181 	struct br_config_bpdu bpdu;  in br_transmit_config()  local
191 	bpdu.topology_change = br->topology_change;  in br_transmit_config()
192 	bpdu.topology_change_ack = p->topology_change_ack;  in br_transmit_config()
193 	bpdu.root = br->designated_root;  in br_transmit_config()
194 	bpdu.root_path_cost = br->root_path_cost;  in br_transmit_config()
195 	bpdu.bridge_id = br->bridge_id;  in br_transmit_config()
196 	bpdu.port_id = p->port_id;  in br_transmit_config()
198 		bpdu.message_age = 0;  in br_transmit_config()
202 		bpdu.message_age = (jiffies - root->designated_age)  in br_transmit_config()
205 	bpdu.max_age = br->max_age;  in br_transmit_config()
206 	bpdu.hello_time = br->hello_time;  in br_transmit_config()
207 	bpdu.forward_delay = br->forward_delay;  in br_transmit_config()
209 	if (bpdu.message_age < br->max_age) {  in br_transmit_config()
210 		br_send_config_bpdu(p, &bpdu);  in br_transmit_config()
221 					 const struct br_config_bpdu *bpdu)  in br_record_config_information()  argument
223 	p->designated_root = bpdu->root;  in br_record_config_information()
224 	p->designated_cost = bpdu->root_path_cost;  in br_record_config_information()
225 	p->designated_bridge = bpdu->bridge_id;  in br_record_config_information()
226 	p->designated_port = bpdu->port_id;  in br_record_config_information()
227 	p->designated_age = jiffies - bpdu->message_age;  in br_record_config_information()
230 		  + (bpdu->max_age - bpdu->message_age));  in br_record_config_information()
235 					    const struct br_config_bpdu *bpdu)  in br_record_config_timeout_values()  argument
237 	br->max_age = bpdu->max_age;  in br_record_config_timeout_values()
238 	br->hello_time = bpdu->hello_time;  in br_record_config_timeout_values()
239 	br->forward_delay = bpdu->forward_delay;  in br_record_config_timeout_values()
240 	br->topology_change = bpdu->topology_change;  in br_record_config_timeout_values()
301 				   const struct br_config_bpdu *bpdu)  in br_supersedes_port_info()  argument
305 	t = memcmp(&bpdu->root, &p->designated_root, 8);  in br_supersedes_port_info()
311 	if (bpdu->root_path_cost < p->designated_cost)  in br_supersedes_port_info()
313 	else if (bpdu->root_path_cost > p->designated_cost)  in br_supersedes_port_info()
316 	t = memcmp(&bpdu->bridge_id, &p->designated_bridge, 8);  in br_supersedes_port_info()
322 	if (memcmp(&bpdu->bridge_id, &p->br->bridge_id, 8))  in br_supersedes_port_info()
325 	if (bpdu->port_id <= p->designated_port)  in br_supersedes_port_info()
491 			     const struct br_config_bpdu *bpdu)  in br_received_config_bpdu()  argument
499 	if (br_supersedes_port_info(p, bpdu)) {  in br_received_config_bpdu()
500 		br_record_config_information(p, bpdu);  in br_received_config_bpdu()
516 			br_record_config_timeout_values(br, bpdu);  in br_received_config_bpdu()
518 			if (bpdu->topology_change_ack)  in br_received_config_bpdu()