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bridge: Use on-device stats instead of private ones. 

Even though bridges require 6 fields from struct net_device_stats,
the on-device stats are always there, so we may just use them.

The br_dev_get_stats is no longer required after this.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2008-05-21 14:13:47 -07:00 committed by David S. Miller
parent 96e74088f1
commit a339f1c881
4 changed files with 8 additions and 16 deletions
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11
net/bridge/br_device.c
View File

@ -21,12 +21,6 @@
#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;
}
/* net device transmit always called with no BH (preempt_disabled) */
int br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
{
@ -34,8 +28,8 @@ int br_dev_xmit(struct sk_buff *skb, struct net_device *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_reset_mac_header(skb);
skb_pull(skb, ETH_HLEN);
@ -161,7 +155,6 @@ void br_dev_setup(struct net_device *dev)
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;

2
net/bridge/br_forward.c
View File

@ -115,7 +115,7 @@ static void br_flood(struct net_bridge *br, struct sk_buff *skb,
struct sk_buff *skb2;
if ((skb2 = skb_clone(skb, GFP_ATOMIC)) == NULL) {
br->statistics.tx_dropped++;
br->dev->stats.tx_dropped++;
kfree_skb(skb);
return;
}

10
net/bridge/br_input.c
View File

@ -24,13 +24,13 @@ const u8 br_group_address[ETH_ALEN] = { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x00 };
static void br_pass_frame_up(struct net_bridge *br, struct sk_buff *skb)
{
struct net_device *indev;
struct net_device *indev, *brdev = br->dev;
br->statistics.rx_packets++;
br->statistics.rx_bytes += skb->len;
brdev->stats.rx_packets++;
brdev->stats.rx_bytes += skb->len;
indev = skb->dev;
skb->dev = br->dev;
skb->dev = brdev;
NF_HOOK(PF_BRIDGE, NF_BR_LOCAL_IN, skb, indev, NULL,
netif_receive_skb);
@ -64,7 +64,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
dst = NULL;
if (is_multicast_ether_addr(dest)) {
br->statistics.multicast++;
br->dev->stats.multicast++;
skb2 = skb;
} else if ((dst = __br_fdb_get(br, dest)) && dst->is_local) {
skb2 = skb;

1
net/bridge/br_private.h
View File

@ -90,7 +90,6 @@ struct net_bridge
spinlock_t lock;
struct list_head port_list;
struct net_device *dev;
struct net_device_stats statistics;
spinlock_t hash_lock;
struct hlist_head hash[BR_HASH_SIZE];
struct list_head age_list;