netdev - Re: [PATCH bpf-next v4 1/8] xsk: replace ndo_xsk_async_xmit with ndo_xsk

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Message-ID: <B49497F3-8DD7-4C24-B7EE-CBF3488A913C@gmail.com>
Date:   Wed, 14 Aug 2019 07:46:51 -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 1/8] xsk: replace ndo_xsk_async_xmit with
 ndo_xsk_wakeup



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

> This commit replaces ndo_xsk_async_xmit with ndo_xsk_wakeup. This new
> ndo provides the same functionality as before but with the addition of
> a new flags field that is used to specifiy if Rx, Tx or both should be
> woken up. The previous ndo only woke up Tx, as implied by the
> name. The i40e and ixgbe drivers (which are all the supported ones)
> are updated with this new interface.
>
> This new ndo will be used by the new need_wakeup functionality of XDP
> sockets that need to be able to wake up both Rx and Tx driver
> processing.
>
> Signed-off-by: Magnus Karlsson <magnus.karlsson@...el.com>

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