's sta_list. */ +static void dhd_if_del_sta_list(dhd_if_t * ifp); +static void dhd_if_flush_sta(dhd_if_t * ifp); + +/* Construct/Destruct a sta pool. */ +static int dhd_sta_pool_init(dhd_pub_t *dhdp, int max_sta); +static void dhd_sta_pool_fini(dhd_pub_t *dhdp, int max_sta); +/* Clear the pool of dhd_sta_t objects for built-in type driver */ +static void dhd_sta_pool_clear(dhd_pub_t *dhdp, int max_sta); + + +/* Return interface pointer */ +static inline dhd_if_t *dhd_get_ifp(dhd_pub_t *dhdp, uint32 ifidx) +{ + ASSERT(ifidx < DHD_MAX_IFS); + + if (ifidx >= DHD_MAX_IFS) + return NULL; + + return dhdp->info->iflist[ifidx]; +} + +/** Reset a dhd_sta object and free into the dhd pool. */ +static void +dhd_sta_free(dhd_pub_t * dhdp, dhd_sta_t * sta) +{ + int prio; + + ASSERT((sta != DHD_STA_NULL) && (sta->idx != ID16_INVALID)); + + ASSERT((dhdp->staid_allocator != NULL) && (dhdp->sta_pool != NULL)); + + /* + * Flush and free all packets in all flowring's queues belonging to sta. + * Packets in flow ring will be flushed later. + */ + for (prio = 0; prio < (int)NUMPRIO; prio++) { + uint16 flowid = sta->flowid[prio]; + + if (flowid != FLOWID_INVALID) { + unsigned long flags; + flow_queue_t * queue = dhd_flow_queue(dhdp, flowid); + flow_ring_node_t * flow_ring_node; + +#ifdef DHDTCPACK_SUPPRESS + /* Clean tcp_ack_info_tbl in order to prevent access to flushed pkt, + * when there is a newly coming packet from network stack. + */ + dhd_tcpack_info_tbl_clean(dhdp); +#endif /* DHDTCPACK_SUPPRESS */ + + flow_ring_node = dhd_flow_ring_node(dhdp, flowid); + DHD_FLOWRING_LOCK(flow_ring_node->lock, flags); + flow_ring_node->status = FLOW_RING_STATUS_STA_FREEING; + + if (!DHD_FLOW_QUEUE_EMPTY(queue)) { + void * pkt; + while ((pkt = dhd_flow_queue_dequeue(dhdp, queue)) != NULL) { + PKTFREE(dhdp->osh, pkt, TRUE); + } + } + + DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags); + ASSERT(DHD_FLOW_QUEUE_EMPTY(queue)); + } + + sta->flowid[prio] = FLOWID_INVALID; + } + + id16_map_free(dhdp->staid_allocator, sta->idx); + DHD_CUMM_CTR_INIT(&sta->cumm_ctr); + sta->ifp = DHD_IF_NULL; /* dummy dhd_if object */ + sta->ifidx = DHD_BAD_IF; + bzero(sta->ea.octet, ETHER_ADDR_LEN); + INIT_LIST_HEAD(&sta->list); + sta->idx = ID16_INVALID; /* implying free */ +} + +/** Allocate a dhd_sta object from the dhd pool. */ +static dhd_sta_t * +dhd_sta_alloc(dhd_pub_t * dhdp) +{ + uint16 idx; + dhd_sta_t * sta; + dhd_sta_pool_t * sta_pool; + + ASSERT((dhdp->staid_allocator != NULL) && (dhdp->sta_pool != NULL)); + + idx = id16_map_alloc(dhdp->staid_allocator); + if (idx == ID16_INVALID) { + DHD_ERROR(("%s: cannot get free staid\n", __FUNCTION__)); + return DHD_STA_NULL; + } + + sta_pool = (dhd_sta_pool_t *)(dhdp->sta_pool); + sta = &sta_pool[idx]; + + ASSERT((sta->idx == ID16_INVALID) && + (sta->ifp == DHD_IF_NULL) && (sta->ifidx == DHD_BAD_IF)); + + DHD_CUMM_CTR_INIT(&sta->cumm_ctr); + + sta->idx = idx; /* implying allocated */ + + return sta; +} + +/** Delete all STAs in an interface's STA list. */ +static void +dhd_if_del_sta_list(dhd_if_t *ifp) +{ + dhd_sta_t *sta, *next; + unsigned long flags; + + DHD_IF_STA_LIST_LOCK(ifp, flags); + + list_for_each_entry_safe(sta, next, &ifp->sta_list, list) { +#if defined(BCM_GMAC3) + if (ifp->fwdh) { + /* Remove sta from WOFA forwarder. */ + fwder_deassoc(ifp->fwdh, (uint16 *)(sta->ea.octet), (wofa_t)sta); + } +#endif /* BCM_GMAC3 */ + list_del(&sta->list); + dhd_sta_free(&ifp->info->pub, sta); + } + + DHD_IF_STA_LIST_UNLOCK(ifp, flags); + + return; +} + +/** Router/GMAC3: Flush all station entries in the forwarder's WOFA database. */ +static void +dhd_if_flush_sta(dhd_if_t * ifp) +{ +#if defined(BCM_GMAC3) + + if (ifp && (ifp->fwdh != FWDER_NULL)) { + dhd_sta_t *sta, *next; + unsigned long flags; + + DHD_IF_STA_LIST_LOCK(ifp, flags); + + list_for_each_entry_safe(sta, next, &ifp->sta_list, list) { + /* Remove any sta entry from WOFA forwarder. */ + fwder_flush(ifp->fwdh, (wofa_t)sta); + } + + DHD_IF_STA_LIST_UNLOCK(ifp, flags); + } +#endif /* BCM_GMAC3 */ +} + +/** Construct a pool of dhd_sta_t objects to be used by interfaces. */ +static int +dhd_sta_pool_init(dhd_pub_t *dhdp, int max_sta) +{ + int idx, prio, sta_pool_memsz; + dhd_sta_t * sta; + dhd_sta_pool_t * sta_pool; + void * staid_allocator; + + ASSERT(dhdp != (dhd_pub_t *)NULL); + ASSERT((dhdp->staid_allocator == NULL) && (dhdp->sta_pool == NULL)); + + /* dhd_sta objects per radio are managed in a table. id#0 reserved. */ + staid_allocator = id16_map_init(dhdp->osh, max_sta, 1); + if (staid_allocator == NULL) { + DHD_ERROR(("%s: sta id allocator init failure\n", __FUNCTION__)); + return BCME_ERROR; + } + + /* Pre allocate a pool of dhd_sta objects (one extra). */ + sta_pool_memsz = ((max_sta + 1) * sizeof(dhd_sta_t)); /* skip idx 0 */ + sta_pool = (dhd_sta_pool_t *)MALLOC(dhdp->osh, sta_pool_memsz); + if (sta_pool == NULL) { + DHD_ERROR(("%s: sta table alloc failure\n", __FUNCTION__)); + id16_map_fini(dhdp->osh, staid_allocator); + return BCME_ERROR; + } + + dhdp->sta_pool = sta_pool; + dhdp->staid_allocator = staid_allocator; + + /* Initialize all sta(s) for the pre-allocated free pool. */ + bzero((uchar *)sta_pool, sta_pool_memsz); + for (idx = max_sta; idx >= 1; idx--) { /* skip sta_pool[0] */ + sta = &sta_pool[idx]; + sta->idx = id16_map_alloc(staid_allocator); + ASSERT(sta->idx <= max_sta); + } + /* Now place them into the pre-allocated free pool. */ + for (idx = 1; idx <= max_sta; idx++) { + sta = &sta_pool[idx]; + for (prio = 0; prio < (int)NUMPRIO; prio++) { + sta->flowid[prio] = FLOWID_INVALID; /* Flow rings do not exist */ + } + dhd_sta_free(dhdp, sta); + } + + return BCME_OK; +} + +/** Destruct the pool of dhd_sta_t objects. + * Caller must ensure that no STA objects are currently associated with an if. + */ +static void +dhd_sta_pool_fini(dhd_pub_t *dhdp, int max_sta) +{ + dhd_sta_pool_t * sta_pool = (dhd_sta_pool_t *)dhdp->sta_pool; + + if (sta_pool) { + int idx; + int sta_pool_memsz = ((max_sta + 1) * sizeof(dhd_sta_t)); + for (idx = 1; idx <= max_sta; idx++) { + ASSERT(sta_pool[idx].ifp == DHD_IF_NULL); + ASSERT(sta_pool[idx].idx == ID16_INVALID); + } + MFREE(dhdp->osh, dhdp->sta_pool, sta_pool_memsz); + dhdp->sta_pool = NULL; + } + + id16_map_fini(dhdp->osh, dhdp->staid_allocator); + dhdp->staid_allocator = NULL; +} + +/* Clear the pool of dhd_sta_t objects for built-in type driver */ +static void +dhd_sta_pool_clear(dhd_pub_t *dhdp, int max_sta) +{ + int idx, prio, sta_pool_memsz; + dhd_sta_t * sta; + dhd_sta_pool_t * sta_pool; + void *staid_allocator; + + if (!dhdp) { + DHD_ERROR(("%s: dhdp is NULL\n", __FUNCTION__)); + return; + } + + sta_pool = (dhd_sta_pool_t *)dhdp->sta_pool; + staid_allocator = dhdp->staid_allocator; + + if (!sta_pool) { + DHD_ERROR(("%s: sta_pool is NULL\n", __FUNCTION__)); + return; + } + + if (!staid_allocator) { + DHD_ERROR(("%s: staid_allocator is NULL\n", __FUNCTION__)); + return; + } + + /* clear free pool */ + sta_pool_memsz = ((max_sta + 1) * sizeof(dhd_sta_t)); + bzero((uchar *)sta_pool, sta_pool_memsz); + + /* dhd_sta objects per radio are managed in a table. id#0 reserved. */ + id16_map_clear(staid_allocator, max_sta, 1); + + /* Initialize all sta(s) for the pre-allocated free pool. */ + for (idx = max_sta; idx >= 1; idx--) { /* skip sta_pool[0] */ + sta = &sta_pool[idx]; + sta->idx = id16_map_alloc(staid_allocator); + ASSERT(sta->idx <= max_sta); + } + /* Now place them into the pre-allocated free pool. */ + for (idx = 1; idx <= max_sta; idx++) { + sta = &sta_pool[idx]; + for (prio = 0; prio < (int)NUMPRIO; prio++) { + sta->flowid[prio] = FLOWID_INVALID; /* Flow rings do not exist */ + } + dhd_sta_free(dhdp, sta); + } +} + +/** Find STA with MAC address ea in an interface's STA list. */ +dhd_sta_t * +dhd_find_sta(void *pub, int ifidx, void *ea) +{ + dhd_sta_t *sta; + dhd_if_t *ifp; + unsigned long flags; + + ASSERT(ea != NULL); + ifp = dhd_get_ifp((dhd_pub_t *)pub, ifidx); + if (ifp == NULL) + return DHD_STA_NULL; + + DHD_IF_STA_LIST_LOCK(ifp, flags); + + list_for_each_entry(sta, &ifp->sta_list, list) { + if (!memcmp(sta->ea.octet, ea, ETHER_ADDR_LEN)) { + DHD_IF_STA_LIST_UNLOCK(ifp, flags); + return sta; + } + } + + DHD_IF_STA_LIST_UNLOCK(ifp, flags); + + return DHD_STA_NULL; +} + +/** Add STA into the interface's STA list. */ +dhd_sta_t * +dhd_add_sta(void *pub, int ifidx, void *ea) +{ + dhd_sta_t *sta; + dhd_if_t *ifp; + unsigned long flags; + + ASSERT(ea != NULL); + ifp = dhd_get_ifp((dhd_pub_t *)pub, ifidx); + if (ifp == NULL) + return DHD_STA_NULL; + + sta = dhd_sta_alloc((dhd_pub_t *)pub); + if (sta == DHD_STA_NULL) { + DHD_ERROR(("%s: Alloc failed\n", __FUNCTION__)); + return DHD_STA_NULL; + } + + memcpy(sta->ea.octet, ea, ETHER_ADDR_LEN); + + /* link the sta and the dhd interface */ + sta->ifp = ifp; + sta->ifidx = ifidx; + INIT_LIST_HEAD(&sta->list); + + DHD_IF_STA_LIST_LOCK(ifp, flags); + + list_add_tail(&sta->list, &ifp->sta_list); + +#if defined(BCM_GMAC3) + if (ifp->fwdh) { + ASSERT(ISALIGNED(ea, 2)); + /* Add sta to WOFA forwarder. */ + fwder_reassoc(ifp->fwdh, (uint16 *)ea, (wofa_t)sta); + } +#endif /* BCM_GMAC3 */ + + DHD_IF_STA_LIST_UNLOCK(ifp, flags); + + return sta; +} + +/** Delete STA from the interface's STA list. */ +void +dhd_del_sta(void *pub, int ifidx, void *ea) +{ + dhd_sta_t *sta, *next; + dhd_if_t *ifp; + unsigned long flags; + + ASSERT(ea != NULL); + ifp = dhd_get_ifp((dhd_pub_t *)pub, ifidx); + if (ifp == NULL) + return; + + DHD_IF_STA_LIST_LOCK(ifp, flags); + + list_for_each_entry_safe(sta, next, &ifp->sta_list, list) { + if (!memcmp(sta->ea.octet, ea, ETHER_ADDR_LEN)) { +#if defined(BCM_GMAC3) + if (ifp->fwdh) { /* Found a sta, remove from WOFA forwarder. */ + ASSERT(ISALIGNED(ea, 2)); + fwder_deassoc(ifp->fwdh, (uint16 *)ea, (wofa_t)sta); + } +#endif /* BCM_GMAC3 */ + list_del(&sta->list); + dhd_sta_free(&ifp->info->pub, sta); + } + } + + DHD_IF_STA_LIST_UNLOCK(ifp, flags); +#ifdef DHD_L2_FILTER + if (ifp->parp_enable) { + /* clear Proxy ARP cache of specific Ethernet Address */ + bcm_l2_filter_arp_table_update(((dhd_pub_t*)pub)->osh, ifp->phnd_arp_table, FALSE, + ea, FALSE, ((dhd_pub_t*)pub)->tickcnt); + } +#endif /* DHD_L2_FILTER */ + return; +} + +/** Add STA if it doesn't exist. Not reentrant. */ +dhd_sta_t* +dhd_findadd_sta(void *pub, int ifidx, void *ea) +{ + dhd_sta_t *sta; + + sta = dhd_find_sta(pub, ifidx, ea); + + if (!sta) { + /* Add entry */ + sta = dhd_add_sta(pub, ifidx, ea); + } + + return sta; +} + +#if defined(DHD_IGMP_UCQUERY) || defined(DHD_UCAST_UPNP) +#if !defined(BCM_GMAC3) +static struct list_head * +dhd_sta_list_snapshot(dhd_info_t *dhd, dhd_if_t *ifp, struct list_head *snapshot_list) +{ + unsigned long flags; + dhd_sta_t *sta, *snapshot; + + INIT_LIST_HEAD(snapshot_list); + + DHD_IF_STA_LIST_LOCK(ifp, flags); + + list_for_each_entry(sta, &ifp->sta_list, list) { + /* allocate one and add to snapshot */ + snapshot = (dhd_sta_t *)MALLOC(dhd->pub.osh, sizeof(dhd_sta_t)); + if (snapshot == NULL) { + DHD_ERROR(("%s: Cannot allocate memory\n", __FUNCTION__)); + continue; + } + + memcpy(snapshot->ea.octet, sta->ea.octet, ETHER_ADDR_LEN); + + INIT_LIST_HEAD(&snapshot->list); + list_add_tail(&snapshot->list, snapshot_list); + } + + DHD_IF_STA_LIST_UNLOCK(ifp, flags); + + return snapshot_list; +} + +static void +dhd_sta_list_snapshot_free(dhd_info_t *dhd, struct list_head *snapshot_list) +{ + dhd_sta_t *sta, *next; + + list_for_each_entry_safe(sta, next, snapshot_list, list) { + list_del(&sta->list); + MFREE(dhd->pub.osh, sta, sizeof(dhd_sta_t)); + } +} +#endif /* !BCM_GMAC3 */ +#endif /* DHD_IGMP_UCQUERY || DHD_UCAST_UPNP */ + +#else +static inline void dhd_if_flush_sta(dhd_if_t * ifp) { } +static inline void dhd_if_del_sta_list(dhd_if_t *ifp) {} +static inline int dhd_sta_pool_init(dhd_pub_t *dhdp, int max_sta) { return BCME_OK; } +static inline void dhd_sta_pool_fini(dhd_pub_t *dhdp, int max_sta) {} +static inline void dhd_sta_pool_clear(dhd_pub_t *dhdp, int max_sta) {} +dhd_sta_t *dhd_findadd_sta(void *pub, int ifidx, void *ea) { return NULL; } +void dhd_del_sta(void *pub, int ifidx, void *ea) {} +#endif /* PCIE_FULL_DONGLE */ + + +#if defined(DHD_LB) + +#if defined(DHD_LB_TXC) || defined(DHD_LB_RXC) +/** + * dhd_tasklet_schedule - Function that runs in IPI context of the destination + * CPU and schedules a tasklet. + * @tasklet: opaque pointer to the tasklet + */ +static INLINE void +dhd_tasklet_schedule(void *tasklet) +{ + tasklet_schedule((struct tasklet_struct *)tasklet); +} + +/** + * dhd_tasklet_schedule_on - Executes the passed takslet in a given CPU + * @tasklet: tasklet to be scheduled + * @on_cpu: cpu core id + * + * If the requested cpu is online, then an IPI is sent to this cpu via the + * smp_call_function_single with no wait and the tasklet_schedule function + * will be invoked to schedule the specified tasklet on the requested CPU. + */ +static void +dhd_tasklet_schedule_on(struct tasklet_struct *tasklet, int on_cpu) +{ + const int wait = 0; + smp_call_function_single(on_cpu, + dhd_tasklet_schedule, (void *)tasklet, wait); +} +#endif /* DHD_LB_TXC || DHD_LB_RXC */ + + +#if defined(DHD_LB_TXC) +/** + * dhd_lb_tx_compl_dispatch - load balance by dispatching the tx_compl_tasklet + * on another cpu. The tx_compl_tasklet will take care of DMA unmapping and + * freeing the packets placed in the tx_compl workq + */ +void +dhd_lb_tx_compl_dispatch(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd = dhdp->info; + int curr_cpu, on_cpu; + + if (dhd->rx_napi_netdev == NULL) { + DHD_ERROR(("%s: dhd->rx_napi_netdev is NULL\n", __FUNCTION__)); + return; + } + + DHD_LB_STATS_INCR(dhd->txc_sched_cnt); + /* + * If the destination CPU is NOT online or is same as current CPU + * no need to schedule the work + */ + curr_cpu = get_cpu(); + put_cpu(); + + on_cpu = atomic_read(&dhd->tx_compl_cpu); + + if ((on_cpu == curr_cpu) || (!cpu_online(on_cpu))) { + dhd_tasklet_schedule(&dhd->tx_compl_tasklet); + } else { + schedule_work(&dhd->tx_compl_dispatcher_work); + } +} + +static void dhd_tx_compl_dispatcher_fn(struct work_struct * work) +{ + struct dhd_info *dhd = + container_of(work, struct dhd_info, tx_compl_dispatcher_work); + int cpu; + + get_online_cpus(); + cpu = atomic_read(&dhd->tx_compl_cpu); + if (!cpu_online(cpu)) + dhd_tasklet_schedule(&dhd->tx_compl_tasklet); + else + dhd_tasklet_schedule_on(&dhd->tx_compl_tasklet, cpu); + put_online_cpus(); +} + +#endif /* DHD_LB_TXC */ + + +#if defined(DHD_LB_RXC) +/** + * dhd_lb_rx_compl_dispatch - load balance by dispatching the rx_compl_tasklet + * on another cpu. The rx_compl_tasklet will take care of reposting rx buffers + * in the H2D RxBuffer Post common ring, by using the recycled pktids that were + * placed in the rx_compl workq. + * + * @dhdp: pointer to dhd_pub object + */ +void +dhd_lb_rx_compl_dispatch(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd = dhdp->info; + int curr_cpu, on_cpu; + + if (dhd->rx_napi_netdev == NULL) { + DHD_ERROR(("%s: dhd->rx_napi_netdev is NULL\n", __FUNCTION__)); + return; + } + + DHD_LB_STATS_INCR(dhd->rxc_sched_cnt); + /* + * If the destination CPU is NOT online or is same as current CPU + * no need to schedule the work + */ + curr_cpu = get_cpu(); + put_cpu(); + + on_cpu = atomic_read(&dhd->rx_compl_cpu); + + if ((on_cpu == curr_cpu) || (!cpu_online(on_cpu))) { + dhd_tasklet_schedule(&dhd->rx_compl_tasklet); + } else { + schedule_work(&dhd->rx_compl_dispatcher_work); + } +} + +static void dhd_rx_compl_dispatcher_fn(struct work_struct * work) +{ + struct dhd_info *dhd = + container_of(work, struct dhd_info, rx_compl_dispatcher_work); + int cpu; + + get_online_cpus(); + cpu = atomic_read(&dhd->tx_compl_cpu); + if (!cpu_online(cpu)) + dhd_tasklet_schedule(&dhd->rx_compl_tasklet); + else + dhd_tasklet_schedule_on(&dhd->rx_compl_tasklet, cpu); + put_online_cpus(); +} + +#endif /* DHD_LB_RXC */ + + +#if defined(DHD_LB_RXP) +/** + * dhd_napi_poll - Load balance napi poll function to process received + * packets and send up the network stack using netif_receive_skb() + * + * @napi: napi object in which context this poll function is invoked + * @budget: number of packets to be processed. + * + * Fetch the dhd_info given the rx_napi_struct. Move all packets from the + * rx_napi_queue into a local rx_process_queue (lock and queue move and unlock). + * Dequeue each packet from head of rx_process_queue, fetch the ifid from the + * packet tag and sendup. + */ +static int +dhd_napi_poll(struct napi_struct *napi, int budget) +{ + int ifid; + const int pkt_count = 1; + const int chan = 0; + struct sk_buff * skb; + unsigned long flags; + struct dhd_info *dhd; + int processed = 0; + struct sk_buff_head rx_process_queue; + + dhd = container_of(napi, struct dhd_info, rx_napi_struct); + DHD_INFO(("%s napi_queue<%d> budget<%d>\n", + __FUNCTION__, skb_queue_len(&dhd->rx_napi_queue), budget)); + + __skb_queue_head_init(&rx_process_queue); + + /* extract the entire rx_napi_queue into local rx_process_queue */ + spin_lock_irqsave(&dhd->rx_napi_queue.lock, flags); + skb_queue_splice_tail_init(&dhd->rx_napi_queue, &rx_process_queue); + spin_unlock_irqrestore(&dhd->rx_napi_queue.lock, flags); + + while ((skb = __skb_dequeue(&rx_process_queue)) != NULL) { + OSL_PREFETCH(skb->data); + + ifid = DHD_PKTTAG_IFID((dhd_pkttag_fr_t *)PKTTAG(skb)); + + DHD_INFO(("%s dhd_rx_frame pkt<%p> ifid<%d>\n", + __FUNCTION__, skb, ifid)); + + dhd_rx_frame(&dhd->pub, ifid, skb, pkt_count, chan); + processed++; + } + + DHD_LB_STATS_UPDATE_NAPI_HISTO(&dhd->pub, processed); + + DHD_INFO(("%s processed %d\n", __FUNCTION__, processed)); + napi_complete(napi); + + return budget - 1; +} + +/** + * dhd_napi_schedule - Place the napi struct into the current cpus softnet napi + * poll list. This function may be invoked via the smp_call_function_single + * from a remote CPU. + * + * This function will essentially invoke __raise_softirq_irqoff(NET_RX_SOFTIRQ) + * after the napi_struct is added to the softnet data's poll_list + * + * @info: pointer to a dhd_info struct + */ +static void +dhd_napi_schedule(void *info) +{ + dhd_info_t *dhd = (dhd_info_t *)info; + + DHD_INFO(("%s rx_napi_struct<%p> on cpu<%d>\n", + __FUNCTION__, &dhd->rx_napi_struct, atomic_read(&dhd->rx_napi_cpu))); + + /* add napi_struct to softnet data poll list and raise NET_RX_SOFTIRQ */ + if (napi_schedule_prep(&dhd->rx_napi_struct)) { + __napi_schedule(&dhd->rx_napi_struct); + DHD_LB_STATS_PERCPU_ARR_INCR(dhd->napi_percpu_run_cnt); + } + + /* + * If the rx_napi_struct was already running, then we let it complete + * processing all its packets. The rx_napi_struct may only run on one + * core at a time, to avoid out-of-order handling. + */ +} + +/** + * dhd_napi_schedule_on - API to schedule on a desired CPU core a NET_RX_SOFTIRQ + * action after placing the dhd's rx_process napi object in the the remote CPU's + * softnet data's poll_list. + * + * @dhd: dhd_info which has the rx_process napi object + * @on_cpu: desired remote CPU id + */ +static INLINE int +dhd_napi_schedule_on(dhd_info_t *dhd, int on_cpu) +{ + int wait = 0; /* asynchronous IPI */ + + DHD_INFO(("%s dhd<%p> napi<%p> on_cpu<%d>\n", + __FUNCTION__, dhd, &dhd->rx_napi_struct, on_cpu)); + + if (smp_call_function_single(on_cpu, dhd_napi_schedule, dhd, wait)) { + DHD_ERROR(("%s smp_call_function_single on_cpu<%d> failed\n", + __FUNCTION__, on_cpu)); + } + + DHD_LB_STATS_INCR(dhd->napi_sched_cnt); + + return 0; +} + +/* + * Call get_online_cpus/put_online_cpus around dhd_napi_schedule_on + * Why should we do this? + * The candidacy algorithm is run from the call back function + * registered to CPU hotplug notifier. This call back happens from Worker + * context. The dhd_napi_schedule_on is also from worker context. + * Note that both of this can run on two different CPUs at the same time. + * So we can possibly have a window where a given CPUn is being brought + * down from CPUm while we try to run a function on CPUn. + * To prevent this its better have the whole code to execute an SMP + * function under get_online_cpus. + * This function call ensures that hotplug mechanism does not kick-in + * until we are done dealing with online CPUs + * If the hotplug worker is already running, no worries because the + * candidacy algo would then reflect the same in dhd->rx_napi_cpu. + * + * The below mentioned code structure is proposed in + * https://www.kernel.org/doc/Documentation/cpu-hotplug.txt + * for the question + * Q: I need to ensure that a particular cpu is not removed when there is some + * work specific to this cpu is in progress + * + * According to the documentation calling get_online_cpus is NOT required, if + * we are running from tasklet context. Since dhd_rx_napi_dispatcher_fn can + * run from Work Queue context we have to call these functions + */ +static void dhd_rx_napi_dispatcher_fn(struct work_struct * work) +{ + struct dhd_info *dhd = + container_of(work, struct dhd_info, rx_napi_dispatcher_work); + int cpu; + + get_online_cpus(); + cpu = atomic_read(&dhd->rx_napi_cpu); + if (!cpu_online(cpu)) + dhd_napi_schedule(dhd); + else + dhd_napi_schedule_on(dhd, cpu); + put_online_cpus(); +} + +/** + * dhd_lb_rx_napi_dispatch - load balance by dispatching the rx_napi_struct + * to run on another CPU. The rx_napi_struct's poll function will retrieve all + * the packets enqueued into the rx_napi_queue and sendup. + * The producer's rx packet queue is appended to the rx_napi_queue before + * dispatching the rx_napi_struct. + */ +void +dhd_lb_rx_napi_dispatch(dhd_pub_t *dhdp) +{ + unsigned long flags; + dhd_info_t *dhd = dhdp->info; + int curr_cpu; + int on_cpu; + + if (dhd->rx_napi_netdev == NULL) { + DHD_ERROR(("%s: dhd->rx_napi_netdev is NULL\n", __FUNCTION__)); + return; + } + + DHD_INFO(("%s append napi_queue<%d> pend_queue<%d>\n", __FUNCTION__, + skb_queue_len(&dhd->rx_napi_queue), skb_queue_len(&dhd->rx_pend_queue))); + + /* append the producer's queue of packets to the napi's rx process queue */ + spin_lock_irqsave(&dhd->rx_napi_queue.lock, flags); + skb_queue_splice_tail_init(&dhd->rx_pend_queue, &dhd->rx_napi_queue); + spin_unlock_irqrestore(&dhd->rx_napi_queue.lock, flags); + + /* + * If the destination CPU is NOT online or is same as current CPU + * no need to schedule the work + */ + curr_cpu = get_cpu(); + put_cpu(); + + on_cpu = atomic_read(&dhd->rx_napi_cpu); + + if ((on_cpu == curr_cpu) || (!cpu_online(on_cpu))) { + dhd_napi_schedule(dhd); + } else { + schedule_work(&dhd->rx_napi_dispatcher_work); + } +} + +/** + * dhd_lb_rx_pkt_enqueue - Enqueue the packet into the producer's queue + */ +void +dhd_lb_rx_pkt_enqueue(dhd_pub_t *dhdp, void *pkt, int ifidx) +{ + dhd_info_t *dhd = dhdp->info; + + DHD_INFO(("%s enqueue pkt<%p> ifidx<%d> pend_queue<%d>\n", __FUNCTION__, + pkt, ifidx, skb_queue_len(&dhd->rx_pend_queue))); + DHD_PKTTAG_SET_IFID((dhd_pkttag_fr_t *)PKTTAG(pkt), ifidx); + __skb_queue_tail(&dhd->rx_pend_queue, pkt); +} +#endif /* DHD_LB_RXP */ + +#endif /* DHD_LB */ + +static void dhd_memdump_work_handler(struct work_struct * work) +{ + struct dhd_info *dhd = + container_of(work, struct dhd_info, dhd_memdump_work.work); + + BCM_REFERENCE(dhd); +#ifdef BCMPCIE + dhd_prot_collect_memdump(&dhd->pub); +#endif +} + + +/** Returns dhd iflist index corresponding the the bssidx provided by apps */ +int dhd_bssidx2idx(dhd_pub_t *dhdp, uint32 bssidx) +{ + dhd_if_t *ifp; + dhd_info_t *dhd = dhdp->info; + int i; + + ASSERT(bssidx < DHD_MAX_IFS); + ASSERT(dhdp); + + for (i = 0; i < DHD_MAX_IFS; i++) { + ifp = dhd->iflist[i]; + if (ifp && (ifp->bssidx == bssidx)) { + DHD_TRACE(("Index manipulated for %s from %d to %d\n", + ifp->name, bssidx, i)); + break; + } + } + return i; +} + +static inline int dhd_rxf_enqueue(dhd_pub_t *dhdp, void* skb) +{ + uint32 store_idx; + uint32 sent_idx; + + if (!skb) { + DHD_ERROR(("dhd_rxf_enqueue: NULL skb!!!\n")); + return BCME_ERROR; + } + + dhd_os_rxflock(dhdp); + store_idx = dhdp->store_idx; + sent_idx = dhdp->sent_idx; + if (dhdp->skbbuf[store_idx] != NULL) { + /* Make sure the previous packets are processed */ + dhd_os_rxfunlock(dhdp); +#ifdef RXF_DEQUEUE_ON_BUSY + DHD_TRACE(("dhd_rxf_enqueue: pktbuf not consumed %p, store idx %d sent idx %d\n", + skb, store_idx, sent_idx)); + return BCME_BUSY; +#else /* RXF_DEQUEUE_ON_BUSY */ + DHD_ERROR(("dhd_rxf_enqueue: pktbuf not consumed %p, store idx %d sent idx %d\n", + skb, store_idx, sent_idx)); + /* removed msleep here, should use wait_event_timeout if we + * want to give rx frame thread a chance to run + */ +#if defined(WAIT_DEQUEUE) + OSL_SLEEP(1); +#endif + return BCME_ERROR; +#endif /* RXF_DEQUEUE_ON_BUSY */ + } + DHD_TRACE(("dhd_rxf_enqueue: Store SKB %p. idx %d -> %d\n", + skb, store_idx, (store_idx + 1) & (MAXSKBPEND - 1))); + dhdp->skbbuf[store_idx] = skb; + dhdp->store_idx = (store_idx + 1) & (MAXSKBPEND - 1); + dhd_os_rxfunlock(dhdp); + + return BCME_OK; +} + +static inline void* dhd_rxf_dequeue(dhd_pub_t *dhdp) +{ + uint32 store_idx; + uint32 sent_idx; + void *skb; + + dhd_os_rxflock(dhdp); + + store_idx = dhdp->store_idx; + sent_idx = dhdp->sent_idx; + skb = dhdp->skbbuf[sent_idx]; + + if (skb == NULL) { + dhd_os_rxfunlock(dhdp); + DHD_ERROR(("dhd_rxf_dequeue: Dequeued packet is NULL, store idx %d sent idx %d\n", + store_idx, sent_idx)); + return NULL; + } + + dhdp->skbbuf[sent_idx] = NULL; + dhdp->sent_idx = (sent_idx + 1) & (MAXSKBPEND - 1); + + DHD_TRACE(("dhd_rxf_dequeue: netif_rx_ni(%p), sent idx %d\n", + skb, sent_idx)); + + dhd_os_rxfunlock(dhdp); + + return skb; +} + +int dhd_process_cid_mac(dhd_pub_t *dhdp, bool prepost) +{ + if (prepost) { /* pre process */ + dhd_read_cis(dhdp); + dhd_check_module_cid(dhdp); + dhd_check_module_mac(dhdp); + dhd_set_macaddr_from_file(dhdp); + } else { /* post process */ + dhd_write_macaddr(&dhdp->mac); + dhd_clear_cis(dhdp); + } + + return 0; +} + +#ifdef PKT_FILTER_SUPPORT +#ifndef GAN_LITE_NAT_KEEPALIVE_FILTER +static bool +_turn_on_arp_filter(dhd_pub_t *dhd, int op_mode) +{ + bool _apply = FALSE; + /* In case of IBSS mode, apply arp pkt filter */ + if (op_mode & DHD_FLAG_IBSS_MODE) { + _apply = TRUE; + goto exit; + } + /* In case of P2P GO or GC, apply pkt filter to pass arp pkt to host */ + if ((op_mode & (DHD_FLAG_P2P_GC_MODE | DHD_FLAG_P2P_GO_MODE))) { + _apply = TRUE; + goto exit; + } + +exit: + return _apply; +} +#endif /* !GAN_LITE_NAT_KEEPALIVE_FILTER */ + +void +dhd_set_packet_filter(dhd_pub_t *dhd) +{ + int i; + + DHD_TRACE(("%s: enter\n", __FUNCTION__)); + if (dhd_pkt_filter_enable) { + for (i = 0; i < dhd->pktfilter_count; i++) { + dhd_pktfilter_offload_set(dhd, dhd->pktfilter[i]); + } + } +} + +void +dhd_enable_packet_filter(int value, dhd_pub_t *dhd) +{ + int i; + + DHD_ERROR(("%s: enter, value = %d\n", __FUNCTION__, value)); + + if ((dhd->op_mode & DHD_FLAG_HOSTAP_MODE) && value) { + DHD_ERROR(("%s: DHD_FLAG_HOSTAP_MODE\n", __FUNCTION__)); + return; + } + /* 1 - Enable packet filter, only allow unicast packet to send up */ + /* 0 - Disable packet filter */ + if (dhd_pkt_filter_enable && (!value || + (dhd_support_sta_mode(dhd) && !dhd->dhcp_in_progress))) + { + for (i = 0; i < dhd->pktfilter_count; i++) { +#ifndef GAN_LITE_NAT_KEEPALIVE_FILTER + if (value && (i == DHD_ARP_FILTER_NUM) && + !_turn_on_arp_filter(dhd, dhd->op_mode)) { + DHD_TRACE(("Do not turn on ARP white list pkt filter:" + "val %d, cnt %d, op_mode 0x%x\n", + value, i, dhd->op_mode)); + continue; + } +#endif /* !GAN_LITE_NAT_KEEPALIVE_FILTER */ + dhd_pktfilter_offload_enable(dhd, dhd->pktfilter[i], + value, dhd_master_mode); + } + } +} + +int +dhd_packet_filter_add_remove(dhd_pub_t *dhdp, int add_remove, int num) +{ + char *filterp = NULL; + int filter_id = 0; + + switch (num) { + case DHD_BROADCAST_FILTER_NUM: + filterp = "101 0 0 0 0xFFFFFFFFFFFF 0xFFFFFFFFFFFF"; + filter_id = 101; + break; + case DHD_MULTICAST4_FILTER_NUM: + filter_id = 102; + if (FW_SUPPORTED(dhdp, pf6)) { + if (dhdp->pktfilter[num] != NULL) { + dhd_pktfilter_offload_delete(dhdp, filter_id); + dhdp->pktfilter[num] = NULL; + } + if (!add_remove) { + filterp = DISCARD_IPV4_MCAST; + add_remove = 1; + break; + } + } + filterp = "102 0 0 0 0xFFFFFF 0x01005E"; + break; + case DHD_MULTICAST6_FILTER_NUM: + filter_id = 103; + if (FW_SUPPORTED(dhdp, pf6)) { + if (dhdp->pktfilter[num] != NULL) { + dhd_pktfilter_offload_delete(dhdp, filter_id); + dhdp->pktfilter[num] = NULL; + } + if (!add_remove) { + filterp = DISCARD_IPV6_MCAST; + add_remove = 1; + break; + } + } + filterp = "103 0 0 0 0xFFFF 0x3333"; + break; + case DHD_MDNS_FILTER_NUM: + filterp = "104 0 0 0 0xFFFFFFFFFFFF 0x01005E0000FB"; + filter_id = 104; + break; + case DHD_ARP_FILTER_NUM: + filterp = "105 0 0 12 0xFFFF 0x0806"; + filter_id = 105; + break; + case DHD_BROADCAST_ARP_FILTER_NUM: + filterp = "106 0 0 0 0xFFFFFFFFFFFF0000000000000806" + " 0xFFFFFFFFFFFF0000000000000806"; + filter_id = 106; + break; + default: + return -EINVAL; + } + + /* Add filter */ + if (add_remove) { + dhdp->pktfilter[num] = filterp; + dhd_pktfilter_offload_set(dhdp, dhdp->pktfilter[num]); + } else { /* Delete filter */ + if (dhdp->pktfilter[num]) { + dhd_pktfilter_offload_delete(dhdp, filter_id); + dhdp->pktfilter[num] = NULL; + } + } + + return 0; +} +#endif /* PKT_FILTER_SUPPORT */ + +static int dhd_set_suspend(int value, dhd_pub_t *dhd) +{ +#ifndef SUPPORT_PM2_ONLY + int power_mode = PM_MAX; +#endif /* SUPPORT_PM2_ONLY */ +#ifdef SUPPORT_SENSORHUB + shub_control_t shub_ctl; +#endif /* SUPPORT_SENSORHUB */ + /* wl_pkt_filter_enable_t enable_parm; */ + char iovbuf[32]; + int bcn_li_dtim = 0; /* Default bcn_li_dtim in resume mode is 0 */ +#ifdef DHD_USE_EARLYSUSPEND +#ifdef CUSTOM_BCN_TIMEOUT_IN_SUSPEND + int bcn_timeout = 0; +#endif /* CUSTOM_BCN_TIMEOUT_IN_SUSPEND */ +#ifdef CUSTOM_ROAM_TIME_THRESH_IN_SUSPEND + int roam_time_thresh = 0; /* (ms) */ +#endif /* CUSTOM_ROAM_TIME_THRESH_IN_SUSPEND */ +#ifndef ENABLE_FW_ROAM_SUSPEND + uint roamvar = 1; +#endif /* ENABLE_FW_ROAM_SUSPEND */ +#ifdef ENABLE_BCN_LI_BCN_WAKEUP + int bcn_li_bcn; +#endif /* ENABLE_BCN_LI_BCN_WAKEUP */ + uint nd_ra_filter = 0; + int ret = 0; +#endif /* DHD_USE_EARLYSUSPEND */ +#ifdef PASS_ALL_MCAST_PKTS + struct dhd_info *dhdinfo; + uint32 allmulti; + uint i; +#endif /* PASS_ALL_MCAST_PKTS */ +#ifdef DYNAMIC_SWOOB_DURATION +#ifndef CUSTOM_INTR_WIDTH +#define CUSTOM_INTR_WIDTH 100 + int intr_width = 0; +#endif /* CUSTOM_INTR_WIDTH */ +#endif /* DYNAMIC_SWOOB_DURATION */ + if (!dhd) + return -ENODEV; + +#ifdef PASS_ALL_MCAST_PKTS + dhdinfo = dhd->info; +#endif /* PASS_ALL_MCAST_PKTS */ + + DHD_TRACE(("%s: enter, value = %d in_suspend=%d\n", + __FUNCTION__, value, dhd->in_suspend)); + + dhd_suspend_lock(dhd); + +#ifdef CUSTOM_SET_CPUCORE + DHD_TRACE(("%s set cpucore(suspend%d)\n", __FUNCTION__, value)); + /* set specific cpucore */ + dhd_set_cpucore(dhd, TRUE); +#endif /* CUSTOM_SET_CPUCORE */ + if (dhd->up) { + if (value && dhd->in_suspend) { +#ifdef PKT_FILTER_SUPPORT + dhd->early_suspended = 1; +#endif + /* Kernel suspended */ + DHD_ERROR(("%s: force extra Suspend setting \n", __FUNCTION__)); + +#ifdef SUPPORT_SENSORHUB + shub_ctl.enable = 1; + shub_ctl.cmd = 0x000; + shub_ctl.op_mode = 1; + shub_ctl.interval = 0; + if (dhd->info->shub_enable == 1) { + bcm_mkiovar("shub_msreq", (char *)&shub_ctl, + sizeof(shub_ctl), iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, + iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s SensorHub MS start: failed %d\n", + __FUNCTION__, ret)); + } + } +#endif /* SUPPORT_SENSORHUB */ + +#ifndef SUPPORT_PM2_ONLY + dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode, + sizeof(power_mode), TRUE, 0); +#endif /* SUPPORT_PM2_ONLY */ + +#ifdef PKT_FILTER_SUPPORT + /* Enable packet filter, + * only allow unicast packet to send up + */ + dhd_enable_packet_filter(1, dhd); +#endif /* PKT_FILTER_SUPPORT */ + +#ifdef PASS_ALL_MCAST_PKTS + allmulti = 0; + bcm_mkiovar("allmulti", (char *)&allmulti, 4, + iovbuf, sizeof(iovbuf)); + for (i = 0; i < DHD_MAX_IFS; i++) { + if (dhdinfo->iflist[i] && dhdinfo->iflist[i]->net) + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, i); + } +#endif /* PASS_ALL_MCAST_PKTS */ + + /* If DTIM skip is set up as default, force it to wake + * each third DTIM for better power savings. Note that + * one side effect is a chance to miss BC/MC packet. + */ +#ifdef WLTDLS + /* Do not set bcn_li_ditm on WFD mode */ + if (dhd->tdls_mode) { + bcn_li_dtim = 0; + } else +#endif /* WLTDLS */ + bcn_li_dtim = dhd_get_suspend_bcn_li_dtim(dhd); + bcm_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim, + 4, iovbuf, sizeof(iovbuf)); + if (dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), + TRUE, 0) < 0) + DHD_ERROR(("%s: set dtim failed\n", __FUNCTION__)); + +#ifdef DHD_USE_EARLYSUSPEND +#ifdef CUSTOM_BCN_TIMEOUT_IN_SUSPEND + bcn_timeout = CUSTOM_BCN_TIMEOUT_IN_SUSPEND; + bcm_mkiovar("bcn_timeout", (char *)&bcn_timeout, + 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#endif /* CUSTOM_BCN_TIMEOUT_IN_SUSPEND */ +#ifdef CUSTOM_ROAM_TIME_THRESH_IN_SUSPEND + roam_time_thresh = CUSTOM_ROAM_TIME_THRESH_IN_SUSPEND; + bcm_mkiovar("roam_time_thresh", (char *)&roam_time_thresh, + 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#endif /* CUSTOM_ROAM_TIME_THRESH_IN_SUSPEND */ +#ifndef ENABLE_FW_ROAM_SUSPEND + /* Disable firmware roaming during suspend */ + bcm_mkiovar("roam_off", (char *)&roamvar, 4, + iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#endif /* ENABLE_FW_ROAM_SUSPEND */ +#ifdef ENABLE_BCN_LI_BCN_WAKEUP + bcn_li_bcn = 0; + bcm_mkiovar("bcn_li_bcn", (char *)&bcn_li_bcn, + 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#endif /* ENABLE_BCN_LI_BCN_WAKEUP */ + if (FW_SUPPORTED(dhd, ndoe)) { + /* enable IPv6 RA filter in firmware during suspend */ + nd_ra_filter = 1; + bcm_mkiovar("nd_ra_filter_enable", (char *)&nd_ra_filter, 4, + iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) + DHD_ERROR(("failed to set nd_ra_filter (%d)\n", + ret)); + } +#ifdef DYNAMIC_SWOOB_DURATION + intr_width = CUSTOM_INTR_WIDTH; + bcm_mkiovar("bus:intr_width", (char *)&intr_width, 4, + iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("failed to set intr_width (%d)\n", ret)); + } +#endif /* DYNAMIC_SWOOB_DURATION */ +#endif /* DHD_USE_EARLYSUSPEND */ + } else { +#ifdef PKT_FILTER_SUPPORT + dhd->early_suspended = 0; +#endif + /* Kernel resumed */ + DHD_ERROR(("%s: Remove extra suspend setting \n", __FUNCTION__)); + +#ifdef SUPPORT_SENSORHUB + shub_ctl.enable = 1; + shub_ctl.cmd = 0x000; + shub_ctl.op_mode = 0; + shub_ctl.interval = 0; + if (dhd->info->shub_enable == 1) { + bcm_mkiovar("shub_msreq", (char *)&shub_ctl, + sizeof(shub_ctl), iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, + iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s SensorHub MS stop: failed %d\n", + __FUNCTION__, ret)); + } + } +#endif /* SUPPORT_SENSORHUB */ + + +#ifdef DYNAMIC_SWOOB_DURATION + intr_width = 0; + bcm_mkiovar("bus:intr_width", (char *)&intr_width, 4, + iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("failed to set intr_width (%d)\n", ret)); + } +#endif /* DYNAMIC_SWOOB_DURATION */ +#ifndef SUPPORT_PM2_ONLY + power_mode = PM_FAST; + dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode, + sizeof(power_mode), TRUE, 0); +#endif /* SUPPORT_PM2_ONLY */ +#ifdef PKT_FILTER_SUPPORT + /* disable pkt filter */ + dhd_enable_packet_filter(0, dhd); +#endif /* PKT_FILTER_SUPPORT */ +#ifdef PASS_ALL_MCAST_PKTS + allmulti = 1; + bcm_mkiovar("allmulti", (char *)&allmulti, 4, + iovbuf, sizeof(iovbuf)); + for (i = 0; i < DHD_MAX_IFS; i++) { + if (dhdinfo->iflist[i] && dhdinfo->iflist[i]->net) + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, i); + } +#endif /* PASS_ALL_MCAST_PKTS */ + + /* restore pre-suspend setting for dtim_skip */ + bcm_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim, + 4, iovbuf, sizeof(iovbuf)); + + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#ifdef DHD_USE_EARLYSUSPEND +#ifdef CUSTOM_BCN_TIMEOUT_IN_SUSPEND + bcn_timeout = CUSTOM_BCN_TIMEOUT; + bcm_mkiovar("bcn_timeout", (char *)&bcn_timeout, + 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#endif /* CUSTOM_BCN_TIMEOUT_IN_SUSPEND */ +#ifdef CUSTOM_ROAM_TIME_THRESH_IN_SUSPEND + roam_time_thresh = 2000; + bcm_mkiovar("roam_time_thresh", (char *)&roam_time_thresh, + 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#endif /* CUSTOM_ROAM_TIME_THRESH_IN_SUSPEND */ +#ifndef ENABLE_FW_ROAM_SUSPEND + roamvar = dhd_roam_disable; + bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, + sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#endif /* ENABLE_FW_ROAM_SUSPEND */ +#ifdef ENABLE_BCN_LI_BCN_WAKEUP + bcn_li_bcn = 1; + bcm_mkiovar("bcn_li_bcn", (char *)&bcn_li_bcn, + 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#endif /* ENABLE_BCN_LI_BCN_WAKEUP */ + if (FW_SUPPORTED(dhd, ndoe)) { + /* disable IPv6 RA filter in firmware during suspend */ + nd_ra_filter = 0; + bcm_mkiovar("nd_ra_filter_enable", (char *)&nd_ra_filter, 4, + iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) + DHD_ERROR(("failed to set nd_ra_filter (%d)\n", + ret)); + } +#endif /* DHD_USE_EARLYSUSPEND */ + } + } + dhd_suspend_unlock(dhd); + + return 0; +} + +static int dhd_suspend_resume_helper(struct dhd_info *dhd, int val, int force) +{ + dhd_pub_t *dhdp = &dhd->pub; + int ret = 0; + + DHD_OS_WAKE_LOCK(dhdp); + DHD_PERIM_LOCK(dhdp); + + /* Set flag when early suspend was called */ + dhdp->in_suspend = val; + if ((force || !dhdp->suspend_disable_flag) && + dhd_support_sta_mode(dhdp)) + { + ret = dhd_set_suspend(val, dhdp); + } + + DHD_PERIM_UNLOCK(dhdp); + DHD_OS_WAKE_UNLOCK(dhdp); + return ret; +} + +#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) +static void dhd_early_suspend(struct early_suspend *h) +{ + struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); + DHD_TRACE_HW4(("%s: enter\n", __FUNCTION__)); + + if (dhd) + dhd_suspend_resume_helper(dhd, 1, 0); +} + +static void dhd_late_resume(struct early_suspend *h) +{ + struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); + DHD_TRACE_HW4(("%s: enter\n", __FUNCTION__)); + + if (dhd) + dhd_suspend_resume_helper(dhd, 0, 0); +} +#endif /* CONFIG_HAS_EARLYSUSPEND && DHD_USE_EARLYSUSPEND */ + +/* + * Generalized timeout mechanism. Uses spin sleep with exponential back-off until + * the sleep time reaches one jiffy, then switches over to task delay. Usage: + * + * dhd_timeout_start(&tmo, usec); + * while (!dhd_timeout_expired(&tmo)) + * if (poll_something()) + * break; + * if (dhd_timeout_expired(&tmo)) + * fatal(); + */ + +void +dhd_timeout_start(dhd_timeout_t *tmo, uint usec) +{ + tmo->limit = usec; + tmo->increment = 0; + tmo->elapsed = 0; + tmo->tick = jiffies_to_usecs(1); +} + +int +dhd_timeout_expired(dhd_timeout_t *tmo) +{ + /* Does nothing the first call */ + if (tmo->increment == 0) { + tmo->increment = 1; + return 0; + } + + if (tmo->elapsed >= tmo->limit) + return 1; + + /* Add the delay that's about to take place */ + tmo->elapsed += tmo->increment; + + if ((!CAN_SLEEP()) || tmo->increment < tmo->tick) { + OSL_DELAY(tmo->increment); + tmo->increment *= 2; + if (tmo->increment > tmo->tick) + tmo->increment = tmo->tick; + } else { + wait_queue_head_t delay_wait; + DECLARE_WAITQUEUE(wait, current); + init_waitqueue_head(&delay_wait); + add_wait_queue(&delay_wait, &wait); + set_current_state(TASK_INTERRUPTIBLE); + (void)schedule_timeout(1); + remove_wait_queue(&delay_wait, &wait); + set_current_state(TASK_RUNNING); + } + + return 0; +} + +int +dhd_net2idx(dhd_info_t *dhd, struct net_device *net) +{ + int i = 0; + + if (!dhd) { + DHD_ERROR(("%s : DHD_BAD_IF return\n", __FUNCTION__)); + return DHD_BAD_IF; + } + + while (i < DHD_MAX_IFS) { + if (dhd->iflist[i] && dhd->iflist[i]->net && (dhd->iflist[i]->net == net)) + return i; + i++; + } + + return DHD_BAD_IF; +} + +struct net_device * dhd_idx2net(void *pub, int ifidx) +{ + struct dhd_pub *dhd_pub = (struct dhd_pub *)pub; + struct dhd_info *dhd_info; + + if (!dhd_pub || ifidx < 0 || ifidx >= DHD_MAX_IFS) + return NULL; + dhd_info = dhd_pub->info; + if (dhd_info && dhd_info->iflist[ifidx]) + return dhd_info->iflist[ifidx]->net; + return NULL; +} + +int +dhd_ifname2idx(dhd_info_t *dhd, char *name) +{ + int i = DHD_MAX_IFS; + + ASSERT(dhd); + + if (name == NULL || *name == '\0') + return 0; + + while (--i > 0) + if (dhd->iflist[i] && !strncmp(dhd->iflist[i]->dngl_name, name, IFNAMSIZ)) + break; + + DHD_TRACE(("%s: return idx %d for \"%s\"\n", __FUNCTION__, i, name)); + + return i; /* default - the primary interface */ +} + +char * +dhd_ifname(dhd_pub_t *dhdp, int ifidx) +{ + dhd_info_t *dhd = (dhd_info_t *)dhdp->info; + + ASSERT(dhd); + + if (ifidx < 0 || ifidx >= DHD_MAX_IFS) { + DHD_ERROR(("%s: ifidx %d out of range\n", __FUNCTION__, ifidx)); + return "<if_bad>"; + } + + if (dhd->iflist[ifidx] == NULL) { + DHD_ERROR(("%s: null i/f %d\n", __FUNCTION__, ifidx)); + return "<if_null>"; + } + + if (dhd->iflist[ifidx]->net) + return dhd->iflist[ifidx]->net->name; + + return "<if_none>"; +} + +uint8 * +dhd_bssidx2bssid(dhd_pub_t *dhdp, int idx) +{ + int i; + dhd_info_t *dhd = (dhd_info_t *)dhdp; + + ASSERT(dhd); + for (i = 0; i < DHD_MAX_IFS; i++) + if (dhd->iflist[i] && dhd->iflist[i]->bssidx == idx) + return dhd->iflist[i]->mac_addr; + + return NULL; +} + + +static void +_dhd_set_multicast_list(dhd_info_t *dhd, int ifidx) +{ + struct net_device *dev; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) + struct netdev_hw_addr *ha; +#else + struct dev_mc_list *mclist; +#endif + uint32 allmulti, cnt; + + wl_ioctl_t ioc; + char *buf, *bufp; + uint buflen; + int ret; + + if (!dhd->iflist[ifidx]) { + DHD_ERROR(("%s : dhd->iflist[%d] was NULL\n", __FUNCTION__, ifidx)); + return; + } + dev = dhd->iflist[ifidx]->net; + if (!dev) + return; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) + netif_addr_lock_bh(dev); +#endif /* LINUX >= 2.6.27 */ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) + cnt = netdev_mc_count(dev); +#else + cnt = dev->mc_count; +#endif /* LINUX >= 2.6.35 */ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) + netif_addr_unlock_bh(dev); +#endif /* LINUX >= 2.6.27 */ + + /* Determine initial value of allmulti flag */ + allmulti = (dev->flags & IFF_ALLMULTI) ? TRUE : FALSE; + +#ifdef PASS_ALL_MCAST_PKTS +#ifdef PKT_FILTER_SUPPORT + if (!dhd->pub.early_suspended) +#endif /* PKT_FILTER_SUPPORT */ + allmulti = TRUE; +#endif /* PASS_ALL_MCAST_PKTS */ + + /* Send down the multicast list first. */ + + + buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETHER_ADDR_LEN); + if (!(bufp = buf = MALLOC(dhd->pub.osh, buflen))) { + DHD_ERROR(("%s: out of memory for mcast_list, cnt %d\n", + dhd_ifname(&dhd->pub, ifidx), cnt)); + return; + } + + strncpy(bufp, "mcast_list", buflen - 1); + bufp[buflen - 1] = '\0'; + bufp += strlen("mcast_list") + 1; + + cnt = htol32(cnt); + memcpy(bufp, &cnt, sizeof(cnt)); + bufp += sizeof(cnt); + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) + netif_addr_lock_bh(dev); +#endif /* LINUX >= 2.6.27 */ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) + netdev_for_each_mc_addr(ha, dev) { + if (!cnt) + break; + memcpy(bufp, ha->addr, ETHER_ADDR_LEN); + bufp += ETHER_ADDR_LEN; + cnt--; + } +#else /* LINUX < 2.6.35 */ + for (mclist = dev->mc_list; (mclist && (cnt > 0)); + cnt--, mclist = mclist->next) { + memcpy(bufp, (void *)mclist->dmi_addr, ETHER_ADDR_LEN); + bufp += ETHER_ADDR_LEN; + } +#endif /* LINUX >= 2.6.35 */ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) + netif_addr_unlock_bh(dev); +#endif /* LINUX >= 2.6.27 */ + + memset(&ioc, 0, sizeof(ioc)); + ioc.cmd = WLC_SET_VAR; + ioc.buf = buf; + ioc.len = buflen; + ioc.set = TRUE; + + ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); + if (ret < 0) { + DHD_ERROR(("%s: set mcast_list failed, cnt %d\n", + dhd_ifname(&dhd->pub, ifidx), cnt)); + allmulti = cnt ? TRUE : allmulti; + } + + MFREE(dhd->pub.osh, buf, buflen); + + /* Now send the allmulti setting. This is based on the setting in the + * net_device flags, but might be modified above to be turned on if we + * were trying to set some addresses and dongle rejected it... + */ + + buflen = sizeof("allmulti") + sizeof(allmulti); + if (!(buf = MALLOC(dhd->pub.osh, buflen))) { + DHD_ERROR(("%s: out of memory for allmulti\n", dhd_ifname(&dhd->pub, ifidx))); + return; + } + allmulti = htol32(allmulti); + + if (!bcm_mkiovar("allmulti", (void*)&allmulti, sizeof(allmulti), buf, buflen)) { + DHD_ERROR(("%s: mkiovar failed for allmulti, datalen %d buflen %u\n", + dhd_ifname(&dhd->pub, ifidx), (int)sizeof(allmulti), buflen)); + MFREE(dhd->pub.osh, buf, buflen); + return; + } + + + memset(&ioc, 0, sizeof(ioc)); + ioc.cmd = WLC_SET_VAR; + ioc.buf = buf; + ioc.len = buflen; + ioc.set = TRUE; + + ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); + if (ret < 0) { + DHD_ERROR(("%s: set allmulti %d failed\n", + dhd_ifname(&dhd->pub, ifidx), ltoh32(allmulti))); + } + + MFREE(dhd->pub.osh, buf, buflen); + + /* Finally, pick up the PROMISC flag as well, like the NIC driver does */ + + allmulti = (dev->flags & IFF_PROMISC) ? TRUE : FALSE; + + allmulti = htol32(allmulti); + + memset(&ioc, 0, sizeof(ioc)); + ioc.cmd = WLC_SET_PROMISC; + ioc.buf = &allmulti; + ioc.len = sizeof(allmulti); + ioc.set = TRUE; + + ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); + if (ret < 0) { + DHD_ERROR(("%s: set promisc %d failed\n", + dhd_ifname(&dhd->pub, ifidx), ltoh32(allmulti))); + } +} + +int +_dhd_set_mac_address(dhd_info_t *dhd, int ifidx, uint8 *addr) +{ + char buf[32]; + wl_ioctl_t ioc; + int ret; + + if (!bcm_mkiovar("cur_etheraddr", (char*)addr, ETHER_ADDR_LEN, buf, 32)) { + DHD_ERROR(("%s: mkiovar failed for cur_etheraddr\n", dhd_ifname(&dhd->pub, ifidx))); + return -1; + } + memset(&ioc, 0, sizeof(ioc)); + ioc.cmd = WLC_SET_VAR; + ioc.buf = buf; + ioc.len = 32; + ioc.set = TRUE; + + ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); + if (ret < 0) { + DHD_ERROR(("%s: set cur_etheraddr failed\n", dhd_ifname(&dhd->pub, ifidx))); + } else { + memcpy(dhd->iflist[ifidx]->net->dev_addr, addr, ETHER_ADDR_LEN); + if (ifidx == 0) + memcpy(dhd->pub.mac.octet, addr, ETHER_ADDR_LEN); + } + + return ret; +} + +#ifdef SOFTAP +extern struct net_device *ap_net_dev; +extern tsk_ctl_t ap_eth_ctl; /* ap netdev heper thread ctl */ +#endif + +#ifdef DHD_PSTA +/* Get psta/psr configuration configuration */ +int dhd_get_psta_mode(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd = dhdp->info; + return (int)dhd->psta_mode; +} +/* Set psta/psr configuration configuration */ +int dhd_set_psta_mode(dhd_pub_t *dhdp, uint32 val) +{ + dhd_info_t *dhd = dhdp->info; + dhd->psta_mode = val; + return 0; +} +#endif /* DHD_PSTA */ + +static void +dhd_ifadd_event_handler(void *handle, void *event_info, u8 event) +{ + dhd_info_t *dhd = handle; + dhd_if_event_t *if_event = event_info; + struct net_device *ndev; + int ifidx, bssidx; + int ret; +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) + struct wireless_dev *vwdev, *primary_wdev; + struct net_device *primary_ndev; +#endif /* OEM_ANDROID && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) */ + + if (event != DHD_WQ_WORK_IF_ADD) { + DHD_ERROR(("%s: unexpected event \n", __FUNCTION__)); + return; + } + + if (!dhd) { + DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); + return; + } + + if (!if_event) { + DHD_ERROR(("%s: event data is null \n", __FUNCTION__)); + return; + } + + dhd_net_if_lock_local(dhd); + DHD_OS_WAKE_LOCK(&dhd->pub); + DHD_PERIM_LOCK(&dhd->pub); + + ifidx = if_event->event.ifidx; + bssidx = if_event->event.bssidx; + DHD_TRACE(("%s: registering if with ifidx %d\n", __FUNCTION__, ifidx)); + + /* This path is for non-android case */ + /* The interface name in host and in event msg are same */ + /* if name in event msg is used to create dongle if list on host */ + ndev = dhd_allocate_if(&dhd->pub, ifidx, if_event->name, + if_event->mac, bssidx, TRUE, if_event->name); + if (!ndev) { + DHD_ERROR(("%s: net device alloc failed \n", __FUNCTION__)); + goto done; + } + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) + vwdev = kzalloc(sizeof(*vwdev), GFP_KERNEL); + if (unlikely(!vwdev)) { + DHD_ERROR(("Could not allocate wireless device\n")); + goto done; + } + primary_ndev = dhd->pub.info->iflist[0]->net; + primary_wdev = ndev_to_wdev(primary_ndev); + vwdev->wiphy = primary_wdev->wiphy; + vwdev->iftype = if_event->event.role; + vwdev->netdev = ndev; + ndev->ieee80211_ptr = vwdev; + SET_NETDEV_DEV(ndev, wiphy_dev(vwdev->wiphy)); + DHD_ERROR(("virtual interface(%s) is created\n", if_event->name)); +#endif /* OEM_ANDROID && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) */ + + DHD_PERIM_UNLOCK(&dhd->pub); + ret = dhd_register_if(&dhd->pub, ifidx, TRUE); + DHD_PERIM_LOCK(&dhd->pub); + if (ret != BCME_OK) { + DHD_ERROR(("%s: dhd_register_if failed\n", __FUNCTION__)); + dhd_remove_if(&dhd->pub, ifidx, TRUE); + goto done; + } +#ifdef PCIE_FULL_DONGLE + /* Turn on AP isolation in the firmware for interfaces operating in AP mode */ + if (FW_SUPPORTED((&dhd->pub), ap) && (if_event->event.role != WLC_E_IF_ROLE_STA)) { + char iovbuf[WLC_IOCTL_SMLEN]; + uint32 var_int = 1; + + memset(iovbuf, 0, sizeof(iovbuf)); + bcm_mkiovar("ap_isolate", (char *)&var_int, 4, iovbuf, sizeof(iovbuf)); + ret = dhd_wl_ioctl_cmd(&dhd->pub, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, ifidx); + + if (ret != BCME_OK) { + DHD_ERROR(("%s: Failed to set ap_isolate to dongle\n", __FUNCTION__)); + dhd_remove_if(&dhd->pub, ifidx, TRUE); + } + } +#endif /* PCIE_FULL_DONGLE */ + +done: + MFREE(dhd->pub.osh, if_event, sizeof(dhd_if_event_t)); + + DHD_PERIM_UNLOCK(&dhd->pub); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + dhd_net_if_unlock_local(dhd); +} + +static void +dhd_ifdel_event_handler(void *handle, void *event_info, u8 event) +{ + dhd_info_t *dhd = handle; + int ifidx; + dhd_if_event_t *if_event = event_info; + + + if (event != DHD_WQ_WORK_IF_DEL) { + DHD_ERROR(("%s: unexpected event \n", __FUNCTION__)); + return; + } + + if (!dhd) { + DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); + return; + } + + if (!if_event) { + DHD_ERROR(("%s: event data is null \n", __FUNCTION__)); + return; + } + + dhd_net_if_lock_local(dhd); + DHD_OS_WAKE_LOCK(&dhd->pub); + DHD_PERIM_LOCK(&dhd->pub); + + ifidx = if_event->event.ifidx; + DHD_TRACE(("Removing interface with idx %d\n", ifidx)); + + DHD_PERIM_UNLOCK(&dhd->pub); + dhd_remove_if(&dhd->pub, ifidx, TRUE); + DHD_PERIM_LOCK(&dhd->pub); + + MFREE(dhd->pub.osh, if_event, sizeof(dhd_if_event_t)); + + DHD_PERIM_UNLOCK(&dhd->pub); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + dhd_net_if_unlock_local(dhd); +} + +static void +dhd_set_mac_addr_handler(void *handle, void *event_info, u8 event) +{ + dhd_info_t *dhd = handle; + dhd_if_t *ifp = NULL; + int ifidx = (int)((long int)event_info); + + if (event != DHD_WQ_WORK_SET_MAC) { + DHD_ERROR(("%s: unexpected event \n", __FUNCTION__)); + } + + if (!dhd) { + DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); + return; + } + + dhd_net_if_lock_local(dhd); + DHD_OS_WAKE_LOCK(&dhd->pub); + DHD_PERIM_LOCK(&dhd->pub); + + ifp = dhd->iflist[ifidx]; + if (ifp == NULL || !dhd->pub.up) { + DHD_ERROR(("%s: interface info not available/down \n", __FUNCTION__)); + goto done; + } + +#if defined(SOFTAP) && defined(USE_IW) + { + unsigned long flags; + DHD_GENERAL_LOCK(&dhd->pub, flags); + if (ap_net_dev != NULL) { + DHD_GENERAL_UNLOCK(&dhd->pub, flags); + DHD_ERROR(("attempt to set MAC for %s in AP Mode, blocked. \n", + ifp->net->name)); + goto done; + } + DHD_GENERAL_UNLOCK(&dhd->pub, flags); + } +#endif /* SOFTAP && USE_IW */ + DHD_ERROR(("%s: MACID is overwritten\n", __FUNCTION__)); + ifp->set_macaddress = FALSE; + if (_dhd_set_mac_address(dhd, ifp->idx, ifp->mac_addr) == 0) + DHD_INFO(("%s: MACID is overwritten\n", __FUNCTION__)); + else + DHD_ERROR(("%s: _dhd_set_mac_address() failed\n", __FUNCTION__)); + +done: + DHD_PERIM_UNLOCK(&dhd->pub); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + dhd_net_if_unlock_local(dhd); +} + +static void +dhd_set_mcast_list_handler(void *handle, void *event_info, u8 event) +{ + dhd_info_t *dhd = handle; + dhd_if_t *ifp = NULL; + int ifidx = (int)((long int)event_info); + + if (event != DHD_WQ_WORK_SET_MCAST_LIST) { + DHD_ERROR(("%s: unexpected event \n", __FUNCTION__)); + return; + } + + if (!dhd) { + DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); + return; + } + + dhd_net_if_lock_local(dhd); + DHD_OS_WAKE_LOCK(&dhd->pub); + DHD_PERIM_LOCK(&dhd->pub); + + ifp = dhd->iflist[ifidx]; + + if (ifp == NULL || !dhd->pub.up) { + DHD_ERROR(("%s: interface info not available/down \n", __FUNCTION__)); + goto done; + } + +#if defined(SOFTAP) && defined(USE_IW) + { + unsigned long flags; + DHD_GENERAL_LOCK(&dhd->pub, flags); + if (ap_net_dev != NULL) { + DHD_GENERAL_UNLOCK(&dhd->pub, flags); + DHD_ERROR(("set MULTICAST list for %s in AP Mode, blocked. \n", + ifp->net->name)); + ifp->set_multicast = FALSE; + goto done; + } + DHD_GENERAL_UNLOCK(&dhd->pub, flags); + } +#endif /* SOFTAP && USE_IW */ + + + _dhd_set_multicast_list(dhd, ifidx); + DHD_INFO(("%s: set multicast list for if %d\n", __FUNCTION__, ifidx)); + +done: + DHD_PERIM_UNLOCK(&dhd->pub); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + dhd_net_if_unlock_local(dhd); +} + +static int +dhd_set_mac_address(struct net_device *dev, void *addr) +{ + int ret = 0; + + dhd_info_t *dhd = DHD_DEV_INFO(dev); + struct sockaddr *sa = (struct sockaddr *)addr; + int ifidx; + dhd_if_t *dhdif; + + ifidx = dhd_net2idx(dhd, dev); + if (ifidx == DHD_BAD_IF) + return -1; + + dhdif = dhd->iflist[ifidx]; + + dhd_net_if_lock_local(dhd); + memcpy(dhdif->mac_addr, sa->sa_data, ETHER_ADDR_LEN); + dhdif->set_macaddress = TRUE; + dhd_net_if_unlock_local(dhd); + dhd_deferred_schedule_work(dhd->dhd_deferred_wq, (void *)((long int)ifidx), + DHD_WQ_WORK_SET_MAC, dhd_set_mac_addr_handler, DHD_WORK_PRIORITY_LOW); + return ret; +} + +static void +dhd_set_multicast_list(struct net_device *dev) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + int ifidx; + + ifidx = dhd_net2idx(dhd, dev); + if (ifidx == DHD_BAD_IF) + return; + + dhd->iflist[ifidx]->set_multicast = TRUE; + dhd_deferred_schedule_work(dhd->dhd_deferred_wq, (void *)((long int)ifidx), + DHD_WQ_WORK_SET_MCAST_LIST, dhd_set_mcast_list_handler, DHD_WORK_PRIORITY_LOW); +} + +#ifdef PROP_TXSTATUS +int +dhd_os_wlfc_block(dhd_pub_t *pub) +{ + dhd_info_t *di = (dhd_info_t *)(pub->info); + ASSERT(di != NULL); + spin_lock_bh(&di->wlfc_spinlock); + return 1; +} + +int +dhd_os_wlfc_unblock(dhd_pub_t *pub) +{ + dhd_info_t *di = (dhd_info_t *)(pub->info); + + ASSERT(di != NULL); + spin_unlock_bh(&di->wlfc_spinlock); + return 1; +} + +#endif /* PROP_TXSTATUS */ + +#if defined(DHD_8021X_DUMP) +void +dhd_tx_dump(struct net_device *ndev, osl_t *osh, void *pkt) +{ + uint8 *dump_data; + uint16 protocol; + char *ifname; + + dump_data = PKTDATA(osh, pkt); + protocol = (dump_data[12] << 8) | dump_data[13]; + ifname = ndev ? ndev->name : "N/A"; + + if (protocol == ETHER_TYPE_802_1X) { + dhd_dump_eapol_4way_message(ifname, dump_data, TRUE); + } +} +#endif /* DHD_8021X_DUMP */ + +/* This routine do not support Packet chain feature, Currently tested for + * proxy arp feature + */ +int dhd_sendup(dhd_pub_t *dhdp, int ifidx, void *p) +{ + struct sk_buff *skb; + void *skbhead = NULL; + void *skbprev = NULL; + dhd_if_t *ifp; + ASSERT(!PKTISCHAINED(p)); + skb = PKTTONATIVE(dhdp->osh, p); + + ifp = dhdp->info->iflist[ifidx]; + skb->dev = ifp->net; +#if defined(BCM_GMAC3) + /* Forwarder capable interfaces use WOFA based forwarding */ + if (ifp->fwdh) { + struct ether_header *eh = (struct ether_header *)PKTDATA(dhdp->osh, p); + uint16 * da = (uint16 *)(eh->ether_dhost); + wofa_t wofa; + ASSERT(ISALIGNED(da, 2)); + + wofa = fwder_lookup(ifp->fwdh->mate, da, ifp->idx); + if (wofa == FWDER_WOFA_INVALID) { /* Unknown MAC address */ + if (fwder_transmit(ifp->fwdh, skb, 1, skb->dev) == FWDER_SUCCESS) { + return BCME_OK; + } + } + PKTFRMNATIVE(dhdp->osh, p); + PKTFREE(dhdp->osh, p, FALSE); + return BCME_OK; + } +#endif /* BCM_GMAC3 */ + + skb->protocol = eth_type_trans(skb, skb->dev); + + if (in_interrupt()) { + bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, + __FUNCTION__, __LINE__); + netif_rx(skb); + } else { + if (dhdp->info->rxthread_enabled) { + if (!skbhead) { + skbhead = skb; + } else { + PKTSETNEXT(dhdp->osh, skbprev, skb); + } + skbprev = skb; + } else { + /* If the receive is not processed inside an ISR, + * the softirqd must be woken explicitly to service + * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled + * by netif_rx_ni(), but in earlier kernels, we need + * to do it manually. + */ + bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, + __FUNCTION__, __LINE__); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) + netif_rx_ni(skb); +#else + ulong flags; + netif_rx(skb); + local_irq_save(flags); + RAISE_RX_SOFTIRQ(); + local_irq_restore(flags); +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) */ + } + } + + if (dhdp->info->rxthread_enabled && skbhead) + dhd_sched_rxf(dhdp, skbhead); + + return BCME_OK; +} + +int BCMFASTPATH +__dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, void *pktbuf) +{ + int ret = BCME_OK; + dhd_info_t *dhd = (dhd_info_t *)(dhdp->info); + struct ether_header *eh = NULL; +#ifdef DHD_L2_FILTER + dhd_if_t *ifp = dhd_get_ifp(dhdp, ifidx); +#endif +#ifdef DHD_8021X_DUMP + struct net_device *ndev; +#endif /* DHD_8021X_DUMP */ + + /* Reject if down */ + if (!dhdp->up || (dhdp->busstate == DHD_BUS_DOWN)) { + /* free the packet here since the caller won't */ + PKTCFREE(dhdp->osh, pktbuf, TRUE); + return -ENODEV; + } + +#ifdef PCIE_FULL_DONGLE + if (dhdp->busstate == DHD_BUS_SUSPEND) { + DHD_ERROR(("%s : pcie is still in suspend state!!\n", __FUNCTION__)); + PKTFREE(dhdp->osh, pktbuf, TRUE); + return -EBUSY; + } +#endif /* PCIE_FULL_DONGLE */ + +#ifdef DHD_L2_FILTER + /* if dhcp_unicast is enabled, we need to convert the */ + /* broadcast DHCP ACK/REPLY packets to Unicast. */ + if (ifp->dhcp_unicast) { + uint8* mac_addr; + uint8* ehptr = NULL; + int ret; + ret = bcm_l2_filter_get_mac_addr_dhcp_pkt(dhdp->osh, pktbuf, ifidx, &mac_addr); + if (ret == BCME_OK) { + /* if given mac address having valid entry in sta list + * copy the given mac address, and return with BCME_OK + */ + if (dhd_find_sta(dhdp, ifidx, mac_addr)) { + ehptr = PKTDATA(dhdp->osh, pktbuf); + bcopy(mac_addr, ehptr + ETHER_DEST_OFFSET, ETHER_ADDR_LEN); + } + } + } + + if (ifp->grat_arp && DHD_IF_ROLE_AP(dhdp, ifidx)) { + if (bcm_l2_filter_gratuitous_arp(dhdp->osh, pktbuf) == BCME_OK) { + PKTCFREE(dhdp->osh, pktbuf, TRUE); + return BCME_ERROR; + } + } + + if (ifp->parp_enable && DHD_IF_ROLE_AP(dhdp, ifidx)) { + ret = dhd_l2_filter_pkt_handle(dhdp, ifidx, pktbuf, TRUE); + + /* Drop the packets if l2 filter has processed it already + * otherwise continue with the normal path + */ + if (ret == BCME_OK) { + PKTCFREE(dhdp->osh, pktbuf, TRUE); + return BCME_ERROR; + } + } +#endif /* DHD_L2_FILTER */ + /* Update multicast statistic */ + if (PKTLEN(dhdp->osh, pktbuf) >= ETHER_HDR_LEN) { + uint8 *pktdata = (uint8 *)PKTDATA(dhdp->osh, pktbuf); + eh = (struct ether_header *)pktdata; + + if (ETHER_ISMULTI(eh->ether_dhost)) + dhdp->tx_multicast++; + if (ntoh16(eh->ether_type) == ETHER_TYPE_802_1X) { +#ifdef DHD_LOSSLESS_ROAMING + uint8 prio = (uint8)PKTPRIO(pktbuf); + + /* back up 802.1x's priority */ + dhdp->prio_8021x = prio; +#endif /* DHD_LOSSLESS_ROAMING */ + atomic_inc(&dhd->pend_8021x_cnt); + } +#ifdef DHD_DHCP_DUMP + if (ntoh16(eh->ether_type) == ETHER_TYPE_IP) { + uint16 dump_hex; + uint16 source_port; + uint16 dest_port; + uint16 udp_port_pos; + uint8 *ptr8 = (uint8 *)&pktdata[ETHER_HDR_LEN]; + uint8 ip_header_len = (*ptr8 & 0x0f)<<2; + struct net_device *net; + char *ifname; + + net = dhd_idx2net(dhdp, ifidx); + ifname = net ? net->name : "N/A"; + udp_port_pos = ETHER_HDR_LEN + ip_header_len; + source_port = (pktdata[udp_port_pos] << 8) | pktdata[udp_port_pos+1]; + dest_port = (pktdata[udp_port_pos+2] << 8) | pktdata[udp_port_pos+3]; + if (source_port == 0x0044 || dest_port == 0x0044) { + dump_hex = (pktdata[udp_port_pos+249] << 8) | + pktdata[udp_port_pos+250]; + if (dump_hex == 0x0101) { + DHD_ERROR(("DHCP[%s] - DISCOVER [TX]", ifname)); + } else if (dump_hex == 0x0102) { + DHD_ERROR(("DHCP[%s] - OFFER [TX]", ifname)); + } else if (dump_hex == 0x0103) { + DHD_ERROR(("DHCP[%s] - REQUEST [TX]", ifname)); + } else if (dump_hex == 0x0105) { + DHD_ERROR(("DHCP[%s] - ACK [TX]", ifname)); + } else { + DHD_ERROR(("DHCP[%s] - 0x%X [TX]", ifname, dump_hex)); + } +#ifdef DHD_LOSSLESS_ROAMING + if (dhdp->dequeue_prec_map != (uint8)ALLPRIO) { + DHD_ERROR(("/%d", dhdp->dequeue_prec_map)); + } +#endif /* DHD_LOSSLESS_ROAMING */ + DHD_ERROR(("\n")); + } else if (source_port == 0x0043 || dest_port == 0x0043) { + DHD_ERROR(("DHCP[%s] - BOOTP [RX]\n", ifname)); + } + } +#endif /* DHD_DHCP_DUMP */ + } else { + PKTCFREE(dhdp->osh, pktbuf, TRUE); + return BCME_ERROR; + } + + /* Look into the packet and update the packet priority */ +#ifndef PKTPRIO_OVERRIDE + if (PKTPRIO(pktbuf) == 0) +#endif /* !PKTPRIO_OVERRIDE */ + { +#ifdef QOS_MAP_SET + pktsetprio_qms(pktbuf, wl_get_up_table(DHD_GET_CFG80211_PRIV(dhdp)), FALSE); +#else + pktsetprio(pktbuf, FALSE); +#endif /* QOS_MAP_SET */ + } + + +#ifdef PCIE_FULL_DONGLE + /* + * Lkup the per interface hash table, for a matching flowring. If one is not + * available, allocate a unique flowid and add a flowring entry. + * The found or newly created flowid is placed into the pktbuf's tag. + */ + ret = dhd_flowid_update(dhdp, ifidx, dhdp->flow_prio_map[(PKTPRIO(pktbuf))], pktbuf); + if (ret != BCME_OK) { + PKTCFREE(dhd->pub.osh, pktbuf, TRUE); + return ret; + } +#endif + +#ifdef PROP_TXSTATUS + if (dhd_wlfc_is_supported(dhdp)) { + /* store the interface ID */ + DHD_PKTTAG_SETIF(PKTTAG(pktbuf), ifidx); + + /* store destination MAC in the tag as well */ + DHD_PKTTAG_SETDSTN(PKTTAG(pktbuf), eh->ether_dhost); + + /* decide which FIFO this packet belongs to */ + if (ETHER_ISMULTI(eh->ether_dhost)) + /* one additional queue index (highest AC + 1) is used for bc/mc queue */ + DHD_PKTTAG_SETFIFO(PKTTAG(pktbuf), AC_COUNT); + else + DHD_PKTTAG_SETFIFO(PKTTAG(pktbuf), WME_PRIO2AC(PKTPRIO(pktbuf))); + } else +#endif /* PROP_TXSTATUS */ + { + /* If the protocol uses a data header, apply it */ + dhd_prot_hdrpush(dhdp, ifidx, pktbuf); + } + + /* Use bus module to send data frame */ +#ifdef WLMEDIA_HTSF + dhd_htsf_addtxts(dhdp, pktbuf); +#endif +#if defined(DHD_8021X_DUMP) + ndev = dhd_idx2net(dhdp, ifidx); + dhd_tx_dump(ndev, dhdp->osh, pktbuf); +#endif +#ifdef PROP_TXSTATUS + { + if (dhd_wlfc_commit_packets(dhdp, (f_commitpkt_t)dhd_bus_txdata, + dhdp->bus, pktbuf, TRUE) == WLFC_UNSUPPORTED) { + /* non-proptxstatus way */ +#ifdef BCMPCIE + ret = dhd_bus_txdata(dhdp->bus, pktbuf, (uint8)ifidx); +#else + ret = dhd_bus_txdata(dhdp->bus, pktbuf); +#endif /* BCMPCIE */ + } + } +#else +#ifdef BCMPCIE + ret = dhd_bus_txdata(dhdp->bus, pktbuf, (uint8)ifidx); +#else + ret = dhd_bus_txdata(dhdp->bus, pktbuf); +#endif /* BCMPCIE */ +#endif /* PROP_TXSTATUS */ + + return ret; +} + +int BCMFASTPATH +dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, void *pktbuf) +{ + int ret = 0; + unsigned long flags; + + DHD_GENERAL_LOCK(dhdp, flags); + if (dhdp->busstate == DHD_BUS_DOWN || + dhdp->busstate == DHD_BUS_DOWN_IN_PROGRESS) { + DHD_ERROR(("%s: returning as busstate=%d\n", + __FUNCTION__, dhdp->busstate)); + DHD_GENERAL_UNLOCK(dhdp, flags); + PKTCFREE(dhdp->osh, pktbuf, TRUE); + return -ENODEV; + } + dhdp->dhd_bus_busy_state |= DHD_BUS_BUSY_IN_SEND_PKT; + DHD_GENERAL_UNLOCK(dhdp, flags); + +#ifdef DHD_PCIE_RUNTIMEPM + if (dhdpcie_runtime_bus_wake(dhdp, FALSE, __builtin_return_address(0))) { + DHD_ERROR(("%s : pcie is still in suspend state!!\n", __FUNCTION__)); + PKTCFREE(dhdp->osh, pktbuf, TRUE); + ret = -EBUSY; + goto exit; + } +#endif /* DHD_PCIE_RUNTIMEPM */ + + ret = __dhd_sendpkt(dhdp, ifidx, pktbuf); + +#ifdef DHD_PCIE_RUNTIMEPM +exit: +#endif + DHD_GENERAL_LOCK(dhdp, flags); + dhdp->dhd_bus_busy_state &= ~DHD_BUS_BUSY_IN_SEND_PKT; + DHD_GENERAL_UNLOCK(dhdp, flags); + return ret; +} + +int BCMFASTPATH +dhd_start_xmit(struct sk_buff *skb, struct net_device *net) +{ + int ret; + uint datalen; + void *pktbuf; + dhd_info_t *dhd = DHD_DEV_INFO(net); + dhd_if_t *ifp = NULL; + int ifidx; + unsigned long flags; +#ifdef WLMEDIA_HTSF + uint8 htsfdlystat_sz = dhd->pub.htsfdlystat_sz; +#else + uint8 htsfdlystat_sz = 0; +#endif +#ifdef DHD_WMF + struct ether_header *eh; + uint8 *iph; +#endif /* DHD_WMF */ + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + if (dhd_query_bus_erros(&dhd->pub)) { + return -ENODEV; + } + +#ifdef PCIE_FULL_DONGLE + DHD_GENERAL_LOCK(&dhd->pub, flags); + dhd->pub.dhd_bus_busy_state |= DHD_BUS_BUSY_IN_TX; + DHD_GENERAL_UNLOCK(&dhd->pub, flags); +#endif /* PCIE_FULL_DONGLE */ + +#ifdef DHD_PCIE_RUNTIMEPM + if (dhdpcie_runtime_bus_wake(&dhd->pub, FALSE, dhd_start_xmit)) { + /* In order to avoid pkt loss. Return NETDEV_TX_BUSY until run-time resumed. */ + /* stop the network queue temporarily until resume done */ + DHD_GENERAL_LOCK(&dhd->pub, flags); + if (!dhdpcie_is_resume_done(&dhd->pub)) { + dhd_bus_stop_queue(dhd->pub.bus); + } + dhd->pub.dhd_bus_busy_state &= ~DHD_BUS_BUSY_IN_TX; + dhd_os_busbusy_wake(&dhd->pub); + DHD_GENERAL_UNLOCK(&dhd->pub, flags); +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)) + return -ENODEV; +#else + return NETDEV_TX_BUSY; +#endif + } +#endif /* DHD_PCIE_RUNTIMEPM */ + + DHD_GENERAL_LOCK(&dhd->pub, flags); +#ifdef PCIE_FULL_DONGLE + if (dhd->pub.busstate == DHD_BUS_SUSPEND) { + dhd->pub.dhd_bus_busy_state &= ~DHD_BUS_BUSY_IN_TX; + dhd_os_busbusy_wake(&dhd->pub); + DHD_GENERAL_UNLOCK(&dhd->pub, flags); +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)) + return -ENODEV; +#else + return NETDEV_TX_BUSY; +#endif + } +#endif /* PCIE_FULL_DONGLE */ + + DHD_OS_WAKE_LOCK(&dhd->pub); + DHD_PERIM_LOCK_TRY(DHD_FWDER_UNIT(dhd), lock_taken); + + /* Reject if down */ + if (dhd->pub.hang_was_sent || dhd->pub.busstate == DHD_BUS_DOWN || + dhd->pub.busstate == DHD_BUS_DOWN_IN_PROGRESS) { + DHD_ERROR(("%s: xmit rejected pub.up=%d busstate=%d \n", + __FUNCTION__, dhd->pub.up, dhd->pub.busstate)); + netif_stop_queue(net); + /* Send Event when bus down detected during data session */ + if (dhd->pub.up && !dhd->pub.hang_was_sent) { + DHD_ERROR(("%s: Event HANG sent up\n", __FUNCTION__)); + dhd->pub.hang_reason = HANG_REASON_BUS_DOWN; + net_os_send_hang_message(net); + } +#ifdef PCIE_FULL_DONGLE + dhd->pub.dhd_bus_busy_state &= ~DHD_BUS_BUSY_IN_TX; + dhd_os_busbusy_wake(&dhd->pub); + DHD_GENERAL_UNLOCK(&dhd->pub, flags); +#endif /* PCIE_FULL_DONGLE */ + DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), lock_taken); + DHD_OS_WAKE_UNLOCK(&dhd->pub); +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)) + return -ENODEV; +#else + return NETDEV_TX_BUSY; +#endif + } + + ifp = DHD_DEV_IFP(net); + ifidx = DHD_DEV_IFIDX(net); + BUZZZ_LOG(START_XMIT_BGN, 2, (uint32)ifidx, (uintptr)skb); + + if (ifidx == DHD_BAD_IF) { + DHD_ERROR(("%s: bad ifidx %d\n", __FUNCTION__, ifidx)); + netif_stop_queue(net); +#ifdef PCIE_FULL_DONGLE + dhd->pub.dhd_bus_busy_state &= ~DHD_BUS_BUSY_IN_TX; + dhd_os_busbusy_wake(&dhd->pub); + DHD_GENERAL_UNLOCK(&dhd->pub, flags); +#endif /* PCIE_FULL_DONGLE */ + DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), lock_taken); + DHD_OS_WAKE_UNLOCK(&dhd->pub); +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)) + return -ENODEV; +#else + return NETDEV_TX_BUSY; +#endif + } + DHD_GENERAL_UNLOCK(&dhd->pub, flags); + + ASSERT(ifidx == dhd_net2idx(dhd, net)); + ASSERT((ifp != NULL) && ((ifidx < DHD_MAX_IFS) && (ifp == dhd->iflist[ifidx]))); + + bcm_object_trace_opr(skb, BCM_OBJDBG_ADD_PKT, __FUNCTION__, __LINE__); + + /* re-align socket buffer if "skb->data" is odd address */ + if (((unsigned long)(skb->data)) & 0x1) { + unsigned char *data = skb->data; + uint32 length = skb->len; + PKTPUSH(dhd->pub.osh, skb, 1); + memmove(skb->data, data, length); + PKTSETLEN(dhd->pub.osh, skb, length); + } + + datalen = PKTLEN(dhd->pub.osh, skb); + + /* Make sure there's enough room for any header */ + if (skb_headroom(skb) < dhd->pub.hdrlen + htsfdlystat_sz) { + struct sk_buff *skb2; + + DHD_INFO(("%s: insufficient headroom\n", + dhd_ifname(&dhd->pub, ifidx))); + dhd->pub.tx_realloc++; + + bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, __FUNCTION__, __LINE__); + skb2 = skb_realloc_headroom(skb, dhd->pub.hdrlen + htsfdlystat_sz); + + dev_kfree_skb(skb); + if ((skb = skb2) == NULL) { + DHD_ERROR(("%s: skb_realloc_headroom failed\n", + dhd_ifname(&dhd->pub, ifidx))); + ret = -ENOMEM; + goto done; + } + bcm_object_trace_opr(skb, BCM_OBJDBG_ADD_PKT, __FUNCTION__, __LINE__); + } + + /* Convert to packet */ + if (!(pktbuf = PKTFRMNATIVE(dhd->pub.osh, skb))) { + DHD_ERROR(("%s: PKTFRMNATIVE failed\n", + dhd_ifname(&dhd->pub, ifidx))); + bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, __FUNCTION__, __LINE__); + dev_kfree_skb_any(skb); + ret = -ENOMEM; + goto done; + } + +#if defined(WLMEDIA_HTSF) + if (htsfdlystat_sz && PKTLEN(dhd->pub.osh, pktbuf) >= ETHER_ADDR_LEN) { + uint8 *pktdata = (uint8 *)PKTDATA(dhd->pub.osh, pktbuf); + struct ether_header *eh = (struct ether_header *)pktdata; + + if (!ETHER_ISMULTI(eh->ether_dhost) && + (ntoh16(eh->ether_type) == ETHER_TYPE_IP)) { + eh->ether_type = hton16(ETHER_TYPE_BRCM_PKTDLYSTATS); + } + } +#endif + +#ifdef DHD_WMF + eh = (struct ether_header *)PKTDATA(dhd->pub.osh, pktbuf); + iph = (uint8 *)eh + ETHER_HDR_LEN; + + /* WMF processing for multicast packets + * Only IPv4 packets are handled + */ + if (ifp->wmf.wmf_enable && (ntoh16(eh->ether_type) == ETHER_TYPE_IP) && + (IP_VER(iph) == IP_VER_4) && (ETHER_ISMULTI(eh->ether_dhost) || + ((IPV4_PROT(iph) == IP_PROT_IGMP) && dhd->pub.wmf_ucast_igmp))) { +#if defined(DHD_IGMP_UCQUERY) || defined(DHD_UCAST_UPNP) + void *sdu_clone; + bool ucast_convert = FALSE; +#ifdef DHD_UCAST_UPNP + uint32 dest_ip; + + dest_ip = ntoh32(*((uint32 *)(iph + IPV4_DEST_IP_OFFSET))); + ucast_convert = dhd->pub.wmf_ucast_upnp && MCAST_ADDR_UPNP_SSDP(dest_ip); +#endif /* DHD_UCAST_UPNP */ +#ifdef DHD_IGMP_UCQUERY + ucast_convert |= dhd->pub.wmf_ucast_igmp_query && + (IPV4_PROT(iph) == IP_PROT_IGMP) && + (*(iph + IPV4_HLEN(iph)) == IGMPV2_HOST_MEMBERSHIP_QUERY); +#endif /* DHD_IGMP_UCQUERY */ + if (ucast_convert) { + dhd_sta_t *sta; +#ifdef PCIE_FULL_DONGLE + unsigned long flags; +#endif + struct list_head snapshot_list; + struct list_head *wmf_ucforward_list; + + ret = NETDEV_TX_OK; + + /* For non BCM_GMAC3 platform we need a snapshot sta_list to + * resolve double DHD_IF_STA_LIST_LOCK call deadlock issue. + */ + wmf_ucforward_list = DHD_IF_WMF_UCFORWARD_LOCK(dhd, ifp, &snapshot_list); + + /* Convert upnp/igmp query to unicast for each assoc STA */ + list_for_each_entry(sta, wmf_ucforward_list, list) { + if ((sdu_clone = PKTDUP(dhd->pub.osh, pktbuf)) == NULL) { + ret = WMF_NOP; + break; + } + dhd_wmf_forward(ifp->wmf.wmfh, sdu_clone, 0, sta, 1); + } + DHD_IF_WMF_UCFORWARD_UNLOCK(dhd, wmf_ucforward_list); + +#ifdef PCIE_FULL_DONGLE + DHD_GENERAL_LOCK(&dhd->pub, flags); + dhd->pub.dhd_bus_busy_state &= ~DHD_BUS_BUSY_IN_TX; + dhd_os_busbusy_wake(&dhd->pub); + DHD_GENERAL_UNLOCK(&dhd->pub, flags); +#endif /* PCIE_FULL_DONGLE */ + DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), lock_taken); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + + if (ret == NETDEV_TX_OK) + PKTFREE(dhd->pub.osh, pktbuf, TRUE); + + return ret; + } else +#endif /* defined(DHD_IGMP_UCQUERY) || defined(DHD_UCAST_UPNP) */ + { + /* There will be no STA info if the packet is coming from LAN host + * Pass as NULL + */ + ret = dhd_wmf_packets_handle(&dhd->pub, pktbuf, NULL, ifidx, 0); + switch (ret) { + case WMF_TAKEN: + case WMF_DROP: + /* Either taken by WMF or we should drop it. + * Exiting send path + */ +#ifdef PCIE_FULL_DONGLE + DHD_GENERAL_LOCK(&dhd->pub, flags); + dhd->pub.dhd_bus_busy_state &= ~DHD_BUS_BUSY_IN_TX; + dhd_os_busbusy_wake(&dhd->pub); + DHD_GENERAL_UNLOCK(&dhd->pub, flags); +#endif /* PCIE_FULL_DONGLE */ + DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), lock_taken); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + return NETDEV_TX_OK; + default: + /* Continue the transmit path */ + break; + } + } + } +#endif /* DHD_WMF */ +#ifdef DHD_PSTA + /* PSR related packet proto manipulation should be done in DHD + * since dongle doesn't have complete payload + */ + if (PSR_ENABLED(&dhd->pub) && (dhd_psta_proc(&dhd->pub, + ifidx, &pktbuf, TRUE) < 0)) { + DHD_ERROR(("%s:%s: psta send proc failed\n", __FUNCTION__, + dhd_ifname(&dhd->pub, ifidx))); + } +#endif /* DHD_PSTA */ + +#ifdef DHDTCPACK_SUPPRESS + if (dhd->pub.tcpack_sup_mode == TCPACK_SUP_HOLD) { + /* If this packet has been hold or got freed, just return */ + if (dhd_tcpack_hold(&dhd->pub, pktbuf, ifidx)) { + ret = 0; + goto done; + } + } else { + /* If this packet has replaced another packet and got freed, just return */ + if (dhd_tcpack_suppress(&dhd->pub, pktbuf)) { + ret = 0; + goto done; + } + } +#endif /* DHDTCPACK_SUPPRESS */ + + ret = __dhd_sendpkt(&dhd->pub, ifidx, pktbuf); + +done: + if (ret) { + ifp->stats.tx_dropped++; + dhd->pub.tx_dropped++; + } else { + +#ifdef PROP_TXSTATUS + /* tx_packets counter can counted only when wlfc is disabled */ + if (!dhd_wlfc_is_supported(&dhd->pub)) +#endif + { + dhd->pub.tx_packets++; + ifp->stats.tx_packets++; + ifp->stats.tx_bytes += datalen; + } + } + +#ifdef PCIE_FULL_DONGLE + DHD_GENERAL_LOCK(&dhd->pub, flags); + dhd->pub.dhd_bus_busy_state &= ~DHD_BUS_BUSY_IN_TX; + dhd_os_busbusy_wake(&dhd->pub); + DHD_GENERAL_UNLOCK(&dhd->pub, flags); +#endif /* PCIE_FULL_DONGLE */ + + DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), lock_taken); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + BUZZZ_LOG(START_XMIT_END, 0); + + /* Return ok: we always eat the packet */ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)) + return 0; +#else + return NETDEV_TX_OK; +#endif +} + + +void +dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool state) +{ + struct net_device *net; + dhd_info_t *dhd = dhdp->info; + int i; + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + ASSERT(dhd); + +#ifdef DHD_LOSSLESS_ROAMING + /* block flowcontrol during roaming */ + if ((dhdp->dequeue_prec_map == 1 << PRIO_8021D_NC) && state == ON) { + return; + } +#endif + + if (ifidx == ALL_INTERFACES) { + /* Flow control on all active interfaces */ + dhdp->txoff = state; + for (i = 0; i < DHD_MAX_IFS; i++) { + if (dhd->iflist[i]) { + net = dhd->iflist[i]->net; + if (state == ON) + netif_stop_queue(net); + else + netif_wake_queue(net); + } + } + } else { + if (dhd->iflist[ifidx]) { + net = dhd->iflist[ifidx]->net; + if (state == ON) + netif_stop_queue(net); + else + netif_wake_queue(net); + } + } +} + +#ifdef DHD_RX_DUMP +typedef struct { + uint16 type; + const char *str; +} PKTTYPE_INFO; + +static const PKTTYPE_INFO packet_type_info[] = +{ + { ETHER_TYPE_IP, "IP" }, + { ETHER_TYPE_ARP, "ARP" }, + { ETHER_TYPE_BRCM, "BRCM" }, + { ETHER_TYPE_802_1X, "802.1X" }, +#ifdef BCMWAPI_WAI + { ETHER_TYPE_WAI, "WAPI" }, +#endif /* BCMWAPI_WAI */ + { 0, ""} +}; + +static const char *_get_packet_type_str(uint16 type) +{ + int i; + int n = sizeof(packet_type_info)/sizeof(packet_type_info[1]) - 1; + + for (i = 0; i < n; i++) { + if (packet_type_info[i].type == type) + return packet_type_info[i].str; + } + + return packet_type_info[n].str; +} +#endif /* DHD_RX_DUMP */ + + +#ifdef DHD_WMF +bool +dhd_is_rxthread_enabled(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd = dhdp->info; + + return dhd->rxthread_enabled; +} +#endif /* DHD_WMF */ + +/** Called when a frame is received by the dongle on interface 'ifidx' */ +void +dhd_rx_frame(dhd_pub_t *dhdp, int ifidx, void *pktbuf, int numpkt, uint8 chan) +{ + dhd_info_t *dhd = (dhd_info_t *)dhdp->info; + struct sk_buff *skb; + uchar *eth; + uint len; + void *data, *pnext = NULL; + int i; + dhd_if_t *ifp; + wl_event_msg_t event; + int tout_rx = 0; + int tout_ctrl = 0; + void *skbhead = NULL; + void *skbprev = NULL; +#if defined(DHD_RX_DUMP) || defined(DHD_8021X_DUMP) || defined(DHD_DHCP_DUMP) + char *dump_data; + uint16 protocol; + char *ifname; +#endif /* DHD_RX_DUMP || DHD_8021X_DUMP || DHD_DHCP_DUMP */ + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + for (i = 0; pktbuf && i < numpkt; i++, pktbuf = pnext) { + struct ether_header *eh; + + pnext = PKTNEXT(dhdp->osh, pktbuf); + PKTSETNEXT(dhdp->osh, pktbuf, NULL); + + ifp = dhd->iflist[ifidx]; + if (ifp == NULL) { + DHD_ERROR(("%s: ifp is NULL. drop packet\n", + __FUNCTION__)); + PKTCFREE(dhdp->osh, pktbuf, FALSE); + continue; + } + + eh = (struct ether_header *)PKTDATA(dhdp->osh, pktbuf); + + /* Dropping only data packets before registering net device to avoid kernel panic */ +#ifndef PROP_TXSTATUS_VSDB + if ((!ifp->net || ifp->net->reg_state != NETREG_REGISTERED) && + (ntoh16(eh->ether_type) != ETHER_TYPE_BRCM)) { +#else + if ((!ifp->net || ifp->net->reg_state != NETREG_REGISTERED || !dhd->pub.up) && + (ntoh16(eh->ether_type) != ETHER_TYPE_BRCM)) { +#endif /* PROP_TXSTATUS_VSDB */ + DHD_ERROR(("%s: net device is NOT registered yet. drop packet\n", + __FUNCTION__)); + PKTCFREE(dhdp->osh, pktbuf, FALSE); + continue; + } + + +#ifdef PROP_TXSTATUS + if (dhd_wlfc_is_header_only_pkt(dhdp, pktbuf)) { + /* WLFC may send header only packet when + there is an urgent message but no packet to + piggy-back on + */ + PKTCFREE(dhdp->osh, pktbuf, FALSE); + continue; + } +#endif +#ifdef DHD_L2_FILTER + /* If block_ping is enabled drop the ping packet */ + if (ifp->block_ping) { + if (bcm_l2_filter_block_ping(dhdp->osh, pktbuf) == BCME_OK) { + PKTCFREE(dhdp->osh, pktbuf, FALSE); + continue; + } + } + if (ifp->grat_arp && DHD_IF_ROLE_STA(dhdp, ifidx)) { + if (bcm_l2_filter_gratuitous_arp(dhdp->osh, pktbuf) == BCME_OK) { + PKTCFREE(dhdp->osh, pktbuf, FALSE); + continue; + } + } + if (ifp->parp_enable && DHD_IF_ROLE_AP(dhdp, ifidx)) { + int ret = dhd_l2_filter_pkt_handle(dhdp, ifidx, pktbuf, FALSE); + + /* Drop the packets if l2 filter has processed it already + * otherwise continue with the normal path + */ + if (ret == BCME_OK) { + PKTCFREE(dhdp->osh, pktbuf, TRUE); + continue; + } + } +#endif /* DHD_L2_FILTER */ +#ifdef DHD_WMF + /* WMF processing for multicast packets */ + if (ifp->wmf.wmf_enable && (ETHER_ISMULTI(eh->ether_dhost))) { + dhd_sta_t *sta; + int ret; + + sta = dhd_find_sta(dhdp, ifidx, (void *)eh->ether_shost); + ret = dhd_wmf_packets_handle(dhdp, pktbuf, sta, ifidx, 1); + switch (ret) { + case WMF_TAKEN: + /* The packet is taken by WMF. Continue to next iteration */ + continue; + case WMF_DROP: + /* Packet DROP decision by WMF. Toss it */ + DHD_ERROR(("%s: WMF decides to drop packet\n", + __FUNCTION__)); + PKTCFREE(dhdp->osh, pktbuf, FALSE); + continue; + default: + /* Continue the transmit path */ + break; + } + } +#endif /* DHD_WMF */ + +#ifdef DHDTCPACK_SUPPRESS + dhd_tcpdata_info_get(dhdp, pktbuf); +#endif + skb = PKTTONATIVE(dhdp->osh, pktbuf); + + ASSERT(ifp); + skb->dev = ifp->net; + +#ifdef DHD_PSTA + if (PSR_ENABLED(dhdp) && (dhd_psta_proc(dhdp, ifidx, &pktbuf, FALSE) < 0)) { + DHD_ERROR(("%s:%s: psta recv proc failed\n", __FUNCTION__, + dhd_ifname(dhdp, ifidx))); + } +#endif /* DHD_PSTA */ + +#ifdef PCIE_FULL_DONGLE + if ((DHD_IF_ROLE_AP(dhdp, ifidx) || DHD_IF_ROLE_P2PGO(dhdp, ifidx)) && + (!ifp->ap_isolate)) { + eh = (struct ether_header *)PKTDATA(dhdp->osh, pktbuf); + if (ETHER_ISUCAST(eh->ether_dhost)) { + if (dhd_find_sta(dhdp, ifidx, (void *)eh->ether_dhost)) { + dhd_sendpkt(dhdp, ifidx, pktbuf); + continue; + } + } else { + void *npktbuf = PKTDUP(dhdp->osh, pktbuf); + if (npktbuf) + dhd_sendpkt(dhdp, ifidx, npktbuf); + } + } +#endif /* PCIE_FULL_DONGLE */ + + /* Get the protocol, maintain skb around eth_type_trans() + * The main reason for this hack is for the limitation of + * Linux 2.4 where 'eth_type_trans' uses the 'net->hard_header_len' + * to perform skb_pull inside vs ETH_HLEN. Since to avoid + * coping of the packet coming from the network stack to add + * BDC, Hardware header etc, during network interface registration + * we set the 'net->hard_header_len' to ETH_HLEN + extra space required + * for BDC, Hardware header etc. and not just the ETH_HLEN + */ + eth = skb->data; + len = skb->len; + +#if defined(DHD_RX_DUMP) || defined(DHD_8021X_DUMP) || defined(DHD_DHCP_DUMP) + dump_data = skb->data; + protocol = (dump_data[12] << 8) | dump_data[13]; + ifname = skb->dev ? skb->dev->name : "N/A"; +#endif /* DHD_RX_DUMP || DHD_8021X_DUMP || DHD_DHCP_DUMP */ +#ifdef DHD_8021X_DUMP + if (protocol == ETHER_TYPE_802_1X) { + dhd_dump_eapol_4way_message(ifname, dump_data, FALSE); + } +#endif /* DHD_8021X_DUMP */ +#ifdef DHD_DHCP_DUMP + if (protocol != ETHER_TYPE_BRCM && protocol == ETHER_TYPE_IP) { + uint16 dump_hex; + uint16 source_port; + uint16 dest_port; + uint16 udp_port_pos; + uint8 *ptr8 = (uint8 *)&dump_data[ETHER_HDR_LEN]; + uint8 ip_header_len = (*ptr8 & 0x0f)<<2; + + udp_port_pos = ETHER_HDR_LEN + ip_header_len; + source_port = (dump_data[udp_port_pos] << 8) | dump_data[udp_port_pos+1]; + dest_port = (dump_data[udp_port_pos+2] << 8) | dump_data[udp_port_pos+3]; + if (source_port == 0x0044 || dest_port == 0x0044) { + dump_hex = (dump_data[udp_port_pos+249] << 8) | + dump_data[udp_port_pos+250]; + if (dump_hex == 0x0101) { + DHD_ERROR(("DHCP[%s] - DISCOVER [RX]\n", ifname)); + } else if (dump_hex == 0x0102) { + DHD_ERROR(("DHCP[%s] - OFFER [RX]\n", ifname)); + } else if (dump_hex == 0x0103) { + DHD_ERROR(("DHCP[%s] - REQUEST [RX]\n", ifname)); + } else if (dump_hex == 0x0105) { + DHD_ERROR(("DHCP[%s] - ACK [RX]\n", ifname)); + } else { + DHD_ERROR(("DHCP[%s] - 0x%X [RX]\n", ifname, dump_hex)); + } + } else if (source_port == 0x0043 || dest_port == 0x0043) { + DHD_ERROR(("DHCP[%s] - BOOTP [RX]\n", ifname)); + } + } +#endif /* DHD_DHCP_DUMP */ +#if defined(DHD_RX_DUMP) + DHD_ERROR(("RX DUMP[%s] - %s\n", ifname, _get_packet_type_str(protocol))); + if (protocol != ETHER_TYPE_BRCM) { + if (dump_data[0] == 0xFF) { + DHD_ERROR(("%s: BROADCAST\n", __FUNCTION__)); + + if ((dump_data[12] == 8) && + (dump_data[13] == 6)) { + DHD_ERROR(("%s: ARP %d\n", + __FUNCTION__, dump_data[0x15])); + } + } else if (dump_data[0] & 1) { + DHD_ERROR(("%s: MULTICAST: " MACDBG "\n", + __FUNCTION__, MAC2STRDBG(dump_data))); + } +#ifdef DHD_RX_FULL_DUMP + { + int k; + for (k = 0; k < skb->len; k++) { + DHD_ERROR(("%02X ", dump_data[k])); + if ((k & 15) == 15) + DHD_ERROR(("\n")); + } + DHD_ERROR(("\n")); + } +#endif /* DHD_RX_FULL_DUMP */ + } +#endif /* DHD_RX_DUMP */ + + skb->protocol = eth_type_trans(skb, skb->dev); + + if (skb->pkt_type == PACKET_MULTICAST) { + dhd->pub.rx_multicast++; + ifp->stats.multicast++; + } + + skb->data = eth; + skb->len = len; + +#ifdef WLMEDIA_HTSF + dhd_htsf_addrxts(dhdp, pktbuf); +#endif + /* Strip header, count, deliver upward */ + skb_pull(skb, ETH_HLEN); + + /* Process special event packets and then discard them */ + memset(&event, 0, sizeof(event)); + if (ntoh16(skb->protocol) == ETHER_TYPE_BRCM) { + dhd_wl_host_event(dhd, &ifidx, +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22) + skb_mac_header(skb), +#else + skb->mac.raw, +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22) */ + len > ETHER_TYPE_LEN ? len - ETHER_TYPE_LEN : 0, + &event, + &data); + + wl_event_to_host_order(&event); + if (!tout_ctrl) + tout_ctrl = DHD_PACKET_TIMEOUT_MS; + +#if defined(PNO_SUPPORT) + if (event.event_type == WLC_E_PFN_NET_FOUND) { + /* enforce custom wake lock to garantee that Kernel not suspended */ + tout_ctrl = CUSTOM_PNO_EVENT_LOCK_xTIME * DHD_PACKET_TIMEOUT_MS; + } +#endif /* PNO_SUPPORT */ + +#ifdef DHD_DONOT_FORWARD_BCMEVENT_AS_NETWORK_PKT +#ifdef DHD_USE_STATIC_CTRLBUF + PKTFREE_STATIC(dhdp->osh, pktbuf, FALSE); +#else + PKTFREE(dhdp->osh, pktbuf, FALSE); +#endif /* DHD_USE_STATIC_CTRLBUF */ + continue; +#endif /* DHD_DONOT_FORWARD_BCMEVENT_AS_NETWORK_PKT */ + } else { + tout_rx = DHD_PACKET_TIMEOUT_MS; + +#ifdef PROP_TXSTATUS + dhd_wlfc_save_rxpath_ac_time(dhdp, (uint8)PKTPRIO(skb)); +#endif /* PROP_TXSTATUS */ + } + + ASSERT(ifidx < DHD_MAX_IFS && dhd->iflist[ifidx]); + ifp = dhd->iflist[ifidx]; + + if (ifp->net) + ifp->net->last_rx = jiffies; + + if (ntoh16(skb->protocol) != ETHER_TYPE_BRCM) { + dhdp->dstats.rx_bytes += skb->len; + dhdp->rx_packets++; /* Local count */ + ifp->stats.rx_bytes += skb->len; + ifp->stats.rx_packets++; + } + + if (in_interrupt()) { + bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, + __FUNCTION__, __LINE__); + DHD_PERIM_UNLOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); +#if defined(DHD_LB) && defined(DHD_LB_RXP) + netif_receive_skb(skb); +#else + netif_rx(skb); +#endif /* !defined(DHD_LB) && !defined(DHD_LB_RXP) */ + DHD_PERIM_LOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); + } else { + if (dhd->rxthread_enabled) { + if (!skbhead) + skbhead = skb; + else + PKTSETNEXT(dhdp->osh, skbprev, skb); + skbprev = skb; + } else { + + /* If the receive is not processed inside an ISR, + * the softirqd must be woken explicitly to service + * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled + * by netif_rx_ni(), but in earlier kernels, we need + * to do it manually. + */ + bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, + __FUNCTION__, __LINE__); + +#if defined(DHD_LB) && defined(DHD_LB_RXP) + DHD_PERIM_UNLOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); + netif_receive_skb(skb); + DHD_PERIM_LOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); +#else +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) + DHD_PERIM_UNLOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); + netif_rx_ni(skb); + DHD_PERIM_LOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); +#else + ulong flags; + DHD_PERIM_UNLOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); + netif_rx(skb); + DHD_PERIM_LOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); + local_irq_save(flags); + RAISE_RX_SOFTIRQ(); + local_irq_restore(flags); +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) */ +#endif /* !defined(DHD_LB) && !defined(DHD_LB_RXP) */ + } + } + } + + if (dhd->rxthread_enabled && skbhead) + dhd_sched_rxf(dhdp, skbhead); + + DHD_OS_WAKE_LOCK_RX_TIMEOUT_ENABLE(dhdp, tout_rx); + DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(dhdp, tout_ctrl); + DHD_OS_WAKE_LOCK_TIMEOUT(dhdp); +} + +void +dhd_event(struct dhd_info *dhd, char *evpkt, uint evlen, int ifidx) +{ + /* Linux version has nothing to do */ + return; +} + +void +dhd_txcomplete(dhd_pub_t *dhdp, void *txp, bool success) +{ + dhd_info_t *dhd = (dhd_info_t *)(dhdp->info); + struct ether_header *eh; + uint16 type; + + dhd_prot_hdrpull(dhdp, NULL, txp, NULL, NULL); + + eh = (struct ether_header *)PKTDATA(dhdp->osh, txp); + type = ntoh16(eh->ether_type); + + if ((type == ETHER_TYPE_802_1X) && (dhd_get_pend_8021x_cnt(dhd) > 0)) + atomic_dec(&dhd->pend_8021x_cnt); + +#ifdef PROP_TXSTATUS + if (dhdp->wlfc_state && (dhdp->proptxstatus_mode != WLFC_FCMODE_NONE)) { + dhd_if_t *ifp = dhd->iflist[DHD_PKTTAG_IF(PKTTAG(txp))]; + uint datalen = PKTLEN(dhd->pub.osh, txp); + if (ifp != NULL) { + if (success) { + dhd->pub.tx_packets++; + ifp->stats.tx_packets++; + ifp->stats.tx_bytes += datalen; + } else { + ifp->stats.tx_dropped++; + } + } + } +#endif +} + +static struct net_device_stats * +dhd_get_stats(struct net_device *net) +{ + dhd_info_t *dhd = DHD_DEV_INFO(net); + dhd_if_t *ifp; + int ifidx; + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + ifidx = dhd_net2idx(dhd, net); + if (ifidx == DHD_BAD_IF) { + DHD_ERROR(("%s: BAD_IF\n", __FUNCTION__)); + + memset(&net->stats, 0, sizeof(net->stats)); + return &net->stats; + } + + ifp = dhd->iflist[ifidx]; + ASSERT(dhd && ifp); + + if (dhd->pub.up) { + /* Use the protocol to get dongle stats */ + dhd_prot_dstats(&dhd->pub); + } + return &ifp->stats; +} + +static int +dhd_watchdog_thread(void *data) +{ + tsk_ctl_t *tsk = (tsk_ctl_t *)data; + dhd_info_t *dhd = (dhd_info_t *)tsk->parent; + /* This thread doesn't need any user-level access, + * so get rid of all our resources + */ + if (dhd_watchdog_prio > 0) { + struct sched_param param; + param.sched_priority = (dhd_watchdog_prio < MAX_RT_PRIO)? + dhd_watchdog_prio:(MAX_RT_PRIO-1); + setScheduler(current, SCHED_FIFO, ¶m); + } + + while (1) { + if (down_interruptible (&tsk->sema) == 0) { + unsigned long flags; + unsigned long jiffies_at_start = jiffies; + unsigned long time_lapse; + + DHD_OS_WD_WAKE_LOCK(&dhd->pub); + SMP_RD_BARRIER_DEPENDS(); + if (tsk->terminated) { + DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); + break; + } + + if (dhd->pub.dongle_reset == FALSE) { + DHD_TIMER(("%s:\n", __FUNCTION__)); + dhd_bus_watchdog(&dhd->pub); + + DHD_GENERAL_LOCK(&dhd->pub, flags); + /* Count the tick for reference */ + dhd->pub.tickcnt++; +#ifdef DHD_L2_FILTER + dhd_l2_filter_watchdog(&dhd->pub); +#endif /* DHD_L2_FILTER */ + time_lapse = jiffies - jiffies_at_start; + + /* Reschedule the watchdog */ + if (dhd->wd_timer_valid) { + mod_timer(&dhd->timer, + jiffies + + msecs_to_jiffies(dhd_watchdog_ms) - + min(msecs_to_jiffies(dhd_watchdog_ms), time_lapse)); + } + DHD_GENERAL_UNLOCK(&dhd->pub, flags); + } + DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); + } else { + break; + } + } + + complete_and_exit(&tsk->completed, 0); +} + +static void dhd_watchdog(ulong data) +{ + dhd_info_t *dhd = (dhd_info_t *)data; + unsigned long flags; + + if (dhd->pub.dongle_reset) { + return; + } + + if (dhd->pub.busstate == DHD_BUS_SUSPEND) { + DHD_ERROR(("%s wd while suspend in progress \n", __FUNCTION__)); + return; + } + + if (dhd->thr_wdt_ctl.thr_pid >= 0) { + up(&dhd->thr_wdt_ctl.sema); + return; + } + + DHD_OS_WD_WAKE_LOCK(&dhd->pub); + /* Call the bus module watchdog */ + dhd_bus_watchdog(&dhd->pub); + DHD_GENERAL_LOCK(&dhd->pub, flags); + /* Count the tick for reference */ + dhd->pub.tickcnt++; + +#ifdef DHD_L2_FILTER + dhd_l2_filter_watchdog(&dhd->pub); +#endif /* DHD_L2_FILTER */ + /* Reschedule the watchdog */ + if (dhd->wd_timer_valid) + mod_timer(&dhd->timer, jiffies + msecs_to_jiffies(dhd_watchdog_ms)); + DHD_GENERAL_UNLOCK(&dhd->pub, flags); + DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); +} + +#ifdef DHD_PCIE_RUNTIMEPM +static int +dhd_rpm_state_thread(void *data) +{ + tsk_ctl_t *tsk = (tsk_ctl_t *)data; + dhd_info_t *dhd = (dhd_info_t *)tsk->parent; + + while (1) { + if (down_interruptible (&tsk->sema) == 0) { + unsigned long flags; + unsigned long jiffies_at_start = jiffies; + unsigned long time_lapse; + + SMP_RD_BARRIER_DEPENDS(); + if (tsk->terminated) { + break; + } + + if (dhd->pub.dongle_reset == FALSE) { + DHD_TIMER(("%s:\n", __FUNCTION__)); + if (dhd->pub.up) { + dhd_runtimepm_state(&dhd->pub); + } + + DHD_GENERAL_LOCK(&dhd->pub, flags); + time_lapse = jiffies - jiffies_at_start; + + /* Reschedule the watchdog */ + if (dhd->rpm_timer_valid) { + mod_timer(&dhd->rpm_timer, + jiffies + + msecs_to_jiffies(dhd_runtimepm_ms) - + min(msecs_to_jiffies(dhd_runtimepm_ms), + time_lapse)); + } + DHD_GENERAL_UNLOCK(&dhd->pub, flags); + } + } else { + break; + } + } + + complete_and_exit(&tsk->completed, 0); +} + +static void dhd_runtimepm(ulong data) +{ + dhd_info_t *dhd = (dhd_info_t *)data; + + if (dhd->pub.dongle_reset) { + return; + } + + if (dhd->thr_rpm_ctl.thr_pid >= 0) { + up(&dhd->thr_rpm_ctl.sema); + return; + } +} + +void dhd_runtime_pm_disable(dhd_pub_t *dhdp) +{ + dhd_os_runtimepm_timer(dhdp, 0); + dhdpcie_runtime_bus_wake(dhdp, TRUE, __builtin_return_address(0)); + DHD_ERROR(("DHD Runtime PM Disabled \n")); +} + +void dhd_runtime_pm_enable(dhd_pub_t *dhdp) +{ + dhd_os_runtimepm_timer(dhdp, dhd_runtimepm_ms); + DHD_ERROR(("DHD Runtime PM Enabled \n")); +} + +#endif /* DHD_PCIE_RUNTIMEPM */ + + +#ifdef ENABLE_ADAPTIVE_SCHED +static void +dhd_sched_policy(int prio) +{ + struct sched_param param; + if (cpufreq_quick_get(0) <= CUSTOM_CPUFREQ_THRESH) { + param.sched_priority = 0; + setScheduler(current, SCHED_NORMAL, ¶m); + } else { + if (get_scheduler_policy(current) != SCHED_FIFO) { + param.sched_priority = (prio < MAX_RT_PRIO)? prio : (MAX_RT_PRIO-1); + setScheduler(current, SCHED_FIFO, ¶m); + } + } +} +#endif /* ENABLE_ADAPTIVE_SCHED */ +#ifdef DEBUG_CPU_FREQ +static int dhd_cpufreq_notifier(struct notifier_block *nb, unsigned long val, void *data) +{ + dhd_info_t *dhd = container_of(nb, struct dhd_info, freq_trans); + struct cpufreq_freqs *freq = data; + if (dhd) { + if (!dhd->new_freq) + goto exit; + if (val == CPUFREQ_POSTCHANGE) { + DHD_ERROR(("cpu freq is changed to %u kHZ on CPU %d\n", + freq->new, freq->cpu)); + *per_cpu_ptr(dhd->new_freq, freq->cpu) = freq->new; + } + } +exit: + return 0; +} +#endif /* DEBUG_CPU_FREQ */ +static int +dhd_dpc_thread(void *data) +{ + tsk_ctl_t *tsk = (tsk_ctl_t *)data; + dhd_info_t *dhd = (dhd_info_t *)tsk->parent; + + /* This thread doesn't need any user-level access, + * so get rid of all our resources + */ + if (dhd_dpc_prio > 0) + { + struct sched_param param; + param.sched_priority = (dhd_dpc_prio < MAX_RT_PRIO)?dhd_dpc_prio:(MAX_RT_PRIO-1); + setScheduler(current, SCHED_FIFO, ¶m); + } + +#ifdef CUSTOM_DPC_CPUCORE + set_cpus_allowed_ptr(current, cpumask_of(CUSTOM_DPC_CPUCORE)); +#endif +#ifdef CUSTOM_SET_CPUCORE + dhd->pub.current_dpc = current; +#endif /* CUSTOM_SET_CPUCORE */ + /* Run until signal received */ + while (1) { + if (!binary_sema_down(tsk)) { +#ifdef ENABLE_ADAPTIVE_SCHED + dhd_sched_policy(dhd_dpc_prio); +#endif /* ENABLE_ADAPTIVE_SCHED */ + SMP_RD_BARRIER_DEPENDS(); + if (tsk->terminated) { + break; + } + + /* Call bus dpc unless it indicated down (then clean stop) */ + if (dhd->pub.busstate != DHD_BUS_DOWN) { +#ifdef DEBUG_DPC_THREAD_WATCHDOG + int resched_cnt = 0; +#endif /* DEBUG_DPC_THREAD_WATCHDOG */ + dhd_os_wd_timer_extend(&dhd->pub, TRUE); + while (dhd_bus_dpc(dhd->pub.bus)) { + /* process all data */ +#ifdef DEBUG_DPC_THREAD_WATCHDOG + resched_cnt++; + if (resched_cnt > MAX_RESCHED_CNT) { + DHD_INFO(("%s Calling msleep to" + "let other processes run. \n", + __FUNCTION__)); + dhd->pub.dhd_bug_on = true; + resched_cnt = 0; + OSL_SLEEP(1); + } +#endif /* DEBUG_DPC_THREAD_WATCHDOG */ + } + dhd_os_wd_timer_extend(&dhd->pub, FALSE); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + } else { + if (dhd->pub.up) + dhd_bus_stop(dhd->pub.bus, TRUE); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + } + } else { + break; + } + } + complete_and_exit(&tsk->completed, 0); +} + +static int +dhd_rxf_thread(void *data) +{ + tsk_ctl_t *tsk = (tsk_ctl_t *)data; + dhd_info_t *dhd = (dhd_info_t *)tsk->parent; +#if defined(WAIT_DEQUEUE) +#define RXF_WATCHDOG_TIME 250 /* BARK_TIME(1000) / */ + ulong watchdogTime = OSL_SYSUPTIME(); /* msec */ +#endif + dhd_pub_t *pub = &dhd->pub; + + /* This thread doesn't need any user-level access, + * so get rid of all our resources + */ + if (dhd_rxf_prio > 0) + { + struct sched_param param; + param.sched_priority = (dhd_rxf_prio < MAX_RT_PRIO)?dhd_rxf_prio:(MAX_RT_PRIO-1); + setScheduler(current, SCHED_FIFO, ¶m); + } + + DAEMONIZE("dhd_rxf"); + /* DHD_OS_WAKE_LOCK is called in dhd_sched_dpc[dhd_linux.c] down below */ + + /* signal: thread has started */ + complete(&tsk->completed); +#ifdef CUSTOM_SET_CPUCORE + dhd->pub.current_rxf = current; +#endif /* CUSTOM_SET_CPUCORE */ + /* Run until signal received */ + while (1) { + if (down_interruptible(&tsk->sema) == 0) { + void *skb; +#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0) + ulong flags; +#endif +#ifdef ENABLE_ADAPTIVE_SCHED + dhd_sched_policy(dhd_rxf_prio); +#endif /* ENABLE_ADAPTIVE_SCHED */ + + SMP_RD_BARRIER_DEPENDS(); + + if (tsk->terminated) { + break; + } + skb = dhd_rxf_dequeue(pub); + + if (skb == NULL) { + continue; + } + while (skb) { + void *skbnext = PKTNEXT(pub->osh, skb); + PKTSETNEXT(pub->osh, skb, NULL); + bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, + __FUNCTION__, __LINE__); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) + netif_rx_ni(skb); +#else + netif_rx(skb); + local_irq_save(flags); + RAISE_RX_SOFTIRQ(); + local_irq_restore(flags); + +#endif + skb = skbnext; + } +#if defined(WAIT_DEQUEUE) + if (OSL_SYSUPTIME() - watchdogTime > RXF_WATCHDOG_TIME) { + OSL_SLEEP(1); + watchdogTime = OSL_SYSUPTIME(); + } +#endif + + DHD_OS_WAKE_UNLOCK(pub); + } else { + break; + } + } + complete_and_exit(&tsk->completed, 0); +} + +#ifdef BCMPCIE +void dhd_dpc_enable(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd; + + if (!dhdp || !dhdp->info) + return; + dhd = dhdp->info; + +#ifdef DHD_LB +#ifdef DHD_LB_RXP + __skb_queue_head_init(&dhd->rx_pend_queue); +#endif /* DHD_LB_RXP */ +#ifdef DHD_LB_TXC + if (atomic_read(&dhd->tx_compl_tasklet.count) == 1) + tasklet_enable(&dhd->tx_compl_tasklet); +#endif /* DHD_LB_TXC */ +#ifdef DHD_LB_RXC + if (atomic_read(&dhd->rx_compl_tasklet.count) == 1) + tasklet_enable(&dhd->rx_compl_tasklet); +#endif /* DHD_LB_RXC */ +#endif /* DHD_LB */ + if (atomic_read(&dhd->tasklet.count) == 1) + tasklet_enable(&dhd->tasklet); +} +#endif /* BCMPCIE */ + + +#ifdef BCMPCIE +void +dhd_dpc_kill(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd; + + if (!dhdp) { + return; + } + + dhd = dhdp->info; + + if (!dhd) { + return; + } + + if (dhd->thr_dpc_ctl.thr_pid < 0) { + tasklet_disable(&dhd->tasklet); + tasklet_kill(&dhd->tasklet); + DHD_ERROR(("%s: tasklet disabled\n", __FUNCTION__)); + } +#if defined(DHD_LB) +#ifdef DHD_LB_RXP + __skb_queue_purge(&dhd->rx_pend_queue); +#endif /* DHD_LB_RXP */ + /* Kill the Load Balancing Tasklets */ +#if defined(DHD_LB_TXC) + tasklet_disable(&dhd->tx_compl_tasklet); + tasklet_kill(&dhd->tx_compl_tasklet); +#endif /* DHD_LB_TXC */ +#if defined(DHD_LB_RXC) + tasklet_disable(&dhd->rx_compl_tasklet); + tasklet_kill(&dhd->rx_compl_tasklet); +#endif /* DHD_LB_RXC */ +#endif /* DHD_LB */ +} + +void +dhd_dpc_tasklet_kill(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd; + + if (!dhdp) { + return; + } + + dhd = dhdp->info; + + if (!dhd) { + return; + } + + if (dhd->thr_dpc_ctl.thr_pid < 0) { + tasklet_kill(&dhd->tasklet); + } +} +#endif /* BCMPCIE */ + +static void +dhd_dpc(ulong data) +{ + dhd_info_t *dhd; + + dhd = (dhd_info_t *)data; + + /* this (tasklet) can be scheduled in dhd_sched_dpc[dhd_linux.c] + * down below , wake lock is set, + * the tasklet is initialized in dhd_attach() + */ + /* Call bus dpc unless it indicated down (then clean stop) */ + if (dhd->pub.busstate != DHD_BUS_DOWN) { + if (dhd_bus_dpc(dhd->pub.bus)) { + DHD_LB_STATS_INCR(dhd->dhd_dpc_cnt); + tasklet_schedule(&dhd->tasklet); + } + } else { + dhd_bus_stop(dhd->pub.bus, TRUE); + } +} + +void +dhd_sched_dpc(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd = (dhd_info_t *)dhdp->info; + + if (dhd->thr_dpc_ctl.thr_pid >= 0) { + DHD_OS_WAKE_LOCK(dhdp); + /* If the semaphore does not get up, + * wake unlock should be done here + */ + if (!binary_sema_up(&dhd->thr_dpc_ctl)) { + DHD_OS_WAKE_UNLOCK(dhdp); + } + return; + } else { + tasklet_schedule(&dhd->tasklet); + } +} + +static void +dhd_sched_rxf(dhd_pub_t *dhdp, void *skb) +{ + dhd_info_t *dhd = (dhd_info_t *)dhdp->info; +#ifdef RXF_DEQUEUE_ON_BUSY + int ret = BCME_OK; + int retry = 2; +#endif /* RXF_DEQUEUE_ON_BUSY */ + + DHD_OS_WAKE_LOCK(dhdp); + + DHD_TRACE(("dhd_sched_rxf: Enter\n")); +#ifdef RXF_DEQUEUE_ON_BUSY + do { + ret = dhd_rxf_enqueue(dhdp, skb); + if (ret == BCME_OK || ret == BCME_ERROR) + break; + else + OSL_SLEEP(50); /* waiting for dequeueing */ + } while (retry-- > 0); + + if (retry <= 0 && ret == BCME_BUSY) { + void *skbp = skb; + + while (skbp) { + void *skbnext = PKTNEXT(dhdp->osh, skbp); + PKTSETNEXT(dhdp->osh, skbp, NULL); + bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, + __FUNCTION__, __LINE__); + netif_rx_ni(skbp); + skbp = skbnext; + } + DHD_ERROR(("send skb to kernel backlog without rxf_thread\n")); + } else { + if (dhd->thr_rxf_ctl.thr_pid >= 0) { + up(&dhd->thr_rxf_ctl.sema); + } + } +#else /* RXF_DEQUEUE_ON_BUSY */ + do { + if (dhd_rxf_enqueue(dhdp, skb) == BCME_OK) + break; + } while (1); + if (dhd->thr_rxf_ctl.thr_pid >= 0) { + up(&dhd->thr_rxf_ctl.sema); + } + return; +#endif /* RXF_DEQUEUE_ON_BUSY */ +} + +#if defined(BCM_DNGL_EMBEDIMAGE) || defined(BCM_REQUEST_FW) +#endif /* defined(BCM_DNGL_EMBEDIMAGE) || defined(BCM_REQUEST_FW) */ + +#ifdef TOE +/* Retrieve current toe component enables, which are kept as a bitmap in toe_ol iovar */ +static int +dhd_toe_get(dhd_info_t *dhd, int ifidx, uint32 *toe_ol) +{ + wl_ioctl_t ioc; + char buf[32]; + int ret; + + memset(&ioc, 0, sizeof(ioc)); + + ioc.cmd = WLC_GET_VAR; + ioc.buf = buf; + ioc.len = (uint)sizeof(buf); + ioc.set = FALSE; + + strncpy(buf, "toe_ol", sizeof(buf) - 1); + buf[sizeof(buf) - 1] = '\0'; + if ((ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) { + /* Check for older dongle image that doesn't support toe_ol */ + if (ret == -EIO) { + DHD_ERROR(("%s: toe not supported by device\n", + dhd_ifname(&dhd->pub, ifidx))); + return -EOPNOTSUPP; + } + + DHD_INFO(("%s: could not get toe_ol: ret=%d\n", dhd_ifname(&dhd->pub, ifidx), ret)); + return ret; + } + + memcpy(toe_ol, buf, sizeof(uint32)); + return 0; +} + +/* Set current toe component enables in toe_ol iovar, and set toe global enable iovar */ +static int +dhd_toe_set(dhd_info_t *dhd, int ifidx, uint32 toe_ol) +{ + wl_ioctl_t ioc; + char buf[32]; + int toe, ret; + + memset(&ioc, 0, sizeof(ioc)); + + ioc.cmd = WLC_SET_VAR; + ioc.buf = buf; + ioc.len = (uint)sizeof(buf); + ioc.set = TRUE; + + /* Set toe_ol as requested */ + + strncpy(buf, "toe_ol", sizeof(buf) - 1); + buf[sizeof(buf) - 1] = '\0'; + memcpy(&buf[sizeof("toe_ol")], &toe_ol, sizeof(uint32)); + + if ((ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) { + DHD_ERROR(("%s: could not set toe_ol: ret=%d\n", + dhd_ifname(&dhd->pub, ifidx), ret)); + return ret; + } + + /* Enable toe globally only if any components are enabled. */ + + toe = (toe_ol != 0); + + strcpy(buf, "toe"); + memcpy(&buf[sizeof("toe")], &toe, sizeof(uint32)); + + if ((ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) { + DHD_ERROR(("%s: could not set toe: ret=%d\n", dhd_ifname(&dhd->pub, ifidx), ret)); + return ret; + } + + return 0; +} +#endif /* TOE */ + +#if defined(WL_CFG80211) && defined(NUM_SCB_MAX_PROBE) +void dhd_set_scb_probe(dhd_pub_t *dhd) +{ + int ret = 0; + wl_scb_probe_t scb_probe; + char iovbuf[WL_EVENTING_MASK_LEN + sizeof(wl_scb_probe_t)]; + + memset(&scb_probe, 0, sizeof(wl_scb_probe_t)); + + if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { + return; + } + + bcm_mkiovar("scb_probe", NULL, 0, iovbuf, sizeof(iovbuf)); + + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iovbuf, sizeof(iovbuf), FALSE, 0)) < 0) { + DHD_ERROR(("%s: GET max_scb_probe failed\n", __FUNCTION__)); + } + + memcpy(&scb_probe, iovbuf, sizeof(wl_scb_probe_t)); + + scb_probe.scb_max_probe = NUM_SCB_MAX_PROBE; + + bcm_mkiovar("scb_probe", (char *)&scb_probe, + sizeof(wl_scb_probe_t), iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s: max_scb_probe setting failed\n", __FUNCTION__)); + return; + } +} +#endif /* WL_CFG80211 && NUM_SCB_MAX_PROBE */ + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) +static void +dhd_ethtool_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info) +{ + dhd_info_t *dhd = DHD_DEV_INFO(net); + + snprintf(info->driver, sizeof(info->driver), "wl"); + snprintf(info->version, sizeof(info->version), "%lu", dhd->pub.drv_version); +} + +struct ethtool_ops dhd_ethtool_ops = { + .get_drvinfo = dhd_ethtool_get_drvinfo +}; +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) */ + + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) +static int +dhd_ethtool(dhd_info_t *dhd, void *uaddr) +{ + struct ethtool_drvinfo info; + char drvname[sizeof(info.driver)]; + uint32 cmd; +#ifdef TOE + struct ethtool_value edata; + uint32 toe_cmpnt, csum_dir; + int ret; +#endif + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + /* all ethtool calls start with a cmd word */ + if (copy_from_user(&cmd, uaddr, sizeof (uint32))) + return -EFAULT; + + switch (cmd) { + case ETHTOOL_GDRVINFO: + /* Copy out any request driver name */ + if (copy_from_user(&info, uaddr, sizeof(info))) + return -EFAULT; + strncpy(drvname, info.driver, sizeof(info.driver)); + drvname[sizeof(info.driver)-1] = '\0'; + + /* clear struct for return */ + memset(&info, 0, sizeof(info)); + info.cmd = cmd; + + /* if dhd requested, identify ourselves */ + if (strcmp(drvname, "?dhd") == 0) { + snprintf(info.driver, sizeof(info.driver), "dhd"); + strncpy(info.version, EPI_VERSION_STR, sizeof(info.version) - 1); + info.version[sizeof(info.version) - 1] = '\0'; + } + + /* otherwise, require dongle to be up */ + else if (!dhd->pub.up) { + DHD_ERROR(("%s: dongle is not up\n", __FUNCTION__)); + return -ENODEV; + } + + /* finally, report dongle driver type */ + else if (dhd->pub.iswl) + snprintf(info.driver, sizeof(info.driver), "wl"); + else + snprintf(info.driver, sizeof(info.driver), "xx"); + + snprintf(info.version, sizeof(info.version), "%lu", dhd->pub.drv_version); + if (copy_to_user(uaddr, &info, sizeof(info))) + return -EFAULT; + DHD_CTL(("%s: given %*s, returning %s\n", __FUNCTION__, + (int)sizeof(drvname), drvname, info.driver)); + break; + +#ifdef TOE + /* Get toe offload components from dongle */ + case ETHTOOL_GRXCSUM: + case ETHTOOL_GTXCSUM: + if ((ret = dhd_toe_get(dhd, 0, &toe_cmpnt)) < 0) + return ret; + + csum_dir = (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; + + edata.cmd = cmd; + edata.data = (toe_cmpnt & csum_dir) ? 1 : 0; + + if (copy_to_user(uaddr, &edata, sizeof(edata))) + return -EFAULT; + break; + + /* Set toe offload components in dongle */ + case ETHTOOL_SRXCSUM: + case ETHTOOL_STXCSUM: + if (copy_from_user(&edata, uaddr, sizeof(edata))) + return -EFAULT; + + /* Read the current settings, update and write back */ + if ((ret = dhd_toe_get(dhd, 0, &toe_cmpnt)) < 0) + return ret; + + csum_dir = (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; + + if (edata.data != 0) + toe_cmpnt |= csum_dir; + else + toe_cmpnt &= ~csum_dir; + + if ((ret = dhd_toe_set(dhd, 0, toe_cmpnt)) < 0) + return ret; + + /* If setting TX checksum mode, tell Linux the new mode */ + if (cmd == ETHTOOL_STXCSUM) { + if (edata.data) + dhd->iflist[0]->net->features |= NETIF_F_IP_CSUM; + else + dhd->iflist[0]->net->features &= ~NETIF_F_IP_CSUM; + } + + break; +#endif /* TOE */ + + default: + return -EOPNOTSUPP; + } + + return 0; +} +#endif /* LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) */ + +static bool dhd_check_hang(struct net_device *net, dhd_pub_t *dhdp, int error) +{ + + if (!dhdp) { + DHD_ERROR(("%s: dhdp is NULL\n", __FUNCTION__)); + return FALSE; + } + + if (!dhdp->up) + return FALSE; + +#if !defined(BCMPCIE) + if (dhdp->info->thr_dpc_ctl.thr_pid < 0) { + DHD_ERROR(("%s : skipped due to negative pid - unloading?\n", __FUNCTION__)); + return FALSE; + } +#endif + + if ((error == -ETIMEDOUT) || (error == -EREMOTEIO) || + ((dhdp->busstate == DHD_BUS_DOWN) && (!dhdp->dongle_reset))) { +#ifdef BCMPCIE + DHD_ERROR(("%s: Event HANG send up due to re=%d te=%d d3acke=%d e=%d s=%d\n", + __FUNCTION__, dhdp->rxcnt_timeout, dhdp->txcnt_timeout, + dhdp->d3ackcnt_timeout, error, dhdp->busstate)); +#else + DHD_ERROR(("%s: Event HANG send up due to re=%d te=%d e=%d s=%d\n", __FUNCTION__, + dhdp->rxcnt_timeout, dhdp->txcnt_timeout, error, dhdp->busstate)); +#endif /* BCMPCIE */ + if (dhdp->hang_reason == 0) { + if (dhdp->dongle_trap_occured) { + dhdp->hang_reason = HANG_REASON_DONGLE_TRAP; +#ifdef BCMPCIE + } else if (dhdp->d3ackcnt_timeout) { + dhdp->hang_reason = HANG_REASON_D3_ACK_TIMEOUT; +#endif /* BCMPCIE */ + } else { + dhdp->hang_reason = HANG_REASON_IOCTL_RESP_TIMEOUT; + } + } + net_os_send_hang_message(net); + return TRUE; + } + return FALSE; +} + +int dhd_ioctl_process(dhd_pub_t *pub, int ifidx, dhd_ioctl_t *ioc, void *data_buf) +{ + int bcmerror = BCME_OK; + int buflen = 0; + struct net_device *net; + + net = dhd_idx2net(pub, ifidx); + if (!net) { + bcmerror = BCME_BADARG; + goto done; + } + + if (data_buf) + buflen = MIN(ioc->len, DHD_IOCTL_MAXLEN); + + /* check for local dhd ioctl and handle it */ + if (ioc->driver == DHD_IOCTL_MAGIC) { + bcmerror = dhd_ioctl((void *)pub, ioc, data_buf, buflen); + if (bcmerror) + pub->bcmerror = bcmerror; + goto done; + } + + /* send to dongle (must be up, and wl). */ + if (pub->busstate == DHD_BUS_DOWN || pub->busstate == DHD_BUS_LOAD) { + if (allow_delay_fwdl) { + int ret = dhd_bus_start(pub); + if (ret != 0) { + DHD_ERROR(("%s: failed with code %d\n", __FUNCTION__, ret)); + bcmerror = BCME_DONGLE_DOWN; + goto done; + } + } else { + bcmerror = BCME_DONGLE_DOWN; + goto done; + } + } + + if (!pub->iswl) { + bcmerror = BCME_DONGLE_DOWN; + goto done; + } + + /* + * Flush the TX queue if required for proper message serialization: + * Intercept WLC_SET_KEY IOCTL - serialize M4 send and set key IOCTL to + * prevent M4 encryption and + * intercept WLC_DISASSOC IOCTL - serialize WPS-DONE and WLC_DISASSOC IOCTL to + * prevent disassoc frame being sent before WPS-DONE frame. + */ + if (ioc->cmd == WLC_SET_KEY || + (ioc->cmd == WLC_SET_VAR && data_buf != NULL && + strncmp("wsec_key", data_buf, 9) == 0) || + (ioc->cmd == WLC_SET_VAR && data_buf != NULL && + strncmp("bsscfg:wsec_key", data_buf, 15) == 0) || + ioc->cmd == WLC_DISASSOC) + dhd_wait_pend8021x(net); + +#ifdef WLMEDIA_HTSF + if (data_buf) { + /* short cut wl ioctl calls here */ + if (strcmp("htsf", data_buf) == 0) { + dhd_ioctl_htsf_get(dhd, 0); + return BCME_OK; + } + + if (strcmp("htsflate", data_buf) == 0) { + if (ioc->set) { + memset(ts, 0, sizeof(tstamp_t)*TSMAX); + memset(&maxdelayts, 0, sizeof(tstamp_t)); + maxdelay = 0; + tspktcnt = 0; + maxdelaypktno = 0; + memset(&vi_d1.bin, 0, sizeof(uint32)*NUMBIN); + memset(&vi_d2.bin, 0, sizeof(uint32)*NUMBIN); + memset(&vi_d3.bin, 0, sizeof(uint32)*NUMBIN); + memset(&vi_d4.bin, 0, sizeof(uint32)*NUMBIN); + } else { + dhd_dump_latency(); + } + return BCME_OK; + } + if (strcmp("htsfclear", data_buf) == 0) { + memset(&vi_d1.bin, 0, sizeof(uint32)*NUMBIN); + memset(&vi_d2.bin, 0, sizeof(uint32)*NUMBIN); + memset(&vi_d3.bin, 0, sizeof(uint32)*NUMBIN); + memset(&vi_d4.bin, 0, sizeof(uint32)*NUMBIN); + htsf_seqnum = 0; + return BCME_OK; + } + if (strcmp("htsfhis", data_buf) == 0) { + dhd_dump_htsfhisto(&vi_d1, "H to D"); + dhd_dump_htsfhisto(&vi_d2, "D to D"); + dhd_dump_htsfhisto(&vi_d3, "D to H"); + dhd_dump_htsfhisto(&vi_d4, "H to H"); + return BCME_OK; + } + if (strcmp("tsport", data_buf) == 0) { + if (ioc->set) { + memcpy(&tsport, data_buf + 7, 4); + } else { + DHD_ERROR(("current timestamp port: %d \n", tsport)); + } + return BCME_OK; + } + } +#endif /* WLMEDIA_HTSF */ + + if ((ioc->cmd == WLC_SET_VAR || ioc->cmd == WLC_GET_VAR) && + data_buf != NULL && strncmp("rpc_", data_buf, 4) == 0) { +#ifdef BCM_FD_AGGR + bcmerror = dhd_fdaggr_ioctl(pub, ifidx, (wl_ioctl_t *)ioc, data_buf, buflen); +#else + bcmerror = BCME_UNSUPPORTED; +#endif + goto done; + } + +#ifdef DHD_DEBUG + if (ioc->cmd != WLC_GET_MAGIC && ioc->cmd != WLC_GET_VERSION) { + if (ioc->cmd == WLC_SET_VAR || ioc->cmd == WLC_GET_VAR) { + /* Print IOVAR Information */ + DHD_IOV_INFO(("%s: IOVAR_INFO name = %s set = %d\n", + __FUNCTION__, (char *)data_buf, ioc->set)); + if ((dhd_msg_level & DHD_IOV_INFO_VAL) && ioc->set && data_buf) { + prhex(NULL, data_buf + strlen(data_buf) + 1, + buflen - strlen(data_buf) - 1); + } + } else { + /* Print IOCTL Information */ + DHD_IOV_INFO(("%s: IOCTL_INFO cmd = %d set = %d\n", + __FUNCTION__, ioc->cmd, ioc->set)); + if ((dhd_msg_level & DHD_IOV_INFO_VAL) && ioc->set && data_buf) { + prhex(NULL, data_buf, buflen); + } + } + } +#endif /* DHD_DEBUG */ + + bcmerror = dhd_wl_ioctl(pub, ifidx, (wl_ioctl_t *)ioc, data_buf, buflen); + +done: + dhd_check_hang(net, pub, bcmerror); + + return bcmerror; +} + +static int +dhd_ioctl_entry(struct net_device *net, struct ifreq *ifr, int cmd) +{ + dhd_info_t *dhd = DHD_DEV_INFO(net); + dhd_ioctl_t ioc; + int ifidx; + int ret; + void *local_buf = NULL; + u16 buflen = 0; +#ifdef ENABLE_INSMOD_NO_FW_LOAD + allow_delay_fwdl = 1; +#endif + + DHD_OS_WAKE_LOCK(&dhd->pub); + DHD_PERIM_LOCK(&dhd->pub); + +#ifndef ENABLE_INSMOD_NO_FW_LOAD + /* Interface up check for built-in type */ + if (!dhd_download_fw_on_driverload && dhd->pub.up == FALSE) { + DHD_TRACE(("%s: Interface is down \n", __FUNCTION__)); + ret = BCME_NOTUP; + goto exit; + } +#endif + + /* send to dongle only if we are not waiting for reload already */ + if (dhd->pub.hang_was_sent) { + DHD_TRACE(("%s: HANG was sent up earlier\n", __FUNCTION__)); + DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(&dhd->pub, DHD_EVENT_TIMEOUT_MS); + ret = BCME_DONGLE_DOWN; + goto exit; + } + + ifidx = dhd_net2idx(dhd, net); + DHD_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __FUNCTION__, ifidx, cmd)); + + if (ifidx == DHD_BAD_IF) { + DHD_ERROR(("%s: BAD IF\n", __FUNCTION__)); + ret = -1; + goto exit; + } + +#if defined(WL_WIRELESS_EXT) + /* linux wireless extensions */ + if ((cmd >= SIOCIWFIRST) && (cmd <= SIOCIWLAST)) { + /* may recurse, do NOT lock */ + ret = wl_iw_ioctl(net, ifr, cmd); + goto exit; + } +#endif /* defined(WL_WIRELESS_EXT) */ + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) + if (cmd == SIOCETHTOOL) { + ret = dhd_ethtool(dhd, (void*)ifr->ifr_data); + goto exit; + } +#endif /* LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) */ + + if (cmd == SIOCDEVPRIVATE+1) { + ret = wl_android_priv_cmd(net, ifr, cmd); + dhd_check_hang(net, &dhd->pub, ret); + goto exit; + } + + if (cmd != SIOCDEVPRIVATE) { + ret = -EOPNOTSUPP; + goto exit; + } + + memset(&ioc, 0, sizeof(ioc)); + +#ifdef CONFIG_COMPAT +#if ((LINUX_VERSION_CODE < KERNEL_VERSION(4, 6, 0)) || ((LINUX_VERSION_CODE >= \ + KERNEL_VERSION(4, 6, 0)) && !defined(__X86))) + if (is_compat_task()) { + compat_wl_ioctl_t compat_ioc; + if (copy_from_user(&compat_ioc, ifr->ifr_data, sizeof(compat_wl_ioctl_t))) { + ret = BCME_BADADDR; + goto done; + } + ioc.cmd = compat_ioc.cmd; + ioc.buf = compat_ptr(compat_ioc.buf); + ioc.len = compat_ioc.len; + ioc.set = compat_ioc.set; + ioc.used = compat_ioc.used; + ioc.needed = compat_ioc.needed; + /* To differentiate between wl and dhd read 4 more byes */ + if ((copy_from_user(&ioc.driver, (char *)ifr->ifr_data + sizeof(compat_wl_ioctl_t), + sizeof(uint)) != 0)) { + ret = BCME_BADADDR; + goto done; + } + } else +#endif /* LINUX_VER < 4.6 || (LINUX_VER >= 4.6 && !defined(__X86)) */ +#endif /* CONFIG_COMPAT */ + { + /* Copy the ioc control structure part of ioctl request */ + if (copy_from_user(&ioc, ifr->ifr_data, sizeof(wl_ioctl_t))) { + ret = BCME_BADADDR; + goto done; + } + + /* To differentiate between wl and dhd read 4 more byes */ + if ((copy_from_user(&ioc.driver, (char *)ifr->ifr_data + sizeof(wl_ioctl_t), + sizeof(uint)) != 0)) { + ret = BCME_BADADDR; + goto done; + } + } + + if (!capable(CAP_NET_ADMIN)) { + ret = BCME_EPERM; + goto done; + } + + if (ioc.len > 0) { + buflen = MIN(ioc.len, DHD_IOCTL_MAXLEN); + if (!(local_buf = MALLOC(dhd->pub.osh, buflen+1))) { + ret = BCME_NOMEM; + goto done; + } + + DHD_PERIM_UNLOCK(&dhd->pub); + if (copy_from_user(local_buf, ioc.buf, buflen)) { + DHD_PERIM_LOCK(&dhd->pub); + ret = BCME_BADADDR; + goto done; + } + DHD_PERIM_LOCK(&dhd->pub); + + *(char *)(local_buf + buflen) = '\0'; + } + + ret = dhd_ioctl_process(&dhd->pub, ifidx, &ioc, local_buf); + + if (!ret && buflen && local_buf && ioc.buf) { + DHD_PERIM_UNLOCK(&dhd->pub); + if (copy_to_user(ioc.buf, local_buf, buflen)) + ret = -EFAULT; + DHD_PERIM_LOCK(&dhd->pub); + } + +done: + if (local_buf) + MFREE(dhd->pub.osh, local_buf, buflen+1); + +exit: + DHD_PERIM_UNLOCK(&dhd->pub); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + + return OSL_ERROR(ret); +} + + +#ifdef FIX_CPU_MIN_CLOCK +static int dhd_init_cpufreq_fix(dhd_info_t *dhd) +{ + if (dhd) { +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + mutex_init(&dhd->cpufreq_fix); +#endif + dhd->cpufreq_fix_status = FALSE; + } + return 0; +} + +static void dhd_fix_cpu_freq(dhd_info_t *dhd) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + mutex_lock(&dhd->cpufreq_fix); +#endif + if (dhd && !dhd->cpufreq_fix_status) { + pm_qos_add_request(&dhd->dhd_cpu_qos, PM_QOS_CPU_FREQ_MIN, 300000); +#ifdef FIX_BUS_MIN_CLOCK + pm_qos_add_request(&dhd->dhd_bus_qos, PM_QOS_BUS_THROUGHPUT, 400000); +#endif /* FIX_BUS_MIN_CLOCK */ + DHD_ERROR(("pm_qos_add_requests called\n")); + + dhd->cpufreq_fix_status = TRUE; + } +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + mutex_unlock(&dhd->cpufreq_fix); +#endif +} + +static void dhd_rollback_cpu_freq(dhd_info_t *dhd) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + mutex_lock(&dhd ->cpufreq_fix); +#endif + if (dhd && dhd->cpufreq_fix_status != TRUE) { +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + mutex_unlock(&dhd->cpufreq_fix); +#endif + return; + } + + pm_qos_remove_request(&dhd->dhd_cpu_qos); +#ifdef FIX_BUS_MIN_CLOCK + pm_qos_remove_request(&dhd->dhd_bus_qos); +#endif /* FIX_BUS_MIN_CLOCK */ + DHD_ERROR(("pm_qos_add_requests called\n")); + + dhd->cpufreq_fix_status = FALSE; +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + mutex_unlock(&dhd->cpufreq_fix); +#endif +} +#endif /* FIX_CPU_MIN_CLOCK */ + +static int +dhd_stop(struct net_device *net) +{ + int ifidx = 0; + dhd_info_t *dhd = DHD_DEV_INFO(net); + DHD_OS_WAKE_LOCK(&dhd->pub); + DHD_PERIM_LOCK(&dhd->pub); + DHD_TRACE(("%s: Enter %p\n", __FUNCTION__, net)); + dhd->pub.rxcnt_timeout = 0; + dhd->pub.txcnt_timeout = 0; + +#ifdef BCMPCIE + dhd->pub.d3ackcnt_timeout = 0; +#endif /* BCMPCIE */ + + if (dhd->pub.up == 0) { + goto exit; + } + + dhd_if_flush_sta(DHD_DEV_IFP(net)); + + /* Disable Runtime PM before interface down */ + DHD_DISABLE_RUNTIME_PM(&dhd->pub); + +#ifdef FIX_CPU_MIN_CLOCK + if (dhd_get_fw_mode(dhd) == DHD_FLAG_HOSTAP_MODE) + dhd_rollback_cpu_freq(dhd); +#endif /* FIX_CPU_MIN_CLOCK */ + + ifidx = dhd_net2idx(dhd, net); + BCM_REFERENCE(ifidx); + + /* Set state and stop OS transmissions */ + netif_stop_queue(net); + dhd->pub.up = 0; + +#ifdef WL_CFG80211 + if (ifidx == 0) { + dhd_if_t *ifp; + wl_cfg80211_down(DHD_GET_CFG80211_PRIV(&dhd->pub)); + + ifp = dhd->iflist[0]; + ASSERT(ifp && ifp->net); + /* + * For CFG80211: Clean up all the left over virtual interfaces + * when the primary Interface is brought down. [ifconfig wlan0 down] + */ + if (!dhd_download_fw_on_driverload) { + if ((dhd->dhd_state & DHD_ATTACH_STATE_ADD_IF) && + (dhd->dhd_state & DHD_ATTACH_STATE_CFG80211)) { + int i; + +#ifdef WL_CFG80211_P2P_DEV_IF + wl_cfg80211_del_p2p_wdev(DHD_GET_CFG80211_PRIV(&dhd->pub)); +#endif /* WL_CFG80211_P2P_DEV_IF */ + + dhd_net_if_lock_local(dhd); + for (i = 1; i < DHD_MAX_IFS; i++) + dhd_remove_if(&dhd->pub, i, FALSE); + + if (ifp && ifp->net) { + dhd_if_del_sta_list(ifp); + } + +#ifdef ARP_OFFLOAD_SUPPORT + if (dhd_inetaddr_notifier_registered) { + dhd_inetaddr_notifier_registered = FALSE; + unregister_inetaddr_notifier(&dhd_inetaddr_notifier); + } +#endif /* ARP_OFFLOAD_SUPPORT */ +#if defined(CONFIG_IPV6) && defined(IPV6_NDO_SUPPORT) + if (dhd_inet6addr_notifier_registered) { + dhd_inet6addr_notifier_registered = FALSE; + unregister_inet6addr_notifier(&dhd_inet6addr_notifier); + } +#endif /* CONFIG_IPV6 && IPV6_NDO_SUPPORT */ + dhd_net_if_unlock_local(dhd); + } + cancel_work_sync(dhd->dhd_deferred_wq); +#if defined(DHD_LB) && defined(DHD_LB_RXP) + __skb_queue_purge(&dhd->rx_pend_queue); +#endif /* DHD_LB && DHD_LB_RXP */ + } + +#if defined(BCMPCIE) && defined(DHDTCPACK_SUPPRESS) + dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_OFF); +#endif /* BCMPCIE && DHDTCPACK_SUPPRESS */ +#if defined(DHD_LB) && defined(DHD_LB_RXP) + if (ifp->net == dhd->rx_napi_netdev) { + DHD_INFO(("%s napi<%p> disabled ifp->net<%p,%s>\n", + __FUNCTION__, &dhd->rx_napi_struct, net, net->name)); + skb_queue_purge(&dhd->rx_napi_queue); + napi_disable(&dhd->rx_napi_struct); + netif_napi_del(&dhd->rx_napi_struct); + dhd->rx_napi_netdev = NULL; + } +#endif /* DHD_LB && DHD_LB_RXP */ + + } +#endif /* WL_CFG80211 */ + +#ifdef PROP_TXSTATUS + dhd_wlfc_cleanup(&dhd->pub, NULL, 0); +#endif + /* Stop the protocol module */ + dhd_prot_stop(&dhd->pub); + + OLD_MOD_DEC_USE_COUNT; +exit: +#if defined(WL_CFG80211) + if (ifidx == 0 && !dhd_download_fw_on_driverload) + wl_android_wifi_off(net, TRUE); +#endif + dhd->pub.hang_was_sent = 0; + + /* Clear country spec for for built-in type driver */ + if (!dhd_download_fw_on_driverload) { + dhd->pub.dhd_cspec.country_abbrev[0] = 0x00; + dhd->pub.dhd_cspec.rev = 0; + dhd->pub.dhd_cspec.ccode[0] = 0x00; + } + +#ifdef BCMDBGFS + dhd_dbg_remove(); +#endif + + DHD_PERIM_UNLOCK(&dhd->pub); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + + /* Destroy wakelock */ + if (!dhd_download_fw_on_driverload && + (dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT)) { + DHD_OS_WAKE_LOCK_DESTROY(dhd); + dhd->dhd_state &= ~DHD_ATTACH_STATE_WAKELOCKS_INIT; + } + + return 0; +} + +#if defined(WL_CFG80211) && defined(USE_INITIAL_SHORT_DWELL_TIME) +extern bool g_first_broadcast_scan; +#endif + +#ifdef WL11U +static int dhd_interworking_enable(dhd_pub_t *dhd) +{ + char iovbuf[WLC_IOCTL_SMLEN]; + uint32 enable = true; + int ret = BCME_OK; + + bcm_mkiovar("interworking", (char *)&enable, sizeof(enable), iovbuf, sizeof(iovbuf)); + ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + if (ret < 0) { + DHD_ERROR(("%s: enableing interworking failed, ret=%d\n", __FUNCTION__, ret)); + } + + if (ret == BCME_OK) { + /* basic capabilities for HS20 REL2 */ + uint32 cap = WL_WNM_BSSTRANS | WL_WNM_NOTIF; + bcm_mkiovar("wnm", (char *)&cap, sizeof(cap), iovbuf, sizeof(iovbuf)); + ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + if (ret < 0) { + DHD_ERROR(("%s: set wnm returned (%d)\n", __FUNCTION__, ret)); + } + } + + return ret; +} +#endif /* WL11u */ + +static int +dhd_open(struct net_device *net) +{ + dhd_info_t *dhd = DHD_DEV_INFO(net); +#ifdef TOE + uint32 toe_ol; +#endif +#ifdef BCM_FD_AGGR + char iovbuf[WLC_IOCTL_SMLEN]; + dbus_config_t config; + uint32 agglimit = 0; + uint32 rpc_agg = BCM_RPC_TP_DNGL_AGG_DPC; /* host aggr not enabled yet */ +#endif /* BCM_FD_AGGR */ + int ifidx; + int32 ret = 0; + + if (!dhd_download_fw_on_driverload && !dhd_driver_init_done) { + DHD_ERROR(("%s: WLAN driver is not initialized\n", __FUNCTION__)); + return -1; + } + + /* Init wakelock */ + if (!dhd_download_fw_on_driverload && + !(dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT)) { + DHD_OS_WAKE_LOCK_INIT(dhd); + dhd->dhd_state |= DHD_ATTACH_STATE_WAKELOCKS_INIT; + } + +#ifdef PREVENT_REOPEN_DURING_HANG + /* WAR : to prevent calling dhd_open abnormally in quick succession after hang event */ + if (dhd->pub.hang_was_sent == 1) { + DHD_ERROR(("%s: HANG was sent up earlier\n", __FUNCTION__)); + /* Force to bring down WLAN interface in case dhd_stop() is not called + * from the upper layer when HANG event is triggered. + */ + if (!dhd_download_fw_on_driverload && dhd->pub.up == 1) { + DHD_ERROR(("%s: WLAN interface is not brought down\n", __FUNCTION__)); + dhd_stop(net); + } else { + return -1; + } + } +#endif /* PREVENT_REOPEN_DURING_HANG */ + + + DHD_OS_WAKE_LOCK(&dhd->pub); + DHD_PERIM_LOCK(&dhd->pub); + dhd->pub.dongle_trap_occured = 0; + dhd->pub.hang_was_sent = 0; + dhd->pub.hang_reason = 0; + dhd->pub.iovar_timeout_occured = 0; +#ifdef PCIE_FULL_DONGLE + dhd->pub.d3ack_timeout_occured = 0; +#endif /* PCIE_FULL_DONGLE */ + +#ifdef DHD_LOSSLESS_ROAMING + dhd->pub.dequeue_prec_map = ALLPRIO; +#endif +#if !defined(WL_CFG80211) + /* + * Force start if ifconfig_up gets called before START command + * We keep WEXT's wl_control_wl_start to provide backward compatibility + * This should be removed in the future + */ + ret = wl_control_wl_start(net); + if (ret != 0) { + DHD_ERROR(("%s: failed with code %d\n", __FUNCTION__, ret)); + ret = -1; + goto exit; + } + +#endif + + ifidx = dhd_net2idx(dhd, net); + DHD_TRACE(("%s: ifidx %d\n", __FUNCTION__, ifidx)); + + if (ifidx < 0) { + DHD_ERROR(("%s: Error: called with invalid IF\n", __FUNCTION__)); + ret = -1; + goto exit; + } + + if (!dhd->iflist[ifidx]) { + DHD_ERROR(("%s: Error: called when IF already deleted\n", __FUNCTION__)); + ret = -1; + goto exit; + } + + if (ifidx == 0) { + atomic_set(&dhd->pend_8021x_cnt, 0); +#if defined(WL_CFG80211) + if (!dhd_download_fw_on_driverload) { + DHD_ERROR(("\n%s\n", dhd_version)); +#if defined(USE_INITIAL_SHORT_DWELL_TIME) + g_first_broadcast_scan = TRUE; +#endif + ret = wl_android_wifi_on(net); + if (ret != 0) { + DHD_ERROR(("%s : wl_android_wifi_on failed (%d)\n", + __FUNCTION__, ret)); + ret = -1; + goto exit; + } + } +#ifdef FIX_CPU_MIN_CLOCK + if (dhd_get_fw_mode(dhd) == DHD_FLAG_HOSTAP_MODE) { + dhd_init_cpufreq_fix(dhd); + dhd_fix_cpu_freq(dhd); + } +#endif /* FIX_CPU_MIN_CLOCK */ +#endif + + if (dhd->pub.busstate != DHD_BUS_DATA) { + + /* try to bring up bus */ + DHD_PERIM_UNLOCK(&dhd->pub); + ret = dhd_bus_start(&dhd->pub); + DHD_PERIM_LOCK(&dhd->pub); + if (ret) { + DHD_ERROR(("%s: failed with code %d\n", __FUNCTION__, ret)); + ret = -1; + goto exit; + } + + } + +#ifdef BCM_FD_AGGR + config.config_id = DBUS_CONFIG_ID_AGGR_LIMIT; + + + memset(iovbuf, 0, sizeof(iovbuf)); + bcm_mkiovar("rpc_dngl_agglimit", (char *)&agglimit, 4, + iovbuf, sizeof(iovbuf)); + + if (!dhd_wl_ioctl_cmd(&dhd->pub, WLC_GET_VAR, iovbuf, sizeof(iovbuf), FALSE, 0)) { + agglimit = *(uint32 *)iovbuf; + config.aggr_param.maxrxsf = agglimit >> BCM_RPC_TP_AGG_SF_SHIFT; + config.aggr_param.maxrxsize = agglimit & BCM_RPC_TP_AGG_BYTES_MASK; + DHD_ERROR(("rpc_dngl_agglimit %x : sf_limit %d bytes_limit %d\n", + agglimit, config.aggr_param.maxrxsf, config.aggr_param.maxrxsize)); + if (bcm_rpc_tp_set_config(dhd->pub.info->rpc_th, &config)) { + DHD_ERROR(("set tx/rx queue size and buffersize failed\n")); + } + } else { + DHD_ERROR(("get rpc_dngl_agglimit failed\n")); + rpc_agg &= ~BCM_RPC_TP_DNGL_AGG_DPC; + } + + /* Set aggregation for TX */ + bcm_rpc_tp_agg_set(dhd->pub.info->rpc_th, BCM_RPC_TP_HOST_AGG_MASK, + rpc_agg & BCM_RPC_TP_HOST_AGG_MASK); + + /* Set aggregation for RX */ + memset(iovbuf, 0, sizeof(iovbuf)); + bcm_mkiovar("rpc_agg", (char *)&rpc_agg, sizeof(rpc_agg), iovbuf, sizeof(iovbuf)); + if (!dhd_wl_ioctl_cmd(&dhd->pub, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) { + dhd->pub.info->fdaggr = 0; + if (rpc_agg & BCM_RPC_TP_HOST_AGG_MASK) + dhd->pub.info->fdaggr |= BCM_FDAGGR_H2D_ENABLED; + if (rpc_agg & BCM_RPC_TP_DNGL_AGG_MASK) + dhd->pub.info->fdaggr |= BCM_FDAGGR_D2H_ENABLED; + } else { + DHD_ERROR(("%s(): Setting RX aggregation failed %d\n", __FUNCTION__, ret)); + } +#endif /* BCM_FD_AGGR */ + + /* dhd_sync_with_dongle has been called in dhd_bus_start or wl_android_wifi_on */ + memcpy(net->dev_addr, dhd->pub.mac.octet, ETHER_ADDR_LEN); + +#ifdef TOE + /* Get current TOE mode from dongle */ + if (dhd_toe_get(dhd, ifidx, &toe_ol) >= 0 && (toe_ol & TOE_TX_CSUM_OL) != 0) { + dhd->iflist[ifidx]->net->features |= NETIF_F_IP_CSUM; + } else { + dhd->iflist[ifidx]->net->features &= ~NETIF_F_IP_CSUM; + } +#endif /* TOE */ + +#if defined(WL_CFG80211) + if (unlikely(wl_cfg80211_up(DHD_GET_CFG80211_PRIV(&dhd->pub)))) { + DHD_ERROR(("%s: failed to bring up cfg80211\n", __FUNCTION__)); + ret = -1; + goto exit; + } + if (!dhd_download_fw_on_driverload) { +#ifdef ARP_OFFLOAD_SUPPORT + dhd->pend_ipaddr = 0; + if (!dhd_inetaddr_notifier_registered) { + dhd_inetaddr_notifier_registered = TRUE; + register_inetaddr_notifier(&dhd_inetaddr_notifier); + } +#endif /* ARP_OFFLOAD_SUPPORT */ +#if defined(CONFIG_IPV6) && defined(IPV6_NDO_SUPPORT) + if (!dhd_inet6addr_notifier_registered) { + dhd_inet6addr_notifier_registered = TRUE; + register_inet6addr_notifier(&dhd_inet6addr_notifier); + } +#endif /* CONFIG_IPV6 && IPV6_NDO_SUPPORT */ +#ifdef DHD_LB + DHD_LB_STATS_INIT(&dhd->pub); +#ifdef DHD_LB_RXP + __skb_queue_head_init(&dhd->rx_pend_queue); +#endif /* DHD_LB_RXP */ +#endif /* DHD_LB */ + } + +#if defined(BCMPCIE) && defined(DHDTCPACK_SUPPRESS) +#if defined(SET_RPS_CPUS) + dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_OFF); +#else + dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_HOLD); +#endif +#endif /* BCMPCIE && DHDTCPACK_SUPPRESS */ +#if defined(DHD_LB) && defined(DHD_LB_RXP) + if (dhd->rx_napi_netdev == NULL) { + dhd->rx_napi_netdev = dhd->iflist[ifidx]->net; + memset(&dhd->rx_napi_struct, 0, sizeof(struct napi_struct)); + netif_napi_add(dhd->rx_napi_netdev, &dhd->rx_napi_struct, + dhd_napi_poll, dhd_napi_weight); + DHD_INFO(("%s napi<%p> enabled ifp->net<%p,%s>\n", + __FUNCTION__, &dhd->rx_napi_struct, net, net->name)); + napi_enable(&dhd->rx_napi_struct); + DHD_INFO(("%s load balance init rx_napi_struct\n", __FUNCTION__)); + skb_queue_head_init(&dhd->rx_napi_queue); + } +#endif /* DHD_LB && DHD_LB_RXP */ +#if defined(NUM_SCB_MAX_PROBE) + dhd_set_scb_probe(&dhd->pub); +#endif /* NUM_SCB_MAX_PROBE */ +#endif /* WL_CFG80211 */ + } + + /* Allow transmit calls */ + netif_start_queue(net); + dhd->pub.up = 1; + + OLD_MOD_INC_USE_COUNT; + +#ifdef BCMDBGFS + dhd_dbg_init(&dhd->pub); +#endif + +exit: + if (ret) { + dhd_stop(net); + } + + DHD_PERIM_UNLOCK(&dhd->pub); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + + + return ret; +} + +int dhd_do_driver_init(struct net_device *net) +{ + dhd_info_t *dhd = NULL; + + if (!net) { + DHD_ERROR(("Primary Interface not initialized \n")); + return -EINVAL; + } + + + /* && defined(OEM_ANDROID) && defined(BCMSDIO) */ + dhd = DHD_DEV_INFO(net); + + /* If driver is already initialized, do nothing + */ + if (dhd->pub.busstate == DHD_BUS_DATA) { + DHD_TRACE(("Driver already Inititalized. Nothing to do")); + return 0; + } + + if (dhd_open(net) < 0) { + DHD_ERROR(("Driver Init Failed \n")); + return -1; + } + + return 0; +} + +int +dhd_event_ifadd(dhd_info_t *dhdinfo, wl_event_data_if_t *ifevent, char *name, uint8 *mac) +{ + +#ifdef WL_CFG80211 + if (wl_cfg80211_notify_ifadd(DHD_GET_CFG80211_PRIV(&dhdinfo->pub), + ifevent->ifidx, name, mac, ifevent->bssidx) == BCME_OK) + return BCME_OK; +#endif + + /* handle IF event caused by wl commands, SoftAP, WEXT and + * anything else. This has to be done asynchronously otherwise + * DPC will be blocked (and iovars will timeout as DPC has no chance + * to read the response back) + */ + if (ifevent->ifidx > 0) { + dhd_if_event_t *if_event = MALLOC(dhdinfo->pub.osh, sizeof(dhd_if_event_t)); + if (if_event == NULL) { + DHD_ERROR(("dhd_event_ifadd: Failed MALLOC, malloced %d bytes", + MALLOCED(dhdinfo->pub.osh))); + return BCME_NOMEM; + } + + memcpy(&if_event->event, ifevent, sizeof(if_event->event)); + memcpy(if_event->mac, mac, ETHER_ADDR_LEN); + strncpy(if_event->name, name, IFNAMSIZ); + if_event->name[IFNAMSIZ - 1] = '\0'; + dhd_deferred_schedule_work(dhdinfo->dhd_deferred_wq, (void *)if_event, + DHD_WQ_WORK_IF_ADD, dhd_ifadd_event_handler, DHD_WORK_PRIORITY_LOW); + } + + return BCME_OK; +} + +int +dhd_event_ifdel(dhd_info_t *dhdinfo, wl_event_data_if_t *ifevent, char *name, uint8 *mac) +{ + dhd_if_event_t *if_event; + +#ifdef WL_CFG80211 + if (wl_cfg80211_notify_ifdel(DHD_GET_CFG80211_PRIV(&dhdinfo->pub), + ifevent->ifidx, name, mac, ifevent->bssidx) == BCME_OK) + return BCME_OK; +#endif /* WL_CFG80211 */ + + /* handle IF event caused by wl commands, SoftAP, WEXT and + * anything else + */ + if_event = MALLOC(dhdinfo->pub.osh, sizeof(dhd_if_event_t)); + if (if_event == NULL) { + DHD_ERROR(("dhd_event_ifdel: malloc failed for if_event, malloced %d bytes", + MALLOCED(dhdinfo->pub.osh))); + return BCME_NOMEM; + } + memcpy(&if_event->event, ifevent, sizeof(if_event->event)); + memcpy(if_event->mac, mac, ETHER_ADDR_LEN); + strncpy(if_event->name, name, IFNAMSIZ); + if_event->name[IFNAMSIZ - 1] = '\0'; + dhd_deferred_schedule_work(dhdinfo->dhd_deferred_wq, (void *)if_event, DHD_WQ_WORK_IF_DEL, + dhd_ifdel_event_handler, DHD_WORK_PRIORITY_LOW); + + return BCME_OK; +} + +/* unregister and free the existing net_device interface (if any) in iflist and + * allocate a new one. the slot is reused. this function does NOT register the + * new interface to linux kernel. dhd_register_if does the job + */ +struct net_device* +dhd_allocate_if(dhd_pub_t *dhdpub, int ifidx, char *name, + uint8 *mac, uint8 bssidx, bool need_rtnl_lock, char *dngl_name) +{ + dhd_info_t *dhdinfo = (dhd_info_t *)dhdpub->info; + dhd_if_t *ifp; + + ASSERT(dhdinfo && (ifidx < DHD_MAX_IFS)); + ifp = dhdinfo->iflist[ifidx]; + + if (ifp != NULL) { + if (ifp->net != NULL) { + DHD_ERROR(("%s: free existing IF %s\n", __FUNCTION__, ifp->net->name)); + + dhd_dev_priv_clear(ifp->net); /* clear net_device private */ + + /* in unregister_netdev case, the interface gets freed by net->destructor + * (which is set to free_netdev) + */ + if (ifp->net->reg_state == NETREG_UNINITIALIZED) { + free_netdev(ifp->net); + } else { + netif_stop_queue(ifp->net); + if (need_rtnl_lock) + unregister_netdev(ifp->net); + else + unregister_netdevice(ifp->net); + } + ifp->net = NULL; + } + } else { + ifp = MALLOC(dhdinfo->pub.osh, sizeof(dhd_if_t)); + if (ifp == NULL) { + DHD_ERROR(("%s: OOM - dhd_if_t(%zu)\n", __FUNCTION__, sizeof(dhd_if_t))); + return NULL; + } + } + + memset(ifp, 0, sizeof(dhd_if_t)); + ifp->info = dhdinfo; + ifp->idx = ifidx; + ifp->bssidx = bssidx; + if (mac != NULL) + memcpy(&ifp->mac_addr, mac, ETHER_ADDR_LEN); + + /* Allocate etherdev, including space for private structure */ + ifp->net = alloc_etherdev(DHD_DEV_PRIV_SIZE); + if (ifp->net == NULL) { + DHD_ERROR(("%s: OOM - alloc_etherdev(%zu)\n", __FUNCTION__, sizeof(dhdinfo))); + goto fail; + } + + /* Setup the dhd interface's netdevice private structure. */ + dhd_dev_priv_save(ifp->net, dhdinfo, ifp, ifidx); + + if (name && name[0]) { + strncpy(ifp->net->name, name, IFNAMSIZ); + ifp->net->name[IFNAMSIZ - 1] = '\0'; + } + +#ifdef WL_CFG80211 + if (ifidx == 0) + ifp->net->destructor = free_netdev; + else + ifp->net->destructor = dhd_netdev_free; +#else + ifp->net->destructor = free_netdev; +#endif /* WL_CFG80211 */ + strncpy(ifp->name, ifp->net->name, IFNAMSIZ); + ifp->name[IFNAMSIZ - 1] = '\0'; + dhdinfo->iflist[ifidx] = ifp; + +/* initialize the dongle provided if name */ + if (dngl_name) + strncpy(ifp->dngl_name, dngl_name, IFNAMSIZ); + else + strncpy(ifp->dngl_name, name, IFNAMSIZ); + +#ifdef PCIE_FULL_DONGLE + /* Initialize STA info list */ + INIT_LIST_HEAD(&ifp->sta_list); + DHD_IF_STA_LIST_LOCK_INIT(ifp); +#endif /* PCIE_FULL_DONGLE */ + +#ifdef DHD_L2_FILTER + ifp->phnd_arp_table = init_l2_filter_arp_table(dhdpub->osh); + ifp->parp_allnode = TRUE; +#endif + return ifp->net; + +fail: + + if (ifp != NULL) { + if (ifp->net != NULL) { + dhd_dev_priv_clear(ifp->net); + free_netdev(ifp->net); + ifp->net = NULL; + } + MFREE(dhdinfo->pub.osh, ifp, sizeof(*ifp)); + ifp = NULL; + } + + dhdinfo->iflist[ifidx] = NULL; + return NULL; +} + +/* unregister and free the the net_device interface associated with the indexed + * slot, also free the slot memory and set the slot pointer to NULL + */ +int +dhd_remove_if(dhd_pub_t *dhdpub, int ifidx, bool need_rtnl_lock) +{ + dhd_info_t *dhdinfo = (dhd_info_t *)dhdpub->info; + dhd_if_t *ifp; + + ifp = dhdinfo->iflist[ifidx]; + + if (ifp != NULL) { + if (ifp->net != NULL) { + DHD_ERROR(("deleting interface '%s' idx %d\n", ifp->net->name, ifp->idx)); + + /* in unregister_netdev case, the interface gets freed by net->destructor + * (which is set to free_netdev) + */ + if (ifp->net->reg_state == NETREG_UNINITIALIZED) { + free_netdev(ifp->net); + } else { + netif_tx_disable(ifp->net); + + + +#if defined(SET_RPS_CPUS) + custom_rps_map_clear(ifp->net->_rx); +#endif /* SET_RPS_CPUS */ +#if defined(SET_RPS_CPUS) +#if (defined(DHDTCPACK_SUPPRESS) && defined(BCMPCIE)) + dhd_tcpack_suppress_set(dhdpub, TCPACK_SUP_OFF); +#endif /* DHDTCPACK_SUPPRESS && BCMPCIE */ +#endif + if (need_rtnl_lock) + unregister_netdev(ifp->net); + else + unregister_netdevice(ifp->net); + } + ifp->net = NULL; + dhdinfo->iflist[ifidx] = NULL; + } +#ifdef DHD_WMF + dhd_wmf_cleanup(dhdpub, ifidx); +#endif /* DHD_WMF */ +#ifdef DHD_L2_FILTER + bcm_l2_filter_arp_table_update(dhdpub->osh, ifp->phnd_arp_table, TRUE, + NULL, FALSE, dhdpub->tickcnt); + deinit_l2_filter_arp_table(dhdpub->osh, ifp->phnd_arp_table); + ifp->phnd_arp_table = NULL; +#endif /* DHD_L2_FILTER */ + + dhd_if_del_sta_list(ifp); + + MFREE(dhdinfo->pub.osh, ifp, sizeof(*ifp)); + ifp = NULL; + } + + return BCME_OK; +} + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)) +static struct net_device_ops dhd_ops_pri = { + .ndo_open = dhd_open, + .ndo_stop = dhd_stop, + .ndo_get_stats = dhd_get_stats, + .ndo_do_ioctl = dhd_ioctl_entry, + .ndo_start_xmit = dhd_start_xmit, + .ndo_set_mac_address = dhd_set_mac_address, +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)) + .ndo_set_rx_mode = dhd_set_multicast_list, +#else + .ndo_set_multicast_list = dhd_set_multicast_list, +#endif +}; + +static struct net_device_ops dhd_ops_virt = { + .ndo_get_stats = dhd_get_stats, + .ndo_do_ioctl = dhd_ioctl_entry, + .ndo_start_xmit = dhd_start_xmit, + .ndo_set_mac_address = dhd_set_mac_address, +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)) + .ndo_set_rx_mode = dhd_set_multicast_list, +#else + .ndo_set_multicast_list = dhd_set_multicast_list, +#endif +}; +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)) */ + +#ifdef DEBUGGER +extern void debugger_init(void *bus_handle); +#endif + + +#ifdef SHOW_LOGTRACE +static char *logstrs_path = "/root/logstrs.bin"; +static char *st_str_file_path = "/root/rtecdc.bin"; +static char *map_file_path = "/root/rtecdc.map"; +static char *rom_st_str_file_path = "/root/roml.bin"; +static char *rom_map_file_path = "/root/roml.map"; + +#define BYTES_AHEAD_NUM 11 /* address in map file is before these many bytes */ +#define READ_NUM_BYTES 1000 /* read map file each time this No. of bytes */ +#define GO_BACK_FILE_POS_NUM_BYTES 100 /* set file pos back to cur pos */ +static char *ramstart_str = "text_start"; /* string in mapfile has addr ramstart */ +static char *rodata_start_str = "rodata_start"; /* string in mapfile has addr rodata start */ +static char *rodata_end_str = "rodata_end"; /* string in mapfile has addr rodata end */ +static char *ram_file_str = "rtecdc"; +static char *rom_file_str = "roml"; +#define RAMSTART_BIT 0x01 +#define RDSTART_BIT 0x02 +#define RDEND_BIT 0x04 +#define ALL_MAP_VAL (RAMSTART_BIT | RDSTART_BIT | RDEND_BIT) + +module_param(logstrs_path, charp, S_IRUGO); +module_param(st_str_file_path, charp, S_IRUGO); +module_param(map_file_path, charp, S_IRUGO); +module_param(rom_st_str_file_path, charp, S_IRUGO); +module_param(rom_map_file_path, charp, S_IRUGO); + +static void +dhd_init_logstrs_array(dhd_event_log_t *temp) +{ + struct file *filep = NULL; + struct kstat stat; + mm_segment_t fs; + char *raw_fmts = NULL; + int logstrs_size = 0; + + logstr_header_t *hdr = NULL; + uint32 *lognums = NULL; + char *logstrs = NULL; + int ram_index = 0; + char **fmts; + int num_fmts = 0; + uint32 i = 0; + int error = 0; + + fs = get_fs(); + set_fs(KERNEL_DS); + + filep = filp_open(logstrs_path, O_RDONLY, 0); + + if (IS_ERR(filep)) { + DHD_ERROR(("%s: Failed to open the file %s \n", __FUNCTION__, logstrs_path)); + goto fail; + } + error = vfs_stat(logstrs_path, &stat); + if (error) { + DHD_ERROR(("%s: Failed to stat file %s \n", __FUNCTION__, logstrs_path)); + goto fail; + } + logstrs_size = (int) stat.size; + + raw_fmts = kmalloc(logstrs_size, GFP_KERNEL); + if (raw_fmts == NULL) { + DHD_ERROR(("%s: Failed to allocate memory \n", __FUNCTION__)); + goto fail; + } + if (vfs_read(filep, raw_fmts, logstrs_size, &filep->f_pos) != logstrs_size) { + DHD_ERROR(("%s: Failed to read file %s", __FUNCTION__, logstrs_path)); + goto fail; + } + + /* Remember header from the logstrs.bin file */ + hdr = (logstr_header_t *) (raw_fmts + logstrs_size - + sizeof(logstr_header_t)); + + if (hdr->log_magic == LOGSTRS_MAGIC) { + /* + * logstrs.bin start with header. + */ + num_fmts = hdr->rom_logstrs_offset / sizeof(uint32); + ram_index = (hdr->ram_lognums_offset - + hdr->rom_lognums_offset) / sizeof(uint32); + lognums = (uint32 *) &raw_fmts[hdr->rom_lognums_offset]; + logstrs = (char *) &raw_fmts[hdr->rom_logstrs_offset]; + } else { + /* + * Legacy logstrs.bin format without header. + */ + num_fmts = *((uint32 *) (raw_fmts)) / sizeof(uint32); + if (num_fmts == 0) { + /* Legacy ROM/RAM logstrs.bin format: + * - ROM 'lognums' section + * - RAM 'lognums' section + * - ROM 'logstrs' section. + * - RAM 'logstrs' section. + * + * 'lognums' is an array of indexes for the strings in the + * 'logstrs' section. The first uint32 is 0 (index of first + * string in ROM 'logstrs' section). + * + * The 4324b5 is the only ROM that uses this legacy format. Use the + * fixed number of ROM fmtnums to find the start of the RAM + * 'lognums' section. Use the fixed first ROM string ("Con\n") to + * find the ROM 'logstrs' section. + */ + #define NUM_4324B5_ROM_FMTS 186 + #define FIRST_4324B5_ROM_LOGSTR "Con\n" + ram_index = NUM_4324B5_ROM_FMTS; + lognums = (uint32 *) raw_fmts; + num_fmts = ram_index; + logstrs = (char *) &raw_fmts[num_fmts << 2]; + while (strncmp(FIRST_4324B5_ROM_LOGSTR, logstrs, 4)) { + num_fmts++; + logstrs = (char *) &raw_fmts[num_fmts << 2]; + } + } else { + /* Legacy RAM-only logstrs.bin format: + * - RAM 'lognums' section + * - RAM 'logstrs' section. + * + * 'lognums' is an array of indexes for the strings in the + * 'logstrs' section. The first uint32 is an index to the + * start of 'logstrs'. Therefore, if this index is divided + * by 'sizeof(uint32)' it provides the number of logstr + * entries. + */ + ram_index = 0; + lognums = (uint32 *) raw_fmts; + logstrs = (char *) &raw_fmts[num_fmts << 2]; + } + } + fmts = kmalloc(num_fmts * sizeof(char *), GFP_KERNEL); + if (fmts == NULL) { + DHD_ERROR(("Failed to allocate fmts memory")); + goto fail; + } + + for (i = 0; i < num_fmts; i++) { + /* ROM lognums index into logstrs using 'rom_logstrs_offset' as a base + * (they are 0-indexed relative to 'rom_logstrs_offset'). + * + * RAM lognums are already indexed to point to the correct RAM logstrs (they + * are 0-indexed relative to the start of the logstrs.bin file). + */ + if (i == ram_index) { + logstrs = raw_fmts; + } + fmts[i] = &logstrs[lognums[i]]; + } + temp->fmts = fmts; + temp->raw_fmts = raw_fmts; + temp->num_fmts = num_fmts; + filp_close(filep, NULL); + set_fs(fs); + return; +fail: + if (raw_fmts) { + kfree(raw_fmts); + raw_fmts = NULL; + } + if (!IS_ERR(filep)) + filp_close(filep, NULL); + set_fs(fs); + temp->fmts = NULL; + return; +} + +static int +dhd_read_map(char *fname, uint32 *ramstart, uint32 *rodata_start, + uint32 *rodata_end) +{ + struct file *filep = NULL; + mm_segment_t fs; + char *raw_fmts = NULL; + uint32 read_size = READ_NUM_BYTES; + int error = 0; + char * cptr = NULL; + char c; + uint8 count = 0; + + *ramstart = 0; + *rodata_start = 0; + *rodata_end = 0; + + if (fname == NULL) { + DHD_ERROR(("%s: ERROR fname is NULL \n", __FUNCTION__)); + return BCME_ERROR; + } + + fs = get_fs(); + set_fs(KERNEL_DS); + + filep = filp_open(fname, O_RDONLY, 0); + if (IS_ERR(filep)) { + DHD_ERROR(("%s: Failed to open %s \n", __FUNCTION__, fname)); + goto fail; + } + + /* Allocate 1 byte more than read_size to terminate it with NULL */ + raw_fmts = kmalloc(read_size + 1, GFP_KERNEL); + if (raw_fmts == NULL) { + DHD_ERROR(("%s: Failed to allocate raw_fmts memory \n", __FUNCTION__)); + goto fail; + } + + /* read ram start, rodata_start and rodata_end values from map file */ + + while (count != ALL_MAP_VAL) + { + error = vfs_read(filep, raw_fmts, read_size, (&filep->f_pos)); + if (error < 0) { + DHD_ERROR(("%s: read failed %s err:%d \n", __FUNCTION__, + map_file_path, error)); + goto fail; + } + + if (error < read_size) { + /* + * since we reset file pos back to earlier pos by + * GO_BACK_FILE_POS_NUM_BYTES bytes we won't reach EOF. + * So if ret value is less than read_size, reached EOF don't read further + */ + break; + } + /* End raw_fmts with NULL as strstr expects NULL terminated strings */ + raw_fmts[read_size] = '\0'; + + /* Get ramstart address */ + if ((cptr = strstr(raw_fmts, ramstart_str))) { + cptr = cptr - BYTES_AHEAD_NUM; + sscanf(cptr, "%x %c text_start", ramstart, &c); + count |= RAMSTART_BIT; + } + + /* Get ram rodata start address */ + if ((cptr = strstr(raw_fmts, rodata_start_str))) { + cptr = cptr - BYTES_AHEAD_NUM; + sscanf(cptr, "%x %c rodata_start", rodata_start, &c); + count |= RDSTART_BIT; + } + + /* Get ram rodata end address */ + if ((cptr = strstr(raw_fmts, rodata_end_str))) { + cptr = cptr - BYTES_AHEAD_NUM; + sscanf(cptr, "%x %c rodata_end", rodata_end, &c); + count |= RDEND_BIT; + } + memset(raw_fmts, 0, read_size); + /* + * go back to predefined NUM of bytes so that we won't miss + * the string and addr even if it comes as splited in next read. + */ + filep->f_pos = filep->f_pos - GO_BACK_FILE_POS_NUM_BYTES; + } + + DHD_ERROR(("---ramstart: 0x%x, rodata_start: 0x%x, rodata_end:0x%x\n", + *ramstart, *rodata_start, *rodata_end)); + + DHD_ERROR(("readmap over \n")); + +fail: + if (raw_fmts) { + kfree(raw_fmts); + raw_fmts = NULL; + } + if (!IS_ERR(filep)) + filp_close(filep, NULL); + + set_fs(fs); + if (count == ALL_MAP_VAL) { + return BCME_OK; + } + DHD_ERROR(("readmap error 0X%x \n", count)); + return BCME_ERROR; +} + +static void +dhd_init_static_strs_array(dhd_event_log_t *temp, char *str_file, char *map_file) +{ + struct file *filep = NULL; + mm_segment_t fs; + char *raw_fmts = NULL; + uint32 logstrs_size = 0; + + int error = 0; + uint32 ramstart = 0; + uint32 rodata_start = 0; + uint32 rodata_end = 0; + uint32 logfilebase = 0; + + error = dhd_read_map(map_file, &ramstart, &rodata_start, &rodata_end); + if (error == BCME_ERROR) { + DHD_ERROR(("readmap Error!! \n")); + /* don't do event log parsing in actual case */ + if (strstr(str_file, ram_file_str) != NULL) { + temp->raw_sstr = NULL; + } else if (strstr(str_file, rom_file_str) != NULL) { + temp->rom_raw_sstr = NULL; + } + return; + } + DHD_ERROR(("ramstart: 0x%x, rodata_start: 0x%x, rodata_end:0x%x\n", + ramstart, rodata_start, rodata_end)); + + fs = get_fs(); + set_fs(KERNEL_DS); + + filep = filp_open(str_file, O_RDONLY, 0); + if (IS_ERR(filep)) { + DHD_ERROR(("%s: Failed to open the file %s \n", __FUNCTION__, str_file)); + goto fail; + } + + /* Full file size is huge. Just read required part */ + logstrs_size = rodata_end - rodata_start; + + raw_fmts = kmalloc(logstrs_size, GFP_KERNEL); + if (raw_fmts == NULL) { + DHD_ERROR(("%s: Failed to allocate raw_fmts memory \n", __FUNCTION__)); + goto fail; + } + + logfilebase = rodata_start - ramstart; + + error = generic_file_llseek(filep, logfilebase, SEEK_SET); + if (error < 0) { + DHD_ERROR(("%s: %s llseek failed %d \n", __FUNCTION__, str_file, error)); + goto fail; + } + + error = vfs_read(filep, raw_fmts, logstrs_size, (&filep->f_pos)); + if (error != logstrs_size) { + DHD_ERROR(("%s: %s read failed %d \n", __FUNCTION__, str_file, error)); + goto fail; + } + + if (strstr(str_file, ram_file_str) != NULL) { + temp->raw_sstr = raw_fmts; + temp->ramstart = ramstart; + temp->rodata_start = rodata_start; + temp->rodata_end = rodata_end; + } else if (strstr(str_file, rom_file_str) != NULL) { + temp->rom_raw_sstr = raw_fmts; + temp->rom_ramstart = ramstart; + temp->rom_rodata_start = rodata_start; + temp->rom_rodata_end = rodata_end; + } + + filp_close(filep, NULL); + set_fs(fs); + + return; +fail: + if (raw_fmts) { + kfree(raw_fmts); + raw_fmts = NULL; + } + if (!IS_ERR(filep)) + filp_close(filep, NULL); + set_fs(fs); + if (strstr(str_file, ram_file_str) != NULL) { + temp->raw_sstr = NULL; + } else if (strstr(str_file, rom_file_str) != NULL) { + temp->rom_raw_sstr = NULL; + } + return; +} + +#endif /* SHOW_LOGTRACE */ + + +dhd_pub_t * +dhd_attach(osl_t *osh, struct dhd_bus *bus, uint bus_hdrlen) +{ + dhd_info_t *dhd = NULL; + struct net_device *net = NULL; + char if_name[IFNAMSIZ] = {'\0'}; + uint32 bus_type = -1; + uint32 bus_num = -1; + uint32 slot_num = -1; + wifi_adapter_info_t *adapter = NULL; + + dhd_attach_states_t dhd_state = DHD_ATTACH_STATE_INIT; + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + +#ifdef STBLINUX + DHD_ERROR(("%s\n", driver_target)); +#endif /* STBLINUX */ + /* will implement get_ids for DBUS later */ +#if defined(BCMSDIO) + dhd_bus_get_ids(bus, &bus_type, &bus_num, &slot_num); +#endif + adapter = dhd_wifi_platform_get_adapter(bus_type, bus_num, slot_num); + + /* Allocate primary dhd_info */ + dhd = wifi_platform_prealloc(adapter, DHD_PREALLOC_DHD_INFO, sizeof(dhd_info_t)); + if (dhd == NULL) { + dhd = MALLOC(osh, sizeof(dhd_info_t)); + if (dhd == NULL) { + DHD_ERROR(("%s: OOM - alloc dhd_info\n", __FUNCTION__)); + goto fail; + } + } + memset(dhd, 0, sizeof(dhd_info_t)); + dhd_state |= DHD_ATTACH_STATE_DHD_ALLOC; + + dhd->unit = dhd_found + instance_base; /* do not increment dhd_found, yet */ + + dhd->pub.osh = osh; + dhd->adapter = adapter; + +#ifdef OOB_PARAM + dhd->pub.oob_disable = adapter->oob_disable; +#endif /* OOB_PARAM */ + +#ifdef GET_CUSTOM_MAC_ENABLE + wifi_platform_get_mac_addr(dhd->adapter, dhd->pub.mac.octet); +#endif /* GET_CUSTOM_MAC_ENABLE */ +#ifdef CUSTOM_FORCE_NODFS_FLAG + dhd->pub.dhd_cflags |= WLAN_PLAT_NODFS_FLAG; + dhd->pub.force_country_change = TRUE; +#endif /* CUSTOM_FORCE_NODFS_FLAG */ +#ifdef CUSTOM_COUNTRY_CODE + get_customized_country_code(dhd->adapter, + dhd->pub.dhd_cspec.country_abbrev, &dhd->pub.dhd_cspec, + dhd->pub.dhd_cflags); +#endif /* CUSTOM_COUNTRY_CODE */ + dhd->thr_dpc_ctl.thr_pid = DHD_PID_KT_TL_INVALID; + dhd->thr_wdt_ctl.thr_pid = DHD_PID_KT_INVALID; + + /* Initialize thread based operation and lock */ + sema_init(&dhd->sdsem, 1); + + /* Some DHD modules (e.g. cfg80211) configures operation mode based on firmware name. + * This is indeed a hack but we have to make it work properly before we have a better + * solution + */ + dhd_update_fw_nv_path(dhd); + + /* Link to info module */ + dhd->pub.info = dhd; + + + /* Link to bus module */ + dhd->pub.bus = bus; + dhd->pub.hdrlen = bus_hdrlen; + + /* Set network interface name if it was provided as module parameter */ + if (iface_name[0]) { + int len; + char ch; + strncpy(if_name, iface_name, IFNAMSIZ); + if_name[IFNAMSIZ - 1] = 0; + len = strlen(if_name); + ch = if_name[len - 1]; + if ((ch > '9' || ch < '0') && (len < IFNAMSIZ - 2)) + strcat(if_name, "%d"); + } + + /* Passing NULL to dngl_name to ensure host gets if_name in dngl_name member */ + net = dhd_allocate_if(&dhd->pub, 0, if_name, NULL, 0, TRUE, NULL); + if (net == NULL) { + goto fail; + } + + + dhd_state |= DHD_ATTACH_STATE_ADD_IF; +#ifdef DHD_L2_FILTER + /* initialize the l2_filter_cnt */ + dhd->pub.l2_filter_cnt = 0; +#endif +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31)) + net->open = NULL; +#else + net->netdev_ops = NULL; +#endif + + mutex_init(&dhd->dhd_iovar_mutex); + sema_init(&dhd->proto_sem, 1); + +#ifdef PROP_TXSTATUS + spin_lock_init(&dhd->wlfc_spinlock); + + dhd->pub.skip_fc = dhd_wlfc_skip_fc; + dhd->pub.plat_init = dhd_wlfc_plat_init; + dhd->pub.plat_deinit = dhd_wlfc_plat_deinit; + +#ifdef DHD_WLFC_THREAD + init_waitqueue_head(&dhd->pub.wlfc_wqhead); + dhd->pub.wlfc_thread = kthread_create(dhd_wlfc_transfer_packets, &dhd->pub, "wlfc-thread"); + if (IS_ERR(dhd->pub.wlfc_thread)) { + DHD_ERROR(("create wlfc thread failed\n")); + goto fail; + } else { + wake_up_process(dhd->pub.wlfc_thread); + } +#endif /* DHD_WLFC_THREAD */ +#endif /* PROP_TXSTATUS */ + + /* Initialize other structure content */ + init_waitqueue_head(&dhd->ioctl_resp_wait); + init_waitqueue_head(&dhd->d3ack_wait); + init_waitqueue_head(&dhd->ctrl_wait); + init_waitqueue_head(&dhd->dhd_bus_busy_state_wait); + dhd->pub.dhd_bus_busy_state = 0; + + /* Initialize the spinlocks */ + spin_lock_init(&dhd->sdlock); + spin_lock_init(&dhd->txqlock); + spin_lock_init(&dhd->dhd_lock); + spin_lock_init(&dhd->rxf_lock); +#if defined(RXFRAME_THREAD) + dhd->rxthread_enabled = TRUE; +#endif /* defined(RXFRAME_THREAD) */ + +#ifdef DHDTCPACK_SUPPRESS + spin_lock_init(&dhd->tcpack_lock); +#endif /* DHDTCPACK_SUPPRESS */ + + /* Initialize Wakelock stuff */ + spin_lock_init(&dhd->wakelock_spinlock); + spin_lock_init(&dhd->wakelock_evt_spinlock); + DHD_OS_WAKE_LOCK_INIT(dhd); + dhd->wakelock_wd_counter = 0; +#ifdef CONFIG_HAS_WAKELOCK + wake_lock_init(&dhd->wl_wdwake, WAKE_LOCK_SUSPEND, "wlan_wd_wake"); +#endif /* CONFIG_HAS_WAKELOCK */ + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + mutex_init(&dhd->dhd_net_if_mutex); + mutex_init(&dhd->dhd_suspend_mutex); +#endif + dhd_state |= DHD_ATTACH_STATE_WAKELOCKS_INIT; + + /* Attach and link in the protocol */ + if (dhd_prot_attach(&dhd->pub) != 0) { + DHD_ERROR(("dhd_prot_attach failed\n")); + goto fail; + } + dhd_state |= DHD_ATTACH_STATE_PROT_ATTACH; + +#ifdef WL_CFG80211 + /* Attach and link in the cfg80211 */ + dhd->pub.cfg80211_priv = wl_cfg80211_attach(net, &dhd->pub); + if (dhd->pub.cfg80211_priv == NULL) { + DHD_ERROR(("wl_cfg80211_attach failed\n")); + goto fail; + } + + dhd_monitor_init(&dhd->pub); + dhd_state |= DHD_ATTACH_STATE_CFG80211; +#endif +#ifdef DHD_LOG_DUMP + dhd_log_dump_init(&dhd->pub); +#endif /* DHD_LOG_DUMP */ +#if defined(WL_WIRELESS_EXT) + /* Attach and link in the iw */ + if (!(dhd_state & DHD_ATTACH_STATE_CFG80211)) { + if (wl_iw_attach(net, (void *)&dhd->pub) != 0) { + DHD_ERROR(("wl_iw_attach failed\n")); + goto fail; + } + dhd_state |= DHD_ATTACH_STATE_WL_ATTACH; + } +#endif /* defined(WL_WIRELESS_EXT) */ + +#ifdef SHOW_LOGTRACE + dhd_init_logstrs_array(&dhd->event_data); + dhd_init_static_strs_array(&dhd->event_data, st_str_file_path, map_file_path); + dhd_init_static_strs_array(&dhd->event_data, rom_st_str_file_path, rom_map_file_path); +#endif /* SHOW_LOGTRACE */ + + if (dhd_sta_pool_init(&dhd->pub, DHD_MAX_STA) != BCME_OK) { + DHD_ERROR(("%s: Initializing %u sta\n", __FUNCTION__, DHD_MAX_STA)); + goto fail; + } + + + + /* Set up the watchdog timer */ + init_timer(&dhd->timer); + dhd->timer.data = (ulong)dhd; + dhd->timer.function = dhd_watchdog; + dhd->default_wd_interval = dhd_watchdog_ms; + + if (dhd_watchdog_prio >= 0) { + /* Initialize watchdog thread */ + PROC_START(dhd_watchdog_thread, dhd, &dhd->thr_wdt_ctl, 0, "dhd_watchdog_thread"); + if (dhd->thr_wdt_ctl.thr_pid < 0) { + goto fail; + } + + } else { + dhd->thr_wdt_ctl.thr_pid = -1; + } + +#ifdef DHD_PCIE_RUNTIMEPM + /* Setup up the runtime PM Idlecount timer */ + init_timer(&dhd->rpm_timer); + dhd->rpm_timer.data = (ulong)dhd; + dhd->rpm_timer.function = dhd_runtimepm; + dhd->rpm_timer_valid = FALSE; + + dhd->thr_rpm_ctl.thr_pid = DHD_PID_KT_INVALID; + PROC_START(dhd_rpm_state_thread, dhd, &dhd->thr_rpm_ctl, 0, "dhd_rpm_state_thread"); + if (dhd->thr_rpm_ctl.thr_pid < 0) { + goto fail; + } +#endif /* DHD_PCIE_RUNTIMEPM */ + +#ifdef DEBUGGER + debugger_init((void *) bus); +#endif + + /* Set up the bottom half handler */ + if (dhd_dpc_prio >= 0) { + /* Initialize DPC thread */ + PROC_START(dhd_dpc_thread, dhd, &dhd->thr_dpc_ctl, 0, "dhd_dpc"); + if (dhd->thr_dpc_ctl.thr_pid < 0) { + goto fail; + } + } else { + /* use tasklet for dpc */ + tasklet_init(&dhd->tasklet, dhd_dpc, (ulong)dhd); + dhd->thr_dpc_ctl.thr_pid = -1; + } + + if (dhd->rxthread_enabled) { + bzero(&dhd->pub.skbbuf[0], sizeof(void *) * MAXSKBPEND); + /* Initialize RXF thread */ + PROC_START(dhd_rxf_thread, dhd, &dhd->thr_rxf_ctl, 0, "dhd_rxf"); + if (dhd->thr_rxf_ctl.thr_pid < 0) { + goto fail; + } + } + + dhd_state |= DHD_ATTACH_STATE_THREADS_CREATED; + +#if defined(CONFIG_PM_SLEEP) + if (!dhd_pm_notifier_registered) { + dhd_pm_notifier_registered = TRUE; + dhd->pm_notifier.notifier_call = dhd_pm_callback; + dhd->pm_notifier.priority = 10; + register_pm_notifier(&dhd->pm_notifier); + } + +#endif /* CONFIG_PM_SLEEP */ + +#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) + dhd->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 20; + dhd->early_suspend.suspend = dhd_early_suspend; + dhd->early_suspend.resume = dhd_late_resume; + register_early_suspend(&dhd->early_suspend); + dhd_state |= DHD_ATTACH_STATE_EARLYSUSPEND_DONE; +#endif /* CONFIG_HAS_EARLYSUSPEND && DHD_USE_EARLYSUSPEND */ + +#ifdef ARP_OFFLOAD_SUPPORT + dhd->pend_ipaddr = 0; + if (!dhd_inetaddr_notifier_registered) { + dhd_inetaddr_notifier_registered = TRUE; + register_inetaddr_notifier(&dhd_inetaddr_notifier); + } +#endif /* ARP_OFFLOAD_SUPPORT */ + +#if defined(CONFIG_IPV6) && defined(IPV6_NDO_SUPPORT) + if (!dhd_inet6addr_notifier_registered) { + dhd_inet6addr_notifier_registered = TRUE; + register_inet6addr_notifier(&dhd_inet6addr_notifier); + } +#endif /* CONFIG_IPV6 && IPV6_NDO_SUPPORT */ + dhd->dhd_deferred_wq = dhd_deferred_work_init((void *)dhd); +#ifdef DEBUG_CPU_FREQ + dhd->new_freq = alloc_percpu(int); + dhd->freq_trans.notifier_call = dhd_cpufreq_notifier; + cpufreq_register_notifier(&dhd->freq_trans, CPUFREQ_TRANSITION_NOTIFIER); +#endif +#ifdef DHDTCPACK_SUPPRESS +#ifdef BCMSDIO + dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_DELAYTX); +#elif defined(BCMPCIE) + dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_HOLD); +#else + dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_OFF); +#endif /* BCMSDIO */ +#endif /* DHDTCPACK_SUPPRESS */ + +#if defined(BCM_DNGL_EMBEDIMAGE) || defined(BCM_REQUEST_FW) +#endif /* defined(BCM_DNGL_EMBEDIMAGE) || defined(BCM_REQUEST_FW) */ + + dhd_state |= DHD_ATTACH_STATE_DONE; + dhd->dhd_state = dhd_state; + + dhd_found++; +#ifdef DHD_DEBUG_PAGEALLOC + register_page_corrupt_cb(dhd_page_corrupt_cb, &dhd->pub); +#endif /* DHD_DEBUG_PAGEALLOC */ + +#if defined(DHD_LB) + DHD_ERROR(("DHD LOAD BALANCING Enabled\n")); + + dhd_lb_set_default_cpus(dhd); + + /* Initialize the CPU Masks */ + if (dhd_cpumasks_init(dhd) == 0) { + + /* Now we have the current CPU maps, run through candidacy */ + dhd_select_cpu_candidacy(dhd); + + /* + * If we are able to initialize CPU masks, lets register to the + * CPU Hotplug framework to change the CPU for each job dynamically + * using candidacy algorithm. + */ + dhd->cpu_notifier.notifier_call = dhd_cpu_callback; + register_cpu_notifier(&dhd->cpu_notifier); /* Register a callback */ + } else { + /* + * We are unable to initialize CPU masks, so candidacy algorithm + * won't run, but still Load Balancing will be honoured based + * on the CPUs allocated for a given job statically during init + */ + dhd->cpu_notifier.notifier_call = NULL; + DHD_ERROR(("%s(): dhd_cpumasks_init failed CPUs for JOB would be static\n", + __FUNCTION__)); + } + + + DHD_LB_STATS_INIT(&dhd->pub); + + /* Initialize the Load Balancing Tasklets and Napi object */ +#if defined(DHD_LB_TXC) + tasklet_init(&dhd->tx_compl_tasklet, + dhd_lb_tx_compl_handler, (ulong)(&dhd->pub)); + INIT_WORK(&dhd->tx_compl_dispatcher_work, dhd_tx_compl_dispatcher_fn); + DHD_INFO(("%s load balance init tx_compl_tasklet\n", __FUNCTION__)); +#endif /* DHD_LB_TXC */ + +#if defined(DHD_LB_RXC) + tasklet_init(&dhd->rx_compl_tasklet, + dhd_lb_rx_compl_handler, (ulong)(&dhd->pub)); + INIT_WORK(&dhd->rx_compl_dispatcher_work, dhd_rx_compl_dispatcher_fn); + DHD_INFO(("%s load balance init rx_compl_tasklet\n", __FUNCTION__)); +#endif /* DHD_LB_RXC */ + +#if defined(DHD_LB_RXP) + __skb_queue_head_init(&dhd->rx_pend_queue); + skb_queue_head_init(&dhd->rx_napi_queue); + + /* Initialize the work that dispatches NAPI job to a given core */ + INIT_WORK(&dhd->rx_napi_dispatcher_work, dhd_rx_napi_dispatcher_fn); + DHD_INFO(("%s load balance init rx_napi_queue\n", __FUNCTION__)); +#endif /* DHD_LB_RXP */ + +#endif /* DHD_LB */ + + INIT_DELAYED_WORK(&dhd->dhd_memdump_work, dhd_memdump_work_handler); + + (void)dhd_sysfs_init(dhd); + + return &dhd->pub; + +fail: + if (dhd_state >= DHD_ATTACH_STATE_DHD_ALLOC) { + DHD_TRACE(("%s: Calling dhd_detach dhd_state 0x%x &dhd->pub %p\n", + __FUNCTION__, dhd_state, &dhd->pub)); + dhd->dhd_state = dhd_state; + dhd_detach(&dhd->pub); + dhd_free(&dhd->pub); + } + + return NULL; +} + +#include <linux/delay.h> + +void dhd_memdump_work_schedule(dhd_pub_t *dhdp, unsigned long msecs) +{ + dhd_info_t *dhd = (dhd_info_t*)dhdp->info; + + schedule_delayed_work(&dhd->dhd_memdump_work, msecs_to_jiffies(msecs)); +} + +int dhd_get_fw_mode(dhd_info_t *dhdinfo) +{ + if (strstr(dhdinfo->fw_path, "_apsta") != NULL) + return DHD_FLAG_HOSTAP_MODE; + if (strstr(dhdinfo->fw_path, "_p2p") != NULL) + return DHD_FLAG_P2P_MODE; + if (strstr(dhdinfo->fw_path, "_ibss") != NULL) + return DHD_FLAG_IBSS_MODE; + if (strstr(dhdinfo->fw_path, "_mfg") != NULL) + return DHD_FLAG_MFG_MODE; + + return DHD_FLAG_STA_MODE; +} + +bool dhd_update_fw_nv_path(dhd_info_t *dhdinfo) +{ + int fw_len; + int nv_len; + const char *fw = NULL; + const char *nv = NULL; + wifi_adapter_info_t *adapter = dhdinfo->adapter; + + + /* Update firmware and nvram path. The path may be from adapter info or module parameter + * The path from adapter info is used for initialization only (as it won't change). + * + * The firmware_path/nvram_path module parameter may be changed by the system at run + * time. When it changes we need to copy it to dhdinfo->fw_path. Also Android private + * command may change dhdinfo->fw_path. As such we need to clear the path info in + * module parameter after it is copied. We won't update the path until the module parameter + * is changed again (first character is not '\0') + */ + + /* set default firmware and nvram path for built-in type driver */ + if (!dhd_download_fw_on_driverload) { +#ifdef CONFIG_BCMDHD_FW_PATH + fw = CONFIG_BCMDHD_FW_PATH; +#endif /* CONFIG_BCMDHD_FW_PATH */ +#ifdef CONFIG_BCMDHD_NVRAM_PATH + nv = CONFIG_BCMDHD_NVRAM_PATH; +#endif /* CONFIG_BCMDHD_NVRAM_PATH */ + } + + /* check if we need to initialize the path */ + if (adapter && adapter->fw_path && adapter->fw_path[0] != '\0') + fw = adapter->fw_path; + + if (adapter && adapter->nv_path && adapter->nv_path[0] != '\0') + nv = adapter->nv_path; + + /* Use module parameter if it is valid, EVEN IF the path has not been initialized + * + * TODO: need a solution for multi-chip, can't use the same firmware for all chips + */ + if (firmware_path[0] != '\0') + fw = firmware_path; + if (nvram_path[0] != '\0') + nv = nvram_path; + + if (fw && fw[0] != '\0') { + fw_len = strlen(fw); + if (fw_len >= sizeof(dhdinfo->fw_path)) { + DHD_ERROR(("fw path len exceeds max len of dhdinfo->fw_path\n")); + return FALSE; + } + strncpy(dhdinfo->fw_path, fw, sizeof(dhdinfo->fw_path)); + if (dhdinfo->fw_path[fw_len-1] == '\n') + dhdinfo->fw_path[fw_len-1] = '\0'; + } + if (nv && nv[0] != '\0') { + nv_len = strlen(nv); + if (nv_len >= sizeof(dhdinfo->nv_path)) { + DHD_ERROR(("nvram path len exceeds max len of dhdinfo->nv_path\n")); + return FALSE; + } + strncpy(dhdinfo->nv_path, nv, sizeof(dhdinfo->nv_path)); + if (dhdinfo->nv_path[nv_len-1] == '\n') + dhdinfo->nv_path[nv_len-1] = '\0'; + } + + /* clear the path in module parameter */ + if (dhd_download_fw_on_driverload) { + firmware_path[0] = '\0'; + nvram_path[0] = '\0'; + } +#ifndef BCMEMBEDIMAGE + /* fw_path and nv_path are not mandatory for BCMEMBEDIMAGE */ + if (dhdinfo->fw_path[0] == '\0') { + DHD_ERROR(("firmware path not found\n")); + return FALSE; + } + if (dhdinfo->nv_path[0] == '\0') { + DHD_ERROR(("nvram path not found\n")); + return FALSE; + } +#endif /* BCMEMBEDIMAGE */ + + return TRUE; +} + +#ifdef CUSTOMER_HW4_DEBUG +bool dhd_validate_chipid(dhd_pub_t *dhdp) +{ + uint chipid = dhd_bus_chip_id(dhdp); + uint config_chipid; + +#ifdef BCM4359_CHIP + config_chipid = BCM4359_CHIP_ID; +#elif defined(BCM4358_CHIP) + config_chipid = BCM4358_CHIP_ID; +#elif defined(BCM4354_CHIP) + config_chipid = BCM4354_CHIP_ID; +#elif defined(BCM4356_CHIP) + config_chipid = BCM4356_CHIP_ID; +#elif defined(BCM4339_CHIP) + config_chipid = BCM4339_CHIP_ID; +#elif defined(BCM43349_CHIP) + config_chipid = BCM43349_CHIP_ID; +#elif defined(BCM4335_CHIP) + config_chipid = BCM4335_CHIP_ID; +#elif defined(BCM43241_CHIP) + config_chipid = BCM4324_CHIP_ID; +#elif defined(BCM4330_CHIP) + config_chipid = BCM4330_CHIP_ID; +#elif defined(BCM43430_CHIP) + config_chipid = BCM43430_CHIP_ID; +#elif defined(BCM4334W_CHIP) + config_chipid = BCM43342_CHIP_ID; +#elif defined(BCM43455_CHIP) + config_chipid = BCM4345_CHIP_ID; +#else + DHD_ERROR(("%s: Unknown chip id, if you use new chipset," + " please add CONFIG_BCMXXXX into the Kernel and" + " BCMXXXX_CHIP definition into the DHD driver\n", + __FUNCTION__)); + config_chipid = 0; + + return FALSE; +#endif /* BCM4354_CHIP */ + +#if defined(BCM4359_CHIP) + if (chipid == BCM4355_CHIP_ID && config_chipid == BCM4359_CHIP_ID) { + return TRUE; + } +#endif /* BCM4359_CHIP */ + + return config_chipid == chipid; +} +#endif /* CUSTOMER_HW4_DEBUG */ + +int +dhd_bus_start(dhd_pub_t *dhdp) +{ + int ret = -1; + dhd_info_t *dhd = (dhd_info_t*)dhdp->info; + unsigned long flags; + + ASSERT(dhd); + + DHD_TRACE(("Enter %s:\n", __FUNCTION__)); + + DHD_PERIM_LOCK(dhdp); + + /* try to download image and nvram to the dongle */ + if (dhd->pub.busstate == DHD_BUS_DOWN && dhd_update_fw_nv_path(dhd)) { + /* Indicate FW Download has not yet done */ + dhd->pub.is_fw_download_done = FALSE; + DHD_INFO(("%s download fw %s, nv %s\n", __FUNCTION__, dhd->fw_path, dhd->nv_path)); + ret = dhd_bus_download_firmware(dhd->pub.bus, dhd->pub.osh, + dhd->fw_path, dhd->nv_path); + if (ret < 0) { + DHD_ERROR(("%s: failed to download firmware %s\n", + __FUNCTION__, dhd->fw_path)); + DHD_PERIM_UNLOCK(dhdp); + return ret; + } + /* Indicate FW Download has succeeded */ + dhd->pub.is_fw_download_done = TRUE; + } + if (dhd->pub.busstate != DHD_BUS_LOAD) { + DHD_PERIM_UNLOCK(dhdp); + return -ENETDOWN; + } + + dhd_os_sdlock(dhdp); + + /* Start the watchdog timer */ + dhd->pub.tickcnt = 0; + dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms); + DHD_ENABLE_RUNTIME_PM(&dhd->pub); + + /* Bring up the bus */ + if ((ret = dhd_bus_init(&dhd->pub, FALSE)) != 0) { + + DHD_ERROR(("%s, dhd_bus_init failed %d\n", __FUNCTION__, ret)); + dhd_os_sdunlock(dhdp); + DHD_PERIM_UNLOCK(dhdp); + return ret; + } +#if defined(OOB_INTR_ONLY) || defined(BCMPCIE_OOB_HOST_WAKE) + OOB_PARAM_IF(!(dhd->pub.oob_disable)) { +#if defined(BCMPCIE_OOB_HOST_WAKE) + dhd_os_sdunlock(dhdp); +#endif /* BCMPCIE_OOB_HOST_WAKE */ + /* Host registration for OOB interrupt */ + if (dhd_bus_oob_intr_register(dhdp)) { + /* deactivate timer and wait for the handler to finish */ +#if !defined(BCMPCIE_OOB_HOST_WAKE) + DHD_GENERAL_LOCK(&dhd->pub, flags); + dhd->wd_timer_valid = FALSE; + DHD_GENERAL_UNLOCK(&dhd->pub, flags); + del_timer_sync(&dhd->timer); + + dhd_os_sdunlock(dhdp); +#endif /* !BCMPCIE_OOB_HOST_WAKE */ + DHD_DISABLE_RUNTIME_PM(&dhd->pub); + DHD_PERIM_UNLOCK(dhdp); + DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); + DHD_ERROR(("%s Host failed to register for OOB\n", __FUNCTION__)); + return -ENODEV; + } + +#if defined(BCMPCIE_OOB_HOST_WAKE) + dhd_os_sdlock(dhdp); + dhd_bus_oob_intr_set(dhdp, TRUE); +#else + /* Enable oob at firmware */ + dhd_enable_oob_intr(dhd->pub.bus, TRUE); +#endif /* BCMPCIE_OOB_HOST_WAKE */ + } +#endif +#ifdef PCIE_FULL_DONGLE + { + /* max_h2d_rings includes H2D common rings */ + uint32 max_h2d_rings = dhd_bus_max_h2d_queues(dhd->pub.bus); + + DHD_ERROR(("%s: Initializing %u h2drings\n", __FUNCTION__, + max_h2d_rings)); + if ((ret = dhd_flow_rings_init(&dhd->pub, max_h2d_rings)) != BCME_OK) { + dhd_os_sdunlock(dhdp); + DHD_PERIM_UNLOCK(dhdp); + return ret; + } + } +#endif /* PCIE_FULL_DONGLE */ + + /* Do protocol initialization necessary for IOCTL/IOVAR */ +#ifdef PCIE_FULL_DONGLE + dhd_os_sdunlock(dhdp); +#endif /* PCIE_FULL_DONGLE */ + ret = dhd_prot_init(&dhd->pub); + if (unlikely(ret) != BCME_OK) { + DHD_PERIM_UNLOCK(dhdp); + DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); + return ret; + } +#ifdef PCIE_FULL_DONGLE + dhd_os_sdlock(dhdp); +#endif /* PCIE_FULL_DONGLE */ + + /* If bus is not ready, can't come up */ + if (dhd->pub.busstate != DHD_BUS_DATA) { + DHD_GENERAL_LOCK(&dhd->pub, flags); + dhd->wd_timer_valid = FALSE; + DHD_GENERAL_UNLOCK(&dhd->pub, flags); + del_timer_sync(&dhd->timer); + DHD_ERROR(("%s failed bus is not ready\n", __FUNCTION__)); + DHD_DISABLE_RUNTIME_PM(&dhd->pub); + dhd_os_sdunlock(dhdp); + DHD_PERIM_UNLOCK(dhdp); + DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); + return -ENODEV; + } + + dhd_os_sdunlock(dhdp); + + /* Bus is ready, query any dongle information */ + if ((ret = dhd_sync_with_dongle(&dhd->pub)) < 0) { + DHD_GENERAL_LOCK(&dhd->pub, flags); + dhd->wd_timer_valid = FALSE; + DHD_GENERAL_UNLOCK(&dhd->pub, flags); + del_timer_sync(&dhd->timer); + DHD_ERROR(("%s failed to sync with dongle\n", __FUNCTION__)); + DHD_DISABLE_RUNTIME_PM(&dhd->pub); + DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); + DHD_PERIM_UNLOCK(dhdp); + return ret; + } + +#ifdef ARP_OFFLOAD_SUPPORT + if (dhd->pend_ipaddr) { +#ifdef AOE_IP_ALIAS_SUPPORT + aoe_update_host_ipv4_table(&dhd->pub, dhd->pend_ipaddr, TRUE, 0); +#endif /* AOE_IP_ALIAS_SUPPORT */ + dhd->pend_ipaddr = 0; + } +#endif /* ARP_OFFLOAD_SUPPORT */ + + DHD_PERIM_UNLOCK(dhdp); + return 0; +} +#ifdef WLTDLS +int _dhd_tdls_enable(dhd_pub_t *dhd, bool tdls_on, bool auto_on, struct ether_addr *mac) +{ + char iovbuf[WLC_IOCTL_SMLEN]; + uint32 tdls = tdls_on; + int ret = 0; + uint32 tdls_auto_op = 0; + uint32 tdls_idle_time = CUSTOM_TDLS_IDLE_MODE_SETTING; + int32 tdls_rssi_high = CUSTOM_TDLS_RSSI_THRESHOLD_HIGH; + int32 tdls_rssi_low = CUSTOM_TDLS_RSSI_THRESHOLD_LOW; + BCM_REFERENCE(mac); + if (!FW_SUPPORTED(dhd, tdls)) + return BCME_ERROR; + + if (dhd->tdls_enable == tdls_on) + goto auto_mode; + bcm_mkiovar("tdls_enable", (char *)&tdls, sizeof(tdls), iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s: tdls %d failed %d\n", __FUNCTION__, tdls, ret)); + goto exit; + } + dhd->tdls_enable = tdls_on; +auto_mode: + + tdls_auto_op = auto_on; + bcm_mkiovar("tdls_auto_op", (char *)&tdls_auto_op, sizeof(tdls_auto_op), + iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s: tdls_auto_op failed %d\n", __FUNCTION__, ret)); + goto exit; + } + + if (tdls_auto_op) { + bcm_mkiovar("tdls_idle_time", (char *)&tdls_idle_time, + sizeof(tdls_idle_time), iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s: tdls_idle_time failed %d\n", __FUNCTION__, ret)); + goto exit; + } + bcm_mkiovar("tdls_rssi_high", (char *)&tdls_rssi_high, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s: tdls_rssi_high failed %d\n", __FUNCTION__, ret)); + goto exit; + } + bcm_mkiovar("tdls_rssi_low", (char *)&tdls_rssi_low, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s: tdls_rssi_low failed %d\n", __FUNCTION__, ret)); + goto exit; + } + } + +exit: + return ret; +} +int dhd_tdls_enable(struct net_device *dev, bool tdls_on, bool auto_on, struct ether_addr *mac) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + int ret = 0; + if (dhd) + ret = _dhd_tdls_enable(&dhd->pub, tdls_on, auto_on, mac); + else + ret = BCME_ERROR; + return ret; +} +int +dhd_tdls_set_mode(dhd_pub_t *dhd, bool wfd_mode) +{ + char iovbuf[WLC_IOCTL_SMLEN]; + int ret = 0; + bool auto_on = false; + uint32 mode = wfd_mode; + +#ifdef ENABLE_TDLS_AUTO_MODE + if (wfd_mode) { + auto_on = false; + } else { + auto_on = true; + } +#else + auto_on = false; +#endif /* ENABLE_TDLS_AUTO_MODE */ + ret = _dhd_tdls_enable(dhd, false, auto_on, NULL); + if (ret < 0) { + DHD_ERROR(("Disable tdls_auto_op failed. %d\n", ret)); + return ret; + } + + + bcm_mkiovar("tdls_wfd_mode", (char *)&mode, sizeof(mode), + iovbuf, sizeof(iovbuf)); + if (((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) && + (ret != BCME_UNSUPPORTED)) { + DHD_ERROR(("%s: tdls_wfd_mode faile_wfd_mode %d\n", __FUNCTION__, ret)); + return ret; + } + + ret = _dhd_tdls_enable(dhd, true, auto_on, NULL); + if (ret < 0) { + DHD_ERROR(("enable tdls_auto_op failed. %d\n", ret)); + return ret; + } + + dhd->tdls_mode = mode; + return ret; +} +#ifdef PCIE_FULL_DONGLE +void dhd_tdls_update_peer_info(struct net_device *dev, bool connect, uint8 *da) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + dhd_pub_t *dhdp = (dhd_pub_t *)&dhd->pub; + tdls_peer_node_t *cur = dhdp->peer_tbl.node; + tdls_peer_node_t *new = NULL, *prev = NULL; + dhd_if_t *dhdif; + uint8 sa[ETHER_ADDR_LEN]; + int ifidx = dhd_net2idx(dhd, dev); + + if (ifidx == DHD_BAD_IF) + return; + + dhdif = dhd->iflist[ifidx]; + memcpy(sa, dhdif->mac_addr, ETHER_ADDR_LEN); + + if (connect) { + while (cur != NULL) { + if (!memcmp(da, cur->addr, ETHER_ADDR_LEN)) { + DHD_ERROR(("%s: TDLS Peer exist already %d\n", + __FUNCTION__, __LINE__)); + return; + } + cur = cur->next; + } + + new = MALLOC(dhdp->osh, sizeof(tdls_peer_node_t)); + if (new == NULL) { + DHD_ERROR(("%s: Failed to allocate memory\n", __FUNCTION__)); + return; + } + memcpy(new->addr, da, ETHER_ADDR_LEN); + new->next = dhdp->peer_tbl.node; + dhdp->peer_tbl.node = new; + dhdp->peer_tbl.tdls_peer_count++; + + } else { + while (cur != NULL) { + if (!memcmp(da, cur->addr, ETHER_ADDR_LEN)) { + dhd_flow_rings_delete_for_peer(dhdp, ifidx, da); + if (prev) + prev->next = cur->next; + else + dhdp->peer_tbl.node = cur->next; + MFREE(dhdp->osh, cur, sizeof(tdls_peer_node_t)); + dhdp->peer_tbl.tdls_peer_count--; + return; + } + prev = cur; + cur = cur->next; + } + DHD_ERROR(("%s: TDLS Peer Entry Not found\n", __FUNCTION__)); + } +} +#endif /* PCIE_FULL_DONGLE */ +#endif + +bool dhd_is_concurrent_mode(dhd_pub_t *dhd) +{ + if (!dhd) + return FALSE; + + if (dhd->op_mode & DHD_FLAG_CONCURR_MULTI_CHAN_MODE) + return TRUE; + else if ((dhd->op_mode & DHD_FLAG_CONCURR_SINGLE_CHAN_MODE) == + DHD_FLAG_CONCURR_SINGLE_CHAN_MODE) + return TRUE; + else + return FALSE; +} +#if !defined(AP) && defined(WLP2P) +/* From Android JerryBean release, the concurrent mode is enabled by default and the firmware + * name would be fw_bcmdhd.bin. So we need to determine whether P2P is enabled in the STA + * firmware and accordingly enable concurrent mode (Apply P2P settings). SoftAP firmware + * would still be named as fw_bcmdhd_apsta. + */ +uint32 +dhd_get_concurrent_capabilites(dhd_pub_t *dhd) +{ + int32 ret = 0; + char buf[WLC_IOCTL_SMLEN]; + bool mchan_supported = FALSE; + /* if dhd->op_mode is already set for HOSTAP and Manufacturing + * test mode, that means we only will use the mode as it is + */ + if (dhd->op_mode & (DHD_FLAG_HOSTAP_MODE | DHD_FLAG_MFG_MODE)) + return 0; + if (FW_SUPPORTED(dhd, vsdb)) { + mchan_supported = TRUE; + } + if (!FW_SUPPORTED(dhd, p2p)) { + DHD_TRACE(("Chip does not support p2p\n")); + return 0; + } else { + /* Chip supports p2p but ensure that p2p is really implemented in firmware or not */ + memset(buf, 0, sizeof(buf)); + bcm_mkiovar("p2p", 0, 0, buf, sizeof(buf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, buf, sizeof(buf), + FALSE, 0)) < 0) { + DHD_ERROR(("%s: Get P2P failed (error=%d)\n", __FUNCTION__, ret)); + return 0; + } else { + if (buf[0] == 1) { + /* By default, chip supports single chan concurrency, + * now lets check for mchan + */ + ret = DHD_FLAG_CONCURR_SINGLE_CHAN_MODE; + if (mchan_supported) + ret |= DHD_FLAG_CONCURR_MULTI_CHAN_MODE; + if (FW_SUPPORTED(dhd, rsdb)) { + ret |= DHD_FLAG_RSDB_MODE; + ret |= DHD_FLAG_MP2P_MODE; + /* @TODO Need to refine the usage of this flag + * based on firmware limitation of MP2P + */ + } + if (FW_SUPPORTED(dhd, mp2p)) { + ret |= DHD_FLAG_MP2P_MODE; + } +#if defined(WL_ENABLE_P2P_IF) || defined(WL_CFG80211_P2P_DEV_IF) + return ret; +#else + return 0; +#endif /* WL_ENABLE_P2P_IF || WL_CFG80211_P2P_DEV_IF */ + } + } + } + return 0; +} +#endif + +#ifdef SUPPORT_AP_POWERSAVE +#define RXCHAIN_PWRSAVE_PPS 10 +#define RXCHAIN_PWRSAVE_QUIET_TIME 10 +#define RXCHAIN_PWRSAVE_STAS_ASSOC_CHECK 0 +int dhd_set_ap_powersave(dhd_pub_t *dhdp, int ifidx, int enable) +{ + char iovbuf[128]; + int32 pps = RXCHAIN_PWRSAVE_PPS; + int32 quiet_time = RXCHAIN_PWRSAVE_QUIET_TIME; + int32 stas_assoc_check = RXCHAIN_PWRSAVE_STAS_ASSOC_CHECK; + + if (enable) { + bcm_mkiovar("rxchain_pwrsave_enable", (char *)&enable, 4, iovbuf, sizeof(iovbuf)); + if (dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, + iovbuf, sizeof(iovbuf), TRUE, 0) != BCME_OK) { + DHD_ERROR(("Failed to enable AP power save")); + } + bcm_mkiovar("rxchain_pwrsave_pps", (char *)&pps, 4, iovbuf, sizeof(iovbuf)); + if (dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, + iovbuf, sizeof(iovbuf), TRUE, 0) != BCME_OK) { + DHD_ERROR(("Failed to set pps")); + } + bcm_mkiovar("rxchain_pwrsave_quiet_time", (char *)&quiet_time, + 4, iovbuf, sizeof(iovbuf)); + if (dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, + iovbuf, sizeof(iovbuf), TRUE, 0) != BCME_OK) { + DHD_ERROR(("Failed to set quiet time")); + } + bcm_mkiovar("rxchain_pwrsave_stas_assoc_check", (char *)&stas_assoc_check, + 4, iovbuf, sizeof(iovbuf)); + if (dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, + iovbuf, sizeof(iovbuf), TRUE, 0) != BCME_OK) { + DHD_ERROR(("Failed to set stas assoc check")); + } + } else { + bcm_mkiovar("rxchain_pwrsave_enable", (char *)&enable, 4, iovbuf, sizeof(iovbuf)); + if (dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, + iovbuf, sizeof(iovbuf), TRUE, 0) != BCME_OK) { + DHD_ERROR(("Failed to disable AP power save")); + } + } + + return 0; +} +#endif /* SUPPORT_AP_POWERSAVE */ + + +int +dhd_preinit_ioctls(dhd_pub_t *dhd) +{ + int ret = 0; + char eventmask[WL_EVENTING_MASK_LEN]; + char iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" + '\0' + bitvec */ + uint32 buf_key_b4_m4 = 1; + uint8 msglen; + eventmsgs_ext_t *eventmask_msg = NULL; + char* iov_buf = NULL; + int ret2 = 0; +#if defined(CUSTOM_AMPDU_BA_WSIZE) + uint32 ampdu_ba_wsize = 0; +#endif +#if defined(CUSTOM_AMPDU_MPDU) + int32 ampdu_mpdu = 0; +#endif +#if defined(CUSTOM_AMPDU_RELEASE) + int32 ampdu_release = 0; +#endif +#if defined(CUSTOM_AMSDU_AGGSF) + int32 amsdu_aggsf = 0; +#endif + shub_control_t shub_ctl; +#if defined(BCMSDIO) +#ifdef PROP_TXSTATUS + int wlfc_enable = TRUE; +#ifndef DISABLE_11N + uint32 hostreorder = 1; +#endif /* DISABLE_11N */ +#endif /* PROP_TXSTATUS */ +#endif +#ifdef PCIE_FULL_DONGLE + uint32 wl_ap_isolate; +#endif /* PCIE_FULL_DONGLE */ + +#if defined(BCMSDIO) + /* by default frame burst is enabled for PCIe and disabled for SDIO dongles */ + uint32 frameburst = 0; +#else + uint32 frameburst = 1; +#endif /* BCMSDIO */ + +#ifdef DHD_ENABLE_LPC + uint32 lpc = 1; +#endif /* DHD_ENABLE_LPC */ + uint power_mode = PM_FAST; +#if defined(BCMSDIO) + uint32 dongle_align = DHD_SDALIGN; + uint32 glom = CUSTOM_GLOM_SETTING; +#endif /* defined(BCMSDIO) */ +#if defined(CUSTOMER_HW2) && defined(USE_WL_CREDALL) + uint32 credall = 1; +#endif +#if defined(VSDB) || defined(ROAM_ENABLE) + uint bcn_timeout = CUSTOM_BCN_TIMEOUT; +#else + uint bcn_timeout = 4; +#endif /* VSDB || ROAM_ENABLE */ +#ifdef ENABLE_BCN_LI_BCN_WAKEUP + uint32 bcn_li_bcn = 1; +#endif /* ENABLE_BCN_LI_BCN_WAKEUP */ + uint retry_max = CUSTOM_ASSOC_RETRY_MAX; +#if defined(ARP_OFFLOAD_SUPPORT) + int arpoe = 1; +#endif + int scan_assoc_time = DHD_SCAN_ASSOC_ACTIVE_TIME; + int scan_unassoc_time = DHD_SCAN_UNASSOC_ACTIVE_TIME; + int scan_passive_time = DHD_SCAN_PASSIVE_TIME; + char buf[WLC_IOCTL_SMLEN]; + char *ptr; + uint32 listen_interval = CUSTOM_LISTEN_INTERVAL; /* Default Listen Interval in Beacons */ +#ifdef ROAM_ENABLE + uint roamvar = 0; + int roam_trigger[2] = {CUSTOM_ROAM_TRIGGER_SETTING, WLC_BAND_ALL}; + int roam_scan_period[2] = {10, WLC_BAND_ALL}; + int roam_delta[2] = {CUSTOM_ROAM_DELTA_SETTING, WLC_BAND_ALL}; +#ifdef FULL_ROAMING_SCAN_PERIOD_60_SEC + int roam_fullscan_period = 60; +#else /* FULL_ROAMING_SCAN_PERIOD_60_SEC */ + int roam_fullscan_period = 120; +#endif /* FULL_ROAMING_SCAN_PERIOD_60_SEC */ +#else +#ifdef DISABLE_BUILTIN_ROAM + uint roamvar = 1; +#endif /* DISABLE_BUILTIN_ROAM */ +#endif /* ROAM_ENABLE */ + +#if defined(SOFTAP) + uint dtim = 1; +#endif +#if (defined(AP) && !defined(WLP2P)) || (!defined(AP) && defined(WL_CFG80211)) + uint32 mpc = 0; /* Turn MPC off for AP/APSTA mode */ + struct ether_addr p2p_ea; +#endif +#ifdef SOFTAP_UAPSD_OFF + uint32 wme_apsd = 0; +#endif /* SOFTAP_UAPSD_OFF */ +#if (defined(AP) || defined(WLP2P)) && !defined(SOFTAP_AND_GC) + uint32 apsta = 1; /* Enable APSTA mode */ +#elif defined(SOFTAP_AND_GC) + uint32 apsta = 0; + int ap_mode = 1; +#endif /* (defined(AP) || defined(WLP2P)) && !defined(SOFTAP_AND_GC) */ +#ifdef GET_CUSTOM_MAC_ENABLE + struct ether_addr ea_addr; +#endif /* GET_CUSTOM_MAC_ENABLE */ + +#ifdef DISABLE_11N + uint32 nmode = 0; +#endif /* DISABLE_11N */ + +#ifdef USE_WL_TXBF + uint32 txbf = 1; +#endif /* USE_WL_TXBF */ +#if defined(PROP_TXSTATUS) +#ifdef USE_WFA_CERT_CONF + uint32 proptx = 0; +#endif /* USE_WFA_CERT_CONF */ +#endif /* PROP_TXSTATUS */ +#ifdef CUSTOM_PSPRETEND_THR + uint32 pspretend_thr = CUSTOM_PSPRETEND_THR; +#endif + uint32 rsdb_mode = 0; + +#ifdef ENABLE_TEMP_THROTTLING + wl_temp_control_t temp_control; +#endif /* ENABLE_TEMP_THROTTLING */ +#ifdef DISABLE_PRUNED_SCAN + uint32 scan_features = 0; +#endif /* DISABLE_PRUNED_SCAN */ +#ifdef CUSTOM_EVENT_PM_WAKE + uint32 pm_awake_thresh = CUSTOM_EVENT_PM_WAKE; +#endif /* CUSTOM_EVENT_PM_WAKE */ +#ifdef PKT_FILTER_SUPPORT + dhd_pkt_filter_enable = TRUE; +#endif /* PKT_FILTER_SUPPORT */ +#ifdef WLTDLS + dhd->tdls_enable = FALSE; + dhd_tdls_set_mode(dhd, false); +#endif /* WLTDLS */ + dhd->suspend_bcn_li_dtim = CUSTOM_SUSPEND_BCN_LI_DTIM; +#ifdef ENABLE_MAX_DTIM_IN_SUSPEND + dhd->max_dtim_enable = TRUE; +#else + dhd->max_dtim_enable = FALSE; +#endif /* ENABLE_MAX_DTIM_IN_SUSPEND */ + DHD_TRACE(("Enter %s\n", __FUNCTION__)); + dhd->op_mode = 0; +#ifdef CUSTOMER_HW4_DEBUG + if (!dhd_validate_chipid(dhd)) { + DHD_ERROR(("%s: CONFIG_BCMXXX and CHIP ID(%x) is mismatched\n", + __FUNCTION__, dhd_bus_chip_id(dhd))); +#ifndef SUPPORT_MULTIPLE_CHIPS + ret = BCME_BADARG; + goto done; +#endif /* !SUPPORT_MULTIPLE_CHIPS */ + } +#endif /* CUSTOMER_HW4_DEBUG */ + if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_MFG_MODE) || + (op_mode == DHD_FLAG_MFG_MODE)) { +#ifdef DHD_PCIE_RUNTIMEPM + /* Disable RuntimePM in mfg mode */ + DHD_DISABLE_RUNTIME_PM(dhd); + DHD_ERROR(("%s : Disable RuntimePM in Manufactring Firmware\n", __FUNCTION__)); +#endif /* DHD_PCIE_RUNTIME_PM */ + /* Check and adjust IOCTL response timeout for Manufactring firmware */ + dhd_os_set_ioctl_resp_timeout(MFG_IOCTL_RESP_TIMEOUT); + DHD_ERROR(("%s : Set IOCTL response time for Manufactring Firmware\n", + __FUNCTION__)); + } else { + dhd_os_set_ioctl_resp_timeout(IOCTL_RESP_TIMEOUT); + DHD_INFO(("%s : Set IOCTL response time.\n", __FUNCTION__)); + } +#ifdef GET_CUSTOM_MAC_ENABLE + ret = wifi_platform_get_mac_addr(dhd->info->adapter, ea_addr.octet); + if (!ret) { + memset(buf, 0, sizeof(buf)); + bcm_mkiovar("cur_etheraddr", (void *)&ea_addr, ETHER_ADDR_LEN, buf, sizeof(buf)); + ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, sizeof(buf), TRUE, 0); + if (ret < 0) { + DHD_ERROR(("%s: can't set MAC address , error=%d\n", __FUNCTION__, ret)); + ret = BCME_NOTUP; + goto done; + } + memcpy(dhd->mac.octet, ea_addr.octet, ETHER_ADDR_LEN); + } else { +#endif /* GET_CUSTOM_MAC_ENABLE */ + /* Get the default device MAC address directly from firmware */ + memset(buf, 0, sizeof(buf)); + bcm_mkiovar("cur_etheraddr", 0, 0, buf, sizeof(buf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, buf, sizeof(buf), + FALSE, 0)) < 0) { + DHD_ERROR(("%s: can't get MAC address , error=%d\n", __FUNCTION__, ret)); + ret = BCME_NOTUP; + goto done; + } + /* Update public MAC address after reading from Firmware */ + memcpy(dhd->mac.octet, buf, ETHER_ADDR_LEN); + +#ifdef GET_CUSTOM_MAC_ENABLE + } +#endif /* GET_CUSTOM_MAC_ENABLE */ + +#ifdef DHD_USE_CLMINFO_PARSER + if ((ret = dhd_get_clminfo(dhd, clm_path)) < 0) { + DHD_ERROR(("%s: CLM Information load failed. Abort initialization.\n", + __FUNCTION__)); + goto done; + } +#endif /* DHD_USE_CLMINFO_PARSER */ + if ((ret = dhd_apply_default_clm(dhd, clm_path)) < 0) { + DHD_ERROR(("%s: CLM set failed. Abort initialization.\n", __FUNCTION__)); + goto done; + } + + /* get a capabilities from firmware */ + { + uint32 cap_buf_size = sizeof(dhd->fw_capabilities); + memset(dhd->fw_capabilities, 0, cap_buf_size); + bcm_mkiovar("cap", 0, 0, dhd->fw_capabilities, cap_buf_size - 1); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, dhd->fw_capabilities, + (cap_buf_size - 1), FALSE, 0)) < 0) + { + DHD_ERROR(("%s: Get Capability failed (error=%d)\n", + __FUNCTION__, ret)); + return 0; + } + + memmove(&dhd->fw_capabilities[1], dhd->fw_capabilities, (cap_buf_size - 1)); + dhd->fw_capabilities[0] = ' '; + dhd->fw_capabilities[cap_buf_size - 2] = ' '; + dhd->fw_capabilities[cap_buf_size - 1] = '\0'; + } + + if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_HOSTAP_MODE) || + (op_mode == DHD_FLAG_HOSTAP_MODE)) { +#ifdef SET_RANDOM_MAC_SOFTAP + uint rand_mac; +#endif /* SET_RANDOM_MAC_SOFTAP */ + dhd->op_mode = DHD_FLAG_HOSTAP_MODE; +#if defined(ARP_OFFLOAD_SUPPORT) + arpoe = 0; +#endif +#ifdef PKT_FILTER_SUPPORT + dhd_pkt_filter_enable = FALSE; +#endif +#ifdef SET_RANDOM_MAC_SOFTAP + SRANDOM32((uint)jiffies); + rand_mac = RANDOM32(); + iovbuf[0] = (unsigned char)(vendor_oui >> 16) | 0x02; /* local admin bit */ + iovbuf[1] = (unsigned char)(vendor_oui >> 8); + iovbuf[2] = (unsigned char)vendor_oui; + iovbuf[3] = (unsigned char)(rand_mac & 0x0F) | 0xF0; + iovbuf[4] = (unsigned char)(rand_mac >> 8); + iovbuf[5] = (unsigned char)(rand_mac >> 16); + + bcm_mkiovar("cur_etheraddr", (void *)iovbuf, ETHER_ADDR_LEN, buf, sizeof(buf)); + ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, sizeof(buf), TRUE, 0); + if (ret < 0) { + DHD_ERROR(("%s: can't set MAC address , error=%d\n", __FUNCTION__, ret)); + } else + memcpy(dhd->mac.octet, iovbuf, ETHER_ADDR_LEN); +#endif /* SET_RANDOM_MAC_SOFTAP */ +#if !defined(AP) && defined(WL_CFG80211) + /* Turn off MPC in AP mode */ + bcm_mkiovar("mpc", (char *)&mpc, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s mpc for HostAPD failed %d\n", __FUNCTION__, ret)); + } +#endif +#ifdef USE_DYNAMIC_F2_BLKSIZE + dhdsdio_func_blocksize(dhd, 2, DYNAMIC_F2_BLKSIZE_FOR_NONLEGACY); +#endif /* USE_DYNAMIC_F2_BLKSIZE */ +#ifdef SUPPORT_AP_POWERSAVE + dhd_set_ap_powersave(dhd, 0, TRUE); +#endif /* SUPPORT_AP_POWERSAVE */ +#ifdef SOFTAP_UAPSD_OFF + bcm_mkiovar("wme_apsd", (char *)&wme_apsd, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s: set wme_apsd 0 fail (error=%d)\n", + __FUNCTION__, ret)); + } +#endif /* SOFTAP_UAPSD_OFF */ + } else if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_MFG_MODE) || + (op_mode == DHD_FLAG_MFG_MODE)) { +#if defined(ARP_OFFLOAD_SUPPORT) + arpoe = 0; +#endif /* ARP_OFFLOAD_SUPPORT */ +#ifdef PKT_FILTER_SUPPORT + dhd_pkt_filter_enable = FALSE; +#endif /* PKT_FILTER_SUPPORT */ + dhd->op_mode = DHD_FLAG_MFG_MODE; +#ifdef USE_DYNAMIC_F2_BLKSIZE + dhdsdio_func_blocksize(dhd, 2, DYNAMIC_F2_BLKSIZE_FOR_NONLEGACY); +#endif /* USE_DYNAMIC_F2_BLKSIZE */ + if (FW_SUPPORTED(dhd, rsdb)) { + rsdb_mode = 0; + bcm_mkiovar("rsdb_mode", (char *)&rsdb_mode, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, + iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s Disable rsdb_mode is failed ret= %d\n", + __FUNCTION__, ret)); + } + } + } else { + uint32 concurrent_mode = 0; + if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_P2P_MODE) || + (op_mode == DHD_FLAG_P2P_MODE)) { +#if defined(ARP_OFFLOAD_SUPPORT) + arpoe = 0; +#endif +#ifdef PKT_FILTER_SUPPORT + dhd_pkt_filter_enable = FALSE; +#endif + dhd->op_mode = DHD_FLAG_P2P_MODE; + } else if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_IBSS_MODE) || + (op_mode == DHD_FLAG_IBSS_MODE)) { + dhd->op_mode = DHD_FLAG_IBSS_MODE; + } else + dhd->op_mode = DHD_FLAG_STA_MODE; +#if !defined(AP) && defined(WLP2P) + if (dhd->op_mode != DHD_FLAG_IBSS_MODE && + (concurrent_mode = dhd_get_concurrent_capabilites(dhd))) { +#if defined(ARP_OFFLOAD_SUPPORT) + arpoe = 1; +#endif + dhd->op_mode |= concurrent_mode; + } + + /* Check if we are enabling p2p */ + if (dhd->op_mode & DHD_FLAG_P2P_MODE) { + bcm_mkiovar("apsta", (char *)&apsta, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, + iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s APSTA for P2P failed ret= %d\n", __FUNCTION__, ret)); + } + +#if defined(SOFTAP_AND_GC) + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_AP, + (char *)&ap_mode, sizeof(ap_mode), TRUE, 0)) < 0) { + DHD_ERROR(("%s WLC_SET_AP failed %d\n", __FUNCTION__, ret)); + } +#endif + memcpy(&p2p_ea, &dhd->mac, ETHER_ADDR_LEN); + ETHER_SET_LOCALADDR(&p2p_ea); + bcm_mkiovar("p2p_da_override", (char *)&p2p_ea, + ETHER_ADDR_LEN, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, + iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s p2p_da_override ret= %d\n", __FUNCTION__, ret)); + } else { + DHD_INFO(("dhd_preinit_ioctls: p2p_da_override succeeded\n")); + } + } +#else + (void)concurrent_mode; +#endif + } + +#if defined(RSDB_MODE_FROM_FILE) + (void)dhd_rsdb_mode_from_file(dhd); +#endif + +#ifdef DISABLE_PRUNED_SCAN + if (FW_SUPPORTED(dhd, rsdb)) { + memset(iovbuf, 0, sizeof(iovbuf)); + bcm_mkiovar("scan_features", (char *)&scan_features, + 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, + iovbuf, sizeof(iovbuf), FALSE, 0)) < 0) { + DHD_ERROR(("%s get scan_features is failed ret=%d\n", + __FUNCTION__, ret)); + } else { + memcpy(&scan_features, iovbuf, 4); + scan_features &= ~RSDB_SCAN_DOWNGRADED_CH_PRUNE_ROAM; + memset(iovbuf, 0, sizeof(iovbuf)); + bcm_mkiovar("scan_features", (char *)&scan_features, + 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, + iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s set scan_features is failed ret=%d\n", + __FUNCTION__, ret)); + } + } + } +#endif /* DISABLE_PRUNED_SCAN */ + + DHD_ERROR(("Firmware up: op_mode=0x%04x, MAC="MACDBG"\n", + dhd->op_mode, MAC2STRDBG(dhd->mac.octet))); + #if defined(RXFRAME_THREAD) && defined(RXTHREAD_ONLYSTA) + if (dhd->op_mode == DHD_FLAG_HOSTAP_MODE) + dhd->info->rxthread_enabled = FALSE; + else + dhd->info->rxthread_enabled = TRUE; + #endif + /* Set Country code */ + if (dhd->dhd_cspec.ccode[0] != 0) { + bcm_mkiovar("country", (char *)&dhd->dhd_cspec, + sizeof(wl_country_t), iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) + DHD_ERROR(("%s: country code setting failed\n", __FUNCTION__)); + } + + + /* Set Listen Interval */ + bcm_mkiovar("assoc_listen", (char *)&listen_interval, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) + DHD_ERROR(("%s assoc_listen failed %d\n", __FUNCTION__, ret)); + +#if defined(ROAM_ENABLE) || defined(DISABLE_BUILTIN_ROAM) +#ifdef USE_WFA_CERT_CONF + if (sec_get_param_wfa_cert(dhd, SET_PARAM_ROAMOFF, &roamvar) == BCME_OK) { + DHD_ERROR(("%s: read roam_off param =%d\n", __FUNCTION__, roamvar)); + } +#endif /* USE_WFA_CERT_CONF */ + /* Disable built-in roaming to allowed ext supplicant to take care of roaming */ + bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#endif /* ROAM_ENABLE || DISABLE_BUILTIN_ROAM */ +#if defined(ROAM_ENABLE) + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_ROAM_TRIGGER, roam_trigger, + sizeof(roam_trigger), TRUE, 0)) < 0) + DHD_ERROR(("%s: roam trigger set failed %d\n", __FUNCTION__, ret)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_ROAM_SCAN_PERIOD, roam_scan_period, + sizeof(roam_scan_period), TRUE, 0)) < 0) + DHD_ERROR(("%s: roam scan period set failed %d\n", __FUNCTION__, ret)); + if ((dhd_wl_ioctl_cmd(dhd, WLC_SET_ROAM_DELTA, roam_delta, + sizeof(roam_delta), TRUE, 0)) < 0) + DHD_ERROR(("%s: roam delta set failed %d\n", __FUNCTION__, ret)); + bcm_mkiovar("fullroamperiod", (char *)&roam_fullscan_period, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) + DHD_ERROR(("%s: roam fullscan period set failed %d\n", __FUNCTION__, ret)); +#endif /* ROAM_ENABLE */ + +#ifdef CUSTOM_EVENT_PM_WAKE + bcm_mkiovar("const_awake_thresh", (char *)&pm_awake_thresh, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s set const_awake_thresh failed %d\n", __FUNCTION__, ret)); + } +#endif /* CUSTOM_EVENT_PM_WAKE */ +#ifdef WLTDLS +#ifdef ENABLE_TDLS_AUTO_MODE + /* by default TDLS on and auto mode on */ + _dhd_tdls_enable(dhd, true, true, NULL); +#else + /* by default TDLS on and auto mode off */ + _dhd_tdls_enable(dhd, true, false, NULL); +#endif /* ENABLE_TDLS_AUTO_MODE */ +#endif /* WLTDLS */ + +#ifdef DHD_ENABLE_LPC + /* Set lpc 1 */ + bcm_mkiovar("lpc", (char *)&lpc, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s Set lpc failed %d\n", __FUNCTION__, ret)); + + if (ret == BCME_NOTDOWN) { + uint wl_down = 1; + ret = dhd_wl_ioctl_cmd(dhd, WLC_DOWN, + (char *)&wl_down, sizeof(wl_down), TRUE, 0); + DHD_ERROR(("%s lpc fail WL_DOWN : %d, lpc = %d\n", __FUNCTION__, ret, lpc)); + + bcm_mkiovar("lpc", (char *)&lpc, 4, iovbuf, sizeof(iovbuf)); + ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + DHD_ERROR(("%s Set lpc ret --> %d\n", __FUNCTION__, ret)); + } + } +#endif /* DHD_ENABLE_LPC */ + + /* Set PowerSave mode */ + dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode, sizeof(power_mode), TRUE, 0); + +#if defined(BCMSDIO) + /* Match Host and Dongle rx alignment */ + bcm_mkiovar("bus:txglomalign", (char *)&dongle_align, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + +#if defined(CUSTOMER_HW2) && defined(USE_WL_CREDALL) + /* enable credall to reduce the chance of no bus credit happened. */ + bcm_mkiovar("bus:credall", (char *)&credall, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#endif + +#ifdef USE_WFA_CERT_CONF + if (sec_get_param_wfa_cert(dhd, SET_PARAM_BUS_TXGLOM_MODE, &glom) == BCME_OK) { + DHD_ERROR(("%s, read txglom param =%d\n", __FUNCTION__, glom)); + } +#endif /* USE_WFA_CERT_CONF */ + if (glom != DEFAULT_GLOM_VALUE) { + DHD_INFO(("%s set glom=0x%X\n", __FUNCTION__, glom)); + bcm_mkiovar("bus:txglom", (char *)&glom, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + } +#endif /* defined(BCMSDIO) */ + + /* Setup timeout if Beacons are lost and roam is off to report link down */ + bcm_mkiovar("bcn_timeout", (char *)&bcn_timeout, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + /* Setup assoc_retry_max count to reconnect target AP in dongle */ + bcm_mkiovar("assoc_retry_max", (char *)&retry_max, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#if defined(AP) && !defined(WLP2P) + /* Turn off MPC in AP mode */ + bcm_mkiovar("mpc", (char *)&mpc, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + bcm_mkiovar("apsta", (char *)&apsta, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#endif /* defined(AP) && !defined(WLP2P) */ + +#ifdef MIMO_ANT_SETTING + dhd_sel_ant_from_file(dhd); +#endif /* MIMO_ANT_SETTING */ + +#if defined(SOFTAP) + if (ap_fw_loaded == TRUE) { + dhd_wl_ioctl_cmd(dhd, WLC_SET_DTIMPRD, (char *)&dtim, sizeof(dtim), TRUE, 0); + } +#endif + +#if defined(KEEP_ALIVE) + { + /* Set Keep Alive : be sure to use FW with -keepalive */ + int res; + +#if defined(SOFTAP) + if (ap_fw_loaded == FALSE) +#endif + if (!(dhd->op_mode & + (DHD_FLAG_HOSTAP_MODE | DHD_FLAG_MFG_MODE))) { + if ((res = dhd_keep_alive_onoff(dhd)) < 0) + DHD_ERROR(("%s set keeplive failed %d\n", + __FUNCTION__, res)); + } + } +#endif /* defined(KEEP_ALIVE) */ + +#ifdef USE_WL_TXBF + bcm_mkiovar("txbf", (char *)&txbf, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s Set txbf returned (%d)\n", __FUNCTION__, ret)); + } +#endif /* USE_WL_TXBF */ + +#ifdef USE_WFA_CERT_CONF +#ifdef USE_WL_FRAMEBURST + if (sec_get_param_wfa_cert(dhd, SET_PARAM_FRAMEBURST, &frameburst) == BCME_OK) { + DHD_ERROR(("%s, read frameburst param=%d\n", __FUNCTION__, frameburst)); + } +#endif /* USE_WL_FRAMEBURST */ +#ifdef DISABLE_FRAMEBURST_VSDB + g_frameburst = frameburst; +#endif /* DISABLE_FRAMEBURST_VSDB */ +#endif /* USE_WFA_CERT_CONF */ +#ifdef DISABLE_WL_FRAMEBURST_SOFTAP + /* Disable Framebursting for SofAP */ + if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { + frameburst = 0; + } +#endif /* DISABLE_WL_FRAMEBURST_SOFTAP */ + /* Set frameburst to value */ + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_FAKEFRAG, (char *)&frameburst, + sizeof(frameburst), TRUE, 0)) < 0) { + DHD_INFO(("%s frameburst not supported %d\n", __FUNCTION__, ret)); + } +#if defined(CUSTOM_AMPDU_BA_WSIZE) + /* Set ampdu ba wsize to 64 or 16 */ +#ifdef CUSTOM_AMPDU_BA_WSIZE + ampdu_ba_wsize = CUSTOM_AMPDU_BA_WSIZE; +#endif + if (ampdu_ba_wsize != 0) { + bcm_mkiovar("ampdu_ba_wsize", (char *)&du_ba_wsize, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s Set ampdu_ba_wsize to %d failed %d\n", + __FUNCTION__, ampdu_ba_wsize, ret)); + } + } +#endif + + iov_buf = (char*)kmalloc(WLC_IOCTL_SMLEN, GFP_KERNEL); + if (iov_buf == NULL) { + DHD_ERROR(("failed to allocate %d bytes for iov_buf\n", WLC_IOCTL_SMLEN)); + ret = BCME_NOMEM; + goto done; + } +#ifdef ENABLE_TEMP_THROTTLING + if (dhd->op_mode & DHD_FLAG_STA_MODE) { + memset(&temp_control, 0, sizeof(temp_control)); + temp_control.enable = 1; + temp_control.control_bit = TEMP_THROTTLE_CONTROL_BIT; + bcm_mkiovar("temp_throttle_control", (char *)&temp_control, + sizeof(wl_temp_control_t), iov_buf, WLC_IOCTL_SMLEN); + ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iov_buf, WLC_IOCTL_SMLEN, TRUE, 0); + if (ret < 0) { + DHD_ERROR(("%s Set temp_throttle_control to %d failed \n", + __FUNCTION__, ret)); + } + } +#endif /* ENABLE_TEMP_THROTTLING */ +#if defined(CUSTOM_AMPDU_MPDU) + ampdu_mpdu = CUSTOM_AMPDU_MPDU; + if (ampdu_mpdu != 0 && (ampdu_mpdu <= ampdu_ba_wsize)) { + bcm_mkiovar("ampdu_mpdu", (char *)&du_mpdu, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s Set ampdu_mpdu to %d failed %d\n", + __FUNCTION__, CUSTOM_AMPDU_MPDU, ret)); + } + } +#endif /* CUSTOM_AMPDU_MPDU */ + +#if defined(CUSTOM_AMPDU_RELEASE) + ampdu_release = CUSTOM_AMPDU_RELEASE; + if (ampdu_release != 0 && (ampdu_release <= ampdu_ba_wsize)) { + bcm_mkiovar("ampdu_release", (char *)&du_release, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s Set ampdu_release to %d failed %d\n", + __FUNCTION__, CUSTOM_AMPDU_RELEASE, ret)); + } + } +#endif /* CUSTOM_AMPDU_RELEASE */ + +#if defined(CUSTOM_AMSDU_AGGSF) + amsdu_aggsf = CUSTOM_AMSDU_AGGSF; + if (amsdu_aggsf != 0) { + bcm_mkiovar("amsdu_aggsf", (char *)&amsdu_aggsf, 4, iovbuf, sizeof(iovbuf)); + ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + if (ret < 0) { + DHD_ERROR(("%s Set amsdu_aggsf to %d failed %d\n", + __FUNCTION__, CUSTOM_AMSDU_AGGSF, ret)); + } + } +#endif /* CUSTOM_AMSDU_AGGSF */ + +#ifdef CUSTOM_PSPRETEND_THR + /* Turn off MPC in AP mode */ + bcm_mkiovar("pspretend_threshold", (char *)&pspretend_thr, 4, + iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s pspretend_threshold for HostAPD failed %d\n", + __FUNCTION__, ret)); + } +#endif + + bcm_mkiovar("buf_key_b4_m4", (char *)&buf_key_b4_m4, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s buf_key_b4_m4 set failed %d\n", __FUNCTION__, ret)); + } + + /* Read event_msgs mask */ + bcm_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iovbuf, sizeof(iovbuf), FALSE, 0)) < 0) { + DHD_ERROR(("%s read Event mask failed %d\n", __FUNCTION__, ret)); + goto done; + } + bcopy(iovbuf, eventmask, WL_EVENTING_MASK_LEN); + + /* Setup event_msgs */ + setbit(eventmask, WLC_E_SET_SSID); + setbit(eventmask, WLC_E_PRUNE); + setbit(eventmask, WLC_E_AUTH); + setbit(eventmask, WLC_E_AUTH_IND); + setbit(eventmask, WLC_E_ASSOC); + setbit(eventmask, WLC_E_REASSOC); + setbit(eventmask, WLC_E_REASSOC_IND); + if (!(dhd->op_mode & DHD_FLAG_IBSS_MODE)) + setbit(eventmask, WLC_E_DEAUTH); + setbit(eventmask, WLC_E_DEAUTH_IND); + setbit(eventmask, WLC_E_DISASSOC_IND); + setbit(eventmask, WLC_E_DISASSOC); + setbit(eventmask, WLC_E_JOIN); + setbit(eventmask, WLC_E_START); + setbit(eventmask, WLC_E_ASSOC_IND); + setbit(eventmask, WLC_E_PSK_SUP); + setbit(eventmask, WLC_E_LINK); + setbit(eventmask, WLC_E_MIC_ERROR); + setbit(eventmask, WLC_E_ASSOC_REQ_IE); + setbit(eventmask, WLC_E_ASSOC_RESP_IE); +#ifndef WL_CFG80211 + setbit(eventmask, WLC_E_PMKID_CACHE); + setbit(eventmask, WLC_E_TXFAIL); +#endif + setbit(eventmask, WLC_E_JOIN_START); + setbit(eventmask, WLC_E_SCAN_COMPLETE); +#ifdef DHD_DEBUG + setbit(eventmask, WLC_E_SCAN_CONFIRM_IND); +#endif +#ifdef WLMEDIA_HTSF + setbit(eventmask, WLC_E_HTSFSYNC); +#endif /* WLMEDIA_HTSF */ +#ifdef PNO_SUPPORT + setbit(eventmask, WLC_E_PFN_NET_FOUND); + setbit(eventmask, WLC_E_PFN_BEST_BATCHING); + setbit(eventmask, WLC_E_PFN_BSSID_NET_FOUND); + setbit(eventmask, WLC_E_PFN_BSSID_NET_LOST); +#endif /* PNO_SUPPORT */ + /* enable dongle roaming event */ + setbit(eventmask, WLC_E_ROAM); + setbit(eventmask, WLC_E_BSSID); +#ifdef WLTDLS + setbit(eventmask, WLC_E_TDLS_PEER_EVENT); +#endif /* WLTDLS */ +#ifdef WL_CFG80211 + setbit(eventmask, WLC_E_ESCAN_RESULT); + setbit(eventmask, WLC_E_AP_STARTED); + if (dhd->op_mode & DHD_FLAG_P2P_MODE) { + setbit(eventmask, WLC_E_ACTION_FRAME_RX); + setbit(eventmask, WLC_E_P2P_DISC_LISTEN_COMPLETE); + } +#endif /* WL_CFG80211 */ + +#if defined(SHOW_LOGTRACE) && defined(LOGTRACE_FROM_FILE) + if (dhd_logtrace_from_file(dhd)) { + setbit(eventmask, WLC_E_TRACE); + } else { + clrbit(eventmask, WLC_E_TRACE); + } +#elif defined(SHOW_LOGTRACE) + setbit(eventmask, WLC_E_TRACE); +#else + clrbit(eventmask, WLC_E_TRACE); +#endif /* defined(SHOW_LOGTRACE) && defined(LOGTRACE_FROM_FILE) */ + + setbit(eventmask, WLC_E_CSA_COMPLETE_IND); +#ifdef DHD_LOSSLESS_ROAMING + setbit(eventmask, WLC_E_ROAM_PREP); +#endif +#ifdef CUSTOM_EVENT_PM_WAKE + setbit(eventmask, WLC_E_EXCESS_PM_WAKE_EVENT); +#endif /* CUSTOM_EVENT_PM_WAKE */ +#if defined(PCIE_FULL_DONGLE) && defined(DHD_LOSSLESS_ROAMING) + dhd_update_flow_prio_map(dhd, DHD_FLOW_PRIO_LLR_MAP); +#endif /* defined(PCIE_FULL_DONGLE) && defined(DHD_LOSSLESS_ROAMING) */ + + /* Write updated Event mask */ + bcm_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s Set Event mask failed %d\n", __FUNCTION__, ret)); + goto done; + } + + /* make up event mask ext message iovar for event larger than 128 */ + msglen = ROUNDUP(WLC_E_LAST, NBBY)/NBBY + EVENTMSGS_EXT_STRUCT_SIZE; + eventmask_msg = (eventmsgs_ext_t*)kmalloc(msglen, GFP_KERNEL); + if (eventmask_msg == NULL) { + DHD_ERROR(("failed to allocate %d bytes for event_msg_ext\n", msglen)); + ret = BCME_NOMEM; + goto done; + } + bzero(eventmask_msg, msglen); + eventmask_msg->ver = EVENTMSGS_VER; + eventmask_msg->len = ROUNDUP(WLC_E_LAST, NBBY)/NBBY; + + /* Read event_msgs_ext mask */ + bcm_mkiovar("event_msgs_ext", (char *)eventmask_msg, msglen, iov_buf, WLC_IOCTL_SMLEN); + ret2 = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iov_buf, WLC_IOCTL_SMLEN, FALSE, 0); + if (ret2 == 0) { /* event_msgs_ext must be supported */ + bcopy(iov_buf, eventmask_msg, msglen); +#ifdef GSCAN_SUPPORT + setbit(eventmask_msg->mask, WLC_E_PFN_GSCAN_FULL_RESULT); + setbit(eventmask_msg->mask, WLC_E_PFN_SCAN_COMPLETE); + setbit(eventmask_msg->mask, WLC_E_PFN_SWC); +#endif /* GSCAN_SUPPORT */ +#ifdef BT_WIFI_HANDOVER + setbit(eventmask_msg->mask, WLC_E_BT_WIFI_HANDOVER_REQ); +#endif /* BT_WIFI_HANDOVER */ + setbit(eventmask_msg->mask, WLC_E_SDB_TRANSITION); +#ifdef ENABLE_TEMP_THROTTLING + setbit(eventmask_msg->mask, WLC_E_TEMP_THROTTLE); +#endif /* ENABLE_TEMP_THROTTLING */ + + /* Write updated Event mask */ + eventmask_msg->ver = EVENTMSGS_VER; + eventmask_msg->command = EVENTMSGS_SET_MASK; + eventmask_msg->len = ROUNDUP(WLC_E_LAST, NBBY)/NBBY; + bcm_mkiovar("event_msgs_ext", (char *)eventmask_msg, + msglen, iov_buf, WLC_IOCTL_SMLEN); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, + iov_buf, WLC_IOCTL_SMLEN, TRUE, 0)) < 0) { + DHD_ERROR(("%s write event mask ext failed %d\n", __FUNCTION__, ret)); + goto done; + } + } else if (ret2 == BCME_UNSUPPORTED || ret2 == BCME_VERSION) { + /* Skip for BCME_UNSUPPORTED or BCME_VERSION */ + DHD_ERROR(("%s event_msgs_ext not support or version mismatch %d\n", + __FUNCTION__, ret2)); + } else { + DHD_ERROR(("%s read event mask ext failed %d\n", __FUNCTION__, ret2)); + ret = ret2; + goto done; + } + + dhd_wl_ioctl_cmd(dhd, WLC_SET_SCAN_CHANNEL_TIME, (char *)&scan_assoc_time, + sizeof(scan_assoc_time), TRUE, 0); + dhd_wl_ioctl_cmd(dhd, WLC_SET_SCAN_UNASSOC_TIME, (char *)&scan_unassoc_time, + sizeof(scan_unassoc_time), TRUE, 0); + dhd_wl_ioctl_cmd(dhd, WLC_SET_SCAN_PASSIVE_TIME, (char *)&scan_passive_time, + sizeof(scan_passive_time), TRUE, 0); + +#ifdef ARP_OFFLOAD_SUPPORT + /* Set and enable ARP offload feature for STA only */ +#if defined(SOFTAP) + if (arpoe && !ap_fw_loaded) { +#else + if (arpoe) { +#endif + dhd_arp_offload_enable(dhd, TRUE); + dhd_arp_offload_set(dhd, dhd_arp_mode); + } else { + dhd_arp_offload_enable(dhd, FALSE); + dhd_arp_offload_set(dhd, 0); + } + dhd_arp_enable = arpoe; +#endif /* ARP_OFFLOAD_SUPPORT */ + +#ifdef PKT_FILTER_SUPPORT + /* Setup default defintions for pktfilter , enable in suspend */ + dhd->pktfilter_count = 6; + dhd->pktfilter[DHD_BROADCAST_FILTER_NUM] = NULL; + if (!FW_SUPPORTED(dhd, pf6)) { + dhd->pktfilter[DHD_MULTICAST4_FILTER_NUM] = NULL; + dhd->pktfilter[DHD_MULTICAST6_FILTER_NUM] = NULL; + } else { + /* Immediately pkt filter TYPE 6 Discard IPv4/IPv6 Multicast Packet */ + dhd->pktfilter[DHD_MULTICAST4_FILTER_NUM] = DISCARD_IPV4_MCAST; + dhd->pktfilter[DHD_MULTICAST6_FILTER_NUM] = DISCARD_IPV6_MCAST; + } + /* apply APP pktfilter */ + dhd->pktfilter[DHD_ARP_FILTER_NUM] = "105 0 0 12 0xFFFF 0x0806"; + + /* Setup filter to allow only unicast */ + dhd->pktfilter[DHD_UNICAST_FILTER_NUM] = "100 0 0 0 0x01 0x00"; + + /* Add filter to pass multicastDNS packet and NOT filter out as Broadcast */ + dhd->pktfilter[DHD_MDNS_FILTER_NUM] = NULL; + if (FW_SUPPORTED(dhd, pf6)) { + /* Immediately pkt filter TYPE 6 Dicard Broadcast IP packet */ + dhd->pktfilter[DHD_IP4BCAST_DROP_FILTER_NUM] = + "107 1 6 IP4_H:16 0xf0 !0xe0 IP4_H:19 0xff 0xff"; + dhd->pktfilter_count = 8; + } + +#ifdef GAN_LITE_NAT_KEEPALIVE_FILTER + dhd->pktfilter_count = 4; + /* Setup filter to block broadcast and NAT Keepalive packets */ + /* discard all broadcast packets */ + dhd->pktfilter[DHD_UNICAST_FILTER_NUM] = "100 0 0 0 0xffffff 0xffffff"; + /* discard NAT Keepalive packets */ + dhd->pktfilter[DHD_BROADCAST_FILTER_NUM] = "102 0 0 36 0xffffffff 0x11940009"; + /* discard NAT Keepalive packets */ + dhd->pktfilter[DHD_MULTICAST4_FILTER_NUM] = "104 0 0 38 0xffffffff 0x11940009"; + dhd->pktfilter[DHD_MULTICAST6_FILTER_NUM] = NULL; +#endif /* GAN_LITE_NAT_KEEPALIVE_FILTER */ + +#if defined(SOFTAP) + if (ap_fw_loaded) { + dhd_enable_packet_filter(0, dhd); + } +#endif /* defined(SOFTAP) */ + dhd_set_packet_filter(dhd); +#endif /* PKT_FILTER_SUPPORT */ +#ifdef DISABLE_11N + bcm_mkiovar("nmode", (char *)&nmode, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) + DHD_ERROR(("%s wl nmode 0 failed %d\n", __FUNCTION__, ret)); +#endif /* DISABLE_11N */ + +#ifdef ENABLE_BCN_LI_BCN_WAKEUP + bcm_mkiovar("bcn_li_bcn", (char *)&bcn_li_bcn, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#endif /* ENABLE_BCN_LI_BCN_WAKEUP */ + /* query for 'clmver' to get clm version info from firmware */ + memset(buf, 0, sizeof(buf)); + bcm_mkiovar("clmver", (char *)&buf, 4, buf, sizeof(buf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, buf, sizeof(buf), FALSE, 0)) < 0) + DHD_ERROR(("%s failed %d\n", __FUNCTION__, ret)); + else { + char *clmver_temp_buf = NULL; + + if ((clmver_temp_buf = bcmstrstr(buf, "Data:")) == NULL) { + DHD_ERROR(("Couldn't find \"Data:\"\n")); + } else { + ptr = (clmver_temp_buf + strlen("Data:")); + if ((clmver_temp_buf = bcmstrtok(&ptr, "\n", 0)) == NULL) { + DHD_ERROR(("Couldn't find New line character\n")); + } else { + memset(clm_version, 0, CLM_VER_STR_LEN); + strncpy(clm_version, clmver_temp_buf, + MIN(strlen(clmver_temp_buf), CLM_VER_STR_LEN - 1)); + DHD_ERROR(("clm version = %s\n", clm_version)); + } + } + } + + /* query for 'ver' to get version info from firmware */ + memset(buf, 0, sizeof(buf)); + ptr = buf; + bcm_mkiovar("ver", (char *)&buf, 4, buf, sizeof(buf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, buf, sizeof(buf), FALSE, 0)) < 0) + DHD_ERROR(("%s failed %d\n", __FUNCTION__, ret)); + else { + bcmstrtok(&ptr, "\n", 0); + /* Print fw version info */ + DHD_ERROR(("Firmware version = %s\n", buf)); + strncpy(fw_version, buf, FW_VER_STR_LEN); + fw_version[FW_VER_STR_LEN-1] = '\0'; +#if defined(BCMSDIO) + dhd_set_version_info(dhd, buf); +#endif /* defined(BCMSDIO) */ +#ifdef WRITE_WLANINFO + sec_save_wlinfo(buf, EPI_VERSION_STR, dhd->info->nv_path, clm_version); +#endif /* WRITE_WLANINFO */ + } + +#if defined(BCMSDIO) + dhd_txglom_enable(dhd, TRUE); +#endif /* defined(BCMSDIO) */ + +#if defined(BCMSDIO) +#ifdef PROP_TXSTATUS + if (disable_proptx || +#ifdef PROP_TXSTATUS_VSDB + /* enable WLFC only if the firmware is VSDB when it is in STA mode */ + (dhd->op_mode != DHD_FLAG_HOSTAP_MODE && + dhd->op_mode != DHD_FLAG_IBSS_MODE) || +#endif /* PROP_TXSTATUS_VSDB */ + FALSE) { + wlfc_enable = FALSE; + } + +#ifdef USE_WFA_CERT_CONF + if (sec_get_param_wfa_cert(dhd, SET_PARAM_PROPTX, &proptx) == BCME_OK) { + DHD_ERROR(("%s , read proptx param=%d\n", __FUNCTION__, proptx)); + wlfc_enable = proptx; + } +#endif /* USE_WFA_CERT_CONF */ + +#ifndef DISABLE_11N + bcm_mkiovar("ampdu_hostreorder", (char *)&hostreorder, 4, iovbuf, sizeof(iovbuf)); + if ((ret2 = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s wl ampdu_hostreorder failed %d\n", __FUNCTION__, ret2)); + if (ret2 != BCME_UNSUPPORTED) + ret = ret2; + + if (ret == BCME_NOTDOWN) { + uint wl_down = 1; + ret2 = dhd_wl_ioctl_cmd(dhd, WLC_DOWN, (char *)&wl_down, + sizeof(wl_down), TRUE, 0); + DHD_ERROR(("%s ampdu_hostreorder fail WL_DOWN : %d, hostreorder :%d\n", + __FUNCTION__, ret2, hostreorder)); + + bcm_mkiovar("ampdu_hostreorder", (char *)&hostreorder, 4, + iovbuf, sizeof(iovbuf)); + ret2 = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + DHD_ERROR(("%s wl ampdu_hostreorder. ret --> %d\n", __FUNCTION__, ret2)); + if (ret2 != BCME_UNSUPPORTED) + ret = ret2; + } + if (ret2 != BCME_OK) + hostreorder = 0; + } +#endif /* DISABLE_11N */ + + + if (wlfc_enable) + dhd_wlfc_init(dhd); +#ifndef DISABLE_11N + else if (hostreorder) + dhd_wlfc_hostreorder_init(dhd); +#endif /* DISABLE_11N */ + +#endif /* PROP_TXSTATUS */ +#endif /* BCMSDIO || BCMBUS */ +#ifdef PCIE_FULL_DONGLE + /* For FD we need all the packets at DHD to handle intra-BSS forwarding */ + if (FW_SUPPORTED(dhd, ap)) { + wl_ap_isolate = AP_ISOLATE_SENDUP_ALL; + bcm_mkiovar("ap_isolate", (char *)&wl_ap_isolate, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) + DHD_ERROR(("%s failed %d\n", __FUNCTION__, ret)); + } +#endif /* PCIE_FULL_DONGLE */ +#ifdef PNO_SUPPORT + if (!dhd->pno_state) { + dhd_pno_init(dhd); + } +#endif +#ifdef WL11U + dhd_interworking_enable(dhd); +#endif /* WL11U */ + +#ifdef SUPPORT_SENSORHUB + bcm_mkiovar("shub", (char *)&(shub_ctl.enable), 4, iovbuf, sizeof(iovbuf)); + if ((ret2 = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iovbuf, sizeof(iovbuf), + FALSE, 0)) < 0) { + DHD_ERROR(("%s failed to get shub hub enable information %d\n", + __FUNCTION__, ret2)); + dhd->info->shub_enable = 0; + } else { + memcpy(&shub_ctl, iovbuf, sizeof(shub_ctl)); + dhd->info->shub_enable = shub_ctl.enable; + DHD_ERROR(("%s: checking sensorhub enable %d\n", + __FUNCTION__, dhd->info->shub_enable)); + } +#else + dhd->info->shub_enable = FALSE; + shub_ctl.enable = FALSE; + bcm_mkiovar("shub", (char *)&shub_ctl, sizeof(shub_ctl), + iovbuf, sizeof(iovbuf)); + if ((dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), + FALSE, 0)) < 0) { + DHD_ERROR(("%s failed to set ShubHub disable\n", + __FUNCTION__)); + } +#endif /* SUPPORT_SENSORHUB */ +done: + + if (eventmask_msg) + kfree(eventmask_msg); + if (iov_buf) + kfree(iov_buf); + + return ret; +} + + +int +dhd_iovar(dhd_pub_t *pub, int ifidx, char *name, char *cmd_buf, uint cmd_len, int set) +{ + char buf[strlen(name) + 1 + cmd_len]; + int len = sizeof(buf); + wl_ioctl_t ioc; + int ret; + + len = bcm_mkiovar(name, cmd_buf, cmd_len, buf, len); + + memset(&ioc, 0, sizeof(ioc)); + + ioc.cmd = set? WLC_SET_VAR : WLC_GET_VAR; + ioc.buf = buf; + ioc.len = len; + ioc.set = set; + + ret = dhd_wl_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len); + if (!set && ret >= 0) + memcpy(cmd_buf, buf, cmd_len); + + return ret; +} + +int dhd_change_mtu(dhd_pub_t *dhdp, int new_mtu, int ifidx) +{ + struct dhd_info *dhd = dhdp->info; + struct net_device *dev = NULL; + + ASSERT(dhd && dhd->iflist[ifidx]); + dev = dhd->iflist[ifidx]->net; + ASSERT(dev); + + if (netif_running(dev)) { + DHD_ERROR(("%s: Must be down to change its MTU", dev->name)); + return BCME_NOTDOWN; + } + +#define DHD_MIN_MTU 1500 +#define DHD_MAX_MTU 1752 + + if ((new_mtu < DHD_MIN_MTU) || (new_mtu > DHD_MAX_MTU)) { + DHD_ERROR(("%s: MTU size %d is invalid.\n", __FUNCTION__, new_mtu)); + return BCME_BADARG; + } + + dev->mtu = new_mtu; + return 0; +} + +#ifdef ARP_OFFLOAD_SUPPORT +/* add or remove AOE host ip(s) (up to 8 IPs on the interface) */ +void +aoe_update_host_ipv4_table(dhd_pub_t *dhd_pub, u32 ipa, bool add, int idx) +{ + u32 ipv4_buf[MAX_IPV4_ENTRIES]; /* temp save for AOE host_ip table */ + int i; + int ret; + + bzero(ipv4_buf, sizeof(ipv4_buf)); + + /* display what we've got */ + ret = dhd_arp_get_arp_hostip_table(dhd_pub, ipv4_buf, sizeof(ipv4_buf), idx); + DHD_ARPOE(("%s: hostip table read from Dongle:\n", __FUNCTION__)); +#ifdef AOE_DBG + dhd_print_buf(ipv4_buf, 32, 4); /* max 8 IPs 4b each */ +#endif + /* now we saved hoste_ip table, clr it in the dongle AOE */ + dhd_aoe_hostip_clr(dhd_pub, idx); + + if (ret) { + DHD_ERROR(("%s failed\n", __FUNCTION__)); + return; + } + + for (i = 0; i < MAX_IPV4_ENTRIES; i++) { + if (add && (ipv4_buf[i] == 0)) { + ipv4_buf[i] = ipa; + add = FALSE; /* added ipa to local table */ + DHD_ARPOE(("%s: Saved new IP in temp arp_hostip[%d]\n", + __FUNCTION__, i)); + } else if (ipv4_buf[i] == ipa) { + ipv4_buf[i] = 0; + DHD_ARPOE(("%s: removed IP:%x from temp table %d\n", + __FUNCTION__, ipa, i)); + } + + if (ipv4_buf[i] != 0) { + /* add back host_ip entries from our local cache */ + dhd_arp_offload_add_ip(dhd_pub, ipv4_buf[i], idx); + DHD_ARPOE(("%s: added IP:%x to dongle arp_hostip[%d]\n\n", + __FUNCTION__, ipv4_buf[i], i)); + } + } +#ifdef AOE_DBG + /* see the resulting hostip table */ + dhd_arp_get_arp_hostip_table(dhd_pub, ipv4_buf, sizeof(ipv4_buf), idx); + DHD_ARPOE(("%s: read back arp_hostip table:\n", __FUNCTION__)); + dhd_print_buf(ipv4_buf, 32, 4); /* max 8 IPs 4b each */ +#endif +} + +/* + * Notification mechanism from kernel to our driver. This function is called by the Linux kernel + * whenever there is an event related to an IP address. + * ptr : kernel provided pointer to IP address that has changed + */ +static int dhd_inetaddr_notifier_call(struct notifier_block *this, + unsigned long event, + void *ptr) +{ + struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; + + dhd_info_t *dhd; + dhd_pub_t *dhd_pub; + int idx; + + if (!dhd_arp_enable) + return NOTIFY_DONE; + if (!ifa || !(ifa->ifa_dev->dev)) + return NOTIFY_DONE; + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)) + /* Filter notifications meant for non Broadcom devices */ + if ((ifa->ifa_dev->dev->netdev_ops != &dhd_ops_pri) && + (ifa->ifa_dev->dev->netdev_ops != &dhd_ops_virt)) { +#if defined(WL_ENABLE_P2P_IF) + if (!wl_cfgp2p_is_ifops(ifa->ifa_dev->dev->netdev_ops)) +#endif /* WL_ENABLE_P2P_IF */ + return NOTIFY_DONE; + } +#endif /* LINUX_VERSION_CODE */ + + dhd = DHD_DEV_INFO(ifa->ifa_dev->dev); + if (!dhd) + return NOTIFY_DONE; + + dhd_pub = &dhd->pub; + + if (dhd_pub->arp_version == 1) { + idx = 0; + } else { + for (idx = 0; idx < DHD_MAX_IFS; idx++) { + if (dhd->iflist[idx] && dhd->iflist[idx]->net == ifa->ifa_dev->dev) + break; + } + if (idx < DHD_MAX_IFS) { + DHD_TRACE(("ifidx : %p %s %d\n", dhd->iflist[idx]->net, + dhd->iflist[idx]->name, dhd->iflist[idx]->idx)); + } else { + DHD_ERROR(("Cannot find ifidx for(%s) set to 0\n", ifa->ifa_label)); + idx = 0; + } + } + + switch (event) { + case NETDEV_UP: + DHD_ARPOE(("%s: [%s] Up IP: 0x%x\n", + __FUNCTION__, ifa->ifa_label, ifa->ifa_address)); + + if (dhd->pub.busstate != DHD_BUS_DATA) { + DHD_ERROR(("%s: bus not ready, exit\n", __FUNCTION__)); + if (dhd->pend_ipaddr) { + DHD_ERROR(("%s: overwrite pending ipaddr: 0x%x\n", + __FUNCTION__, dhd->pend_ipaddr)); + } + dhd->pend_ipaddr = ifa->ifa_address; + break; + } + +#ifdef AOE_IP_ALIAS_SUPPORT + DHD_ARPOE(("%s:add aliased IP to AOE hostip cache\n", + __FUNCTION__)); + aoe_update_host_ipv4_table(dhd_pub, ifa->ifa_address, TRUE, idx); +#endif /* AOE_IP_ALIAS_SUPPORT */ + break; + + case NETDEV_DOWN: + DHD_ARPOE(("%s: [%s] Down IP: 0x%x\n", + __FUNCTION__, ifa->ifa_label, ifa->ifa_address)); + dhd->pend_ipaddr = 0; +#ifdef AOE_IP_ALIAS_SUPPORT + DHD_ARPOE(("%s:interface is down, AOE clr all for this if\n", + __FUNCTION__)); + aoe_update_host_ipv4_table(dhd_pub, ifa->ifa_address, FALSE, idx); +#else + dhd_aoe_hostip_clr(&dhd->pub, idx); + dhd_aoe_arp_clr(&dhd->pub, idx); +#endif /* AOE_IP_ALIAS_SUPPORT */ + break; + + default: + DHD_ARPOE(("%s: do noting for [%s] Event: %lu\n", + __func__, ifa->ifa_label, event)); + break; + } + return NOTIFY_DONE; +} +#endif /* ARP_OFFLOAD_SUPPORT */ + +#if defined(CONFIG_IPV6) && defined(IPV6_NDO_SUPPORT) +/* Neighbor Discovery Offload: defered handler */ +static void +dhd_inet6_work_handler(void *dhd_info, void *event_data, u8 event) +{ + struct ipv6_work_info_t *ndo_work = (struct ipv6_work_info_t *)event_data; + dhd_pub_t *pub = &((dhd_info_t *)dhd_info)->pub; + int ret; + + if (event != DHD_WQ_WORK_IPV6_NDO) { + DHD_ERROR(("%s: unexpected event \n", __FUNCTION__)); + return; + } + + if (!ndo_work) { + DHD_ERROR(("%s: ipv6 work info is not initialized \n", __FUNCTION__)); + return; + } + + if (!pub) { + DHD_ERROR(("%s: dhd pub is not initialized \n", __FUNCTION__)); + return; + } + + if (ndo_work->if_idx) { + DHD_ERROR(("%s: idx %d \n", __FUNCTION__, ndo_work->if_idx)); + return; + } + + switch (ndo_work->event) { + case NETDEV_UP: + DHD_TRACE(("%s: Enable NDO and add ipv6 into table \n ", __FUNCTION__)); + ret = dhd_ndo_enable(pub, TRUE); + if (ret < 0) { + DHD_ERROR(("%s: Enabling NDO Failed %d\n", __FUNCTION__, ret)); + } + + ret = dhd_ndo_add_ip(pub, &ndo_work->ipv6_addr[0], ndo_work->if_idx); + if (ret < 0) { + DHD_ERROR(("%s: Adding host ip for NDO failed %d\n", + __FUNCTION__, ret)); + } + break; + case NETDEV_DOWN: + DHD_TRACE(("%s: clear ipv6 table \n", __FUNCTION__)); + ret = dhd_ndo_remove_ip(pub, ndo_work->if_idx); + if (ret < 0) { + DHD_ERROR(("%s: Removing host ip for NDO failed %d\n", + __FUNCTION__, ret)); + goto done; + } + + ret = dhd_ndo_enable(pub, FALSE); + if (ret < 0) { + DHD_ERROR(("%s: disabling NDO Failed %d\n", __FUNCTION__, ret)); + goto done; + } + break; + default: + DHD_ERROR(("%s: unknown notifier event \n", __FUNCTION__)); + break; + } +done: + /* free ndo_work. alloced while scheduling the work */ + kfree(ndo_work); + + return; +} + +/* + * Neighbor Discovery Offload: Called when an interface + * is assigned with ipv6 address. + * Handles only primary interface + */ +static int dhd_inet6addr_notifier_call(struct notifier_block *this, + unsigned long event, + void *ptr) +{ + dhd_info_t *dhd; + dhd_pub_t *dhd_pub; + struct inet6_ifaddr *inet6_ifa = ptr; + struct in6_addr *ipv6_addr = &inet6_ifa->addr; + struct ipv6_work_info_t *ndo_info; + int idx = 0; /* REVISIT */ + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)) + /* Filter notifications meant for non Broadcom devices */ + if (inet6_ifa->idev->dev->netdev_ops != &dhd_ops_pri) { + return NOTIFY_DONE; + } +#endif /* LINUX_VERSION_CODE */ + + dhd = DHD_DEV_INFO(inet6_ifa->idev->dev); + if (!dhd) + return NOTIFY_DONE; + + if (dhd->iflist[idx] && dhd->iflist[idx]->net != inet6_ifa->idev->dev) + return NOTIFY_DONE; + dhd_pub = &dhd->pub; + + if (!FW_SUPPORTED(dhd_pub, ndoe)) + return NOTIFY_DONE; + + ndo_info = (struct ipv6_work_info_t *)kzalloc(sizeof(struct ipv6_work_info_t), GFP_ATOMIC); + if (!ndo_info) { + DHD_ERROR(("%s: ipv6 work alloc failed\n", __FUNCTION__)); + return NOTIFY_DONE; + } + + ndo_info->event = event; + ndo_info->if_idx = idx; + memcpy(&ndo_info->ipv6_addr[0], ipv6_addr, IPV6_ADDR_LEN); + + /* defer the work to thread as it may block kernel */ + dhd_deferred_schedule_work(dhd->dhd_deferred_wq, (void *)ndo_info, DHD_WQ_WORK_IPV6_NDO, + dhd_inet6_work_handler, DHD_WORK_PRIORITY_LOW); + return NOTIFY_DONE; +} +#endif /* CONFIG_IPV6 && IPV6_NDO_SUPPORT */ + +int +dhd_register_if(dhd_pub_t *dhdp, int ifidx, bool need_rtnl_lock) +{ + dhd_info_t *dhd = (dhd_info_t *)dhdp->info; + dhd_if_t *ifp; + struct net_device *net = NULL; + int err = 0; + uint8 temp_addr[ETHER_ADDR_LEN] = { 0x00, 0x90, 0x4c, 0x11, 0x22, 0x33 }; + + DHD_TRACE(("%s: ifidx %d\n", __FUNCTION__, ifidx)); + + ASSERT(dhd && dhd->iflist[ifidx]); + ifp = dhd->iflist[ifidx]; + net = ifp->net; + ASSERT(net && (ifp->idx == ifidx)); + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31)) + ASSERT(!net->open); + net->get_stats = dhd_get_stats; + net->do_ioctl = dhd_ioctl_entry; + net->hard_start_xmit = dhd_start_xmit; + net->set_mac_address = dhd_set_mac_address; + net->set_multicast_list = dhd_set_multicast_list; + net->open = net->stop = NULL; +#else + ASSERT(!net->netdev_ops); + net->netdev_ops = &dhd_ops_virt; +#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31) */ + + /* Ok, link into the network layer... */ + if (ifidx == 0) { + /* + * device functions for the primary interface only + */ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31)) + net->open = dhd_open; + net->stop = dhd_stop; +#else + net->netdev_ops = &dhd_ops_pri; +#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31) */ + if (!ETHER_ISNULLADDR(dhd->pub.mac.octet)) + memcpy(temp_addr, dhd->pub.mac.octet, ETHER_ADDR_LEN); + } else { + /* + * We have to use the primary MAC for virtual interfaces + */ + memcpy(temp_addr, ifp->mac_addr, ETHER_ADDR_LEN); + /* + * Android sets the locally administered bit to indicate that this is a + * portable hotspot. This will not work in simultaneous AP/STA mode, + * nor with P2P. Need to set the Donlge's MAC address, and then use that. + */ + if (!memcmp(temp_addr, dhd->iflist[0]->mac_addr, + ETHER_ADDR_LEN)) { + DHD_ERROR(("%s interface [%s]: set locally administered bit in MAC\n", + __func__, net->name)); + temp_addr[0] |= 0x02; + } + } + + net->hard_header_len = ETH_HLEN + dhd->pub.hdrlen; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) + net->ethtool_ops = &dhd_ethtool_ops; +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) */ + +#if defined(WL_WIRELESS_EXT) +#if WIRELESS_EXT < 19 + net->get_wireless_stats = dhd_get_wireless_stats; +#endif /* WIRELESS_EXT < 19 */ +#if WIRELESS_EXT > 12 + net->wireless_handlers = (struct iw_handler_def *)&wl_iw_handler_def; +#endif /* WIRELESS_EXT > 12 */ +#endif /* defined(WL_WIRELESS_EXT) */ + + dhd->pub.rxsz = DBUS_RX_BUFFER_SIZE_DHD(net); + + memcpy(net->dev_addr, temp_addr, ETHER_ADDR_LEN); + + if (ifidx == 0) + printf("%s\n", dhd_version); + + if (need_rtnl_lock) + err = register_netdev(net); + else + err = register_netdevice(net); + + if (err != 0) { + DHD_ERROR(("couldn't register the net device [%s], err %d\n", net->name, err)); + goto fail; + } + + + + printf("Register interface [%s] MAC: "MACDBG"\n\n", net->name, +#if defined(CUSTOMER_HW4_DEBUG) + MAC2STRDBG(dhd->pub.mac.octet)); +#else + MAC2STRDBG(net->dev_addr)); +#endif /* CUSTOMER_HW4_DEBUG */ + +#if defined(SOFTAP) && defined(WL_WIRELESS_EXT) && !defined(WL_CFG80211) + wl_iw_iscan_set_scan_broadcast_prep(net, 1); +#endif + +#if (defined(BCMPCIE) || (defined(BCMLXSDMMC) && (LINUX_VERSION_CODE >= \ + KERNEL_VERSION(2, 6, 27)))) + if (ifidx == 0) { +#ifdef BCMLXSDMMC + up(&dhd_registration_sem); +#endif /* BCMLXSDMMC */ +#ifndef ENABLE_INSMOD_NO_FW_LOAD + if (!dhd_download_fw_on_driverload) { +#ifdef WL_CFG80211 + wl_terminate_event_handler(DHD_GET_CFG80211_PRIV(dhdp)); +#endif /* WL_CFG80211 */ +#if defined(DHD_LB) && defined(DHD_LB_RXP) + __skb_queue_purge(&dhd->rx_pend_queue); +#endif /* DHD_LB && DHD_LB_RXP */ +#if defined(BCMPCIE) && defined(DHDTCPACK_SUPPRESS) + dhd_tcpack_suppress_set(dhdp, TCPACK_SUP_OFF); +#endif /* BCMPCIE && DHDTCPACK_SUPPRESS */ + dhd_net_bus_devreset(net, TRUE); +#ifdef BCMLXSDMMC + dhd_net_bus_suspend(net); +#endif /* BCMLXSDMMC */ + wifi_platform_set_power(dhdp->info->adapter, FALSE, WIFI_TURNOFF_DELAY); + } +#endif /* ENABLE_INSMOD_NO_FW_LOAD */ + } +#endif /* OEM_ANDROID && (BCMPCIE || (BCMLXSDMMC && KERNEL_VERSION >= 2.6.27)) */ + return 0; + +fail: +#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31) + net->open = NULL; +#else + net->netdev_ops = NULL; +#endif + return err; +} + +void +dhd_bus_detach(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd; + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + if (dhdp) { + dhd = (dhd_info_t *)dhdp->info; + if (dhd) { + + /* + * In case of Android cfg80211 driver, the bus is down in dhd_stop, + * calling stop again will cuase SD read/write errors. + */ + if (dhd->pub.busstate != DHD_BUS_DOWN) { + /* Stop the protocol module */ + dhd_prot_stop(&dhd->pub); + + /* Stop the bus module */ + dhd_bus_stop(dhd->pub.bus, TRUE); + } + +#if defined(OOB_INTR_ONLY) || defined(BCMPCIE_OOB_HOST_WAKE) + OOB_PARAM_IF(!(dhdp->oob_disable)) { + dhd_bus_oob_intr_unregister(dhdp); + } +#endif + } + } +} + + +void dhd_detach(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd; + unsigned long flags; + int timer_valid = FALSE; + struct net_device *dev; + + if (!dhdp) + return; + + dhd = (dhd_info_t *)dhdp->info; + if (!dhd) + return; + + dev = dhd->iflist[0]->net; + + if (dev) { + rtnl_lock(); + if (dev->flags & IFF_UP) { + /* If IFF_UP is still up, it indicates that + * "ifconfig wlan0 down" hasn't been called. + * So invoke dev_close explicitly here to + * bring down the interface. + */ + DHD_TRACE(("IFF_UP flag is up. Enforcing dev_close from detach \n")); + dev_close(dev); + } + rtnl_unlock(); + } + + DHD_TRACE(("%s: Enter state 0x%x\n", __FUNCTION__, dhd->dhd_state)); + + dhd->pub.up = 0; + if (!(dhd->dhd_state & DHD_ATTACH_STATE_DONE)) { + /* Give sufficient time for threads to start running in case + * dhd_attach() has failed + */ + OSL_SLEEP(100); + } + +#if defined(BCM_DNGL_EMBEDIMAGE) || defined(BCM_REQUEST_FW) +#endif /* defined(BCM_DNGL_EMBEDIMAGE) || defined(BCM_REQUEST_FW) */ + +#ifdef PROP_TXSTATUS +#ifdef DHD_WLFC_THREAD + if (dhd->pub.wlfc_thread) { + kthread_stop(dhd->pub.wlfc_thread); + dhdp->wlfc_thread_go = TRUE; + wake_up_interruptible(&dhdp->wlfc_wqhead); + } + dhd->pub.wlfc_thread = NULL; +#endif /* DHD_WLFC_THREAD */ +#endif /* PROP_TXSTATUS */ + + if (dhd->dhd_state & DHD_ATTACH_STATE_PROT_ATTACH) { + + dhd_bus_detach(dhdp); +#ifdef BCMPCIE + if (is_reboot == SYS_RESTART) { + extern bcmdhd_wifi_platdata_t *dhd_wifi_platdata; + if (dhd_wifi_platdata && !dhdp->dongle_reset) { + dhdpcie_bus_clock_stop(dhdp->bus); + wifi_platform_set_power(dhd_wifi_platdata->adapters, + FALSE, WIFI_TURNOFF_DELAY); + } + } +#endif /* BCMPCIE */ +#ifndef PCIE_FULL_DONGLE + if (dhdp->prot) + dhd_prot_detach(dhdp); +#endif + } + +#ifdef ARP_OFFLOAD_SUPPORT + if (dhd_inetaddr_notifier_registered) { + dhd_inetaddr_notifier_registered = FALSE; + unregister_inetaddr_notifier(&dhd_inetaddr_notifier); + } +#endif /* ARP_OFFLOAD_SUPPORT */ +#if defined(CONFIG_IPV6) && defined(IPV6_NDO_SUPPORT) + if (dhd_inet6addr_notifier_registered) { + dhd_inet6addr_notifier_registered = FALSE; + unregister_inet6addr_notifier(&dhd_inet6addr_notifier); + } +#endif /* CONFIG_IPV6 && IPV6_NDO_SUPPORT */ +#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) + if (dhd->dhd_state & DHD_ATTACH_STATE_EARLYSUSPEND_DONE) { + if (dhd->early_suspend.suspend) + unregister_early_suspend(&dhd->early_suspend); + } +#endif /* CONFIG_HAS_EARLYSUSPEND && DHD_USE_EARLYSUSPEND */ + +#if defined(WL_WIRELESS_EXT) + if (dhd->dhd_state & DHD_ATTACH_STATE_WL_ATTACH) { + /* Detatch and unlink in the iw */ + wl_iw_detach(); + } +#endif /* defined(WL_WIRELESS_EXT) */ + + /* delete all interfaces, start with virtual */ + if (dhd->dhd_state & DHD_ATTACH_STATE_ADD_IF) { + int i = 1; + dhd_if_t *ifp; + + /* Cleanup virtual interfaces */ + dhd_net_if_lock_local(dhd); + for (i = 1; i < DHD_MAX_IFS; i++) { + if (dhd->iflist[i]) + dhd_remove_if(&dhd->pub, i, TRUE); + } + + /* delete primary interface 0 */ + ifp = dhd->iflist[0]; + ASSERT(ifp); + ASSERT(ifp->net); + if (ifp && ifp->net) { + + + + /* in unregister_netdev case, the interface gets freed by net->destructor + * (which is set to free_netdev) + */ + if (ifp->net->reg_state == NETREG_UNINITIALIZED) { + free_netdev(ifp->net); + } else { +#ifdef SET_RPS_CPUS + custom_rps_map_clear(ifp->net->_rx); +#endif /* SET_RPS_CPUS */ + netif_tx_disable(ifp->net); + unregister_netdev(ifp->net); + } + ifp->net = NULL; +#ifdef DHD_WMF + dhd_wmf_cleanup(dhdp, 0); +#endif /* DHD_WMF */ +#ifdef DHD_L2_FILTER + bcm_l2_filter_arp_table_update(dhdp->osh, ifp->phnd_arp_table, TRUE, + NULL, FALSE, dhdp->tickcnt); + deinit_l2_filter_arp_table(dhdp->osh, ifp->phnd_arp_table); + ifp->phnd_arp_table = NULL; +#endif /* DHD_L2_FILTER */ + + dhd_if_del_sta_list(ifp); + + MFREE(dhd->pub.osh, ifp, sizeof(*ifp)); + dhd->iflist[0] = NULL; + } + dhd_net_if_unlock_local(dhd); + } + + /* Clear the watchdog timer */ + DHD_GENERAL_LOCK(&dhd->pub, flags); + timer_valid = dhd->wd_timer_valid; + dhd->wd_timer_valid = FALSE; + DHD_GENERAL_UNLOCK(&dhd->pub, flags); + if (timer_valid) + del_timer_sync(&dhd->timer); + DHD_DISABLE_RUNTIME_PM(&dhd->pub); + + if (dhd->dhd_state & DHD_ATTACH_STATE_THREADS_CREATED) { +#ifdef DHD_PCIE_RUNTIMEPM + if (dhd->thr_rpm_ctl.thr_pid >= 0) { + PROC_STOP(&dhd->thr_rpm_ctl); + } +#endif /* DHD_PCIE_RUNTIMEPM */ + if (dhd->thr_wdt_ctl.thr_pid >= 0) { + PROC_STOP(&dhd->thr_wdt_ctl); + } + + if (dhd->rxthread_enabled && dhd->thr_rxf_ctl.thr_pid >= 0) { + PROC_STOP(&dhd->thr_rxf_ctl); + } + + if (dhd->thr_dpc_ctl.thr_pid >= 0) { + PROC_STOP(&dhd->thr_dpc_ctl); + } else { + tasklet_kill(&dhd->tasklet); +#ifdef DHD_LB_RXP + __skb_queue_purge(&dhd->rx_pend_queue); +#endif /* DHD_LB_RXP */ + } + } + +#if defined(DHD_LB) + /* Kill the Load Balancing Tasklets */ +#if defined(DHD_LB_TXC) + tasklet_disable(&dhd->tx_compl_tasklet); + tasklet_kill(&dhd->tx_compl_tasklet); +#endif /* DHD_LB_TXC */ +#if defined(DHD_LB_RXC) + tasklet_disable(&dhd->rx_compl_tasklet); + tasklet_kill(&dhd->rx_compl_tasklet); +#endif /* DHD_LB_RXC */ + if (dhd->cpu_notifier.notifier_call != NULL) + unregister_cpu_notifier(&dhd->cpu_notifier); + dhd_cpumasks_deinit(dhd); +#endif /* DHD_LB */ + +#ifdef DHD_LOG_DUMP + dhd_log_dump_deinit(&dhd->pub); +#endif /* DHD_LOG_DUMP */ +#ifdef WL_CFG80211 + if (dhd->dhd_state & DHD_ATTACH_STATE_CFG80211) { + wl_cfg80211_detach(DHD_GET_CFG80211_PRIV(dhdp)); + dhdp->cfg80211_priv = NULL; + dhd_monitor_uninit(); + } +#endif + /* free deferred work queue */ + dhd_deferred_work_deinit(dhd->dhd_deferred_wq); + dhd->dhd_deferred_wq = NULL; + +#ifdef SHOW_LOGTRACE + if (dhd->event_data.fmts) + kfree(dhd->event_data.fmts); + if (dhd->event_data.raw_fmts) + kfree(dhd->event_data.raw_fmts); + if (dhd->event_data.raw_sstr) + kfree(dhd->event_data.raw_sstr); +#endif /* SHOW_LOGTRACE */ + +#ifdef PNO_SUPPORT + if (dhdp->pno_state) + dhd_pno_deinit(dhdp); +#endif +#if defined(CONFIG_PM_SLEEP) + if (dhd_pm_notifier_registered) { + unregister_pm_notifier(&dhd->pm_notifier); + dhd_pm_notifier_registered = FALSE; + } +#endif /* CONFIG_PM_SLEEP */ + +#ifdef DEBUG_CPU_FREQ + if (dhd->new_freq) + free_percpu(dhd->new_freq); + dhd->new_freq = NULL; + cpufreq_unregister_notifier(&dhd->freq_trans, CPUFREQ_TRANSITION_NOTIFIER); +#endif + if (dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT) { + DHD_TRACE(("wd wakelock count:%d\n", dhd->wakelock_wd_counter)); +#ifdef CONFIG_HAS_WAKELOCK + dhd->wakelock_wd_counter = 0; + wake_lock_destroy(&dhd->wl_wdwake); +#endif /* CONFIG_HAS_WAKELOCK */ + DHD_OS_WAKE_LOCK_DESTROY(dhd); + } + + + +#ifdef DHDTCPACK_SUPPRESS + /* This will free all MEM allocated for TCPACK SUPPRESS */ + dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_OFF); +#endif /* DHDTCPACK_SUPPRESS */ + +#ifdef PCIE_FULL_DONGLE + dhd_flow_rings_deinit(dhdp); + if (dhdp->prot) + dhd_prot_detach(dhdp); +#endif + + + dhd_sysfs_exit(dhd); + dhd->pub.is_fw_download_done = FALSE; +} + + +void +dhd_free(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd; + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + if (dhdp) { + int i; + for (i = 0; i < ARRAYSIZE(dhdp->reorder_bufs); i++) { + if (dhdp->reorder_bufs[i]) { + reorder_info_t *ptr; + uint32 buf_size = sizeof(struct reorder_info); + + ptr = dhdp->reorder_bufs[i]; + + buf_size += ((ptr->max_idx + 1) * sizeof(void*)); + DHD_REORDER(("free flow id buf %d, maxidx is %d, buf_size %d\n", + i, ptr->max_idx, buf_size)); + + MFREE(dhdp->osh, dhdp->reorder_bufs[i], buf_size); + dhdp->reorder_bufs[i] = NULL; + } + } + + dhd_sta_pool_fini(dhdp, DHD_MAX_STA); + + dhd = (dhd_info_t *)dhdp->info; + if (dhdp->soc_ram) { +#if defined(CONFIG_DHD_USE_STATIC_BUF) && defined(DHD_USE_STATIC_MEMDUMP) + DHD_OS_PREFREE(dhdp, dhdp->soc_ram, dhdp->soc_ram_length); +#else + MFREE(dhdp->osh, dhdp->soc_ram, dhdp->soc_ram_length); +#endif /* CONFIG_DHD_USE_STATIC_BUF && DHD_USE_STATIC_MEMDUMP */ + dhdp->soc_ram = NULL; + } +#ifdef CACHE_FW_IMAGES + if (dhdp->cached_fw) { + MFREE(dhdp->osh, dhdp->cached_fw, dhdp->bus->ramsize); + dhdp->cached_fw = NULL; + } + + if (dhdp->cached_nvram) { + MFREE(dhdp->osh, dhdp->cached_nvram, MAX_NVRAMBUF_SIZE); + dhdp->cached_nvram = NULL; + } +#endif + /* If pointer is allocated by dhd_os_prealloc then avoid MFREE */ + if (dhd && + dhd != (dhd_info_t *)dhd_os_prealloc(dhdp, DHD_PREALLOC_DHD_INFO, 0, FALSE)) + MFREE(dhd->pub.osh, dhd, sizeof(*dhd)); + dhd = NULL; + } +} + +void +dhd_clear(dhd_pub_t *dhdp) +{ + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + if (dhdp) { + int i; +#ifdef DHDTCPACK_SUPPRESS + /* Clean up timer/data structure for any remaining/pending packet or timer. */ + dhd_tcpack_info_tbl_clean(dhdp); +#endif /* DHDTCPACK_SUPPRESS */ + for (i = 0; i < ARRAYSIZE(dhdp->reorder_bufs); i++) { + if (dhdp->reorder_bufs[i]) { + reorder_info_t *ptr; + uint32 buf_size = sizeof(struct reorder_info); + + ptr = dhdp->reorder_bufs[i]; + + buf_size += ((ptr->max_idx + 1) * sizeof(void*)); + DHD_REORDER(("free flow id buf %d, maxidx is %d, buf_size %d\n", + i, ptr->max_idx, buf_size)); + + MFREE(dhdp->osh, dhdp->reorder_bufs[i], buf_size); + dhdp->reorder_bufs[i] = NULL; + } + } + + dhd_sta_pool_clear(dhdp, DHD_MAX_STA); + + if (dhdp->soc_ram) { +#if defined(CONFIG_DHD_USE_STATIC_BUF) && defined(DHD_USE_STATIC_MEMDUMP) + DHD_OS_PREFREE(dhdp, dhdp->soc_ram, dhdp->soc_ram_length); +#else + MFREE(dhdp->osh, dhdp->soc_ram, dhdp->soc_ram_length); +#endif /* CONFIG_DHD_USE_STATIC_BUF && DHD_USE_STATIC_MEMDUMP */ + dhdp->soc_ram = NULL; + } + } +} + +static void +dhd_module_cleanup(void) +{ + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + dhd_bus_unregister(); + + wl_android_exit(); + + dhd_wifi_platform_unregister_drv(); +} + +static void __exit +dhd_module_exit(void) +{ + dhd_buzzz_detach(); + dhd_module_cleanup(); + unregister_reboot_notifier(&dhd_reboot_notifier); +} + +static int __init +dhd_module_init(void) +{ + int err; + int retry = POWERUP_MAX_RETRY; + + DHD_ERROR(("%s in\n", __FUNCTION__)); + + dhd_buzzz_attach(); + + DHD_PERIM_RADIO_INIT(); + + + if (firmware_path[0] != '\0') { + strncpy(fw_bak_path, firmware_path, MOD_PARAM_PATHLEN); + fw_bak_path[MOD_PARAM_PATHLEN-1] = '\0'; + } + + if (nvram_path[0] != '\0') { + strncpy(nv_bak_path, nvram_path, MOD_PARAM_PATHLEN); + nv_bak_path[MOD_PARAM_PATHLEN-1] = '\0'; + } + + do { + err = dhd_wifi_platform_register_drv(); + if (!err) { + register_reboot_notifier(&dhd_reboot_notifier); + break; + } + else { + DHD_ERROR(("%s: Failed to load the driver, try cnt %d\n", + __FUNCTION__, retry)); + strncpy(firmware_path, fw_bak_path, MOD_PARAM_PATHLEN); + firmware_path[MOD_PARAM_PATHLEN-1] = '\0'; + strncpy(nvram_path, nv_bak_path, MOD_PARAM_PATHLEN); + nvram_path[MOD_PARAM_PATHLEN-1] = '\0'; + } + } while (retry--); + + if (err) { + DHD_ERROR(("%s: Failed to load driver max retry reached**\n", __FUNCTION__)); + } else { + if (!dhd_download_fw_on_driverload) { + dhd_driver_init_done = TRUE; + } + } + + DHD_ERROR(("%s out\n", __FUNCTION__)); + + return err; +} + +static int +dhd_reboot_callback(struct notifier_block *this, unsigned long code, void *unused) +{ + DHD_TRACE(("%s: code = %ld\n", __FUNCTION__, code)); + if (code == SYS_RESTART) { +#ifdef BCMPCIE + is_reboot = code; +#endif /* BCMPCIE */ + } + return NOTIFY_DONE; +} + + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) +#if defined(CONFIG_DEFERRED_INITCALLS) +#if defined(CONFIG_MACH_UNIVERSAL7420) || defined(CONFIG_SOC_EXYNOS8890) || \ + defined(CONFIG_ARCH_MSM8996) +deferred_module_init_sync(dhd_module_init); +#else +deferred_module_init(dhd_module_init); +#endif /* CONFIG_MACH_UNIVERSAL7420 || CONFIG_SOC_EXYNOS8890 || + * CONFIG_ARCH_MSM8996 + */ +#elif defined(USE_LATE_INITCALL_SYNC) +late_initcall_sync(dhd_module_init); +#else +late_initcall(dhd_module_init); +#endif /* USE_LATE_INITCALL_SYNC */ +#else +module_init(dhd_module_init); +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) */ + +module_exit(dhd_module_exit); + +/* + * OS specific functions required to implement DHD driver in OS independent way + */ +int +dhd_os_proto_block(dhd_pub_t *pub) +{ + dhd_info_t * dhd = (dhd_info_t *)(pub->info); + + if (dhd) { + DHD_PERIM_UNLOCK(pub); + + down(&dhd->proto_sem); + + DHD_PERIM_LOCK(pub); + return 1; + } + + return 0; +} + +int +dhd_os_proto_unblock(dhd_pub_t *pub) +{ + dhd_info_t * dhd = (dhd_info_t *)(pub->info); + + if (dhd) { + up(&dhd->proto_sem); + return 1; + } + + return 0; +} + +void +dhd_os_dhdiovar_lock(dhd_pub_t *pub) +{ + dhd_info_t * dhd = (dhd_info_t *)(pub->info); + + if (dhd) { + mutex_lock(&dhd->dhd_iovar_mutex); + } +} + +void +dhd_os_dhdiovar_unlock(dhd_pub_t *pub) +{ + dhd_info_t * dhd = (dhd_info_t *)(pub->info); + + if (dhd) { + mutex_unlock(&dhd->dhd_iovar_mutex); + } +} + +unsigned int +dhd_os_get_ioctl_resp_timeout(void) +{ + return ((unsigned int)dhd_ioctl_timeout_msec); +} + +void +dhd_os_set_ioctl_resp_timeout(unsigned int timeout_msec) +{ + dhd_ioctl_timeout_msec = (int)timeout_msec; +} + +int +dhd_os_ioctl_resp_wait(dhd_pub_t *pub, uint *condition) +{ + dhd_info_t * dhd = (dhd_info_t *)(pub->info); + int timeout; + + /* Convert timeout in millsecond to jiffies */ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + timeout = msecs_to_jiffies(dhd_ioctl_timeout_msec); +#else + timeout = dhd_ioctl_timeout_msec * HZ / 1000; +#endif + + DHD_PERIM_UNLOCK(pub); + + timeout = wait_event_timeout(dhd->ioctl_resp_wait, (*condition), timeout); + + DHD_PERIM_LOCK(pub); + + return timeout; +} + +int +dhd_os_ioctl_resp_wake(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + + wake_up(&dhd->ioctl_resp_wait); + return 0; +} + +int +dhd_os_d3ack_wait(dhd_pub_t *pub, uint *condition) +{ + dhd_info_t * dhd = (dhd_info_t *)(pub->info); + int timeout; + + /* Convert timeout in millsecond to jiffies */ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + timeout = msecs_to_jiffies(dhd_ioctl_timeout_msec); +#else + timeout = dhd_ioctl_timeout_msec * HZ / 1000; +#endif + + DHD_PERIM_UNLOCK(pub); + + timeout = wait_event_timeout(dhd->d3ack_wait, (*condition), timeout); + + DHD_PERIM_LOCK(pub); + + return timeout; +} + +int +dhd_os_d3ack_wake(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + + wake_up(&dhd->d3ack_wait); + return 0; +} + +int +dhd_os_busbusy_wait_negation(dhd_pub_t *pub, uint *condition) +{ + dhd_info_t * dhd = (dhd_info_t *)(pub->info); + int timeout; + + /* Wait for bus usage contexts to gracefully exit within some timeout value + * Set time out to little higher than dhd_ioctl_timeout_msec, + * so that IOCTL timeout should not get affected. + */ + /* Convert timeout in millsecond to jiffies */ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + timeout = msecs_to_jiffies(DHD_BUS_BUSY_TIMEOUT); +#else + timeout = DHD_BUS_BUSY_TIMEOUT * HZ / 1000; +#endif + + timeout = wait_event_timeout(dhd->dhd_bus_busy_state_wait, !(*condition), timeout); + + return timeout; +} + +int INLINE +dhd_os_busbusy_wake(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + /* Call wmb() to make sure before waking up the other event value gets updated */ + OSL_SMP_WMB(); + wake_up(&dhd->dhd_bus_busy_state_wait); + return 0; +} + +void +dhd_os_wd_timer_extend(void *bus, bool extend) +{ + dhd_pub_t *pub = bus; + dhd_info_t *dhd = (dhd_info_t *)pub->info; + + if (extend) + dhd_os_wd_timer(bus, WATCHDOG_EXTEND_INTERVAL); + else + dhd_os_wd_timer(bus, dhd->default_wd_interval); +} + + +void +dhd_os_wd_timer(void *bus, uint wdtick) +{ + dhd_pub_t *pub = bus; + dhd_info_t *dhd = (dhd_info_t *)pub->info; + unsigned long flags; + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + if (!dhd) { + DHD_ERROR(("%s: dhd NULL\n", __FUNCTION__)); + return; + } + +#if !defined(DHD_USE_IDLECOUNT) && defined(BCMPCIE) + DHD_OS_WD_WAKE_LOCK(pub); +#endif /* !DHD_USE_IDLECOUNT && BCMPCIE */ + DHD_GENERAL_LOCK(pub, flags); + + /* don't start the wd until fw is loaded */ + if (pub->busstate == DHD_BUS_DOWN) { + DHD_GENERAL_UNLOCK(pub, flags); +#if !defined(DHD_USE_IDLECOUNT) && defined(BCMPCIE) + DHD_OS_WD_WAKE_UNLOCK(pub); +#endif /* !DHD_USE_IDLECOUNT && BCMPCIE */ + return; + } + + /* Totally stop the timer */ + if (!wdtick && dhd->wd_timer_valid == TRUE) { + dhd->wd_timer_valid = FALSE; + DHD_GENERAL_UNLOCK(pub, flags); + del_timer_sync(&dhd->timer); + DHD_OS_WD_WAKE_UNLOCK(pub); + return; + } + + if (wdtick) { + DHD_OS_WD_WAKE_LOCK(pub); + dhd_watchdog_ms = (uint)wdtick; + /* Re arm the timer, at last watchdog period */ + mod_timer(&dhd->timer, jiffies + msecs_to_jiffies(dhd_watchdog_ms)); + dhd->wd_timer_valid = TRUE; + } + DHD_GENERAL_UNLOCK(pub, flags); +#if !defined(DHD_USE_IDLECOUNT) && defined(BCMPCIE) + DHD_OS_WD_WAKE_UNLOCK(pub); +#endif /* !DHD_USE_IDLECOUNT && BCMPCIE */ +} + +#ifdef DHD_PCIE_RUNTIMEPM +void +dhd_os_runtimepm_timer(void *bus, uint tick) +{ + dhd_pub_t *pub = bus; + dhd_info_t *dhd = (dhd_info_t *)pub->info; + unsigned long flags; + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + if (!dhd) { + DHD_ERROR(("%s: dhd is NULL\n", __FUNCTION__)); + return; + } + + DHD_GENERAL_LOCK(pub, flags); + + /* don't start the RPM until fw is loaded */ + if (pub->busstate == DHD_BUS_DOWN || + pub->busstate == DHD_BUS_DOWN_IN_PROGRESS) { + DHD_GENERAL_UNLOCK(pub, flags); + return; + } + + /* If tick is non-zero, the request is to start the timer */ + if (tick) { + /* Start the timer only if its not already running */ + if (dhd->rpm_timer_valid == FALSE) { + mod_timer(&dhd->rpm_timer, jiffies + msecs_to_jiffies(dhd_runtimepm_ms)); + dhd->rpm_timer_valid = TRUE; + } + } else { + /* tick is zero, we have to stop the timer */ + /* Stop the timer only if its running, otherwise we don't have to do anything */ + if (dhd->rpm_timer_valid == TRUE) { + dhd->rpm_timer_valid = FALSE; + DHD_GENERAL_UNLOCK(pub, flags); + del_timer_sync(&dhd->rpm_timer); + /* we have already released the lock, so just go to exit */ + goto exit; + } + } + + DHD_GENERAL_UNLOCK(pub, flags); +exit: + return; + +} + +#endif /* DHD_PCIE_RUNTIMEPM */ + +void * +dhd_os_open_image(char *filename) +{ + struct file *fp; + int size; + + fp = filp_open(filename, O_RDONLY, 0); + /* + * 2.6.11 (FC4) supports filp_open() but later revs don't? + * Alternative: + * fp = open_namei(AT_FDCWD, filename, O_RD, 0); + * ??? + */ + if (IS_ERR(fp)) { + fp = NULL; + goto err; + } + + if (!S_ISREG(file_inode(fp)->i_mode)) { + DHD_ERROR(("%s: %s is not regular file\n", __FUNCTION__, filename)); + fp = NULL; + goto err; + } + + size = i_size_read(file_inode(fp)); + if (size <= 0) { + DHD_ERROR(("%s: %s file size invalid %d\n", __FUNCTION__, filename, size)); + fp = NULL; + goto err; + } + + DHD_ERROR(("%s: %s (%d bytes) open success\n", __FUNCTION__, filename, size)); + +err: + return fp; +} + +int +dhd_os_get_image_block(char *buf, int len, void *image) +{ + struct file *fp = (struct file *)image; + int rdlen; + int size; + + if (!image) + return 0; + + size = i_size_read(file_inode(fp)); + rdlen = kernel_read(fp, fp->f_pos, buf, MIN(len, size)); + + if (len >= size && size != rdlen) { + return -EIO; + } + + if (rdlen > 0) + fp->f_pos += rdlen; + + return rdlen; +} + +void +dhd_os_close_image(void *image) +{ + if (image) + filp_close((struct file *)image, NULL); +} + +int dhd_os_file_size(char *filename) +{ + struct file *fp = NULL; + int size = 0; + fp = filp_open(filename, O_RDONLY, 0); + if (IS_ERR(fp)) { + DHD_ERROR(("%s: File %s doesn't exist\n", __FUNCTION__, filename)); + return BCME_ERROR; + } + size = i_size_read(file_inode(fp)); + if (size <= 0) { + DHD_ERROR(("%s: %s file size invalid %d\n", __FUNCTION__, filename, size)); + } + if (fp) + filp_close(fp, NULL); + + return size; +} + +void +dhd_os_sdlock(dhd_pub_t *pub) +{ + dhd_info_t *dhd; + + dhd = (dhd_info_t *)(pub->info); + + if (dhd_dpc_prio >= 0) + down(&dhd->sdsem); + else + spin_lock_bh(&dhd->sdlock); +} + +void +dhd_os_sdunlock(dhd_pub_t *pub) +{ + dhd_info_t *dhd; + + dhd = (dhd_info_t *)(pub->info); + + if (dhd_dpc_prio >= 0) + up(&dhd->sdsem); + else + spin_unlock_bh(&dhd->sdlock); +} + +void +dhd_os_sdlock_txq(dhd_pub_t *pub) +{ + dhd_info_t *dhd; + + dhd = (dhd_info_t *)(pub->info); + spin_lock_bh(&dhd->txqlock); +} + +void +dhd_os_sdunlock_txq(dhd_pub_t *pub) +{ + dhd_info_t *dhd; + + dhd = (dhd_info_t *)(pub->info); + spin_unlock_bh(&dhd->txqlock); +} + +void +dhd_os_sdlock_rxq(dhd_pub_t *pub) +{ +} + +void +dhd_os_sdunlock_rxq(dhd_pub_t *pub) +{ +} + +static void +dhd_os_rxflock(dhd_pub_t *pub) +{ + dhd_info_t *dhd; + + dhd = (dhd_info_t *)(pub->info); + spin_lock_bh(&dhd->rxf_lock); + +} + +static void +dhd_os_rxfunlock(dhd_pub_t *pub) +{ + dhd_info_t *dhd; + + dhd = (dhd_info_t *)(pub->info); + spin_unlock_bh(&dhd->rxf_lock); +} + +#ifdef DHDTCPACK_SUPPRESS +unsigned long +dhd_os_tcpacklock(dhd_pub_t *pub) +{ + dhd_info_t *dhd; + unsigned long flags = 0; + + dhd = (dhd_info_t *)(pub->info); + + if (dhd) { +#ifdef BCMSDIO + spin_lock_bh(&dhd->tcpack_lock); +#else + spin_lock_irqsave(&dhd->tcpack_lock, flags); +#endif /* BCMSDIO */ + } + + return flags; +} + +void +dhd_os_tcpackunlock(dhd_pub_t *pub, unsigned long flags) +{ + dhd_info_t *dhd; + +#ifdef BCMSDIO + BCM_REFERENCE(flags); +#endif /* BCMSDIO */ + + dhd = (dhd_info_t *)(pub->info); + + if (dhd) { +#ifdef BCMSDIO + spin_unlock_bh(&dhd->tcpack_lock); +#else + spin_unlock_irqrestore(&dhd->tcpack_lock, flags); +#endif /* BCMSDIO */ + } +} +#endif /* DHDTCPACK_SUPPRESS */ + +uint8* dhd_os_prealloc(dhd_pub_t *dhdpub, int section, uint size, bool kmalloc_if_fail) +{ + uint8* buf; + gfp_t flags = CAN_SLEEP() ? GFP_KERNEL: GFP_ATOMIC; + + buf = (uint8*)wifi_platform_prealloc(dhdpub->info->adapter, section, size); + if (buf == NULL && kmalloc_if_fail) + buf = kmalloc(size, flags); + + return buf; +} + +void dhd_os_prefree(dhd_pub_t *dhdpub, void *addr, uint size) +{ +} + +#if defined(WL_WIRELESS_EXT) +struct iw_statistics * +dhd_get_wireless_stats(struct net_device *dev) +{ + int res = 0; + dhd_info_t *dhd = DHD_DEV_INFO(dev); + + if (!dhd->pub.up) { + return NULL; + } + + res = wl_iw_get_wireless_stats(dev, &dhd->iw.wstats); + + if (res == 0) + return &dhd->iw.wstats; + else + return NULL; +} +#endif /* defined(WL_WIRELESS_EXT) */ + +static int +dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, size_t pktlen, + wl_event_msg_t *event, void **data) +{ + int bcmerror = 0; + ASSERT(dhd != NULL); + +#ifdef SHOW_LOGTRACE + bcmerror = wl_host_event(&dhd->pub, ifidx, pktdata, pktlen, event, data, + &dhd->event_data); +#else + bcmerror = wl_host_event(&dhd->pub, ifidx, pktdata, pktlen, event, data, + NULL); +#endif /* SHOW_LOGTRACE */ + + if (bcmerror != BCME_OK) + return (bcmerror); + +#if defined(WL_WIRELESS_EXT) + if (event->bsscfgidx == 0) { + /* + * Wireless ext is on primary interface only + */ + + ASSERT(dhd->iflist[*ifidx] != NULL); + ASSERT(dhd->iflist[*ifidx]->net != NULL); + + if (dhd->iflist[*ifidx]->net) { + wl_iw_event(dhd->iflist[*ifidx]->net, event, *data); + } + } +#endif /* defined(WL_WIRELESS_EXT) */ + +#ifdef WL_CFG80211 + ASSERT(dhd->iflist[*ifidx] != NULL); + ASSERT(dhd->iflist[*ifidx]->net != NULL); + if (dhd->iflist[*ifidx]->net) + wl_cfg80211_event(dhd->iflist[*ifidx]->net, event, *data); +#endif /* defined(WL_CFG80211) */ + + return (bcmerror); +} + +/* send up locally generated event */ +void +dhd_sendup_event(dhd_pub_t *dhdp, wl_event_msg_t *event, void *data) +{ + switch (ntoh32(event->event_type)) { + + default: + break; + } +} + +#ifdef LOG_INTO_TCPDUMP +void +dhd_sendup_log(dhd_pub_t *dhdp, void *data, int data_len) +{ + struct sk_buff *p, *skb; + uint32 pktlen; + int len; + dhd_if_t *ifp; + dhd_info_t *dhd; + uchar *skb_data; + int ifidx = 0; + struct ether_header eth; + + pktlen = sizeof(eth) + data_len; + dhd = dhdp->info; + + if ((p = PKTGET(dhdp->osh, pktlen, FALSE))) { + ASSERT(ISALIGNED((uintptr)PKTDATA(dhdp->osh, p), sizeof(uint32))); + + bcopy(&dhdp->mac, ð.ether_dhost, ETHER_ADDR_LEN); + bcopy(&dhdp->mac, ð.ether_shost, ETHER_ADDR_LEN); + ETHER_TOGGLE_LOCALADDR(ð.ether_shost); + eth.ether_type = hton16(ETHER_TYPE_BRCM); + + bcopy((void *)ð, PKTDATA(dhdp->osh, p), sizeof(eth)); + bcopy(data, PKTDATA(dhdp->osh, p) + sizeof(eth), data_len); + skb = PKTTONATIVE(dhdp->osh, p); + skb_data = skb->data; + len = skb->len; + + ifidx = dhd_ifname2idx(dhd, "wlan0"); + ifp = dhd->iflist[ifidx]; + if (ifp == NULL) + ifp = dhd->iflist[0]; + + ASSERT(ifp); + skb->dev = ifp->net; + skb->protocol = eth_type_trans(skb, skb->dev); + skb->data = skb_data; + skb->len = len; + + /* Strip header, count, deliver upward */ + skb_pull(skb, ETH_HLEN); + + bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, + __FUNCTION__, __LINE__); + /* Send the packet */ + if (in_interrupt()) { + netif_rx(skb); + } else { + netif_rx_ni(skb); + } + } + else { + /* Could not allocate a sk_buf */ + DHD_ERROR(("%s: unable to alloc sk_buf", __FUNCTION__)); + } +} +#endif /* LOG_INTO_TCPDUMP */ + +void dhd_wait_for_event(dhd_pub_t *dhd, bool *lockvar) +{ +#if defined(BCMSDIO) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) + struct dhd_info *dhdinfo = dhd->info; + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + int timeout = msecs_to_jiffies(IOCTL_RESP_TIMEOUT); +#else + int timeout = (IOCTL_RESP_TIMEOUT / 1000) * HZ; +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ + + dhd_os_sdunlock(dhd); + wait_event_timeout(dhdinfo->ctrl_wait, (*lockvar == FALSE), timeout); + dhd_os_sdlock(dhd); +#endif /* defined(BCMSDIO) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) */ + return; +} + +void dhd_wait_event_wakeup(dhd_pub_t *dhd) +{ +#if defined(BCMSDIO) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) + struct dhd_info *dhdinfo = dhd->info; + if (waitqueue_active(&dhdinfo->ctrl_wait)) + wake_up(&dhdinfo->ctrl_wait); +#endif + return; +} + +#if defined(BCMSDIO) || defined(BCMPCIE) +int +dhd_net_bus_devreset(struct net_device *dev, uint8 flag) +{ + int ret; + + dhd_info_t *dhd = DHD_DEV_INFO(dev); + + if (flag == TRUE) { + /* Issue wl down command before resetting the chip */ + if (dhd_wl_ioctl_cmd(&dhd->pub, WLC_DOWN, NULL, 0, TRUE, 0) < 0) { + DHD_TRACE(("%s: wl down failed\n", __FUNCTION__)); + } +#ifdef PROP_TXSTATUS + if (dhd->pub.wlfc_enabled) + dhd_wlfc_deinit(&dhd->pub); +#endif /* PROP_TXSTATUS */ +#ifdef PNO_SUPPORT + if (dhd->pub.pno_state) + dhd_pno_deinit(&dhd->pub); +#endif + } + +#ifdef BCMSDIO + if (!flag) { + dhd_update_fw_nv_path(dhd); + /* update firmware and nvram path to sdio bus */ + dhd_bus_update_fw_nv_path(dhd->pub.bus, + dhd->fw_path, dhd->nv_path); + } +#endif /* BCMSDIO */ + + ret = dhd_bus_devreset(&dhd->pub, flag); + if (ret) { + DHD_ERROR(("%s: dhd_bus_devreset: %d\n", __FUNCTION__, ret)); + return ret; + } + + return ret; +} + +#ifdef BCMSDIO +int +dhd_net_bus_suspend(struct net_device *dev) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + return dhd_bus_suspend(&dhd->pub); +} + +int +dhd_net_bus_resume(struct net_device *dev, uint8 stage) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + return dhd_bus_resume(&dhd->pub, stage); +} + +#endif /* BCMSDIO */ +#endif /* BCMSDIO || BCMPCIE */ + +int net_os_set_suspend_disable(struct net_device *dev, int val) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + int ret = 0; + + if (dhd) { + ret = dhd->pub.suspend_disable_flag; + dhd->pub.suspend_disable_flag = val; + } + return ret; +} + +int net_os_set_suspend(struct net_device *dev, int val, int force) +{ + int ret = 0; + dhd_info_t *dhd = DHD_DEV_INFO(dev); + + if (dhd) { +#ifdef CONFIG_MACH_UNIVERSAL7420 +#endif /* CONFIG_MACH_UNIVERSAL7420 */ +#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) + ret = dhd_set_suspend(val, &dhd->pub); +#else + ret = dhd_suspend_resume_helper(dhd, val, force); +#endif +#ifdef WL_CFG80211 + wl_cfg80211_update_power_mode(dev); +#endif + } + return ret; +} + +int net_os_set_suspend_bcn_li_dtim(struct net_device *dev, int val) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + + if (dhd) + dhd->pub.suspend_bcn_li_dtim = val; + + return 0; +} + +int net_os_set_max_dtim_enable(struct net_device *dev, int val) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + + if (dhd) { +#ifdef ENABLE_MAX_DTIM_IN_SUSPEND + DHD_ERROR(("%s: use MAX bcn_li_dtim in suspend %s\n", + __FUNCTION__, (val ? "Enable" : "Disable"))); + if (val) { + dhd->pub.max_dtim_enable = TRUE; + } else { + dhd->pub.max_dtim_enable = FALSE; + } +#else /* ENABLE_MAX_DTIM_IN_SUSPEND */ + DHD_ERROR(("%s: max_dtim_enable always FALSE\n", __FUNCTION__)); + dhd->pub.max_dtim_enable = FALSE; +#endif /* ENABLE_MAX_DTIM_IN_SUSPEND */ + } else { + return -1; + } + + return 0; +} + +#ifdef PKT_FILTER_SUPPORT +int net_os_rxfilter_add_remove(struct net_device *dev, int add_remove, int num) +{ + int ret = 0; + +#ifndef GAN_LITE_NAT_KEEPALIVE_FILTER + dhd_info_t *dhd = DHD_DEV_INFO(dev); + + DHD_ERROR(("%s: add_remove = %d, num = %d\n", __FUNCTION__, add_remove, num)); + if (!dhd || (num == DHD_UNICAST_FILTER_NUM)) { + return 0; + } + + + if (num >= dhd->pub.pktfilter_count) { + return -EINVAL; + } + + ret = dhd_packet_filter_add_remove(&dhd->pub, add_remove, num); +#endif /* !GAN_LITE_NAT_KEEPALIVE_FILTER */ + + return ret; +} + +int dhd_os_enable_packet_filter(dhd_pub_t *dhdp, int val) + +{ + int ret = 0; + + /* Packet filtering is set only if we still in early-suspend and + * we need either to turn it ON or turn it OFF + * We can always turn it OFF in case of early-suspend, but we turn it + * back ON only if suspend_disable_flag was not set + */ + if (dhdp && dhdp->up) { + if (dhdp->in_suspend) { + if (!val || (val && !dhdp->suspend_disable_flag)) + dhd_enable_packet_filter(val, dhdp); + } + } + return ret; +} + +/* function to enable/disable packet for Network device */ +int net_os_enable_packet_filter(struct net_device *dev, int val) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + + DHD_ERROR(("%s: val = %d\n", __FUNCTION__, val)); + return dhd_os_enable_packet_filter(&dhd->pub, val); +} +#endif /* PKT_FILTER_SUPPORT */ + +int +dhd_dev_init_ioctl(struct net_device *dev) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + int ret; + + if ((ret = dhd_sync_with_dongle(&dhd->pub)) < 0) + goto done; + +done: + return ret; +} + +int +dhd_dev_get_feature_set(struct net_device *dev) +{ + dhd_info_t *ptr = *(dhd_info_t **)netdev_priv(dev); + dhd_pub_t *dhd = (&ptr->pub); + int feature_set = 0; + +#ifdef DYNAMIC_SWOOB_DURATION +#ifndef CUSTOM_INTR_WIDTH +#define CUSTOM_INTR_WIDTH 100 + int intr_width = 0; +#endif /* CUSTOM_INTR_WIDTH */ +#endif /* DYNAMIC_SWOOB_DURATION */ +#if defined(CONFIG_WLAN_GRACE) || defined(CONFIG_SEC_GRACEQLTE_PROJECT) + DHD_ERROR(("%s: return feature_set = %d\n", __FUNCTION__, feature_set)); + return feature_set; +#endif /* CONFIG_WLAN_GRACE || CONFIG_SEC_GRACEQLTE_PROJECT */ + if (!dhd) + return feature_set; + + if (FW_SUPPORTED(dhd, sta)) + feature_set |= WIFI_FEATURE_INFRA; + if (FW_SUPPORTED(dhd, dualband)) + feature_set |= WIFI_FEATURE_INFRA_5G; + if (FW_SUPPORTED(dhd, p2p)) + feature_set |= WIFI_FEATURE_P2P; + if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) + feature_set |= WIFI_FEATURE_SOFT_AP; + if (FW_SUPPORTED(dhd, tdls)) + feature_set |= WIFI_FEATURE_TDLS; + if (FW_SUPPORTED(dhd, vsdb)) + feature_set |= WIFI_FEATURE_TDLS_OFFCHANNEL; + if (FW_SUPPORTED(dhd, nan)) { + feature_set |= WIFI_FEATURE_NAN; + /* NAN is essentail for d2d rtt */ + if (FW_SUPPORTED(dhd, rttd2d)) + feature_set |= WIFI_FEATURE_D2D_RTT; + } +#ifdef RTT_SUPPORT + feature_set |= WIFI_FEATURE_D2AP_RTT; +#endif /* RTT_SUPPORT */ +#ifdef LINKSTAT_SUPPORT + feature_set |= WIFI_FEATURE_LINKSTAT; +#endif /* LINKSTAT_SUPPORT */ + /* Supports STA + STA always */ + feature_set |= WIFI_FEATURE_ADDITIONAL_STA; +#ifdef PNO_SUPPORT + if (dhd_is_pno_supported(dhd)) { + feature_set |= WIFI_FEATURE_PNO; + feature_set |= WIFI_FEATURE_BATCH_SCAN; +#ifdef GSCAN_SUPPORT + feature_set |= WIFI_FEATURE_GSCAN; +#endif /* GSCAN_SUPPORT */ + } +#endif /* PNO_SUPPORT */ +#ifdef WL11U + feature_set |= WIFI_FEATURE_HOTSPOT; +#endif /* WL11U */ + return feature_set; +} + + +int *dhd_dev_get_feature_set_matrix(struct net_device *dev, int *num) +{ + int feature_set_full, mem_needed; + int *ret; + + *num = 0; + mem_needed = sizeof(int) * MAX_FEATURE_SET_CONCURRRENT_GROUPS; + ret = (int *) kmalloc(mem_needed, GFP_KERNEL); + if (!ret) { + DHD_ERROR(("%s: failed to allocate %d bytes\n", __FUNCTION__, + mem_needed)); + return ret; + } + + feature_set_full = dhd_dev_get_feature_set(dev); + + ret[0] = (feature_set_full & WIFI_FEATURE_INFRA) | + (feature_set_full & WIFI_FEATURE_INFRA_5G) | + (feature_set_full & WIFI_FEATURE_NAN) | + (feature_set_full & WIFI_FEATURE_D2D_RTT) | + (feature_set_full & WIFI_FEATURE_D2AP_RTT) | + (feature_set_full & WIFI_FEATURE_PNO) | + (feature_set_full & WIFI_FEATURE_BATCH_SCAN) | + (feature_set_full & WIFI_FEATURE_GSCAN) | + (feature_set_full & WIFI_FEATURE_HOTSPOT) | + (feature_set_full & WIFI_FEATURE_ADDITIONAL_STA) | + (feature_set_full & WIFI_FEATURE_EPR); + + ret[1] = (feature_set_full & WIFI_FEATURE_INFRA) | + (feature_set_full & WIFI_FEATURE_INFRA_5G) | + /* Not yet verified NAN with P2P */ + /* (feature_set_full & WIFI_FEATURE_NAN) | */ + (feature_set_full & WIFI_FEATURE_P2P) | + (feature_set_full & WIFI_FEATURE_D2AP_RTT) | + (feature_set_full & WIFI_FEATURE_D2D_RTT) | + (feature_set_full & WIFI_FEATURE_EPR); + + ret[2] = (feature_set_full & WIFI_FEATURE_INFRA) | + (feature_set_full & WIFI_FEATURE_INFRA_5G) | + (feature_set_full & WIFI_FEATURE_NAN) | + (feature_set_full & WIFI_FEATURE_D2D_RTT) | + (feature_set_full & WIFI_FEATURE_D2AP_RTT) | + (feature_set_full & WIFI_FEATURE_TDLS) | + (feature_set_full & WIFI_FEATURE_TDLS_OFFCHANNEL) | + (feature_set_full & WIFI_FEATURE_EPR); + *num = MAX_FEATURE_SET_CONCURRRENT_GROUPS; + + return ret; +} +#ifdef CUSTOM_FORCE_NODFS_FLAG +int +dhd_dev_set_nodfs(struct net_device *dev, u32 nodfs) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + + if (nodfs) + dhd->pub.dhd_cflags |= WLAN_PLAT_NODFS_FLAG; + else + dhd->pub.dhd_cflags &= ~WLAN_PLAT_NODFS_FLAG; + dhd->pub.force_country_change = TRUE; + return 0; +} +#endif /* CUSTOM_FORCE_NODFS_FLAG */ +#ifdef PNO_SUPPORT +/* Linux wrapper to call common dhd_pno_stop_for_ssid */ +int +dhd_dev_pno_stop_for_ssid(struct net_device *dev) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + + return (dhd_pno_stop_for_ssid(&dhd->pub)); +} +/* Linux wrapper to call common dhd_pno_set_for_ssid */ +int +dhd_dev_pno_set_for_ssid(struct net_device *dev, wlc_ssid_ext_t* ssids_local, int nssid, + uint16 scan_fr, int pno_repeat, int pno_freq_expo_max, uint16 *channel_list, int nchan) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + + return (dhd_pno_set_for_ssid(&dhd->pub, ssids_local, nssid, scan_fr, + pno_repeat, pno_freq_expo_max, channel_list, nchan)); +} + +/* Linux wrapper to call common dhd_pno_enable */ +int +dhd_dev_pno_enable(struct net_device *dev, int enable) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + + return (dhd_pno_enable(&dhd->pub, enable)); +} + +/* Linux wrapper to call common dhd_pno_set_for_hotlist */ +int +dhd_dev_pno_set_for_hotlist(struct net_device *dev, wl_pfn_bssid_t *p_pfn_bssid, + struct dhd_pno_hotlist_params *hotlist_params) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + return (dhd_pno_set_for_hotlist(&dhd->pub, p_pfn_bssid, hotlist_params)); +} +/* Linux wrapper to call common dhd_dev_pno_stop_for_batch */ +int +dhd_dev_pno_stop_for_batch(struct net_device *dev) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + return (dhd_pno_stop_for_batch(&dhd->pub)); +} +/* Linux wrapper to call common dhd_dev_pno_set_for_batch */ +int +dhd_dev_pno_set_for_batch(struct net_device *dev, struct dhd_pno_batch_params *batch_params) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + return (dhd_pno_set_for_batch(&dhd->pub, batch_params)); +} +/* Linux wrapper to call common dhd_dev_pno_get_for_batch */ +int +dhd_dev_pno_get_for_batch(struct net_device *dev, char *buf, int bufsize) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + return (dhd_pno_get_for_batch(&dhd->pub, buf, bufsize, PNO_STATUS_NORMAL)); +} +/* Linux wrapper to call common dhd_pno_set_mac_oui */ +int +dhd_dev_pno_set_mac_oui(struct net_device *dev, uint8 *oui) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + return (dhd_pno_set_mac_oui(&dhd->pub, oui)); +} +#endif /* PNO_SUPPORT */ + +#if defined(PNO_SUPPORT) +#ifdef GSCAN_SUPPORT +/* Linux wrapper to call common dhd_pno_set_cfg_gscan */ +int +dhd_dev_pno_set_cfg_gscan(struct net_device *dev, dhd_pno_gscan_cmd_cfg_t type, + void *buf, uint8 flush) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_pno_set_cfg_gscan(&dhd->pub, type, buf, flush)); +} + +/* Linux wrapper to call common dhd_pno_get_gscan */ +void * +dhd_dev_pno_get_gscan(struct net_device *dev, dhd_pno_gscan_cmd_cfg_t type, + void *info, uint32 *len) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_pno_get_gscan(&dhd->pub, type, info, len)); +} + +/* Linux wrapper to call common dhd_wait_batch_results_complete */ +void +dhd_dev_wait_batch_results_complete(struct net_device *dev) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_wait_batch_results_complete(&dhd->pub)); +} + +/* Linux wrapper to call common dhd_pno_lock_batch_results */ +void +dhd_dev_pno_lock_access_batch_results(struct net_device *dev) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_pno_lock_batch_results(&dhd->pub)); +} +/* Linux wrapper to call common dhd_pno_unlock_batch_results */ +void +dhd_dev_pno_unlock_access_batch_results(struct net_device *dev) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_pno_unlock_batch_results(&dhd->pub)); +} + +/* Linux wrapper to call common dhd_pno_initiate_gscan_request */ +int +dhd_dev_pno_run_gscan(struct net_device *dev, bool run, bool flush) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_pno_initiate_gscan_request(&dhd->pub, run, flush)); +} + +/* Linux wrapper to call common dhd_pno_enable_full_scan_result */ +int +dhd_dev_pno_enable_full_scan_result(struct net_device *dev, bool real_time_flag) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_pno_enable_full_scan_result(&dhd->pub, real_time_flag)); +} + +/* Linux wrapper to call common dhd_handle_swc_evt */ +void * +dhd_dev_swc_scan_event(struct net_device *dev, const void *data, int *send_evt_bytes) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_handle_swc_evt(&dhd->pub, data, send_evt_bytes)); +} + +/* Linux wrapper to call common dhd_handle_hotlist_scan_evt */ +void * +dhd_dev_hotlist_scan_event(struct net_device *dev, + const void *data, int *send_evt_bytes, hotlist_type_t type) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_handle_hotlist_scan_evt(&dhd->pub, data, send_evt_bytes, type)); +} + +/* Linux wrapper to call common dhd_process_full_gscan_result */ +void * +dhd_dev_process_full_gscan_result(struct net_device *dev, +const void *data, int *send_evt_bytes) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_process_full_gscan_result(&dhd->pub, data, send_evt_bytes)); +} + +void +dhd_dev_gscan_hotlist_cache_cleanup(struct net_device *dev, hotlist_type_t type) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + dhd_gscan_hotlist_cache_cleanup(&dhd->pub, type); + + return; +} + +int +dhd_dev_gscan_batch_cache_cleanup(struct net_device *dev) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_gscan_batch_cache_cleanup(&dhd->pub)); +} + +/* Linux wrapper to call common dhd_retreive_batch_scan_results */ +int +dhd_dev_retrieve_batch_scan(struct net_device *dev) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_retreive_batch_scan_results(&dhd->pub)); +} +#endif /* GSCAN_SUPPORT */ +#endif +#ifdef RTT_SUPPORT +/* Linux wrapper to call common dhd_pno_set_cfg_gscan */ +int +dhd_dev_rtt_set_cfg(struct net_device *dev, void *buf) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_rtt_set_cfg(&dhd->pub, buf)); +} +int +dhd_dev_rtt_cancel_cfg(struct net_device *dev, struct ether_addr *mac_list, int mac_cnt) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_rtt_stop(&dhd->pub, mac_list, mac_cnt)); +} +int +dhd_dev_rtt_register_noti_callback(struct net_device *dev, void *ctx, dhd_rtt_compl_noti_fn noti_fn) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_rtt_register_noti_callback(&dhd->pub, ctx, noti_fn)); +} +int +dhd_dev_rtt_unregister_noti_callback(struct net_device *dev, dhd_rtt_compl_noti_fn noti_fn) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_rtt_unregister_noti_callback(&dhd->pub, noti_fn)); +} + +int +dhd_dev_rtt_capability(struct net_device *dev, rtt_capabilities_t *capa) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_rtt_capability(&dhd->pub, capa)); +} + +#endif /* RTT_SUPPORT */ + +#if defined(KEEP_ALIVE) +#define TEMP_BUF_SIZE 512 +#define TEMP_FRAME_SIZE 300 +int +dhd_dev_start_mkeep_alive(dhd_pub_t *dhd_pub, u8 mkeep_alive_id, u8 *ip_pkt, u16 ip_pkt_len, + u8* src_mac, u8* dst_mac, u32 period_msec) +{ + char *pbuf; + const char *str; + wl_mkeep_alive_pkt_t mkeep_alive_pkt = {0}; + wl_mkeep_alive_pkt_t *mkeep_alive_pktp; + int buf_len; + int str_len; + int res = BCME_ERROR; + int len_bytes = 0; + int i; + + /* ether frame to have both max IP pkt (256 bytes) and ether header */ + char *pmac_frame; + + /* + * The mkeep_alive packet is for STA interface only; if the bss is configured as AP, + * dongle shall reject a mkeep_alive request. + */ + if (!dhd_support_sta_mode(dhd_pub)) + return res; + + DHD_TRACE(("%s execution\n", __FUNCTION__)); + + if ((pbuf = kzalloc(TEMP_BUF_SIZE, GFP_KERNEL)) == NULL) { + DHD_ERROR(("failed to allocate buf with size %d\n", TEMP_BUF_SIZE)); + res = BCME_NOMEM; + return res; + } + + if ((pmac_frame = kzalloc(TEMP_FRAME_SIZE, GFP_KERNEL)) == NULL) { + DHD_ERROR(("failed to allocate mac_frame with size %d\n", TEMP_FRAME_SIZE)); + res = BCME_NOMEM; + goto exit; + } + + /* + * Get current mkeep-alive status. + */ + bcm_mkiovar("mkeep_alive", &mkeep_alive_id, sizeof(mkeep_alive_id), + pbuf, TEMP_BUF_SIZE); + + if ((res = dhd_wl_ioctl_cmd(dhd_pub, WLC_GET_VAR, pbuf, TEMP_BUF_SIZE, + FALSE, 0)) < 0) { + DHD_ERROR(("%s: Get mkeep_alive failed (error=%d)\n", __FUNCTION__, res)); + goto exit; + } else { + /* Check available ID whether it is occupied */ + mkeep_alive_pktp = (wl_mkeep_alive_pkt_t *) pbuf; + if (dtoh32(mkeep_alive_pktp->period_msec != 0)) { + DHD_ERROR(("%s: Get mkeep_alive failed, ID %u is in use.\n", + __FUNCTION__, mkeep_alive_id)); + + /* Current occupied ID info */ + DHD_ERROR(("%s: mkeep_alive\n", __FUNCTION__)); + DHD_ERROR((" Id : %d\n" + " Period: %d msec\n" + " Length: %d\n" + " Packet: 0x", + mkeep_alive_pktp->keep_alive_id, + dtoh32(mkeep_alive_pktp->period_msec), + dtoh16(mkeep_alive_pktp->len_bytes))); + + for (i = 0; i < mkeep_alive_pktp->len_bytes; i++) { + DHD_ERROR(("%02x", mkeep_alive_pktp->data[i])); + } + DHD_ERROR(("\n")); + + res = BCME_NOTFOUND; + goto exit; + } + } + + /* Request the specified ID */ + memset(&mkeep_alive_pkt, 0, sizeof(wl_mkeep_alive_pkt_t)); + memset(pbuf, 0, TEMP_BUF_SIZE); + str = "mkeep_alive"; + str_len = strlen(str); + strncpy(pbuf, str, str_len); + pbuf[str_len] = '\0'; + + mkeep_alive_pktp = (wl_mkeep_alive_pkt_t *) (pbuf + str_len + 1); + mkeep_alive_pkt.period_msec = htod32(period_msec); + buf_len = str_len + 1; + mkeep_alive_pkt.version = htod16(WL_MKEEP_ALIVE_VERSION); + mkeep_alive_pkt.length = htod16(WL_MKEEP_ALIVE_FIXED_LEN); + + /* ID assigned */ + mkeep_alive_pkt.keep_alive_id = mkeep_alive_id; + + buf_len += WL_MKEEP_ALIVE_FIXED_LEN; + + /* + * Build up Ethernet Frame + */ + + /* Mapping dest mac addr */ + memcpy(pmac_frame, dst_mac, ETHER_ADDR_LEN); + pmac_frame += ETHER_ADDR_LEN; + + /* Mapping src mac addr */ + memcpy(pmac_frame, src_mac, ETHER_ADDR_LEN); + pmac_frame += ETHER_ADDR_LEN; + + /* Mapping Ethernet type (ETHERTYPE_IP: 0x0800) */ + *(pmac_frame++) = 0x08; + *(pmac_frame++) = 0x00; + + /* Mapping IP pkt */ + memcpy(pmac_frame, ip_pkt, ip_pkt_len); + pmac_frame += ip_pkt_len; + + /* + * Length of ether frame (assume to be all hexa bytes) + * = src mac + dst mac + ether type + ip pkt len + */ + len_bytes = ETHER_ADDR_LEN*2 + ETHER_TYPE_LEN + ip_pkt_len; + /* Get back to the beginning. */ + pmac_frame -= len_bytes; + memcpy(mkeep_alive_pktp->data, pmac_frame, len_bytes); + buf_len += len_bytes; + mkeep_alive_pkt.len_bytes = htod16(len_bytes); + + /* + * Keep-alive attributes are set in local variable (mkeep_alive_pkt), and + * then memcpy'ed into buffer (mkeep_alive_pktp) since there is no + * guarantee that the buffer is properly aligned. + */ + memcpy((char *)mkeep_alive_pktp, &mkeep_alive_pkt, WL_MKEEP_ALIVE_FIXED_LEN); + + res = dhd_wl_ioctl_cmd(dhd_pub, WLC_SET_VAR, pbuf, buf_len, TRUE, 0); +exit: + kfree(pmac_frame); + kfree(pbuf); + return res; +} + +int +dhd_dev_stop_mkeep_alive(dhd_pub_t *dhd_pub, u8 mkeep_alive_id) +{ + char *pbuf; + const char *str; + wl_mkeep_alive_pkt_t mkeep_alive_pkt; + wl_mkeep_alive_pkt_t *mkeep_alive_pktp; + int buf_len; + int str_len; + int res = BCME_ERROR; + int i; + + /* + * The mkeep_alive packet is for STA interface only; if the bss is configured as AP, + * dongle shall reject a mkeep_alive request. + */ + if (!dhd_support_sta_mode(dhd_pub)) { + DHD_ERROR(("sta mode not supported \n")); + return res; + } + + DHD_TRACE(("%s execution\n", __FUNCTION__)); + + /* + * Get current mkeep-alive status. Skip ID 0 which is being used for NULL pkt. + */ + if ((pbuf = kzalloc(TEMP_BUF_SIZE, GFP_KERNEL)) == NULL) { + DHD_ERROR(("failed to allocate buf with size %d\n", TEMP_BUF_SIZE)); + return res; + } + + bcm_mkiovar("mkeep_alive", &mkeep_alive_id, sizeof(mkeep_alive_id), pbuf, TEMP_BUF_SIZE); + + if ((res = dhd_wl_ioctl_cmd(dhd_pub, WLC_GET_VAR, pbuf, TEMP_BUF_SIZE, FALSE, 0)) < 0) { + DHD_ERROR(("%s: Get mkeep_alive failed (error=%d)\n", __FUNCTION__, res)); + goto exit; + } else { + /* Check occupied ID */ + mkeep_alive_pktp = (wl_mkeep_alive_pkt_t *) pbuf; + DHD_INFO(("%s: mkeep_alive\n", __FUNCTION__)); + DHD_INFO((" Id : %d\n" + " Period: %d msec\n" + " Length: %d\n" + " Packet: 0x", + mkeep_alive_pktp->keep_alive_id, + dtoh32(mkeep_alive_pktp->period_msec), + dtoh16(mkeep_alive_pktp->len_bytes))); + + for (i = 0; i < mkeep_alive_pktp->len_bytes; i++) { + DHD_INFO(("%02x", mkeep_alive_pktp->data[i])); + } + DHD_INFO(("\n")); + } + + /* Make it stop if available */ + if (dtoh32(mkeep_alive_pktp->period_msec != 0)) { + DHD_INFO(("stop mkeep_alive on ID %d\n", mkeep_alive_id)); + memset(&mkeep_alive_pkt, 0, sizeof(wl_mkeep_alive_pkt_t)); + memset(pbuf, 0, TEMP_BUF_SIZE); + str = "mkeep_alive"; + str_len = strlen(str); + strncpy(pbuf, str, str_len); + pbuf[str_len] = '\0'; + + mkeep_alive_pktp = (wl_mkeep_alive_pkt_t *) (pbuf + str_len + 1); + + mkeep_alive_pkt.period_msec = 0; + buf_len = str_len + 1; + mkeep_alive_pkt.version = htod16(WL_MKEEP_ALIVE_VERSION); + mkeep_alive_pkt.length = htod16(WL_MKEEP_ALIVE_FIXED_LEN); + mkeep_alive_pkt.keep_alive_id = mkeep_alive_id; + buf_len += WL_MKEEP_ALIVE_FIXED_LEN; + + /* + * Keep-alive attributes are set in local variable (mkeep_alive_pkt), and + * then memcpy'ed into buffer (mkeep_alive_pktp) since there is no + * guarantee that the buffer is properly aligned. + */ + memcpy((char *)mkeep_alive_pktp, &mkeep_alive_pkt, WL_MKEEP_ALIVE_FIXED_LEN); + + res = dhd_wl_ioctl_cmd(dhd_pub, WLC_SET_VAR, pbuf, buf_len, TRUE, 0); + } else { + DHD_ERROR(("%s: ID %u does not exist.\n", __FUNCTION__, mkeep_alive_id)); + res = BCME_NOTFOUND; + } +exit: + kfree(pbuf); + return res; +} +#endif /* defined(KEEP_ALIVE) */ + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) +static void dhd_hang_process(void *dhd_info, void *event_info, u8 event) +{ + dhd_info_t *dhd; + struct net_device *dev; + + dhd = (dhd_info_t *)dhd_info; + dev = dhd->iflist[0]->net; + + if (dev) { +#if defined(WL_WIRELESS_EXT) + wl_iw_send_priv_event(dev, "HANG"); +#endif +#if defined(WL_CFG80211) + wl_cfg80211_hang(dev, WLAN_REASON_UNSPECIFIED); +#endif + } +} + +#ifdef EXYNOS_PCIE_LINKDOWN_RECOVERY +extern dhd_pub_t *link_recovery; +void dhd_host_recover_link(void) +{ + DHD_ERROR(("****** %s ******\n", __FUNCTION__)); + link_recovery->hang_reason = HANG_REASON_PCIE_LINK_DOWN; + dhd_bus_set_linkdown(link_recovery, TRUE); + dhd_os_send_hang_message(link_recovery); +} +EXPORT_SYMBOL(dhd_host_recover_link); +#endif /* EXYNOS_PCIE_LINKDOWN_RECOVERY */ + +int dhd_os_send_hang_message(dhd_pub_t *dhdp) +{ + int ret = 0; + if (dhdp) { + if (!dhdp->hang_was_sent) { +#ifdef DHD_DEBUG_UART + /* If PCIe lane has broken, execute the debug uart application + * to gether a ramdump data from dongle via uart + */ +#ifdef DHD_FW_COREDUMP + if (dhdp->memdump_enabled == DUMP_MEMFILE_BUGON) +#endif + { + if (dhdp->hang_reason == HANG_REASON_PCIE_LINK_DOWN || +#ifdef DHD_FW_COREDUMP + dhdp->memdump_success == FALSE || +#endif + FALSE) { + dhd_debug_uart_exec("rd"); +#ifdef DHD_LOG_DUMP + if (dhdp->memdump_type != DUMP_TYPE_BY_SYSDUMP) +#endif + { + BUG_ON(1); + } + } + } +#endif /* DHD_DEBUG_UART */ + dhdp->hang_was_sent = 1; + dhd_deferred_schedule_work(dhdp->info->dhd_deferred_wq, (void *)dhdp, + DHD_WQ_WORK_HANG_MSG, dhd_hang_process, DHD_WORK_PRIORITY_HIGH); + } + } + return ret; +} + +int net_os_send_hang_message(struct net_device *dev) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + int ret = 0; + + if (dhd) { + /* Report FW problem when enabled */ + if (dhd->pub.hang_report) { +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + ret = dhd_os_send_hang_message(&dhd->pub); +#else + ret = wl_cfg80211_hang(dev, WLAN_REASON_UNSPECIFIED); +#endif + } else { + DHD_ERROR(("%s: FW HANG ignored (for testing purpose) and not sent up\n", + __FUNCTION__)); + } + } + return ret; +} + +int net_os_send_hang_message_reason(struct net_device *dev, const char *string_num) +{ + dhd_info_t *dhd = NULL; + dhd_pub_t *dhdp = NULL; + int reason; + + dhd = DHD_DEV_INFO(dev); + if (dhd) { + dhdp = &dhd->pub; + } + + if (!dhd || !dhdp) { + return 0; + } + + reason = bcm_strtoul(string_num, NULL, 0); + DHD_INFO(("%s: Enter, reason=0x%x\n", __FUNCTION__, reason)); + + if ((reason <= HANG_REASON_MASK) || (reason >= HANG_REASON_MAX)) { + reason = 0; + } + + dhdp->hang_reason = reason; + + return net_os_send_hang_message(dev); +} +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) && OEM_ANDROID */ + + +int dhd_net_wifi_platform_set_power(struct net_device *dev, bool on, unsigned long delay_msec) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + return wifi_platform_set_power(dhd->adapter, on, delay_msec); +} + +bool dhd_force_country_change(struct net_device *dev) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + + if (dhd && dhd->pub.up) + return dhd->pub.force_country_change; + return FALSE; +} +void dhd_get_customized_country_code(struct net_device *dev, char *country_iso_code, + wl_country_t *cspec) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); +#ifdef CUSTOM_COUNTRY_CODE + get_customized_country_code(dhd->adapter, country_iso_code, cspec, + dhd->pub.dhd_cflags); +#else + get_customized_country_code(dhd->adapter, country_iso_code, cspec); +#endif /* CUSTOM_COUNTRY_CODE */ + + +} +void dhd_bus_country_set(struct net_device *dev, wl_country_t *cspec, bool notify) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + if (dhd && dhd->pub.up) { + memcpy(&dhd->pub.dhd_cspec, cspec, sizeof(wl_country_t)); +#ifdef WL_CFG80211 + wl_update_wiphybands(DHD_GET_CFG80211_PRIV(&dhd->pub), notify, true); +#endif + } +} + +void dhd_bus_band_set(struct net_device *dev, uint band) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + if (dhd && dhd->pub.up) { +#ifdef WL_CFG80211 + wl_update_wiphybands(DHD_GET_CFG80211_PRIV(&dhd->pub), true, true); +#endif + } +} + +int dhd_net_set_fw_path(struct net_device *dev, char *fw) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + + if (!fw || fw[0] == '\0') + return -EINVAL; + + strncpy(dhd->fw_path, fw, sizeof(dhd->fw_path) - 1); + dhd->fw_path[sizeof(dhd->fw_path)-1] = '\0'; + +#if defined(SOFTAP) + if (strstr(fw, "apsta") != NULL) { + DHD_INFO(("GOT APSTA FIRMWARE\n")); + ap_fw_loaded = TRUE; + } else { + DHD_INFO(("GOT STA FIRMWARE\n")); + ap_fw_loaded = FALSE; + } +#endif + return 0; +} + +void dhd_net_if_lock(struct net_device *dev) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + dhd_net_if_lock_local(dhd); +} + +void dhd_net_if_unlock(struct net_device *dev) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + dhd_net_if_unlock_local(dhd); +} + +static void dhd_net_if_lock_local(dhd_info_t *dhd) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + if (dhd) + mutex_lock(&dhd->dhd_net_if_mutex); +#endif +} + +static void dhd_net_if_unlock_local(dhd_info_t *dhd) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + if (dhd) + mutex_unlock(&dhd->dhd_net_if_mutex); +#endif +} + +static void dhd_suspend_lock(dhd_pub_t *pub) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + if (dhd) + mutex_lock(&dhd->dhd_suspend_mutex); +#endif +} + +static void dhd_suspend_unlock(dhd_pub_t *pub) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + if (dhd) + mutex_unlock(&dhd->dhd_suspend_mutex); +#endif +} + +unsigned long dhd_os_general_spin_lock(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags = 0; + + if (dhd) + spin_lock_irqsave(&dhd->dhd_lock, flags); + + return flags; +} + +void dhd_os_general_spin_unlock(dhd_pub_t *pub, unsigned long flags) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + + if (dhd) + spin_unlock_irqrestore(&dhd->dhd_lock, flags); +} + +/* Linux specific multipurpose spinlock API */ +void * +dhd_os_spin_lock_init(osl_t *osh) +{ + /* Adding 4 bytes since the sizeof(spinlock_t) could be 0 */ + /* if CONFIG_SMP and CONFIG_DEBUG_SPINLOCK are not defined */ + /* and this results in kernel asserts in internal builds */ + spinlock_t * lock = MALLOC(osh, sizeof(spinlock_t) + 4); + if (lock) + spin_lock_init(lock); + return ((void *)lock); +} +void +dhd_os_spin_lock_deinit(osl_t *osh, void *lock) +{ + if (lock) + MFREE(osh, lock, sizeof(spinlock_t) + 4); +} +unsigned long +dhd_os_spin_lock(void *lock) +{ + unsigned long flags = 0; + + if (lock) + spin_lock_irqsave((spinlock_t *)lock, flags); + + return flags; +} +void +dhd_os_spin_unlock(void *lock, unsigned long flags) +{ + if (lock) + spin_unlock_irqrestore((spinlock_t *)lock, flags); +} + +static int +dhd_get_pend_8021x_cnt(dhd_info_t *dhd) +{ + return (atomic_read(&dhd->pend_8021x_cnt)); +} + +#define MAX_WAIT_FOR_8021X_TX 100 + +int +dhd_wait_pend8021x(struct net_device *dev) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + int timeout = msecs_to_jiffies(10); + int ntimes = MAX_WAIT_FOR_8021X_TX; + int pend = dhd_get_pend_8021x_cnt(dhd); + + while (ntimes && pend) { + if (pend) { + set_current_state(TASK_INTERRUPTIBLE); + DHD_PERIM_UNLOCK(&dhd->pub); + schedule_timeout(timeout); + DHD_PERIM_LOCK(&dhd->pub); + set_current_state(TASK_RUNNING); + ntimes--; + } + pend = dhd_get_pend_8021x_cnt(dhd); + } + if (ntimes == 0) + { + atomic_set(&dhd->pend_8021x_cnt, 0); + DHD_ERROR(("%s: TIMEOUT\n", __FUNCTION__)); + } + return pend; +} + +#ifdef DHD_DEBUG +static void +dhd_convert_memdump_type_to_str(uint32 type, char *buf) +{ + char *type_str = NULL; + + switch (type) { + case DUMP_TYPE_RESUMED_ON_TIMEOUT: + type_str = "resumed_on_timeout"; + break; + case DUMP_TYPE_D3_ACK_TIMEOUT: + type_str = "D3_ACK_timeout"; + break; + case DUMP_TYPE_DONGLE_TRAP: + type_str = "Dongle_Trap"; + break; + case DUMP_TYPE_MEMORY_CORRUPTION: + type_str = "Memory_Corruption"; + break; + case DUMP_TYPE_PKTID_AUDIT_FAILURE: + type_str = "PKTID_AUDIT_Fail"; + break; + case DUMP_TYPE_SCAN_TIMEOUT: + type_str = "SCAN_timeout"; + break; + case DUMP_TYPE_SCAN_BUSY: + type_str = "SCAN_Busy"; + break; + case DUMP_TYPE_BY_SYSDUMP: + type_str = "BY_SYSDUMP"; + break; + case DUMP_TYPE_BY_LIVELOCK: + type_str = "BY_LIVELOCK"; + break; + case DUMP_TYPE_AP_LINKUP_FAILURE: + type_str = "BY_AP_LINK_FAILURE"; + break; + case DUMP_TYPE_AP_ABNORMAL_ACCESS: + type_str = "INVALID_ACCESS"; + break; + default: + type_str = "Unknown_type"; + break; + } + + strncpy(buf, type_str, strlen(type_str)); + buf[strlen(type_str)] = 0; +} + +int +write_to_file(dhd_pub_t *dhd, uint8 *buf, int size) +{ + int ret = 0; + struct file *fp = NULL; + mm_segment_t old_fs; + loff_t pos = 0; + char memdump_path[128]; + char memdump_type[32]; + struct timeval curtime; + uint32 file_mode; + + /* change to KERNEL_DS address limit */ + old_fs = get_fs(); + set_fs(KERNEL_DS); + + /* Init file name */ + memset(memdump_path, 0, sizeof(memdump_path)); + memset(memdump_type, 0, sizeof(memdump_type)); + do_gettimeofday(&curtime); + dhd_convert_memdump_type_to_str(dhd->memdump_type, memdump_type); +#ifdef CUSTOMER_HW4_DEBUG + snprintf(memdump_path, sizeof(memdump_path), "%s_%s_%ld.%ld", + DHD_COMMON_DUMP_PATH "mem_dump", memdump_type, + (unsigned long)curtime.tv_sec, (unsigned long)curtime.tv_usec); + file_mode = O_CREAT | O_WRONLY | O_SYNC; +#elif defined(CUSTOMER_HW2) + snprintf(memdump_path, sizeof(memdump_path), "%s_%s_%ld.%ld", + "/data/misc/wifi/mem_dump", memdump_type, + (unsigned long)curtime.tv_sec, (unsigned long)curtime.tv_usec); + file_mode = O_CREAT | O_WRONLY | O_SYNC; +#else + snprintf(memdump_path, sizeof(memdump_path), "%s_%s_%ld.%ld", + "/installmedia/mem_dump", memdump_type, + (unsigned long)curtime.tv_sec, (unsigned long)curtime.tv_usec); + /* Extra flags O_DIRECT and O_SYNC are required for Brix Android, as we are + * calling BUG_ON immediately after collecting the socram dump. + * So the file write operation should directly write the contents into the + * file instead of caching it. O_TRUNC flag ensures that file will be re-written + * instead of appending. + */ + file_mode = O_CREAT | O_WRONLY | O_DIRECT | O_SYNC | O_TRUNC; +#endif /* CUSTOMER_HW4_DEBUG */ + + /* print SOCRAM dump file path */ + DHD_ERROR(("%s: memdump_path = %s\n", __FUNCTION__, memdump_path)); + + /* open file to write */ + fp = filp_open(memdump_path, file_mode, 0644); + if (IS_ERR(fp)) { + ret = PTR_ERR(fp); + printf("%s: open file error, err = %d\n", __FUNCTION__, ret); + goto exit; + } + + /* Write buf to file */ + fp->f_op->write(fp, buf, size, &pos); + +exit: + /* close file before return */ + if (!ret) + filp_close(fp, current->files); + + /* restore previous address limit */ + set_fs(old_fs); + + /* free buf before return */ +#if defined(CONFIG_DHD_USE_STATIC_BUF) && defined(DHD_USE_STATIC_MEMDUMP) + DHD_OS_PREFREE(dhd, buf, size); +#else + MFREE(dhd->osh, buf, size); +#endif /* CONFIG_DHD_USE_STATIC_BUF && DHD_USE_STATIC_MEMDUMP */ + + return ret; +} +#endif /* DHD_DEBUG */ + +int dhd_os_wake_lock_timeout(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + int ret = 0; + + if (dhd) { + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + ret = dhd->wakelock_rx_timeout_enable > dhd->wakelock_ctrl_timeout_enable ? + dhd->wakelock_rx_timeout_enable : dhd->wakelock_ctrl_timeout_enable; +#ifdef CONFIG_HAS_WAKELOCK + if (dhd->wakelock_rx_timeout_enable) + wake_lock_timeout(&dhd->wl_rxwake, + msecs_to_jiffies(dhd->wakelock_rx_timeout_enable)); + if (dhd->wakelock_ctrl_timeout_enable) + wake_lock_timeout(&dhd->wl_ctrlwake, + msecs_to_jiffies(dhd->wakelock_ctrl_timeout_enable)); +#endif + dhd->wakelock_rx_timeout_enable = 0; + dhd->wakelock_ctrl_timeout_enable = 0; + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + } + return ret; +} + +int net_os_wake_lock_timeout(struct net_device *dev) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + int ret = 0; + + if (dhd) + ret = dhd_os_wake_lock_timeout(&dhd->pub); + return ret; +} + +int dhd_os_wake_lock_rx_timeout_enable(dhd_pub_t *pub, int val) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + + if (dhd) { + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + if (val > dhd->wakelock_rx_timeout_enable) + dhd->wakelock_rx_timeout_enable = val; + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + } + return 0; +} + +int dhd_os_wake_lock_ctrl_timeout_enable(dhd_pub_t *pub, int val) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + + if (dhd) { + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + if (val > dhd->wakelock_ctrl_timeout_enable) + dhd->wakelock_ctrl_timeout_enable = val; + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + } + return 0; +} + +int dhd_os_wake_lock_ctrl_timeout_cancel(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + + if (dhd) { + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + dhd->wakelock_ctrl_timeout_enable = 0; +#ifdef CONFIG_HAS_WAKELOCK + if (wake_lock_active(&dhd->wl_ctrlwake)) + wake_unlock(&dhd->wl_ctrlwake); +#endif + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + } + return 0; +} + +int net_os_wake_lock_rx_timeout_enable(struct net_device *dev, int val) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + int ret = 0; + + if (dhd) + ret = dhd_os_wake_lock_rx_timeout_enable(&dhd->pub, val); + return ret; +} + +int net_os_wake_lock_ctrl_timeout_enable(struct net_device *dev, int val) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + int ret = 0; + + if (dhd) + ret = dhd_os_wake_lock_ctrl_timeout_enable(&dhd->pub, val); + return ret; +} + + +#if defined(DHD_TRACE_WAKE_LOCK) +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) +#include <linux/hashtable.h> +#else +#include <linux/hash.h> +#endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0) */ + + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) +/* Define 2^5 = 32 bucket size hash table */ +DEFINE_HASHTABLE(wklock_history, 5); +#else +/* Define 2^5 = 32 bucket size hash table */ +struct hlist_head wklock_history[32] = { [0 ... 31] = HLIST_HEAD_INIT }; +#endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0) */ + +int trace_wklock_onoff = 1; + +typedef enum dhd_wklock_type { + DHD_WAKE_LOCK, + DHD_WAKE_UNLOCK, + DHD_WAIVE_LOCK, + DHD_RESTORE_LOCK +} dhd_wklock_t; + +struct wk_trace_record { + unsigned long addr; /* Address of the instruction */ + dhd_wklock_t lock_type; /* lock_type */ + unsigned long long counter; /* counter information */ + struct hlist_node wklock_node; /* hash node */ +}; + + +static struct wk_trace_record *find_wklock_entry(unsigned long addr) +{ + struct wk_trace_record *wklock_info; +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) + hash_for_each_possible(wklock_history, wklock_info, wklock_node, addr) +#else + struct hlist_node *entry; + int index = hash_long(addr, ilog2(ARRAY_SIZE(wklock_history))); + hlist_for_each_entry(wklock_info, entry, &wklock_history[index], wklock_node) +#endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0) */ + { + if (wklock_info->addr == addr) { + return wklock_info; + } + } + return NULL; +} + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) +#define HASH_ADD(hashtable, node, key) \ + do { \ + hash_add(hashtable, node, key); \ + } while (0); +#else +#define HASH_ADD(hashtable, node, key) \ + do { \ + int index = hash_long(key, ilog2(ARRAY_SIZE(hashtable))); \ + hlist_add_head(node, &hashtable[index]); \ + } while (0); +#endif /* KERNEL_VER < KERNEL_VERSION(3, 7, 0) */ + +#define STORE_WKLOCK_RECORD(wklock_type) \ + do { \ + struct wk_trace_record *wklock_info = NULL; \ + unsigned long func_addr = (unsigned long)__builtin_return_address(0); \ + wklock_info = find_wklock_entry(func_addr); \ + if (wklock_info) { \ + if (wklock_type == DHD_WAIVE_LOCK || wklock_type == DHD_RESTORE_LOCK) { \ + wklock_info->counter = dhd->wakelock_counter; \ + } else { \ + wklock_info->counter++; \ + } \ + } else { \ + wklock_info = kzalloc(sizeof(*wklock_info), GFP_ATOMIC); \ + if (!wklock_info) {\ + printk("Can't allocate wk_trace_record \n"); \ + } else { \ + wklock_info->addr = func_addr; \ + wklock_info->lock_type = wklock_type; \ + if (wklock_type == DHD_WAIVE_LOCK || \ + wklock_type == DHD_RESTORE_LOCK) { \ + wklock_info->counter = dhd->wakelock_counter; \ + } else { \ + wklock_info->counter++; \ + } \ + HASH_ADD(wklock_history, &wklock_info->wklock_node, func_addr); \ + } \ + } \ + } while (0); + +static inline void dhd_wk_lock_rec_dump(void) +{ + int bkt; + struct wk_trace_record *wklock_info; + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) + hash_for_each(wklock_history, bkt, wklock_info, wklock_node) +#else + struct hlist_node *entry = NULL; + int max_index = ARRAY_SIZE(wklock_history); + for (bkt = 0; bkt < max_index; bkt++) + hlist_for_each_entry(wklock_info, entry, &wklock_history[bkt], wklock_node) +#endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0) */ + { + switch (wklock_info->lock_type) { + case DHD_WAKE_LOCK: + DHD_ERROR(("wakelock lock : %pS lock_counter : %llu\n", + (void *)wklock_info->addr, wklock_info->counter)); + break; + case DHD_WAKE_UNLOCK: + DHD_ERROR(("wakelock unlock : %pS, unlock_counter : %llu\n", + (void *)wklock_info->addr, wklock_info->counter)); + break; + case DHD_WAIVE_LOCK: + DHD_ERROR(("wakelock waive : %pS before_waive : %llu\n", + (void *)wklock_info->addr, wklock_info->counter)); + break; + case DHD_RESTORE_LOCK: + DHD_ERROR(("wakelock restore : %pS, after_waive : %llu\n", + (void *)wklock_info->addr, wklock_info->counter)); + break; + } + } +} + +static void dhd_wk_lock_trace_init(struct dhd_info *dhd) +{ + unsigned long flags; +#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 0)) + int i; +#endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0) */ + + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) + hash_init(wklock_history); +#else + for (i = 0; i < ARRAY_SIZE(wklock_history); i++) + INIT_HLIST_HEAD(&wklock_history[i]); +#endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0) */ + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); +} + +static void dhd_wk_lock_trace_deinit(struct dhd_info *dhd) +{ + int bkt; + struct wk_trace_record *wklock_info; + struct hlist_node *tmp; + unsigned long flags; +#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 0)) + struct hlist_node *entry = NULL; + int max_index = ARRAY_SIZE(wklock_history); +#endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0) */ + + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) + hash_for_each_safe(wklock_history, bkt, tmp, wklock_info, wklock_node) +#else + for (bkt = 0; bkt < max_index; bkt++) + hlist_for_each_entry_safe(wklock_info, entry, tmp, + &wklock_history[bkt], wklock_node) +#endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0)) */ + { +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) + hash_del(&wklock_info->wklock_node); +#else + hlist_del_init(&wklock_info->wklock_node); +#endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0)) */ + kfree(wklock_info); + } + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); +} + +void dhd_wk_lock_stats_dump(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd = (dhd_info_t *)(dhdp->info); + unsigned long flags; + + DHD_ERROR((KERN_ERR"DHD Printing wl_wake Lock/Unlock Record \r\n")); + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + dhd_wk_lock_rec_dump(); + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); +} +#else +#define STORE_WKLOCK_RECORD(wklock_type) +#endif /* ! DHD_TRACE_WAKE_LOCK */ + +int dhd_os_wake_lock(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + int ret = 0; + + if (dhd) { + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + if (dhd->wakelock_counter == 0 && !dhd->waive_wakelock) { +#ifdef CONFIG_HAS_WAKELOCK + wake_lock(&dhd->wl_wifi); +#elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) + dhd_bus_dev_pm_stay_awake(pub); +#endif + } +#ifdef DHD_TRACE_WAKE_LOCK + if (trace_wklock_onoff) { + STORE_WKLOCK_RECORD(DHD_WAKE_LOCK); + } +#endif /* DHD_TRACE_WAKE_LOCK */ + dhd->wakelock_counter++; + ret = dhd->wakelock_counter; + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + } + + return ret; +} + +void dhd_event_wake_lock(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + + if (dhd) { +#ifdef CONFIG_HAS_WAKELOCK + wake_lock(&dhd->wl_evtwake); +#elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) + dhd_bus_dev_pm_stay_awake(pub); +#endif + } +} + +void +dhd_pm_wake_lock_timeout(dhd_pub_t *pub, int val) +{ +#ifdef CONFIG_HAS_WAKELOCK + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + + if (dhd) { + wake_lock_timeout(&dhd->wl_pmwake, msecs_to_jiffies(val)); + } +#endif /* CONFIG_HAS_WAKE_LOCK */ +} + +void +dhd_txfl_wake_lock(dhd_pub_t *pub) +{ +#ifdef CONFIG_HAS_WAKELOCK + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + + if (dhd) { + wake_lock(&dhd->wl_txflwake); + } +#endif /* CONFIG_HAS_WAKE_LOCK */ +} + +int net_os_wake_lock(struct net_device *dev) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + int ret = 0; + + if (dhd) + ret = dhd_os_wake_lock(&dhd->pub); + return ret; +} + +int dhd_os_wake_unlock(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + int ret = 0; + + dhd_os_wake_lock_timeout(pub); + if (dhd) { + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + + if (dhd->wakelock_counter > 0) { + dhd->wakelock_counter--; +#ifdef DHD_TRACE_WAKE_LOCK + if (trace_wklock_onoff) { + STORE_WKLOCK_RECORD(DHD_WAKE_UNLOCK); + } +#endif /* DHD_TRACE_WAKE_LOCK */ + if (dhd->wakelock_counter == 0 && !dhd->waive_wakelock) { +#ifdef CONFIG_HAS_WAKELOCK + wake_unlock(&dhd->wl_wifi); +#elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) + dhd_bus_dev_pm_relax(pub); +#endif + } + ret = dhd->wakelock_counter; + } + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + } + return ret; +} + +void dhd_event_wake_unlock(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + + if (dhd) { +#ifdef CONFIG_HAS_WAKELOCK + wake_unlock(&dhd->wl_evtwake); +#elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) + dhd_bus_dev_pm_relax(pub); +#endif + } +} + +void dhd_pm_wake_unlock(dhd_pub_t *pub) +{ +#ifdef CONFIG_HAS_WAKELOCK + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + + if (dhd) { + /* if wl_pmwake is active, unlock it */ + if (wake_lock_active(&dhd->wl_pmwake)) { + wake_unlock(&dhd->wl_pmwake); + } + } +#endif /* CONFIG_HAS_WAKELOCK */ +} + +void dhd_txfl_wake_unlock(dhd_pub_t *pub) +{ +#ifdef CONFIG_HAS_WAKELOCK + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + + if (dhd) { + /* if wl_txflwake is active, unlock it */ + if (wake_lock_active(&dhd->wl_txflwake)) { + wake_unlock(&dhd->wl_txflwake); + } + } +#endif /* CONFIG_HAS_WAKELOCK */ +} + +int dhd_os_check_wakelock(dhd_pub_t *pub) +{ +#if defined(CONFIG_HAS_WAKELOCK) || (defined(BCMSDIO) && (LINUX_VERSION_CODE > \ + KERNEL_VERSION(2, 6, 36))) + dhd_info_t *dhd; + + if (!pub) + return 0; + dhd = (dhd_info_t *)(pub->info); +#endif /* CONFIG_HAS_WAKELOCK || BCMSDIO */ + +#ifdef CONFIG_HAS_WAKELOCK + /* Indicate to the SD Host to avoid going to suspend if internal locks are up */ + if (dhd && (wake_lock_active(&dhd->wl_wifi) || + (wake_lock_active(&dhd->wl_wdwake)))) + return 1; +#elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) + if (dhd && (dhd->wakelock_counter > 0) && dhd_bus_dev_pm_enabled(pub)) + return 1; +#endif + return 0; +} + +int +dhd_os_check_wakelock_all(dhd_pub_t *pub) +{ +#ifdef CONFIG_HAS_WAKELOCK + int l1, l2, l3, l4, l7, l8, l9; + int l5 = 0, l6 = 0; + int c, lock_active; +#endif /* CONFIG_HAS_WAKELOCK */ +#if defined(CONFIG_HAS_WAKELOCK) || (defined(BCMSDIO) && (LINUX_VERSION_CODE > \ + KERNEL_VERSION(2, 6, 36))) + dhd_info_t *dhd; + + if (!pub) { + return 0; + } + dhd = (dhd_info_t *)(pub->info); + if (!dhd) { + return 0; + } +#endif /* CONFIG_HAS_WAKELOCK || BCMSDIO */ + +#ifdef CONFIG_HAS_WAKELOCK + c = dhd->wakelock_counter; + l1 = wake_lock_active(&dhd->wl_wifi); + l2 = wake_lock_active(&dhd->wl_wdwake); + l3 = wake_lock_active(&dhd->wl_rxwake); + l4 = wake_lock_active(&dhd->wl_ctrlwake); +#ifdef BCMPCIE_OOB_HOST_WAKE + l5 = wake_lock_active(&dhd->wl_intrwake); +#endif /* BCMPCIE_OOB_HOST_WAKE */ +#ifdef DHD_USE_SCAN_WAKELOCK + l6 = wake_lock_active(&dhd->wl_scanwake); +#endif /* DHD_USE_SCAN_WAKELOCK */ + l7 = wake_lock_active(&dhd->wl_evtwake); + l8 = wake_lock_active(&dhd->wl_pmwake); + l9 = wake_lock_active(&dhd->wl_txflwake); + lock_active = (l1 || l2 || l3 || l4 || l5 || l6 || l7 || l8 || l9); + + /* Indicate to the Host to avoid going to suspend if internal locks are up */ + if (dhd && lock_active) { + DHD_ERROR(("%s wakelock c-%d wl-%d wd-%d rx-%d " + "ctl-%d intr-%d scan-%d evt-%d, pm-%d, txfl-%d\n", + __FUNCTION__, c, l1, l2, l3, l4, l5, l6, l7, l8, l9)); + return 1; + } +#elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) + if (dhd && (dhd->wakelock_counter > 0) && dhd_bus_dev_pm_enabled(pub)) { + return 1; + } +#endif /* CONFIG_HAS_WAKELOCK */ + return 0; +} + +int net_os_wake_unlock(struct net_device *dev) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + int ret = 0; + + if (dhd) + ret = dhd_os_wake_unlock(&dhd->pub); + return ret; +} + +int dhd_os_wd_wake_lock(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + int ret = 0; + + if (dhd) { + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); +#ifdef CONFIG_HAS_WAKELOCK + /* if wakelock_wd_counter was never used : lock it at once */ + if (!dhd->wakelock_wd_counter) + wake_lock(&dhd->wl_wdwake); +#endif + dhd->wakelock_wd_counter++; + ret = dhd->wakelock_wd_counter; + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + } + return ret; +} + +int dhd_os_wd_wake_unlock(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + int ret = 0; + + if (dhd) { + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + if (dhd->wakelock_wd_counter) { + dhd->wakelock_wd_counter = 0; +#ifdef CONFIG_HAS_WAKELOCK + wake_unlock(&dhd->wl_wdwake); +#endif + } + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + } + return ret; +} + +#ifdef BCMPCIE_OOB_HOST_WAKE +void +dhd_os_oob_irq_wake_lock_timeout(dhd_pub_t *pub, int val) +{ +#ifdef CONFIG_HAS_WAKELOCK + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + + if (dhd) { + wake_lock_timeout(&dhd->wl_intrwake, msecs_to_jiffies(val)); + } +#endif /* CONFIG_HAS_WAKELOCK */ +} + +void +dhd_os_oob_irq_wake_unlock(dhd_pub_t *pub) +{ +#ifdef CONFIG_HAS_WAKELOCK + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + + if (dhd) { + /* if wl_intrwake is active, unlock it */ + if (wake_lock_active(&dhd->wl_intrwake)) { + wake_unlock(&dhd->wl_intrwake); + } + } +#endif /* CONFIG_HAS_WAKELOCK */ +} +#endif /* BCMPCIE_OOB_HOST_WAKE */ + +#ifdef DHD_USE_SCAN_WAKELOCK +void +dhd_os_scan_wake_lock_timeout(dhd_pub_t *pub, int val) +{ +#ifdef CONFIG_HAS_WAKELOCK + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + + if (dhd) { + wake_lock_timeout(&dhd->wl_scanwake, msecs_to_jiffies(val)); + } +#endif /* CONFIG_HAS_WAKELOCK */ +} + +void +dhd_os_scan_wake_unlock(dhd_pub_t *pub) +{ +#ifdef CONFIG_HAS_WAKELOCK + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + + if (dhd) { + /* if wl_scanwake is active, unlock it */ + if (wake_lock_active(&dhd->wl_scanwake)) { + wake_unlock(&dhd->wl_scanwake); + } + } +#endif /* CONFIG_HAS_WAKELOCK */ +} +#endif /* DHD_USE_SCAN_WAKELOCK */ + +/* waive wakelocks for operations such as IOVARs in suspend function, must be closed + * by a paired function call to dhd_wakelock_restore. returns current wakelock counter + */ +int dhd_os_wake_lock_waive(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + int ret = 0; + + if (dhd) { + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + + /* dhd_wakelock_waive/dhd_wakelock_restore must be paired */ + if (dhd->waive_wakelock == FALSE) { +#ifdef DHD_TRACE_WAKE_LOCK + if (trace_wklock_onoff) { + STORE_WKLOCK_RECORD(DHD_WAIVE_LOCK); + } +#endif /* DHD_TRACE_WAKE_LOCK */ + /* record current lock status */ + dhd->wakelock_before_waive = dhd->wakelock_counter; + dhd->waive_wakelock = TRUE; + } + ret = dhd->wakelock_wd_counter; + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + } + return ret; +} + +int dhd_os_wake_lock_restore(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + int ret = 0; + + if (!dhd) + return 0; + + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + + /* dhd_wakelock_waive/dhd_wakelock_restore must be paired */ + if (!dhd->waive_wakelock) + goto exit; + + dhd->waive_wakelock = FALSE; + /* if somebody else acquires wakelock between dhd_wakelock_waive/dhd_wakelock_restore, + * we need to make it up by calling wake_lock or pm_stay_awake. or if somebody releases + * the lock in between, do the same by calling wake_unlock or pm_relax + */ +#ifdef DHD_TRACE_WAKE_LOCK + if (trace_wklock_onoff) { + STORE_WKLOCK_RECORD(DHD_RESTORE_LOCK); + } +#endif /* DHD_TRACE_WAKE_LOCK */ + + if (dhd->wakelock_before_waive == 0 && dhd->wakelock_counter > 0) { +#ifdef CONFIG_HAS_WAKELOCK + wake_lock(&dhd->wl_wifi); +#elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) + dhd_bus_dev_pm_stay_awake(&dhd->pub); +#endif + } else if (dhd->wakelock_before_waive > 0 && dhd->wakelock_counter == 0) { +#ifdef CONFIG_HAS_WAKELOCK + wake_unlock(&dhd->wl_wifi); +#elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) + dhd_bus_dev_pm_relax(&dhd->pub); +#endif + } + dhd->wakelock_before_waive = 0; +exit: + ret = dhd->wakelock_wd_counter; + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + return ret; +} + +void dhd_os_wake_lock_init(struct dhd_info *dhd) +{ + DHD_TRACE(("%s: initialize wake_lock_counters\n", __FUNCTION__)); + dhd->wakelock_counter = 0; + dhd->wakelock_rx_timeout_enable = 0; + dhd->wakelock_ctrl_timeout_enable = 0; +#ifdef CONFIG_HAS_WAKELOCK + wake_lock_init(&dhd->wl_wifi, WAKE_LOCK_SUSPEND, "wlan_wake"); + wake_lock_init(&dhd->wl_rxwake, WAKE_LOCK_SUSPEND, "wlan_rx_wake"); + wake_lock_init(&dhd->wl_ctrlwake, WAKE_LOCK_SUSPEND, "wlan_ctrl_wake"); + wake_lock_init(&dhd->wl_evtwake, WAKE_LOCK_SUSPEND, "wlan_evt_wake"); + wake_lock_init(&dhd->wl_pmwake, WAKE_LOCK_SUSPEND, "wlan_pm_wake"); + wake_lock_init(&dhd->wl_txflwake, WAKE_LOCK_SUSPEND, "wlan_txfl_wake"); +#ifdef BCMPCIE_OOB_HOST_WAKE + wake_lock_init(&dhd->wl_intrwake, WAKE_LOCK_SUSPEND, "wlan_oob_irq_wake"); +#endif /* BCMPCIE_OOB_HOST_WAKE */ +#ifdef DHD_USE_SCAN_WAKELOCK + wake_lock_init(&dhd->wl_scanwake, WAKE_LOCK_SUSPEND, "wlan_scan_wake"); +#endif /* DHD_USE_SCAN_WAKELOCK */ +#endif /* CONFIG_HAS_WAKELOCK */ +#ifdef DHD_TRACE_WAKE_LOCK + dhd_wk_lock_trace_init(dhd); +#endif /* DHD_TRACE_WAKE_LOCK */ +} + +void dhd_os_wake_lock_destroy(struct dhd_info *dhd) +{ + DHD_TRACE(("%s: deinit wake_lock_counters\n", __FUNCTION__)); +#ifdef CONFIG_HAS_WAKELOCK + dhd->wakelock_counter = 0; + dhd->wakelock_rx_timeout_enable = 0; + dhd->wakelock_ctrl_timeout_enable = 0; + wake_lock_destroy(&dhd->wl_wifi); + wake_lock_destroy(&dhd->wl_rxwake); + wake_lock_destroy(&dhd->wl_ctrlwake); + wake_lock_destroy(&dhd->wl_evtwake); + wake_lock_destroy(&dhd->wl_pmwake); + wake_lock_destroy(&dhd->wl_txflwake); +#ifdef BCMPCIE_OOB_HOST_WAKE + wake_lock_destroy(&dhd->wl_intrwake); +#endif /* BCMPCIE_OOB_HOST_WAKE */ +#ifdef DHD_USE_SCAN_WAKELOCK + wake_lock_destroy(&dhd->wl_scanwake); +#endif /* DHD_USE_SCAN_WAKELOCK */ +#ifdef DHD_TRACE_WAKE_LOCK + dhd_wk_lock_trace_deinit(dhd); +#endif /* DHD_TRACE_WAKE_LOCK */ +#endif /* CONFIG_HAS_WAKELOCK */ +} + +bool dhd_os_check_if_up(dhd_pub_t *pub) +{ + if (!pub) + return FALSE; + return pub->up; +} + +#if defined(BCMSDIO) +/* function to collect firmware, chip id and chip version info */ +void dhd_set_version_info(dhd_pub_t *dhdp, char *fw) +{ + int i; + + i = snprintf(info_string, sizeof(info_string), + " Driver: %s\n Firmware: %s ", EPI_VERSION_STR, fw); + + if (!dhdp) + return; + + i = snprintf(&info_string[i], sizeof(info_string) - i, + "\n Chip: %x Rev %x Pkg %x", dhd_bus_chip_id(dhdp), + dhd_bus_chiprev_id(dhdp), dhd_bus_chippkg_id(dhdp)); +} +#endif /* defined(BCMSDIO) */ +int dhd_ioctl_entry_local(struct net_device *net, wl_ioctl_t *ioc, int cmd) +{ + int ifidx; + int ret = 0; + dhd_info_t *dhd = NULL; + + if (!net || !DEV_PRIV(net)) { + DHD_ERROR(("%s invalid parameter\n", __FUNCTION__)); + return -EINVAL; + } + + dhd = DHD_DEV_INFO(net); + if (!dhd) + return -EINVAL; + + ifidx = dhd_net2idx(dhd, net); + if (ifidx == DHD_BAD_IF) { + DHD_ERROR(("%s bad ifidx\n", __FUNCTION__)); + return -ENODEV; + } + + DHD_OS_WAKE_LOCK(&dhd->pub); + DHD_PERIM_LOCK(&dhd->pub); + + ret = dhd_wl_ioctl(&dhd->pub, ifidx, ioc, ioc->buf, ioc->len); + dhd_check_hang(net, &dhd->pub, ret); + + DHD_PERIM_UNLOCK(&dhd->pub); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + + return ret; +} + +bool dhd_os_check_hang(dhd_pub_t *dhdp, int ifidx, int ret) +{ + struct net_device *net; + + net = dhd_idx2net(dhdp, ifidx); + if (!net) { + DHD_ERROR(("%s : Invalid index : %d\n", __FUNCTION__, ifidx)); + return -EINVAL; + } + + return dhd_check_hang(net, dhdp, ret); +} + +/* Return instance */ +int dhd_get_instance(dhd_pub_t *dhdp) +{ + return dhdp->info->unit; +} + + +#ifdef PROP_TXSTATUS + +void dhd_wlfc_plat_init(void *dhd) +{ +#ifdef USE_DYNAMIC_F2_BLKSIZE + dhdsdio_func_blocksize((dhd_pub_t *)dhd, 2, DYNAMIC_F2_BLKSIZE_FOR_NONLEGACY); +#endif /* USE_DYNAMIC_F2_BLKSIZE */ + return; +} + +void dhd_wlfc_plat_deinit(void *dhd) +{ +#ifdef USE_DYNAMIC_F2_BLKSIZE + dhdsdio_func_blocksize((dhd_pub_t *)dhd, 2, sd_f2_blocksize); +#endif /* USE_DYNAMIC_F2_BLKSIZE */ + return; +} + +bool dhd_wlfc_skip_fc(void *dhd) +{ +#ifdef SKIP_WLFC_ON_CONCURRENT +#ifdef WL_CFG80211 + dhd_pub_t *dhdp = (dhd_pub_t *)dhd; + + /* enable flow control in vsdb mode */ + return !(wl_cfg80211_is_concurrent_mode(DHD_GET_CFG80211_PRIV(dhdp))); +#else + return TRUE; /* skip flow control */ +#endif /* WL_CFG80211 */ + +#else + return FALSE; +#endif /* SKIP_WLFC_ON_CONCURRENT */ +} +#endif /* PROP_TXSTATUS */ + +#ifdef BCMDBGFS +#include <linux/debugfs.h> + +typedef struct dhd_dbgfs { + struct dentry *debugfs_dir; + struct dentry *debugfs_mem; + dhd_pub_t *dhdp; + uint32 size; +} dhd_dbgfs_t; + +dhd_dbgfs_t g_dbgfs; + +extern uint32 dhd_readregl(void *bp, uint32 addr); +extern uint32 dhd_writeregl(void *bp, uint32 addr, uint32 data); + +static int +dhd_dbg_state_open(struct inode *inode, struct file *file) +{ + file->private_data = inode->i_private; + return 0; +} + +static ssize_t +dhd_dbg_state_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + ssize_t rval; + uint32 tmp; + loff_t pos = *ppos; + size_t ret; + + if (pos < 0) + return -EINVAL; + if (pos >= g_dbgfs.size || !count) + return 0; + if (count > g_dbgfs.size - pos) + count = g_dbgfs.size - pos; + + /* Basically enforce aligned 4 byte reads. It's up to the user to work out the details */ + tmp = dhd_readregl(g_dbgfs.dhdp->bus, file->f_pos & (~3)); + + ret = copy_to_user(ubuf, &tmp, 4); + if (ret == count) + return -EFAULT; + + count -= ret; + *ppos = pos + count; + rval = count; + + return rval; +} + + +static ssize_t +dhd_debugfs_write(struct file *file, const char __user *ubuf, size_t count, loff_t *ppos) +{ + loff_t pos = *ppos; + size_t ret; + uint32 buf; + + if (pos < 0) + return -EINVAL; + if (pos >= g_dbgfs.size || !count) + return 0; + if (count > g_dbgfs.size - pos) + count = g_dbgfs.size - pos; + + ret = copy_from_user(&buf, ubuf, sizeof(uint32)); + if (ret == count) + return -EFAULT; + + /* Basically enforce aligned 4 byte writes. It's up to the user to work out the details */ + dhd_writeregl(g_dbgfs.dhdp->bus, file->f_pos & (~3), buf); + + return count; +} + + +loff_t +dhd_debugfs_lseek(struct file *file, loff_t off, int whence) +{ + loff_t pos = -1; + + switch (whence) { + case 0: + pos = off; + break; + case 1: + pos = file->f_pos + off; + break; + case 2: + pos = g_dbgfs.size - off; + } + return (pos < 0 || pos > g_dbgfs.size) ? -EINVAL : (file->f_pos = pos); +} + +static const struct file_operations dhd_dbg_state_ops = { + .read = dhd_dbg_state_read, + .write = dhd_debugfs_write, + .open = dhd_dbg_state_open, + .llseek = dhd_debugfs_lseek +}; + +static void dhd_dbg_create(void) +{ + if (g_dbgfs.debugfs_dir) { + g_dbgfs.debugfs_mem = debugfs_create_file("mem", 0644, g_dbgfs.debugfs_dir, + NULL, &dhd_dbg_state_ops); + } +} + +void dhd_dbg_init(dhd_pub_t *dhdp) +{ + g_dbgfs.dhdp = dhdp; + g_dbgfs.size = 0x20000000; /* Allow access to various cores regs */ + + g_dbgfs.debugfs_dir = debugfs_create_dir("dhd", 0); + if (IS_ERR(g_dbgfs.debugfs_dir)) { + g_dbgfs.debugfs_dir = NULL; + return; + } + + dhd_dbg_create(); + + return; +} + +void dhd_dbg_remove(void) +{ + debugfs_remove(g_dbgfs.debugfs_mem); + debugfs_remove(g_dbgfs.debugfs_dir); + + bzero((unsigned char *) &g_dbgfs, sizeof(g_dbgfs)); +} +#endif /* BCMDBGFS */ + +#ifdef WLMEDIA_HTSF + +static +void dhd_htsf_addtxts(dhd_pub_t *dhdp, void *pktbuf) +{ + dhd_info_t *dhd = (dhd_info_t *)(dhdp->info); + struct sk_buff *skb; + uint32 htsf = 0; + uint16 dport = 0, oldmagic = 0xACAC; + char *p1; + htsfts_t ts; + + /* timestamp packet */ + + p1 = (char*) PKTDATA(dhdp->osh, pktbuf); + + if (PKTLEN(dhdp->osh, pktbuf) > HTSF_MINLEN) { +/* memcpy(&proto, p1+26, 4); */ + memcpy(&dport, p1+40, 2); +/* proto = ((ntoh32(proto))>> 16) & 0xFF; */ + dport = ntoh16(dport); + } + + /* timestamp only if icmp or udb iperf with port 5555 */ +/* if (proto == 17 && dport == tsport) { */ + if (dport >= tsport && dport <= tsport + 20) { + + skb = (struct sk_buff *) pktbuf; + + htsf = dhd_get_htsf(dhd, 0); + memset(skb->data + 44, 0, 2); /* clear checksum */ + memcpy(skb->data+82, &oldmagic, 2); + memcpy(skb->data+84, &htsf, 4); + + memset(&ts, 0, sizeof(htsfts_t)); + ts.magic = HTSFMAGIC; + ts.prio = PKTPRIO(pktbuf); + ts.seqnum = htsf_seqnum++; + ts.c10 = get_cycles(); + ts.t10 = htsf; + ts.endmagic = HTSFENDMAGIC; + + memcpy(skb->data + HTSF_HOSTOFFSET, &ts, sizeof(ts)); + } +} + +static void dhd_dump_htsfhisto(histo_t *his, char *s) +{ + int pktcnt = 0, curval = 0, i; + for (i = 0; i < (NUMBIN-2); i++) { + curval += 500; + printf("%d ", his->bin[i]); + pktcnt += his->bin[i]; + } + printf(" max: %d TotPkt: %d neg: %d [%s]\n", his->bin[NUMBIN-2], pktcnt, + his->bin[NUMBIN-1], s); +} + +static +void sorttobin(int value, histo_t *histo) +{ + int i, binval = 0; + + if (value < 0) { + histo->bin[NUMBIN-1]++; + return; + } + if (value > histo->bin[NUMBIN-2]) /* store the max value */ + histo->bin[NUMBIN-2] = value; + + for (i = 0; i < (NUMBIN-2); i++) { + binval += 500; /* 500m s bins */ + if (value <= binval) { + histo->bin[i]++; + return; + } + } + histo->bin[NUMBIN-3]++; +} + +static +void dhd_htsf_addrxts(dhd_pub_t *dhdp, void *pktbuf) +{ + dhd_info_t *dhd = (dhd_info_t *)dhdp->info; + struct sk_buff *skb; + char *p1; + uint16 old_magic; + int d1, d2, d3, end2end; + htsfts_t *htsf_ts; + uint32 htsf; + + skb = PKTTONATIVE(dhdp->osh, pktbuf); + p1 = (char*)PKTDATA(dhdp->osh, pktbuf); + + if (PKTLEN(osh, pktbuf) > HTSF_MINLEN) { + memcpy(&old_magic, p1+78, 2); + htsf_ts = (htsfts_t*) (p1 + HTSF_HOSTOFFSET - 4); + } else { + return; + } + if (htsf_ts->magic == HTSFMAGIC) { + htsf_ts->tE0 = dhd_get_htsf(dhd, 0); + htsf_ts->cE0 = get_cycles(); + } + + if (old_magic == 0xACAC) { + + tspktcnt++; + htsf = dhd_get_htsf(dhd, 0); + memcpy(skb->data+92, &htsf, sizeof(uint32)); + + memcpy(&ts[tsidx].t1, skb->data+80, 16); + + d1 = ts[tsidx].t2 - ts[tsidx].t1; + d2 = ts[tsidx].t3 - ts[tsidx].t2; + d3 = ts[tsidx].t4 - ts[tsidx].t3; + end2end = ts[tsidx].t4 - ts[tsidx].t1; + + sorttobin(d1, &vi_d1); + sorttobin(d2, &vi_d2); + sorttobin(d3, &vi_d3); + sorttobin(end2end, &vi_d4); + + if (end2end > 0 && end2end > maxdelay) { + maxdelay = end2end; + maxdelaypktno = tspktcnt; + memcpy(&maxdelayts, &ts[tsidx], 16); + } + if (++tsidx >= TSMAX) + tsidx = 0; + } +} + +uint32 dhd_get_htsf(dhd_info_t *dhd, int ifidx) +{ + uint32 htsf = 0, cur_cycle, delta, delta_us; + uint32 factor, baseval, baseval2; + cycles_t t; + + t = get_cycles(); + cur_cycle = t; + + if (cur_cycle > dhd->htsf.last_cycle) { + delta = cur_cycle - dhd->htsf.last_cycle; + } else { + delta = cur_cycle + (0xFFFFFFFF - dhd->htsf.last_cycle); + } + + delta = delta >> 4; + + if (dhd->htsf.coef) { + /* times ten to get the first digit */ + factor = (dhd->htsf.coef*10 + dhd->htsf.coefdec1); + baseval = (delta*10)/factor; + baseval2 = (delta*10)/(factor+1); + delta_us = (baseval - (((baseval - baseval2) * dhd->htsf.coefdec2)) / 10); + htsf = (delta_us << 4) + dhd->htsf.last_tsf + HTSF_BUS_DELAY; + } else { + DHD_ERROR(("-------dhd->htsf.coef = 0 -------\n")); + } + + return htsf; +} + +static void dhd_dump_latency(void) +{ + int i, max = 0; + int d1, d2, d3, d4, d5; + + printf("T1 T2 T3 T4 d1 d2 t4-t1 i \n"); + for (i = 0; i < TSMAX; i++) { + d1 = ts[i].t2 - ts[i].t1; + d2 = ts[i].t3 - ts[i].t2; + d3 = ts[i].t4 - ts[i].t3; + d4 = ts[i].t4 - ts[i].t1; + d5 = ts[max].t4-ts[max].t1; + if (d4 > d5 && d4 > 0) { + max = i; + } + printf("%08X %08X %08X %08X \t%d %d %d %d i=%d\n", + ts[i].t1, ts[i].t2, ts[i].t3, ts[i].t4, + d1, d2, d3, d4, i); + } + + printf("current idx = %d \n", tsidx); + + printf("Highest latency %d pkt no.%d total=%d\n", maxdelay, maxdelaypktno, tspktcnt); + printf("%08X %08X %08X %08X \t%d %d %d %d\n", + maxdelayts.t1, maxdelayts.t2, maxdelayts.t3, maxdelayts.t4, + maxdelayts.t2 - maxdelayts.t1, + maxdelayts.t3 - maxdelayts.t2, + maxdelayts.t4 - maxdelayts.t3, + maxdelayts.t4 - maxdelayts.t1); +} + + +static int +dhd_ioctl_htsf_get(dhd_info_t *dhd, int ifidx) +{ + wl_ioctl_t ioc; + char buf[32]; + int ret; + uint32 s1, s2; + + struct tsf { + uint32 low; + uint32 high; + } tsf_buf; + + memset(&ioc, 0, sizeof(ioc)); + memset(&tsf_buf, 0, sizeof(tsf_buf)); + + ioc.cmd = WLC_GET_VAR; + ioc.buf = buf; + ioc.len = (uint)sizeof(buf); + ioc.set = FALSE; + + strncpy(buf, "tsf", sizeof(buf) - 1); + buf[sizeof(buf) - 1] = '\0'; + s1 = dhd_get_htsf(dhd, 0); + if ((ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) { + if (ret == -EIO) { + DHD_ERROR(("%s: tsf is not supported by device\n", + dhd_ifname(&dhd->pub, ifidx))); + return -EOPNOTSUPP; + } + return ret; + } + s2 = dhd_get_htsf(dhd, 0); + + memcpy(&tsf_buf, buf, sizeof(tsf_buf)); + printf(" TSF_h=%04X lo=%08X Calc:htsf=%08X, coef=%d.%d%d delta=%d ", + tsf_buf.high, tsf_buf.low, s2, dhd->htsf.coef, dhd->htsf.coefdec1, + dhd->htsf.coefdec2, s2-tsf_buf.low); + printf("lasttsf=%08X lastcycle=%08X\n", dhd->htsf.last_tsf, dhd->htsf.last_cycle); + return 0; +} + +void htsf_update(dhd_info_t *dhd, void *data) +{ + static ulong cur_cycle = 0, prev_cycle = 0; + uint32 htsf, tsf_delta = 0; + uint32 hfactor = 0, cyc_delta, dec1 = 0, dec2, dec3, tmp; + ulong b, a; + cycles_t t; + + /* cycles_t in inlcude/mips/timex.h */ + + t = get_cycles(); + + prev_cycle = cur_cycle; + cur_cycle = t; + + if (cur_cycle > prev_cycle) + cyc_delta = cur_cycle - prev_cycle; + else { + b = cur_cycle; + a = prev_cycle; + cyc_delta = cur_cycle + (0xFFFFFFFF - prev_cycle); + } + + if (data == NULL) + printf(" tsf update ata point er is null \n"); + + memcpy(&prev_tsf, &cur_tsf, sizeof(tsf_t)); + memcpy(&cur_tsf, data, sizeof(tsf_t)); + + if (cur_tsf.low == 0) { + DHD_INFO((" ---- 0 TSF, do not update, return\n")); + return; + } + + if (cur_tsf.low > prev_tsf.low) + tsf_delta = (cur_tsf.low - prev_tsf.low); + else { + DHD_INFO((" ---- tsf low is smaller cur_tsf= %08X, prev_tsf=%08X, \n", + cur_tsf.low, prev_tsf.low)); + if (cur_tsf.high > prev_tsf.high) { + tsf_delta = cur_tsf.low + (0xFFFFFFFF - prev_tsf.low); + DHD_INFO((" ---- Wrap around tsf coutner adjusted TSF=%08X\n", tsf_delta)); + } else { + return; /* do not update */ + } + } + + if (tsf_delta) { + hfactor = cyc_delta / tsf_delta; + tmp = (cyc_delta - (hfactor * tsf_delta))*10; + dec1 = tmp/tsf_delta; + dec2 = ((tmp - dec1*tsf_delta)*10) / tsf_delta; + tmp = (tmp - (dec1*tsf_delta))*10; + dec3 = ((tmp - dec2*tsf_delta)*10) / tsf_delta; + + if (dec3 > 4) { + if (dec2 == 9) { + dec2 = 0; + if (dec1 == 9) { + dec1 = 0; + hfactor++; + } else { + dec1++; + } + } else { + dec2++; + } + } + } + + if (hfactor) { + htsf = ((cyc_delta * 10) / (hfactor*10+dec1)) + prev_tsf.low; + dhd->htsf.coef = hfactor; + dhd->htsf.last_cycle = cur_cycle; + dhd->htsf.last_tsf = cur_tsf.low; + dhd->htsf.coefdec1 = dec1; + dhd->htsf.coefdec2 = dec2; + } else { + htsf = prev_tsf.low; + } +} + +#endif /* WLMEDIA_HTSF */ + +#ifdef CUSTOM_SET_CPUCORE +void dhd_set_cpucore(dhd_pub_t *dhd, int set) +{ + int e_dpc = 0, e_rxf = 0, retry_set = 0; + + if (!(dhd->chan_isvht80)) { + DHD_ERROR(("%s: chan_status(%d) cpucore!!!\n", __FUNCTION__, dhd->chan_isvht80)); + return; + } + + if (DPC_CPUCORE) { + do { + if (set == TRUE) { + e_dpc = set_cpus_allowed_ptr(dhd->current_dpc, + cpumask_of(DPC_CPUCORE)); + } else { + e_dpc = set_cpus_allowed_ptr(dhd->current_dpc, + cpumask_of(PRIMARY_CPUCORE)); + } + if (retry_set++ > MAX_RETRY_SET_CPUCORE) { + DHD_ERROR(("%s: dpc(%d) invalid cpu!\n", __FUNCTION__, e_dpc)); + return; + } + if (e_dpc < 0) + OSL_SLEEP(1); + } while (e_dpc < 0); + } + if (RXF_CPUCORE) { + do { + if (set == TRUE) { + e_rxf = set_cpus_allowed_ptr(dhd->current_rxf, + cpumask_of(RXF_CPUCORE)); + } else { + e_rxf = set_cpus_allowed_ptr(dhd->current_rxf, + cpumask_of(PRIMARY_CPUCORE)); + } + if (retry_set++ > MAX_RETRY_SET_CPUCORE) { + DHD_ERROR(("%s: rxf(%d) invalid cpu!\n", __FUNCTION__, e_rxf)); + return; + } + if (e_rxf < 0) + OSL_SLEEP(1); + } while (e_rxf < 0); + } +#ifdef DHD_OF_SUPPORT + interrupt_set_cpucore(set); +#endif /* DHD_OF_SUPPORT */ + DHD_TRACE(("%s: set(%d) cpucore success!\n", __FUNCTION__, set)); + + return; +} +#endif /* CUSTOM_SET_CPUCORE */ + +/* Get interface specific ap_isolate configuration */ +int dhd_get_ap_isolate(dhd_pub_t *dhdp, uint32 idx) +{ + dhd_info_t *dhd = dhdp->info; + dhd_if_t *ifp; + + ASSERT(idx < DHD_MAX_IFS); + + ifp = dhd->iflist[idx]; + + return ifp->ap_isolate; +} + +/* Set interface specific ap_isolate configuration */ +int dhd_set_ap_isolate(dhd_pub_t *dhdp, uint32 idx, int val) +{ + dhd_info_t *dhd = dhdp->info; + dhd_if_t *ifp; + + ASSERT(idx < DHD_MAX_IFS); + + ifp = dhd->iflist[idx]; + + ifp->ap_isolate = val; + + return 0; +} + +int dhd_android_ap_isolate_getval(struct net_device *dev) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + int ifidx, val; + + ifidx = dhd_net2idx(dhd, dev); + val = dhd_get_ap_isolate(&dhd->pub, ifidx); + return val; +} +void dhd_android_ap_isolate_setval(struct net_device *dev, int val) +{ + dhd_info_t *dhd = DHD_DEV_INFO(dev); + int ifidx; + + ifidx = dhd_net2idx(dhd, dev); + dhd_set_ap_isolate(&dhd->pub, ifidx, val); +} +#ifdef DHD_FW_COREDUMP + + +#ifdef CUSTOMER_HW4_DEBUG +#ifdef PLATFORM_SLP +#define MEMDUMPINFO "/opt/etc/.memdump.info" +#else +#define MEMDUMPINFO "/data/.memdump.info" +#endif /* PLATFORM_SLP */ +#elif defined(CUSTOMER_HW2) +#define MEMDUMPINFO "/data/misc/wifi/.memdump.info" +#else +#define MEMDUMPINFO "/installmedia/.memdump.info" +#endif /* CUSTOMER_HW4_DEBUG */ + +void dhd_get_memdump_info(dhd_pub_t *dhd) +{ + struct file *fp = NULL; + uint32 mem_val = DUMP_MEMFILE_MAX; + int ret = 0; + char *filepath = MEMDUMPINFO; + + /* Read memdump info from the file */ + fp = filp_open(filepath, O_RDONLY, 0); + if (IS_ERR(fp)) { + DHD_ERROR(("%s: File [%s] doesn't exist\n", __FUNCTION__, filepath)); + goto done; + } else { + ret = kernel_read(fp, 0, (char *)&mem_val, 4); + if (ret < 0) { + DHD_ERROR(("%s: File read error, ret=%d\n", __FUNCTION__, ret)); + filp_close(fp, NULL); + goto done; + } + + mem_val = bcm_atoi((char *)&mem_val); + + DHD_ERROR(("%s: MEMDUMP ENABLED = %d\n", __FUNCTION__, mem_val)); + filp_close(fp, NULL); + } + +done: +#ifdef CUSTOMER_HW4_DEBUG + dhd->memdump_enabled = (mem_val < DUMP_MEMFILE_MAX) ? mem_val : DUMP_DISABLED; +#else + dhd->memdump_enabled = (mem_val < DUMP_MEMFILE_MAX) ? mem_val : DUMP_MEMFILE_BUGON; +#endif /* CUSTOMER_HW4_DEBUG */ +} + + +void dhd_schedule_memdump(dhd_pub_t *dhdp, uint8 *buf, uint32 size) +{ + dhd_dump_t *dump = NULL; + dump = (dhd_dump_t *)MALLOC(dhdp->osh, sizeof(dhd_dump_t)); + if (dump == NULL) { + DHD_ERROR(("%s: dhd dump memory allocation failed\n", __FUNCTION__)); + return; + } + dump->buf = buf; + dump->bufsize = size; + +#if defined(CONFIG_ARM64) + DHD_ERROR(("%s: buf(va)=%llx, buf(pa)=%llx, bufsize=%d\n", __FUNCTION__, + (uint64)buf, (uint64)__virt_to_phys((ulong)buf), size)); +#elif defined(__ARM_ARCH_7A__) + DHD_ERROR(("%s: buf(va)=%x, buf(pa)=%x, bufsize=%d\n", __FUNCTION__, + (uint32)buf, (uint32)__virt_to_phys((ulong)buf), size)); +#endif /* __ARM_ARCH_7A__ */ + if (dhdp->memdump_enabled == DUMP_MEMONLY) { + BUG_ON(1); + } + +#ifdef DHD_LOG_DUMP + if (dhdp->memdump_type != DUMP_TYPE_BY_SYSDUMP) { + dhd_schedule_log_dump(dhdp); + } +#endif /* DHD_LOG_DUMP */ + dhd_deferred_schedule_work(dhdp->info->dhd_deferred_wq, (void *)dump, + DHD_WQ_WORK_SOC_RAM_DUMP, dhd_mem_dump, DHD_WORK_PRIORITY_HIGH); +} +static void +dhd_mem_dump(void *handle, void *event_info, u8 event) +{ + dhd_info_t *dhd = handle; + dhd_dump_t *dump = event_info; + + if (!dhd) { + DHD_ERROR(("%s: dhd is NULL\n", __FUNCTION__)); + return; + } + + if (!dump) { + DHD_ERROR(("%s: dump is NULL\n", __FUNCTION__)); + return; + } + + if (write_to_file(&dhd->pub, dump->buf, dump->bufsize)) { + DHD_ERROR(("%s: writing SoC_RAM dump to the file failed\n", __FUNCTION__)); + dhd->pub.memdump_success = FALSE; + } + + if (dhd->pub.memdump_enabled == DUMP_MEMFILE_BUGON && +#ifdef DHD_LOG_DUMP + dhd->pub.memdump_type != DUMP_TYPE_BY_SYSDUMP && +#endif +#ifdef DHD_DEBUG_UART + dhd->pub.memdump_success == TRUE && +#endif + TRUE) { + BUG_ON(1); + } + MFREE(dhd->pub.osh, dump, sizeof(dhd_dump_t)); +} +#endif /* DHD_FW_COREDUMP */ + +#ifdef DHD_LOG_DUMP +static void +dhd_log_dump(void *handle, void *event_info, u8 event) +{ + dhd_info_t *dhd = handle; + + if (!dhd) { + DHD_ERROR(("%s: dhd is NULL\n", __FUNCTION__)); + return; + } + + if (do_dhd_log_dump(&dhd->pub)) { + DHD_ERROR(("%s: writing debug dump to the file failed\n", __FUNCTION__)); + return; + } +} + +void dhd_schedule_log_dump(dhd_pub_t *dhdp) +{ + dhd_deferred_schedule_work(dhdp->info->dhd_deferred_wq, + (void*)NULL, DHD_WQ_WORK_DHD_LOG_DUMP, + dhd_log_dump, DHD_WORK_PRIORITY_HIGH); +} + +static int +do_dhd_log_dump(dhd_pub_t *dhdp) +{ + int ret = 0; + struct file *fp = NULL; + mm_segment_t old_fs; + loff_t pos = 0; + char dump_path[128]; + char common_info[1024]; + struct timeval curtime; + uint32 file_mode; + unsigned long flags = 0; + + if (!dhdp) { + return -1; + } + + /* Building the additional information like DHD, F/W version */ + memset(common_info, 0, sizeof(common_info)); + snprintf(common_info, sizeof(common_info), + "---------- Common information ----------\n" + "DHD version: %s\n" + "F/W version: %s\n" + "----------------------------------------\n", + dhd_version, fw_version); + + /* change to KERNEL_DS address limit */ + old_fs = get_fs(); + set_fs(KERNEL_DS); + + /* Init file name */ + memset(dump_path, 0, sizeof(dump_path)); + do_gettimeofday(&curtime); + snprintf(dump_path, sizeof(dump_path), "%s_%ld.%ld", + DHD_COMMON_DUMP_PATH "debug_dump", + (unsigned long)curtime.tv_sec, (unsigned long)curtime.tv_usec); + file_mode = O_CREAT | O_WRONLY | O_SYNC; + + DHD_ERROR(("debug_dump_path = %s\n", dump_path)); + fp = filp_open(dump_path, file_mode, 0644); + if (IS_ERR(fp)) { + ret = PTR_ERR(fp); + DHD_ERROR(("open file error, err = %d\n", ret)); + ret = -1; + goto exit; + } + + fp->f_op->write(fp, common_info, strlen(common_info), &pos); + if (dhdp->dld_buf.wraparound) { + fp->f_op->write(fp, dhdp->dld_buf.buffer, DHD_LOG_DUMP_BUFFER_SIZE, &pos); + } else { + fp->f_op->write(fp, dhdp->dld_buf.buffer, + (int)(dhdp->dld_buf.present - dhdp->dld_buf.front), &pos); + } + + /* re-init dhd_log_dump_buf structure */ + spin_lock_irqsave(&dhdp->dld_buf.lock, flags); + dhdp->dld_buf.wraparound = 0; + dhdp->dld_buf.present = dhdp->dld_buf.front; + dhdp->dld_buf.remain = DHD_LOG_DUMP_BUFFER_SIZE; + bzero(dhdp->dld_buf.buffer, DHD_LOG_DUMP_BUFFER_SIZE); + spin_unlock_irqrestore(&dhdp->dld_buf.lock, flags); +exit: + if (!ret) { + filp_close(fp, NULL); + } + set_fs(old_fs); + + return ret; +} +#endif /* DHD_LOG_DUMP */ + +#ifdef BCMASSERT_LOG +#ifdef CUSTOMER_HW4_DEBUG +#ifdef PLATFORM_SLP +#define ASSERTINFO "/opt/etc/.assert.info" +#else +#define ASSERTINFO "/data/.assert.info" +#endif /* PLATFORM_SLP */ +#elif defined(CUSTOMER_HW2) +#define ASSERTINFO "/data/misc/wifi/.assert.info" +#else +#define ASSERTINFO "/installmedia/.assert.info" +#endif /* CUSTOMER_HW4_DEBUG */ +void dhd_get_assert_info(dhd_pub_t *dhd) +{ + struct file *fp = NULL; + char *filepath = ASSERTINFO; + + /* + * Read assert info from the file + * 0: Trigger Kernel crash by panic() + * 1: Print out the logs and don't trigger Kernel panic. (default) + * 2: Trigger Kernel crash by BUG() + * File doesn't exist: Keep default value (1). + */ + fp = filp_open(filepath, O_RDONLY, 0); + if (IS_ERR(fp)) { + DHD_ERROR(("%s: File [%s] doesn't exist\n", __FUNCTION__, filepath)); + } else { + int mem_val = 0; + int ret = kernel_read(fp, 0, (char *)&mem_val, 4); + if (ret < 0) { + DHD_ERROR(("%s: File read error, ret=%d\n", __FUNCTION__, ret)); + } else { + mem_val = bcm_atoi((char *)&mem_val); + DHD_ERROR(("%s: ASSERT ENABLED = %d\n", __FUNCTION__, mem_val)); + g_assert_type = mem_val; + } + filp_close(fp, NULL); + } +} +#endif /* BCMASSERT_LOG */ + + +#ifdef DHD_WMF +/* Returns interface specific WMF configuration */ +dhd_wmf_t* dhd_wmf_conf(dhd_pub_t *dhdp, uint32 idx) +{ + dhd_info_t *dhd = dhdp->info; + dhd_if_t *ifp; + + ASSERT(idx < DHD_MAX_IFS); + + ifp = dhd->iflist[idx]; + return &ifp->wmf; +} +#endif /* DHD_WMF */ + + +#if defined(DHD_L2_FILTER) +bool dhd_sta_associated(dhd_pub_t *dhdp, uint32 bssidx, uint8 *mac) +{ + return dhd_find_sta(dhdp, bssidx, mac) ? TRUE : FALSE; +} +#endif + +#ifdef DHD_L2_FILTER +arp_table_t* +dhd_get_ifp_arp_table_handle(dhd_pub_t *dhdp, uint32 bssidx) +{ + dhd_info_t *dhd = dhdp->info; + dhd_if_t *ifp; + + ASSERT(bssidx < DHD_MAX_IFS); + + ifp = dhd->iflist[bssidx]; + return ifp->phnd_arp_table; +} + +int dhd_get_parp_status(dhd_pub_t *dhdp, uint32 idx) +{ + dhd_info_t *dhd = dhdp->info; + dhd_if_t *ifp; + + ASSERT(idx < DHD_MAX_IFS); + + ifp = dhd->iflist[idx]; + + if (ifp) + return ifp->parp_enable; + else + return FALSE; +} + +/* Set interface specific proxy arp configuration */ +int dhd_set_parp_status(dhd_pub_t *dhdp, uint32 idx, int val) +{ + dhd_info_t *dhd = dhdp->info; + dhd_if_t *ifp; + ASSERT(idx < DHD_MAX_IFS); + ifp = dhd->iflist[idx]; + + if (!ifp) + return BCME_ERROR; + + /* At present all 3 variables are being + * handled at once + */ + ifp->parp_enable = val; + ifp->parp_discard = val; + ifp->parp_allnode = !val; + + /* Flush ARP entries when disabled */ + if (val == FALSE) { + bcm_l2_filter_arp_table_update(dhdp->osh, ifp->phnd_arp_table, TRUE, NULL, + FALSE, dhdp->tickcnt); + } + return BCME_OK; +} + +bool dhd_parp_discard_is_enabled(dhd_pub_t *dhdp, uint32 idx) +{ + dhd_info_t *dhd = dhdp->info; + dhd_if_t *ifp; + + ASSERT(idx < DHD_MAX_IFS); + + ifp = dhd->iflist[idx]; + + ASSERT(ifp); + return ifp->parp_discard; +} + +bool +dhd_parp_allnode_is_enabled(dhd_pub_t *dhdp, uint32 idx) +{ + dhd_info_t *dhd = dhdp->info; + dhd_if_t *ifp; + + ASSERT(idx < DHD_MAX_IFS); + + ifp = dhd->iflist[idx]; + + ASSERT(ifp); + + return ifp->parp_allnode; +} + +int dhd_get_dhcp_unicast_status(dhd_pub_t *dhdp, uint32 idx) +{ + dhd_info_t *dhd = dhdp->info; + dhd_if_t *ifp; + + ASSERT(idx < DHD_MAX_IFS); + + ifp = dhd->iflist[idx]; + + ASSERT(ifp); + + return ifp->dhcp_unicast; +} + +int dhd_set_dhcp_unicast_status(dhd_pub_t *dhdp, uint32 idx, int val) +{ + dhd_info_t *dhd = dhdp->info; + dhd_if_t *ifp; + ASSERT(idx < DHD_MAX_IFS); + ifp = dhd->iflist[idx]; + + ASSERT(ifp); + + ifp->dhcp_unicast = val; + return BCME_OK; +} + +int dhd_get_block_ping_status(dhd_pub_t *dhdp, uint32 idx) +{ + dhd_info_t *dhd = dhdp->info; + dhd_if_t *ifp; + + ASSERT(idx < DHD_MAX_IFS); + + ifp = dhd->iflist[idx]; + + ASSERT(ifp); + + return ifp->block_ping; +} + +int dhd_set_block_ping_status(dhd_pub_t *dhdp, uint32 idx, int val) +{ + dhd_info_t *dhd = dhdp->info; + dhd_if_t *ifp; + ASSERT(idx < DHD_MAX_IFS); + ifp = dhd->iflist[idx]; + + ASSERT(ifp); + + ifp->block_ping = val; + + return BCME_OK; +} + +int dhd_get_grat_arp_status(dhd_pub_t *dhdp, uint32 idx) +{ + dhd_info_t *dhd = dhdp->info; + dhd_if_t *ifp; + + ASSERT(idx < DHD_MAX_IFS); + + ifp = dhd->iflist[idx]; + + ASSERT(ifp); + + return ifp->grat_arp; +} + +int dhd_set_grat_arp_status(dhd_pub_t *dhdp, uint32 idx, int val) +{ + dhd_info_t *dhd = dhdp->info; + dhd_if_t *ifp; + ASSERT(idx < DHD_MAX_IFS); + ifp = dhd->iflist[idx]; + + ASSERT(ifp); + + ifp->grat_arp = val; + + return BCME_OK; +} +#endif /* DHD_L2_FILTER */ + + +#if defined(SET_RPS_CPUS) +int dhd_rps_cpus_enable(struct net_device *net, int enable) +{ + dhd_info_t *dhd = DHD_DEV_INFO(net); + dhd_if_t *ifp; + int ifidx; + char * RPS_CPU_SETBUF; + + ifidx = dhd_net2idx(dhd, net); + if (ifidx == DHD_BAD_IF) { + DHD_ERROR(("%s bad ifidx\n", __FUNCTION__)); + return -ENODEV; + } + + if (ifidx == PRIMARY_INF) { + if (dhd->pub.op_mode == DHD_FLAG_IBSS_MODE) { + DHD_INFO(("%s : set for IBSS.\n", __FUNCTION__)); + RPS_CPU_SETBUF = RPS_CPUS_MASK_IBSS; + } else { + DHD_INFO(("%s : set for BSS.\n", __FUNCTION__)); + RPS_CPU_SETBUF = RPS_CPUS_MASK; + } + } else if (ifidx == VIRTUAL_INF) { + DHD_INFO(("%s : set for P2P.\n", __FUNCTION__)); + RPS_CPU_SETBUF = RPS_CPUS_MASK_P2P; + } else { + DHD_ERROR(("%s : Invalid index : %d.\n", __FUNCTION__, ifidx)); + return -EINVAL; + } + + ifp = dhd->iflist[ifidx]; + if (ifp) { + if (enable) { + DHD_INFO(("%s : set rps_cpus as [%s]\n", __FUNCTION__, RPS_CPU_SETBUF)); + custom_rps_map_set(ifp->net->_rx, RPS_CPU_SETBUF, strlen(RPS_CPU_SETBUF)); + } else { + custom_rps_map_clear(ifp->net->_rx); + } + } else { + DHD_ERROR(("%s : ifp is NULL!!\n", __FUNCTION__)); + return -ENODEV; + } + return BCME_OK; +} + +int custom_rps_map_set(struct netdev_rx_queue *queue, char *buf, size_t len) +{ + struct rps_map *old_map, *map; + cpumask_var_t mask; + int err, cpu, i; + static DEFINE_SPINLOCK(rps_map_lock); + + DHD_INFO(("%s : Entered.\n", __FUNCTION__)); + + if (!alloc_cpumask_var(&mask, GFP_KERNEL)) { + DHD_ERROR(("%s : alloc_cpumask_var fail.\n", __FUNCTION__)); + return -ENOMEM; + } + + err = bitmap_parse(buf, len, cpumask_bits(mask), nr_cpumask_bits); + if (err) { + free_cpumask_var(mask); + DHD_ERROR(("%s : bitmap_parse fail.\n", __FUNCTION__)); + return err; + } + + map = kzalloc(max_t(unsigned int, + RPS_MAP_SIZE(cpumask_weight(mask)), L1_CACHE_BYTES), + GFP_KERNEL); + if (!map) { + free_cpumask_var(mask); + DHD_ERROR(("%s : map malloc fail.\n", __FUNCTION__)); + return -ENOMEM; + } + + i = 0; + for_each_cpu(cpu, mask) { + map->cpus[i++] = cpu; + } + + if (i) { + map->len = i; + } else { + kfree(map); + map = NULL; + free_cpumask_var(mask); + DHD_ERROR(("%s : mapping cpu fail.\n", __FUNCTION__)); + return -1; + } + + spin_lock(&rps_map_lock); + old_map = rcu_dereference_protected(queue->rps_map, + lockdep_is_held(&rps_map_lock)); + rcu_assign_pointer(queue->rps_map, map); + spin_unlock(&rps_map_lock); + + if (map) { + static_key_slow_inc(&rps_needed); + } + if (old_map) { + kfree_rcu(old_map, rcu); + static_key_slow_dec(&rps_needed); + } + free_cpumask_var(mask); + + DHD_INFO(("%s : Done. mapping cpu nummber : %d\n", __FUNCTION__, map->len)); + return map->len; +} + +void custom_rps_map_clear(struct netdev_rx_queue *queue) +{ + struct rps_map *map; + + DHD_INFO(("%s : Entered.\n", __FUNCTION__)); + + map = rcu_dereference_protected(queue->rps_map, 1); + if (map) { + RCU_INIT_POINTER(queue->rps_map, NULL); + kfree_rcu(map, rcu); + DHD_INFO(("%s : rps_cpus map clear.\n", __FUNCTION__)); + } +} +#endif + + + +#ifdef DHD_DEBUG_PAGEALLOC + +void +dhd_page_corrupt_cb(void *handle, void *addr_corrupt, size_t len) +{ + dhd_pub_t *dhdp = (dhd_pub_t *)handle; + + DHD_ERROR(("%s: Got dhd_page_corrupt_cb 0x%p %d\n", + __FUNCTION__, addr_corrupt, (uint32)len)); + + DHD_OS_WAKE_LOCK(dhdp); + prhex("Page Corruption:", addr_corrupt, len); + dhd_dump_to_kernelog(dhdp); +#if defined(BCMPCIE) && defined(DHD_FW_COREDUMP) + /* Load the dongle side dump to host memory and then BUG_ON() */ + dhdp->memdump_enabled = DUMP_MEMONLY; + dhdp->memdump_type = DUMP_TYPE_MEMORY_CORRUPTION; + dhd_bus_mem_dump(dhdp); +#endif /* BCMPCIE && DHD_FW_COREDUMP */ + DHD_OS_WAKE_UNLOCK(dhdp); +} +EXPORT_SYMBOL(dhd_page_corrupt_cb); +#endif /* DHD_DEBUG_PAGEALLOC */ + +#ifdef DHD_PKTID_AUDIT_ENABLED +void +dhd_pktid_audit_fail_cb(dhd_pub_t *dhdp) +{ + DHD_ERROR(("%s: Got Pkt Id Audit failure \n", __FUNCTION__)); + DHD_OS_WAKE_LOCK(dhdp); + dhd_dump_to_kernelog(dhdp); +#if defined(BCMPCIE) && defined(DHD_FW_COREDUMP) + /* Load the dongle side dump to host memory and then BUG_ON() */ + dhdp->memdump_enabled = DUMP_MEMFILE_BUGON; + dhdp->memdump_type = DUMP_TYPE_PKTID_AUDIT_FAILURE; + dhd_bus_mem_dump(dhdp); +#endif /* BCMPCIE && DHD_FW_COREDUMP */ + DHD_OS_WAKE_UNLOCK(dhdp); +} +#endif /* DHD_PKTID_AUDIT_ENABLED */ + +/* ---------------------------------------------------------------------------- + * Infrastructure code for sysfs interface support for DHD + * + * What is sysfs interface? + * https://www.kernel.org/doc/Documentation/filesystems/sysfs.txt + * + * Why sysfs interface? + * This is the Linux standard way of changing/configuring Run Time parameters + * for a driver. We can use this interface to control "linux" specific driver + * parameters. + * + * ----------------------------------------------------------------------------- + */ + +#include <linux/sysfs.h> +#include <linux/kobject.h> + +#if defined(DHD_TRACE_WAKE_LOCK) + +/* Function to show the history buffer */ +static ssize_t +show_wklock_trace(struct dhd_info *dev, char *buf) +{ + ssize_t ret = 0; + dhd_info_t *dhd = (dhd_info_t *)dev; + + buf[ret] = '\n'; + buf[ret+1] = 0; + + dhd_wk_lock_stats_dump(&dhd->pub); + return ret+1; +} + +/* Function to enable/disable wakelock trace */ +static ssize_t +wklock_trace_onoff(struct dhd_info *dev, const char *buf, size_t count) +{ + unsigned long onoff; + unsigned long flags; + dhd_info_t *dhd = (dhd_info_t *)dev; + + onoff = bcm_strtoul(buf, NULL, 10); + if (onoff != 0 && onoff != 1) { + return -EINVAL; + } + + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + trace_wklock_onoff = onoff; + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + if (trace_wklock_onoff) { + printk("ENABLE WAKLOCK TRACE\n"); + } else { + printk("DISABLE WAKELOCK TRACE\n"); + } + + return (ssize_t)(onoff+1); +} +#endif /* DHD_TRACE_WAKE_LOCK */ + +/* + * Generic Attribute Structure for DHD. + * If we have to add a new sysfs entry under /sys/bcm-dhd/, we have + * to instantiate an object of type dhd_attr, populate it with + * the required show/store functions (ex:- dhd_attr_cpumask_primary) + * and add the object to default_attrs[] array, that gets registered + * to the kobject of dhd (named bcm-dhd). + */ + +struct dhd_attr { + struct attribute attr; + ssize_t(*show)(struct dhd_info *, char *); + ssize_t(*store)(struct dhd_info *, const char *, size_t count); +}; + +#if defined(DHD_TRACE_WAKE_LOCK) +static struct dhd_attr dhd_attr_wklock = + __ATTR(wklock_trace, 0660, show_wklock_trace, wklock_trace_onoff); +#endif /* defined(DHD_TRACE_WAKE_LOCK */ + +/* Attribute object that gets registered with "bcm-dhd" kobject tree */ +static struct attribute *default_attrs[] = { +#if defined(DHD_TRACE_WAKE_LOCK) + &dhd_attr_wklock.attr, +#endif + NULL +}; + +#define to_dhd(k) container_of(k, struct dhd_info, dhd_kobj) +#define to_attr(a) container_of(a, struct dhd_attr, attr) + +/* + * bcm-dhd kobject show function, the "attr" attribute specifices to which + * node under "bcm-dhd" the show function is called. + */ +static ssize_t dhd_show(struct kobject *kobj, struct attribute *attr, char *buf) +{ + dhd_info_t *dhd = to_dhd(kobj); + struct dhd_attr *d_attr = to_attr(attr); + int ret; + + if (d_attr->show) + ret = d_attr->show(dhd, buf); + else + ret = -EIO; + + return ret; +} + + +/* + * bcm-dhd kobject show function, the "attr" attribute specifices to which + * node under "bcm-dhd" the store function is called. + */ +static ssize_t dhd_store(struct kobject *kobj, struct attribute *attr, + const char *buf, size_t count) +{ + dhd_info_t *dhd = to_dhd(kobj); + struct dhd_attr *d_attr = to_attr(attr); + int ret; + + if (d_attr->store) + ret = d_attr->store(dhd, buf, count); + else + ret = -EIO; + + return ret; + +} + +static struct sysfs_ops dhd_sysfs_ops = { + .show = dhd_show, + .store = dhd_store, +}; + +static struct kobj_type dhd_ktype = { + .sysfs_ops = &dhd_sysfs_ops, + .default_attrs = default_attrs, +}; + +/* Create a kobject and attach to sysfs interface */ +static int dhd_sysfs_init(dhd_info_t *dhd) +{ + int ret = -1; + + if (dhd == NULL) { + DHD_ERROR(("%s(): dhd is NULL \r\n", __FUNCTION__)); + return ret; + } + + /* Initialize the kobject */ + ret = kobject_init_and_add(&dhd->dhd_kobj, &dhd_ktype, NULL, "bcm-dhd"); + if (ret) { + kobject_put(&dhd->dhd_kobj); + DHD_ERROR(("%s(): Unable to allocate kobject \r\n", __FUNCTION__)); + return ret; + } + + /* + * We are always responsible for sending the uevent that the kobject + * was added to the system. + */ + kobject_uevent(&dhd->dhd_kobj, KOBJ_ADD); + + return ret; +} + +/* Done with the kobject and detach the sysfs interface */ +static void dhd_sysfs_exit(dhd_info_t *dhd) +{ + if (dhd == NULL) { + DHD_ERROR(("%s(): dhd is NULL \r\n", __FUNCTION__)); + return; + } + + /* Releae the kobject */ + kobject_put(&dhd->dhd_kobj); +} +/* ---------------------------- End of sysfs implementation ------------------------------------- */ + +#ifdef DHD_LOG_DUMP +void +dhd_log_dump_init(dhd_pub_t *dhd) +{ + spin_lock_init(&dhd->dld_buf.lock); +#if defined(CONFIG_DHD_USE_STATIC_BUF) && defined(DHD_USE_STATIC_MEMDUMP) + dhd->dld_buf.buffer = DHD_OS_PREALLOC(dhd, + DHD_PREALLOC_DHD_LOG_DUMP_BUF, DHD_LOG_DUMP_BUFFER_SIZE); +#else + dhd->dld_buf.buffer = kmalloc(DHD_LOG_DUMP_BUFFER_SIZE, GFP_KERNEL); +#endif /* CONFIG_DHD_USE_STATIC_BUF && DHD_USE_STATIC_MEMDUMP */ + + if (!dhd->dld_buf.buffer) { + dhd->dld_buf.buffer = kmalloc(DHD_LOG_DUMP_BUFFER_SIZE, GFP_KERNEL); + DHD_ERROR(("Try to allocate memory using kmalloc().\n")); + + if (!dhd->dld_buf.buffer) { + DHD_ERROR(("Failed to allocate memory for dld_buf.\n")); + return; + } + } + + dhd->dld_buf.wraparound = 0; + dhd->dld_buf.max = (unsigned long)dhd->dld_buf.buffer + DHD_LOG_DUMP_BUFFER_SIZE; + dhd->dld_buf.present = dhd->dld_buf.buffer; + dhd->dld_buf.front = dhd->dld_buf.buffer; + dhd->dld_buf.remain = DHD_LOG_DUMP_BUFFER_SIZE; + dhd->dld_enable = 1; +} + +void +dhd_log_dump_deinit(dhd_pub_t *dhd) +{ + dhd->dld_enable = 0; +#if defined(CONFIG_DHD_USE_STATIC_BUF) && defined(DHD_USE_STATIC_MEMDUMP) + DHD_OS_PREFREE(dhd, + dhd->dld_buf.buffer, DHD_LOG_DUMP_BUFFER_SIZE); +#else + kfree(dhd->dld_buf.buffer); +#endif /* CONFIG_DHD_USE_STATIC_BUF && DHD_USE_STATIC_MEMDUMP */ +} + +void +dhd_log_dump_print(const char *fmt, ...) +{ + int len = 0; + char tmp_buf[DHD_LOG_DUMP_MAX_TEMP_BUFFER_SIZE] = {0, }; + va_list args; + dhd_pub_t *dhd = NULL; + unsigned long flags = 0; + + if (wl_get_bcm_cfg80211_ptr()) { + dhd = (dhd_pub_t*)(wl_get_bcm_cfg80211_ptr()->pub); + } + + if (!dhd || dhd->dld_enable != 1) { + return; + } + + va_start(args, fmt); + + len = vsnprintf(tmp_buf, DHD_LOG_DUMP_MAX_TEMP_BUFFER_SIZE, fmt, args); + if (len < 0) { + return; + } + + /* make a critical section to eliminate race conditions */ + spin_lock_irqsave(&dhd->dld_buf.lock, flags); + if (dhd->dld_buf.remain < len) { + dhd->dld_buf.wraparound = 1; + dhd->dld_buf.present = dhd->dld_buf.front; + dhd->dld_buf.remain = DHD_LOG_DUMP_BUFFER_SIZE; + } + + strncpy(dhd->dld_buf.present, tmp_buf, len); + dhd->dld_buf.remain -= len; + dhd->dld_buf.present += len; + spin_unlock_irqrestore(&dhd->dld_buf.lock, flags); + + /* double check invalid memory operation */ + ASSERT((unsigned long)dhd->dld_buf.present <= dhd->dld_buf.max); + va_end(args); +} + +char* +dhd_log_dump_get_timestamp(void) +{ + static char buf[16]; + u64 ts_nsec; + unsigned long rem_nsec; + + ts_nsec = local_clock(); + rem_nsec = do_div(ts_nsec, 1000000000); + snprintf(buf, sizeof(buf), "%5lu.%06lu", + (unsigned long)ts_nsec, rem_nsec / 1000); + + return buf; +} + +#endif /* DHD_LOG_DUMP */ + +#ifdef DHD_DEBUG_UART +static void +dhd_debug_uart_exec(char *cmd) +{ + int ret; + + char *argv[] = {DHD_DEBUG_UART_EXEC_PATH, cmd, NULL}; + char *envp[] = {"HOME=/", "TERM=linux", "PATH=/sbin:/system/bin", NULL}; + + ret = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_PROC); + + DHD_ERROR(("DHD: %s - run %s %s ret = %d\n", + __FUNCTION__, DHD_DEBUG_UART_EXEC_PATH, cmd, ret)); +} +#endif + +int +dhd_write_file(const char *filepath, char *buf, int buf_len) +{ + struct file *fp = NULL; + mm_segment_t old_fs; + int ret = 0; + + /* change to KERNEL_DS address limit */ + old_fs = get_fs(); + set_fs(KERNEL_DS); + + /* File is always created. */ + fp = filp_open(filepath, O_RDWR | O_CREAT, 0666); + if (IS_ERR(fp)) { + DHD_ERROR(("%s: Couldn't open file '%s'\n", + __FUNCTION__, filepath)); + return BCME_ERROR; + } else { + if (fp->f_mode & FMODE_WRITE) { + ret = fp->f_op->write(fp, buf, buf_len, &fp->f_pos); + if (ret < 0) { + DHD_ERROR(("%s: Couldn't write file '%s'\n", + __FUNCTION__, filepath)); + ret = BCME_ERROR; + } + } + } + filp_close(fp, NULL); + + /* restore previous address limit */ + set_fs(old_fs); + + return ret; +} + +int +dhd_read_file(const char *filepath, char *buf, int buf_len) +{ + struct file *fp = NULL; + mm_segment_t old_fs; + int ret; + + /* change to KERNEL_DS address limit */ + old_fs = get_fs(); + set_fs(KERNEL_DS); + + fp = filp_open(filepath, O_RDONLY, 0); + if (IS_ERR(fp)) { + DHD_ERROR(("%s: File %s doesn't exist\n", __FUNCTION__, filepath)); + return BCME_ERROR; + } + + ret = kernel_read(fp, 0, buf, buf_len); + filp_close(fp, NULL); + + /* restore previous address limit */ + set_fs(old_fs); + + /* Return the number of bytes read */ + if (ret > 0) { + /* Success to read */ + ret = 0; + } else { + DHD_ERROR(("%s: Couldn't read the file %s, ret=%d\n", + __FUNCTION__, filepath, ret)); + ret = BCME_ERROR; + } + + return ret; +} + +int +dhd_write_file_and_check(const char *filepath, char *buf, int buf_len) +{ + int ret; + + ret = dhd_write_file(filepath, buf, buf_len); + if (ret < 0) { + return ret; + } + + /* Read the file again and check if the file size is not zero */ + memset(buf, 0, buf_len); + ret = dhd_read_file(filepath, buf, buf_len); + + return ret; +} + +#ifdef DHD_BANDSTEER +/* + * Function return true only if there exactly two GO interfaces + * TODO: Make it flexible to have AP + AP + */ +s32 +dhd_bandsteer_get_ifaces(void *pub, void *ifaces) +{ + dhd_if_t *iflist; /* For supporting multiple interfaces */ + uint8 idx; + uint8 ap_idx_count = 0; + dhd_pub_t *dhd = (dhd_pub_t *) pub; + dhd_bandsteer_iface_info_t *bsd_ifp = (dhd_bandsteer_iface_info_t *)ifaces; + + DHD_INFO(("%s: entered\n", __FUNCTION__)); + for (idx = 0; idx < DHD_MAX_IFS; idx++) { + iflist = dhd->info->iflist[idx]; + if (iflist == NULL) { + continue; + } + + if (iflist->net != NULL) { + if (iflist->net->ieee80211_ptr != NULL) { + if (iflist->net->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) { + ap_idx_count++; + if (ap_idx_count > 2) { + continue; + } + bsd_ifp->ndev = iflist->net; + bsd_ifp->bssidx = iflist->bssidx; + bsd_ifp++; + } + } + } + } + if (ap_idx_count == 2) { + return BCME_OK; + } else { + return BCME_ERROR; + } +} + +void +dhd_bandsteer_schedule_work_on_timeout(dhd_bandsteer_mac_entry_t *dhd_bandsteer_mac) +{ + dhd_bandsteer_context_t *dhd_bandsteer_cntx = dhd_bandsteer_mac->dhd_bandsteer_cntx; + dhd_pub_t *dhd = (dhd_pub_t *) dhd_bandsteer_cntx->dhd_pub; + + dhd_deferred_schedule_work(dhd->info->dhd_deferred_wq, + (void *)dhd_bandsteer_mac, DHD_WQ_WORK_BANDSTEER_STEP_MOVE, + dhd_bandsteer_workqueue_wrapper, DHD_WORK_PRIORITY_LOW); +} +#endif /* DHD_BANDSTEER */ + +#ifdef BCM_AUTO_FWCRC +/* + * extracts CRC field from the firmware binary + */ +int dhd_extract_crc(char *filename) +{ + struct file *fp = NULL; + char crcchk[9] = {0}; + int crc = 0; + int ret = 0; + + fp = filp_open(filename, O_RDONLY, 0); + if (IS_ERR(fp)) { + DHD_ERROR(("%s: File %s doesn't exist\n", __FUNCTION__, filename)); + return BCME_ERROR; + } + + ret = generic_file_llseek(fp, -(8), SEEK_END); + if ((ret < 0) || (ret < 8)) { + DHD_ERROR(("%s: file seek failed:%d\n", __FUNCTION__, ret)); + crc = ret; + goto err; + } + + ret = kernel_read(fp, ret, crcchk, 8); + if (ret < 0) { + DHD_ERROR(("read failed\n")); + crc = ret; + goto err; + } + + if (!bcm_atoicrc(crcchk, &crc)) { + DHD_INFO(("%s crc:%x\n", __FUNCTION__, crc)); + } else { + DHD_ERROR(("%s crc_int failed\n", __FUNCTION__)); + crc = BCME_ERROR; + goto err; + } + + if (!crc || crc == CRC32_INIT_VALUE) { + DHD_ERROR(("%s invalid crc\n", __FUNCTION__)); + crc = BCME_ERROR; + } + +err: if (fp) + filp_close(fp, NULL); + + return crc; +} +#define IS_SIZE_VALID(size) (size >= MEMBLOCK ? TRUE:FALSE) + +/* + * validates firmware image crc + */ +int dhd_check_firmware_image(char *memptr, char *filename) +{ + char *imgbuf = NULL; + int crcval = CRC32_INIT_VALUE; + int len = 0; + int totlen = 0; + int size = 0; + int crcchk; + int ret = 0; + + if (filename == NULL) + return BCME_ERROR; + + size = dhd_os_file_size(filename); + if (!IS_SIZE_VALID(size)) { + DHD_ERROR(("Invalid file size %s\n", __FUNCTION__)); + return BCME_ERROR; + } + + crcchk = dhd_extract_crc(filename); + if (crcchk == BCME_ERROR) { + ret = BCME_ERROR; + goto err; + } + DHD_INFO(("crcval:%x\n", crcchk)); + + if (!memptr) { + DHD_ERROR(("%s memory alloc failed\n", __FUNCTION__)); + ret = BCME_ERROR; + goto err; + } + + imgbuf = dhd_os_open_image(filename); + if (imgbuf == NULL) { + DHD_ERROR(("%s file is not proper\n", __FUNCTION__)); + ret = BCME_ERROR; + goto err; + } + + while ((len = dhd_os_get_image_block((char*)memptr, MEMBLOCK, imgbuf))) { + if (len < 0) { + DHD_ERROR(("%s: dhd_os_get_image_block failed (%d)\n", __FUNCTION__, len)); + break; + } + wipedates(memptr, MEMBLOCK); + totlen += len; + if (size == totlen) { + len -= 20; + totlen -= 20; + } + crcval = hndcrc32(memptr, len, crcval); + } + + DHD_INFO(("%s crcval:%X totlen:%d\n", __FUNCTION__, crcval, totlen)); + + if (crcchk == crcval) { + DHD_INFO(("%scrc match\n", __FUNCTION__)); + ret = 0; + } else { + DHD_ERROR(("%scrc match failure crcchk:%x crcval:%x\n", + __FUNCTION__, crcchk, crcval)); + ret = BCME_ERROR; + } + +err: if (imgbuf) + dhd_os_close_image(imgbuf); + + return ret; +} +#endif /* BCM_AUTO_FWCRC */ |