wpa/wpa_supplicant/offchannel.c

22 wpas_get_tx_interface(struct wpa_supplicant *wpa_s, const u8 *src)
26 	if (os_memcmp(src, wpa_s->own_addr, ETH_ALEN) == 0) {
28 		if (wpa_s->p2p_mgmt && wpa_s != wpa_s->parent &&
29 		    wpa_s->parent->ap_iface &&
30 		    os_memcmp(wpa_s->parent->own_addr,
31 			      wpa_s->own_addr, ETH_ALEN) == 0 &&
32 		    wpabuf_len(wpa_s->pending_action_tx) >= 2 &&
33 		    *wpabuf_head_u8(wpa_s->pending_action_tx) !=
43 				   wpa_s->parent->ifname, wpa_s->ifname);
44 			return wpa_s->parent;
47 		return wpa_s;
53 	iface = wpa_s->global->ifaces;
62 			   iface->ifname, wpa_s->ifname);
66 	return wpa_s;
72 	struct wpa_supplicant *wpa_s = eloop_ctx;
77 	without_roc = wpa_s->pending_action_without_roc;
78 	wpa_s->pending_action_without_roc = 0;
81 		   without_roc, wpa_s->pending_action_tx,
82 		   !!wpa_s->pending_action_tx_done);
84 	if (wpa_s->pending_action_tx == NULL || wpa_s->pending_action_tx_done)
96 	iface = wpas_get_tx_interface(wpa_s, wpa_s->pending_action_src);
98 	if (wpa_s->off_channel_freq != wpa_s->pending_action_freq &&
99 	    wpa_s->pending_action_freq != 0 &&
100 	    wpa_s->pending_action_freq != iface->assoc_freq) {
104 			   wpa_s->pending_action_freq,
105 			   wpa_s->off_channel_freq,
107 		if (without_roc && wpa_s->off_channel_freq == 0) {
117 			if (wpa_s->extra_roc_dur) {
121 					   duration + wpa_s->extra_roc_dur);
122 				duration += wpa_s->extra_roc_dur;
126 				    wpa_s, wpa_s->pending_action_freq,
131 					   "TX", wpa_s->pending_action_freq);
133 				wpa_s->off_channel_freq = 0;
134 				wpa_s->roc_waiting_drv_freq =
135 					wpa_s->pending_action_freq;
143 		   MAC2STR(wpa_s->pending_action_dst), iface->ifname,
144 		   wpa_s->pending_action_tx);
145 	res = wpa_drv_send_action(iface, wpa_s->pending_action_freq, 0,
146 				  wpa_s->pending_action_dst,
147 				  wpa_s->pending_action_src,
148 				  wpa_s->pending_action_bssid,
149 				  wpabuf_head(wpa_s->pending_action_tx),
150 				  wpabuf_len(wpa_s->pending_action_tx),
151 				  wpa_s->pending_action_no_cck);
160 			wpa_s, wpa_s->pending_action_dst,
161 			wpabuf_head(wpa_s->pending_action_tx),
162 			wpabuf_len(wpa_s->pending_action_tx),
170  * @wpa_s: Pointer to wpa_supplicant data
180 	struct wpa_supplicant *wpa_s, const u8 *dst, const u8 *data,
183 	if (wpa_s->pending_action_tx == NULL) {
189 	if (os_memcmp(dst, wpa_s->pending_action_dst, ETH_ALEN) != 0) {
196 	if (data_len - wpabuf_len(wpa_s->pending_action_tx) != 24 ||
197 	    os_memcmp(data + 24, wpabuf_head(wpa_s->pending_action_tx),
198 		      wpabuf_len(wpa_s->pending_action_tx)) != 0) {
204 				wpa_s->pending_action_tx);
211 		   wpa_s->pending_action_tx);
213 			wpa_s->pending_action_tx);
214 	wpabuf_free(wpa_s->pending_action_tx);
215 	wpa_s->pending_action_tx = NULL;
218 		   result, wpa_s->pending_action_tx_status_cb);
220 	if (wpa_s->pending_action_tx_status_cb) {
221 		wpa_s->pending_action_tx_status_cb(
222 			wpa_s, wpa_s->pending_action_freq,
223 			wpa_s->pending_action_dst, wpa_s->pending_action_src,
224 			wpa_s->pending_action_bssid,
229 	if (wpa_s->p2p_long_listen > 0) {
232 		wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen);
240  * @wpa_s: Pointer to wpa_supplicant data
259 int offchannel_send_action(struct wpa_supplicant *wpa_s, unsigned int freq,
262 			   void (*tx_cb)(struct wpa_supplicant *wpa_s,
275 	wpa_s->pending_action_tx_status_cb = tx_cb;
277 	if (wpa_s->pending_action_tx) {
280 			   MAC2STR(wpa_s->pending_action_dst),
281 			   wpa_s->pending_action_tx);
283 				wpa_s->pending_action_tx);
284 		wpabuf_free(wpa_s->pending_action_tx);
286 	wpa_s->pending_action_tx_done = 0;
287 	wpa_s->pending_action_tx = wpabuf_alloc(len);
288 	if (wpa_s->pending_action_tx == NULL) {
294 	wpabuf_put_data(wpa_s->pending_action_tx, buf, len);
295 	os_memcpy(wpa_s->pending_action_src, src, ETH_ALEN);
296 	os_memcpy(wpa_s->pending_action_dst, dst, ETH_ALEN);
297 	os_memcpy(wpa_s->pending_action_bssid, bssid, ETH_ALEN);
298 	wpa_s->pending_action_freq = freq;
299 	wpa_s->pending_action_no_cck = no_cck;
303 		   MAC2STR(dst), wpa_s->pending_action_tx);
305 			wpa_s->pending_action_tx);
307 	if (freq != 0 && wpa_s->drv_flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) {
311 		iface = wpas_get_tx_interface(wpa_s, src);
312 		wpa_s->action_tx_wait_time = wait_time;
314 			wpa_s->action_tx_wait_time_used = 1;
317 			iface, wpa_s->pending_action_freq,
318 			wait_time, wpa_s->pending_action_dst,
319 			wpa_s->pending_action_src, wpa_s->pending_action_bssid,
320 			wpabuf_head(wpa_s->pending_action_tx),
321 			wpabuf_len(wpa_s->pending_action_tx),
322 			wpa_s->pending_action_no_cck);
324 			wpa_s->pending_action_tx_done = 1;
330 		tx_iface = wpas_get_tx_interface(wpa_s, src);
339 	if (wpa_s->off_channel_freq == freq || freq == 0) {
344 		wpa_s->pending_action_without_roc = 1;
345 		eloop_cancel_timeout(wpas_send_action_cb, wpa_s, NULL);
346 		eloop_register_timeout(0, 0, wpas_send_action_cb, wpa_s, NULL);
349 	wpa_s->pending_action_without_roc = 0;
351 	if (wpa_s->roc_waiting_drv_freq == freq) {
361 	if (wait_time > wpa_s->max_remain_on_chan)
362 		wait_time = wpa_s->max_remain_on_chan;
366 	if (wpa_s->extra_roc_dur) {
368 			   wait_time, wait_time + wpa_s->extra_roc_dur);
369 		wait_time += wpa_s->extra_roc_dur;
372 	if (wpa_drv_remain_on_channel(wpa_s, freq, wait_time) < 0) {
378 	wpa_s->off_channel_freq = 0;
379 	wpa_s->roc_waiting_drv_freq = freq;
387  * @wpa_s: Pointer to wpa_supplicant data
392 void offchannel_send_action_done(struct wpa_supplicant *wpa_s)
396 		   wpa_s->pending_action_tx,
397 		   !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX),
398 		   wpa_s->action_tx_wait_time, wpa_s->off_channel_freq,
399 		   wpa_s->roc_waiting_drv_freq);
400 	wpabuf_free(wpa_s->pending_action_tx);
401 	wpa_s->pending_action_tx = NULL;
402 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX &&
403 	    (wpa_s->action_tx_wait_time || wpa_s->action_tx_wait_time_used))
404 		wpa_drv_send_action_cancel_wait(wpa_s);
405 	else if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
406 		wpa_drv_cancel_remain_on_channel(wpa_s);
407 		wpa_s->off_channel_freq = 0;
408 		wpa_s->roc_waiting_drv_freq = 0;
410 	wpa_s->action_tx_wait_time_used = 0;
416  * @wpa_s: Pointer to wpa_supplicant data
423 void offchannel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
426 	wpa_s->roc_waiting_drv_freq = 0;
427 	wpa_s->off_channel_freq = freq;
428 	wpas_send_action_cb(wpa_s, NULL);
434  * @wpa_s: Pointer to wpa_supplicant data
440 void offchannel_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
443 	wpa_s->off_channel_freq = 0;
449  * @wpa_s: Pointer to wpa_supplicant data
457 const void * offchannel_pending_action_tx(struct wpa_supplicant *wpa_s)
459 	return wpa_s->pending_action_tx;
465  * @wpa_s: Pointer to wpa_supplicant data
467 void offchannel_clear_pending_action_tx(struct wpa_supplicant *wpa_s)
471 		   wpa_s->pending_action_tx);
472 	wpabuf_free(wpa_s->pending_action_tx);
473 	wpa_s->pending_action_tx = NULL;
479  * @wpa_s: Pointer to wpa_supplicant data
484 void offchannel_deinit(struct wpa_supplicant *wpa_s)
486 	offchannel_clear_pending_action_tx(wpa_s);
487 	eloop_cancel_timeout(wpas_send_action_cb, wpa_s, NULL);