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Wed, 31 Jul 2024 16:41:19 +0000 Message-ID: Date: Wed, 31 Jul 2024 09:41:16 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [Intel-wired-lan] [PATCH iwl-next, v1 0/3] Add Default Rx Queue Setting for igc driver To: Jakub Kicinski , "Song, Yoong Siang" CC: "Neftin, Sasha" , Brett Creeley , "linux-doc@vger.kernel.org" , Alexei Starovoitov , "Eric Dumazet" , "Nguyen, Anthony L" , "Blanco Alcaine, Hector" , Daniel Borkmann , Jonathan Corbet , "Gomes, Vinicius" , "Kitszel, Przemyslaw" , John Fastabend , Shinas Rasheed , "intel-wired-lan@lists.osuosl.org" , Paolo Abeni , "Tian, Kevin" , Jesper Dangaard Brouer , Richard Cochran , "netdev@vger.kernel.org" , "Hay, Joshua A" , "linux-kernel@vger.kernel.org" , "bpf@vger.kernel.org" , "David S . 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User can use the 'loc' argument to place the rule at the end > of the table. > Yes. Some drivers lack support for ordered rules, but instead enforce that no rule can be added if it would cause such a violation. In this case, (I haven't dug into the actual patches or code), I suspect the driver will need to validate the location values when adding rules to ensure that all rules which don't use the default queue have higher priority than the wild card rule. The request to add a filter should reject the rule in the case where a default queue rule was added with a higher priority location. >> Do you see this as a potential issue? If not, I am willing to proceed with >> exploring the ethtool options you've mentioned.