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VHT: Store VHT capabilities and manage VHT flag for STAs 

Signed-hostap: Mahesh Palivela <maheshp@posedge.com>
This commit is contained in:
Mahesh Palivela 2012-08-10 19:49:18 +03:00 committed by Jouni Malinen
parent 6c93c38d7c
commit de3cdf354a
4 changed files with 39 additions and 0 deletions
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7
src/ap/ieee802_11.c
View File

@ -648,6 +648,13 @@ static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta,
}
#endif /* CONFIG_IEEE80211N */
#ifdef CONFIG_IEEE80211AC
resp = copy_sta_vht_capab(hapd, sta, elems.vht_capabilities,
elems.vht_capabilities_len);
if (resp != WLAN_STATUS_SUCCESS)
return resp;
#endif /* CONFIG_IEEE80211AC */
if ((hapd->conf->wpa & WPA_PROTO_RSN) && elems.rsn_ie) {
wpa_ie = elems.rsn_ie;
wpa_ie_len = elems.rsn_ie_len;

2
src/ap/ieee802_11.h
View File

@ -56,6 +56,8 @@ void hostapd_get_ht_capab(struct hostapd_data *hapd,
u16 copy_sta_ht_capab(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *ht_capab, size_t ht_capab_len);
void update_ht_state(struct hostapd_data *hapd, struct sta_info *sta);
u16 copy_sta_vht_capab(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *vht_capab, size_t vht_capab_len);
void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
const u8 *buf, size_t len, int ack);
void hostapd_eapol_tx_status(struct hostapd_data *hapd, const u8 *dst,

28
src/ap/ieee802_11_vht.c
View File

@ -70,3 +70,31 @@ u8 * hostapd_eid_vht_operation(struct hostapd_data *hapd, u8 *eid)
return pos;
}
u16 copy_sta_vht_capab(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *vht_capab, size_t vht_capab_len)
{
/* Disable VHT caps for STAs associated to no-VHT BSSes. */
if (!vht_capab ||
vht_capab_len < sizeof(struct ieee80211_vht_capabilities) ||
hapd->conf->disable_11ac) {
sta->flags &= ~WLAN_STA_VHT;
os_free(sta->vht_capabilities);
sta->vht_capabilities = NULL;
return WLAN_STATUS_SUCCESS;
}
if (sta->vht_capabilities == NULL) {
sta->vht_capabilities =
os_zalloc(sizeof(struct ieee80211_vht_capabilities));
if (sta->vht_capabilities == NULL)
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
sta->flags |= WLAN_STA_VHT;
os_memcpy(sta->vht_capabilities, vht_capab,
sizeof(struct ieee80211_vht_capabilities));
return WLAN_STATUS_SUCCESS;
}

2
src/ap/sta_info.h
View File

@ -28,6 +28,7 @@
#define WLAN_STA_ASSOC_REQ_OK BIT(15)
#define WLAN_STA_WPS2 BIT(16)
#define WLAN_STA_GAS BIT(17)
#define WLAN_STA_VHT BIT(18)
#define WLAN_STA_PENDING_DISASSOC_CB BIT(29)
#define WLAN_STA_PENDING_DEAUTH_CB BIT(30)
#define WLAN_STA_NONERP BIT(31)
@ -97,6 +98,7 @@ struct sta_info {
u8 *psk; /* PSK from RADIUS authentication server */
struct ieee80211_ht_capabilities *ht_capabilities;
struct ieee80211_vht_capabilities *vht_capabilities;
#ifdef CONFIG_IEEE80211W
int sa_query_count; /* number of pending SA Query requests;