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bridge: 64bit rx/tx counters

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Use u64_stats_sync infrastructure to provide 64bit rx/tx
counters even on 32bit hosts.

It is safe to use a single u64_stats_sync for rx and tx,
because BH is disabled on both, and we use per_cpu data.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-06-23 13:00:48 -07:00
committed by David S. Miller
parent 16b8a4761c
commit 406818ff34
3 changed files with 23 additions and 13 deletions
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10
net/bridge/br_private.h
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@@ -16,6 +16,7 @@
#include <linux/netdevice.h>
#include <linux/if_bridge.h>
#include <linux/netpoll.h>
#include <linux/u64_stats_sync.h>
#include <net/route.h>
#define BR_HASH_BITS 8
@@ -156,10 +157,11 @@ struct net_bridge_port
#define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT)
struct br_cpu_netstats {
unsigned long rx_packets;
unsigned long rx_bytes;
unsigned long tx_packets;
unsigned long tx_bytes;
u64 rx_packets;
u64 rx_bytes;
u64 tx_packets;
u64 tx_bytes;
struct u64_stats_sync syncp;
};
struct net_bridge