netdev - Re: [PATCH bpf-next v4 5/8] libbpf: add support for need_wakeup flag in AF

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Message-ID: <CF4AFFE2-D7F3-4C2E-BD31-42441B553EC5@gmail.com>
Date:   Wed, 14 Aug 2019 07:49:07 -0700
From:   "Jonathan Lemon" <jonathan.lemon@...il.com>
To:     "Magnus Karlsson" <magnus.karlsson@...el.com>
Cc:     bjorn.topel@...el.com, ast@...nel.org, daniel@...earbox.net,
        netdev@...r.kernel.org, brouer@...hat.com, maximmi@...lanox.com,
        bpf@...r.kernel.org, bruce.richardson@...el.com,
        ciara.loftus@...el.com, jakub.kicinski@...ronome.com,
        xiaolong.ye@...el.com, qi.z.zhang@...el.com,
        sridhar.samudrala@...el.com, kevin.laatz@...el.com,
        ilias.apalodimas@...aro.org, kiran.patil@...el.com,
        axboe@...nel.dk, maciej.fijalkowski@...el.com,
        maciejromanfijalkowski@...il.com, intel-wired-lan@...ts.osuosl.org
Subject: Re: [PATCH bpf-next v4 5/8] libbpf: add support for need_wakeup flag
 in AF_XDP part



On 14 Aug 2019, at 0:27, Magnus Karlsson wrote:

> This commit adds support for the new need_wakeup flag in AF_XDP. The
> xsk_socket__create function is updated to handle this and a new
> function is introduced called xsk_ring_prod__needs_wakeup(). This
> function can be used by the application to check if Rx and/or Tx
> processing needs to be explicitly woken up.
>
> Signed-off-by: Magnus Karlsson <magnus.karlsson@...el.com>

Acked-by: Jonathan Lemon <jonathan.lemon@...il.com>