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Thu, 13 Mar 2025 16:19:37 +0000 Message-ID: Date: Thu, 13 Mar 2025 17:19:31 +0100 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next 10/16] idpf: add support for nointerrupt queues To: Maciej Fijalkowski CC: , Michal Kubiak , Tony Nguyen , "Przemek Kitszel" , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Alexei Starovoitov" , Daniel Borkmann , "Jesper Dangaard Brouer" , John Fastabend , Simon Horman , , , References: <20250305162132.1106080-1-aleksander.lobakin@intel.com> <20250305162132.1106080-11-aleksander.lobakin@intel.com> From: Alexander Lobakin Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: DU7PR01CA0016.eurprd01.prod.exchangelabs.com (2603:10a6:10:50f::11) To DS0PR11MB8718.namprd11.prod.outlook.com (2603:10b6:8:1b9::20) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS0PR11MB8718:EE_|DS7PR11MB6197:EE_ X-MS-Office365-Filtering-Correlation-Id: f823f4db-c79e-4d2b-f2a5-08dd624ad93d X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|366016|1800799024; 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This vector can be global >> and only one for the whole vport to handle all its noirq queues. >> Always request one excessive vector and configure it in non-interrupt >> mode right away when creating vport, so that it can be used later by >> queues when needed. > > Description sort of miss the purpose of this commit, you don't ever > mention that your design choice for XDP Tx queues is to have them > irq-less. Because this is not directly related to XDP and maybe some time later more code could make use of noirq queues, who knows :> But I'll mention why this is needed, ok. > >> >> Co-developed-by: Michal Kubiak >> Signed-off-by: Michal Kubiak >> Signed-off-by: Alexander Lobakin >> --- >> drivers/net/ethernet/intel/idpf/idpf.h | 8 +++ >> drivers/net/ethernet/intel/idpf/idpf_txrx.h | 4 ++ >> drivers/net/ethernet/intel/idpf/idpf_dev.c | 11 +++- >> drivers/net/ethernet/intel/idpf/idpf_lib.c | 2 +- >> drivers/net/ethernet/intel/idpf/idpf_txrx.c | 8 +++ >> drivers/net/ethernet/intel/idpf/idpf_vf_dev.c | 11 +++- >> .../net/ethernet/intel/idpf/idpf_virtchnl.c | 53 +++++++++++++------ >> 7 files changed, 79 insertions(+), 18 deletions(-) Thanks, Olek