diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/include/bcmmsgbuf.h')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/include/bcmmsgbuf.h | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/include/bcmmsgbuf.h b/drivers/net/wireless/bcmdhd/include/bcmmsgbuf.h new file mode 100644 index 000000000000..23ef576ba66f --- /dev/null +++ b/drivers/net/wireless/bcmdhd/include/bcmmsgbuf.h @@ -0,0 +1,261 @@ +/* + * MSGBUF network driver ioctl/indication encoding + * Broadcom 802.11abg Networking Device Driver + * + * Definitions subject to change without notice. + * + * Copyright (C) 1999-2016, 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. + * + * $Id: bcmmsgbuf.h 452261 2014-01-29 19:30:23Z $ + */ +#ifndef _bcmmsgbuf_h_ +#define _bcmmsgbuf_h_ +#include <proto/ethernet.h> +#include <wlioctl.h> +#include <bcmpcie.h> +#define MSGBUF_MAX_MSG_SIZE ETHER_MAX_LEN +#define DNGL_TO_HOST_MSGBUF_SZ (8 * 1024) /* Host side ring */ +#define HOST_TO_DNGL_MSGBUF_SZ (8 * 1024) /* Host side ring */ +#define DTOH_LOCAL_MSGBUF_SZ (8 * 1024) /* dongle side ring */ +#define HTOD_LOCAL_MSGBUF_SZ (8 * 1024) /* dongle side ring */ +#define HTOD_LOCAL_CTRLRING_SZ (1 * 1024) /* H2D control ring dongle side */ +#define DTOH_LOCAL_CTRLRING_SZ (1 * 1024) /* D2H control ring dongle side */ +#define HOST_TO_DNGL_CTRLRING_SZ (1 * 1024) /* Host to Device ctrl ring on host */ +#define DNGL_TO_HOST_CTRLRING_SZ (1 * 1024) /* Device to host ctrl ring on host */ + +enum { + DNGL_TO_HOST_MSGBUF, + HOST_TO_DNGL_MSGBUF +}; + +enum { + MSG_TYPE_IOCTL_REQ = 0x1, + MSG_TYPE_IOCTLPTR_REQ, + MSG_TYPE_IOCTL_CMPLT, + MSG_TYPE_WL_EVENT, + MSG_TYPE_TX_POST, + MSG_TYPE_RXBUF_POST, + MSG_TYPE_RX_CMPLT, + MSG_TYPE_TX_STATUS, + MSG_TYPE_EVENT_PYLD, + MSG_TYPE_IOCT_PYLD, /* used only internally inside dongle */ + MSG_TYPE_RX_PYLD, /* used only internally inside dongle */ + MSG_TYPE_TX_PYLD, /* To be removed once split header is implemented */ + MSG_TYPE_HOST_EVNT, + MSG_TYPE_LOOPBACK = 15, /* dongle loops the message back to host */ + MSG_TYPE_LPBK_DMAXFER = 16, /* dongle DMA loopback */ + MSG_TYPE_TX_BATCH_POST = 17 +}; + +enum { + HOST_TO_DNGL_DATA, + HOST_TO_DNGL_CTRL, + DNGL_TO_HOST_DATA, + DNGL_TO_HOST_CTRL +}; + +#define MESSAGE_PAYLOAD(a) (((a) == MSG_TYPE_IOCT_PYLD) | ((a) == MSG_TYPE_RX_PYLD) |\ + ((a) == MSG_TYPE_EVENT_PYLD) | ((a) == MSG_TYPE_TX_PYLD)) +#define MESSAGE_CTRLPATH(a) (((a) == MSG_TYPE_IOCTL_REQ) | ((a) == MSG_TYPE_IOCTLPTR_REQ) |\ + ((a) == MSG_TYPE_IOCTL_CMPLT) | ((a) == MSG_TYPE_HOST_EVNT) |\ + ((a) == MSG_TYPE_LOOPBACK) | ((a) == MSG_TYPE_WL_EVENT)) + +/* IOCTL req Hdr */ +/* cmn Msg Hdr */ +typedef struct cmn_msg_hdr { + uint16 msglen; + uint8 msgtype; + uint8 ifidx; + union seqn { + uint32 seq_id; + struct sequence { + uint16 seq_no; + uint8 ring_id; + uint8 rsvd; + } seq; + } u; +} cmn_msg_hdr_t; + +typedef struct ioctl_req_hdr { + uint32 pkt_id; /* Packet ID */ + uint32 cmd; /* IOCTL ID */ + uint16 retbuf_len; + uint16 buflen; + uint16 xt_id; /* transaction ID */ + uint16 rsvd[1]; +} ioctl_req_hdr_t; + +/* ret buf struct */ +typedef struct ret_buf_ptr { + uint32 low_addr; + uint32 high_addr; +} ret_buf_t; + +/* Complete msgbuf hdr for ioctl from host to dongle */ +typedef struct ioct_reqst_hdr { + cmn_msg_hdr_t msg; + ioctl_req_hdr_t ioct_hdr; + ret_buf_t ret_buf; +} ioct_reqst_hdr_t; + +typedef struct ioctptr_reqst_hdr { + cmn_msg_hdr_t msg; + ioctl_req_hdr_t ioct_hdr; + ret_buf_t ret_buf; + ret_buf_t ioct_buf; +} ioctptr_reqst_hdr_t; + +/* ioctl response header */ +typedef struct ioct_resp_hdr { + cmn_msg_hdr_t msg; + uint32 pkt_id; + uint32 status; + uint32 ret_len; + uint32 inline_data; + uint16 xt_id; /* transaction ID */ + uint16 rsvd[1]; +} ioct_resp_hdr_t; + +/* ioct resp header used in dongle */ +/* ret buf hdr will be stripped off inside dongle itself */ +typedef struct msgbuf_ioctl_resp { + ioct_resp_hdr_t ioct_hdr; + ret_buf_t ret_buf; /* ret buf pointers */ +} msgbuf_ioct_resp_t; + +/* WL evet hdr info */ +typedef struct wl_event_hdr { + cmn_msg_hdr_t msg; + uint16 event; + uint8 flags; + uint8 rsvd; + uint16 retbuf_len; + uint16 rsvd1; + uint32 rxbufid; +} wl_event_hdr_t; + +#define TXDESCR_FLOWID_PCIELPBK_1 0xFF +#define TXDESCR_FLOWID_PCIELPBK_2 0xFE + +typedef struct txbatch_lenptr_tup { + uint32 pktid; + uint16 pktlen; + uint16 rsvd; + ret_buf_t ret_buf; /* ret buf pointers */ +} txbatch_lenptr_tup_t; + +typedef struct txbatch_cmn_msghdr { + cmn_msg_hdr_t msg; + uint8 priority; + uint8 hdrlen; + uint8 pktcnt; + uint8 flowid; + uint8 txhdr[ETHER_HDR_LEN]; + uint16 rsvd; +} txbatch_cmn_msghdr_t; + +typedef struct txbatch_msghdr { + txbatch_cmn_msghdr_t txcmn; + txbatch_lenptr_tup_t tx_tup[0]; /* Based on packet count */ +} txbatch_msghdr_t; + +/* TX desc posting header */ +typedef struct tx_lenptr_tup { + uint16 pktlen; + uint16 rsvd; + ret_buf_t ret_buf; /* ret buf pointers */ +} tx_lenptr_tup_t; + +typedef struct txdescr_cmn_msghdr { + cmn_msg_hdr_t msg; + uint8 priority; + uint8 hdrlen; + uint8 descrcnt; + uint8 flowid; + uint32 pktid; +} txdescr_cmn_msghdr_t; + +typedef struct txdescr_msghdr { + txdescr_cmn_msghdr_t txcmn; + uint8 txhdr[ETHER_HDR_LEN]; + uint16 rsvd; + tx_lenptr_tup_t tx_tup[0]; /* Based on descriptor count */ +} txdescr_msghdr_t; + +/* Tx status header info */ +typedef struct txstatus_hdr { + cmn_msg_hdr_t msg; + uint32 pktid; +} txstatus_hdr_t; +/* RX bufid-len-ptr tuple */ +typedef struct rx_lenptr_tup { + uint32 rxbufid; + uint16 len; + uint16 rsvd2; + ret_buf_t ret_buf; /* ret buf pointers */ +} rx_lenptr_tup_t; +/* Rx descr Post hdr info */ +typedef struct rxdesc_msghdr { + cmn_msg_hdr_t msg; + uint16 rsvd0; + uint8 rsvd1; + uint8 descnt; + rx_lenptr_tup_t rx_tup[0]; +} rxdesc_msghdr_t; + +/* RX complete tuples */ +typedef struct rxcmplt_tup { + uint16 retbuf_len; + uint16 data_offset; + uint32 rxstatus0; + uint32 rxstatus1; + uint32 rxbufid; +} rxcmplt_tup_t; +/* RX complete messge hdr */ +typedef struct rxcmplt_hdr { + cmn_msg_hdr_t msg; + uint16 rsvd0; + uint16 rxcmpltcnt; + rxcmplt_tup_t rx_tup[0]; +} rxcmplt_hdr_t; +typedef struct hostevent_hdr { + cmn_msg_hdr_t msg; + uint32 evnt_pyld; +} hostevent_hdr_t; + +typedef struct dma_xfer_params { + uint32 src_physaddr_hi; + uint32 src_physaddr_lo; + uint32 dest_physaddr_hi; + uint32 dest_physaddr_lo; + uint32 len; + uint32 srcdelay; + uint32 destdelay; +} dma_xfer_params_t; + +enum { + HOST_EVENT_CONS_CMD = 1 +}; + +/* defines for flags */ +#define MSGBUF_IOC_ACTION_MASK 0x1 + +#endif /* _bcmmsgbuf_h_ */ |