netdev - Re: [PATCH v1 1/1] net: neigh: persist proxy config across link flaps

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Message-ID: <20221214204851.2102ba31@kernel.org>
Date:   Wed, 14 Dec 2022 20:48:51 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     David Decotigny <decot+git@...gle.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Nikolay Aleksandrov <razor@...ckwall.org>,
        David Ahern <dsahern@...nel.org>,
        "Denis V. Lunev" <den@...nvz.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Chen Zhongjin <chenzhongjin@...wei.com>,
        David Decotigny <ddecotig@...gle.com>,
        Yuwei Wang <wangyuweihx@...il.com>,
        Alexander Mikhalitsyn <alexander.mikhalitsyn@...tuozzo.com>,
        Thomas Zeitlhofer <thomas.zeitlhofer+lkml@...it.at>
Subject: Re: [PATCH v1 1/1] net: neigh: persist proxy config across link
 flaps

On Mon, 12 Dec 2022 23:38:01 -0800 David Decotigny wrote:
> From: David Decotigny <ddecotig@...gle.com>
> 
> Without this patch, the 'ip neigh add proxy' config is lost when the
> cable or peer disappear, ie. when the link goes down while staying
> admin up. When the link comes back, the config is never recovered.
> 
> This patch makes sure that such an nd proxy config survives a switch
> or cable issue.

Hm, how does this square with the spirit of 859bd2ef1fc11 ?

Would be great to hear from David, IDK if he's around or off until 
next year.