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Message-ID: <20221215110544.7e832e41@kernel.org> Date: Thu, 15 Dec 2022 11:05:44 -0800 From: Jakub Kicinski <kuba@...nel.org> To: David Decotigny <ddecotig@...gle.com>, David Ahern <dsahern@...nel.org> Cc: "Mahesh Bandewar (महेश बंडेवार)" <maheshb@...gle.com>, David Decotigny <decot+git@...gle.com>, "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>, "Denis V. Lunev" <den@...nvz.org>, Daniel Borkmann <daniel@...earbox.net>, Chen Zhongjin <chenzhongjin@...wei.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 Wed, 14 Dec 2022 22:18:04 -0800 David Decotigny wrote: > I don't think this patch is changing that part of the behavior: we still > flush the cached nd entries when the link flaps. What we don't remove are > the pneigh_entry-es (ip neigh add proxy ...) attached to the device where > the link flaps: those are configured once and this patch ensures that they > survive the link flaps as long as the netdev stays admin-up. When > the netdev is brought admin-down, we keep the behavior we had before the > patch. Makes sense. This is not urgent, tho, right? David A, do you agree and should we treat this as a fix with Fixes: 859bd2ef1fc1 ("net: Evict neighbor entries on carrier down") added? Reminder: please bottom post on the list
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