63 void dsa_lag_map(struct dsa_switch_tree *dst, struct dsa_lag *lag)  in dsa_lag_map()  argument
67 	for (id = 1; id <= dst->lags_len; id++) {  in dsa_lag_map()
68 		if (!dsa_lag_by_id(dst, id)) {  in dsa_lag_map()
69 			dst->lags[id - 1] = lag;  in dsa_lag_map()
91 void dsa_lag_unmap(struct dsa_switch_tree *dst, struct dsa_lag *lag)  in dsa_lag_unmap()  argument
95 	dsa_lags_foreach_id(id, dst) {  in dsa_lag_unmap()
96 		if (dsa_lag_by_id(dst, id) == lag) {  in dsa_lag_unmap()
97 			dst->lags[id - 1] = NULL;  in dsa_lag_unmap()
104 struct dsa_lag *dsa_tree_lag_find(struct dsa_switch_tree *dst,  in dsa_tree_lag_find()  argument
109 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_lag_find()
116 struct dsa_bridge *dsa_tree_bridge_find(struct dsa_switch_tree *dst,  in dsa_tree_bridge_find()  argument
121 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_bridge_find()
130 	struct dsa_switch_tree *dst;  in dsa_bridge_num_find()  local
132 	list_for_each_entry(dst, &dsa_tree_list, list) {  in dsa_bridge_num_find()
135 		bridge = dsa_tree_bridge_find(dst, bridge_dev);  in dsa_bridge_num_find()
181 	struct dsa_switch_tree *dst;  in dsa_switch_find()  local
184 	list_for_each_entry(dst, &dsa_tree_list, list) {  in dsa_switch_find()
185 		if (dst->index != tree_index)  in dsa_switch_find()
188 		list_for_each_entry(dp, &dst->ports, list) {  in dsa_switch_find()
202 	struct dsa_switch_tree *dst;  in dsa_tree_find()  local
204 	list_for_each_entry(dst, &dsa_tree_list, list)  in dsa_tree_find()
205 		if (dst->index == index)  in dsa_tree_find()
206 			return dst;  in dsa_tree_find()
213 	struct dsa_switch_tree *dst;  in dsa_tree_alloc()  local
215 	dst = kzalloc(sizeof(*dst), GFP_KERNEL);  in dsa_tree_alloc()
216 	if (!dst)  in dsa_tree_alloc()
219 	dst->index = index;  in dsa_tree_alloc()
221 	INIT_LIST_HEAD(&dst->rtable);  in dsa_tree_alloc()
223 	INIT_LIST_HEAD(&dst->ports);  in dsa_tree_alloc()
225 	INIT_LIST_HEAD(&dst->list);  in dsa_tree_alloc()
226 	list_add_tail(&dst->list, &dsa_tree_list);  in dsa_tree_alloc()
228 	kref_init(&dst->refcount);  in dsa_tree_alloc()
230 	return dst;  in dsa_tree_alloc()
233 static void dsa_tree_free(struct dsa_switch_tree *dst)  in dsa_tree_free()  argument
235 	if (dst->tag_ops)  in dsa_tree_free()
236 		dsa_tag_driver_put(dst->tag_ops);  in dsa_tree_free()
237 	list_del(&dst->list);  in dsa_tree_free()
238 	kfree(dst);  in dsa_tree_free()
241 static struct dsa_switch_tree *dsa_tree_get(struct dsa_switch_tree *dst)  in dsa_tree_get()  argument
243 	if (dst)  in dsa_tree_get()
244 		kref_get(&dst->refcount);  in dsa_tree_get()
246 	return dst;  in dsa_tree_get()
251 	struct dsa_switch_tree *dst;  in dsa_tree_touch()  local
253 	dst = dsa_tree_find(index);  in dsa_tree_touch()
254 	if (dst)  in dsa_tree_touch()
255 		return dsa_tree_get(dst);  in dsa_tree_touch()
262 	struct dsa_switch_tree *dst;  in dsa_tree_release()  local
264 	dst = container_of(ref, struct dsa_switch_tree, refcount);  in dsa_tree_release()
266 	dsa_tree_free(dst);  in dsa_tree_release()
269 static void dsa_tree_put(struct dsa_switch_tree *dst)  in dsa_tree_put()  argument
271 	if (dst)  in dsa_tree_put()
272 		kref_put(&dst->refcount, dsa_tree_release);  in dsa_tree_put()
275 static struct dsa_port *dsa_tree_find_port_by_node(struct dsa_switch_tree *dst,  in dsa_tree_find_port_by_node()  argument
280 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_find_port_by_node()
291 	struct dsa_switch_tree *dst;  in dsa_link_touch()  local
294 	dst = ds->dst;  in dsa_link_touch()
296 	list_for_each_entry(dl, &dst->rtable, list)  in dsa_link_touch()
308 	list_add_tail(&dl->list, &dst->rtable);  in dsa_link_touch()
316 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_setup_routing_table()  local
324 		link_dp = dsa_tree_find_port_by_node(dst, it.node);  in dsa_port_setup_routing_table()
340 static bool dsa_tree_setup_routing_table(struct dsa_switch_tree *dst)  in dsa_tree_setup_routing_table()  argument
345 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_routing_table()
356 static struct dsa_port *dsa_tree_find_first_cpu(struct dsa_switch_tree *dst)  in dsa_tree_find_first_cpu()  argument
360 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_find_first_cpu()
367 struct net_device *dsa_tree_find_first_conduit(struct dsa_switch_tree *dst)  in dsa_tree_find_first_conduit()  argument
373 	cpu_dp = dsa_tree_find_first_cpu(dst);  in dsa_tree_find_first_conduit()
384 static int dsa_tree_setup_default_cpu(struct dsa_switch_tree *dst)  in dsa_tree_setup_default_cpu()  argument
388 	cpu_dp = dsa_tree_find_first_cpu(dst);  in dsa_tree_setup_default_cpu()
390 		pr_err("DSA: tree %d has no CPU port\n", dst->index);  in dsa_tree_setup_default_cpu()
394 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_default_cpu()
428 static int dsa_tree_setup_cpu_ports(struct dsa_switch_tree *dst)  in dsa_tree_setup_cpu_ports()  argument
432 	list_for_each_entry(cpu_dp, &dst->ports, list) {  in dsa_tree_setup_cpu_ports()
451 	return dsa_tree_setup_default_cpu(dst);  in dsa_tree_setup_cpu_ports()
454 static void dsa_tree_teardown_cpu_ports(struct dsa_switch_tree *dst)  in dsa_tree_teardown_cpu_ports()  argument
458 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_cpu_ports()
576 	const struct dsa_device_ops *tag_ops = ds->dst->tag_ops;  in dsa_switch_setup_tag_protocol()
577 	struct dsa_switch_tree *dst = ds->dst;  in dsa_switch_setup_tag_protocol()  local
580 	if (tag_ops->proto == dst->default_proto)  in dsa_switch_setup_tag_protocol()
620 	const struct dsa_device_ops *tag_ops = ds->dst->tag_ops;  in dsa_switch_teardown_tag_protocol()
719 static void dsa_tree_teardown_ports(struct dsa_switch_tree *dst)  in dsa_tree_teardown_ports()  argument
723 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_ports()
729 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_ports()
734 static void dsa_tree_teardown_switches(struct dsa_switch_tree *dst)  in dsa_tree_teardown_switches()  argument
738 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_switches()
743 static int dsa_tree_setup_ports(struct dsa_switch_tree *dst)  in dsa_tree_setup_ports()  argument
748 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_ports()
756 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_ports()
770 	dsa_tree_teardown_ports(dst);  in dsa_tree_setup_ports()
775 static int dsa_tree_setup_switches(struct dsa_switch_tree *dst)  in dsa_tree_setup_switches()  argument
780 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_switches()
783 			dsa_tree_teardown_switches(dst);  in dsa_tree_setup_switches()
791 static int dsa_tree_setup_conduit(struct dsa_switch_tree *dst)  in dsa_tree_setup_conduit()  argument
798 	dsa_tree_for_each_cpu_port(cpu_dp, dst) {  in dsa_tree_setup_conduit()
808 		dsa_tree_conduit_admin_state_change(dst, conduit, admin_up);  in dsa_tree_setup_conduit()
809 		dsa_tree_conduit_oper_state_change(dst, conduit,  in dsa_tree_setup_conduit()
818 static void dsa_tree_teardown_conduit(struct dsa_switch_tree *dst)  in dsa_tree_teardown_conduit()  argument
824 	dsa_tree_for_each_cpu_port(cpu_dp, dst) {  in dsa_tree_teardown_conduit()
831 		dsa_tree_conduit_admin_state_change(dst, conduit, false);  in dsa_tree_teardown_conduit()
839 static int dsa_tree_setup_lags(struct dsa_switch_tree *dst)  in dsa_tree_setup_lags()  argument
844 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_lags()
852 	dst->lags = kcalloc(len, sizeof(*dst->lags), GFP_KERNEL);  in dsa_tree_setup_lags()
853 	if (!dst->lags)  in dsa_tree_setup_lags()
856 	dst->lags_len = len;  in dsa_tree_setup_lags()
860 static void dsa_tree_teardown_lags(struct dsa_switch_tree *dst)  in dsa_tree_teardown_lags()  argument
862 	kfree(dst->lags);  in dsa_tree_teardown_lags()
865 static int dsa_tree_setup(struct dsa_switch_tree *dst)  in dsa_tree_setup()  argument
870 	if (dst->setup) {  in dsa_tree_setup()
872 		       dst->index);  in dsa_tree_setup()
876 	complete = dsa_tree_setup_routing_table(dst);  in dsa_tree_setup()
880 	err = dsa_tree_setup_cpu_ports(dst);  in dsa_tree_setup()
884 	err = dsa_tree_setup_switches(dst);  in dsa_tree_setup()
888 	err = dsa_tree_setup_ports(dst);  in dsa_tree_setup()
892 	err = dsa_tree_setup_conduit(dst);  in dsa_tree_setup()
896 	err = dsa_tree_setup_lags(dst);  in dsa_tree_setup()
900 	dst->setup = true;  in dsa_tree_setup()
902 	pr_info("DSA: tree %d setup\n", dst->index);  in dsa_tree_setup()
907 	dsa_tree_teardown_conduit(dst);  in dsa_tree_setup()
909 	dsa_tree_teardown_ports(dst);  in dsa_tree_setup()
911 	dsa_tree_teardown_switches(dst);  in dsa_tree_setup()
913 	dsa_tree_teardown_cpu_ports(dst);  in dsa_tree_setup()
918 static void dsa_tree_teardown(struct dsa_switch_tree *dst)  in dsa_tree_teardown()  argument
922 	if (!dst->setup)  in dsa_tree_teardown()
925 	dsa_tree_teardown_lags(dst);  in dsa_tree_teardown()
927 	dsa_tree_teardown_conduit(dst);  in dsa_tree_teardown()
929 	dsa_tree_teardown_ports(dst);  in dsa_tree_teardown()
931 	dsa_tree_teardown_switches(dst);  in dsa_tree_teardown()
933 	dsa_tree_teardown_cpu_ports(dst);  in dsa_tree_teardown()
935 	list_for_each_entry_safe(dl, next, &dst->rtable, list) {  in dsa_tree_teardown()
940 	pr_info("DSA: tree %d torn down\n", dst->index);  in dsa_tree_teardown()
942 	dst->setup = false;  in dsa_tree_teardown()
945 static int dsa_tree_bind_tag_proto(struct dsa_switch_tree *dst,  in dsa_tree_bind_tag_proto()  argument
948 	const struct dsa_device_ops *old_tag_ops = dst->tag_ops;  in dsa_tree_bind_tag_proto()
952 	dst->tag_ops = tag_ops;  in dsa_tree_bind_tag_proto()
958 	err = dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO_CONNECT, &info);  in dsa_tree_bind_tag_proto()
964 	dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO_DISCONNECT, &info);  in dsa_tree_bind_tag_proto()
970 	dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO_DISCONNECT, &info);  in dsa_tree_bind_tag_proto()
971 	dst->tag_ops = old_tag_ops;  in dsa_tree_bind_tag_proto()
980 int dsa_tree_change_tag_proto(struct dsa_switch_tree *dst,  in dsa_tree_change_tag_proto()  argument
996 	dsa_tree_for_each_user_port(dp, dst) {  in dsa_tree_change_tag_proto()
1006 	err = dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO, &info);  in dsa_tree_change_tag_proto()
1010 	err = dsa_tree_bind_tag_proto(dst, tag_ops);  in dsa_tree_change_tag_proto()
1020 	dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO, &info);  in dsa_tree_change_tag_proto()
1026 static void dsa_tree_conduit_state_change(struct dsa_switch_tree *dst,  in dsa_tree_conduit_state_change()  argument
1035 	dsa_tree_notify(dst, DSA_NOTIFIER_CONDUIT_STATE_CHANGE, &info);  in dsa_tree_conduit_state_change()
1038 void dsa_tree_conduit_admin_state_change(struct dsa_switch_tree *dst,  in dsa_tree_conduit_admin_state_change()  argument
1058 		dsa_tree_conduit_state_change(dst, conduit);  in dsa_tree_conduit_admin_state_change()
1061 void dsa_tree_conduit_oper_state_change(struct dsa_switch_tree *dst,  in dsa_tree_conduit_oper_state_change()  argument
1081 		dsa_tree_conduit_state_change(dst, conduit);  in dsa_tree_conduit_oper_state_change()
1086 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_touch()  local
1106 	list_add_tail(&dp->list, &dst->ports);  in dsa_port_touch()
1157 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_parse_cpu()  local
1162 	if (dst->default_proto) {  in dsa_port_parse_cpu()
1163 		if (dst->default_proto != default_proto) {  in dsa_port_parse_cpu()
1169 		dst->default_proto = default_proto;  in dsa_port_parse_cpu()
1199 	if (dst->tag_ops) {  in dsa_port_parse_cpu()
1200 		if (dst->tag_ops != tag_ops) {  in dsa_port_parse_cpu()
1213 		dst->tag_ops = tag_ops;  in dsa_port_parse_cpu()
1218 	dsa_port_set_tag_protocol(dp, dst->tag_ops);  in dsa_port_parse_cpu()
1219 	dp->dst = dst;  in dsa_port_parse_cpu()
1324 	ds->dst = dsa_tree_touch(m[0]);  in dsa_switch_parse_member_of()
1325 	if (!ds->dst)  in dsa_switch_parse_member_of()
1328 	if (dsa_switch_find(ds->dst->index, ds->index)) {  in dsa_switch_parse_member_of()
1331 			ds->index, ds->dst->index);  in dsa_switch_parse_member_of()
1335 	if (ds->dst->last_switch < ds->index)  in dsa_switch_parse_member_of()
1336 		ds->dst->last_switch = ds->index;  in dsa_switch_parse_member_of()
1468 	ds->dst = dsa_tree_touch(0);  in dsa_switch_parse()
1469 	if (!ds->dst)  in dsa_switch_parse()
1494 	struct dsa_switch_tree *dst;  in dsa_switch_probe()  local
1531 	dst = ds->dst;  in dsa_switch_probe()
1532 	dsa_tree_get(dst);  in dsa_switch_probe()
1533 	err = dsa_tree_setup(dst);  in dsa_switch_probe()
1536 		dsa_tree_put(dst);  in dsa_switch_probe()
1548 	dsa_tree_put(ds->dst);  in dsa_register_switch()
1557 	struct dsa_switch_tree *dst = ds->dst;  in dsa_switch_remove()  local
1559 	dsa_tree_teardown(dst);  in dsa_switch_remove()
1561 	dsa_tree_put(dst);  in dsa_switch_remove()