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(parent: 4cafe37) | patch
veth: reduce stat overhead
authorEric Dumazet <edumazet@google.com>
Sat, 29 Dec 2012 16:02:43 +0000 (16:02 +0000)
committerDavid S. Miller <davem@davemloft.net>
Sun, 30 Dec 2012 10:31:58 +0000 (02:31 -0800)
commit2681128f0ced8aa4e66f221197e183cc16d244fe
tree0658c7765a2b6bca62f7d6f6ede901d41bd89bf6tree | snapshot
parent4cafe373d40dd9893a301fa83dc99abb80a2bd0bcommit | diff
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>
drivers/net/veth.c diff | blob | history
include/linux/netdevice.h diff | blob | history
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