dsa: add switch chip cascading support

[platform/adaptation/renesas_rcar/renesas_kernel.git] / net / dsa / slave.c

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 99114e5..ed13118 100644 (file)
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1,6 +1,6 @@
 /*
  * net/dsa/slave.c - Slave device handling
- * Copyright (c) 2008 Marvell Semiconductor
+ * 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
@@ -19,7 +19,7 @@ static int dsa_slave_phy_read(struct mii_bus *bus, int addr, int reg)
 {
        struct dsa_switch *ds = bus->priv;
 
-       if (ds->valid_port_mask & (1 << addr))
+       if (ds->phys_port_mask & (1 << addr))
                return ds->drv->phy_read(ds, addr, reg);
 
        return 0xffff;
@@ -29,7 +29,7 @@ static int dsa_slave_phy_write(struct mii_bus *bus, int addr, int reg, u16 val)
 {
        struct dsa_switch *ds = bus->priv;
 
-       if (ds->valid_port_mask & (1 << addr))
+       if (ds->phys_port_mask & (1 << addr))
                return ds->drv->phy_write(ds, addr, reg, val);
 
        return 0;
@@ -43,7 +43,7 @@ void dsa_slave_mii_bus_init(struct dsa_switch *ds)
        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);
+       ds->slave_mii_bus->parent = &ds->master_mii_bus->dev;
 }
 
 
@@ -51,9 +51,8 @@ void dsa_slave_mii_bus_init(struct dsa_switch *ds)
 static int dsa_slave_init(struct net_device *dev)
 {
        struct dsa_slave_priv *p = netdev_priv(dev);
-       struct net_device *master = p->parent->master_netdev;
 
-       dev->iflink = master->ifindex;
+       dev->iflink = p->parent->dst->master_netdev->ifindex;
 
        return 0;
 }
@@ -61,7 +60,7 @@ static int dsa_slave_init(struct net_device *dev)
 static int dsa_slave_open(struct net_device *dev)
 {
        struct dsa_slave_priv *p = netdev_priv(dev);
-       struct net_device *master = p->parent->master_netdev;
+       struct net_device *master = p->parent->dst->master_netdev;
        int err;
 
        if (!(master->flags & IFF_UP))
@@ -99,7 +98,7 @@ out:
 static int dsa_slave_close(struct net_device *dev)
 {
        struct dsa_slave_priv *p = netdev_priv(dev);
-       struct net_device *master = p->parent->master_netdev;
+       struct net_device *master = p->parent->dst->master_netdev;
 
        dev_mc_unsync(master, dev);
        dev_unicast_unsync(master, dev);
@@ -117,7 +116,7 @@ static int dsa_slave_close(struct net_device *dev)
 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->master_netdev;
+       struct net_device *master = p->parent->dst->master_netdev;
 
        if (change & IFF_ALLMULTI)
                dev_set_allmulti(master, dev->flags & IFF_ALLMULTI ? 1 : -1);
@@ -128,7 +127,7 @@ static void dsa_slave_change_rx_flags(struct net_device *dev, int change)
 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->master_netdev;
+       struct net_device *master = p->parent->dst->master_netdev;
 
        dev_mc_sync(master, dev);
        dev_unicast_sync(master, dev);
@@ -137,7 +136,7 @@ static void dsa_slave_set_rx_mode(struct net_device *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->master_netdev;
+       struct net_device *master = p->parent->dst->master_netdev;
        struct sockaddr *addr = a;
        int err;
 
@@ -341,7 +340,7 @@ struct net_device *
 dsa_slave_create(struct dsa_switch *ds, struct device *parent,
                 int port, char *name)
 {
-       struct net_device *master = ds->master_netdev;
+       struct net_device *master = ds->dst->master_netdev;
        struct net_device *slave_dev;
        struct dsa_slave_priv *p;
        int ret;
@@ -356,7 +355,7 @@ dsa_slave_create(struct dsa_switch *ds, struct device *parent,
        memcpy(slave_dev->dev_addr, master->dev_addr, ETH_ALEN);
        slave_dev->tx_queue_len = 0;
 
-       switch (ds->tag_protocol) {
+       switch (ds->dst->tag_protocol) {
 #ifdef CONFIG_NET_DSA_TAG_DSA
        case htons(ETH_P_DSA):
                slave_dev->netdev_ops = &dsa_netdev_ops;