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mac80211: Recalc min chandef when station is associated 

The minimum chandef bandwidth calculation was done only in case
a new station was inserted (or when an existing station was removed).
However, it is possible that stations are inserted before they are
associated, e.g., when FULL_AP_CLIENT_STATE is supported and user
space adds stations unassociated.

Fix this by calling ieee80211_recalc_min_chandef() whenever
a station transitions in/out the associated state, and only
consider station marked as associated.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ilan Peer 2015-12-13 13:41:43 +02:00 committed by Johannes Berg
parent 178830481e
commit a7201a6c5e
2 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/mac80211/chan.c
View File

@ -231,7 +231,7 @@ ieee80211_get_max_required_bw(struct ieee80211_sub_if_data *sdata)
!(sta->sdata->bss && sta->sdata->bss == sdata->bss))
continue;
if (!sta->uploaded)
if (!sta->uploaded || !test_sta_flag(sta, WLAN_STA_ASSOC))
continue;
max_bw = max(max_bw, ieee80211_get_sta_bw(&sta->sta));

9
net/mac80211/sta_info.c
View File

@ -530,7 +530,6 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU)
/* accept BA sessions now */
clear_sta_flag(sta, WLAN_STA_BLOCK_BA);
ieee80211_recalc_min_chandef(sdata);
ieee80211_sta_debugfs_add(sta);
rate_control_add_sta_debugfs(sta);
@ -941,7 +940,6 @@ static void __sta_info_destroy_part2(struct sta_info *sta)
rate_control_remove_sta_debugfs(sta);
ieee80211_sta_debugfs_remove(sta);
ieee80211_recalc_min_chandef(sdata);
cleanup_single_sta(sta);
}
@ -1808,14 +1806,17 @@ int sta_info_move_state(struct sta_info *sta,
clear_bit(WLAN_STA_AUTH, &sta->_flags);
break;
case IEEE80211_STA_AUTH:
if (sta->sta_state == IEEE80211_STA_NONE)
if (sta->sta_state == IEEE80211_STA_NONE) {
set_bit(WLAN_STA_AUTH, &sta->_flags);
else if (sta->sta_state == IEEE80211_STA_ASSOC)
} else if (sta->sta_state == IEEE80211_STA_ASSOC) {
clear_bit(WLAN_STA_ASSOC, &sta->_flags);
ieee80211_recalc_min_chandef(sta->sdata);
}
break;
case IEEE80211_STA_ASSOC:
if (sta->sta_state == IEEE80211_STA_AUTH) {
set_bit(WLAN_STA_ASSOC, &sta->_flags);
ieee80211_recalc_min_chandef(sta->sdata);
} else if (sta->sta_state == IEEE80211_STA_AUTHORIZED) {
if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||
(sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&