openbsd_wlan/net80211/ieee80211_proto.c

208 ieee80211_fix_rate(struct ieee80211com *ic, struct ieee80211_node *ni,
227 	srs = &ic->ic_sup_rates[ieee80211_chan2mode(ic, ni->ni_chan)];
228 	nrs = &ni->ni_rates;
365 	struct ieee80211_node *ni = ic->ic_bss;
375 	ni->ni_rsn_supp_state = RSNA_SUPP_PTKSTART;
383 	if ((ni = ieee80211_find_node(ic, macaddr)) == NULL) {
388 	if (ni->ni_state != IEEE80211_STA_ASSOC ||
389 	    ni->ni_rsn_state != RSNA_AUTHENTICATION_2) {
390 		DPRINTF(("unexpected in state %d\n", ni->ni_rsn_state));
393 	ni->ni_rsn_state = RSNA_INITPMK;
396 	if ((pmk = ieee80211_pmksa_find(ic, ni, NULL)) == NULL) {
398 		IEEE80211_SEND_MGMT(ic, ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
400 		ieee80211_node_leave(ic, ni);
403 	memcpy(ni->ni_pmk, pmk->pmk_key, IEEE80211_PMK_LEN);
404 	memcpy(ni->ni_pmkid, pmk->pmk_pmkid, IEEE80211_PMKID_LEN);
405 	ni->ni_flags |= IEEE80211_NODE_PMK;
408 	return ieee80211_send_4way_msg1(ic, ni);
417 ieee80211_node_gtk_rekey(void *arg, struct ieee80211_node *ni)
421 	if (ni->ni_state != IEEE80211_STA_ASSOC ||
422 	    ni->ni_rsn_gstate != RSNA_IDLE)
426 	ni->ni_flags |= IEEE80211_NODE_REKEY;
427 	if (ieee80211_send_group_msg1(ic, ni) != 0)
428 		ni->ni_flags &= ~IEEE80211_NODE_REKEY;
523 	struct ieee80211_node *ni = arg;
524 	struct ieee80211com *ic = ni->ni_ic;
528 	if (++ni->ni_sa_query_count >= 3) {
529 		ni->ni_flags &= ~IEEE80211_NODE_SA_QUERY;
530 		ni->ni_flags |= IEEE80211_NODE_SA_QUERY_FAILED;
532 		ieee80211_sa_query_request(ic, ni);
541 ieee80211_sa_query_request(struct ieee80211com *ic, struct ieee80211_node *ni)
545 	if (!(ni->ni_flags & IEEE80211_NODE_SA_QUERY)) {
546 		ni->ni_flags |= IEEE80211_NODE_SA_QUERY;
547 		ni->ni_flags &= ~IEEE80211_NODE_SA_QUERY_FAILED;
548 		ni->ni_sa_query_count = 0;
551 	ni->ni_sa_query_trid++;
554 	IEEE80211_SEND_ACTION(ic, ni, IEEE80211_CATEG_SA_QUERY,
556 	timeout_add_msec(&ni->ni_sa_query_to, 10);
561 ieee80211_ht_negotiate(struct ieee80211com *ic, struct ieee80211_node *ni)
565 	ni->ni_flags &= ~(IEEE80211_NODE_HT | IEEE80211_NODE_HT_SGI20 |
581 	if (!ieee80211_node_supports_ht(ni)) {
589 			if (isset(ni->ni_basic_mcs, i) &&
606 	    (ni->ni_rsnciphers & IEEE80211_CIPHER_USEGROUP ||
607 	    ni->ni_rsnciphers & IEEE80211_CIPHER_TKIP)) {
612 	ni->ni_flags |= IEEE80211_NODE_HT;
614 	if (ieee80211_node_supports_ht_sgi20(ni) &&
616 		ni->ni_flags |= IEEE80211_NODE_HT_SGI20;
617 	if (ieee80211_node_supports_ht_sgi40(ni) &&
619 		ni->ni_flags |= IEEE80211_NODE_HT_SGI40;
623 ieee80211_vht_negotiate(struct ieee80211com *ic, struct ieee80211_node *ni)
627 	ni->ni_flags &= ~(IEEE80211_NODE_VHT | IEEE80211_NODE_VHT_SGI80 |
642 	if (!ieee80211_node_supports_vht(ni)) {
650 			uint16_t basic_mcs = (ni->ni_vht_basic_mcs &
664 	ni->ni_flags |= IEEE80211_NODE_VHT;
666 	if ((ni->ni_vhtcaps & IEEE80211_VHTCAP_SGI80) &&
668 		ni->ni_flags |= IEEE80211_NODE_VHT_SGI80;
669 	if ((ni->ni_vhtcaps & IEEE80211_VHTCAP_SGI160) &&
671 		ni->ni_flags |= IEEE80211_NODE_VHT_SGI160;
678 	struct ieee80211_node *ni = ba->ba_ni;
679 	struct ieee80211com *ic = ni->ni_ic;
684 	tid = ((caddr_t)ba - (caddr_t)ni->ni_tx_ba) / sizeof(*ba);
688 		if (ni->ni_addba_req_intval[tid] <
690 			ni->ni_addba_req_intval[tid]++;
695 		IEEE80211_SEND_ACTION(ic, ni, IEEE80211_CATEG_BA,
701 		ieee80211_delba_request(ic, ni, IEEE80211_REASON_TIMEOUT,
711 	struct ieee80211_node *ni = ba->ba_ni;
712 	struct ieee80211com *ic = ni->ni_ic;
721 	tid = ((caddr_t)ba - (caddr_t)ni->ni_rx_ba) / sizeof(*ba);
722 	ieee80211_delba_request(ic, ni, IEEE80211_REASON_TIMEOUT, 0, tid);
731 ieee80211_addba_request(struct ieee80211com *ic, struct ieee80211_node *ni,
734 	struct ieee80211_tx_ba *ba = &ni->ni_tx_ba[tid];
742 	ba->ba_ni = ni;
760 		int err = ic->ic_ampdu_tx_start(ic, ni, tid);
763 			ieee80211_addba_resp_refuse(ic, ni, tid,
766 			ieee80211_addba_resp_accept(ic, ni, tid);
771 	IEEE80211_SEND_ACTION(ic, ni, IEEE80211_CATEG_BA,
780 ieee80211_delba_request(struct ieee80211com *ic, struct ieee80211_node *ni,
787 		IEEE80211_SEND_ACTION(ic, ni, IEEE80211_CATEG_BA,
793 			ic->ic_ampdu_tx_stop(ic, ni, tid);
794 		ieee80211_node_tx_ba_clear(ni, tid);
797 		struct ieee80211_rx_ba *ba = &ni->ni_rx_ba[tid];
801 			ic->ic_ampdu_rx_stop(ic, ni, tid);
823     struct ieee80211_node *ni, uint16_t seq)
827 	IEEE80211_SEND_MGMT(ic, ni, IEEE80211_FC0_SUBTYPE_AUTH, seq + 1);
831 		    ether_sprintf((u_int8_t *)ni->ni_macaddr),
832 		    ni->ni_state != IEEE80211_STA_CACHE ?
834 	ieee80211_node_newstate(ni, IEEE80211_STA_AUTH);
881     struct ieee80211_node *ni, struct ieee80211_rxinfo *rxi, u_int16_t seq,
901 			ni->ni_rsn_supp_state = RSNA_SUPP_PTKSTART;
917 		if (ni == ic->ic_bss) {
918 			ni = ieee80211_find_node(ic, wh->i_addr2);
919 			if (ni == NULL)
920 				ni = ieee80211_alloc_node(ic, wh->i_addr2);
921 			if (ni == NULL) {
924 			IEEE80211_ADDR_COPY(ni->ni_bssid, ic->ic_bss->ni_bssid);
925 			ni->ni_rssi = rxi->rxi_rssi;
926 			ni->ni_rstamp = rxi->rxi_tstamp;
927 			ni->ni_chan = ic->ic_bss->ni_chan;
935 		if (ic->ic_newauth && ic->ic_newauth(ic, ni,
936 		    ni->ni_state != IEEE80211_STA_CACHE, seq) != 0)
938 		ieee80211_auth_open_confirm(ic, ni, seq);
965 			if (ni != ic->ic_bss)
966 				ni->ni_fails++;
1004 ieee80211_stop_ampdu_tx(struct ieee80211com *ic, struct ieee80211_node *ni,
1009 	for (tid = 0; tid < nitems(ni->ni_tx_ba); tid++) {
1010 		struct ieee80211_tx_ba *ba = &ni->ni_tx_ba[tid];
1016 				ic->ic_ampdu_tx_stop(ic, ni, tid);
1020 		ieee80211_delba_request(ic, ni,
1027     struct ieee80211_node *ni)
1038 	if (ni->ni_rsn_supp_state != RSNA_SUPP_PTKNEGOTIATING)
1041 	ni->ni_assoc_fail |= IEEE80211_NODE_ASSOCFAIL_WPA_KEY;
1043 	if (ni != ic->ic_bss)
1057 	struct ieee80211_node *ni;
1073 	ni = ic->ic_bss;			/* NB: no reference held */
1088 			ieee80211_stop_ampdu_tx(ic, ni, mgt);
1089 			ieee80211_ba_del(ni);
1092 				IEEE80211_SEND_MGMT(ic, ni,
1099 				RBT_FOREACH(ni, ieee80211_tree, &ic->ic_tree) {
1100 					if (ni->ni_state != IEEE80211_STA_ASSOC)
1102 					IEEE80211_SEND_MGMT(ic, ni,
1118 				IEEE80211_SEND_MGMT(ic, ni,
1125 				RBT_FOREACH(ni, ieee80211_tree, &ic->ic_tree) {
1126 					IEEE80211_SEND_MGMT(ic, ni,
1144 			ieee80211_ba_del(ni);
1153 		ni->ni_rsn_supp_state = RSNA_SUPP_INITIALIZE;
1154 		ni->ni_assoc_fail = 0;
1161 		IEEE80211_ADDR_COPY(ni->ni_macaddr, etherbroadcastaddr);
1162 		IEEE80211_ADDR_COPY(ni->ni_bssid, etherbroadcastaddr);
1163 		ni->ni_rates = ic->ic_sup_rates[
1164 			ieee80211_chan2mode(ic, ni->ni_chan)];
1165 		ni->ni_associd = 0;
1166 		ni->ni_rstamp = 0;
1167 		ni->ni_rsn_supp_state = RSNA_SUPP_INITIALIZE;
1187 				IEEE80211_SEND_MGMT(ic, ni,
1201 			ieee80211_stop_ampdu_tx(ic, ni, mgt);
1207 			ni = ieee80211_find_node(ic, ic->ic_bss->ni_macaddr);
1208 			if (ni != NULL)
1209 				ni->ni_fails++;
1216 			ieee80211_check_wpa_supplicant_failure(ic, ni);
1217 		ni->ni_rsn_supp_state = RSNA_SUPP_INITIALIZE;
1228 			IEEE80211_SEND_MGMT(ic, ni,
1236 					IEEE80211_SEND_MGMT(ic, ni,
1249 			ieee80211_stop_ampdu_tx(ic, ni, mgt);
1250 			ieee80211_ba_del(ni);
1253 				IEEE80211_SEND_MGMT(ic, ni,
1259 				IEEE80211_SEND_MGMT(ic, ni,
1277 			IEEE80211_SEND_MGMT(ic, ni,
1281 			ieee80211_stop_ampdu_tx(ic, ni, mgt);
1282 			ieee80211_ba_del(ni);
1283 			IEEE80211_SEND_MGMT(ic, ni,
1302 			if (ni->ni_txrate >= ni->ni_rates.rs_nrates)
1304 				    __func__, ni->ni_txrate);
1310 				    ether_sprintf(ni->ni_bssid));
1312 				    ni->ni_esslen);
1313 				rate = ni->ni_rates.rs_rates[ni->ni_txrate] &
1316 				    ieee80211_chan2ieee(ic, ni->ni_chan));
1317 				if (ni->ni_flags & IEEE80211_NODE_HT)
1318 					printf(" start MCS %u", ni->ni_txmcs);
1329 				    (ni->ni_flags & IEEE80211_NODE_HT) ?
1331 				    (ni->ni_flags & IEEE80211_NODE_VHT) ?
1340 				ni->ni_assoc_fail = 0;