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-rw-r--r--net/dsa/slave.c404
1 files changed, 0 insertions, 404 deletions
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
deleted file mode 100644
index 6ebd8fbd9285..000000000000
--- a/net/dsa/slave.c
+++ /dev/null
@@ -1,404 +0,0 @@
-/*
- * 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, "dsa-%d:%.2x",
- ds->index, 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 (!ether_addr_equal(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 (!ether_addr_equal(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 (!ether_addr_equal(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 (!ether_addr_equal(addr->sa_data, master->dev_addr)) {
- err = dev_uc_add(master, addr->sa_data);
- if (err < 0)
- return err;
- }
-
- if (!ether_addr_equal(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);
-
- if (p->phy != NULL)
- return phy_mii_ioctl(p->phy, ifr, 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)
-{
- strlcpy(drvinfo->driver, "dsa", sizeof(drvinfo->driver));
- strlcpy(drvinfo->version, dsa_driver_version, sizeof(drvinfo->version));
- strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
- strlcpy(drvinfo->bus_info, "platform", sizeof(drvinfo->bus_info));
-}
-
-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,
- .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_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_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_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),
- 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;
-}