diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00dev.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00dev.c | 74 |
1 files changed, 55 insertions, 19 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 9597a03..9de9dbe 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -121,7 +121,7 @@ static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac, return; if (test_and_clear_bit(DELAYED_UPDATE_BEACON, &intf->delayed_flags)) - rt2x00queue_update_beacon(rt2x00dev, vif, true); + rt2x00queue_update_beacon(rt2x00dev, vif); } static void rt2x00lib_intf_scheduled(struct work_struct *work) @@ -174,7 +174,13 @@ static void rt2x00lib_beaconupdate_iter(void *data, u8 *mac, vif->type != NL80211_IFTYPE_WDS) return; - rt2x00queue_update_beacon(rt2x00dev, vif, true); + /* + * Update the beacon without locking. This is safe on PCI devices + * as they only update the beacon periodically here. This should + * never be called for USB devices. + */ + WARN_ON(rt2x00_is_usb(rt2x00dev)); + rt2x00queue_update_beacon_locked(rt2x00dev, vif); } void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev) @@ -183,9 +189,9 @@ void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev) return; /* send buffered bc/mc frames out for every bssid */ - ieee80211_iterate_active_interfaces(rt2x00dev->hw, - rt2x00lib_bc_buffer_iter, - rt2x00dev); + ieee80211_iterate_active_interfaces_atomic(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 @@ -195,9 +201,9 @@ void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev) return; /* fetch next beacon */ - ieee80211_iterate_active_interfaces(rt2x00dev->hw, - rt2x00lib_beaconupdate_iter, - rt2x00dev); + ieee80211_iterate_active_interfaces_atomic(rt2x00dev->hw, + rt2x00lib_beaconupdate_iter, + rt2x00dev); } EXPORT_SYMBOL_GPL(rt2x00lib_beacondone); @@ -207,9 +213,9 @@ void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev) return; /* fetch next beacon */ - ieee80211_iterate_active_interfaces(rt2x00dev->hw, - rt2x00lib_beaconupdate_iter, - rt2x00dev); + ieee80211_iterate_active_interfaces_atomic(rt2x00dev->hw, + rt2x00lib_beaconupdate_iter, + rt2x00dev); } EXPORT_SYMBOL_GPL(rt2x00lib_pretbtt); @@ -649,7 +655,10 @@ static void rt2x00lib_channel(struct ieee80211_channel *entry, const int channel, const int tx_power, const int value) { - entry->center_freq = ieee80211_channel_to_frequency(channel); + /* XXX: this assumption about the band is wrong for 802.11j */ + entry->band = channel <= 14 ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; + entry->center_freq = ieee80211_channel_to_frequency(channel, + entry->band); entry->hw_value = value; entry->max_power = tx_power; entry->max_antenna_gain = 0xff; @@ -812,15 +821,29 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev) GFP_KERNEL); if (status) return status; + } - /* tasklet for processing the tx status reports. */ - if (rt2x00dev->ops->lib->txstatus_tasklet) - tasklet_init(&rt2x00dev->txstatus_tasklet, - rt2x00dev->ops->lib->txstatus_tasklet, - (unsigned long)rt2x00dev); - + /* + * Initialize tasklets if used by the driver. Tasklets are + * disabled until the interrupts are turned on. The driver + * has to handle that. + */ +#define RT2X00_TASKLET_INIT(taskletname) \ + if (rt2x00dev->ops->lib->taskletname) { \ + tasklet_init(&rt2x00dev->taskletname, \ + rt2x00dev->ops->lib->taskletname, \ + (unsigned long)rt2x00dev); \ + tasklet_disable(&rt2x00dev->taskletname); \ } + RT2X00_TASKLET_INIT(txstatus_tasklet); + RT2X00_TASKLET_INIT(pretbtt_tasklet); + RT2X00_TASKLET_INIT(tbtt_tasklet); + RT2X00_TASKLET_INIT(rxdone_tasklet); + RT2X00_TASKLET_INIT(autowake_tasklet); + +#undef RT2X00_TASKLET_INIT + /* * Register HW. */ @@ -949,6 +972,7 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) { int retval = -ENOMEM; + spin_lock_init(&rt2x00dev->irqmask_lock); mutex_init(&rt2x00dev->csr_mutex); set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags); @@ -973,8 +997,15 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) BIT(NL80211_IFTYPE_WDS); /* - * Initialize configuration work. + * Initialize work. */ + rt2x00dev->workqueue = + alloc_ordered_workqueue(wiphy_name(rt2x00dev->hw->wiphy), 0); + if (!rt2x00dev->workqueue) { + retval = -ENOMEM; + goto exit; + } + INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled); /* @@ -1033,6 +1064,7 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev) cancel_work_sync(&rt2x00dev->intf_work); cancel_work_sync(&rt2x00dev->rxdone_work); cancel_work_sync(&rt2x00dev->txdone_work); + destroy_workqueue(rt2x00dev->workqueue); /* * Free the tx status fifo. @@ -1043,6 +1075,10 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev) * Kill the tx status tasklet. */ tasklet_kill(&rt2x00dev->txstatus_tasklet); + tasklet_kill(&rt2x00dev->pretbtt_tasklet); + tasklet_kill(&rt2x00dev->tbtt_tasklet); + tasklet_kill(&rt2x00dev->rxdone_tasklet); + tasklet_kill(&rt2x00dev->autowake_tasklet); /* * Uninitialize device. |