43 	struct hsr_node *node;  in hsr_addr_is_self()  local
45 	node = list_first_or_null_rcu(&hsr->self_node_db, struct hsr_node,  in hsr_addr_is_self()
47 	if (!node) {  in hsr_addr_is_self()
52 	if (ether_addr_equal(addr, node->macaddress_A))  in hsr_addr_is_self()
54 	if (ether_addr_equal(addr, node->macaddress_B))  in hsr_addr_is_self()
65 	struct hsr_node *node;  in find_node_by_addr_A()  local
67 	list_for_each_entry_rcu(node, node_db, mac_list) {  in find_node_by_addr_A()
68 		if (ether_addr_equal(node->macaddress_A, addr))  in find_node_by_addr_A()
69 			return node;  in find_node_by_addr_A()
82 	struct hsr_node *node, *oldnode;  in hsr_create_self_node()  local
84 	node = kmalloc(sizeof(*node), GFP_KERNEL);  in hsr_create_self_node()
85 	if (!node)  in hsr_create_self_node()
88 	ether_addr_copy(node->macaddress_A, addr_a);  in hsr_create_self_node()
89 	ether_addr_copy(node->macaddress_B, addr_b);  in hsr_create_self_node()
95 		list_replace_rcu(&oldnode->mac_list, &node->mac_list);  in hsr_create_self_node()
101 		list_add_tail_rcu(&node->mac_list, self_node_db);  in hsr_create_self_node()
109 	struct hsr_node *node;  in hsr_del_self_node()  local
112 	node = list_first_or_null_rcu(self_node_db, struct hsr_node, mac_list);  in hsr_del_self_node()
114 	if (node) {  in hsr_del_self_node()
115 		list_del_rcu(&node->mac_list);  in hsr_del_self_node()
116 		kfree(node);  in hsr_del_self_node()
122 	struct hsr_node *node;  in hsr_del_nodes()  local
125 	list_for_each_entry_safe(node, tmp, node_db, mac_list)  in hsr_del_nodes()
126 		kfree(node);  in hsr_del_nodes()
136 	struct hsr_node *node;  in hsr_add_node()  local
140 	node = kzalloc(sizeof(*node), GFP_ATOMIC);  in hsr_add_node()
141 	if (!node)  in hsr_add_node()
144 	ether_addr_copy(node->macaddress_A, addr);  in hsr_add_node()
151 		node->time_in[i] = now;  in hsr_add_node()
153 		node->seq_out[i] = seq_out;  in hsr_add_node()
155 	list_add_tail_rcu(&node->mac_list, node_db);  in hsr_add_node()
157 	return node;  in hsr_add_node()
166 	struct hsr_node *node;  in hsr_get_node()  local
175 	list_for_each_entry_rcu(node, node_db, mac_list) {  in hsr_get_node()
176 		if (ether_addr_equal(node->macaddress_A, ethhdr->h_source))  in hsr_get_node()
177 			return node;  in hsr_get_node()
178 		if (ether_addr_equal(node->macaddress_B, ethhdr->h_source))  in hsr_get_node()
179 			return node;  in hsr_get_node()
268 void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb)  in hsr_addr_subst_source()  argument
275 	memcpy(&eth_hdr(skb)->h_source, node->macaddress_A, ETH_ALEN);  in hsr_addr_subst_source()
312 void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port,  in hsr_register_frame_in()  argument
319 	if (seq_nr_before(sequence_nr, node->seq_out[port->type]))  in hsr_register_frame_in()
322 	node->time_in[port->type] = jiffies;  in hsr_register_frame_in()
323 	node->time_in_stale[port->type] = false;  in hsr_register_frame_in()
334 int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,  in hsr_register_frame_out()  argument
337 	if (seq_nr_before_or_eq(sequence_nr, node->seq_out[port->type]))  in hsr_register_frame_out()
340 	node->seq_out[port->type] = sequence_nr;  in hsr_register_frame_out()
345 				      struct hsr_node *node)  in get_late_port()  argument
347 	if (node->time_in_stale[HSR_PT_SLAVE_A])  in get_late_port()
349 	if (node->time_in_stale[HSR_PT_SLAVE_B])  in get_late_port()
352 	if (time_after(node->time_in[HSR_PT_SLAVE_B],  in get_late_port()
353 		       node->time_in[HSR_PT_SLAVE_A] +  in get_late_port()
356 	if (time_after(node->time_in[HSR_PT_SLAVE_A],  in get_late_port()
357 		       node->time_in[HSR_PT_SLAVE_B] +  in get_late_port()
370 	struct hsr_node *node;  in hsr_prune_nodes()  local
376 	list_for_each_entry_rcu(node, &hsr->node_db, mac_list) {  in hsr_prune_nodes()
382 		if (hsr_addr_is_self(hsr, node->macaddress_A))  in hsr_prune_nodes()
386 		time_a = node->time_in[HSR_PT_SLAVE_A];  in hsr_prune_nodes()
387 		time_b = node->time_in[HSR_PT_SLAVE_B];  in hsr_prune_nodes()
391 			node->time_in_stale[HSR_PT_SLAVE_A] = true;  in hsr_prune_nodes()
393 			node->time_in_stale[HSR_PT_SLAVE_B] = true;  in hsr_prune_nodes()
400 		if (node->time_in_stale[HSR_PT_SLAVE_A] ||  in hsr_prune_nodes()
401 		    (!node->time_in_stale[HSR_PT_SLAVE_B] &&  in hsr_prune_nodes()
409 			port = get_late_port(hsr, node);  in hsr_prune_nodes()
411 				hsr_nl_ringerror(hsr, node->macaddress_A, port);  in hsr_prune_nodes()
418 			hsr_nl_nodedown(hsr, node->macaddress_A);  in hsr_prune_nodes()
419 			list_del_rcu(&node->mac_list);  in hsr_prune_nodes()
421 			kfree_rcu(node, rcu_head);  in hsr_prune_nodes()
434 	struct hsr_node *node;  in hsr_get_next_node()  local
437 		node = list_first_or_null_rcu(&hsr->node_db,  in hsr_get_next_node()
439 		if (node)  in hsr_get_next_node()
440 			ether_addr_copy(addr, node->macaddress_A);  in hsr_get_next_node()
441 		return node;  in hsr_get_next_node()
444 	node = _pos;  in hsr_get_next_node()
445 	list_for_each_entry_continue_rcu(node, &hsr->node_db, mac_list) {  in hsr_get_next_node()
446 		ether_addr_copy(addr, node->macaddress_A);  in hsr_get_next_node()
447 		return node;  in hsr_get_next_node()
462 	struct hsr_node *node;  in hsr_get_node_data()  local
467 	node = find_node_by_addr_A(&hsr->node_db, addr);  in hsr_get_node_data()
468 	if (!node) {  in hsr_get_node_data()
473 	ether_addr_copy(addr_b, node->macaddress_B);  in hsr_get_node_data()
475 	tdiff = jiffies - node->time_in[HSR_PT_SLAVE_A];  in hsr_get_node_data()
476 	if (node->time_in_stale[HSR_PT_SLAVE_A])  in hsr_get_node_data()
485 	tdiff = jiffies - node->time_in[HSR_PT_SLAVE_B];  in hsr_get_node_data()
486 	if (node->time_in_stale[HSR_PT_SLAVE_B])  in hsr_get_node_data()
496 	*if1_seq = node->seq_out[HSR_PT_SLAVE_B];  in hsr_get_node_data()
497 	*if2_seq = node->seq_out[HSR_PT_SLAVE_A];  in hsr_get_node_data()
499 	if (node->addr_B_port != HSR_PT_NONE) {  in hsr_get_node_data()
500 		port = hsr_port_get_hsr(hsr, node->addr_B_port);  in hsr_get_node_data()