diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00dev.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00dev.c | 96 |
1 files changed, 83 insertions, 13 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 12ee7bdedd02..f59b9f7226a8 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -70,6 +70,11 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev) rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); /* + * Start watchdog monitoring. + */ + rt2x00link_start_watchdog(rt2x00dev); + + /* * Start the TX queues. */ ieee80211_wake_queues(rt2x00dev->hw); @@ -89,6 +94,11 @@ void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev) rt2x00queue_stop_queues(rt2x00dev); /* + * Stop watchdog monitoring. + */ + rt2x00link_stop_watchdog(rt2x00dev); + + /* * Disable RX. */ rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); @@ -168,10 +178,32 @@ static void rt2x00lib_intf_scheduled(struct work_struct *work) /* * Interrupt context handlers. */ -static void rt2x00lib_beacondone_iter(void *data, u8 *mac, - struct ieee80211_vif *vif) +static void rt2x00lib_bc_buffer_iter(void *data, u8 *mac, + struct ieee80211_vif *vif) { - struct rt2x00_intf *intf = vif_to_intf(vif); + struct rt2x00_dev *rt2x00dev = data; + struct sk_buff *skb; + + /* + * Only AP mode interfaces do broad- and multicast buffering + */ + if (vif->type != NL80211_IFTYPE_AP) + return; + + /* + * Send out buffered broad- and multicast frames + */ + skb = ieee80211_get_buffered_bc(rt2x00dev->hw, vif); + while (skb) { + rt2x00mac_tx(rt2x00dev->hw, skb); + skb = ieee80211_get_buffered_bc(rt2x00dev->hw, vif); + } +} + +static void rt2x00lib_beaconupdate_iter(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct rt2x00_dev *rt2x00dev = data; if (vif->type != NL80211_IFTYPE_AP && vif->type != NL80211_IFTYPE_ADHOC && @@ -179,9 +211,7 @@ static void rt2x00lib_beacondone_iter(void *data, u8 *mac, vif->type != NL80211_IFTYPE_WDS) return; - spin_lock(&intf->lock); - intf->delayed_flags |= DELAYED_UPDATE_BEACON; - spin_unlock(&intf->lock); + rt2x00queue_update_beacon(rt2x00dev, vif, true); } void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev) @@ -189,14 +219,37 @@ void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev) if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) return; - ieee80211_iterate_active_interfaces_atomic(rt2x00dev->hw, - rt2x00lib_beacondone_iter, - rt2x00dev); + /* send buffered bc/mc frames out for every bssid */ + ieee80211_iterate_active_interfaces(rt2x00dev->hw, + rt2x00lib_bc_buffer_iter, + rt2x00dev); + /* + * Devices with pre tbtt interrupt don't need to update the beacon + * here as they will fetch the next beacon directly prior to + * transmission. + */ + if (test_bit(DRIVER_SUPPORT_PRE_TBTT_INTERRUPT, &rt2x00dev->flags)) + return; - ieee80211_queue_work(rt2x00dev->hw, &rt2x00dev->intf_work); + /* fetch next beacon */ + ieee80211_iterate_active_interfaces(rt2x00dev->hw, + rt2x00lib_beaconupdate_iter, + rt2x00dev); } EXPORT_SYMBOL_GPL(rt2x00lib_beacondone); +void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev) +{ + if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) + return; + + /* fetch next beacon */ + ieee80211_iterate_active_interfaces(rt2x00dev->hw, + rt2x00lib_beaconupdate_iter, + rt2x00dev); +} +EXPORT_SYMBOL_GPL(rt2x00lib_pretbtt); + void rt2x00lib_txdone(struct queue_entry *entry, struct txdone_entry_desc *txdesc) { @@ -330,9 +383,17 @@ void rt2x00lib_txdone(struct queue_entry *entry, * send the status report back. */ if (!(skbdesc_flags & SKBDESC_NOT_MAC80211)) - ieee80211_tx_status_irqsafe(rt2x00dev->hw, entry->skb); + /* + * Only PCI and SOC devices process the tx status in process + * context. Hence use ieee80211_tx_status for PCI and SOC + * devices and stick to ieee80211_tx_status_irqsafe for USB. + */ + if (rt2x00_is_usb(rt2x00dev)) + ieee80211_tx_status_irqsafe(rt2x00dev->hw, entry->skb); + else + ieee80211_tx_status(rt2x00dev->hw, entry->skb); else - dev_kfree_skb_irq(entry->skb); + dev_kfree_skb_any(entry->skb); /* * Make this entry available for reuse. @@ -479,7 +540,16 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev, */ rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_RXDONE, entry->skb); memcpy(IEEE80211_SKB_RXCB(entry->skb), rx_status, sizeof(*rx_status)); - ieee80211_rx_irqsafe(rt2x00dev->hw, entry->skb); + + /* + * Currently only PCI and SOC devices handle rx interrupts in process + * context. Hence, use ieee80211_rx_irqsafe for USB and ieee80211_rx_ni + * for PCI and SOC devices. + */ + if (rt2x00_is_usb(rt2x00dev)) + ieee80211_rx_irqsafe(rt2x00dev->hw, entry->skb); + else + ieee80211_rx_ni(rt2x00dev->hw, entry->skb); /* * Replace the skb with the freshly allocated one. |