net: dsa: isolate legacy code (a6a71f19) · Commits · 方亚芬 / linux

include/net/dsa.h

+3 −1

Original line number	Diff line number	Diff line
		@@ -302,7 +302,7 @@ struct dsa_notifier_bridge_info {

		struct dsa_switch_ops {
		/*
		* Probing and setup.
		* Legacy probing.
		*/
		const char (probe)(struct device *dsa_dev,
		struct device *host_dev, int sw_addr,
		@@ -472,9 +472,11 @@ struct dsa_switch_driver {
		const struct dsa_switch_ops *ops;
		};

		/* Legacy driver registration */
		void register_switch_driver(struct dsa_switch_driver *type);
		void unregister_switch_driver(struct dsa_switch_driver *type);
		struct mii_bus dsa_host_dev_to_mii_bus(struct device dev);

		struct net_device dsa_dev_to_net_device(struct device dev);

		static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst)

net/dsa/Makefile

+1 −1

Original line number	Diff line number	Diff line
		# the core
		obj-$(CONFIG_NET_DSA) += dsa_core.o
		dsa_core-y += dsa.o slave.o dsa2.o switch.o
		dsa_core-y += dsa.o slave.o dsa2.o switch.o legacy.o

		# tagging formats
		dsa_core-$(CONFIG_NET_DSA_TAG_BRCM) += tag_brcm.o

net/dsa/dsa.c

+2 −766

Original line number	Diff line number	Diff line
		@@ -61,59 +61,6 @@ const struct dsa_device_ops *dsa_device_ops[DSA_TAG_LAST] = {
		[DSA_TAG_PROTO_NONE] = &none_ops,
		};

		/* switch driver registration ***********************************************/
		static DEFINE_MUTEX(dsa_switch_drivers_mutex);
		static LIST_HEAD(dsa_switch_drivers);

		void register_switch_driver(struct dsa_switch_driver *drv)
		{
		mutex_lock(&dsa_switch_drivers_mutex);
		list_add_tail(&drv->list, &dsa_switch_drivers);
		mutex_unlock(&dsa_switch_drivers_mutex);
		}
		EXPORT_SYMBOL_GPL(register_switch_driver);

		void unregister_switch_driver(struct dsa_switch_driver *drv)
		{
		mutex_lock(&dsa_switch_drivers_mutex);
		list_del_init(&drv->list);
		mutex_unlock(&dsa_switch_drivers_mutex);
		}
		EXPORT_SYMBOL_GPL(unregister_switch_driver);

		static const struct dsa_switch_ops *
		dsa_switch_probe(struct device parent, struct device host_dev, int sw_addr,
		const char _name, void priv)
		{
		const struct dsa_switch_ops *ret;
		struct list_head *list;
		const char *name;

		ret = NULL;
		name = NULL;

		mutex_lock(&dsa_switch_drivers_mutex);
		list_for_each(list, &dsa_switch_drivers) {
		const struct dsa_switch_ops *ops;
		struct dsa_switch_driver *drv;

		drv = list_entry(list, struct dsa_switch_driver, list);
		ops = drv->ops;

		name = ops->probe(parent, host_dev, sw_addr, priv);
		if (name != NULL) {
		ret = ops;
		break;
		}
		}
		mutex_unlock(&dsa_switch_drivers_mutex);

		*_name = name;

		return ret;
		}

		/* basic switch operations **************************************************/
		int dsa_cpu_dsa_setup(struct dsa_switch ds, struct device dev,
		struct dsa_port *dport, int port)
		{
		@@ -145,23 +92,6 @@ int dsa_cpu_dsa_setup(struct dsa_switch ds, struct device dev,
		return 0;
		}

		static int dsa_cpu_dsa_setups(struct dsa_switch ds, struct device dev)
		{
		struct dsa_port *dport;
		int ret, port;

		for (port = 0; port < ds->num_ports; port++) {
		if (!(dsa_is_cpu_port(ds, port) \|\| dsa_is_dsa_port(ds, port)))
		continue;

		dport = &ds->ports[port];
		ret = dsa_cpu_dsa_setup(ds, dev, dport, port);
		if (ret)
		return ret;
		}
		return 0;
		}

		const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol)
		{
		const struct dsa_device_ops *ops;
		@@ -211,168 +141,6 @@ void dsa_cpu_port_ethtool_restore(struct dsa_switch *ds)
		master->ethtool_ops = ds->dst->master_orig_ethtool_ops;
		}

		static int dsa_switch_setup_one(struct dsa_switch ds, struct device parent)
		{
		const struct dsa_switch_ops *ops = ds->ops;
		struct dsa_switch_tree *dst = ds->dst;
		struct dsa_chip_data *cd = ds->cd;
		bool valid_name_found = false;
		int index = ds->index;
		int i, ret;

		/*
		* Validate supplied switch configuration.
		*/
		for (i = 0; i < ds->num_ports; i++) {
		char *name;

		name = cd->port_names[i];
		if (name == NULL)
		continue;

		if (!strcmp(name, "cpu")) {
		if (dst->cpu_switch) {
		netdev_err(dst->master_netdev,
		"multiple cpu ports?!\n");
		return -EINVAL;
		}
		dst->cpu_switch = ds;
		dst->cpu_port = i;
		ds->cpu_port_mask \|= 1 << i;
		} else if (!strcmp(name, "dsa")) {
		ds->dsa_port_mask \|= 1 << i;
		} else {
		ds->enabled_port_mask \|= 1 << i;
		}
		valid_name_found = true;
		}

		if (!valid_name_found && i == ds->num_ports)
		return -EINVAL;

		/* Make the built-in MII bus mask match the number of ports,
		* switch drivers can override this later
		*/
		ds->phys_mii_mask = ds->enabled_port_mask;

		/*
		* If the CPU connects to this switch, set the switch tree
		* tagging protocol to the preferred tagging format of this
		* switch.
		*/
		if (dst->cpu_switch == ds) {
		enum dsa_tag_protocol tag_protocol;

		tag_protocol = ops->get_tag_protocol(ds);
		dst->tag_ops = dsa_resolve_tag_protocol(tag_protocol);
		if (IS_ERR(dst->tag_ops))
		return PTR_ERR(dst->tag_ops);

		dst->rcv = dst->tag_ops->rcv;
		}

		memcpy(ds->rtable, cd->rtable, sizeof(ds->rtable));

		/*
		* Do basic register setup.
		*/
		ret = ops->setup(ds);
		if (ret < 0)
		return ret;

		ret = dsa_switch_register_notifier(ds);
		if (ret)
		return ret;

		if (ops->set_addr) {
		ret = ops->set_addr(ds, dst->master_netdev->dev_addr);
		if (ret < 0)
		return ret;
		}

		if (!ds->slave_mii_bus && ops->phy_read) {
		ds->slave_mii_bus = devm_mdiobus_alloc(parent);
		if (!ds->slave_mii_bus)
		return -ENOMEM;
		dsa_slave_mii_bus_init(ds);

		ret = mdiobus_register(ds->slave_mii_bus);
		if (ret < 0)
		return ret;
		}

		/*
		* Create network devices for physical switch ports.
		*/
		for (i = 0; i < ds->num_ports; i++) {
		ds->ports[i].dn = cd->port_dn[i];

		if (!(ds->enabled_port_mask & (1 << i)))
		continue;

		ret = dsa_slave_create(ds, parent, i, cd->port_names[i]);
		if (ret < 0)
		netdev_err(dst->master_netdev, "[%d]: can't create dsa slave device for port %d(%s): %d\n",
		index, i, cd->port_names[i], ret);
		}

		/* Perform configuration of the CPU and DSA ports */
		ret = dsa_cpu_dsa_setups(ds, parent);
		if (ret < 0)
		netdev_err(dst->master_netdev, "[%d] : can't configure CPU and DSA ports\n",
		index);

		ret = dsa_cpu_port_ethtool_setup(ds);
		if (ret)
		return ret;

		return 0;
		}

		static struct dsa_switch *
		dsa_switch_setup(struct dsa_switch_tree *dst, int index,
		struct device parent, struct device host_dev)
		{
		struct dsa_chip_data *cd = dst->pd->chip + index;
		const struct dsa_switch_ops *ops;
		struct dsa_switch *ds;
		int ret;
		const char *name;
		void *priv;

		/*
		* Probe for switch model.
		*/
		ops = dsa_switch_probe(parent, host_dev, cd->sw_addr, &name, &priv);
		if (!ops) {
		netdev_err(dst->master_netdev, "[%d]: could not detect attached switch\n",
		index);
		return ERR_PTR(-EINVAL);
		}
		netdev_info(dst->master_netdev, "[%d]: detected a %s switch\n",
		index, name);


		/*
		* Allocate and initialise switch state.
		*/
		ds = dsa_switch_alloc(parent, DSA_MAX_PORTS);
		if (!ds)
		return ERR_PTR(-ENOMEM);

		ds->dst = dst;
		ds->index = index;
		ds->cd = cd;
		ds->ops = ops;
		ds->priv = priv;

		ret = dsa_switch_setup_one(ds, parent);
		if (ret)
		return ERR_PTR(ret);

		return ds;
		}

		void dsa_cpu_dsa_destroy(struct dsa_port *port)
		{
		struct device_node *port_dn = port->dn;
		@@ -381,86 +149,6 @@ void dsa_cpu_dsa_destroy(struct dsa_port *port)
		of_phy_deregister_fixed_link(port_dn);
		}

		static void dsa_switch_destroy(struct dsa_switch *ds)
		{
		int port;

		/* Destroy network devices for physical switch ports. */
		for (port = 0; port < ds->num_ports; port++) {
		if (!(ds->enabled_port_mask & (1 << port)))
		continue;

		if (!ds->ports[port].netdev)
		continue;

		dsa_slave_destroy(ds->ports[port].netdev);
		}

		/* Disable configuration of the CPU and DSA ports */
		for (port = 0; port < ds->num_ports; port++) {
		if (!(dsa_is_cpu_port(ds, port) \|\| dsa_is_dsa_port(ds, port)))
		continue;
		dsa_cpu_dsa_destroy(&ds->ports[port]);

		/* Clearing a bit which is not set does no harm */
		ds->cpu_port_mask \|= ~(1 << port);
		ds->dsa_port_mask \|= ~(1 << port);
		}

		if (ds->slave_mii_bus && ds->ops->phy_read)
		mdiobus_unregister(ds->slave_mii_bus);

		dsa_switch_unregister_notifier(ds);
		}

		#ifdef CONFIG_PM_SLEEP
		int dsa_switch_suspend(struct dsa_switch *ds)
		{
		int i, ret = 0;

		/* Suspend slave network devices */
		for (i = 0; i < ds->num_ports; i++) {
		if (!dsa_is_port_initialized(ds, i))
		continue;

		ret = dsa_slave_suspend(ds->ports[i].netdev);
		if (ret)
		return ret;
		}

		if (ds->ops->suspend)
		ret = ds->ops->suspend(ds);

		return ret;
		}
		EXPORT_SYMBOL_GPL(dsa_switch_suspend);

		int dsa_switch_resume(struct dsa_switch *ds)
		{
		int i, ret = 0;

		if (ds->ops->resume)
		ret = ds->ops->resume(ds);

		if (ret)
		return ret;

		/* Resume slave network devices */
		for (i = 0; i < ds->num_ports; i++) {
		if (!dsa_is_port_initialized(ds, i))
		continue;

		ret = dsa_slave_resume(ds->ports[i].netdev);
		if (ret)
		return ret;
		}

		return 0;
		}
		EXPORT_SYMBOL_GPL(dsa_switch_resume);
		#endif

		/* platform driver init and cleanup *****************************************/
		static int dev_is_class(struct device dev, void class)
		{
		if (dev->class != NULL && !strcmp(dev->class->name, class))
		@@ -479,24 +167,6 @@ static struct device dev_find_class(struct device parent, char *class)
		return device_find_child(parent, class, dev_is_class);
		}

		struct mii_bus dsa_host_dev_to_mii_bus(struct device dev)
		{
		struct device *d;

		d = dev_find_class(dev, "mdio_bus");
		if (d != NULL) {
		struct mii_bus *bus;

		bus = to_mii_bus(d);
		put_device(d);

		return bus;
		}

		return NULL;
		}
		EXPORT_SYMBOL_GPL(dsa_host_dev_to_mii_bus);

		struct net_device dsa_dev_to_net_device(struct device dev)
		{
		struct device *d;
		@@ -516,387 +186,6 @@ struct net_device dsa_dev_to_net_device(struct device dev)
		}
		EXPORT_SYMBOL_GPL(dsa_dev_to_net_device);

		#ifdef CONFIG_OF
		static int dsa_of_setup_routing_table(struct dsa_platform_data *pd,
		struct dsa_chip_data *cd,
		int chip_index, int port_index,
		struct device_node *link)
		{
		const __be32 *reg;
		int link_sw_addr;
		struct device_node *parent_sw;
		int len;

		parent_sw = of_get_parent(link);
		if (!parent_sw)
		return -EINVAL;

		reg = of_get_property(parent_sw, "reg", &len);
		if (!reg \|\| (len != sizeof(reg) 2))
		return -EINVAL;

		/*
		* Get the destination switch number from the second field of its 'reg'
		* property, i.e. for "reg = <0x19 1>" sw_addr is '1'.
		*/
		link_sw_addr = be32_to_cpup(reg + 1);

		if (link_sw_addr >= pd->nr_chips)
		return -EINVAL;

		cd->rtable[link_sw_addr] = port_index;

		return 0;
		}

		static int dsa_of_probe_links(struct dsa_platform_data *pd,
		struct dsa_chip_data *cd,
		int chip_index, int port_index,
		struct device_node *port,
		const char *port_name)
		{
		struct device_node *link;
		int link_index;
		int ret;

		for (link_index = 0;; link_index++) {
		link = of_parse_phandle(port, "link", link_index);
		if (!link)
		break;

		if (!strcmp(port_name, "dsa") && pd->nr_chips > 1) {
		ret = dsa_of_setup_routing_table(pd, cd, chip_index,
		port_index, link);
		if (ret)
		return ret;
		}
		}
		return 0;
		}

		static void dsa_of_free_platform_data(struct dsa_platform_data *pd)
		{
		int i;
		int port_index;

		for (i = 0; i < pd->nr_chips; i++) {
		port_index = 0;
		while (port_index < DSA_MAX_PORTS) {
		kfree(pd->chip[i].port_names[port_index]);
		port_index++;
		}

		/* Drop our reference to the MDIO bus device */
		if (pd->chip[i].host_dev)
		put_device(pd->chip[i].host_dev);
		}
		kfree(pd->chip);
		}

		static int dsa_of_probe(struct device *dev)
		{
		struct device_node *np = dev->of_node;
		struct device_node child, mdio, ethernet, port;
		struct mii_bus mdio_bus, mdio_bus_switch;
		struct net_device *ethernet_dev;
		struct dsa_platform_data *pd;
		struct dsa_chip_data *cd;
		const char *port_name;
		int chip_index, port_index;
		const unsigned int sw_addr, port_reg;
		u32 eeprom_len;
		int ret;

		mdio = of_parse_phandle(np, "dsa,mii-bus", 0);
		if (!mdio)
		return -EINVAL;

		mdio_bus = of_mdio_find_bus(mdio);
		if (!mdio_bus)
		return -EPROBE_DEFER;

		ethernet = of_parse_phandle(np, "dsa,ethernet", 0);
		if (!ethernet) {
		ret = -EINVAL;
		goto out_put_mdio;
		}

		ethernet_dev = of_find_net_device_by_node(ethernet);
		if (!ethernet_dev) {
		ret = -EPROBE_DEFER;
		goto out_put_mdio;
		}

		pd = kzalloc(sizeof(*pd), GFP_KERNEL);
		if (!pd) {
		ret = -ENOMEM;
		goto out_put_ethernet;
		}

		dev->platform_data = pd;
		pd->of_netdev = ethernet_dev;
		pd->nr_chips = of_get_available_child_count(np);
		if (pd->nr_chips > DSA_MAX_SWITCHES)
		pd->nr_chips = DSA_MAX_SWITCHES;

		pd->chip = kcalloc(pd->nr_chips, sizeof(struct dsa_chip_data),
		GFP_KERNEL);
		if (!pd->chip) {
		ret = -ENOMEM;
		goto out_free;
		}

		chip_index = -1;
		for_each_available_child_of_node(np, child) {
		int i;

		chip_index++;
		cd = &pd->chip[chip_index];

		cd->of_node = child;

		/* Initialize the routing table */
		for (i = 0; i < DSA_MAX_SWITCHES; ++i)
		cd->rtable[i] = DSA_RTABLE_NONE;

		/* When assigning the host device, increment its refcount */
		cd->host_dev = get_device(&mdio_bus->dev);

		sw_addr = of_get_property(child, "reg", NULL);
		if (!sw_addr)
		continue;

		cd->sw_addr = be32_to_cpup(sw_addr);
		if (cd->sw_addr >= PHY_MAX_ADDR)
		continue;

		if (!of_property_read_u32(child, "eeprom-length", &eeprom_len))
		cd->eeprom_len = eeprom_len;

		mdio = of_parse_phandle(child, "mii-bus", 0);
		if (mdio) {
		mdio_bus_switch = of_mdio_find_bus(mdio);
		if (!mdio_bus_switch) {
		ret = -EPROBE_DEFER;
		goto out_free_chip;
		}

		/* Drop the mdio_bus device ref, replacing the host
		* device with the mdio_bus_switch device, keeping
		* the refcount from of_mdio_find_bus() above.
		*/
		put_device(cd->host_dev);
		cd->host_dev = &mdio_bus_switch->dev;
		}

		for_each_available_child_of_node(child, port) {
		port_reg = of_get_property(port, "reg", NULL);
		if (!port_reg)
		continue;

		port_index = be32_to_cpup(port_reg);
		if (port_index >= DSA_MAX_PORTS)
		break;

		port_name = of_get_property(port, "label", NULL);
		if (!port_name)
		continue;

		cd->port_dn[port_index] = port;

		cd->port_names[port_index] = kstrdup(port_name,
		GFP_KERNEL);
		if (!cd->port_names[port_index]) {
		ret = -ENOMEM;
		goto out_free_chip;
		}

		ret = dsa_of_probe_links(pd, cd, chip_index,
		port_index, port, port_name);
		if (ret)
		goto out_free_chip;

		}
		}

		/* The individual chips hold their own refcount on the mdio bus,
		* so drop ours */
		put_device(&mdio_bus->dev);

		return 0;

		out_free_chip:
		dsa_of_free_platform_data(pd);
		out_free:
		kfree(pd);
		dev->platform_data = NULL;
		out_put_ethernet:
		put_device(&ethernet_dev->dev);
		out_put_mdio:
		put_device(&mdio_bus->dev);
		return ret;
		}

		static void dsa_of_remove(struct device *dev)
		{
		struct dsa_platform_data *pd = dev->platform_data;

		if (!dev->of_node)
		return;

		dsa_of_free_platform_data(pd);
		put_device(&pd->of_netdev->dev);
		kfree(pd);
		}
		#else
		static inline int dsa_of_probe(struct device *dev)
		{
		return 0;
		}

		static inline void dsa_of_remove(struct device *dev)
		{
		}
		#endif

		static int dsa_setup_dst(struct dsa_switch_tree dst, struct net_device dev,
		struct device parent, struct dsa_platform_data pd)
		{
		int i;
		unsigned configured = 0;

		dst->pd = pd;
		dst->master_netdev = dev;
		dst->cpu_port = -1;

		for (i = 0; i < pd->nr_chips; i++) {
		struct dsa_switch *ds;

		ds = dsa_switch_setup(dst, i, parent, pd->chip[i].host_dev);
		if (IS_ERR(ds)) {
		netdev_err(dev, "[%d]: couldn't create dsa switch instance (error %ld)\n",
		i, PTR_ERR(ds));
		continue;
		}

		dst->ds[i] = ds;

		++configured;
		}

		/*
		* If no switch was found, exit cleanly
		*/
		if (!configured)
		return -EPROBE_DEFER;

		/*
		* If we use a tagging format that doesn't have an ethertype
		* field, make sure that all packets from this point on get
		* sent to the tag format's receive function.
		*/
		wmb();
		dev->dsa_ptr = (void *)dst;

		return 0;
		}

		static int dsa_probe(struct platform_device *pdev)
		{
		struct dsa_platform_data *pd = pdev->dev.platform_data;
		struct net_device *dev;
		struct dsa_switch_tree *dst;
		int ret;

		if (pdev->dev.of_node) {
		ret = dsa_of_probe(&pdev->dev);
		if (ret)
		return ret;

		pd = pdev->dev.platform_data;
		}

		if (pd == NULL \|\| (pd->netdev == NULL && pd->of_netdev == NULL))
		return -EINVAL;

		if (pd->of_netdev) {
		dev = pd->of_netdev;
		dev_hold(dev);
		} else {
		dev = dsa_dev_to_net_device(pd->netdev);
		}
		if (dev == NULL) {
		ret = -EPROBE_DEFER;
		goto out;
		}

		if (dev->dsa_ptr != NULL) {
		dev_put(dev);
		ret = -EEXIST;
		goto out;
		}

		dst = devm_kzalloc(&pdev->dev, sizeof(*dst), GFP_KERNEL);
		if (dst == NULL) {
		dev_put(dev);
		ret = -ENOMEM;
		goto out;
		}

		platform_set_drvdata(pdev, dst);

		ret = dsa_setup_dst(dst, dev, &pdev->dev, pd);
		if (ret) {
		dev_put(dev);
		goto out;
		}

		return 0;

		out:
		dsa_of_remove(&pdev->dev);

		return ret;
		}

		static void dsa_remove_dst(struct dsa_switch_tree *dst)
		{
		int i;

		dst->master_netdev->dsa_ptr = NULL;

		/* If we used a tagging format that doesn't have an ethertype
		* field, make sure that all packets from this point get sent
		* without the tag and go through the regular receive path.
		*/
		wmb();

		for (i = 0; i < dst->pd->nr_chips; i++) {
		struct dsa_switch *ds = dst->ds[i];

		if (ds)
		dsa_switch_destroy(ds);
		}

		dsa_cpu_port_ethtool_restore(dst->cpu_switch);

		dev_put(dst->master_netdev);
		}

		static int dsa_remove(struct platform_device *pdev)
		{
		struct dsa_switch_tree *dst = platform_get_drvdata(pdev);

		dsa_remove_dst(dst);
		dsa_of_remove(&pdev->dev);

		return 0;
		}

		static void dsa_shutdown(struct platform_device *pdev)
		{
		}

		static int dsa_switch_rcv(struct sk_buff skb, struct net_device dev,
		struct packet_type pt, struct net_device orig_dev)
		{
		@@ -936,59 +225,6 @@ static struct packet_type dsa_pack_type __read_mostly = {
		.func = dsa_switch_rcv,
		};

		#ifdef CONFIG_PM_SLEEP
		static int dsa_suspend(struct device *d)
		{
		struct platform_device *pdev = to_platform_device(d);
		struct dsa_switch_tree *dst = platform_get_drvdata(pdev);
		int i, ret = 0;

		for (i = 0; i < dst->pd->nr_chips; i++) {
		struct dsa_switch *ds = dst->ds[i];

		if (ds != NULL)
		ret = dsa_switch_suspend(ds);
		}

		return ret;
		}

		static int dsa_resume(struct device *d)
		{
		struct platform_device *pdev = to_platform_device(d);
		struct dsa_switch_tree *dst = platform_get_drvdata(pdev);
		int i, ret = 0;

		for (i = 0; i < dst->pd->nr_chips; i++) {
		struct dsa_switch *ds = dst->ds[i];

		if (ds != NULL)
		ret = dsa_switch_resume(ds);
		}

		return ret;
		}
		#endif

		static SIMPLE_DEV_PM_OPS(dsa_pm_ops, dsa_suspend, dsa_resume);

		static const struct of_device_id dsa_of_match_table[] = {
		{ .compatible = "marvell,dsa", },
		{}
		};
		MODULE_DEVICE_TABLE(of, dsa_of_match_table);

		static struct platform_driver dsa_driver = {
		.probe = dsa_probe,
		.remove = dsa_remove,
		.shutdown = dsa_shutdown,
		.driver = {
		.name = "dsa",
		.of_match_table = dsa_of_match_table,
		.pm = &dsa_pm_ops,
		},
		};

		static int __init dsa_init_module(void)
		{
		int rc;
		@@ -997,7 +233,7 @@ static int __init dsa_init_module(void)
		if (rc)
		return rc;

		rc = platform_driver_register(&dsa_driver);
		rc = dsa_legacy_register();
		if (rc)
		return rc;

		@@ -1011,7 +247,7 @@ static void __exit dsa_cleanup_module(void)
		{
		dsa_slave_unregister_notifier();
		dev_remove_pack(&dsa_pack_type);
		platform_driver_unregister(&dsa_driver);
		dsa_legacy_unregister();
		}
		module_exit(dsa_cleanup_module);

net/dsa/dsa_priv.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -55,6 +55,10 @@ const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol);
		int dsa_cpu_port_ethtool_setup(struct dsa_switch *ds);
		void dsa_cpu_port_ethtool_restore(struct dsa_switch *ds);

		/* legacy.c */
		int dsa_legacy_register(void);
		void dsa_legacy_unregister(void);

		/* slave.c */
		extern const struct dsa_device_ops notag_netdev_ops;
		void dsa_slave_mii_bus_init(struct dsa_switch *ds);

net/dsa/legacy.c

0 → 100644

+818 −0

File added.

Preview size limit exceeded, changes collapsed.