netdev - Re: [PATCH v2 1/2] netpoll: Make netpoll_send

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Message-ID: <CAO6EAnX7i0zi840zMidR89UyWF0dZHP032C5o6Ur=6hWQPp2CQ@mail.gmail.com>
Date: Wed, 28 Aug 2024 19:16:33 -0400
From: Maksym Kutsevol <max@...sevol.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Paolo Abeni <pabeni@...hat.com>, Breno Leitao <leitao@...ian.org>, netdev@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] netpoll: Make netpoll_send_udp return status
 instead of void

Hey Jakub,

On Wed, Aug 28, 2024 at 6:58 PM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Wed, 28 Aug 2024 14:33:48 -0700 Maksym Kutsevol wrote:
> > netpoll_send_udp can return if send was successful.
> > It will allow client code to be aware of the send status.
> >
> > Possible return values are the result of __netpoll_send_skb (cast to int)
> > and -ENOMEM. This doesn't cover the case when TX was not successful
> > instantaneously and was scheduled for later, __netpoll__send_skb returns
> > success in that case.
>
> no need to repost but, quoting documentation:
I definitely didn't find this doc, thanks for the link, looked at it,
and I see at least another error in
this submission - there's no designation which tree it's for, it
should be net-next. Will follow
the doc for in the future.