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AP MLD: Handle driver events for interface enable/disable

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When an interface is enabled, keys are reconfigured, if required, and
beaconing is started again. With MLO, this needs to be done for each of
the affiliated links. Before starting the beaconing, the link needs to
be added back first.

Similarly, when the interface is disabled, hostapd removes the keys and
set the BSS state to disabled. However, for an AP MLD interface, this
needs to be done for each of the affiliated link BSS.

Handle the interface enable/disable driver event for AP MLD.

Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
This commit is contained in:
Aditya Kumar Singh 2024-04-25 15:45:20 +05:30 committed by Jouni Malinen
parent e9984e3db2
commit 2d290f1966
1 changed files with 62 additions and 0 deletions
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62
src/ap/drv_callbacks.c
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@ -2464,6 +2464,56 @@ static void hostapd_iface_disable(struct hostapd_data *hapd)
}
#ifdef CONFIG_IEEE80211BE
static void hostapd_mld_iface_enable(struct hostapd_data *hapd)
{
struct hostapd_data *first_link, *link_bss;
first_link = hostapd_mld_is_first_bss(hapd) ? hapd :
hostapd_mld_get_first_bss(hapd);
/* Links have been removed. Re-add all links and enable them, but
* enable the first link BSS before doing that. */
if (hostapd_drv_link_add(first_link, first_link->mld_link_id,
first_link->own_addr)) {
wpa_printf(MSG_ERROR, "MLD: Failed to re-add link %d in MLD %s",
first_link->mld_link_id, first_link->conf->iface);
return;
}
hostapd_iface_enable(first_link);
/* Add other affiliated links */
for_each_mld_link(link_bss, first_link) {
if (link_bss == first_link)
continue;
if (hostapd_drv_link_add(link_bss, link_bss->mld_link_id,
link_bss->own_addr)) {
wpa_printf(MSG_ERROR,
"MLD: Failed to re-add link %d in MLD %s",
link_bss->mld_link_id,
link_bss->conf->iface);
continue;
}
hostapd_iface_enable(link_bss);
}
}
static void hostapd_mld_iface_disable(struct hostapd_data *hapd)
{
struct hostapd_data *link_bss;
for_each_mld_link(link_bss, hapd)
hostapd_iface_disable(link_bss);
}
#endif /* CONFIG_IEEE80211BE */
void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
union wpa_event_data *data)
{
@ -2741,9 +2791,21 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
break;
#endif /* NEED_AP_MLME */
case EVENT_INTERFACE_ENABLED:
#ifdef CONFIG_IEEE80211BE
if (hapd->conf->mld_ap) {
hostapd_mld_iface_enable(hapd);
break;
}
#endif /* CONFIG_IEEE80211BE */
hostapd_iface_enable(hapd);
break;
case EVENT_INTERFACE_DISABLED:
#ifdef CONFIG_IEEE80211BE
if (hapd->conf->mld_ap) {
hostapd_mld_iface_disable(hapd);
break;
}
#endif /* CONFIG_IEEE80211BE */
hostapd_iface_disable(hapd);
break;
#ifdef CONFIG_ACS