diff options
| author | Lawrence Brakmo <brakmo@fb.com> | 2017-06-30 20:02:42 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-01 16:15:13 -0700 |
| commit | 8550f328f45db6d37981eb2041bc465810245c03 (patch) | |
| tree | e3594097d7b3c9dc3176c8f9084431cf24d79cf6 /net/ipv4/tcp_input.c | |
| parent | ae16189efb0fe2bdc5e702bd6221ed6d0ff5babd (diff) | |
bpf: Support for per connection SYN/SYN-ACK RTOs
This patch adds support for setting a per connection SYN and
SYN_ACK RTOs from within a BPF_SOCK_OPS program. For example,
to set small RTOs when it is known both hosts are within a
datacenter.
Signed-off-by: Lawrence Brakmo <brakmo@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 2ab7e2fa9bb9..bcc96654cd7e 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -6406,7 +6406,8 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops, } else { tcp_rsk(req)->tfo_listener = false; if (!want_cookie) - inet_csk_reqsk_queue_hash_add(sk, req, TCP_TIMEOUT_INIT); + inet_csk_reqsk_queue_hash_add(sk, req, + tcp_timeout_init((struct sock *)req)); af_ops->send_synack(sk, dst, &fl, req, &foc, !want_cookie ? TCP_SYNACK_NORMAL : TCP_SYNACK_COOKIE); |