59  * driver by setting ds->num_lag_ids. It is perfectly legal to leave
189 			if (dp->ds->index != sw_index)  in dsa_switch_find()
192 			return dp->ds;  in dsa_switch_find()
290 	struct dsa_switch *ds = dp->ds;  in dsa_link_touch()  local
294 	dst = ds->dst;  in dsa_link_touch()
315 	struct dsa_switch *ds = dp->ds;  in dsa_port_setup_routing_table()  local
316 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_setup_routing_table()
406 dsa_switch_preferred_default_local_cpu_port(struct dsa_switch *ds)  in dsa_switch_preferred_default_local_cpu_port()  argument
410 	if (!ds->ops->preferred_default_local_cpu_port)  in dsa_switch_preferred_default_local_cpu_port()
413 	cpu_dp = ds->ops->preferred_default_local_cpu_port(ds);  in dsa_switch_preferred_default_local_cpu_port()
417 	if (WARN_ON(!dsa_port_is_cpu(cpu_dp) || cpu_dp->ds != ds))  in dsa_switch_preferred_default_local_cpu_port()
436 		preferred_cpu_dp = dsa_switch_preferred_default_local_cpu_port(cpu_dp->ds);  in dsa_tree_setup_cpu_ports()
441 		dsa_switch_for_each_port(dp, cpu_dp->ds) {  in dsa_tree_setup_cpu_ports()
466 	struct dsa_switch *ds = dp->ds;  in dsa_port_setup()  local
488 			dev_warn(ds->dev,  in dsa_port_setup()
506 			dev_warn(ds->dev,  in dsa_port_setup()
574 static int dsa_switch_setup_tag_protocol(struct dsa_switch *ds)  in dsa_switch_setup_tag_protocol()  argument
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()
584 	err = ds->ops->change_tag_protocol(ds, tag_ops->proto);  in dsa_switch_setup_tag_protocol()
587 		dev_err(ds->dev, "Unable to use tag protocol \"%s\": %pe\n",  in dsa_switch_setup_tag_protocol()
594 		err = tag_ops->connect(ds);  in dsa_switch_setup_tag_protocol()
599 	if (ds->ops->connect_tag_protocol) {  in dsa_switch_setup_tag_protocol()
600 		err = ds->ops->connect_tag_protocol(ds, tag_ops->proto);  in dsa_switch_setup_tag_protocol()
602 			dev_err(ds->dev,  in dsa_switch_setup_tag_protocol()
613 		tag_ops->disconnect(ds);  in dsa_switch_setup_tag_protocol()
618 static void dsa_switch_teardown_tag_protocol(struct dsa_switch *ds)  in dsa_switch_teardown_tag_protocol()  argument
620 	const struct dsa_device_ops *tag_ops = ds->dst->tag_ops;  in dsa_switch_teardown_tag_protocol()
623 		tag_ops->disconnect(ds);  in dsa_switch_teardown_tag_protocol()
626 static int dsa_switch_setup(struct dsa_switch *ds)  in dsa_switch_setup()  argument
630 	if (ds->setup)  in dsa_switch_setup()
633 	/* Initialize ds->phys_mii_mask before registering the user MDIO bus  in dsa_switch_setup()
638 	ds->phys_mii_mask |= dsa_user_ports(ds);  in dsa_switch_setup()
640 	err = dsa_switch_devlink_alloc(ds);  in dsa_switch_setup()
644 	err = dsa_switch_register_notifier(ds);  in dsa_switch_setup()
648 	ds->configure_vlan_while_not_filtering = true;  in dsa_switch_setup()
650 	err = ds->ops->setup(ds);  in dsa_switch_setup()
654 	err = dsa_switch_setup_tag_protocol(ds);  in dsa_switch_setup()
658 	if (!ds->user_mii_bus && ds->ops->phy_read) {  in dsa_switch_setup()
659 		ds->user_mii_bus = mdiobus_alloc();  in dsa_switch_setup()
660 		if (!ds->user_mii_bus) {  in dsa_switch_setup()
665 		dsa_user_mii_bus_init(ds);  in dsa_switch_setup()
667 		err = mdiobus_register(ds->user_mii_bus);  in dsa_switch_setup()
672 	dsa_switch_devlink_register(ds);  in dsa_switch_setup()
674 	ds->setup = true;  in dsa_switch_setup()
678 	if (ds->user_mii_bus && ds->ops->phy_read)  in dsa_switch_setup()
679 		mdiobus_free(ds->user_mii_bus);  in dsa_switch_setup()
681 	if (ds->ops->teardown)  in dsa_switch_setup()
682 		ds->ops->teardown(ds);  in dsa_switch_setup()
684 	dsa_switch_unregister_notifier(ds);  in dsa_switch_setup()
686 	dsa_switch_devlink_free(ds);  in dsa_switch_setup()
690 static void dsa_switch_teardown(struct dsa_switch *ds)  in dsa_switch_teardown()  argument
692 	if (!ds->setup)  in dsa_switch_teardown()
695 	dsa_switch_devlink_unregister(ds);  in dsa_switch_teardown()
697 	if (ds->user_mii_bus && ds->ops->phy_read) {  in dsa_switch_teardown()
698 		mdiobus_unregister(ds->user_mii_bus);  in dsa_switch_teardown()
699 		mdiobus_free(ds->user_mii_bus);  in dsa_switch_teardown()
700 		ds->user_mii_bus = NULL;  in dsa_switch_teardown()
703 	dsa_switch_teardown_tag_protocol(ds);  in dsa_switch_teardown()
705 	if (ds->ops->teardown)  in dsa_switch_teardown()
706 		ds->ops->teardown(ds);  in dsa_switch_teardown()
708 	dsa_switch_unregister_notifier(ds);  in dsa_switch_teardown()
710 	dsa_switch_devlink_free(ds);  in dsa_switch_teardown()
712 	ds->setup = false;  in dsa_switch_teardown()
739 		dsa_switch_teardown(dp->ds);  in dsa_tree_teardown_switches()
781 		err = dsa_switch_setup(dp->ds);  in dsa_tree_setup_switches()
845 		if (dp->ds->num_lag_ids > len)  in dsa_tree_setup_lags()
846 			len = dp->ds->num_lag_ids;  in dsa_tree_setup_lags()
1091 static struct dsa_port *dsa_port_touch(struct dsa_switch *ds, int index)  in dsa_port_touch()  argument
1093 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_touch()
1096 	dsa_switch_for_each_port(dp, ds)  in dsa_port_touch()
1104 	dp->ds = ds;  in dsa_port_touch()
1137 	struct dsa_switch *mds, *ds = dp->ds;  in dsa_get_tag_protocol()  local
1147 		mds = mdp->ds;  in dsa_get_tag_protocol()
1156 	return ds->ops->get_tag_protocol(ds, dp->index, tag_protocol);  in dsa_get_tag_protocol()
1163 	struct dsa_switch *ds = dp->ds;  in dsa_port_parse_cpu()  local
1164 	struct dsa_switch_tree *dst = ds->dst;  in dsa_port_parse_cpu()
1171 			dev_err(ds->dev,  in dsa_port_parse_cpu()
1181 		if (!ds->ops->change_tag_protocol) {  in dsa_port_parse_cpu()
1182 			dev_err(ds->dev, "Tag protocol cannot be modified\n");  in dsa_port_parse_cpu()
1188 			dev_warn(ds->dev,  in dsa_port_parse_cpu()
1202 		dev_warn(ds->dev, "No tagger for this switch\n");  in dsa_port_parse_cpu()
1208 			dev_err(ds->dev,  in dsa_port_parse_cpu()
1271 static int dsa_switch_parse_ports_of(struct dsa_switch *ds,  in dsa_switch_parse_ports_of()  argument
1284 			dev_err(ds->dev, "no ports child node found\n");  in dsa_switch_parse_ports_of()
1296 		if (reg >= ds->num_ports) {  in dsa_switch_parse_ports_of()
1297 			dev_err(ds->dev, "port %pOF index %u exceeds num_ports (%u)\n",  in dsa_switch_parse_ports_of()
1298 				port, reg, ds->num_ports);  in dsa_switch_parse_ports_of()
1304 		dp = dsa_to_port(ds, reg);  in dsa_switch_parse_ports_of()
1318 static int dsa_switch_parse_member_of(struct dsa_switch *ds,  in dsa_switch_parse_member_of()  argument
1329 	ds->index = m[1];  in dsa_switch_parse_member_of()
1331 	ds->dst = dsa_tree_touch(m[0]);  in dsa_switch_parse_member_of()
1332 	if (!ds->dst)  in dsa_switch_parse_member_of()
1335 	if (dsa_switch_find(ds->dst->index, ds->index)) {  in dsa_switch_parse_member_of()
1336 		dev_err(ds->dev,  in dsa_switch_parse_member_of()
1338 			ds->index, ds->dst->index);  in dsa_switch_parse_member_of()
1342 	if (ds->dst->last_switch < ds->index)  in dsa_switch_parse_member_of()
1343 		ds->dst->last_switch = ds->index;  in dsa_switch_parse_member_of()
1348 static int dsa_switch_touch_ports(struct dsa_switch *ds)  in dsa_switch_touch_ports()  argument
1353 	for (port = 0; port < ds->num_ports; port++) {  in dsa_switch_touch_ports()
1354 		dp = dsa_port_touch(ds, port);  in dsa_switch_touch_ports()
1362 static int dsa_switch_parse_of(struct dsa_switch *ds, struct device_node *dn)  in dsa_switch_parse_of()  argument
1366 	err = dsa_switch_parse_member_of(ds, dn);  in dsa_switch_parse_of()
1370 	err = dsa_switch_touch_ports(ds);  in dsa_switch_parse_of()
1374 	return dsa_switch_parse_ports_of(ds, dn);  in dsa_switch_parse_of()
1434 static int dsa_switch_parse_ports(struct dsa_switch *ds,  in dsa_switch_parse_ports()  argument
1447 		dp = dsa_to_port(ds, i);  in dsa_switch_parse_ports()
1465 static int dsa_switch_parse(struct dsa_switch *ds, struct dsa_chip_data *cd)  in dsa_switch_parse()  argument
1469 	ds->cd = cd;  in dsa_switch_parse()
1474 	ds->index = 0;  in dsa_switch_parse()
1475 	ds->dst = dsa_tree_touch(0);  in dsa_switch_parse()
1476 	if (!ds->dst)  in dsa_switch_parse()
1479 	err = dsa_switch_touch_ports(ds);  in dsa_switch_parse()
1483 	return dsa_switch_parse_ports(ds, cd);  in dsa_switch_parse()
1486 static void dsa_switch_release_ports(struct dsa_switch *ds)  in dsa_switch_release_ports()  argument
1492 	dsa_switch_for_each_port_safe(dp, next, ds) {  in dsa_switch_release_ports()
1499 			dev_info(ds->dev,  in dsa_switch_release_ports()
1507 			dev_info(ds->dev,  in dsa_switch_release_ports()
1519 			dev_info(ds->dev,  in dsa_switch_release_ports()
1531 static int dsa_switch_probe(struct dsa_switch *ds)  in dsa_switch_probe()  argument
1538 	if (!ds->dev)  in dsa_switch_probe()
1541 	pdata = ds->dev->platform_data;  in dsa_switch_probe()
1542 	np = ds->dev->of_node;  in dsa_switch_probe()
1544 	if (!ds->num_ports)  in dsa_switch_probe()
1548 		err = dsa_switch_parse_of(ds, np);  in dsa_switch_probe()
1550 			dsa_switch_release_ports(ds);  in dsa_switch_probe()
1552 		err = dsa_switch_parse(ds, pdata);  in dsa_switch_probe()
1554 			dsa_switch_release_ports(ds);  in dsa_switch_probe()
1562 	dst = ds->dst;  in dsa_switch_probe()
1566 		dsa_switch_release_ports(ds);  in dsa_switch_probe()
1573 int dsa_register_switch(struct dsa_switch *ds)  in dsa_register_switch()  argument
1578 	err = dsa_switch_probe(ds);  in dsa_register_switch()
1579 	dsa_tree_put(ds->dst);  in dsa_register_switch()
1586 static void dsa_switch_remove(struct dsa_switch *ds)  in dsa_switch_remove()  argument
1588 	struct dsa_switch_tree *dst = ds->dst;  in dsa_switch_remove()
1591 	dsa_switch_release_ports(ds);  in dsa_switch_remove()
1595 void dsa_unregister_switch(struct dsa_switch *ds)  in dsa_unregister_switch()  argument
1598 	dsa_switch_remove(ds);  in dsa_unregister_switch()
1608 void dsa_switch_shutdown(struct dsa_switch *ds)  in dsa_switch_shutdown()  argument
1616 	if (!ds->setup)  in dsa_switch_shutdown()
1621 	dsa_switch_for_each_cpu_port(dp, ds)  in dsa_switch_shutdown()
1626 	dsa_switch_for_each_user_port(dp, ds) {  in dsa_switch_shutdown()
1637 	dsa_switch_for_each_cpu_port(dp, ds)  in dsa_switch_shutdown()
1652 int dsa_switch_suspend(struct dsa_switch *ds)  in dsa_switch_suspend()  argument
1658 	dsa_switch_for_each_port(dp, ds) {  in dsa_switch_suspend()
1667 	if (ds->ops->suspend)  in dsa_switch_suspend()
1668 		ret = ds->ops->suspend(ds);  in dsa_switch_suspend()
1674 int dsa_switch_resume(struct dsa_switch *ds)  in dsa_switch_resume()  argument
1679 	if (ds->ops->resume)  in dsa_switch_resume()
1680 		ret = ds->ops->resume(ds);  in dsa_switch_resume()
1686 	dsa_switch_for_each_port(dp, ds) {  in dsa_switch_resume()
1727 bool dsa_fdb_present_in_other_db(struct dsa_switch *ds, int port,  in dsa_fdb_present_in_other_db()  argument
1731 	struct dsa_port *dp = dsa_to_port(ds, port);  in dsa_fdb_present_in_other_db()
1748 bool dsa_mdb_present_in_other_db(struct dsa_switch *ds, int port,  in dsa_mdb_present_in_other_db()  argument
1752 	struct dsa_port *dp = dsa_to_port(ds, port);  in dsa_mdb_present_in_other_db()