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AP MLD: Handle disassociation notification with SME offload to driver

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For non-AP MLDs, clear STA entry from all affiliated links.

For legacy non-MLO case, find association link to clear the STA entry.

Signed-off-by: Chenming Huang <quic_chenhuan@quicinc.com>
This commit is contained in:
Chenming Huang 2023-09-28 13:07:01 +05:30 committed by Jouni Malinen
parent 8aff823649
commit 7ceafb6e9f
1 changed files with 91 additions and 7 deletions
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98
src/ap/drv_callbacks.c
View file

@ -910,6 +910,54 @@ fail:
}
static void hostapd_remove_sta(struct hostapd_data *hapd, struct sta_info *sta)
{
ap_sta_set_authorized(hapd, sta, 0);
sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
hostapd_set_sta_flags(hapd, sta);
wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
ap_free_sta(hapd, sta);
}
#ifdef CONFIG_IEEE80211BE
static void hostapd_notif_disassoc_mld(struct hostapd_data *assoc_hapd,
struct sta_info *sta,
const u8 *addr)
{
unsigned int link_id, i;
struct hostapd_data *tmp_hapd;
struct hapd_interfaces *interfaces = assoc_hapd->iface->interfaces;
/* Remove STA entry in non-assoc links */
for (link_id = 0; link_id < MAX_NUM_MLD_LINKS; link_id++) {
if (!sta->mld_info.links[link_id].valid)
continue;
for (i = 0; i < interfaces->count; i++) {
struct sta_info *tmp_sta;
tmp_hapd = interfaces->iface[i]->bss[0];
if (!tmp_hapd->conf->mld_ap ||
assoc_hapd == tmp_hapd ||
assoc_hapd->conf->mld_id != tmp_hapd->conf->mld_id)
continue;
tmp_sta = ap_get_sta(tmp_hapd, addr);
if (tmp_sta)
ap_free_sta(tmp_hapd, tmp_sta);
}
}
/* Remove STA in assoc link */
hostapd_remove_sta(assoc_hapd, sta);
}
#endif /* CONFIG_IEEE80211BE */
void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
{
struct sta_info *sta;
@ -931,6 +979,48 @@ void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
HOSTAPD_LEVEL_INFO, "disassociated");
sta = ap_get_sta(hapd, addr);
#ifdef CONFIG_IEEE80211BE
if (hostapd_is_mld_ap(hapd)) {
struct hostapd_data *assoc_hapd;
unsigned int i;
if (!sta) {
/* Find non-MLO cases from any of the affiliated AP
* links. */
for (i = 0; i < hapd->iface->interfaces->count; ++i) {
struct hostapd_iface *h =
hapd->iface->interfaces->iface[i];
struct hostapd_data *h_hapd = h->bss[0];
struct hostapd_bss_config *hconf = h_hapd->conf;
if (!hconf->mld_ap ||
hconf->mld_id != hapd->conf->mld_id)
continue;
sta = ap_get_sta(h_hapd, addr);
if (sta) {
if (!sta->mld_info.mld_sta) {
hapd = h_hapd;
goto legacy;
}
break;
}
}
}
if (!sta) {
wpa_printf(MSG_DEBUG,
"Disassociation notification for unknown STA "
MACSTR, MAC2STR(addr));
return;
}
sta = hostapd_ml_get_assoc_sta(hapd, sta, &assoc_hapd);
if (sta)
hostapd_notif_disassoc_mld(assoc_hapd, sta, addr);
return;
}
legacy:
#endif /* CONFIG_IEEE80211BE */
if (sta == NULL) {
wpa_printf(MSG_DEBUG,
"Disassociation notification for unknown STA "
@ -938,13 +1028,7 @@ void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
return;
}
ap_sta_set_authorized(hapd, sta, 0);
sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
hostapd_set_sta_flags(hapd, sta);
wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
ap_free_sta(hapd, sta);
hostapd_remove_sta(hapd, sta);
}