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authorDaniel Lee <Longinus00@gmail.com>2015-04-06 14:37:26 -0700
committerDavid S. Miller <davem@davemloft.net>2015-04-07 18:36:39 -0400
commit7f9b838b71eb78a27de27a12ca5de8542fac3115 (patch)
tree05567522b8a365930815675c5961c608f9157940 /net/ipv4/tcp_fastopen.c
parentcxgb4: Move ethtool related code to a separate file (diff)
downloadlinux-dev-7f9b838b71eb78a27de27a12ca5de8542fac3115.tar.xz
linux-dev-7f9b838b71eb78a27de27a12ca5de8542fac3115.zip
tcp: RFC7413 option support for Fast Open server
Fast Open has been using the experimental option with a magic number (RFC6994) to request and grant Fast Open cookies. This patch enables the server to support the official IANA option 34 in RFC7413 in addition. The change has passed all existing Fast Open tests with both old and new options at Google. Signed-off-by: Daniel Lee <Longinus00@gmail.com> Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_fastopen.c')
-rw-r--r--net/ipv4/tcp_fastopen.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c
index 5da55e2b5cd2..e3d87aca6be8 100644
--- a/net/ipv4/tcp_fastopen.c
+++ b/net/ipv4/tcp_fastopen.c
@@ -303,6 +303,7 @@ fastopen:
} else if (foc->len > 0) /* Client presents an invalid cookie */
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPFASTOPENPASSIVEFAIL);
+ valid_foc.exp = foc->exp;
*foc = valid_foc;
return false;
}