diff options
Diffstat (limited to 'drivers/net/wireless/b43legacy')
| -rw-r--r-- | drivers/net/wireless/b43legacy/b43legacy.h | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/b43legacy/main.c | 47 |
2 files changed, 43 insertions, 8 deletions
diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h index 4cdde4ad17c..ad4794a0a32 100644 --- a/drivers/net/wireless/b43legacy/b43legacy.h +++ b/drivers/net/wireless/b43legacy/b43legacy.h @@ -59,7 +59,8 @@ #define B43legacy_MMIO_XMITSTAT_1 0x174 #define B43legacy_MMIO_REV3PLUS_TSF_LOW 0x180 /* core rev >= 3 only */ #define B43legacy_MMIO_REV3PLUS_TSF_HIGH 0x184 /* core rev >= 3 only */ - +#define B43legacy_MMIO_TSF_CFP_REP 0x188 +#define B43legacy_MMIO_TSF_CFP_START 0x18C /* 32-bit DMA */ #define B43legacy_MMIO_DMA32_BASE0 0x200 #define B43legacy_MMIO_DMA32_BASE1 0x220 @@ -616,6 +617,7 @@ struct b43legacy_wl { struct sk_buff *current_beacon; bool beacon0_uploaded; bool beacon1_uploaded; + struct work_struct beacon_update_trigger; }; /* Pointers to the firmware data and meta information about it. */ diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index 81dbbc1c591..4f3f0162946 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -1013,7 +1013,8 @@ static void b43legacy_write_beacon_template(struct b43legacy_wldev *dev, b43legacywarn(dev->wl, "Did not find a valid TIM IE in the " "beacon template packet. AP or IBSS operation " "may be broken.\n"); - } + } else + b43legacydbg(dev->wl, "Updated beacon template\n"); } static void b43legacy_write_probe_resp_plcp(struct b43legacy_wldev *dev, @@ -1133,6 +1134,27 @@ static void b43legacy_write_probe_resp_template(struct b43legacy_wldev *dev, kfree(probe_resp_data); } +static void b43legacy_beacon_update_trigger_work(struct work_struct *work) +{ + struct b43legacy_wl *wl = container_of(work, struct b43legacy_wl, + beacon_update_trigger); + struct b43legacy_wldev *dev; + + mutex_lock(&wl->mutex); + dev = wl->current_dev; + if (likely(dev && (b43legacy_status(dev) >= B43legacy_STAT_INITIALIZED))) { + /* Force the microcode to trigger the + * beacon update bottom-half IRQ. */ + spin_lock_irq(&wl->irq_lock); + b43legacy_write32(dev, B43legacy_MMIO_MACCMD, + b43legacy_read32(dev, B43legacy_MMIO_MACCMD) + | B43legacy_MACCMD_BEACON0_VALID + | B43legacy_MACCMD_BEACON1_VALID); + spin_unlock_irq(&wl->irq_lock); + } + mutex_unlock(&wl->mutex); +} + /* Asynchronously update the packet templates in template RAM. * Locking: Requires wl->irq_lock to be locked. */ static void b43legacy_update_templates(struct b43legacy_wl *wl) @@ -1156,25 +1178,31 @@ static void b43legacy_update_templates(struct b43legacy_wl *wl) wl->current_beacon = beacon; wl->beacon0_uploaded = 0; wl->beacon1_uploaded = 0; + queue_work(wl->hw->workqueue, &wl->beacon_update_trigger); } static void b43legacy_set_beacon_int(struct b43legacy_wldev *dev, u16 beacon_int) { b43legacy_time_lock(dev); - if (dev->dev->id.revision >= 3) - b43legacy_write32(dev, 0x188, (beacon_int << 16)); - else { + if (dev->dev->id.revision >= 3) { + b43legacy_write32(dev, B43legacy_MMIO_TSF_CFP_REP, + (beacon_int << 16)); + b43legacy_write32(dev, B43legacy_MMIO_TSF_CFP_START, + (beacon_int << 10)); + } else { b43legacy_write16(dev, 0x606, (beacon_int >> 6)); b43legacy_write16(dev, 0x610, beacon_int); } b43legacy_time_unlock(dev); + b43legacydbg(dev->wl, "Set beacon interval to %u\n", beacon_int); } static void handle_irq_beacon(struct b43legacy_wldev *dev) { struct b43legacy_wl *wl = dev->wl; u32 cmd; + u32 beacon0_valid, beacon1_valid; if (!b43legacy_is_mode(wl, NL80211_IFTYPE_AP)) return; @@ -1182,7 +1210,11 @@ static void handle_irq_beacon(struct b43legacy_wldev *dev) /* This is the bottom half of the asynchronous beacon update. */ cmd = b43legacy_read32(dev, B43legacy_MMIO_MACCMD); - if (!(cmd & B43legacy_MACCMD_BEACON0_VALID)) { + beacon0_valid = (cmd & B43legacy_MACCMD_BEACON0_VALID); + beacon1_valid = (cmd & B43legacy_MACCMD_BEACON1_VALID); + cmd &= ~(B43legacy_MACCMD_BEACON0_VALID | B43legacy_MACCMD_BEACON1_VALID); + + if (!beacon0_valid) { if (!wl->beacon0_uploaded) { b43legacy_write_beacon_template(dev, 0x68, B43legacy_SHM_SH_BTL0, @@ -1193,8 +1225,7 @@ static void handle_irq_beacon(struct b43legacy_wldev *dev) wl->beacon0_uploaded = 1; } cmd |= B43legacy_MACCMD_BEACON0_VALID; - } - if (!(cmd & B43legacy_MACCMD_BEACON1_VALID)) { + } else if (!beacon1_valid) { if (!wl->beacon1_uploaded) { b43legacy_write_beacon_template(dev, 0x468, B43legacy_SHM_SH_BTL1, @@ -3435,6 +3466,7 @@ static void b43legacy_op_stop(struct ieee80211_hw *hw) struct b43legacy_wldev *dev = wl->current_dev; b43legacy_rfkill_exit(dev); + cancel_work_sync(&(wl->beacon_update_trigger)); mutex_lock(&wl->mutex); if (b43legacy_status(dev) >= B43legacy_STAT_STARTED) @@ -3766,6 +3798,7 @@ static int b43legacy_wireless_init(struct ssb_device *dev) spin_lock_init(&wl->leds_lock); mutex_init(&wl->mutex); INIT_LIST_HEAD(&wl->devlist); + INIT_WORK(&wl->beacon_update_trigger, b43legacy_beacon_update_trigger_work); ssb_set_devtypedata(dev, wl); b43legacyinfo(wl, "Broadcom %04X WLAN found\n", dev->bus->chip_id); |