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Wed, 7 Oct 2026 12:22:13 +0000 Date: Wed, 7 Oct 2026 14:22:06 +0200 From: Maciej Fijalkowski To: Stanislav Fomichev CC: , , , , , , , , Subject: Re: [PATCH net-next 00/13] selftests: net: migrate AF_XDP test suite over to net Message-ID: References: <20261001202124.692591-1-maciej.fijalkowski@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: WA1P291CA0013.POLP291.PROD.OUTLOOK.COM (2603:10a6:1d0:19::16) To DM4PR11MB6117.namprd11.prod.outlook.com (2603:10b6:8:b3::19) Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM4PR11MB6117:EE_|BY1PR11MB8079:EE_ X-MS-Office365-Filtering-Correlation-Id: 732d8804-3aa2-478c-f3a8-08df246d9e1a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016|23010399003|6133799003|11063799006|3023799007|10067099003|5023799004|4143699003|18002099003|22082099003|56012099006; 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We used to configure resources once > > > > and then execute the whole test suite; it doesn't seem to be > > > > CI-friendly and it is preferred to have each case's resource > > > > management separated; that on the other hand increases the > > > > execution time of the whole test suite. > > > > > > [..] > > > > > > > - The XDP programs redirect every packet, so the link under test must > > > > carry no other traffic. SSH and the control channel go to the > > > > REMOTE_ARGS host, which has to be reached over another link. > > > > > > Will this work on NIPA? > > > > Yeah good that you're bringing this up, I see NIPA has a e810 setup within > > same machine which is not what i tested on my side. This means the > > assumption/requirement of having isolated link under test has to be lifted > > as e810 cards on NIPA will carry management traffic via same link. I'll > > add XDP prog logic as you point out, thanks. > > > > I also hit the ice bug after connecting interfaces within single machine > > which was hiding from me throughout whole local testing, during RSS update > > where we only want to touch indirection table, symmetric-xor hashing was > > being turned on which caused later rss operations to fail; I'll post a fix > > to iwl-net and include some heads-up to v2. > > > > > > > > I took a quick pass, nothing pops us for me. The only thing I'm not sure > > > is the bpftool dependency (whether we need to build it or there is > > > something on the system). > > > > We need it due to skeleton usage and other change was also utilizing it so > > I thought it would be acceptable. > > No, no, I'm not questioning the need, just not sure whether we need to build > it in the selftest makefiles (like bpf selftests do) or it's ok to use > the system one (if there is one). We could build it within makefiles as a bootstrap. How about that? I am not aware how much of an effort would be to provide system installs of bpftool on CI runners, so maybe this smaller build would be acceptable?