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2017-10-22bpf: sample BPF_SOCKET_OPS_BASE_RTT programLawrence Brakmo1-0/+78
Sample socket_ops BPF program to test the BPF helper function bpf_getsocketops and the new socket_ops op BPF_SOCKET_OPS_BASE_RTT. The program provides a base RTT of 80us when the calling flow is within a DC (as determined by the IPV6 prefix) and the congestion algorithm is "nv". Signed-off-by: Lawrence Brakmo <brakmo@fb.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked_by: Alexei Starovoitov <ast@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>