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author | Arik Nemtsov | 2012-05-18 06:46:39 +0200 |
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committer | Luciano Coelho | 2012-06-06 18:28:05 +0200 |
commit | 2c38849f4a247673c8203a569444042e32d82410 (patch) | |
tree | 86b41dd4670f9d1ffa9997cc43ca4565a5050c2b /drivers/net/wireless/ti/wlcore/main.c | |
parent | wlcore: add stop reason bitmap for waking/starting queues (diff) | |
download | kernel-qcow2-linux-2c38849f4a247673c8203a569444042e32d82410.tar.gz kernel-qcow2-linux-2c38849f4a247673c8203a569444042e32d82410.tar.xz kernel-qcow2-linux-2c38849f4a247673c8203a569444042e32d82410.zip |
wlcore: stop queues on Tx flush
Stop network queues during Tx flush, and also drop other internal
mac80211 packets (mgmt) that may arrive when the queues are stopped.
When flush is done all driver queues are clear, forcefully if needed.
Protect the Tx flush operation with a new mutex, to prevent concurrency
that can mess us queue state.
Based on a patch by Eliad Peller <eliad@wizery.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/ti/wlcore/main.c')
-rw-r--r-- | drivers/net/wireless/ti/wlcore/main.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index bbab19a1ce8a..d81c86cbbf71 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -5148,6 +5148,7 @@ struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size) wl->state = WL1271_STATE_OFF; wl->fw_type = WL12XX_FW_TYPE_NONE; mutex_init(&wl->mutex); + mutex_init(&wl->flush_mutex); order = get_order(WL1271_AGGR_BUFFER_SIZE); wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); |