From 27df2a9ce9ea6a77b9959cf5cc03ee85324aced9 Mon Sep 17 00:00:00 2001 From: Ivo van Doorn Date: Sun, 11 Jul 2010 12:24:22 +0200 Subject: rt2x00: Rename CONFIG_DISABLE_LINK_TUNING Rename CONFIG_DISABLE_LINK_TUNING to DRIVER_SUPPORT_LINK_TUNING Link tuning support is not only based on EEPROM decisions, but also if the device actually supports it. Currently only rt2500usb doesn't support link tuning because of hardware problems. But rt2800usb is also suspected of having problems with link tuning. Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt73usb.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/wireless/rt2x00/rt73usb.c') diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 286dd97e51d8..156f5d366013 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -2135,6 +2135,7 @@ static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev) __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags); if (!modparam_nohwcrypt) __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); + __set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags); /* * Set the rssi offset. -- cgit v1.2.3 From d8147f9d9ed6abfa105234a21f05af4a4839eb80 Mon Sep 17 00:00:00 2001 From: Ivo van Doorn Date: Sun, 11 Jul 2010 12:24:47 +0200 Subject: rt2x00: Disable link tuning while scanning While scanning the link tuner must be disabled. Otherwise it will interfere with receiving all beacons for each channel due to changing sensitivity levels. Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt73usb.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/wireless/rt2x00/rt73usb.c') diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 156f5d366013..9ea6a672d4e2 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -2229,6 +2229,8 @@ static const struct ieee80211_ops rt73usb_mac80211_ops = { .configure_filter = rt2x00mac_configure_filter, .set_tim = rt2x00mac_set_tim, .set_key = rt2x00mac_set_key, + .sw_scan_start = rt2x00mac_sw_scan_start, + .sw_scan_complete = rt2x00mac_sw_scan_complete, .get_stats = rt2x00mac_get_stats, .bss_info_changed = rt2x00mac_bss_info_changed, .conf_tx = rt73usb_conf_tx, -- cgit v1.2.3 From c965c74bbc650e5466d2f3e32bd28112ebcdd00c Mon Sep 17 00:00:00 2001 From: Ivo van Doorn Date: Sun, 11 Jul 2010 12:25:46 +0200 Subject: rt2x00: Implement watchdog monitoring Implement watchdog monitoring for USB devices (PCI support can be added later). This will determine if URBs being uploaded to the hardware are actually returning. Both rt2500usb and rt2800usb have shown that URBs being uploaded can remain hanging without being released by the hardware. By using this watchdog, a queue can be reset when this occurs. For rt2800usb it has been tested that the connection is preserved even though this interruption. Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt73usb.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/wireless/rt2x00/rt73usb.c') diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 9ea6a672d4e2..cad07b69c53e 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -2136,6 +2136,7 @@ static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev) if (!modparam_nohwcrypt) __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); __set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags); + __set_bit(DRIVER_SUPPORT_WATCHDOG, &rt2x00dev->flags); /* * Set the rssi offset. @@ -2251,6 +2252,7 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = { .link_stats = rt73usb_link_stats, .reset_tuner = rt73usb_reset_tuner, .link_tuner = rt73usb_link_tuner, + .watchdog = rt2x00usb_watchdog, .write_tx_desc = rt73usb_write_tx_desc, .write_beacon = rt73usb_write_beacon, .get_tx_data_len = rt73usb_get_tx_data_len, -- cgit v1.2.3 From 78e256c9a3717bcae2e9ed05c9ec7bed7bf2c55d Mon Sep 17 00:00:00 2001 From: Helmut Schaa Date: Sun, 11 Jul 2010 12:26:48 +0200 Subject: rt2x00: Convert rt2x00 to use threaded interrupts Use threaded interrupts for all rt2x00 PCI devices. This has several generic advantages: - Reduce the time we spend in hard irq context - Use non-atmic mac80211 functions for rx/tx Furthermore implementing broad- and multicast buffering will be much easier in process context while maintaining low latency and updating the beacon just before transmission (pre tbtt interrupt) can also be done in process context. Signed-off-by: Helmut Schaa Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt73usb.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/wireless/rt2x00/rt73usb.c') diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index cad07b69c53e..aa9de18fd410 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1400,7 +1400,9 @@ static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev, rt73usb_toggle_rx(rt2x00dev, state); break; case STATE_RADIO_IRQ_ON: + case STATE_RADIO_IRQ_ON_ISR: case STATE_RADIO_IRQ_OFF: + case STATE_RADIO_IRQ_OFF_ISR: /* No support, but no error either */ break; case STATE_DEEP_SLEEP: -- cgit v1.2.3