From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 0FC9F46C77; Sat, 2 Aug 2025 00:37:57 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 7F86B40298; Sat, 2 Aug 2025 00:37:56 +0200 (CEST) Received: from mail-wm1-f45.google.com (mail-wm1-f45.google.com [209.85.128.45]) by mails.dpdk.org (Postfix) with ESMTP id B591A4028F for ; Sat, 2 Aug 2025 00:37:54 +0200 (CEST) Received: by mail-wm1-f45.google.com with SMTP id 5b1f17b1804b1-45619d70c72so27722495e9.0 for ; Fri, 01 Aug 2025 15:37:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1754087874; x=1754692674; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=1IlPS4Hxa/FKc1ogjS4G+IaSE2j67FjDKV3UPhuI7+g=; b=Nkgk7XrIjJM+FV+J1iMa9+i0Vs0/rulhVToi8N1vPK8lWkEKmWiyfHZdSnzNAEqsTu bxpBGhP+aiEDwNmszhRPxy+rXwtOx7RY5t6rTZ+lapHcjSFV8A8ftjmyI+cV4hLXO9sL 2bYhbj/yU6ePbRnkQVvmUoHgcgM2HRw5nBy7NpFN6THk0sHQ94v3GW06MFh7Xgk1Bt24 mvoGJqR2M7zdeEA9HxJsZBPdjp2k6370njcNeyzgLCgw/ZfFF57ZiGe9xNL1Guhd5jvS NXzY5qXMt2XvyQznJg9dXEeLJN1i189m5zCzdDZmolYvJ7HJKfEjZoboMbbTApqXdPqm VfAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754087874; x=1754692674; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=1IlPS4Hxa/FKc1ogjS4G+IaSE2j67FjDKV3UPhuI7+g=; b=ejiITxLEDnYPdac0eSA4QFNwHFuFG9XWSpbN9V6Mx4azTwfp+OptVyo9uGqsi8NYMu cJ7zYF2HIAL5CJWO5iqMQA14U+wD0sQQqaMmhI/WehWl14cbk6hDN5oLj12qY/krTCAj xAnKdArCr+tIyXmPKdRQw7pE2bX1nqWslsr6Y0jsUx9YD84lyi6BEcj1ywAlOsFHcMBc nDqWM2gRXi38hBXrKS1sRYJQMgJtQLmsaRPxqqayVZoJwPxMrqXiC7JwoMCscIh/b0yg z2y84JvItgMcqOq3z/3tNEMITSAk6tBYGwM/Cy2/1D2m1unfLwGEIwxzV148nXRphkkC sA4A== X-Gm-Message-State: AOJu0YycaFqb3fnGa+JKbzhRhgcnD0vI12n4Nk53VZDbTOg9HB0gyhp3 iYV2C8NNrTahqFl46yZNpidy1lXW25sdDFk2hwPZuBgksP1yXBr+JDpl/NOcWvVp7rU= X-Gm-Gg: ASbGncvLsWRXseB7iu2NhubBdWlLZ/p+Ywd5rCc6EoglD39PAcUogRe74eDjPjVsW+F LxTI1Iki8Tz6xN4720eK7qWuZTwDCdZL6UZ0TKoZpD0dAZdB65jI4K3KUAD+0tcMl/wDYRd1Iw3 0Xng2X+m9jsOzqxPvYQFrmgeA1ZUGEH2gOEwu96qwvHchuQAamz7CePo322PYai+l5j5pGRqaqA 97sZJd/yLsKa7W332WrOyDqxlfPKSrp/f3vpTJCQ9SUj5H10Kujy5BpyQJ6JHR+34UTwGGzlc8K heyAVbdk5QX2YCDctESNA5iCA6z2wmvxAK4llDu8/pU5tN7j5SCwaKJ1uRFtYkDMEiDvEWAeUl8 Rz+NaU1iPgVPMt7wQHdYIoZCqxL3RAPE7W3sYnaaRn/Al5vTBxWNhBoOgOEcIcRLDwx6VYL76UD 4= X-Google-Smtp-Source: AGHT+IFPyvXRQSJgUcR+J6A0wS1+iJkcX/dsCMezpy+/T8zL4deoooA0HSywjcMrDZhlc+ZFpw+mTA== X-Received: by 2002:a05:6000:188c:b0:3a5:8977:e0fd with SMTP id ffacd0b85a97d-3b79d1f809bmr6279950f8f.0.1754087874084; Fri, 01 Aug 2025 15:37:54 -0700 (PDT) Received: from hermes.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b79c485444sm7328297f8f.66.2025.08.01.15.37.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Aug 2025 15:37:53 -0700 (PDT) Date: Fri, 1 Aug 2025 15:37:48 -0700 From: Stephen Hemminger To: Shivaji Kant Cc: dev@dpdk.org, Ciara Loftus , Maryam Tahhan Subject: Re: [PATCH v5] net/af_xdp: enable AF_XDP program attachment mode Message-ID: <20250801153748.6743d48b@hermes.local> In-Reply-To: <20250730114122.1200641-1-shivajikant@google.com> References: <20250729161747.894377-1-shivajikant@google.com> <20250730114122.1200641-1-shivajikant@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Wed, 30 Jul 2025 11:41:21 +0000 Shivaji Kant wrote: > Currently, the AF_XDP PMD attaches its XDP program using a fixed > set of flags, defaulting to `XDP_FLAGS_UPDATE_IF_NOEXIST`. This lacks > flexibility for users who might need to explicitly control the XDP > mode based on their specific hardware capabilities or performance > requirements. > > This patch introduces a new vdev argument, `mode`, for the `net_af_xdp` > PMD. This argument allows users to explicitly specify the desired > XDP program attachment mode: > `drv` (XDP_FLAGS_DRV_MODE), > `skb` (XDP_FLAGS_SKB_MODE), > `hw` (XDP_FLAGS_HW_MODE). > (If needed more can be added) > > This change provides greater control and flexibility for users to > fine-tune AF_XDP behavior, enabling them to leverage native driver > or hardware offload capabilities when available, or fall back to > generic SKB mode for broader compatibility. > > Signed-off-by: Shivaji Kant Queued to next-net for 25.11. Thanks