39 int dsa_tree_notify(struct dsa_switch_tree *dst, unsigned long e, void *v)  in dsa_tree_notify()  argument
41 	struct raw_notifier_head *nh = &dst->nh;  in dsa_tree_notify()
63 	struct dsa_switch_tree *dst;  in dsa_broadcast()  local
66 	list_for_each_entry(dst, &dsa_tree_list, list) {  in dsa_broadcast()
67 		err = dsa_tree_notify(dst, e, v);  in dsa_broadcast()
86 void dsa_lag_map(struct dsa_switch_tree *dst, struct dsa_lag *lag)  in dsa_lag_map()  argument
90 	for (id = 1; id <= dst->lags_len; id++) {  in dsa_lag_map()
91 		if (!dsa_lag_by_id(dst, id)) {  in dsa_lag_map()
92 			dst->lags[id - 1] = lag;  in dsa_lag_map()
114 void dsa_lag_unmap(struct dsa_switch_tree *dst, struct dsa_lag *lag)  in dsa_lag_unmap()  argument
118 	dsa_lags_foreach_id(id, dst) {  in dsa_lag_unmap()
119 		if (dsa_lag_by_id(dst, id) == lag) {  in dsa_lag_unmap()
120 			dst->lags[id - 1] = NULL;  in dsa_lag_unmap()
127 struct dsa_lag *dsa_tree_lag_find(struct dsa_switch_tree *dst,  in dsa_tree_lag_find()  argument
132 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_lag_find()
139 struct dsa_bridge *dsa_tree_bridge_find(struct dsa_switch_tree *dst,  in dsa_tree_bridge_find()  argument
144 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_bridge_find()
153 	struct dsa_switch_tree *dst;  in dsa_bridge_num_find()  local
155 	list_for_each_entry(dst, &dsa_tree_list, list) {  in dsa_bridge_num_find()
158 		bridge = dsa_tree_bridge_find(dst, bridge_dev);  in dsa_bridge_num_find()
204 	struct dsa_switch_tree *dst;  in dsa_switch_find()  local
207 	list_for_each_entry(dst, &dsa_tree_list, list) {  in dsa_switch_find()
208 		if (dst->index != tree_index)  in dsa_switch_find()
211 		list_for_each_entry(dp, &dst->ports, list) {  in dsa_switch_find()
225 	struct dsa_switch_tree *dst;  in dsa_tree_find()  local
227 	list_for_each_entry(dst, &dsa_tree_list, list)  in dsa_tree_find()
228 		if (dst->index == index)  in dsa_tree_find()
229 			return dst;  in dsa_tree_find()
236 	struct dsa_switch_tree *dst;  in dsa_tree_alloc()  local
238 	dst = kzalloc(sizeof(*dst), GFP_KERNEL);  in dsa_tree_alloc()
239 	if (!dst)  in dsa_tree_alloc()
242 	dst->index = index;  in dsa_tree_alloc()
244 	INIT_LIST_HEAD(&dst->rtable);  in dsa_tree_alloc()
246 	INIT_LIST_HEAD(&dst->ports);  in dsa_tree_alloc()
248 	INIT_LIST_HEAD(&dst->list);  in dsa_tree_alloc()
249 	list_add_tail(&dst->list, &dsa_tree_list);  in dsa_tree_alloc()
251 	kref_init(&dst->refcount);  in dsa_tree_alloc()
253 	return dst;  in dsa_tree_alloc()
256 static void dsa_tree_free(struct dsa_switch_tree *dst)  in dsa_tree_free()  argument
258 	if (dst->tag_ops)  in dsa_tree_free()
259 		dsa_tag_driver_put(dst->tag_ops);  in dsa_tree_free()
260 	list_del(&dst->list);  in dsa_tree_free()
261 	kfree(dst);  in dsa_tree_free()
264 static struct dsa_switch_tree *dsa_tree_get(struct dsa_switch_tree *dst)  in dsa_tree_get()  argument
266 	if (dst)  in dsa_tree_get()
267 		kref_get(&dst->refcount);  in dsa_tree_get()
269 	return dst;  in dsa_tree_get()
274 	struct dsa_switch_tree *dst;  in dsa_tree_touch()  local
276 	dst = dsa_tree_find(index);  in dsa_tree_touch()
277 	if (dst)  in dsa_tree_touch()
278 		return dsa_tree_get(dst);  in dsa_tree_touch()
285 	struct dsa_switch_tree *dst;  in dsa_tree_release()  local
287 	dst = container_of(ref, struct dsa_switch_tree, refcount);  in dsa_tree_release()
289 	dsa_tree_free(dst);  in dsa_tree_release()
292 static void dsa_tree_put(struct dsa_switch_tree *dst)  in dsa_tree_put()  argument
294 	if (dst)  in dsa_tree_put()
295 		kref_put(&dst->refcount, dsa_tree_release);  in dsa_tree_put()
298 static struct dsa_port *dsa_tree_find_port_by_node(struct dsa_switch_tree *dst,  in dsa_tree_find_port_by_node()  argument
303 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_find_port_by_node()
314 	struct dsa_switch_tree *dst;  in dsa_link_touch()  local
317 	dst = ds->dst;  in dsa_link_touch()
319 	list_for_each_entry(dl, &dst->rtable, list)  in dsa_link_touch()
331 	list_add_tail(&dl->list, &dst->rtable);  in dsa_link_touch()
339 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_setup_routing_table()  local
347 		link_dp = dsa_tree_find_port_by_node(dst, it.node);  in dsa_port_setup_routing_table()
363 static bool dsa_tree_setup_routing_table(struct dsa_switch_tree *dst)  in dsa_tree_setup_routing_table()  argument
368 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_routing_table()
379 static struct dsa_port *dsa_tree_find_first_cpu(struct dsa_switch_tree *dst)  in dsa_tree_find_first_cpu()  argument
383 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_find_first_cpu()
390 struct net_device *dsa_tree_find_first_master(struct dsa_switch_tree *dst)  in dsa_tree_find_first_master()  argument
396 	cpu_dp = dsa_tree_find_first_cpu(dst);  in dsa_tree_find_first_master()
407 static int dsa_tree_setup_default_cpu(struct dsa_switch_tree *dst)  in dsa_tree_setup_default_cpu()  argument
411 	cpu_dp = dsa_tree_find_first_cpu(dst);  in dsa_tree_setup_default_cpu()
413 		pr_err("DSA: tree %d has no CPU port\n", dst->index);  in dsa_tree_setup_default_cpu()
417 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_default_cpu()
433 static int dsa_tree_setup_cpu_ports(struct dsa_switch_tree *dst)  in dsa_tree_setup_cpu_ports()  argument
437 	list_for_each_entry(cpu_dp, &dst->ports, list) {  in dsa_tree_setup_cpu_ports()
452 	return dsa_tree_setup_default_cpu(dst);  in dsa_tree_setup_cpu_ports()
455 static void dsa_tree_teardown_cpu_ports(struct dsa_switch_tree *dst)  in dsa_tree_teardown_cpu_ports()  argument
459 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_cpu_ports()
467 	struct dsa_switch_tree *dst = dp->ds->dst;  in dsa_port_devlink_setup()  local
484 	id = (const unsigned char *)&dst->index;  in dsa_port_devlink_setup()
485 	len = sizeof(dst->index);  in dsa_port_devlink_setup()
825 	const struct dsa_device_ops *tag_ops = ds->dst->tag_ops;  in dsa_switch_setup_tag_protocol()
826 	struct dsa_switch_tree *dst = ds->dst;  in dsa_switch_setup_tag_protocol()  local
829 	if (tag_ops->proto == dst->default_proto)  in dsa_switch_setup_tag_protocol()
869 	const struct dsa_device_ops *tag_ops = ds->dst->tag_ops;  in dsa_switch_teardown_tag_protocol()
983 static void dsa_tree_teardown_ports(struct dsa_switch_tree *dst)  in dsa_tree_teardown_ports()  argument
987 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_ports()
993 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_ports()
998 static void dsa_tree_teardown_switches(struct dsa_switch_tree *dst)  in dsa_tree_teardown_switches()  argument
1002 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_switches()
1007 static int dsa_tree_setup_ports(struct dsa_switch_tree *dst)  in dsa_tree_setup_ports()  argument
1012 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_ports()
1020 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_ports()
1034 	dsa_tree_teardown_ports(dst);  in dsa_tree_setup_ports()
1039 static int dsa_tree_setup_switches(struct dsa_switch_tree *dst)  in dsa_tree_setup_switches()  argument
1044 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_switches()
1047 			dsa_tree_teardown_switches(dst);  in dsa_tree_setup_switches()
1055 static int dsa_tree_setup_master(struct dsa_switch_tree *dst)  in dsa_tree_setup_master()  argument
1062 	dsa_tree_for_each_cpu_port(cpu_dp, dst) {  in dsa_tree_setup_master()
1072 		dsa_tree_master_admin_state_change(dst, master, admin_up);  in dsa_tree_setup_master()
1073 		dsa_tree_master_oper_state_change(dst, master,  in dsa_tree_setup_master()
1082 static void dsa_tree_teardown_master(struct dsa_switch_tree *dst)  in dsa_tree_teardown_master()  argument
1088 	dsa_tree_for_each_cpu_port(cpu_dp, dst) {  in dsa_tree_teardown_master()
1095 		dsa_tree_master_admin_state_change(dst, master, false);  in dsa_tree_teardown_master()
1103 static int dsa_tree_setup_lags(struct dsa_switch_tree *dst)  in dsa_tree_setup_lags()  argument
1108 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_lags()
1116 	dst->lags = kcalloc(len, sizeof(*dst->lags), GFP_KERNEL);  in dsa_tree_setup_lags()
1117 	if (!dst->lags)  in dsa_tree_setup_lags()
1120 	dst->lags_len = len;  in dsa_tree_setup_lags()
1124 static void dsa_tree_teardown_lags(struct dsa_switch_tree *dst)  in dsa_tree_teardown_lags()  argument
1126 	kfree(dst->lags);  in dsa_tree_teardown_lags()
1129 static int dsa_tree_setup(struct dsa_switch_tree *dst)  in dsa_tree_setup()  argument
1134 	if (dst->setup) {  in dsa_tree_setup()
1136 		       dst->index);  in dsa_tree_setup()
1140 	complete = dsa_tree_setup_routing_table(dst);  in dsa_tree_setup()
1144 	err = dsa_tree_setup_cpu_ports(dst);  in dsa_tree_setup()
1148 	err = dsa_tree_setup_switches(dst);  in dsa_tree_setup()
1152 	err = dsa_tree_setup_ports(dst);  in dsa_tree_setup()
1156 	err = dsa_tree_setup_master(dst);  in dsa_tree_setup()
1160 	err = dsa_tree_setup_lags(dst);  in dsa_tree_setup()
1164 	dst->setup = true;  in dsa_tree_setup()
1166 	pr_info("DSA: tree %d setup\n", dst->index);  in dsa_tree_setup()
1171 	dsa_tree_teardown_master(dst);  in dsa_tree_setup()
1173 	dsa_tree_teardown_ports(dst);  in dsa_tree_setup()
1175 	dsa_tree_teardown_switches(dst);  in dsa_tree_setup()
1177 	dsa_tree_teardown_cpu_ports(dst);  in dsa_tree_setup()
1182 static void dsa_tree_teardown(struct dsa_switch_tree *dst)  in dsa_tree_teardown()  argument
1186 	if (!dst->setup)  in dsa_tree_teardown()
1189 	dsa_tree_teardown_lags(dst);  in dsa_tree_teardown()
1191 	dsa_tree_teardown_master(dst);  in dsa_tree_teardown()
1193 	dsa_tree_teardown_ports(dst);  in dsa_tree_teardown()
1195 	dsa_tree_teardown_switches(dst);  in dsa_tree_teardown()
1197 	dsa_tree_teardown_cpu_ports(dst);  in dsa_tree_teardown()
1199 	list_for_each_entry_safe(dl, next, &dst->rtable, list) {  in dsa_tree_teardown()
1204 	pr_info("DSA: tree %d torn down\n", dst->index);  in dsa_tree_teardown()
1206 	dst->setup = false;  in dsa_tree_teardown()
1209 static int dsa_tree_bind_tag_proto(struct dsa_switch_tree *dst,  in dsa_tree_bind_tag_proto()  argument
1212 	const struct dsa_device_ops *old_tag_ops = dst->tag_ops;  in dsa_tree_bind_tag_proto()
1216 	dst->tag_ops = tag_ops;  in dsa_tree_bind_tag_proto()
1222 	err = dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO_CONNECT, &info);  in dsa_tree_bind_tag_proto()
1228 	dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO_DISCONNECT, &info);  in dsa_tree_bind_tag_proto()
1234 	dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO_DISCONNECT, &info);  in dsa_tree_bind_tag_proto()
1235 	dst->tag_ops = old_tag_ops;  in dsa_tree_bind_tag_proto()
1244 int dsa_tree_change_tag_proto(struct dsa_switch_tree *dst,  in dsa_tree_change_tag_proto()  argument
1260 	dsa_tree_for_each_user_port(dp, dst) {  in dsa_tree_change_tag_proto()
1270 	err = dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO, &info);  in dsa_tree_change_tag_proto()
1274 	err = dsa_tree_bind_tag_proto(dst, tag_ops);  in dsa_tree_change_tag_proto()
1284 	dsa_tree_notify(dst, DSA_NOTIFIER_TAG_PROTO, &info);  in dsa_tree_change_tag_proto()
1290 static void dsa_tree_master_state_change(struct dsa_switch_tree *dst,  in dsa_tree_master_state_change()  argument
1299 	dsa_tree_notify(dst, DSA_NOTIFIER_MASTER_STATE_CHANGE, &info);  in dsa_tree_master_state_change()
1302 void dsa_tree_master_admin_state_change(struct dsa_switch_tree *dst,  in dsa_tree_master_admin_state_change()  argument
1322 		dsa_tree_master_state_change(dst, master);  in dsa_tree_master_admin_state_change()
1325 void dsa_tree_master_oper_state_change(struct dsa_switch_tree *dst,  in dsa_tree_master_oper_state_change()  argument
1345 		dsa_tree_master_state_change(dst, master);  in dsa_tree_master_oper_state_change()
1350 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_touch()  local
1370 	list_add_tail(&dp->list, &dst->ports);  in dsa_port_touch()
1424 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_parse_cpu()  local
1429 	if (dst->default_proto) {  in dsa_port_parse_cpu()
1430 		if (dst->default_proto != default_proto) {  in dsa_port_parse_cpu()
1436 		dst->default_proto = default_proto;  in dsa_port_parse_cpu()
1466 	if (dst->tag_ops) {  in dsa_port_parse_cpu()
1467 		if (dst->tag_ops != tag_ops) {  in dsa_port_parse_cpu()
1480 		dst->tag_ops = tag_ops;  in dsa_port_parse_cpu()
1485 	dsa_port_set_tag_protocol(dp, dst->tag_ops);  in dsa_port_parse_cpu()
1486 	dp->dst = dst;  in dsa_port_parse_cpu()
1591 	ds->dst = dsa_tree_touch(m[0]);  in dsa_switch_parse_member_of()
1592 	if (!ds->dst)  in dsa_switch_parse_member_of()
1595 	if (dsa_switch_find(ds->dst->index, ds->index)) {  in dsa_switch_parse_member_of()
1598 			ds->index, ds->dst->index);  in dsa_switch_parse_member_of()
1602 	if (ds->dst->last_switch < ds->index)  in dsa_switch_parse_member_of()
1603 		ds->dst->last_switch = ds->index;  in dsa_switch_parse_member_of()
1699 	ds->dst = dsa_tree_touch(0);  in dsa_switch_parse()
1700 	if (!ds->dst)  in dsa_switch_parse()
1725 	struct dsa_switch_tree *dst;  in dsa_switch_probe()  local
1754 	dst = ds->dst;  in dsa_switch_probe()
1755 	dsa_tree_get(dst);  in dsa_switch_probe()
1756 	err = dsa_tree_setup(dst);  in dsa_switch_probe()
1759 		dsa_tree_put(dst);  in dsa_switch_probe()
1771 	dsa_tree_put(ds->dst);  in dsa_register_switch()
1780 	struct dsa_switch_tree *dst = ds->dst;  in dsa_switch_remove()  local
1782 	dsa_tree_teardown(dst);  in dsa_switch_remove()
1784 	dsa_tree_put(dst);  in dsa_switch_remove()