71 batadv_gw_get_selected_gw_node(struct batadv_priv *bat_priv)  in batadv_gw_get_selected_gw_node()  argument
76 	gw_node = rcu_dereference(bat_priv->gw.curr_gw);  in batadv_gw_get_selected_gw_node()
89 batadv_gw_get_selected_orig(struct batadv_priv *bat_priv)  in batadv_gw_get_selected_orig()  argument
94 	gw_node = batadv_gw_get_selected_gw_node(bat_priv);  in batadv_gw_get_selected_orig()
114 static void batadv_gw_select(struct batadv_priv *bat_priv,  in batadv_gw_select()  argument
119 	spin_lock_bh(&bat_priv->gw.list_lock);  in batadv_gw_select()
124 	curr_gw_node = rcu_dereference_protected(bat_priv->gw.curr_gw, 1);  in batadv_gw_select()
125 	rcu_assign_pointer(bat_priv->gw.curr_gw, new_gw_node);  in batadv_gw_select()
130 	spin_unlock_bh(&bat_priv->gw.list_lock);  in batadv_gw_select()
144 void batadv_gw_reselect(struct batadv_priv *bat_priv)  in batadv_gw_reselect()  argument
146 	atomic_set(&bat_priv->gw.reselect, 1);  in batadv_gw_reselect()
150 batadv_gw_get_best_gw_node(struct batadv_priv *bat_priv)  in batadv_gw_get_best_gw_node()  argument
162 	hlist_for_each_entry_rcu(gw_node, &bat_priv->gw.list, list) {  in batadv_gw_get_best_gw_node()
178 		switch (atomic_read(&bat_priv->gw_sel_class)) {  in batadv_gw_get_best_gw_node()
237 void batadv_gw_check_client_stop(struct batadv_priv *bat_priv)  in batadv_gw_check_client_stop()  argument
241 	if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_CLIENT)  in batadv_gw_check_client_stop()
244 	curr_gw = batadv_gw_get_selected_gw_node(bat_priv);  in batadv_gw_check_client_stop()
251 	batadv_gw_select(bat_priv, NULL);  in batadv_gw_check_client_stop()
256 	batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_DEL, NULL);  in batadv_gw_check_client_stop()
261 void batadv_gw_election(struct batadv_priv *bat_priv)  in batadv_gw_election()  argument
269 	if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_CLIENT)  in batadv_gw_election()
272 	curr_gw = batadv_gw_get_selected_gw_node(bat_priv);  in batadv_gw_election()
274 	if (!batadv_atomic_dec_not_zero(&bat_priv->gw.reselect) && curr_gw)  in batadv_gw_election()
277 	next_gw = batadv_gw_get_best_gw_node(bat_priv);  in batadv_gw_election()
288 			batadv_gw_reselect(bat_priv);  in batadv_gw_election()
295 			batadv_gw_reselect(bat_priv);  in batadv_gw_election()
301 		batadv_dbg(BATADV_DBG_BATMAN, bat_priv,  in batadv_gw_election()
303 		batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_DEL,  in batadv_gw_election()
306 		batadv_dbg(BATADV_DBG_BATMAN, bat_priv,  in batadv_gw_election()
314 		batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_ADD,  in batadv_gw_election()
317 		batadv_dbg(BATADV_DBG_BATMAN, bat_priv,  in batadv_gw_election()
325 		batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_CHANGE,  in batadv_gw_election()
329 	batadv_gw_select(bat_priv, next_gw);  in batadv_gw_election()
342 void batadv_gw_check_election(struct batadv_priv *bat_priv,  in batadv_gw_check_election()  argument
352 	curr_gw_orig = batadv_gw_get_selected_orig(bat_priv);  in batadv_gw_check_election()
388 	if ((atomic_read(&bat_priv->gw_sel_class) > 3) &&  in batadv_gw_check_election()
389 	    (orig_tq_avg - gw_tq_avg < atomic_read(&bat_priv->gw_sel_class)))  in batadv_gw_check_election()
392 	batadv_dbg(BATADV_DBG_BATMAN, bat_priv,  in batadv_gw_check_election()
397 	batadv_gw_reselect(bat_priv);  in batadv_gw_check_election()
417 static void batadv_gw_node_add(struct batadv_priv *bat_priv,  in batadv_gw_node_add()  argument
441 	spin_lock_bh(&bat_priv->gw.list_lock);  in batadv_gw_node_add()
442 	hlist_add_head_rcu(&gw_node->list, &bat_priv->gw.list);  in batadv_gw_node_add()
443 	spin_unlock_bh(&bat_priv->gw.list_lock);  in batadv_gw_node_add()
445 	batadv_dbg(BATADV_DBG_BATMAN, bat_priv,  in batadv_gw_node_add()
462 batadv_gw_node_get(struct batadv_priv *bat_priv,  in batadv_gw_node_get()  argument
468 	hlist_for_each_entry_rcu(gw_node_tmp, &bat_priv->gw.list, list) {  in batadv_gw_node_get()
490 void batadv_gw_node_update(struct batadv_priv *bat_priv,  in batadv_gw_node_update()  argument
496 	gw_node = batadv_gw_node_get(bat_priv, orig_node);  in batadv_gw_node_update()
498 		batadv_gw_node_add(bat_priv, orig_node, gateway);  in batadv_gw_node_update()
506 	batadv_dbg(BATADV_DBG_BATMAN, bat_priv,  in batadv_gw_node_update()
522 		batadv_dbg(BATADV_DBG_BATMAN, bat_priv,  in batadv_gw_node_update()
529 		spin_lock_bh(&bat_priv->gw.list_lock);  in batadv_gw_node_update()
531 		spin_unlock_bh(&bat_priv->gw.list_lock);  in batadv_gw_node_update()
535 		curr_gw = batadv_gw_get_selected_gw_node(bat_priv);  in batadv_gw_node_update()
537 			batadv_gw_reselect(bat_priv);  in batadv_gw_node_update()
548 void batadv_gw_node_delete(struct batadv_priv *bat_priv,  in batadv_gw_node_delete()  argument
556 	batadv_gw_node_update(bat_priv, orig_node, &gateway);  in batadv_gw_node_delete()
559 void batadv_gw_node_free(struct batadv_priv *bat_priv)  in batadv_gw_node_free()  argument
564 	spin_lock_bh(&bat_priv->gw.list_lock);  in batadv_gw_node_free()
566 				  &bat_priv->gw.list, list) {  in batadv_gw_node_free()
570 	spin_unlock_bh(&bat_priv->gw.list_lock);  in batadv_gw_node_free()
574 static int batadv_write_buffer_text(struct batadv_priv *bat_priv,  in batadv_write_buffer_text()  argument
591 	curr_gw = batadv_gw_get_selected_gw_node(bat_priv);  in batadv_write_buffer_text()
617 	struct batadv_priv *bat_priv = netdev_priv(net_dev);  in batadv_gw_client_seq_print_text()  local
633 	hlist_for_each_entry_rcu(gw_node, &bat_priv->gw.list, list) {  in batadv_gw_client_seq_print_text()
635 		if (batadv_write_buffer_text(bat_priv, seq, gw_node) < 0)  in batadv_gw_client_seq_print_text()
785 bool batadv_gw_out_of_range(struct batadv_priv *bat_priv,  in batadv_gw_out_of_range()  argument
801 	orig_dst_node = batadv_transtable_search(bat_priv, ethhdr->h_source,  in batadv_gw_out_of_range()
806 	gw_node = batadv_gw_node_get(bat_priv, orig_dst_node);  in batadv_gw_out_of_range()
810 	switch (atomic_read(&bat_priv->gw_mode)) {  in batadv_gw_out_of_range()
818 		curr_gw = batadv_gw_get_selected_gw_node(bat_priv);  in batadv_gw_out_of_range()
830 		neigh_curr = batadv_find_router(bat_priv, curr_gw->orig_node,  in batadv_gw_out_of_range()
849 	neigh_old = batadv_find_router(bat_priv, orig_dst_node, NULL);  in batadv_gw_out_of_range()