diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00')
-rw-r--r-- | drivers/net/wireless/rt2x00/Kconfig | 19 | ||||
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2500usb.c | 36 | ||||
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00.h | 6 | ||||
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00config.c | 1 | ||||
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00dev.c | 46 | ||||
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00mac.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00pci.c | 3 | ||||
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00usb.c | 6 | ||||
-rw-r--r-- | drivers/net/wireless/rt2x00/rt73usb.c | 37 |
9 files changed, 99 insertions, 60 deletions
diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig index ab1029e79884..2d611876bbe0 100644 --- a/drivers/net/wireless/rt2x00/Kconfig +++ b/drivers/net/wireless/rt2x00/Kconfig @@ -32,12 +32,13 @@ config RT2X00_LIB_FIRMWARE config RT2X00_LIB_RFKILL boolean depends on RT2X00_LIB + depends on INPUT select RFKILL select INPUT_POLLDEV config RT2X00_LIB_LEDS boolean - depends on RT2X00_LIB + depends on RT2X00_LIB && NEW_LEDS config RT2400PCI tristate "Ralink rt2400 pci/pcmcia support" @@ -51,7 +52,7 @@ config RT2400PCI config RT2400PCI_RFKILL bool "RT2400 rfkill support" - depends on RT2400PCI + depends on RT2400PCI && INPUT select RT2X00_LIB_RFKILL ---help--- This adds support for integrated rt2400 devices that feature a @@ -60,7 +61,7 @@ config RT2400PCI_RFKILL config RT2400PCI_LEDS bool "RT2400 leds support" - depends on RT2400PCI + depends on RT2400PCI && NEW_LEDS select LEDS_CLASS select RT2X00_LIB_LEDS ---help--- @@ -78,7 +79,7 @@ config RT2500PCI config RT2500PCI_RFKILL bool "RT2500 rfkill support" - depends on RT2500PCI + depends on RT2500PCI && INPUT select RT2X00_LIB_RFKILL ---help--- This adds support for integrated rt2500 devices that feature a @@ -87,7 +88,7 @@ config RT2500PCI_RFKILL config RT2500PCI_LEDS bool "RT2500 leds support" - depends on RT2500PCI + depends on RT2500PCI && NEW_LEDS select LEDS_CLASS select RT2X00_LIB_LEDS ---help--- @@ -107,7 +108,7 @@ config RT61PCI config RT61PCI_RFKILL bool "RT61 rfkill support" - depends on RT61PCI + depends on RT61PCI && INPUT select RT2X00_LIB_RFKILL ---help--- This adds support for integrated rt61 devices that feature a @@ -116,7 +117,7 @@ config RT61PCI_RFKILL config RT61PCI_LEDS bool "RT61 leds support" - depends on RT61PCI + depends on RT61PCI && NEW_LEDS select LEDS_CLASS select RT2X00_LIB_LEDS ---help--- @@ -133,7 +134,7 @@ config RT2500USB config RT2500USB_LEDS bool "RT2500 leds support" - depends on RT2500USB + depends on RT2500USB && NEW_LEDS select LEDS_CLASS select RT2X00_LIB_LEDS ---help--- @@ -152,7 +153,7 @@ config RT73USB config RT73USB_LEDS bool "RT73 leds support" - depends on RT73USB + depends on RT73USB && NEW_LEDS select LEDS_CLASS select RT2X00_LIB_LEDS ---help--- diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index fdbd0ef2be4b..61e59c17a60a 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -138,11 +138,8 @@ static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev, * Wait until the BBP becomes ready. */ reg = rt2500usb_bbp_check(rt2x00dev); - if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n"); - mutex_unlock(&rt2x00dev->usb_cache_mutex); - return; - } + if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) + goto exit_fail; /* * Write the data into the BBP. @@ -155,6 +152,13 @@ static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev, rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg); mutex_unlock(&rt2x00dev->usb_cache_mutex); + + return; + +exit_fail: + mutex_unlock(&rt2x00dev->usb_cache_mutex); + + ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n"); } static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev, @@ -168,10 +172,8 @@ static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev, * Wait until the BBP becomes ready. */ reg = rt2500usb_bbp_check(rt2x00dev); - if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n"); - return; - } + if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) + goto exit_fail; /* * Write the request into the BBP. @@ -186,17 +188,21 @@ static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev, * Wait until the BBP becomes ready. */ reg = rt2500usb_bbp_check(rt2x00dev); - if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n"); - *value = 0xff; - mutex_unlock(&rt2x00dev->usb_cache_mutex); - return; - } + if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) + goto exit_fail; rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, ®); *value = rt2x00_get_field16(reg, PHY_CSR7_DATA); mutex_unlock(&rt2x00dev->usb_cache_mutex); + + return; + +exit_fail: + mutex_unlock(&rt2x00dev->usb_cache_mutex); + + ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n"); + *value = 0xff; } static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev, diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 57bdc153952f..b4bf1e09cf9a 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -328,6 +328,11 @@ static inline int rt2x00_get_link_ant_rssi(struct link *link) return DEFAULT_RSSI; } +static inline void rt2x00_reset_link_ant_rssi(struct link *link) +{ + link->ant.rssi_ant = 0; +} + static inline int rt2x00_get_link_ant_rssi_history(struct link *link, enum antenna ant) { @@ -816,6 +821,7 @@ struct rt2x00_dev { /* * Scheduled work. */ + struct workqueue_struct *workqueue; struct work_struct intf_work; struct work_struct filter_work; diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c index a9930a03f450..48608e8cc8b4 100644 --- a/drivers/net/wireless/rt2x00/rt2x00config.c +++ b/drivers/net/wireless/rt2x00/rt2x00config.c @@ -129,6 +129,7 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, */ rt2x00dev->ops->lib->config(rt2x00dev, &libconf, CONFIG_UPDATE_ANTENNA); rt2x00lib_reset_link_tuner(rt2x00dev); + rt2x00_reset_link_ant_rssi(&rt2x00dev->link); rt2x00dev->link.ant.active.rx = libconf.ant.rx; rt2x00dev->link.ant.active.tx = libconf.ant.tx; diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index b22c02737185..c997d4f28ab3 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -75,7 +75,7 @@ static void rt2x00lib_start_link_tuner(struct rt2x00_dev *rt2x00dev) rt2x00lib_reset_link_tuner(rt2x00dev); - queue_delayed_work(rt2x00dev->hw->workqueue, + queue_delayed_work(rt2x00dev->workqueue, &rt2x00dev->link.work, LINK_TUNE_INTERVAL); } @@ -137,14 +137,6 @@ void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev) return; /* - * Stop all scheduled work. - */ - if (work_pending(&rt2x00dev->intf_work)) - cancel_work_sync(&rt2x00dev->intf_work); - if (work_pending(&rt2x00dev->filter_work)) - cancel_work_sync(&rt2x00dev->filter_work); - - /* * Stop the TX queues. */ ieee80211_stop_queues(rt2x00dev->hw); @@ -398,8 +390,8 @@ static void rt2x00lib_link_tuner(struct work_struct *work) * Increase tuner counter, and reschedule the next link tuner run. */ rt2x00dev->link.count++; - queue_delayed_work(rt2x00dev->hw->workqueue, &rt2x00dev->link.work, - LINK_TUNE_INTERVAL); + queue_delayed_work(rt2x00dev->workqueue, + &rt2x00dev->link.work, LINK_TUNE_INTERVAL); } static void rt2x00lib_packetfilter_scheduled(struct work_struct *work) @@ -433,6 +425,15 @@ static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac, spin_unlock(&intf->lock); + /* + * It is possible the radio was disabled while the work had been + * scheduled. If that happens we should return here immediately, + * note that in the spinlock protected area above the delayed_flags + * have been cleared correctly. + */ + if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags)) + return; + if (delayed_flags & DELAYED_UPDATE_BEACON) { skb = ieee80211_beacon_get(rt2x00dev->hw, vif, &control); if (skb && rt2x00dev->ops->hw->beacon_update(rt2x00dev->hw, @@ -441,7 +442,7 @@ static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac, } if (delayed_flags & DELAYED_CONFIG_ERP) - rt2x00lib_config_erp(rt2x00dev, intf, &intf->conf); + rt2x00lib_config_erp(rt2x00dev, intf, &conf); if (delayed_flags & DELAYED_LED_ASSOC) rt2x00leds_led_assoc(rt2x00dev, !!rt2x00dev->intf_associated); @@ -483,11 +484,11 @@ void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev) if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags)) return; - ieee80211_iterate_active_interfaces(rt2x00dev->hw, - rt2x00lib_beacondone_iter, - rt2x00dev); + ieee80211_iterate_active_interfaces_atomic(rt2x00dev->hw, + rt2x00lib_beacondone_iter, + rt2x00dev); - queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->intf_work); + queue_work(rt2x00dev->workqueue, &rt2x00dev->intf_work); } EXPORT_SYMBOL_GPL(rt2x00lib_beacondone); @@ -507,7 +508,7 @@ void rt2x00lib_txdone(struct queue_entry *entry, * Update TX statistics. */ rt2x00dev->link.qual.tx_success += success; - rt2x00dev->link.qual.tx_failed += txdesc->retry + fail; + rt2x00dev->link.qual.tx_failed += fail; /* * Initialize TX status @@ -1130,6 +1131,10 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) /* * Initialize configuration work. */ + rt2x00dev->workqueue = create_singlethread_workqueue("rt2x00lib"); + if (!rt2x00dev->workqueue) + goto exit; + INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled); INIT_WORK(&rt2x00dev->filter_work, rt2x00lib_packetfilter_scheduled); INIT_DELAYED_WORK(&rt2x00dev->link.work, rt2x00lib_link_tuner); @@ -1190,6 +1195,13 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev) rt2x00leds_unregister(rt2x00dev); /* + * Stop all queued work. Note that most tasks will already be halted + * during rt2x00lib_disable_radio() and rt2x00lib_uninitialize(). + */ + flush_workqueue(rt2x00dev->workqueue); + destroy_workqueue(rt2x00dev->workqueue); + + /* * Free ieee80211_hw memory. */ rt2x00lib_remove_hw(rt2x00dev); diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index c206b5092070..9cb023edd2e9 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -93,6 +93,7 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb, */ if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags)) { ieee80211_stop_queues(hw); + dev_kfree_skb_any(skb); return NETDEV_TX_OK; } @@ -427,7 +428,7 @@ void rt2x00mac_configure_filter(struct ieee80211_hw *hw, if (!test_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags)) rt2x00dev->ops->lib->config_filter(rt2x00dev, *total_flags); else - queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->filter_work); + queue_work(rt2x00dev->workqueue, &rt2x00dev->filter_work); } EXPORT_SYMBOL_GPL(rt2x00mac_configure_filter); @@ -508,7 +509,7 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, memcpy(&intf->conf, bss_conf, sizeof(*bss_conf)); if (delayed) { intf->delayed_flags |= delayed; - queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->intf_work); + queue_work(rt2x00dev->workqueue, &rt2x00dev->intf_work); } spin_unlock(&intf->lock); } diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c index 971af2546b59..60893de3bf8f 100644 --- a/drivers/net/wireless/rt2x00/rt2x00pci.c +++ b/drivers/net/wireless/rt2x00/rt2x00pci.c @@ -412,8 +412,7 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id) if (pci_set_mwi(pci_dev)) ERROR_PROBE("MWI not available.\n"); - if (pci_set_dma_mask(pci_dev, DMA_64BIT_MASK) && - pci_set_dma_mask(pci_dev, DMA_32BIT_MASK)) { + if (pci_set_dma_mask(pci_dev, DMA_32BIT_MASK)) { ERROR_PROBE("PCI DMA not supported.\n"); retval = -EIO; goto exit_disable_device; diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index 5a331674dcb2..e5ceae805b57 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -362,6 +362,12 @@ void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev) } } + /* + * Kill guardian urb (if required by driver). + */ + if (!test_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags)) + return; + for (i = 0; i < rt2x00dev->bcn->limit; i++) { priv_bcn = rt2x00dev->bcn->entries[i].priv_data; usb_kill_urb(priv_bcn->urb); diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index da19a3a91f4d..83cc0147f698 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -134,11 +134,8 @@ static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev, * Wait until the BBP becomes ready. */ reg = rt73usb_bbp_check(rt2x00dev); - if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n"); - mutex_unlock(&rt2x00dev->usb_cache_mutex); - return; - } + if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) + goto exit_fail; /* * Write the data into the BBP. @@ -151,6 +148,13 @@ static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev, rt73usb_register_write_lock(rt2x00dev, PHY_CSR3, reg); mutex_unlock(&rt2x00dev->usb_cache_mutex); + + return; + +exit_fail: + mutex_unlock(&rt2x00dev->usb_cache_mutex); + + ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n"); } static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev, @@ -164,11 +168,8 @@ static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev, * Wait until the BBP becomes ready. */ reg = rt73usb_bbp_check(rt2x00dev); - if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); - mutex_unlock(&rt2x00dev->usb_cache_mutex); - return; - } + if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) + goto exit_fail; /* * Write the request into the BBP. @@ -184,14 +185,19 @@ static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev, * Wait until the BBP becomes ready. */ reg = rt73usb_bbp_check(rt2x00dev); - if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); - *value = 0xff; - return; - } + if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) + goto exit_fail; *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE); mutex_unlock(&rt2x00dev->usb_cache_mutex); + + return; + +exit_fail: + mutex_unlock(&rt2x00dev->usb_cache_mutex); + + ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); + *value = 0xff; } static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev, @@ -2131,6 +2137,7 @@ static struct usb_device_id rt73usb_device_table[] = { /* D-Link */ { USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x07d1, 0x3c04), USB_DEVICE_DATA(&rt73usb_ops) }, + { USB_DEVICE(0x07d1, 0x3c06), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x07d1, 0x3c07), USB_DEVICE_DATA(&rt73usb_ops) }, /* Gemtek */ { USB_DEVICE(0x15a9, 0x0004), USB_DEVICE_DATA(&rt73usb_ops) }, |