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mac80211: count authorized stations per BSS

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Currently, each AP interface will send multicast
traffic if any interface has a station entry even
if that station entry is allocated only. With the
new station state management we can easily fix it
by adding a counter that counts each authorized
station only and send multicast traffic only when
the correct interface has at least one authorized
station.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2011-12-14 12:20:31 +01:00
committed by John W. Linville
parent d9a7ddb05e
commit 29623892e1
4 changed files with 20 additions and 16 deletions
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14
net/mac80211/sta_info.c
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@@ -1567,17 +1567,21 @@ int sta_info_move_state_checked(struct sta_info *sta,
return -EINVAL;
break;
case IEEE80211_STA_ASSOC:
if (sta->sta_state == IEEE80211_STA_AUTH)
if (sta->sta_state == IEEE80211_STA_AUTH) {
set_bit(WLAN_STA_ASSOC, &sta->_flags);
else if (sta->sta_state == IEEE80211_STA_AUTHORIZED)
} else if (sta->sta_state == IEEE80211_STA_AUTHORIZED) {
if (sta->sdata->vif.type == NL80211_IFTYPE_AP)
atomic_dec(&sta->sdata->u.ap.num_sta_authorized);
clear_bit(WLAN_STA_AUTHORIZED, &sta->_flags);
else
} else
return -EINVAL;
break;
case IEEE80211_STA_AUTHORIZED:
if (sta->sta_state == IEEE80211_STA_ASSOC)
if (sta->sta_state == IEEE80211_STA_ASSOC) {
if (sta->sdata->vif.type == NL80211_IFTYPE_AP)
atomic_inc(&sta->sdata->u.ap.num_sta_authorized);
set_bit(WLAN_STA_AUTHORIZED, &sta->_flags);
else
} else
return -EINVAL;
break;
default: