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| author |   Yuchung Cheng <ycheng@google.com> | 2017-10-18 11:22:51 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-10-20 13:21:36 +0100 |
| commit | 1fba70e5b6bed53496ba1f1f16127f5be01b5fb6 (patch) | |
| tree | 22b060a68ca7b36f052b8f943c91c7ba78b8ddcf /include/uapi/linux/tcp.h | |
| parent | Merge branch 'mlxsw-extack' (diff) | |
| download | linux-1fba70e5b6bed53496ba1f1f16127f5be01b5fb6.tar.xz linux-1fba70e5b6bed53496ba1f1f16127f5be01b5fb6.zip | |
tcp: socket option to set TCP fast open key
New socket option TCP_FASTOPEN_KEY to allow different keys per
listener. The listener by default uses the global key until the
socket option is set. The key is a 16 bytes long binary data. This
option has no effect on regular non-listener TCP sockets.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi/linux/tcp.h')
| -rw-r--r-- | include/uapi/linux/tcp.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h index 15c25eccab2b..69c7493e42f8 100644 --- a/include/uapi/linux/tcp.h +++ b/include/uapi/linux/tcp.h @@ -119,6 +119,7 @@ enum { #define TCP_FASTOPEN_CONNECT 30 /* Attempt FastOpen with connect */ #define TCP_ULP 31 /* Attach a ULP to a TCP connection */ #define TCP_MD5SIG_EXT 32 /* TCP MD5 Signature with extensions */ +#define TCP_FASTOPEN_KEY 33 /* Set the key for Fast Open (cookie) */ struct tcp_repair_opt { __u32 opt_code; |