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MLD: Do not consider ignored BSSs for links when parsing RNR info

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This avoids, e.g., trying to use a BSS that is rejected by mac80211 as a
link, which could fail the connection as a whole.

Note that this is not perfect. Ideally, the internal state would have a
more context sensitive ignore flag so that one could still use a BSS as
a link in some situation.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
This commit is contained in:
Benjamin Berg 2023-11-21 01:51:27 +02:00 committed by Jouni Malinen
parent 92d8d1d760
commit e6eebd0d5c
1 changed files with 9 additions and 5 deletions
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8
wpa_supplicant/bss.c
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@ -18,6 +18,7 @@
#include "config.h"
#include "notify.h"
#include "scan.h"
#include "bssid_ignore.h"
#include "bss.h"
static void wpa_bss_set_hessid(struct wpa_bss *bss)
@ -1535,13 +1536,16 @@ wpa_bss_parse_ml_rnr_ap_info(struct wpa_supplicant *wpa_s,
wpa_printf(MSG_DEBUG, "MLD: mld ID=%u, link ID=%u",
*mld_params, link_id);
if (!neigh_bss) {
*missing |= BIT(link_id);
} else if (!ssid ||
} else if ((!ssid ||
(bss_params & (RNR_BSS_PARAM_SAME_SSID |
RNR_BSS_PARAM_CO_LOCATED)) ||
wpa_scan_res_match(wpa_s, 0, neigh_bss,
ssid, 1, 0)) {
ssid, 1, 0)) &&
!wpa_bssid_ignore_is_listed(
wpa_s, neigh_bss->bssid)) {
struct mld_link *l;
l = &bss->mld_links[bss->n_mld_links];