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WNM: Add sending of BSS Transition Management Query

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The new control interface command can be used to send a
BSS Transition Management Query frame to the current AP.

Signed-hostap: Vinayak Kamath <vkamat@codeaurora.org>
This commit is contained in:
Vinayak Kamath 2013-05-16 17:50:31 +03:00 • committed by Jouni Malinen
parent e27d20bb68
commit 65bcd0a92d
5 changed files with 69 additions and 0 deletions
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35
wpa_supplicant/wnm_sta.c
View file

@ -681,6 +681,41 @@ static void ieee802_11_rx_bss_trans_mgmt_req(struct wpa_supplicant *wpa_s,
}
int wnm_send_bss_transition_mgmt_query(struct wpa_supplicant *wpa_s,
u8 query_reason)
{
u8 buf[1000], *pos;
struct ieee80211_mgmt *mgmt;
size_t len;
int ret;
wpa_printf(MSG_DEBUG, "WNM: Send BSS Transition Management Query to "
MACSTR " query_reason=%u",
MAC2STR(wpa_s->bssid), query_reason);
mgmt = (struct ieee80211_mgmt *) buf;
os_memset(&buf, 0, sizeof(buf));
os_memcpy(mgmt->da, wpa_s->bssid, ETH_ALEN);
os_memcpy(mgmt->sa, wpa_s->own_addr, ETH_ALEN);
os_memcpy(mgmt->bssid, wpa_s->bssid, ETH_ALEN);
mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_ACTION);
mgmt->u.action.category = WLAN_ACTION_WNM;
mgmt->u.action.u.bss_tm_query.action = WNM_BSS_TRANS_MGMT_QUERY;
mgmt->u.action.u.bss_tm_query.dialog_token = 0;
mgmt->u.action.u.bss_tm_query.query_reason = query_reason;
pos = mgmt->u.action.u.bss_tm_query.variable;
len = pos - (u8 *) &mgmt->u.action.category;
ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid,
wpa_s->own_addr, wpa_s->bssid,
&mgmt->u.action.category, len, 0);
return ret;
}
void ieee802_11_rx_wnm_action(struct wpa_supplicant *wpa_s,
struct rx_action *action)
{