64 void dsa_lag_map(struct dsa_switch_tree *dst, struct dsa_lag *lag)  in dsa_lag_map()  argument
68 	for (id = 1; id <= dst->lags_len; id++) {  in dsa_lag_map()
69 		if (!dsa_lag_by_id(dst, id)) {  in dsa_lag_map()
70 			dst->lags[id - 1] = lag;  in dsa_lag_map()
92 void dsa_lag_unmap(struct dsa_switch_tree *dst, struct dsa_lag *lag)  in dsa_lag_unmap()  argument
96 	dsa_lags_foreach_id(id, dst) {  in dsa_lag_unmap()
97 		if (dsa_lag_by_id(dst, id) == lag) {  in dsa_lag_unmap()
98 			dst->lags[id - 1] = NULL;  in dsa_lag_unmap()
105 struct dsa_lag *dsa_tree_lag_find(struct dsa_switch_tree *dst,  in dsa_tree_lag_find()  argument
110 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_lag_find()
117 struct dsa_bridge *dsa_tree_bridge_find(struct dsa_switch_tree *dst,  in dsa_tree_bridge_find()  argument
122 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_bridge_find()
131 	struct dsa_switch_tree *dst;  in dsa_bridge_num_find()  local
133 	list_for_each_entry(dst, &dsa_tree_list, list) {  in dsa_bridge_num_find()
136 		bridge = dsa_tree_bridge_find(dst, bridge_dev);  in dsa_bridge_num_find()
182 	struct dsa_switch_tree *dst;  in dsa_switch_find()  local
185 	list_for_each_entry(dst, &dsa_tree_list, list) {  in dsa_switch_find()
186 		if (dst->index != tree_index)  in dsa_switch_find()
189 		list_for_each_entry(dp, &dst->ports, list) {  in dsa_switch_find()
203 	struct dsa_switch_tree *dst;  in dsa_tree_find()  local
205 	list_for_each_entry(dst, &dsa_tree_list, list)  in dsa_tree_find()
206 		if (dst->index == index)  in dsa_tree_find()
207 			return dst;  in dsa_tree_find()
214 	struct dsa_switch_tree *dst;  in dsa_tree_alloc()  local
216 	dst = kzalloc(sizeof(*dst), GFP_KERNEL);  in dsa_tree_alloc()
217 	if (!dst)  in dsa_tree_alloc()
220 	dst->index = index;  in dsa_tree_alloc()
222 	INIT_LIST_HEAD(&dst->rtable);  in dsa_tree_alloc()
224 	INIT_LIST_HEAD(&dst->ports);  in dsa_tree_alloc()
226 	INIT_LIST_HEAD(&dst->list);  in dsa_tree_alloc()
227 	list_add_tail(&dst->list, &dsa_tree_list);  in dsa_tree_alloc()
229 	kref_init(&dst->refcount);  in dsa_tree_alloc()
231 	return dst;  in dsa_tree_alloc()
234 static void dsa_tree_free(struct dsa_switch_tree *dst)  in dsa_tree_free()  argument
236 	if (dst->tag_ops)  in dsa_tree_free()
237 		dsa_tag_driver_put(dst->tag_ops);  in dsa_tree_free()
238 	list_del(&dst->list);  in dsa_tree_free()
239 	kfree(dst);  in dsa_tree_free()
242 static struct dsa_switch_tree *dsa_tree_get(struct dsa_switch_tree *dst)  in dsa_tree_get()  argument
244 	if (dst)  in dsa_tree_get()
245 		kref_get(&dst->refcount);  in dsa_tree_get()
247 	return dst;  in dsa_tree_get()
252 	struct dsa_switch_tree *dst;  in dsa_tree_touch()  local
254 	dst = dsa_tree_find(index);  in dsa_tree_touch()
255 	if (dst)  in dsa_tree_touch()
256 		return dsa_tree_get(dst);  in dsa_tree_touch()
263 	struct dsa_switch_tree *dst;  in dsa_tree_release()  local
265 	dst = container_of(ref, struct dsa_switch_tree, refcount);  in dsa_tree_release()
267 	dsa_tree_free(dst);  in dsa_tree_release()
270 static void dsa_tree_put(struct dsa_switch_tree *dst)  in dsa_tree_put()  argument
272 	if (dst)  in dsa_tree_put()
273 		kref_put(&dst->refcount, dsa_tree_release);  in dsa_tree_put()
276 static struct dsa_port *dsa_tree_find_port_by_node(struct dsa_switch_tree *dst,  in dsa_tree_find_port_by_node()  argument
281 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_find_port_by_node()
292 	struct dsa_switch_tree *dst;  in dsa_link_touch()  local
295 	dst = ds->dst;  in dsa_link_touch()
297 	list_for_each_entry(dl, &dst->rtable, list)  in dsa_link_touch()
309 	list_add_tail(&dl->list, &dst->rtable);  in dsa_link_touch()
317 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_setup_routing_table()  local
325 		link_dp = dsa_tree_find_port_by_node(dst, it.node);  in dsa_port_setup_routing_table()
341 static bool dsa_tree_setup_routing_table(struct dsa_switch_tree *dst)  in dsa_tree_setup_routing_table()  argument
346 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_routing_table()
357 static struct dsa_port *dsa_tree_find_first_cpu(struct dsa_switch_tree *dst)  in dsa_tree_find_first_cpu()  argument
361 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_find_first_cpu()
368 struct net_device *dsa_tree_find_first_conduit(struct dsa_switch_tree *dst)  in dsa_tree_find_first_conduit()  argument
372 	cpu_dp = dsa_tree_find_first_cpu(dst);  in dsa_tree_find_first_conduit()
379 static int dsa_tree_setup_default_cpu(struct dsa_switch_tree *dst)  in dsa_tree_setup_default_cpu()  argument
383 	cpu_dp = dsa_tree_find_first_cpu(dst);  in dsa_tree_setup_default_cpu()
385 		pr_err("DSA: tree %d has no CPU port\n", dst->index);  in dsa_tree_setup_default_cpu()
389 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_default_cpu()
423 static int dsa_tree_setup_cpu_ports(struct dsa_switch_tree *dst)  in dsa_tree_setup_cpu_ports()  argument
427 	list_for_each_entry(cpu_dp, &dst->ports, list) {  in dsa_tree_setup_cpu_ports()
446 	return dsa_tree_setup_default_cpu(dst);  in dsa_tree_setup_cpu_ports()
449 static void dsa_tree_teardown_cpu_ports(struct dsa_switch_tree *dst)  in dsa_tree_teardown_cpu_ports()  argument
453 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_cpu_ports()
571 	const struct dsa_device_ops *tag_ops = ds->dst->tag_ops;  in dsa_switch_setup_tag_protocol()
572 	struct dsa_switch_tree *dst = ds->dst;  in dsa_switch_setup_tag_protocol()  local
575 	if (tag_ops->proto == dst->default_proto)  in dsa_switch_setup_tag_protocol()
615 	const struct dsa_device_ops *tag_ops = ds->dst->tag_ops;  in dsa_switch_teardown_tag_protocol()
714 static void dsa_tree_teardown_ports(struct dsa_switch_tree *dst)  in dsa_tree_teardown_ports()  argument
718 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_ports()
724 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_ports()
729 static void dsa_tree_teardown_switches(struct dsa_switch_tree *dst)  in dsa_tree_teardown_switches()  argument
733 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_switches()
738 static int dsa_tree_setup_ports(struct dsa_switch_tree *dst)  in dsa_tree_setup_ports()  argument
743 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_ports()
751 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_ports()
765 	dsa_tree_teardown_ports(dst);  in dsa_tree_setup_ports()
770 static int dsa_tree_setup_switches(struct dsa_switch_tree *dst)  in dsa_tree_setup_switches()  argument
775 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_switches()
778 			dsa_tree_teardown_switches(dst);  in dsa_tree_setup_switches()
786 static int dsa_tree_setup_conduit(struct dsa_switch_tree *dst)  in dsa_tree_setup_conduit()  argument
793 	dsa_tree_for_each_cpu_port(cpu_dp, dst) {  in dsa_tree_setup_conduit()
803 		dsa_tree_conduit_admin_state_change(dst, conduit, admin_up);  in dsa_tree_setup_conduit()
804 		dsa_tree_conduit_oper_state_change(dst, conduit,  in dsa_tree_setup_conduit()
813 static void dsa_tree_teardown_conduit(struct dsa_switch_tree *dst)  in dsa_tree_teardown_conduit()  argument
819 	dsa_tree_for_each_cpu_port(cpu_dp, dst) {  in dsa_tree_teardown_conduit()
826 		dsa_tree_conduit_admin_state_change(dst, conduit, false);  in dsa_tree_teardown_conduit()
834 static int dsa_tree_setup_lags(struct dsa_switch_tree *dst)  in dsa_tree_setup_lags()  argument
839 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_lags()
847 	dst->lags = kcalloc(len, sizeof(*dst->lags), GFP_KERNEL);  in dsa_tree_setup_lags()
848 	if (!dst->lags)  in dsa_tree_setup_lags()
851 	dst->lags_len = len;  in dsa_tree_setup_lags()
855 static void dsa_tree_teardown_lags(struct dsa_switch_tree *dst)  in dsa_tree_teardown_lags()  argument
857 	kfree(dst->lags);  in dsa_tree_teardown_lags()
860 static void dsa_tree_teardown_routing_table(struct dsa_switch_tree *dst)  in dsa_tree_teardown_routing_table()  argument
864 	list_for_each_entry_safe(dl, next, &dst->rtable, list) {  in dsa_tree_teardown_routing_table()
870 static int dsa_tree_setup(struct dsa_switch_tree *dst)  in dsa_tree_setup()  argument
875 	if (dst->setup) {  in dsa_tree_setup()
877 		       dst->index);  in dsa_tree_setup()
881 	complete = dsa_tree_setup_routing_table(dst);  in dsa_tree_setup()
885 	err = dsa_tree_setup_cpu_ports(dst);  in dsa_tree_setup()
889 	err = dsa_tree_setup_switches(dst);  in dsa_tree_setup()
893 	err = dsa_tree_setup_ports(dst);  in dsa_tree_setup()
897 	err = dsa_tree_setup_conduit(dst);  in dsa_tree_setup()
901 	err = dsa_tree_setup_lags(dst);  in dsa_tree_setup()
905 	dst->setup = true;  in dsa_tree_setup()
907 	pr_info("DSA: tree %d setup\n", dst->index);  in dsa_tree_setup()
912 	dsa_tree_teardown_conduit(dst);  in dsa_tree_setup()
914 	dsa_tree_teardown_ports(dst);  in dsa_tree_setup()
916 	dsa_tree_teardown_switches(dst);  in dsa_tree_setup()
918 	dsa_tree_teardown_cpu_ports(dst);  in dsa_tree_setup()
920 	dsa_tree_teardown_routing_table(dst);  in dsa_tree_setup()
925 static void dsa_tree_teardown(struct dsa_switch_tree *dst)  in dsa_tree_teardown()  argument
927 	if (!dst->setup)  in dsa_tree_teardown()
930 	dsa_tree_teardown_lags(dst);  in dsa_tree_teardown()
932 	dsa_tree_teardown_conduit(dst);  in dsa_tree_teardown()
934 	dsa_tree_teardown_ports(dst);  in dsa_tree_teardown()
936 	dsa_tree_teardown_switches(dst);  in dsa_tree_teardown()
938 	dsa_tree_teardown_cpu_ports(dst);  in dsa_tree_teardown()
940 	dsa_tree_teardown_routing_table(dst);  in dsa_tree_teardown()
942 	pr_info("DSA: tree %d torn down\n", dst->index);  in dsa_tree_teardown()
944 	dst->setup = false;  in dsa_tree_teardown()
947 static int dsa_tree_bind_tag_proto(struct dsa_switch_tree *dst,  in dsa_tree_bind_tag_proto()  argument
950 	const struct dsa_device_ops *old_tag_ops = dst->tag_ops;  in dsa_tree_bind_tag_proto()
954 	dst->tag_ops = tag_ops;  in dsa_tree_bind_tag_proto()
960 	err = dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO_CONNECT, &info);  in dsa_tree_bind_tag_proto()
966 	dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO_DISCONNECT, &info);  in dsa_tree_bind_tag_proto()
972 	dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO_DISCONNECT, &info);  in dsa_tree_bind_tag_proto()
973 	dst->tag_ops = old_tag_ops;  in dsa_tree_bind_tag_proto()
982 int dsa_tree_change_tag_proto(struct dsa_switch_tree *dst,  in dsa_tree_change_tag_proto()  argument
998 	dsa_tree_for_each_user_port(dp, dst) {  in dsa_tree_change_tag_proto()
1008 	err = dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO, &info);  in dsa_tree_change_tag_proto()
1012 	err = dsa_tree_bind_tag_proto(dst, tag_ops);  in dsa_tree_change_tag_proto()
1022 	dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO, &info);  in dsa_tree_change_tag_proto()
1028 static void dsa_tree_conduit_state_change(struct dsa_switch_tree *dst,  in dsa_tree_conduit_state_change()  argument
1037 	dsa_tree_notify(dst, DSA_NOTIFIER_CONDUIT_STATE_CHANGE, &info);  in dsa_tree_conduit_state_change()
1040 void dsa_tree_conduit_admin_state_change(struct dsa_switch_tree *dst,  in dsa_tree_conduit_admin_state_change()  argument
1060 		dsa_tree_conduit_state_change(dst, conduit);  in dsa_tree_conduit_admin_state_change()
1063 void dsa_tree_conduit_oper_state_change(struct dsa_switch_tree *dst,  in dsa_tree_conduit_oper_state_change()  argument
1083 		dsa_tree_conduit_state_change(dst, conduit);  in dsa_tree_conduit_oper_state_change()
1088 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_touch()  local
1108 	list_add_tail(&dp->list, &dst->ports);  in dsa_port_touch()
1159 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_parse_cpu()  local
1164 	if (dst->default_proto) {  in dsa_port_parse_cpu()
1165 		if (dst->default_proto != default_proto) {  in dsa_port_parse_cpu()
1171 		dst->default_proto = default_proto;  in dsa_port_parse_cpu()
1201 	if (dst->tag_ops) {  in dsa_port_parse_cpu()
1202 		if (dst->tag_ops != tag_ops) {  in dsa_port_parse_cpu()
1215 		dst->tag_ops = tag_ops;  in dsa_port_parse_cpu()
1220 	dsa_port_set_tag_protocol(dp, dst->tag_ops);  in dsa_port_parse_cpu()
1221 	dp->dst = dst;  in dsa_port_parse_cpu()
1337 	ds->dst = dsa_tree_touch(m[0]);  in dsa_switch_parse_member_of()
1338 	if (!ds->dst)  in dsa_switch_parse_member_of()
1341 	if (dsa_switch_find(ds->dst->index, ds->index)) {  in dsa_switch_parse_member_of()
1344 			ds->index, ds->dst->index);  in dsa_switch_parse_member_of()
1348 	if (ds->dst->last_switch < ds->index)  in dsa_switch_parse_member_of()
1349 		ds->dst->last_switch = ds->index;  in dsa_switch_parse_member_of()
1474 	ds->dst = dsa_tree_touch(0);  in dsa_switch_parse()
1475 	if (!ds->dst)  in dsa_switch_parse()
1535 	struct dsa_switch_tree *dst;  in dsa_switch_probe()  local
1564 	dst = ds->dst;  in dsa_switch_probe()
1565 	dsa_tree_get(dst);  in dsa_switch_probe()
1566 	err = dsa_tree_setup(dst);  in dsa_switch_probe()
1569 		dsa_tree_put(dst);  in dsa_switch_probe()
1581 	dsa_tree_put(ds->dst);  in dsa_register_switch()
1590 	struct dsa_switch_tree *dst = ds->dst;  in dsa_switch_remove()  local
1592 	dsa_tree_teardown(dst);  in dsa_switch_remove()
1594 	dsa_tree_put(dst);  in dsa_switch_remove()