17 static int br_is_designated_for_some_port(const struct net_bridge *br)  in br_is_designated_for_some_port()  argument
21 	list_for_each_entry(p, &br->port_list, list) {  in br_is_designated_for_some_port()
23 		    !memcmp(&p->designated_bridge, &br->bridge_id, 8))  in br_is_designated_for_some_port()
32 	struct net_bridge *br = timer_container_of(br, t, hello_timer);  in br_hello_timer_expired()  local
34 	br_debug(br, "hello timer expired\n");  in br_hello_timer_expired()
35 	spin_lock(&br->lock);  in br_hello_timer_expired()
36 	if (br->dev->flags & IFF_UP) {  in br_hello_timer_expired()
37 		br_config_bpdu_generation(br);  in br_hello_timer_expired()
39 		if (br->stp_enabled == BR_KERNEL_STP)  in br_hello_timer_expired()
40 			mod_timer(&br->hello_timer,  in br_hello_timer_expired()
41 				  round_jiffies(jiffies + br->hello_time));  in br_hello_timer_expired()
43 	spin_unlock(&br->lock);  in br_hello_timer_expired()
50 	struct net_bridge *br = p->br;  in br_message_age_timer_expired()  local
57 	br_info(br, "port %u(%s) neighbor %.2x%.2x.%pM lost\n",  in br_message_age_timer_expired()
66 	spin_lock(&br->lock);  in br_message_age_timer_expired()
69 	was_root = br_is_root_bridge(br);  in br_message_age_timer_expired()
72 	br_configuration_update(br);  in br_message_age_timer_expired()
73 	br_port_state_selection(br);  in br_message_age_timer_expired()
74 	if (br_is_root_bridge(br) && !was_root)  in br_message_age_timer_expired()
75 		br_become_root_bridge(br);  in br_message_age_timer_expired()
77 	spin_unlock(&br->lock);  in br_message_age_timer_expired()
84 	struct net_bridge *br = p->br;  in br_forward_delay_timer_expired()  local
86 	br_debug(br, "port %u(%s) forward delay timer\n",  in br_forward_delay_timer_expired()
88 	spin_lock(&br->lock);  in br_forward_delay_timer_expired()
92 			  jiffies + br->forward_delay);  in br_forward_delay_timer_expired()
95 		if (br_is_designated_for_some_port(br))  in br_forward_delay_timer_expired()
96 			br_topology_change_detection(br);  in br_forward_delay_timer_expired()
97 		netif_carrier_on(br->dev);  in br_forward_delay_timer_expired()
102 	spin_unlock(&br->lock);  in br_forward_delay_timer_expired()
107 	struct net_bridge *br = timer_container_of(br, t, tcn_timer);  in br_tcn_timer_expired()  local
109 	br_debug(br, "tcn timer expired\n");  in br_tcn_timer_expired()
110 	spin_lock(&br->lock);  in br_tcn_timer_expired()
111 	if (!br_is_root_bridge(br) && (br->dev->flags & IFF_UP)) {  in br_tcn_timer_expired()
112 		br_transmit_tcn(br);  in br_tcn_timer_expired()
114 		mod_timer(&br->tcn_timer, jiffies + br->bridge_hello_time);  in br_tcn_timer_expired()
116 	spin_unlock(&br->lock);  in br_tcn_timer_expired()
121 	struct net_bridge *br = timer_container_of(br, t,  in br_topology_change_timer_expired()  local
124 	br_debug(br, "topo change timer expired\n");  in br_topology_change_timer_expired()
125 	spin_lock(&br->lock);  in br_topology_change_timer_expired()
126 	br->topology_change_detected = 0;  in br_topology_change_timer_expired()
127 	__br_set_topology_change(br, 0);  in br_topology_change_timer_expired()
128 	spin_unlock(&br->lock);  in br_topology_change_timer_expired()
135 	br_debug(p->br, "port %u(%s) hold timer expired\n",  in br_hold_timer_expired()
138 	spin_lock(&p->br->lock);  in br_hold_timer_expired()
141 	spin_unlock(&p->br->lock);  in br_hold_timer_expired()
144 void br_stp_timer_init(struct net_bridge *br)  in br_stp_timer_init()  argument
146 	timer_setup(&br->hello_timer, br_hello_timer_expired, 0);  in br_stp_timer_init()
147 	timer_setup(&br->tcn_timer, br_tcn_timer_expired, 0);  in br_stp_timer_init()
148 	timer_setup(&br->topology_change_timer,  in br_stp_timer_init()