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iwlwifi: mvm: set AID to firmware only for associated stations

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The firmware will soon actually look at the AID field, and
when it does that it'll try to ensure that the AID is never
changing. Due to the way the station is added, it may start
with an invalid AID before it's associated, so to ensure a
constant AID (once it becomes non-zero), track the station
state and set the AID only when the station is associated
and when it disassociates.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg 2016-12-01 16:25:30 +01:00 committed by Luca Coelho
parent cba84570a0
commit 6ea29ce574
3 changed files with 7 additions and 3 deletions
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6
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
View File

@ -2552,6 +2552,7 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
int ret;
IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
@ -2580,8 +2581,6 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
if (old_state == IEEE80211_STA_NONE &&
new_state == IEEE80211_STA_NOTEXIST &&
iwl_mvm_is_dqa_supported(mvm)) {
struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
iwl_mvm_purge_deferred_tx_frames(mvm, mvm_sta);
flush_work(&mvm->add_stream_wk);
@ -2592,6 +2591,9 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
}
mutex_lock(&mvm->mutex);
/* track whether or not the station is associated */
mvm_sta->associated = new_state >= IEEE80211_STA_ASSOC;
if (old_state == IEEE80211_STA_NOTEXIST &&
new_state == IEEE80211_STA_NONE) {
/*

3
drivers/net/wireless/intel/iwlwifi/mvm/sta.c
View File

@ -202,7 +202,8 @@ int iwl_mvm_sta_send_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
cpu_to_le32(agg_size << STA_FLG_MAX_AGG_SIZE_SHIFT);
add_sta_cmd.station_flags |=
cpu_to_le32(mpdu_dens << STA_FLG_AGG_MPDU_DENS_SHIFT);
add_sta_cmd.assoc_id = cpu_to_le16(sta->aid);
if (mvm_sta->associated)
add_sta_cmd.assoc_id = cpu_to_le16(sta->aid);
if (sta->wme) {
add_sta_cmd.modify_mask |= STA_MODIFY_UAPSD_ACS;

1
drivers/net/wireless/intel/iwlwifi/mvm/sta.h
View File

@ -437,6 +437,7 @@ struct iwl_mvm_sta {
bool disable_tx;
bool tlc_amsdu;
bool sleeping;
bool associated;
u8 agg_tids;
u8 sleep_tx_count;
u8 avg_energy;