tcp: IPv6 support for fastopen server

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After all the preparatory works, supporting IPv6 in Fast Open is now easy.
We pretty much just mirror v4 code. The only difference is how we
generate the Fast Open cookie for IPv6 sockets. Since Fast Open cookie
is 128 bits and we use AES 128, we use CBC-MAC to encrypt both the
source and destination IPv6 addresses since the cookie is a MAC tag.

Signed-off-by: Daniel Lee <longinus00@gmail.com>
Signed-off-by: Yuchung Cheng <ycheng@google.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>

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Daniel Lee 2014-05-11 20:22:13 -07:00 • committed by David S. Miller

parent 0a672f7413

commit 3a19ce0eec

2 changed files with 71 additions and 26 deletions

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57

net/ipv4/tcp_fastopen.c

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40

net/ipv6/tcp_ipv6.c

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