tcp: do not copy headers in tcp_collapse()

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tcp_collapse() wants to shrink skb so that the overhead is minimal.

Now we store tcp flags into TCP_SKB_CB(skb)->tcp_flags, we no longer
need to keep around full headers.
Whole available space is dedicated to the payload.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2014-09-15 04:19:53 -07:00 • committed by David S. Miller

parent e93a0435f8

commit b3d6cb92fd

1 changed files with 2 additions and 15 deletions

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17

net/ipv4/tcp_input.c

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