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Do not copy STA VHT capabilities if VHT is not enabled for AP 

Previously, station's VHT information elements were copied and passed
regardless of the AP's VHT configuration. As a result, AP with VHT
disabled in configuration could have ended up transmitting packets in
VHT rates though AP is not advertising VHT support. Fix this by copying
the station's VHT capabilities only when AP supports VHT (both hardware
and configuration).

Signed-off-by: Ashok Raj Nagarajan <arnagara@qti.qualcomm.com>
This commit is contained in:
Ashok Raj Nagarajan 2015-09-22 19:26:00 +05:30 committed by Jouni Malinen
parent f455998afe
commit 28ffd21c07
1 changed files with 8 additions and 6 deletions
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14
src/ap/ieee802_11.c
View File

@ -1373,13 +1373,15 @@ static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta,
#endif /* CONFIG_IEEE80211N */
#ifdef CONFIG_IEEE80211AC
resp = copy_sta_vht_capab(hapd, sta, elems.vht_capabilities);
if (resp != WLAN_STATUS_SUCCESS)
return resp;
if (hapd->iconf->ieee80211ac) {
resp = copy_sta_vht_capab(hapd, sta, elems.vht_capabilities);
if (resp != WLAN_STATUS_SUCCESS)
return resp;
resp = set_sta_vht_opmode(hapd, sta, elems.vht_opmode_notif);
if (resp != WLAN_STATUS_SUCCESS)
return resp;
resp = set_sta_vht_opmode(hapd, sta, elems.vht_opmode_notif);
if (resp != WLAN_STATUS_SUCCESS)
return resp;
}
if (hapd->iconf->ieee80211ac && hapd->iconf->require_vht &&
!(sta->flags & WLAN_STA_VHT)) {