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Store the VHT Operation element of an associated STA

Browse source 
APs and mesh peers use the VHT Operation element to advertise certain
channel properties (e.g., the bandwidth of the channel). Save this
information element so we can later access this information.

Signed-off-by: Mathy Vanhoef <Mathy.Vanhoef@cs.kuleuven.be>
This commit is contained in:
Mathy Vanhoef 2018-08-06 15:46:24 -04:00 committed by Jouni Malinen
parent d706e0d7a3
commit ad20a1367f
6 changed files with 32 additions and 0 deletions
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4
src/ap/ieee802_11.c
View file

@ -2485,6 +2485,10 @@ static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta,
if (resp != WLAN_STATUS_SUCCESS)
return resp;
resp = copy_sta_vht_oper(hapd, sta, elems.vht_operation);
if (resp != WLAN_STATUS_SUCCESS)
return resp;
resp = set_sta_vht_opmode(hapd, sta, elems.vht_opmode_notif);
if (resp != WLAN_STATUS_SUCCESS)
return resp;

2
src/ap/ieee802_11.h
View file

@ -80,6 +80,8 @@ void ht40_intolerant_add(struct hostapd_iface *iface, struct sta_info *sta);
void ht40_intolerant_remove(struct hostapd_iface *iface, struct sta_info *sta);
u16 copy_sta_vht_capab(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *vht_capab);
u16 copy_sta_vht_oper(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *vht_oper);
u16 set_sta_vht_opmode(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *vht_opmode);
void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,

23
src/ap/ieee802_11_vht.c
View file

@ -357,6 +357,29 @@ u16 copy_sta_vht_capab(struct hostapd_data *hapd, struct sta_info *sta,
}
u16 copy_sta_vht_oper(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *vht_oper)
{
if (!vht_oper) {
os_free(sta->vht_operation);
sta->vht_operation = NULL;
return WLAN_STATUS_SUCCESS;
}
if (!sta->vht_operation) {
sta->vht_operation =
os_zalloc(sizeof(struct ieee80211_vht_operation));
if (!sta->vht_operation)
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
os_memcpy(sta->vht_operation, vht_oper,
sizeof(struct ieee80211_vht_operation));
return WLAN_STATUS_SUCCESS;
}
u16 copy_sta_vendor_vht(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *ie, size_t len)
{

1
src/ap/sta_info.c
View file

@ -328,6 +328,7 @@ void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
os_free(sta->ht_capabilities);
os_free(sta->vht_capabilities);
os_free(sta->vht_operation);
hostapd_free_psk_list(sta->psk);
os_free(sta->identity);
os_free(sta->radius_cui);

1
src/ap/sta_info.h
View file

@ -162,6 +162,7 @@ struct sta_info {
struct ieee80211_ht_capabilities *ht_capabilities;
struct ieee80211_vht_capabilities *vht_capabilities;
struct ieee80211_vht_operation *vht_operation;
u8 vht_opmode;
#ifdef CONFIG_IEEE80211W

1
wpa_supplicant/mesh_mpm.c
View file

@ -699,6 +699,7 @@ static struct sta_info * mesh_mpm_add_peer(struct wpa_supplicant *wpa_s,
#ifdef CONFIG_IEEE80211AC
copy_sta_vht_capab(data, sta, elems->vht_capabilities);
copy_sta_vht_oper(data, sta, elems->vht_operation);
set_sta_vht_opmode(data, sta, elems->vht_opmode_notif);
#endif /* CONFIG_IEEE80211AC */