bpf: add BPF_CGROUP_SOCK_OPS callback that is executed on every RTT

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Performance impact should be minimal because it's under a new
BPF_SOCK_OPS_RTT_CB_FLAG flag that has to be explicitly enabled.

Suggested-by: Eric Dumazet <edumazet@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Priyaranjan Jha <priyarjha@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

...

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Stanislav Fomichev 2019-07-02 09:13:56 -07:00 • committed by Daniel Borkmann

parent d2f5bbbc35

commit 23729ff231

3 changed files with 17 additions and 1 deletions

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6

include/uapi/linux/bpf.h

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