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AP MLD: Remove link stations on a new station authentication

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When a station tries to authenticate to an AP that is affiliated with an
AP MLD, we need to remove all station instances from all the APs.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
This commit is contained in:
Ilan Peer 2023-12-25 19:43:02 +02:00 • committed by Jouni Malinen
parent c6f519ff15
commit 38711a011f
1 changed files with 34 additions and 0 deletions
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34
src/ap/sta_info.c
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@ -1715,6 +1715,34 @@ int ap_sta_pending_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd,
} }
#ifdef CONFIG_IEEE80211BE
static void ap_sta_remove_link_sta(struct hostapd_data *hapd,
struct sta_info *sta)
{
struct hostapd_data *tmp_hapd;
unsigned int i, j;
for_each_mld_link(tmp_hapd, i, j, hapd->iface->interfaces,
hapd->conf->mld_id) {
struct sta_info *tmp_sta;
if (hapd == tmp_hapd)
continue;
for (tmp_sta = tmp_hapd->sta_list; tmp_sta;
tmp_sta = tmp_sta->next) {
if (tmp_sta == sta ||
os_memcmp(tmp_sta->addr, sta->addr, ETH_ALEN) != 0)
continue;
ap_free_sta(tmp_hapd, tmp_sta);
break;
}
}
}
#endif /* CONFIG_IEEE80211BE */
int ap_sta_re_add(struct hostapd_data *hapd, struct sta_info *sta) int ap_sta_re_add(struct hostapd_data *hapd, struct sta_info *sta)
{ {
const u8 *mld_link_addr = NULL; const u8 *mld_link_addr = NULL;
@ -1734,6 +1762,12 @@ int ap_sta_re_add(struct hostapd_data *hapd, struct sta_info *sta)
mld_link_sta = sta->mld_assoc_link_id != mld_link_id; mld_link_sta = sta->mld_assoc_link_id != mld_link_id;
mld_link_addr = sta->mld_info.links[mld_link_id].peer_addr; mld_link_addr = sta->mld_info.links[mld_link_id].peer_addr;
/*
* In case the AP is affiliated with an AP MLD, we need to
* remove the station from all relevant links/APs.
*/
ap_sta_remove_link_sta(hapd, sta);
} }
#endif /* CONFIG_IEEE80211BE */ #endif /* CONFIG_IEEE80211BE */