tcp: improve fastopen icmp handling

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If a fast open socket is already accepted by the user, it should
be treated like a connected socket to record the ICMP error in
sk_softerr, so the user can fetch it. Do that in both tcp_v4_err
and tcp_v6_err.

Also refactor the sequence window check to improve readability
(e.g., there were two local variables named 'req').

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Daniel Lee <longinus00@gmail.com>
Signed-off-by: Jerry Chu <hkchu@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Yuchung Cheng 2014-05-11 20:22:12 -07:00 • committed by David S. Miller

parent 843f4a55e3

commit 0a672f7413

2 changed files with 31 additions and 26 deletions

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35

net/ipv4/tcp_ipv4.c

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22

net/ipv6/tcp_ipv6.c

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