Re: [PATCH bpf-next] bpf: add read/write access to skb->tstamp from tc clsact progs

[Eric Dumazet]

On 11/20/2018 04:18 PM, Vlad Dumitrescu wrote:
> This could be used to rate limit egress traffic in concert with a qdisc
> which supports Earliest Departure Time, such as FQ.
> 
> Signed-off-by: Vlad Dumitrescu <vla...@google.com>
> ---
>  include/uapi/linux/bpf.h                    |  1 +
>  net/core/filter.c                           | 26 +++++++++++++++++++++
>  tools/include/uapi/linux/bpf.h              |  1 +
>  tools/testing/selftests/bpf/test_verifier.c |  4 ++++
>  4 files changed, 32 insertions(+)
>

Awesome, thanks Vlad

Note that this also can be used to implement a delay (a la netem).

Acked-by: Eric Dumazet <eduma...@google.com>