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Date: Mon, 9 May 2022 19:38:58 -0600 From: David Ahern <dsahern@...nel.org> To: Florent Fourcot <florent.fourcot@...irst.fr>, netdev@...r.kernel.org Cc: Eric Dumazet <edumazet@...gle.com>, Daniel Borkmann <daniel@...earbox.net> Subject: Re: [PATCH v2 net-next] net: neigh: add netlink filtering based on LLADDR for dump On 5/9/22 2:56 PM, Florent Fourcot wrote: > neighbours table dump supports today two filtering: > * based on interface index > * based on master index > > This patch adds a new filtering, based on layer two address. That will > help to replace something like it: > > ip neigh show | grep aa:11:22:bb:ee:ff > > by a better command: > > ip neigh show lladdr aa:11:22:bb:ee:ff > that is done by a GET without the NLM_F_DUMP flag set; doing a table dump and filtering to get the one entry is wrong.
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