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(parent: a5ad24b) | patch
gro: Optimise TCP packet reception
authorHerbert Xu <herbert@gondor.apana.org.au>
Sun, 8 Feb 2009 18:00:40 +0000 (18:00 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 9 Feb 2009 04:22:19 +0000 (20:22 -0800)
commitaa6320d336971171df1d13c1c284facf10804881
tree3e659464dd24b9634897d631931f334ab1c22179tree | snapshot
parenta5ad24be728d4352b71a81fba471aa41eb71f83acommit | diff
gro: Optimise TCP packet reception

gro: Optimise TCP packet reception

As this function can be called more than half a million times for
10GbE, it's important to optimise it as much as we can.

This patch uses bit ops to logical ops, as well as open coding
memcmp to exploit alignment properties.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp.c diff | blob | history
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