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OCE: Use RSSI of actual BSS which rejected association

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If an AP rejects association due to low RSSI, then RSSI of the BSS from
which association reject is received shall be used for calculating RSSI
threshold at which STA can try connecting back to that BSS later. In
case of SME offload, the current_bss might not have been set before
receiving association completion, so fetch the BSS entry based on the
BSSID provided in the driver event.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Ankita Bajaj 2019-05-22 12:29:45 +05:30 committed by Jouni Malinen
parent bc4d7dfc5a
commit a8391db7cf
1 changed files with 13 additions and 6 deletions
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19
wpa_supplicant/events.c
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@ -4059,9 +4059,18 @@ static void wpas_event_assoc_reject(struct wpa_supplicant *wpa_s,
union wpa_event_data *data)
{
const u8 *bssid = data->assoc_reject.bssid;
#ifdef CONFIG_MBO
struct wpa_bss *reject_bss;
#endif /* CONFIG_MBO */
if (!bssid || is_zero_ether_addr(bssid))
bssid = wpa_s->pending_bssid;
#ifdef CONFIG_MBO
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
reject_bss = wpa_s->current_bss;
else
reject_bss = wpa_bss_get_bssid(wpa_s, bssid);
#endif /* CONFIG_MBO */
if (data->assoc_reject.bssid)
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
@ -4112,8 +4121,7 @@ static void wpas_event_assoc_reject(struct wpa_supplicant *wpa_s,
#ifdef CONFIG_MBO
if (data->assoc_reject.status_code ==
WLAN_STATUS_DENIED_POOR_CHANNEL_CONDITIONS &&
wpa_s->current_bss && data->assoc_reject.bssid &&
data->assoc_reject.resp_ies) {
reject_bss && data->assoc_reject.resp_ies) {
const u8 *rssi_rej;
rssi_rej = mbo_get_attr_from_ies(
@ -4124,13 +4132,12 @@ static void wpas_event_assoc_reject(struct wpa_supplicant *wpa_s,
wpa_printf(MSG_DEBUG,
"OCE: RSSI-based association rejection from "
MACSTR " (Delta RSSI: %u, Retry Delay: %u)",
MAC2STR(data->assoc_reject.bssid),
MAC2STR(reject_bss->bssid),
rssi_rej[2], rssi_rej[3]);
wpa_bss_tmp_disallow(wpa_s,
data->assoc_reject.bssid,
reject_bss->bssid,
rssi_rej[3],
rssi_rej[2] +
wpa_s->current_bss->level);
rssi_rej[2] + reject_bss->level);
}
}
#endif /* CONFIG_MBO */