55 	llc_mac_hdr_init(skb, p->dev->dev_addr, p->br->group_addr);  in br_send_bpdu()
83 	if (p->br->stp_enabled != BR_KERNEL_STP)  in br_send_config_bpdu()
89 	buf[3] = BPDU_TYPE_CONFIG;  in br_send_config_bpdu()
97 	buf[10] = bpdu->root.addr[3];  in br_send_config_bpdu()
109 	buf[22] = bpdu->bridge_id.addr[3];  in br_send_config_bpdu()
130 	if (p->br->stp_enabled != BR_KERNEL_STP)  in br_send_tcn_bpdu()
136 	buf[3] = BPDU_TYPE_TCN;  in br_send_tcn_bpdu()
151 	struct net_bridge *br;  in br_stp_rcv()  local
166 	br = p->br;  in br_stp_rcv()
167 	spin_lock(&br->lock);  in br_stp_rcv()
169 	if (br->stp_enabled != BR_KERNEL_STP)  in br_stp_rcv()
172 	if (!(br->dev->flags & IFF_UP))  in br_stp_rcv()
178 	if (!ether_addr_equal(eth_hdr(skb)->h_dest, br->group_addr))  in br_stp_rcv()
182 		br_notice(br, "BPDU received on blocked port %u(%s)\n",  in br_stp_rcv()
188 	buf = skb_pull(skb, 3);  in br_stp_rcv()
201 		bpdu.root.prio[1] = buf[3];  in br_stp_rcv()
205 		bpdu.root.addr[3] = buf[7];  in br_stp_rcv()
218 		bpdu.bridge_id.addr[3] = buf[19];  in br_stp_rcv()
230 				br_notice(p->br,  in br_stp_rcv()
244 	spin_unlock(&br->lock);  in br_stp_rcv()