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| author | Ilan Peer <ilan.peer@intel.com> | 2012-05-09 16:11:55 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2012-06-06 13:03:54 +0200 |
| commit | 622a9268231bd6b486ec058a28f773fa89926012 (patch) | |
| tree | 57c0eda48dfa100c44611ba7a88998009b7adfb4 /drivers/net/wireless/iwlwifi/iwl-dev.h | |
| parent | e19ebcab01cc130fa832764d453b263460ec3b91 (diff) | |
| download | linux-622a9268231bd6b486ec058a28f773fa89926012.tar.gz linux-622a9268231bd6b486ec058a28f773fa89926012.tar.bz2 linux-622a9268231bd6b486ec058a28f773fa89926012.zip | |
iwlwifi: handle race condition in ROC flow
When a remain on channel request from mac80211 is followed by
a request to tx a mgmt frame offchannel, it is possible that
the remain on channel expires before the device reported the
tx status for the frame. This causes a race condition in
mac80211.
To fix this, delay the ROC notification to mac80211 until the
device reported the Tx status for all frames in the aux queue.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-dev.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-dev.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 70062379d0ec..a4936a134162 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -846,6 +846,7 @@ struct iwl_priv { struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; unsigned long ucode_key_table; struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT]; + atomic_t num_aux_in_flight; u8 mac80211_registered; |