freebsd_wlan/net80211/ieee80211_wds.c

86 wds_vdetach(struct ieee80211vap *vap)
88 	if (vap->iv_bss != NULL) {
90 		if (vap->iv_bss->ni_wdsvap == vap)
91 			vap->iv_bss->ni_wdsvap = NULL;
96 wds_vattach(struct ieee80211vap *vap)
98 	vap->iv_newstate = wds_newstate;
99 	vap->iv_input = wds_input;
100 	vap->iv_recv_mgmt = wds_recv_mgmt;
101 	vap->iv_opdetach = wds_vdetach;
127 ieee80211_create_wds(struct ieee80211vap *vap, struct ieee80211_channel *chan)
129 	struct ieee80211com *ic = vap->iv_ic;
133 	IEEE80211_DPRINTF(vap, IEEE80211_MSG_WDS,
135 	     ether_sprintf(vap->iv_des_bssid), ieee80211_chan2ieee(ic, chan));
137 	/* NB: vap create must specify the bssid for the link */
138 	KASSERT(vap->iv_flags & IEEE80211_F_DESBSSID, ("no bssid"));
140 	KASSERT(vap->iv_state == IEEE80211_S_RUN, ("!RUN state"));
142 	if ((vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY) == 0) {
145 		 * station specified by the desired bssid setup at vap
146 		 * create.  Point ni_wdsvap at the WDS vap so 4-address
147 		 * frames received through the associated AP vap will
149 		 * they arrived on the WDS vap.
153 		ni = ieee80211_find_node_locked(&ic->ic_sta, vap->iv_des_bssid);
159 			 * the vap to be destroyed.
161 			IEEE80211_DPRINTF(vap, IEEE80211_MSG_WDS,
163 			    __func__, ether_sprintf(vap->iv_des_bssid));
167 			 * Node already setup with a WDS vap; we cannot
173 			IEEE80211_DPRINTF(vap, IEEE80211_MSG_WDS,
175 			    __func__, ether_sprintf(vap->iv_des_bssid),
182 			obss = vap->iv_bss;
183 			vap->iv_bss = ni;
184 			ni->ni_wdsvap = vap;
193 		 * Legacy WDS vap setup.
197 		 * create a new node and install it as the vap's
202 		ni = ieee80211_node_create_wds(vap, vap->iv_des_bssid, chan);
204 			obss = vap->iv_bss;
205 			vap->iv_bss = ieee80211_ref_node(ni);
213 			if (vap->iv_auth->ia_node_join != NULL)
214 				vap->iv_auth->ia_node_join(ni);
232  * Propagate multicast frames of an ap vap to all DWDS links.
241 	struct ieee80211vap *vap;
250 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
252 		if (vap->iv_opmode != IEEE80211_M_WDS ||
253 		    (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))
256 		ifp = vap->iv_ifp;
268 		ni = ieee80211_find_txnode(vap, eh->ether_dhost);
277 			IEEE80211_DISCARD_MAC(vap,
281 			vap->iv_stats.is_tx_classify++;
294 		mcopy = ieee80211_encap(vap, ni, mcopy);
318  * to plumb the necessary WDS vap for this station.  Frames
319  * received prior to the vap set running will then be reprocessed
333 	 * XXX per/vap beacon interval?
343  * IEEE80211_M_WDS vap state machine handler.
346 wds_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
348 	struct ieee80211com *ic = vap->iv_ic;
354 	ostate = vap->iv_state;
355 	IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, "%s: %s -> %s\n", __func__,
357 	vap->iv_state = nstate;			/* state transition */
358 	callout_stop(&vap->iv_mgtsend);		/* XXX callout_drain */
360 		ieee80211_cancel_scan(vap);	/* background scan */
366 			ieee80211_cancel_scan(vap);
373 			ieee80211_reset_bss(vap);
379 			ieee80211_check_scan_current(vap);
391 			error = ieee80211_create_wds(vap, ic->ic_curchan);
414 	struct ieee80211vap *vap = ni->ni_vap;
416 	struct ifnet *ifp = vap->iv_ifp;
455 		IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY,
458 		vap->iv_stats.is_rx_tooshort++;
474 		IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY,
477 		vap->iv_stats.is_rx_badversion++;
485 	/* NB: WDS vap's do not scan */
487 		IEEE80211_DISCARD_MAC(vap,
490 		vap->iv_stats.is_rx_tooshort++;
494 	if (!IEEE80211_ADDR_EQ(wh->i_addr1, vap->iv_myaddr) &&
497 		IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
499 		vap->iv_stats.is_rx_wrongbss++;
517 			IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY,
520 			vap->iv_stats.is_rx_tooshort++;
524 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
526 			vap->iv_stats.is_rx_wrongdir++;
532 		if ((vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY) == 0) {
533 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
535 			vap->iv_stats.is_rx_wrongdir++;/*XXX*/
560 			if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) {
564 				IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
566 				vap->iv_stats.is_rx_noprivacy++;
606 		if (!ieee80211_crypto_demic(vap, key, m, 0)) {
607 			IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
609 			vap->iv_stats.is_rx_demicfail++;
615 		if (ieee80211_radiotap_active_vap(vap))
616 			ieee80211_radiotap_rx(vap, m);
622 		m = ieee80211_decap(vap, m, hdrspace);
629 			IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
631 			vap->iv_stats.is_rx_decap++;
646 				IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
650 				vap->iv_stats.is_rx_unauth++;
659 			if ((vap->iv_flags & IEEE80211_F_DROPUNENC) &&
666 				vap->iv_stats.is_rx_unencrypted++;
678 			m = ieee80211_decap_fastframe(vap, ni, m);
683 		ieee80211_deliver_data(vap, ni, m);
687 		vap->iv_stats.is_rx_mgmt++;
690 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
692 			vap->iv_stats.is_rx_wrongdir++;
696 			IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY,
699 			vap->iv_stats.is_rx_tooshort++;
703 		if (ieee80211_msg_debug(vap) || ieee80211_msg_dumppkts(vap)) {
710 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
712 			vap->iv_stats.is_rx_mgtdiscard++; /* XXX */
715 		vap->iv_recv_mgmt(ni, m, subtype, rxs, rssi, nf);
719 		vap->iv_stats.is_rx_ctl++;
724 		IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY,
733 		if (need_tap && ieee80211_radiotap_active_vap(vap))
734 			ieee80211_radiotap_rx(vap, m);
744 	struct ieee80211vap *vap = ni->ni_vap;
755 		if (ni == vap->iv_bss) {
756 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
758 			vap->iv_stats.is_rx_mgtdiscard++;
759 		} else if (!IEEE80211_ADDR_EQ(vap->iv_myaddr, wh->i_addr1)) {
761 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
763 			vap->iv_stats.is_rx_mgtdiscard++;
764 		} else if (vap->iv_state != IEEE80211_S_RUN) {
765 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
767 			    ieee80211_state_name[vap->iv_state]);
768 			vap->iv_stats.is_rx_mgtdiscard++;
787 		IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
789 		vap->iv_stats.is_rx_mgtdiscard++;
793 		IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY,
795 		vap->iv_stats.is_rx_badsubtype++;