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Interworking: Store HESSID in BSS entry

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This makes it more convenient to match BSS entries that belong to the
same homogenous ESS.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2012-09-04 17:08:58 +03:00 committed by Jouni Malinen
parent 7e414b21c2
commit c739d7e968
2 changed files with 21 additions and 0 deletions
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19
wpa_supplicant/bss.c
View file

@ -35,6 +35,22 @@
#define WPA_BSS_IES_CHANGED_FLAG BIT(8)
static void wpa_bss_set_hessid(struct wpa_bss *bss)
{
#ifdef CONFIG_INTERWORKING
const u8 *ie = wpa_bss_get_ie(bss, WLAN_EID_INTERWORKING);
if (ie == NULL || (ie[1] != 7 && ie[1] != 9)) {
os_memset(bss->hessid, 0, ETH_ALEN);
return;
}
if (ie[1] == 7)
os_memcpy(bss->hessid, ie + 3, ETH_ALEN);
else
os_memcpy(bss->hessid, ie + 5, ETH_ALEN);
#endif /* CONFIG_INTERWORKING */
}
struct wpa_bss_anqp * wpa_bss_anqp_alloc(void)
{
struct wpa_bss_anqp *anqp;
@ -227,6 +243,7 @@ static struct wpa_bss * wpa_bss_add(struct wpa_supplicant *wpa_s,
bss->ie_len = res->ie_len;
bss->beacon_ie_len = res->beacon_ie_len;
os_memcpy(bss + 1, res + 1, res->ie_len + res->beacon_ie_len);
wpa_bss_set_hessid(bss);
dl_list_add_tail(&wpa_s->bss, &bss->list);
dl_list_add_tail(&wpa_s->bss_id, &bss->list_id);
@ -407,6 +424,8 @@ static void wpa_bss_update(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
}
dl_list_add(prev, &bss->list_id);
}
if (changes & WPA_BSS_IES_CHANGED_FLAG)
wpa_bss_set_hessid(bss);
dl_list_add_tail(&wpa_s->bss, &bss->list);
notify_bss_changes(wpa_s, changes, bss);

2
wpa_supplicant/bss.h
View file

@ -47,6 +47,7 @@ struct wpa_bss_anqp {
* @flags: information flags about the BSS/IBSS (WPA_BSS_*)
* @last_update_idx: Index of the last scan update
* @bssid: BSSID
* @hessid: HESSID
* @freq: frequency of the channel in MHz (e.g., 2412 = channel 1)
* @beacon_int: beacon interval in TUs (host byte order)
* @caps: capability information field in host byte order
@ -69,6 +70,7 @@ struct wpa_bss {
unsigned int last_update_idx;
unsigned int flags;
u8 bssid[ETH_ALEN];
u8 hessid[ETH_ALEN];
u8 ssid[32];
size_t ssid_len;
int freq;