* Authors:
* Lennert Buytenhek <buytenh@gnu.org>
*
- * $Id: br_device.c,v 1.6 2001/12/24 00:59:55 davem Exp $
- *
* 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
#include <asm/uaccess.h>
#include "br_private.h"
-static struct net_device_stats *br_dev_get_stats(struct net_device *dev)
-{
- struct net_bridge *br = netdev_priv(dev);
- return &br->statistics;
-}
-
-int br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
+/* net device transmit always called with no BH (preempt_disabled) */
+netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct net_bridge *br = netdev_priv(dev);
const unsigned char *dest = skb->data;
struct net_bridge_fdb_entry *dst;
- br->statistics.tx_packets++;
- br->statistics.tx_bytes += skb->len;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
- skb->mac.raw = skb->data;
+ skb_reset_mac_header(skb);
skb_pull(skb, ETH_HLEN);
- rcu_read_lock();
- if (dest[0] & 1)
- br_flood_deliver(br, skb, 0);
+ if (dest[0] & 1)
+ br_flood_deliver(br, skb);
else if ((dst = __br_fdb_get(br, dest)) != NULL)
br_deliver(dst->dst, skb);
else
- br_flood_deliver(br, skb, 0);
+ br_flood_deliver(br, skb);
- rcu_read_unlock();
- return 0;
+ return NETDEV_TX_OK;
}
static int br_dev_open(struct net_device *dev)
static int br_change_mtu(struct net_device *dev, int new_mtu)
{
- if (new_mtu < 68 || new_mtu > br_min_mtu(netdev_priv(dev)))
+ struct net_bridge *br = netdev_priv(dev);
+ if (new_mtu < 68 || new_mtu > br_min_mtu(br))
return -EINVAL;
dev->mtu = new_mtu;
+
+#ifdef CONFIG_BRIDGE_NETFILTER
+ /* remember the MTU in the rtable for PMTU */
+ br->fake_rtable.u.dst.metrics[RTAX_MTU - 1] = new_mtu;
+#endif
+
return 0;
}
-/* Allow setting mac address of pseudo-bridge to be same as
- * any of the bound interfaces
- */
+/* Allow setting mac address to any valid ethernet address. */
static int br_set_mac_address(struct net_device *dev, void *p)
{
struct net_bridge *br = netdev_priv(dev);
struct sockaddr *addr = p;
- struct net_bridge_port *port;
- int err = -EADDRNOTAVAIL;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EINVAL;
spin_lock_bh(&br->lock);
- list_for_each_entry(port, &br->port_list, list) {
- if (!compare_ether_addr(port->dev->dev_addr, addr->sa_data)) {
- br_stp_change_bridge_id(br, addr->sa_data);
- err = 0;
- break;
- }
- }
+ memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+ br_stp_change_bridge_id(br, addr->sa_data);
+ br->flags |= BR_SET_MAC_ADDR;
spin_unlock_bh(&br->lock);
- return err;
+ return 0;
}
static void br_getinfo(struct net_device *dev, struct ethtool_drvinfo *info)
struct net_bridge *br = netdev_priv(dev);
if (data)
- br->feature_mask |= NETIF_F_IP_CSUM;
+ br->feature_mask |= NETIF_F_NO_CSUM;
else
- br->feature_mask &= ~NETIF_F_IP_CSUM;
+ br->feature_mask &= ~NETIF_F_ALL_CSUM;
br_features_recompute(br);
return 0;
}
-static struct ethtool_ops br_ethtool_ops = {
- .get_drvinfo = br_getinfo,
- .get_link = ethtool_op_get_link,
- .get_sg = ethtool_op_get_sg,
- .set_sg = br_set_sg,
- .get_tx_csum = ethtool_op_get_tx_csum,
- .set_tx_csum = br_set_tx_csum,
- .get_tso = ethtool_op_get_tso,
- .set_tso = br_set_tso,
+static const struct ethtool_ops br_ethtool_ops = {
+ .get_drvinfo = br_getinfo,
+ .get_link = ethtool_op_get_link,
+ .get_tx_csum = ethtool_op_get_tx_csum,
+ .set_tx_csum = br_set_tx_csum,
+ .get_sg = ethtool_op_get_sg,
+ .set_sg = br_set_sg,
+ .get_tso = ethtool_op_get_tso,
+ .set_tso = br_set_tso,
+ .get_ufo = ethtool_op_get_ufo,
+ .get_flags = ethtool_op_get_flags,
+};
+
+static const struct net_device_ops br_netdev_ops = {
+ .ndo_open = br_dev_open,
+ .ndo_stop = br_dev_stop,
+ .ndo_start_xmit = br_dev_xmit,
+ .ndo_set_mac_address = br_set_mac_address,
+ .ndo_set_multicast_list = br_dev_set_multicast_list,
+ .ndo_change_mtu = br_change_mtu,
+ .ndo_do_ioctl = br_dev_ioctl,
};
void br_dev_setup(struct net_device *dev)
{
- memset(dev->dev_addr, 0, ETH_ALEN);
-
+ random_ether_addr(dev->dev_addr);
ether_setup(dev);
- dev->do_ioctl = br_dev_ioctl;
- dev->get_stats = br_dev_get_stats;
- dev->hard_start_xmit = br_dev_xmit;
- dev->open = br_dev_open;
- dev->set_multicast_list = br_dev_set_multicast_list;
- dev->change_mtu = br_change_mtu;
+ dev->netdev_ops = &br_netdev_ops;
dev->destructor = free_netdev;
- SET_MODULE_OWNER(dev);
- SET_ETHTOOL_OPS(dev, &br_ethtool_ops);
- dev->stop = br_dev_stop;
+ SET_ETHTOOL_OPS(dev, &br_ethtool_ops);
dev->tx_queue_len = 0;
- dev->set_mac_address = br_set_mac_address;
dev->priv_flags = IFF_EBRIDGE;
- dev->features = NETIF_F_SG | NETIF_F_FRAGLIST
- | NETIF_F_HIGHDMA | NETIF_F_TSO | NETIF_F_IP_CSUM;
+ dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA |
+ NETIF_F_GSO_MASK | NETIF_F_NO_CSUM | NETIF_F_LLTX |
+ NETIF_F_NETNS_LOCAL | NETIF_F_GSO;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff