[net-next-2.6.git] / net / dsa / slave.c

/*
 * net/dsa/slave.c - Slave device handling
 * Copyright (c) 2008-2009 Marvell Semiconductor
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#include <linux/list.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/phy.h>
#include "dsa_priv.h"

/* slave mii_bus handling ***************************************************/
static int dsa_slave_phy_read(struct mii_bus *bus, int addr, int reg)
{
	struct dsa_switch *ds = bus->priv;

	if (ds->phys_port_mask & (1 << addr))
		return ds->drv->phy_read(ds, addr, reg);

	return 0xffff;
}

static int dsa_slave_phy_write(struct mii_bus *bus, int addr, int reg, u16 val)
{
	struct dsa_switch *ds = bus->priv;

	if (ds->phys_port_mask & (1 << addr))
		return ds->drv->phy_write(ds, addr, reg, val);

	return 0;
}

void dsa_slave_mii_bus_init(struct dsa_switch *ds)
{
	ds->slave_mii_bus->priv = (void *)ds;
	ds->slave_mii_bus->name = "dsa slave smi";
	ds->slave_mii_bus->read = dsa_slave_phy_read;
	ds->slave_mii_bus->write = dsa_slave_phy_write;
	snprintf(ds->slave_mii_bus->id, MII_BUS_ID_SIZE, "%s:%.2x",
			ds->master_mii_bus->id, ds->pd->sw_addr);
	ds->slave_mii_bus->parent = &ds->master_mii_bus->dev;
}


/* slave device handling ****************************************************/
static int dsa_slave_init(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);

	dev->iflink = p->parent->dst->master_netdev->ifindex;

	return 0;
}

static int dsa_slave_open(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct net_device *master = p->parent->dst->master_netdev;
	int err;

	if (!(master->flags & IFF_UP))
		return -ENETDOWN;

	if (compare_ether_addr(dev->dev_addr, master->dev_addr)) {
		err = dev_uc_add(master, dev->dev_addr);
		if (err < 0)
			goto out;
	}

	if (dev->flags & IFF_ALLMULTI) {
		err = dev_set_allmulti(master, 1);
		if (err < 0)
			goto del_unicast;
	}
	if (dev->flags & IFF_PROMISC) {
		err = dev_set_promiscuity(master, 1);
		if (err < 0)
			goto clear_allmulti;
	}

	return 0;

clear_allmulti:
	if (dev->flags & IFF_ALLMULTI)
		dev_set_allmulti(master, -1);
del_unicast:
	if (compare_ether_addr(dev->dev_addr, master->dev_addr))
		dev_uc_del(master, dev->dev_addr);
out:
	return err;
}

static int dsa_slave_close(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct net_device *master = p->parent->dst->master_netdev;

	dev_mc_unsync(master, dev);
	dev_uc_unsync(master, dev);
	if (dev->flags & IFF_ALLMULTI)
		dev_set_allmulti(master, -1);
	if (dev->flags & IFF_PROMISC)
		dev_set_promiscuity(master, -1);

	if (compare_ether_addr(dev->dev_addr, master->dev_addr))
		dev_uc_del(master, dev->dev_addr);

	return 0;
}

static void dsa_slave_change_rx_flags(struct net_device *dev, int change)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct net_device *master = p->parent->dst->master_netdev;

	if (change & IFF_ALLMULTI)
		dev_set_allmulti(master, dev->flags & IFF_ALLMULTI ? 1 : -1);
	if (change & IFF_PROMISC)
		dev_set_promiscuity(master, dev->flags & IFF_PROMISC ? 1 : -1);
}

static void dsa_slave_set_rx_mode(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct net_device *master = p->parent->dst->master_netdev;

	dev_mc_sync(master, dev);
	dev_uc_sync(master, dev);
}

static int dsa_slave_set_mac_address(struct net_device *dev, void *a)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct net_device *master = p->parent->dst->master_netdev;
	struct sockaddr *addr = a;
	int err;

	if (!is_valid_ether_addr(addr->sa_data))
		return -EADDRNOTAVAIL;

	if (!(dev->flags & IFF_UP))
		goto out;

	if (compare_ether_addr(addr->sa_data, master->dev_addr)) {
		err = dev_uc_add(master, addr->sa_data);
		if (err < 0)
			return err;
	}

	if (compare_ether_addr(dev->dev_addr, master->dev_addr))
		dev_uc_del(master, dev->dev_addr);

out:
	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);

	return 0;
}

static int dsa_slave_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct mii_ioctl_data *mii_data = if_mii(ifr);

	if (p->phy != NULL)
		return phy_mii_ioctl(p->phy, mii_data, cmd);

	return -EOPNOTSUPP;
}


/* ethtool operations *******************************************************/
static int
dsa_slave_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	int err;

	err = -EOPNOTSUPP;
	if (p->phy != NULL) {
		err = phy_read_status(p->phy);
		if (err == 0)
			err = phy_ethtool_gset(p->phy, cmd);
	}

	return err;
}

static int
dsa_slave_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct dsa_slave_priv *p = netdev_priv(dev);

	if (p->phy != NULL)
		return phy_ethtool_sset(p->phy, cmd);

	return -EOPNOTSUPP;
}

static void dsa_slave_get_drvinfo(struct net_device *dev,
				  struct ethtool_drvinfo *drvinfo)
{
	strncpy(drvinfo->driver, "dsa", 32);
	strncpy(drvinfo->version, dsa_driver_version, 32);
	strncpy(drvinfo->fw_version, "N/A", 32);
	strncpy(drvinfo->bus_info, "platform", 32);
}

static int dsa_slave_nway_reset(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);

	if (p->phy != NULL)
		return genphy_restart_aneg(p->phy);

	return -EOPNOTSUPP;
}

static u32 dsa_slave_get_link(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);

	if (p->phy != NULL) {
		genphy_update_link(p->phy);
		return p->phy->link;
	}

	return -EOPNOTSUPP;
}

static void dsa_slave_get_strings(struct net_device *dev,
				  uint32_t stringset, uint8_t *data)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;

	if (stringset == ETH_SS_STATS) {
		int len = ETH_GSTRING_LEN;

		strncpy(data, "tx_packets", len);
		strncpy(data + len, "tx_bytes", len);
		strncpy(data + 2 * len, "rx_packets", len);
		strncpy(data + 3 * len, "rx_bytes", len);
		if (ds->drv->get_strings != NULL)
			ds->drv->get_strings(ds, p->port, data + 4 * len);
	}
}

static void dsa_slave_get_ethtool_stats(struct net_device *dev,
					struct ethtool_stats *stats,
					uint64_t *data)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;

	data[0] = p->dev->stats.tx_packets;
	data[1] = p->dev->stats.tx_bytes;
	data[2] = p->dev->stats.rx_packets;
	data[3] = p->dev->stats.rx_bytes;
	if (ds->drv->get_ethtool_stats != NULL)
		ds->drv->get_ethtool_stats(ds, p->port, data + 4);
}

static int dsa_slave_get_sset_count(struct net_device *dev, int sset)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;

	if (sset == ETH_SS_STATS) {
		int count;

		count = 4;
		if (ds->drv->get_sset_count != NULL)
			count += ds->drv->get_sset_count(ds);

		return count;
	}

	return -EOPNOTSUPP;
}

static const struct ethtool_ops dsa_slave_ethtool_ops = {
	.get_settings		= dsa_slave_get_settings,
	.set_settings		= dsa_slave_set_settings,
	.get_drvinfo		= dsa_slave_get_drvinfo,
	.nway_reset		= dsa_slave_nway_reset,
	.get_link		= dsa_slave_get_link,
	.set_sg			= ethtool_op_set_sg,
	.get_strings		= dsa_slave_get_strings,
	.get_ethtool_stats	= dsa_slave_get_ethtool_stats,
	.get_sset_count		= dsa_slave_get_sset_count,
};

#ifdef CONFIG_NET_DSA_TAG_DSA
static const struct net_device_ops dsa_netdev_ops = {
	.ndo_init		= dsa_slave_init,
	.ndo_open	 	= dsa_slave_open,
	.ndo_stop		= dsa_slave_close,
	.ndo_start_xmit		= dsa_xmit,
	.ndo_change_rx_flags	= dsa_slave_change_rx_flags,
	.ndo_set_rx_mode	= dsa_slave_set_rx_mode,
	.ndo_set_multicast_list = dsa_slave_set_rx_mode,
	.ndo_set_mac_address	= dsa_slave_set_mac_address,
	.ndo_do_ioctl		= dsa_slave_ioctl,
};
#endif
#ifdef CONFIG_NET_DSA_TAG_EDSA
static const struct net_device_ops edsa_netdev_ops = {
	.ndo_init		= dsa_slave_init,
	.ndo_open	 	= dsa_slave_open,
	.ndo_stop		= dsa_slave_close,
	.ndo_start_xmit		= edsa_xmit,
	.ndo_change_rx_flags	= dsa_slave_change_rx_flags,
	.ndo_set_rx_mode	= dsa_slave_set_rx_mode,
	.ndo_set_multicast_list = dsa_slave_set_rx_mode,
	.ndo_set_mac_address	= dsa_slave_set_mac_address,
	.ndo_do_ioctl		= dsa_slave_ioctl,
};
#endif
#ifdef CONFIG_NET_DSA_TAG_TRAILER
static const struct net_device_ops trailer_netdev_ops = {
	.ndo_init		= dsa_slave_init,
	.ndo_open	 	= dsa_slave_open,
	.ndo_stop		= dsa_slave_close,
	.ndo_start_xmit		= trailer_xmit,
	.ndo_change_rx_flags	= dsa_slave_change_rx_flags,
	.ndo_set_rx_mode	= dsa_slave_set_rx_mode,
	.ndo_set_multicast_list = dsa_slave_set_rx_mode,
	.ndo_set_mac_address	= dsa_slave_set_mac_address,
	.ndo_do_ioctl		= dsa_slave_ioctl,
};
#endif

/* slave device setup *******************************************************/
struct net_device *
dsa_slave_create(struct dsa_switch *ds, struct device *parent,
		 int port, char *name)
{
	struct net_device *master = ds->dst->master_netdev;
	struct net_device *slave_dev;
	struct dsa_slave_priv *p;
	int ret;

	slave_dev = alloc_netdev(sizeof(struct dsa_slave_priv),
				 name, ether_setup);
	if (slave_dev == NULL)
		return slave_dev;

	slave_dev->features = master->vlan_features;
	SET_ETHTOOL_OPS(slave_dev, &dsa_slave_ethtool_ops);
	memcpy(slave_dev->dev_addr, master->dev_addr, ETH_ALEN);
	slave_dev->tx_queue_len = 0;

	switch (ds->dst->tag_protocol) {
#ifdef CONFIG_NET_DSA_TAG_DSA
	case htons(ETH_P_DSA):
		slave_dev->netdev_ops = &dsa_netdev_ops;
		break;
#endif
#ifdef CONFIG_NET_DSA_TAG_EDSA
	case htons(ETH_P_EDSA):
		slave_dev->netdev_ops = &edsa_netdev_ops;
		break;
#endif
#ifdef CONFIG_NET_DSA_TAG_TRAILER
	case htons(ETH_P_TRAILER):
		slave_dev->netdev_ops = &trailer_netdev_ops;
		break;
#endif
	default:
		BUG();
	}

	SET_NETDEV_DEV(slave_dev, parent);
	slave_dev->vlan_features = master->vlan_features;

	p = netdev_priv(slave_dev);
	p->dev = slave_dev;
	p->parent = ds;
	p->port = port;
	p->phy = ds->slave_mii_bus->phy_map[port];

	ret = register_netdev(slave_dev);
	if (ret) {
		printk(KERN_ERR "%s: error %d registering interface %s\n",
				master->name, ret, slave_dev->name);
		free_netdev(slave_dev);
		return NULL;
	}

	netif_carrier_off(slave_dev);

	if (p->phy != NULL) {
		phy_attach(slave_dev, dev_name(&p->phy->dev),
			   0, PHY_INTERFACE_MODE_GMII);

		p->phy->autoneg = AUTONEG_ENABLE;
		p->phy->speed = 0;
		p->phy->duplex = 0;
		p->phy->advertising = p->phy->supported | ADVERTISED_Autoneg;
		phy_start_aneg(p->phy);
	}

	return slave_dev;
}
Commit	Line	Data
91da11f8 LB	1	/*
91da11f8 LB	2	* net/dsa/slave.c - Slave device handling
e84665c9	3	* Copyright (c) 2008-2009 Marvell Semiconductor
91da11f8 LB	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation; either version 2 of the License, or
	8	* (at your option) any later version.
	9	*/
	10
	11	#include <linux/list.h>
	12	#include <linux/netdevice.h>
df02c6ff	13	#include <linux/etherdevice.h>
91da11f8 LB	14	#include <linux/phy.h>
	15	#include "dsa_priv.h"
	16
	17	/* slave mii_bus handling ***************************************************/
	18	static int dsa_slave_phy_read(struct mii_bus *bus, int addr, int reg)
	19	{
	20	struct dsa_switch *ds = bus->priv;
	21
e84665c9	22	if (ds->phys_port_mask & (1 << addr))
91da11f8 LB	23	return ds->drv->phy_read(ds, addr, reg);
	24
	25	return 0xffff;
	26	}
	27
	28	static int dsa_slave_phy_write(struct mii_bus *bus, int addr, int reg, u16 val)
	29	{
	30	struct dsa_switch *ds = bus->priv;
	31
e84665c9	32	if (ds->phys_port_mask & (1 << addr))
91da11f8 LB	33	return ds->drv->phy_write(ds, addr, reg, val);
	34
	35	return 0;
	36	}
	37
	38	void dsa_slave_mii_bus_init(struct dsa_switch *ds)
	39	{
	40	ds->slave_mii_bus->priv = (void *)ds;
	41	ds->slave_mii_bus->name = "dsa slave smi";
	42	ds->slave_mii_bus->read = dsa_slave_phy_read;
	43	ds->slave_mii_bus->write = dsa_slave_phy_write;
	44	snprintf(ds->slave_mii_bus->id, MII_BUS_ID_SIZE, "%s:%.2x",
	45	ds->master_mii_bus->id, ds->pd->sw_addr);
e84665c9	46	ds->slave_mii_bus->parent = &ds->master_mii_bus->dev;
91da11f8 LB	47	}
	48
	49
	50	/* slave device handling ****************************************************/
c0840801 LB	51	static int dsa_slave_init(struct net_device *dev)
	52	{
	53	struct dsa_slave_priv *p = netdev_priv(dev);
c0840801	54
e84665c9	55	dev->iflink = p->parent->dst->master_netdev->ifindex;
c0840801 LB	56
	57	return 0;
	58	}
	59
91da11f8 LB	60	static int dsa_slave_open(struct net_device *dev)
91da11f8 LB	61	{
df02c6ff	62	struct dsa_slave_priv *p = netdev_priv(dev);
e84665c9	63	struct net_device *master = p->parent->dst->master_netdev;
df02c6ff LB	64	int err;
	65
	66	if (!(master->flags & IFF_UP))
	67	return -ENETDOWN;
	68
	69	if (compare_ether_addr(dev->dev_addr, master->dev_addr)) {
a748ee24	70	err = dev_uc_add(master, dev->dev_addr);
df02c6ff LB	71	if (err < 0)
	72	goto out;
	73	}
	74
	75	if (dev->flags & IFF_ALLMULTI) {
	76	err = dev_set_allmulti(master, 1);
	77	if (err < 0)
	78	goto del_unicast;
	79	}
	80	if (dev->flags & IFF_PROMISC) {
	81	err = dev_set_promiscuity(master, 1);
	82	if (err < 0)
	83	goto clear_allmulti;
	84	}
	85
91da11f8	86	return 0;
df02c6ff LB	87
	88	clear_allmulti:
	89	if (dev->flags & IFF_ALLMULTI)
	90	dev_set_allmulti(master, -1);
	91	del_unicast:
	92	if (compare_ether_addr(dev->dev_addr, master->dev_addr))
a748ee24	93	dev_uc_del(master, dev->dev_addr);
df02c6ff LB	94	out:
df02c6ff LB	95	return err;
91da11f8 LB	96	}
	97
	98	static int dsa_slave_close(struct net_device *dev)
	99	{
df02c6ff	100	struct dsa_slave_priv *p = netdev_priv(dev);
e84665c9	101	struct net_device *master = p->parent->dst->master_netdev;
df02c6ff LB	102
df02c6ff LB	103	dev_mc_unsync(master, dev);
a748ee24	104	dev_uc_unsync(master, dev);
df02c6ff LB	105	if (dev->flags & IFF_ALLMULTI)
	106	dev_set_allmulti(master, -1);
	107	if (dev->flags & IFF_PROMISC)
	108	dev_set_promiscuity(master, -1);
	109
	110	if (compare_ether_addr(dev->dev_addr, master->dev_addr))
a748ee24	111	dev_uc_del(master, dev->dev_addr);
df02c6ff	112
91da11f8 LB	113	return 0;
	114	}
	115
	116	static void dsa_slave_change_rx_flags(struct net_device *dev, int change)
	117	{
	118	struct dsa_slave_priv *p = netdev_priv(dev);
e84665c9	119	struct net_device *master = p->parent->dst->master_netdev;
91da11f8 LB	120
	121	if (change & IFF_ALLMULTI)
	122	dev_set_allmulti(master, dev->flags & IFF_ALLMULTI ? 1 : -1);
	123	if (change & IFF_PROMISC)
	124	dev_set_promiscuity(master, dev->flags & IFF_PROMISC ? 1 : -1);
	125	}
	126
	127	static void dsa_slave_set_rx_mode(struct net_device *dev)
	128	{
	129	struct dsa_slave_priv *p = netdev_priv(dev);
e84665c9	130	struct net_device *master = p->parent->dst->master_netdev;
91da11f8 LB	131
91da11f8 LB	132	dev_mc_sync(master, dev);
a748ee24	133	dev_uc_sync(master, dev);
91da11f8 LB	134	}
91da11f8 LB	135
df02c6ff	136	static int dsa_slave_set_mac_address(struct net_device dev, void a)
91da11f8	137	{
df02c6ff	138	struct dsa_slave_priv *p = netdev_priv(dev);
e84665c9	139	struct net_device *master = p->parent->dst->master_netdev;
df02c6ff LB	140	struct sockaddr *addr = a;
	141	int err;
	142
	143	if (!is_valid_ether_addr(addr->sa_data))
	144	return -EADDRNOTAVAIL;
	145
	146	if (!(dev->flags & IFF_UP))
	147	goto out;
	148
	149	if (compare_ether_addr(addr->sa_data, master->dev_addr)) {
a748ee24	150	err = dev_uc_add(master, addr->sa_data);
df02c6ff LB	151	if (err < 0)
	152	return err;
	153	}
	154
	155	if (compare_ether_addr(dev->dev_addr, master->dev_addr))
a748ee24	156	dev_uc_del(master, dev->dev_addr);
df02c6ff LB	157
	158	out:
	159	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
91da11f8 LB	160
	161	return 0;
	162	}
	163
	164	static int dsa_slave_ioctl(struct net_device dev, struct ifreq ifr, int cmd)
	165	{
	166	struct dsa_slave_priv *p = netdev_priv(dev);
	167	struct mii_ioctl_data *mii_data = if_mii(ifr);
	168
	169	if (p->phy != NULL)
	170	return phy_mii_ioctl(p->phy, mii_data, cmd);
	171
	172	return -EOPNOTSUPP;
	173	}
	174
	175
	176	/* ethtool operations *******************************************************/
	177	static int
	178	dsa_slave_get_settings(struct net_device dev, struct ethtool_cmd cmd)
	179	{
	180	struct dsa_slave_priv *p = netdev_priv(dev);
	181	int err;
	182
	183	err = -EOPNOTSUPP;
	184	if (p->phy != NULL) {
	185	err = phy_read_status(p->phy);
	186	if (err == 0)
	187	err = phy_ethtool_gset(p->phy, cmd);
	188	}
	189
	190	return err;
	191	}
	192
	193	static int
	194	dsa_slave_set_settings(struct net_device dev, struct ethtool_cmd cmd)
	195	{
	196	struct dsa_slave_priv *p = netdev_priv(dev);
	197
	198	if (p->phy != NULL)
	199	return phy_ethtool_sset(p->phy, cmd);
	200
	201	return -EOPNOTSUPP;
	202	}
	203
	204	static void dsa_slave_get_drvinfo(struct net_device *dev,
	205	struct ethtool_drvinfo *drvinfo)
	206	{
	207	strncpy(drvinfo->driver, "dsa", 32);
	208	strncpy(drvinfo->version, dsa_driver_version, 32);
	209	strncpy(drvinfo->fw_version, "N/A", 32);
	210	strncpy(drvinfo->bus_info, "platform", 32);
	211	}
	212
	213	static int dsa_slave_nway_reset(struct net_device *dev)
	214	{
	215	struct dsa_slave_priv *p = netdev_priv(dev);
	216
	217	if (p->phy != NULL)
	218	return genphy_restart_aneg(p->phy);
	219
	220	return -EOPNOTSUPP;
	221	}
	222
	223	static u32 dsa_slave_get_link(struct net_device *dev)
224	{
225	struct dsa_slave_priv *p = netdev_priv(dev);
226
227	if (p->phy != NULL) {
228	genphy_update_link(p->phy);
229	return p->phy->link;
230	}
231
232	return -EOPNOTSUPP;
233	}
234
235	static void dsa_slave_get_strings(struct net_device *dev,
236	uint32_t stringset, uint8_t *data)
237	{
238	struct dsa_slave_priv *p = netdev_priv(dev);
239	struct dsa_switch *ds = p->parent;
240
241	if (stringset == ETH_SS_STATS) {
242	int len = ETH_GSTRING_LEN;
243
244	strncpy(data, "tx_packets", len);
245	strncpy(data + len, "tx_bytes", len);
246	strncpy(data + 2 * len, "rx_packets", len);
247	strncpy(data + 3 * len, "rx_bytes", len);
248	if (ds->drv->get_strings != NULL)
249	ds->drv->get_strings(ds, p->port, data + 4 * len);
250	}
251	}
252
253	static void dsa_slave_get_ethtool_stats(struct net_device *dev,
254	struct ethtool_stats *stats,
255	uint64_t *data)
256	{
257	struct dsa_slave_priv *p = netdev_priv(dev);
258	struct dsa_switch *ds = p->parent;
259
260	data[0] = p->dev->stats.tx_packets;
261	data[1] = p->dev->stats.tx_bytes;
262	data[2] = p->dev->stats.rx_packets;
263	data[3] = p->dev->stats.rx_bytes;
264	if (ds->drv->get_ethtool_stats != NULL)
265	ds->drv->get_ethtool_stats(ds, p->port, data + 4);
266	}
267
268	static int dsa_slave_get_sset_count(struct net_device *dev, int sset)
269	{
270	struct dsa_slave_priv *p = netdev_priv(dev);
271	struct dsa_switch *ds = p->parent;
272
273	if (sset == ETH_SS_STATS) {
274	int count;
275
276	count = 4;
277	if (ds->drv->get_sset_count != NULL)
278	count += ds->drv->get_sset_count(ds);
279
280	return count;
281	}
282
283	return -EOPNOTSUPP;
284	}
285
286	static const struct ethtool_ops dsa_slave_ethtool_ops = {
287	.get_settings = dsa_slave_get_settings,
288	.set_settings = dsa_slave_set_settings,
289	.get_drvinfo = dsa_slave_get_drvinfo,
290	.nway_reset = dsa_slave_nway_reset,
291	.get_link = dsa_slave_get_link,
292	.set_sg = ethtool_op_set_sg,
293	.get_strings = dsa_slave_get_strings,
294	.get_ethtool_stats = dsa_slave_get_ethtool_stats,
295	.get_sset_count = dsa_slave_get_sset_count,
296	};
297
d442ad4a SH	298	#ifdef CONFIG_NET_DSA_TAG_DSA
d442ad4a SH	299	static const struct net_device_ops dsa_netdev_ops = {
c0840801	300	.ndo_init = dsa_slave_init,
d442ad4a SH	301	.ndo_open = dsa_slave_open,
	302	.ndo_stop = dsa_slave_close,
	303	.ndo_start_xmit = dsa_xmit,
	304	.ndo_change_rx_flags = dsa_slave_change_rx_flags,
	305	.ndo_set_rx_mode = dsa_slave_set_rx_mode,
	306	.ndo_set_multicast_list = dsa_slave_set_rx_mode,
	307	.ndo_set_mac_address = dsa_slave_set_mac_address,
	308	.ndo_do_ioctl = dsa_slave_ioctl,
	309	};
	310	#endif
	311	#ifdef CONFIG_NET_DSA_TAG_EDSA
	312	static const struct net_device_ops edsa_netdev_ops = {
c0840801	313	.ndo_init = dsa_slave_init,
d442ad4a SH	314	.ndo_open = dsa_slave_open,
	315	.ndo_stop = dsa_slave_close,
	316	.ndo_start_xmit = edsa_xmit,
	317	.ndo_change_rx_flags = dsa_slave_change_rx_flags,
	318	.ndo_set_rx_mode = dsa_slave_set_rx_mode,
	319	.ndo_set_multicast_list = dsa_slave_set_rx_mode,
	320	.ndo_set_mac_address = dsa_slave_set_mac_address,
	321	.ndo_do_ioctl = dsa_slave_ioctl,
	322	};
	323	#endif
	324	#ifdef CONFIG_NET_DSA_TAG_TRAILER
	325	static const struct net_device_ops trailer_netdev_ops = {
c0840801	326	.ndo_init = dsa_slave_init,
d442ad4a SH	327	.ndo_open = dsa_slave_open,
	328	.ndo_stop = dsa_slave_close,
	329	.ndo_start_xmit = trailer_xmit,
	330	.ndo_change_rx_flags = dsa_slave_change_rx_flags,
	331	.ndo_set_rx_mode = dsa_slave_set_rx_mode,
	332	.ndo_set_multicast_list = dsa_slave_set_rx_mode,
	333	.ndo_set_mac_address = dsa_slave_set_mac_address,
	334	.ndo_do_ioctl = dsa_slave_ioctl,
	335	};
	336	#endif
91da11f8 LB	337
	338	/* slave device setup *******************************************************/
	339	struct net_device *
	340	dsa_slave_create(struct dsa_switch ds, struct device parent,
	341	int port, char *name)
	342	{
e84665c9	343	struct net_device *master = ds->dst->master_netdev;
91da11f8 LB	344	struct net_device *slave_dev;
	345	struct dsa_slave_priv *p;
	346	int ret;
	347
	348	slave_dev = alloc_netdev(sizeof(struct dsa_slave_priv),
	349	name, ether_setup);
	350	if (slave_dev == NULL)
	351	return slave_dev;
	352
	353	slave_dev->features = master->vlan_features;
	354	SET_ETHTOOL_OPS(slave_dev, &dsa_slave_ethtool_ops);
	355	memcpy(slave_dev->dev_addr, master->dev_addr, ETH_ALEN);
	356	slave_dev->tx_queue_len = 0;
d442ad4a	357
e84665c9	358	switch (ds->dst->tag_protocol) {
cf85d08f LB	359	#ifdef CONFIG_NET_DSA_TAG_DSA
cf85d08f LB	360	case htons(ETH_P_DSA):
d442ad4a	361	slave_dev->netdev_ops = &dsa_netdev_ops;
cf85d08f LB	362	break;
cf85d08f LB	363	#endif
91da11f8 LB	364	#ifdef CONFIG_NET_DSA_TAG_EDSA
91da11f8 LB	365	case htons(ETH_P_EDSA):
d442ad4a	366	slave_dev->netdev_ops = &edsa_netdev_ops;
91da11f8	367	break;
396138f0 LB	368	#endif
	369	#ifdef CONFIG_NET_DSA_TAG_TRAILER
	370	case htons(ETH_P_TRAILER):
d442ad4a	371	slave_dev->netdev_ops = &trailer_netdev_ops;
396138f0	372	break;
91da11f8 LB	373	#endif
	374	default:
	375	BUG();
	376	}
d442ad4a	377
91da11f8 LB	378	SET_NETDEV_DEV(slave_dev, parent);
	379	slave_dev->vlan_features = master->vlan_features;
	380
	381	p = netdev_priv(slave_dev);
	382	p->dev = slave_dev;
	383	p->parent = ds;
	384	p->port = port;
	385	p->phy = ds->slave_mii_bus->phy_map[port];
	386
	387	ret = register_netdev(slave_dev);
	388	if (ret) {
	389	printk(KERN_ERR "%s: error %d registering interface %s\n",
	390	master->name, ret, slave_dev->name);
	391	free_netdev(slave_dev);
	392	return NULL;
	393	}
	394
	395	netif_carrier_off(slave_dev);
	396
	397	if (p->phy != NULL) {
fb28ad35	398	phy_attach(slave_dev, dev_name(&p->phy->dev),
91da11f8 LB	399	0, PHY_INTERFACE_MODE_GMII);
	400
	401	p->phy->autoneg = AUTONEG_ENABLE;
	402	p->phy->speed = 0;
	403	p->phy->duplex = 0;
	404	p->phy->advertising = p->phy->supported \| ADVERTISED_Autoneg;
	405	phy_start_aneg(p->phy);
	406	}
	407
	408	return slave_dev;
	409	}