88 	msecs_to_jiffies(sdata->u.mesh.mshcfg.min_discovery_timeout)
90 	msecs_to_jiffies(sdata->u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval)
107 				  struct ieee80211_sub_if_data *sdata)  in mesh_path_sel_frame_tx()  argument
109 	struct ieee80211_local *local = sdata->local;  in mesh_path_sel_frame_tx()
128 	memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);  in mesh_path_sel_frame_tx()
130 	memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);  in mesh_path_sel_frame_tx()
137 		mhwmp_dbg(sdata, "sending PREQ to %pM\n", target);  in mesh_path_sel_frame_tx()
143 		mhwmp_dbg(sdata, "sending PREP to %pM\n", orig_addr);  in mesh_path_sel_frame_tx()
149 		mhwmp_dbg(sdata, "sending RANN from %pM\n", orig_addr);  in mesh_path_sel_frame_tx()
195 	ieee80211_tx_skb(sdata, skb);  in mesh_path_sel_frame_tx()
202 static void prepare_frame_for_deferred_tx(struct ieee80211_sub_if_data *sdata,  in prepare_frame_for_deferred_tx()  argument
216 	info->control.vif = &sdata->vif;  in prepare_frame_for_deferred_tx()
218 	ieee80211_set_qos_hdr(sdata, skb);  in prepare_frame_for_deferred_tx()
219 	ieee80211_mps_set_frame_flags(sdata, NULL, hdr);  in prepare_frame_for_deferred_tx()
236 int mesh_path_error_tx(struct ieee80211_sub_if_data *sdata,  in mesh_path_error_tx()  argument
240 	struct ieee80211_local *local = sdata->local;  in mesh_path_error_tx()
242 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in mesh_path_error_tx()
252 			    sdata->encrypt_headroom +  in mesh_path_error_tx()
258 	skb_reserve(skb, local->tx_headroom + sdata->encrypt_headroom);  in mesh_path_error_tx()
265 	memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);  in mesh_path_error_tx()
267 	memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);  in mesh_path_error_tx()
291 	prepare_frame_for_deferred_tx(sdata, skb);  in mesh_path_error_tx()
365 static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,  in hwmp_route_info_get()  argument
369 	struct ieee80211_local *local = sdata->local;  in hwmp_route_info_get()
380 	sta = sta_info_get(sdata, mgmt->sa);  in hwmp_route_info_get()
417 	if (ether_addr_equal(orig_addr, sdata->vif.addr)) {  in hwmp_route_info_get()
424 		mpath = mesh_path_lookup(sdata, orig_addr);  in hwmp_route_info_get()
459 			mpath = mesh_path_add(sdata, orig_addr);  in hwmp_route_info_get()
491 		mpath = mesh_path_lookup(sdata, ta);  in hwmp_route_info_get()
499 			mpath = mesh_path_add(sdata, ta);  in hwmp_route_info_get()
524 static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,  in hwmp_preq_frame_process()  argument
528 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in hwmp_preq_frame_process()
548 	mhwmp_dbg(sdata, "received PREQ from %pM\n", orig_addr);  in hwmp_preq_frame_process()
550 	if (ether_addr_equal(target_addr, sdata->vif.addr)) {  in hwmp_preq_frame_process()
551 		mhwmp_dbg(sdata, "PREQ is for us\n");  in hwmp_preq_frame_process()
556 					net_traversal_jiffies(sdata)) ||  in hwmp_preq_frame_process()
565 		mpath = mesh_path_lookup(sdata, orig_addr);  in hwmp_preq_frame_process()
569 				target_addr = sdata->vif.addr;  in hwmp_preq_frame_process()
580 		mpath = mesh_path_lookup(sdata, target_addr);  in hwmp_preq_frame_process()
602 			mhwmp_dbg(sdata, "replying to the PREQ\n");  in hwmp_preq_frame_process()
607 					       sdata);  in hwmp_preq_frame_process()
623 		mhwmp_dbg(sdata, "forwarding the PREQ from %pM\n", orig_addr);  in hwmp_preq_frame_process()
638 				       orig_metric, preq_id, sdata);  in hwmp_preq_frame_process()
656 static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,  in hwmp_prep_frame_process()  argument
660 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in hwmp_prep_frame_process()
667 	mhwmp_dbg(sdata, "received PREP from %pM\n",  in hwmp_prep_frame_process()
671 	if (ether_addr_equal(orig_addr, sdata->vif.addr))  in hwmp_prep_frame_process()
680 		sdata->u.mesh.mshstats.dropped_frames_ttl++;  in hwmp_prep_frame_process()
685 	mpath = mesh_path_lookup(sdata, orig_addr);  in hwmp_prep_frame_process()
706 			       ttl, lifetime, metric, 0, sdata);  in hwmp_prep_frame_process()
709 	sdata->u.mesh.mshstats.fwded_unicast++;  in hwmp_prep_frame_process()
710 	sdata->u.mesh.mshstats.fwded_frames++;  in hwmp_prep_frame_process()
715 	sdata->u.mesh.mshstats.dropped_frames_no_route++;  in hwmp_prep_frame_process()
718 static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,  in hwmp_perr_frame_process()  argument
722 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in hwmp_perr_frame_process()
741 	mpath = mesh_path_lookup(sdata, target_addr);  in hwmp_perr_frame_process()
759 			mesh_path_error_tx(sdata, ttl, target_addr,  in hwmp_perr_frame_process()
769 static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,  in hwmp_rann_frame_process()  argument
773 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in hwmp_rann_frame_process()
774 	struct ieee80211_local *local = sdata->local;  in hwmp_rann_frame_process()
793 	if (ether_addr_equal(orig_addr, sdata->vif.addr))  in hwmp_rann_frame_process()
796 	mhwmp_dbg(sdata,  in hwmp_rann_frame_process()
801 	sta = sta_info_get(sdata, mgmt->sa);  in hwmp_rann_frame_process()
809 	mpath = mesh_path_lookup(sdata, orig_addr);  in hwmp_rann_frame_process()
811 		mpath = mesh_path_add(sdata, orig_addr);  in hwmp_rann_frame_process()
814 			sdata->u.mesh.mshstats.dropped_frames_no_route++;  in hwmp_rann_frame_process()
827 				  root_path_confirmation_jiffies(sdata)) ||  in hwmp_rann_frame_process()
830 		mhwmp_dbg(sdata,  in hwmp_rann_frame_process()
858 				       metric + metric_txsta, 0, sdata);  in hwmp_rann_frame_process()
865 void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,  in mesh_rx_path_sel_frame()  argument
878 	sta = sta_info_get(sdata, mgmt->sa);  in mesh_rx_path_sel_frame()
893 		path_metric = hwmp_route_info_get(sdata, mgmt, elems.preq,  in mesh_rx_path_sel_frame()
896 			hwmp_preq_frame_process(sdata, mgmt, elems.preq,  in mesh_rx_path_sel_frame()
903 		path_metric = hwmp_route_info_get(sdata, mgmt, elems.prep,  in mesh_rx_path_sel_frame()
906 			hwmp_prep_frame_process(sdata, mgmt, elems.prep,  in mesh_rx_path_sel_frame()
913 		hwmp_perr_frame_process(sdata, mgmt, elems.perr);  in mesh_rx_path_sel_frame()
916 		hwmp_rann_frame_process(sdata, mgmt, elems.rann);  in mesh_rx_path_sel_frame()
930 	struct ieee80211_sub_if_data *sdata = mpath->sdata;  in mesh_queue_preq()  local
931 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in mesh_queue_preq()
936 		mhwmp_dbg(sdata, "could not allocate PREQ node\n");  in mesh_queue_preq()
945 			mhwmp_dbg(sdata, "PREQ node queue full\n");  in mesh_queue_preq()
967 	if (time_after(jiffies, ifmsh->last_preq + min_preq_int_jiff(sdata)))  in mesh_queue_preq()
968 		ieee80211_queue_work(&sdata->local->hw, &sdata->work);  in mesh_queue_preq()
974 		ifmsh->last_preq = jiffies - min_preq_int_jiff(sdata) - 1;  in mesh_queue_preq()
975 		ieee80211_queue_work(&sdata->local->hw, &sdata->work);  in mesh_queue_preq()
978 						min_preq_int_jiff(sdata));  in mesh_queue_preq()
986 void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)  in mesh_path_start_discovery()  argument
988 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in mesh_path_start_discovery()
998 				min_preq_int_jiff(sdata))) {  in mesh_path_start_discovery()
1010 	mpath = mesh_path_lookup(sdata, preq_node->dst);  in mesh_path_start_discovery()
1024 			mpath->discovery_timeout = disc_timeout_jiff(sdata);  in mesh_path_start_discovery()
1036 				net_traversal_jiffies(sdata)) ||  in mesh_path_start_discovery()
1039 		sdata->u.mesh.last_sn_update = jiffies;  in mesh_path_start_discovery()
1041 	lifetime = default_lifetime(sdata);  in mesh_path_start_discovery()
1042 	ttl = sdata->u.mesh.mshcfg.element_ttl;  in mesh_path_start_discovery()
1044 		sdata->u.mesh.mshstats.dropped_frames_ttl++;  in mesh_path_start_discovery()
1056 	mesh_path_sel_frame_tx(MPATH_PREQ, 0, sdata->vif.addr, ifmsh->sn,  in mesh_path_start_discovery()
1058 			       ttl, lifetime, 0, ifmsh->preq_id++, sdata);  in mesh_path_start_discovery()
1078 int mesh_nexthop_resolve(struct ieee80211_sub_if_data *sdata,  in mesh_nexthop_resolve()  argument
1093 	err = mesh_nexthop_lookup(sdata, skb);  in mesh_nexthop_resolve()
1098 	mpath = mesh_path_lookup(sdata, target_addr);  in mesh_nexthop_resolve()
1100 		mpath = mesh_path_add(sdata, target_addr);  in mesh_nexthop_resolve()
1102 			mesh_path_discard_frame(sdata, skb);  in mesh_nexthop_resolve()
1115 	ieee80211_set_qos_hdr(sdata, skb);  in mesh_nexthop_resolve()
1119 		mesh_path_discard_frame(sdata, skb_to_free);  in mesh_nexthop_resolve()
1136 int mesh_nexthop_lookup(struct ieee80211_sub_if_data *sdata,  in mesh_nexthop_lookup()  argument
1146 	mpath = mesh_path_lookup(sdata, target_addr);  in mesh_nexthop_lookup()
1153 		       msecs_to_jiffies(sdata->u.mesh.mshcfg.path_refresh_time)) &&  in mesh_nexthop_lookup()
1154 	    ether_addr_equal(sdata->vif.addr, hdr->addr4) &&  in mesh_nexthop_lookup()
1162 		memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);  in mesh_nexthop_lookup()
1163 		ieee80211_mps_set_frame_flags(sdata, next_hop, hdr);  in mesh_nexthop_lookup()
1175 	struct ieee80211_sub_if_data *sdata = mpath->sdata;  in mesh_path_timer()  local
1178 	if (sdata->local->quiescing)  in mesh_path_timer()
1186 	} else if (mpath->discovery_retries < max_preq_retries(sdata)) {  in mesh_path_timer()
1198 		if (!mpath->is_gate && mesh_gate_num(sdata) > 0) {  in mesh_path_timer()
1201 				mhwmp_dbg(sdata, "no gate was reachable\n");  in mesh_path_timer()
1207 void mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata)  in mesh_path_tx_root_frame()  argument
1209 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in mesh_path_tx_root_frame()
1218 		mesh_path_sel_frame_tx(MPATH_RANN, flags, sdata->vif.addr,  in mesh_path_tx_root_frame()
1221 				       interval, 0, 0, sdata);  in mesh_path_tx_root_frame()
1229 		mesh_path_sel_frame_tx(MPATH_PREQ, flags, sdata->vif.addr,  in mesh_path_tx_root_frame()
1233 				       0, ifmsh->preq_id++, sdata);  in mesh_path_tx_root_frame()
1236 		mhwmp_dbg(sdata, "Proactive mechanism not supported\n");  in mesh_path_tx_root_frame()