44 	struct ieee80211_sub_if_data *sdata = (void *) data;  in ieee80211_mesh_housekeeping_timer()  local
45 	struct ieee80211_local *local = sdata->local;  in ieee80211_mesh_housekeeping_timer()
46 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_mesh_housekeeping_timer()
50 	ieee80211_queue_work(&local->hw, &sdata->work);  in ieee80211_mesh_housekeeping_timer()
62 bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,  in mesh_matches_local()  argument
65 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in mesh_matches_local()
88 	ieee80211_sta_get_rates(sdata, ie, ieee80211_get_sdata_band(sdata),  in mesh_matches_local()
91 	if (sdata->vif.bss_conf.basic_rates != basic_rates)  in mesh_matches_local()
94 	ieee80211_ht_oper_to_chandef(sdata->vif.bss_conf.chandef.chan,  in mesh_matches_local()
97 	if (!cfg80211_chandef_compatible(&sdata->vif.bss_conf.chandef,  in mesh_matches_local()
122 u32 mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata)  in mesh_accept_plinks_update()  argument
133 	free_plinks = mesh_plink_availables(sdata);  in mesh_accept_plinks_update()
135 	if (free_plinks != sdata->u.mesh.accepting_plinks) {  in mesh_accept_plinks_update()
136 		sdata->u.mesh.accepting_plinks = free_plinks;  in mesh_accept_plinks_update()
150 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in mesh_sta_cleanup()  local
158 	changed = mesh_accept_plinks_update(sdata);  in mesh_sta_cleanup()
159 	if (!sdata->u.mesh.user_mpm) {  in mesh_sta_cleanup()
169 		ieee80211_mbss_info_change_notify(sdata, changed);  in mesh_sta_cleanup()
172 int mesh_rmc_init(struct ieee80211_sub_if_data *sdata)  in mesh_rmc_init()  argument
176 	sdata->u.mesh.rmc = kmalloc(sizeof(struct mesh_rmc), GFP_KERNEL);  in mesh_rmc_init()
177 	if (!sdata->u.mesh.rmc)  in mesh_rmc_init()
179 	sdata->u.mesh.rmc->idx_mask = RMC_BUCKETS - 1;  in mesh_rmc_init()
181 		INIT_LIST_HEAD(&sdata->u.mesh.rmc->bucket[i]);  in mesh_rmc_init()
185 void mesh_rmc_free(struct ieee80211_sub_if_data *sdata)  in mesh_rmc_free()  argument
187 	struct mesh_rmc *rmc = sdata->u.mesh.rmc;  in mesh_rmc_free()
191 	if (!sdata->u.mesh.rmc)  in mesh_rmc_free()
202 	sdata->u.mesh.rmc = NULL;  in mesh_rmc_free()
218 int mesh_rmc_check(struct ieee80211_sub_if_data *sdata,  in mesh_rmc_check()  argument
221 	struct mesh_rmc *rmc = sdata->u.mesh.rmc;  in mesh_rmc_check()
252 int mesh_add_meshconf_ie(struct ieee80211_sub_if_data *sdata,  in mesh_add_meshconf_ie()  argument
255 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in mesh_add_meshconf_ie()
299 int mesh_add_meshid_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)  in mesh_add_meshid_ie()  argument
301 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in mesh_add_meshid_ie()
316 static int mesh_add_awake_window_ie(struct ieee80211_sub_if_data *sdata,  in mesh_add_awake_window_ie()  argument
319 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in mesh_add_awake_window_ie()
339 int mesh_add_vendor_ies(struct ieee80211_sub_if_data *sdata,  in mesh_add_vendor_ies()  argument
342 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in mesh_add_vendor_ies()
363 int mesh_add_rsn_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)  in mesh_add_rsn_ie()  argument
365 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in mesh_add_rsn_ie()
386 static int mesh_add_ds_params_ie(struct ieee80211_sub_if_data *sdata,  in mesh_add_ds_params_ie()  argument
397 	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);  in mesh_add_ds_params_ie()
413 int mesh_add_ht_cap_ie(struct ieee80211_sub_if_data *sdata,  in mesh_add_ht_cap_ie()  argument
416 	struct ieee80211_local *local = sdata->local;  in mesh_add_ht_cap_ie()
417 	enum ieee80211_band band = ieee80211_get_sdata_band(sdata);  in mesh_add_ht_cap_ie()
423 	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||  in mesh_add_ht_cap_ie()
424 	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||  in mesh_add_ht_cap_ie()
425 	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)  in mesh_add_ht_cap_ie()
437 int mesh_add_ht_oper_ie(struct ieee80211_sub_if_data *sdata,  in mesh_add_ht_oper_ie()  argument
440 	struct ieee80211_local *local = sdata->local;  in mesh_add_ht_oper_ie()
444 		cfg80211_get_chandef_type(&sdata->vif.bss_conf.chandef);  in mesh_add_ht_oper_ie()
450 	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);  in mesh_add_ht_oper_ie()
468 	ieee80211_ie_build_ht_oper(pos, ht_cap, &sdata->vif.bss_conf.chandef,  in mesh_add_ht_oper_ie()
469 				   sdata->vif.bss_conf.ht_operation_mode);  in mesh_add_ht_oper_ie()
476 	struct ieee80211_sub_if_data *sdata =  in ieee80211_mesh_path_timer()  local
479 	ieee80211_queue_work(&sdata->local->hw, &sdata->work);  in ieee80211_mesh_path_timer()
484 	struct ieee80211_sub_if_data *sdata =  in ieee80211_mesh_path_root_timer()  local
486 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_mesh_path_root_timer()
490 	ieee80211_queue_work(&sdata->local->hw, &sdata->work);  in ieee80211_mesh_path_root_timer()
547 int ieee80211_new_mesh_header(struct ieee80211_sub_if_data *sdata,  in ieee80211_new_mesh_header()  argument
556 	meshhdr->ttl = sdata->u.mesh.mshcfg.dot11MeshTTL;  in ieee80211_new_mesh_header()
559 	put_unaligned(cpu_to_le32(sdata->u.mesh.mesh_seqnum), &meshhdr->seqnum);  in ieee80211_new_mesh_header()
560 	sdata->u.mesh.mesh_seqnum++;  in ieee80211_new_mesh_header()
576 static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata)  in ieee80211_mesh_housekeeping()  argument
578 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_mesh_housekeeping()
582 		ieee80211_sta_expire(sdata, ifmsh->mshcfg.plink_timeout * HZ);  in ieee80211_mesh_housekeeping()
583 	mesh_path_expire(sdata);  in ieee80211_mesh_housekeeping()
585 	changed = mesh_accept_plinks_update(sdata);  in ieee80211_mesh_housekeeping()
586 	ieee80211_mbss_info_change_notify(sdata, changed);  in ieee80211_mesh_housekeeping()
593 static void ieee80211_mesh_rootpath(struct ieee80211_sub_if_data *sdata)  in ieee80211_mesh_rootpath()  argument
595 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_mesh_rootpath()
598 	mesh_path_tx_root_frame(sdata);  in ieee80211_mesh_rootpath()
620 	struct ieee80211_sub_if_data *sdata;  in ieee80211_mesh_build_beacon()  local
624 	sdata = container_of(ifmsh, struct ieee80211_sub_if_data, u.mesh);  in ieee80211_mesh_build_beacon()
626 	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);  in ieee80211_mesh_build_beacon()
665 	memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);  in ieee80211_mesh_build_beacon()
666 	memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);  in ieee80211_mesh_build_beacon()
667 	ieee80211_mps_set_frame_flags(sdata, NULL, (void *) mgmt);  in ieee80211_mesh_build_beacon()
669 		cpu_to_le16(sdata->vif.bss_conf.beacon_int);  in ieee80211_mesh_build_beacon()
671 		sdata->u.mesh.security ? WLAN_CAPABILITY_PRIVACY : 0);  in ieee80211_mesh_build_beacon()
707 	if (ieee80211_add_srates_ie(sdata, skb, true, band) ||  in ieee80211_mesh_build_beacon()
708 	    mesh_add_ds_params_ie(sdata, skb))  in ieee80211_mesh_build_beacon()
718 	if (ieee80211_add_ext_srates_ie(sdata, skb, true, band) ||  in ieee80211_mesh_build_beacon()
719 	    mesh_add_rsn_ie(sdata, skb) ||  in ieee80211_mesh_build_beacon()
720 	    mesh_add_ht_cap_ie(sdata, skb) ||  in ieee80211_mesh_build_beacon()
721 	    mesh_add_ht_oper_ie(sdata, skb) ||  in ieee80211_mesh_build_beacon()
722 	    mesh_add_meshid_ie(sdata, skb) ||  in ieee80211_mesh_build_beacon()
723 	    mesh_add_meshconf_ie(sdata, skb) ||  in ieee80211_mesh_build_beacon()
724 	    mesh_add_awake_window_ie(sdata, skb) ||  in ieee80211_mesh_build_beacon()
725 	    mesh_add_vendor_ies(sdata, skb))  in ieee80211_mesh_build_beacon()
743 ieee80211_mesh_rebuild_beacon(struct ieee80211_sub_if_data *sdata)  in ieee80211_mesh_rebuild_beacon()  argument
748 	old_bcn = rcu_dereference_protected(sdata->u.mesh.beacon,  in ieee80211_mesh_rebuild_beacon()
749 					    lockdep_is_held(&sdata->wdev.mtx));  in ieee80211_mesh_rebuild_beacon()
750 	ret = ieee80211_mesh_build_beacon(&sdata->u.mesh);  in ieee80211_mesh_rebuild_beacon()
760 void ieee80211_mbss_info_change_notify(struct ieee80211_sub_if_data *sdata,  in ieee80211_mbss_info_change_notify()  argument
763 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_mbss_info_change_notify()
774 	ieee80211_queue_work(&sdata->local->hw, &sdata->work);  in ieee80211_mbss_info_change_notify()
777 int ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)  in ieee80211_start_mesh()  argument
779 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_start_mesh()
780 	struct ieee80211_local *local = sdata->local;  in ieee80211_start_mesh()
799 	ieee80211_queue_work(&local->hw, &sdata->work);  in ieee80211_start_mesh()
800 	sdata->vif.bss_conf.ht_operation_mode =  in ieee80211_start_mesh()
802 	sdata->vif.bss_conf.enable_beacon = true;  in ieee80211_start_mesh()
804 	changed |= ieee80211_mps_local_status_update(sdata);  in ieee80211_start_mesh()
807 		ieee80211_stop_mesh(sdata);  in ieee80211_start_mesh()
811 	ieee80211_recalc_dtim(local, sdata);  in ieee80211_start_mesh()
812 	ieee80211_bss_info_change_notify(sdata, changed);  in ieee80211_start_mesh()
814 	netif_carrier_on(sdata->dev);  in ieee80211_start_mesh()
818 void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)  in ieee80211_stop_mesh()  argument
820 	struct ieee80211_local *local = sdata->local;  in ieee80211_stop_mesh()
821 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_stop_mesh()
824 	netif_carrier_off(sdata->dev);  in ieee80211_stop_mesh()
828 	sdata->vif.bss_conf.enable_beacon = false;  in ieee80211_stop_mesh()
829 	clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);  in ieee80211_stop_mesh()
830 	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);  in ieee80211_stop_mesh()
832 					lockdep_is_held(&sdata->wdev.mtx));  in ieee80211_stop_mesh()
837 	sta_info_flush(sdata);  in ieee80211_stop_mesh()
838 	mesh_path_flush_by_iface(sdata);  in ieee80211_stop_mesh()
844 	del_timer_sync(&sdata->u.mesh.housekeeping_timer);  in ieee80211_stop_mesh()
845 	del_timer_sync(&sdata->u.mesh.mesh_path_root_timer);  in ieee80211_stop_mesh()
846 	del_timer_sync(&sdata->u.mesh.mesh_path_timer);  in ieee80211_stop_mesh()
858 ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,  in ieee80211_mesh_process_chnswitch()  argument
863 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_mesh_process_chnswitch()
864 	enum ieee80211_band band = ieee80211_get_sdata_band(sdata);  in ieee80211_mesh_process_chnswitch()
868 	sdata_assert_lock(sdata);  in ieee80211_mesh_process_chnswitch()
871 	switch (sdata->vif.bss_conf.chandef.width) {  in ieee80211_mesh_process_chnswitch()
883 	err = ieee80211_parse_ch_switch_ie(sdata, elems, band,  in ieee80211_mesh_process_chnswitch()
884 					   sta_flags, sdata->vif.addr,  in ieee80211_mesh_process_chnswitch()
894 	if (!cfg80211_chandef_usable(sdata->local->hw.wiphy, &params.chandef,  in ieee80211_mesh_process_chnswitch()
896 		sdata_info(sdata,  in ieee80211_mesh_process_chnswitch()
898 			   sdata->vif.addr,  in ieee80211_mesh_process_chnswitch()
906 	err = cfg80211_chandef_dfs_required(sdata->local->hw.wiphy,  in ieee80211_mesh_process_chnswitch()
918 				       &sdata->vif.bss_conf.chandef)) {  in ieee80211_mesh_process_chnswitch()
919 		mcsa_dbg(sdata,  in ieee80211_mesh_process_chnswitch()
924 	mcsa_dbg(sdata,  in ieee80211_mesh_process_chnswitch()
941 	if (ieee80211_channel_switch(sdata->local->hw.wiphy, sdata->dev,  in ieee80211_mesh_process_chnswitch()
949 ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata,  in ieee80211_mesh_rx_probe_req()  argument
952 	struct ieee80211_local *local = sdata->local;  in ieee80211_mesh_rx_probe_req()
953 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_mesh_rx_probe_req()
972 	if ((!ether_addr_equal(mgmt->da, sdata->vif.addr) &&  in ieee80211_mesh_rx_probe_req()
1001 	ieee80211_tx_skb(sdata, presp);  in ieee80211_mesh_rx_probe_req()
1006 static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,  in ieee80211_mesh_rx_bcn_presp()  argument
1012 	struct ieee80211_local *local = sdata->local;  in ieee80211_mesh_rx_bcn_presp()
1013 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_mesh_rx_bcn_presp()
1022 	    !ether_addr_equal(mgmt->da, sdata->vif.addr))  in ieee80211_mesh_rx_bcn_presp()
1034 	    (elems.rsn && sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) ||  in ieee80211_mesh_rx_bcn_presp()
1035 	    (!elems.rsn && sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE))  in ieee80211_mesh_rx_bcn_presp()
1048 	if (mesh_matches_local(sdata, &elems))  in ieee80211_mesh_rx_bcn_presp()
1049 		mesh_neighbour_update(sdata, mgmt->sa, &elems);  in ieee80211_mesh_rx_bcn_presp()
1052 		ifmsh->sync_ops->rx_bcn_presp(sdata,  in ieee80211_mesh_rx_bcn_presp()
1056 	    !sdata->vif.csa_active)  in ieee80211_mesh_rx_bcn_presp()
1057 		ieee80211_mesh_process_chnswitch(sdata, &elems, true);  in ieee80211_mesh_rx_bcn_presp()
1060 int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata)  in ieee80211_mesh_finish_csa()  argument
1062 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_mesh_finish_csa()
1076 	ret = ieee80211_mesh_rebuild_beacon(sdata);  in ieee80211_mesh_finish_csa()
1082 	mcsa_dbg(sdata, "complete switching to center freq %d MHz",  in ieee80211_mesh_finish_csa()
1083 		 sdata->vif.bss_conf.chandef.chan->center_freq);  in ieee80211_mesh_finish_csa()
1087 int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata,  in ieee80211_mesh_csa_beacon()  argument
1090 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_mesh_csa_beacon()
1104 	ret = ieee80211_mesh_rebuild_beacon(sdata);  in ieee80211_mesh_csa_beacon()
1115 static int mesh_fwd_csa_frame(struct ieee80211_sub_if_data *sdata,  in mesh_fwd_csa_frame()  argument
1120 	struct ieee80211_local *local = sdata->local;  in mesh_fwd_csa_frame()
1140 	memcpy(mgmt_fwd->sa, sdata->vif.addr, ETH_ALEN);  in mesh_fwd_csa_frame()
1141 	memcpy(mgmt_fwd->bssid, sdata->vif.addr, ETH_ALEN);  in mesh_fwd_csa_frame()
1143 	ieee80211_tx_skb(sdata, skb);  in mesh_fwd_csa_frame()
1147 static void mesh_rx_csa_frame(struct ieee80211_sub_if_data *sdata,  in mesh_rx_csa_frame()  argument
1150 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in mesh_rx_csa_frame()
1176 	if (!sdata->vif.csa_active &&  in mesh_rx_csa_frame()
1177 	    !ieee80211_mesh_process_chnswitch(sdata, &elems, false)) {  in mesh_rx_csa_frame()
1178 		mcsa_dbg(sdata, "Failed to process CSA action frame");  in mesh_rx_csa_frame()
1184 		if (mesh_fwd_csa_frame(sdata, mgmt, len) < 0)  in mesh_rx_csa_frame()
1185 			mcsa_dbg(sdata, "Failed to forward the CSA frame");  in mesh_rx_csa_frame()
1189 static void ieee80211_mesh_rx_mgmt_action(struct ieee80211_sub_if_data *sdata,  in ieee80211_mesh_rx_mgmt_action()  argument
1200 			mesh_rx_plink_frame(sdata, mgmt, len, rx_status);  in ieee80211_mesh_rx_mgmt_action()
1206 			mesh_rx_path_sel_frame(sdata, mgmt, len);  in ieee80211_mesh_rx_mgmt_action()
1209 		mesh_rx_csa_frame(sdata, mgmt, len);  in ieee80211_mesh_rx_mgmt_action()
1214 void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,  in ieee80211_mesh_rx_queued_mgmt()  argument
1221 	sdata_lock(sdata);  in ieee80211_mesh_rx_queued_mgmt()
1224 	if (!sdata->u.mesh.mesh_id_len)  in ieee80211_mesh_rx_queued_mgmt()
1234 		ieee80211_mesh_rx_bcn_presp(sdata, stype, mgmt, skb->len,  in ieee80211_mesh_rx_queued_mgmt()
1238 		ieee80211_mesh_rx_probe_req(sdata, mgmt, skb->len);  in ieee80211_mesh_rx_queued_mgmt()
1241 		ieee80211_mesh_rx_mgmt_action(sdata, mgmt, skb->len, rx_status);  in ieee80211_mesh_rx_queued_mgmt()
1245 	sdata_unlock(sdata);  in ieee80211_mesh_rx_queued_mgmt()
1248 static void mesh_bss_info_changed(struct ieee80211_sub_if_data *sdata)  in mesh_bss_info_changed()  argument
1250 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in mesh_bss_info_changed()
1259 	if (sdata->vif.bss_conf.enable_beacon &&  in mesh_bss_info_changed()
1264 		if (ieee80211_mesh_rebuild_beacon(sdata))  in mesh_bss_info_changed()
1267 	ieee80211_bss_info_change_notify(sdata, changed);  in mesh_bss_info_changed()
1270 void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata)  in ieee80211_mesh_work()  argument
1272 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_mesh_work()
1274 	sdata_lock(sdata);  in ieee80211_mesh_work()
1277 	if (!sdata->u.mesh.mesh_id_len)  in ieee80211_mesh_work()
1283 		mesh_path_start_discovery(sdata);  in ieee80211_mesh_work()
1292 		ieee80211_mesh_housekeeping(sdata);  in ieee80211_mesh_work()
1295 		ieee80211_mesh_rootpath(sdata);  in ieee80211_mesh_work()
1298 		mesh_sync_adjust_tbtt(sdata);  in ieee80211_mesh_work()
1301 		mesh_bss_info_changed(sdata);  in ieee80211_mesh_work()
1303 	sdata_unlock(sdata);  in ieee80211_mesh_work()
1307 void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)  in ieee80211_mesh_init_sdata()  argument
1309 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_mesh_init_sdata()
1314 		    (unsigned long) sdata);  in ieee80211_mesh_init_sdata()
1318 	mesh_rmc_init(sdata);  in ieee80211_mesh_init_sdata()
1327 		    (unsigned long) sdata);  in ieee80211_mesh_init_sdata()
1330 		    (unsigned long) sdata);  in ieee80211_mesh_init_sdata()
1337 	sdata->vif.bss_conf.bssid = zero_addr;  in ieee80211_mesh_init_sdata()