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authorEric Dumazet <edumazet@google.com>2012-12-29 20:02:43 +0400
committerDavid S. Miller <davem@davemloft.net>2012-12-30 14:31:58 +0400
commit2681128f0ced8aa4e66f221197e183cc16d244fe (patch)
tree0658c7765a2b6bca62f7d6f6ede901d41bd89bf6 /include/linux/netdevice.h
parent4cafe373d40dd9893a301fa83dc99abb80a2bd0b (diff)
downloadlinux-2681128f0ced8aa4e66f221197e183cc16d244fe.tar.xz
veth: reduce stat overhead
veth stats are a bit bloated. There is no need to account transmit and receive stats, since they are absolutely symmetric. Also use a per device atomic64_t for the dropped counter, as it should never be used in fast path. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 0e1b92a0c1ec..6835b5837f93 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1284,6 +1284,7 @@ struct net_device {
struct pcpu_lstats __percpu *lstats; /* loopback stats */
struct pcpu_tstats __percpu *tstats; /* tunnel stats */
struct pcpu_dstats __percpu *dstats; /* dummy stats */
+ struct pcpu_vstats __percpu *vstats; /* veth stats */
};
/* GARP */
struct garp_port __rcu *garp_port;