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AP: Unset HT capabilities for an HT association request without WMM

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HT requires QoS/WMM, so unset HT capabilities for a station
whose association request does not include a valid WMM IE.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
This commit is contained in:
Ilan Peer 2015-03-24 09:40:06 +02:00 committed by Jouni Malinen
parent c41d0840a1
commit 54d3dc9184
1 changed files with 6 additions and 2 deletions
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8
src/ap/ieee802_11_ht.c
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@ -312,10 +312,14 @@ void hostapd_2040_coex_action(struct hostapd_data *hapd,
u16 copy_sta_ht_capab(struct hostapd_data *hapd, struct sta_info *sta, u16 copy_sta_ht_capab(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *ht_capab, size_t ht_capab_len) const u8 *ht_capab, size_t ht_capab_len)
{ {
/* Disable HT caps for STAs associated to no-HT BSSes. */ /*
* Disable HT caps for STAs associated to no-HT BSSes, or for stations
* that did not specify a valid WMM IE in the (Re)Association Request
* frame.
*/
if (!ht_capab || if (!ht_capab ||
ht_capab_len < sizeof(struct ieee80211_ht_capabilities) || ht_capab_len < sizeof(struct ieee80211_ht_capabilities) ||
hapd->conf->disable_11n) { !(sta->flags & WLAN_STA_WMM) || hapd->conf->disable_11n) {
sta->flags &= ~WLAN_STA_HT; sta->flags &= ~WLAN_STA_HT;
os_free(sta->ht_capabilities); os_free(sta->ht_capabilities);
sta->ht_capabilities = NULL; sta->ht_capabilities = NULL;