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AP MLD: Do not modify flags for link stations

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All the station flags other than WPA_STA_SHORT_PREAMBLE are relevant
only for the MLD station and not to the link stations (as these flags
are related to the MLD state and not the link state).

As for the WPA_STA_SHORT_PREAMBLE, since the station is an EHT
station, it must have short preamble.

Thus, do not propagate the flags change for link stations to the driver.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
This commit is contained in:
Ilan Peer 2023-11-28 12:14:09 +02:00 committed by Jouni Malinen
parent a40f64a198
commit 174a8fc416
1 changed files with 42 additions and 0 deletions
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42
src/ap/ap_drv_ops.c
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@ -265,9 +265,35 @@ int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
}
static bool hostapd_sta_is_link_sta(struct hostapd_data *hapd,
struct sta_info *sta)
{
#ifdef CONFIG_IEEE80211BE
if (hapd->conf->mld_ap && sta->mld_info.mld_sta &&
sta->mld_assoc_link_id != hapd->mld_link_id)
return true;
#endif /* CONFIG_IEEE80211BE */
return false;
}
int hostapd_set_authorized(struct hostapd_data *hapd,
struct sta_info *sta, int authorized)
{
/*
* The WPA_STA_AUTHORIZED flag is relevant only for the MLD station and
* not to the link stations (as the authorization is done between the
* MLD peers). Thus, do not propagate the change to the driver for the
* link stations.
*/
if (hostapd_sta_is_link_sta(hapd, sta)) {
wpa_printf(MSG_DEBUG,
"%s: Do not update link station flags (" MACSTR ")",
__func__, MAC2STR(sta->addr));
return 0;
}
if (authorized) {
return hostapd_sta_set_flags(hapd, sta->addr,
hostapd_sta_flags_to_drv(
@ -286,6 +312,22 @@ int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
int set_flags, total_flags, flags_and, flags_or;
total_flags = hostapd_sta_flags_to_drv(sta->flags);
set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
/*
* All the station flags other than WPA_STA_SHORT_PREAMBLE are relevant
* only for the MLD station and not to the link stations (as these flags
* are related to the MLD state and not the link state). As for the
* WPA_STA_SHORT_PREAMBLE, since the station is an EHT station, it must
* support short preamble. Thus, do not propagate the change to the
* driver for the link stations.
*/
if (hostapd_sta_is_link_sta(hapd, sta)) {
wpa_printf(MSG_DEBUG,
"%s: Do not update link station flags (" MACSTR ")",
__func__, MAC2STR(sta->addr));
return 0;
}
if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
sta->auth_alg == WLAN_AUTH_FT) &&
sta->flags & WLAN_STA_AUTHORIZED)