RRM: Handle scan TSF BSSID matching in context of MLD

Compare the BSSID against the BSSIDs on the affiliated APs for which
there is a valid link in case of an ML association.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
This commit is contained in:
Ilan Peer 2023-12-28 15:19:21 +02:00 committed by Jouni Malinen
parent 12cdeb5016
commit 906dade4f9

View file

@ -1512,6 +1512,29 @@ void wpas_rrm_handle_link_measurement_request(struct wpa_supplicant *wpa_s,
}
static bool wpas_beacon_rep_scan_match(struct wpa_supplicant *wpa_s,
const u8 *bssid)
{
u8 i;
if (!wpa_s->valid_links)
return ether_addr_equal(wpa_s->current_bss->bssid, bssid);
for (i = 0; i < MAX_NUM_MLD_LINKS; i++) {
if (!(wpa_s->valid_links & BIT(i)))
continue;
if (ether_addr_equal(wpa_s->links[i].bssid, bssid))
return true;
}
wpa_printf(MSG_DEBUG, "RRM: MLD: no match for TSF BSSID=" MACSTR,
MAC2STR(bssid));
return false;
}
int wpas_beacon_rep_scan_process(struct wpa_supplicant *wpa_s,
struct wpa_scan_results *scan_res,
struct scan_info *info)
@ -1533,8 +1556,7 @@ int wpas_beacon_rep_scan_process(struct wpa_supplicant *wpa_s,
MAC2STR(info->scan_start_tsf_bssid),
MAC2STR(wpa_s->current_bss->bssid));
if ((wpa_s->drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_BEACON_REPORT) &&
!ether_addr_equal(info->scan_start_tsf_bssid,
wpa_s->current_bss->bssid)) {
!wpas_beacon_rep_scan_match(wpa_s, info->scan_start_tsf_bssid)) {
wpa_printf(MSG_DEBUG,
"RRM: Ignore scan results due to mismatching TSF BSSID");
goto out;
@ -1549,8 +1571,8 @@ int wpas_beacon_rep_scan_process(struct wpa_supplicant *wpa_s,
if ((wpa_s->drv_rrm_flags &
WPA_DRIVER_FLAGS_SUPPORT_BEACON_REPORT) &&
!ether_addr_equal(scan_res->res[i]->tsf_bssid,
wpa_s->current_bss->bssid)) {
!wpas_beacon_rep_scan_match(wpa_s,
scan_res->res[i]->tsf_bssid)) {
wpa_printf(MSG_DEBUG,
"RRM: Ignore scan result for " MACSTR
" due to mismatching TSF BSSID" MACSTR,