117 	struct dsa_port *dp;  in dsa_lag_unmap()  local
120 	dsa_lag_foreach_port(dp, dst, lag)  in dsa_lag_unmap()
135 	struct dsa_port *dp;  in dsa_bridge_num_find()  local
138 	 * dp->bridge_dev pointer but a not yet valid dp->bridge_num.  in dsa_bridge_num_find()
139 	 * However there might be other ports having the same dp->bridge_dev  in dsa_bridge_num_find()
140 	 * and a valid dp->bridge_num, so just ignore this port.  in dsa_bridge_num_find()
143 		list_for_each_entry(dp, &dst->ports, list)  in dsa_bridge_num_find()
144 			if (dp->bridge_dev == bridge_dev &&  in dsa_bridge_num_find()
145 			    dp->bridge_num != -1)  in dsa_bridge_num_find()
146 				return dp->bridge_num;  in dsa_bridge_num_find()
180 	struct dsa_port *dp;  in dsa_switch_find()  local
186 		list_for_each_entry(dp, &dst->ports, list) {  in dsa_switch_find()
187 			if (dp->ds->index != sw_index)  in dsa_switch_find()
190 			return dp->ds;  in dsa_switch_find()
276 	struct dsa_port *dp;  in dsa_tree_find_port_by_node()  local
278 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_find_port_by_node()
279 		if (dp->dn == dn)  in dsa_tree_find_port_by_node()
280 			return dp;  in dsa_tree_find_port_by_node()
285 static struct dsa_link *dsa_link_touch(struct dsa_port *dp,  in dsa_link_touch()  argument
288 	struct dsa_switch *ds = dp->ds;  in dsa_link_touch()
295 		if (dl->dp == dp && dl->link_dp == link_dp)  in dsa_link_touch()
302 	dl->dp = dp;  in dsa_link_touch()
311 static bool dsa_port_setup_routing_table(struct dsa_port *dp)  in dsa_port_setup_routing_table()  argument
313 	struct dsa_switch *ds = dp->ds;  in dsa_port_setup_routing_table()
315 	struct device_node *dn = dp->dn;  in dsa_port_setup_routing_table()
328 		dl = dsa_link_touch(dp, link_dp);  in dsa_port_setup_routing_table()
341 	struct dsa_port *dp;  in dsa_tree_setup_routing_table()  local
343 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_routing_table()
344 		if (dsa_port_is_dsa(dp)) {  in dsa_tree_setup_routing_table()
345 			complete = dsa_port_setup_routing_table(dp);  in dsa_tree_setup_routing_table()
356 	struct dsa_port *dp;  in dsa_tree_find_first_cpu()  local
358 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_find_first_cpu()
359 		if (dsa_port_is_cpu(dp))  in dsa_tree_find_first_cpu()
360 			return dp;  in dsa_tree_find_first_cpu()
370 	struct dsa_port *cpu_dp, *dp;  in dsa_tree_setup_default_cpu()  local
378 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_default_cpu()
379 		if (dp->cpu_dp)  in dsa_tree_setup_default_cpu()
382 		if (dsa_port_is_user(dp) || dsa_port_is_dsa(dp))  in dsa_tree_setup_default_cpu()
383 			dp->cpu_dp = cpu_dp;  in dsa_tree_setup_default_cpu()
396 	struct dsa_port *cpu_dp, *dp;  in dsa_tree_setup_cpu_ports()  local
402 		list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_cpu_ports()
404 			if (dp->ds != cpu_dp->ds)  in dsa_tree_setup_cpu_ports()
408 			if (dp->cpu_dp)  in dsa_tree_setup_cpu_ports()
411 			if (dsa_port_is_user(dp) || dsa_port_is_dsa(dp))  in dsa_tree_setup_cpu_ports()
412 				dp->cpu_dp = cpu_dp;  in dsa_tree_setup_cpu_ports()
421 	struct dsa_port *dp;  in dsa_tree_teardown_cpu_ports()  local
423 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_cpu_ports()
424 		if (dsa_port_is_user(dp) || dsa_port_is_dsa(dp))  in dsa_tree_teardown_cpu_ports()
425 			dp->cpu_dp = NULL;  in dsa_tree_teardown_cpu_ports()
428 static int dsa_port_setup(struct dsa_port *dp)  in dsa_port_setup()  argument
430 	struct devlink_port *dlp = &dp->devlink_port;  in dsa_port_setup()
432 	struct dsa_switch *ds = dp->ds;  in dsa_port_setup()
436 	if (dp->setup)  in dsa_port_setup()
439 	INIT_LIST_HEAD(&dp->fdbs);  in dsa_port_setup()
440 	INIT_LIST_HEAD(&dp->mdbs);  in dsa_port_setup()
443 		err = ds->ops->port_setup(ds, dp->index);  in dsa_port_setup()
448 	switch (dp->type) {  in dsa_port_setup()
450 		dsa_port_disable(dp);  in dsa_port_setup()
453 		err = dsa_port_link_register_of(dp);  in dsa_port_setup()
458 		err = dsa_port_enable(dp, NULL);  in dsa_port_setup()
465 		err = dsa_port_link_register_of(dp);  in dsa_port_setup()
470 		err = dsa_port_enable(dp, NULL);  in dsa_port_setup()
477 		of_get_mac_address(dp->dn, dp->mac);  in dsa_port_setup()
478 		err = dsa_slave_create(dp);  in dsa_port_setup()
482 		devlink_port_type_eth_set(dlp, dp->slave);  in dsa_port_setup()
487 		dsa_port_disable(dp);  in dsa_port_setup()
489 		dsa_port_link_unregister_of(dp);  in dsa_port_setup()
492 			ds->ops->port_teardown(ds, dp->index);  in dsa_port_setup()
496 	dp->setup = true;  in dsa_port_setup()
501 static int dsa_port_devlink_setup(struct dsa_port *dp)  in dsa_port_devlink_setup()  argument
503 	struct devlink_port *dlp = &dp->devlink_port;  in dsa_port_devlink_setup()
504 	struct dsa_switch_tree *dst = dp->ds->dst;  in dsa_port_devlink_setup()
506 	struct devlink *dl = dp->ds->devlink;  in dsa_port_devlink_setup()
514 	attrs.phys.port_number = dp->index;  in dsa_port_devlink_setup()
519 	switch (dp->type) {  in dsa_port_devlink_setup()
535 	err = devlink_port_register(dl, dlp, dp->index);  in dsa_port_devlink_setup()
538 		dp->devlink_port_setup = true;  in dsa_port_devlink_setup()
543 static void dsa_port_teardown(struct dsa_port *dp)  in dsa_port_teardown()  argument
545 	struct devlink_port *dlp = &dp->devlink_port;  in dsa_port_teardown()
546 	struct dsa_switch *ds = dp->ds;  in dsa_port_teardown()
549 	if (!dp->setup)  in dsa_port_teardown()
553 		ds->ops->port_teardown(ds, dp->index);  in dsa_port_teardown()
557 	switch (dp->type) {  in dsa_port_teardown()
561 		dsa_port_disable(dp);  in dsa_port_teardown()
562 		dsa_port_link_unregister_of(dp);  in dsa_port_teardown()
565 		dsa_port_disable(dp);  in dsa_port_teardown()
566 		dsa_port_link_unregister_of(dp);  in dsa_port_teardown()
569 		if (dp->slave) {  in dsa_port_teardown()
570 			dsa_slave_destroy(dp->slave);  in dsa_port_teardown()
571 			dp->slave = NULL;  in dsa_port_teardown()
576 	list_for_each_entry_safe(a, tmp, &dp->fdbs, list) {  in dsa_port_teardown()
581 	list_for_each_entry_safe(a, tmp, &dp->mdbs, list) {  in dsa_port_teardown()
586 	dp->setup = false;  in dsa_port_teardown()
589 static void dsa_port_devlink_teardown(struct dsa_port *dp)  in dsa_port_devlink_teardown()  argument
591 	struct devlink_port *dlp = &dp->devlink_port;  in dsa_port_devlink_teardown()
593 	if (dp->devlink_port_setup)  in dsa_port_devlink_teardown()
595 	dp->devlink_port_setup = false;  in dsa_port_devlink_teardown()
605 static int dsa_port_reinit_as_unused(struct dsa_port *dp)  in dsa_port_reinit_as_unused()  argument
607 	struct dsa_switch *ds = dp->ds;  in dsa_port_reinit_as_unused()
610 	dsa_port_devlink_teardown(dp);  in dsa_port_reinit_as_unused()
611 	dp->type = DSA_PORT_TYPE_UNUSED;  in dsa_port_reinit_as_unused()
612 	err = dsa_port_devlink_setup(dp);  in dsa_port_reinit_as_unused()
620 		err = ds->ops->port_setup(ds, dp->index);  in dsa_port_reinit_as_unused()
830 	struct dsa_port *dp;  in dsa_switch_setup()  local
860 	list_for_each_entry(dp, &ds->dst->ports, list) {  in dsa_switch_setup()
861 		if (dp->ds == ds) {  in dsa_switch_setup()
862 			err = dsa_port_devlink_setup(dp);  in dsa_switch_setup()
911 	list_for_each_entry(dp, &ds->dst->ports, list)  in dsa_switch_setup()
912 		if (dp->ds == ds)  in dsa_switch_setup()
913 			dsa_port_devlink_teardown(dp);  in dsa_switch_setup()
924 	struct dsa_port *dp;  in dsa_switch_teardown()  local
941 		list_for_each_entry(dp, &ds->dst->ports, list)  in dsa_switch_teardown()
942 			if (dp->ds == ds)  in dsa_switch_teardown()
943 				dsa_port_devlink_teardown(dp);  in dsa_switch_teardown()
958 	struct dsa_port *dp;  in dsa_tree_teardown_ports()  local
960 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_ports()
961 		if (dsa_port_is_user(dp) || dsa_port_is_unused(dp))  in dsa_tree_teardown_ports()
962 			dsa_port_teardown(dp);  in dsa_tree_teardown_ports()
966 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_ports()
967 		if (dsa_port_is_dsa(dp) || dsa_port_is_cpu(dp))  in dsa_tree_teardown_ports()
968 			dsa_port_teardown(dp);  in dsa_tree_teardown_ports()
973 	struct dsa_port *dp;  in dsa_tree_teardown_switches()  local
975 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_switches()
976 		dsa_switch_teardown(dp->ds);  in dsa_tree_teardown_switches()
981 	struct dsa_port *dp;  in dsa_tree_setup_switches()  local
984 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_switches()
985 		err = dsa_switch_setup(dp->ds);  in dsa_tree_setup_switches()
990 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_switches()
991 		err = dsa_port_setup(dp);  in dsa_tree_setup_switches()
993 			err = dsa_port_reinit_as_unused(dp);  in dsa_tree_setup_switches()
1011 	struct dsa_port *dp;  in dsa_tree_setup_master()  local
1014 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_master()
1015 		if (dsa_port_is_cpu(dp)) {  in dsa_tree_setup_master()
1016 			err = dsa_master_setup(dp->master, dp);  in dsa_tree_setup_master()
1027 	struct dsa_port *dp;  in dsa_tree_teardown_master()  local
1029 	list_for_each_entry(dp, &dst->ports, list)  in dsa_tree_teardown_master()
1030 		if (dsa_port_is_cpu(dp))  in dsa_tree_teardown_master()
1031 			dsa_master_teardown(dp->master);  in dsa_tree_teardown_master()
1037 	struct dsa_port *dp;  in dsa_tree_setup_lags()  local
1039 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_setup_lags()
1040 		if (dp->ds->num_lag_ids > len)  in dsa_tree_setup_lags()
1041 			len = dp->ds->num_lag_ids;  in dsa_tree_setup_lags()
1145 	struct dsa_port *dp;  in dsa_tree_change_tag_proto()  local
1159 	list_for_each_entry(dp, &dst->ports, list) {  in dsa_tree_change_tag_proto()
1160 		if (!dsa_is_user_port(dp->ds, dp->index))  in dsa_tree_change_tag_proto()
1163 		if (dp->slave->flags & IFF_UP)  in dsa_tree_change_tag_proto()
1189 	struct dsa_port *dp;  in dsa_port_touch()  local
1191 	list_for_each_entry(dp, &dst->ports, list)  in dsa_port_touch()
1192 		if (dp->ds == ds && dp->index == index)  in dsa_port_touch()
1193 			return dp;  in dsa_port_touch()
1195 	dp = kzalloc(sizeof(*dp), GFP_KERNEL);  in dsa_port_touch()
1196 	if (!dp)  in dsa_port_touch()
1199 	dp->ds = ds;  in dsa_port_touch()
1200 	dp->index = index;  in dsa_port_touch()
1201 	dp->bridge_num = -1;  in dsa_port_touch()
1203 	INIT_LIST_HEAD(&dp->list);  in dsa_port_touch()
1204 	list_add_tail(&dp->list, &dst->ports);  in dsa_port_touch()
1206 	return dp;  in dsa_port_touch()
1209 static int dsa_port_parse_user(struct dsa_port *dp, const char *name)  in dsa_port_parse_user()  argument
1214 	dp->type = DSA_PORT_TYPE_USER;  in dsa_port_parse_user()
1215 	dp->name = name;  in dsa_port_parse_user()
1220 static int dsa_port_parse_dsa(struct dsa_port *dp)  in dsa_port_parse_dsa()  argument
1222 	dp->type = DSA_PORT_TYPE_DSA;  in dsa_port_parse_dsa()
1227 static enum dsa_tag_protocol dsa_get_tag_protocol(struct dsa_port *dp,  in dsa_get_tag_protocol()  argument
1231 	struct dsa_switch *mds, *ds = dp->ds;  in dsa_get_tag_protocol()
1250 	return ds->ops->get_tag_protocol(ds, dp->index, tag_protocol);  in dsa_get_tag_protocol()
1253 static int dsa_port_parse_cpu(struct dsa_port *dp, struct net_device *master,  in dsa_port_parse_cpu()  argument
1256 	struct dsa_switch *ds = dp->ds;  in dsa_port_parse_cpu()
1262 	default_proto = dsa_get_tag_protocol(dp, master);  in dsa_port_parse_cpu()
1310 	dp->master = master;  in dsa_port_parse_cpu()
1311 	dp->type = DSA_PORT_TYPE_CPU;  in dsa_port_parse_cpu()
1312 	dsa_port_set_tag_protocol(dp, dst->tag_ops);  in dsa_port_parse_cpu()
1313 	dp->dst = dst;  in dsa_port_parse_cpu()
1331 static int dsa_port_parse_of(struct dsa_port *dp, struct device_node *dn)  in dsa_port_parse_of()  argument
1337 	dp->dn = dn;  in dsa_port_parse_of()
1348 		return dsa_port_parse_cpu(dp, master, user_protocol);  in dsa_port_parse_of()
1352 		return dsa_port_parse_dsa(dp);  in dsa_port_parse_of()
1354 	return dsa_port_parse_user(dp, name);  in dsa_port_parse_of()
1361 	struct dsa_port *dp;  in dsa_switch_parse_ports_of()  local
1390 		dp = dsa_to_port(ds, reg);  in dsa_switch_parse_ports_of()
1392 		err = dsa_port_parse_of(dp, port);  in dsa_switch_parse_ports_of()
1436 	struct dsa_port *dp;  in dsa_switch_touch_ports()  local
1440 		dp = dsa_port_touch(ds, port);  in dsa_switch_touch_ports()
1441 		if (!dp)  in dsa_switch_touch_ports()
1463 static int dsa_port_parse(struct dsa_port *dp, const char *name,  in dsa_port_parse()  argument
1475 		return dsa_port_parse_cpu(dp, master, NULL);  in dsa_port_parse()
1479 		return dsa_port_parse_dsa(dp);  in dsa_port_parse()
1481 	return dsa_port_parse_user(dp, name);  in dsa_port_parse()
1488 	struct dsa_port *dp;  in dsa_switch_parse_ports()  local
1497 		dp = dsa_to_port(ds, i);  in dsa_switch_parse_ports()
1502 		err = dsa_port_parse(dp, name, dev);  in dsa_switch_parse_ports()
1539 	struct dsa_port *dp, *next;  in dsa_switch_release_ports()  local
1541 	list_for_each_entry_safe(dp, next, &dst->ports, list) {  in dsa_switch_release_ports()
1542 		if (dp->ds != ds)  in dsa_switch_release_ports()
1544 		list_del(&dp->list);  in dsa_switch_release_ports()
1545 		kfree(dp);  in dsa_switch_release_ports()
1630 	struct dsa_port *dp;  in dsa_switch_shutdown()  local
1635 	list_for_each_entry(dp, &ds->dst->ports, list) {  in dsa_switch_shutdown()
1636 		if (dp->ds != ds)  in dsa_switch_shutdown()
1639 		if (!dsa_port_is_user(dp))  in dsa_switch_shutdown()
1642 		master = dp->cpu_dp->master;  in dsa_switch_shutdown()
1643 		slave_dev = dp->slave;  in dsa_switch_shutdown()