diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00dev.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00dev.c | 104 |
1 files changed, 43 insertions, 61 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 5ba79b935f0..9597a03242c 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -66,20 +66,16 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev) set_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags); /* - * Enable RX. + * Enable queues. */ - rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); + rt2x00queue_start_queues(rt2x00dev); + rt2x00link_start_tuner(rt2x00dev); /* * Start watchdog monitoring. */ rt2x00link_start_watchdog(rt2x00dev); - /* - * Start the TX queues. - */ - ieee80211_wake_queues(rt2x00dev->hw); - return 0; } @@ -89,20 +85,16 @@ void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev) return; /* - * Stop the TX queues in mac80211. - */ - ieee80211_stop_queues(rt2x00dev->hw); - rt2x00queue_stop_queues(rt2x00dev); - - /* * Stop watchdog monitoring. */ rt2x00link_stop_watchdog(rt2x00dev); /* - * Disable RX. + * Stop all queues */ - rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); + rt2x00link_stop_tuner(rt2x00dev); + rt2x00queue_stop_queues(rt2x00dev); + rt2x00queue_flush_queues(rt2x00dev, true); /* * Disable radio. @@ -113,41 +105,11 @@ void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev) rt2x00leds_led_radio(rt2x00dev, false); } -void rt2x00lib_toggle_rx(struct rt2x00_dev *rt2x00dev, enum dev_state state) -{ - /* - * When we are disabling the RX, we should also stop the link tuner. - */ - if (state == STATE_RADIO_RX_OFF) - rt2x00link_stop_tuner(rt2x00dev); - - rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); - - /* - * When we are enabling the RX, we should also start the link tuner. - */ - if (state == STATE_RADIO_RX_ON) - rt2x00link_start_tuner(rt2x00dev); -} - static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac, struct ieee80211_vif *vif) { struct rt2x00_dev *rt2x00dev = data; struct rt2x00_intf *intf = vif_to_intf(vif); - int delayed_flags; - - /* - * Copy all data we need during this action under the protection - * of a spinlock. Otherwise race conditions might occur which results - * into an invalid configuration. - */ - spin_lock(&intf->lock); - - delayed_flags = intf->delayed_flags; - intf->delayed_flags = 0; - - spin_unlock(&intf->lock); /* * It is possible the radio was disabled while the work had been @@ -158,7 +120,7 @@ static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac, if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) return; - if (delayed_flags & DELAYED_UPDATE_BEACON) + if (test_and_clear_bit(DELAYED_UPDATE_BEACON, &intf->delayed_flags)) rt2x00queue_update_beacon(rt2x00dev, vif, true); } @@ -251,8 +213,16 @@ void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev) } EXPORT_SYMBOL_GPL(rt2x00lib_pretbtt); +void rt2x00lib_dmastart(struct queue_entry *entry) +{ + set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags); + rt2x00queue_index_inc(entry->queue, Q_INDEX); +} +EXPORT_SYMBOL_GPL(rt2x00lib_dmastart); + void rt2x00lib_dmadone(struct queue_entry *entry) { + set_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags); clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags); rt2x00queue_index_inc(entry->queue, Q_INDEX_DMA_DONE); } @@ -264,11 +234,9 @@ void rt2x00lib_txdone(struct queue_entry *entry, struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb); struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); - enum data_queue_qid qid = skb_get_queue_mapping(entry->skb); - unsigned int header_length = ieee80211_get_hdrlen_from_skb(entry->skb); + unsigned int header_length, i; u8 rate_idx, rate_flags, retry_rates; u8 skbdesc_flags = skbdesc->flags; - unsigned int i; bool success; /* @@ -287,6 +255,11 @@ void rt2x00lib_txdone(struct queue_entry *entry, skbdesc->flags &= ~SKBDESC_DESC_IN_SKB; /* + * Determine the length of 802.11 header. + */ + header_length = ieee80211_get_hdrlen_from_skb(entry->skb); + + /* * Remove L2 padding which was added during */ if (test_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags)) @@ -390,9 +363,12 @@ void rt2x00lib_txdone(struct queue_entry *entry, * through a mac80211 library call (RTS/CTS) then we should not * send the status report back. */ - if (!(skbdesc_flags & SKBDESC_NOT_MAC80211)) - ieee80211_tx_status(rt2x00dev->hw, entry->skb); - else + if (!(skbdesc_flags & SKBDESC_NOT_MAC80211)) { + if (test_bit(DRIVER_REQUIRE_TASKLET_CONTEXT, &rt2x00dev->flags)) + ieee80211_tx_status(rt2x00dev->hw, entry->skb); + else + ieee80211_tx_status_ni(rt2x00dev->hw, entry->skb); + } else dev_kfree_skb_any(entry->skb); /* @@ -411,7 +387,7 @@ void rt2x00lib_txdone(struct queue_entry *entry, * is reenabled when the txdone handler has finished. */ if (!rt2x00queue_threshold(entry->queue)) - ieee80211_wake_queue(rt2x00dev->hw, qid); + rt2x00queue_unpause_queue(entry->queue); } EXPORT_SYMBOL_GPL(rt2x00lib_txdone); @@ -483,6 +459,10 @@ void rt2x00lib_rxdone(struct queue_entry *entry) unsigned int header_length; int rate_idx; + if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) || + !test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) + goto submit_entry; + if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) goto submit_entry; @@ -567,9 +547,11 @@ void rt2x00lib_rxdone(struct queue_entry *entry) entry->skb = skb; submit_entry: - rt2x00dev->ops->lib->clear_entry(entry); - rt2x00queue_index_inc(entry->queue, Q_INDEX); + entry->flags = 0; rt2x00queue_index_inc(entry->queue, Q_INDEX_DONE); + if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) && + test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) + rt2x00dev->ops->lib->clear_entry(entry); } EXPORT_SYMBOL_GPL(rt2x00lib_rxdone); @@ -678,7 +660,7 @@ static void rt2x00lib_rate(struct ieee80211_rate *entry, { entry->flags = 0; entry->bitrate = rate->bitrate; - entry->hw_value =index; + entry->hw_value = index; entry->hw_value_short = index; if (rate->flags & DEV_RATE_SHORT_PREAMBLE) @@ -818,8 +800,7 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev) /* * Allocate tx status FIFO for driver use. */ - if (test_bit(DRIVER_REQUIRE_TXSTATUS_FIFO, &rt2x00dev->flags) && - rt2x00dev->ops->lib->txstatus_tasklet) { + if (test_bit(DRIVER_REQUIRE_TXSTATUS_FIFO, &rt2x00dev->flags)) { /* * Allocate txstatus fifo and tasklet, we use a size of 512 * for the kfifo which is big enough to store 512/4=128 tx @@ -833,9 +814,10 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev) return status; /* tasklet for processing the tx status reports. */ - tasklet_init(&rt2x00dev->txstatus_tasklet, - rt2x00dev->ops->lib->txstatus_tasklet, - (unsigned long)rt2x00dev); + if (rt2x00dev->ops->lib->txstatus_tasklet) + tasklet_init(&rt2x00dev->txstatus_tasklet, + rt2x00dev->ops->lib->txstatus_tasklet, + (unsigned long)rt2x00dev); } |