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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 /net/ipv4/sysctl_net_ipv4.c | |
| parent | Merge branch 'mlxsw-extack' (diff) | |
| download | linux-dev-1fba70e5b6bed53496ba1f1f16127f5be01b5fb6.tar.xz linux-dev-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 'net/ipv4/sysctl_net_ipv4.c')
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index cac8dd309f39..81d218346cf7 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -284,7 +284,8 @@ static int proc_tcp_fastopen_key(struct ctl_table *table, int write, ret = -EINVAL; goto bad_key; } - tcp_fastopen_reset_cipher(net, user_key, TCP_FASTOPEN_KEY_LENGTH); + tcp_fastopen_reset_cipher(net, NULL, user_key, + TCP_FASTOPEN_KEY_LENGTH); } bad_key: |