sys/net80211/ieee80211_wds.c

84 wds_vdetach(struct ieee80211vap *vap)
86 	if (vap->iv_bss != NULL) {
88 		if (vap->iv_bss->ni_wdsvap == vap)
89 			vap->iv_bss->ni_wdsvap = NULL;
94 wds_vattach(struct ieee80211vap *vap)
96 	vap->iv_newstate = wds_newstate;
97 	vap->iv_input = wds_input;
98 	vap->iv_recv_mgmt = wds_recv_mgmt;
99 	vap->iv_opdetach = wds_vdetach;
125 ieee80211_create_wds(struct ieee80211vap *vap, struct ieee80211_channel *chan)
127 	struct ieee80211com *ic = vap->iv_ic;
131 	IEEE80211_DPRINTF(vap, IEEE80211_MSG_WDS,
133 	     ether_sprintf(vap->iv_des_bssid), ieee80211_chan2ieee(ic, chan));
135 	/* NB: vap create must specify the bssid for the link */
136 	KASSERT(vap->iv_flags & IEEE80211_F_DESBSSID, ("no bssid"));
138 	KASSERT(vap->iv_state == IEEE80211_S_RUN, ("!RUN state"));
140 	if ((vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY) == 0) {
143 		 * station specified by the desired bssid setup at vap
144 		 * create.  Point ni_wdsvap at the WDS vap so 4-address
145 		 * frames received through the associated AP vap will
147 		 * they arrived on the WDS vap.
151 		ni = ieee80211_find_node_locked(&ic->ic_sta, vap->iv_des_bssid);
157 			 * the vap to be destroyed.
159 			IEEE80211_DPRINTF(vap, IEEE80211_MSG_WDS,
161 			    __func__, ether_sprintf(vap->iv_des_bssid));
165 			 * Node already setup with a WDS vap; we cannot
171 			IEEE80211_DPRINTF(vap, IEEE80211_MSG_WDS,
173 			    __func__, ether_sprintf(vap->iv_des_bssid),
180 			obss = vap->iv_bss;
181 			vap->iv_bss = ni;
182 			ni->ni_wdsvap = vap;
191 		 * Legacy WDS vap setup.
195 		 * create a new node and install it as the vap's
200 		ni = ieee80211_node_create_wds(vap, vap->iv_des_bssid, chan);
202 			obss = vap->iv_bss;
203 			vap->iv_bss = ieee80211_ref_node(ni);
211 			if (vap->iv_auth->ia_node_join != NULL)
212 				vap->iv_auth->ia_node_join(ni);
230  * Propagate multicast frames of an ap vap to all DWDS links.
239 	struct ieee80211vap *vap;
248 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
250 		if (vap->iv_opmode != IEEE80211_M_WDS ||
251 		    (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))
254 		ifp = vap->iv_ifp;
266 		ni = ieee80211_find_txnode(vap, eh->ether_dhost);
275 			IEEE80211_DISCARD_MAC(vap,
279 			vap->iv_stats.is_tx_classify++;
292 		mcopy = ieee80211_encap(vap, ni, mcopy);
316  * to plumb the necessary WDS vap for this station.  Frames
317  * received prior to the vap set running will then be reprocessed
331 	 * XXX per/vap beacon interval?
341  * IEEE80211_M_WDS vap state machine handler.
344 wds_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
346 	struct ieee80211com *ic = vap->iv_ic;
352 	ostate = vap->iv_state;
353 	IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, "%s: %s -> %s\n", __func__,
355 	vap->iv_state = nstate;			/* state transition */
356 	callout_stop(&vap->iv_mgtsend);		/* XXX callout_drain */
358 		ieee80211_cancel_scan(vap);	/* background scan */
364 			ieee80211_cancel_scan(vap);
371 			ieee80211_reset_bss(vap);
377 			ieee80211_check_scan_current(vap);
389 			error = ieee80211_create_wds(vap, ic->ic_curchan);
412 	struct ieee80211vap *vap = ni->ni_vap;
414 	struct ifnet *ifp = vap->iv_ifp;
443 		IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY,
446 		vap->iv_stats.is_rx_tooshort++;
462 		IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY,
465 		vap->iv_stats.is_rx_badversion++;
473 	/* NB: WDS vap's do not scan */
475 		IEEE80211_DISCARD_MAC(vap,
478 		vap->iv_stats.is_rx_tooshort++;
482 	if (!IEEE80211_ADDR_EQ(wh->i_addr1, vap->iv_myaddr) &&
485 		IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
487 		vap->iv_stats.is_rx_wrongbss++;
505 			IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY,
508 			vap->iv_stats.is_rx_tooshort++;
512 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
514 			vap->iv_stats.is_rx_wrongdir++;
520 		if ((vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY) == 0) {
521 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
523 			vap->iv_stats.is_rx_wrongdir++;/*XXX*/
548 			if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) {
552 				IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
554 				vap->iv_stats.is_rx_noprivacy++;
594 		if (key != NULL && !ieee80211_crypto_demic(vap, key, m, 0)) {
595 			IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
597 			vap->iv_stats.is_rx_demicfail++;
603 		if (ieee80211_radiotap_active_vap(vap))
604 			ieee80211_radiotap_rx(vap, m);
610 		m = ieee80211_decap(vap, m, hdrspace);
617 			IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
619 			vap->iv_stats.is_rx_decap++;
634 				IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
638 				vap->iv_stats.is_rx_unauth++;
647 			if ((vap->iv_flags & IEEE80211_F_DROPUNENC) &&
653 				vap->iv_stats.is_rx_unencrypted++;
665 			m = ieee80211_decap_fastframe(vap, ni, m);
670 		ieee80211_deliver_data(vap, ni, m);
674 		vap->iv_stats.is_rx_mgmt++;
677 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
679 			vap->iv_stats.is_rx_wrongdir++;
683 			IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY,
686 			vap->iv_stats.is_rx_tooshort++;
690 		if (ieee80211_msg_debug(vap) || ieee80211_msg_dumppkts(vap)) {
697 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
699 			vap->iv_stats.is_rx_mgtdiscard++; /* XXX */
702 		vap->iv_recv_mgmt(ni, m, subtype, rxs, rssi, nf);
706 		vap->iv_stats.is_rx_ctl++;
711 		IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY,
720 		if (need_tap && ieee80211_radiotap_active_vap(vap))
721 			ieee80211_radiotap_rx(vap, m);
731 	struct ieee80211vap *vap = ni->ni_vap;
742 		if (ni == vap->iv_bss) {
743 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
745 			vap->iv_stats.is_rx_mgtdiscard++;
746 		} else if (!IEEE80211_ADDR_EQ(vap->iv_myaddr, wh->i_addr1)) {
748 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
750 			vap->iv_stats.is_rx_mgtdiscard++;
751 		} else if (vap->iv_state != IEEE80211_S_RUN) {
752 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
754 			    ieee80211_state_name[vap->iv_state]);
755 			vap->iv_stats.is_rx_mgtdiscard++;
774 		IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
776 		vap->iv_stats.is_rx_mgtdiscard++;
780 		IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY,
782 		vap->iv_stats.is_rx_badsubtype++;