From: Lawrence Brakmo
Date: Tue, 13 Jun 2017 10:59:59 -0700
> @@ -2698,8 +2698,15 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_socket_ops_kern
> *, bpf_socket,
> }
> } else if (level == SOL_TCP &&
> bpf_socket->sk->sk_prot->setsockopt == tcp_setsockopt) {
> -
Added support for changing congestion control for SOCKET_OPS bps
programs through the setsockopt bpf helper function. It also adds
a new SOCKET_OPS op, BPF_SOCKET_OPS_NEEDS_ECN, that is needed for
congestion controls, like dctcp, that need to enable ECN in the
SYN packets.
Signed-off-by: Lawrence
