From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f54.google.com (mail-ej1-f54.google.com [209.85.218.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 70D072EA159 for ; Thu, 25 Sep 2025 09:43:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.54 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758793425; cv=none; b=dS++Qo4MztMKUK9vtGUjeGgmlBCJ8gs8ybeWPtD7YmwB7vA7gWc8ntBq0w4eFuU2/Y2jz2bJ+wUlZn1uLtO1Yzx8uwK+lKfu9uk67HH5l4UCFRzNhy0yBLxGRDLDahA14gxSDBE8E5tMChEvm92fvgFKvD947q5qIcjxxvmdLMs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758793425; c=relaxed/simple; bh=Do01lFFcNDYlGWQcYjdNtP19mQ6XNKmi0AumEvwX5Ps=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=kRxG48A0NniwZir/9XNqWlTjt+5+jEW8x3TTzaE1aZA3XVMxjXJ3qvj3fMFiV9l9+qYE1TPjtJuoAB/c6tt7IIL+Eo6vksbeSza6d0INQhKkyKidjQMyFvBvpXbq3v2/Kq9jhub38wzKmN7OKHgwp3Ayx44W3nc8+JoetmL8L18= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=cloudflare.com; spf=pass smtp.mailfrom=cloudflare.com; dkim=pass (2048-bit key) header.d=cloudflare.com header.i=@cloudflare.com header.b=ejb1ZWzK; arc=none smtp.client-ip=209.85.218.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=cloudflare.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=cloudflare.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=cloudflare.com header.i=@cloudflare.com header.b="ejb1ZWzK" Received: by mail-ej1-f54.google.com with SMTP id a640c23a62f3a-b30ead58e0cso128554366b.0 for ; Thu, 25 Sep 2025 02:43:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloudflare.com; s=google09082023; t=1758793422; x=1759398222; darn=vger.kernel.org; h=mime-version:message-id:date:references:in-reply-to:subject:cc:to :from:from:to:cc:subject:date:message-id:reply-to; bh=DCZnhATrsjVbGiYUB4fIkwGkbNdpLbfL2naMCtBsqWk=; b=ejb1ZWzKMQ+OA0tMn5zstNHptY7noPUmqwPqyJDNU6aDYIMvt82QRnT8xTJD1ihoBJ 7B9vxKxH4awaIV9NdCiNG7td5miuaQwWTJ67rPZjL17tB+dGU4/nAavaqqOKayT3XInq T5Jw2XsDJhkD9NhyngmlA35CLrEyjiv1rWsToTy0ZIKcDv2eqTx4gLPCC/vOBquSKFHy FLp5lZxdg00uEZamVjC3azW2I7TZU4ulhoFrclmb3Wsw1I+dGt/O2kXLcTzgy/K5hMP9 1PpxnH+8PGuBYRS95j71ZzV751T+29yVszYhKL1VfjQbSWT+IYt+jf5cnxGrczW5+eSW QcPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758793422; x=1759398222; h=mime-version:message-id:date:references:in-reply-to:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=DCZnhATrsjVbGiYUB4fIkwGkbNdpLbfL2naMCtBsqWk=; b=wJOmlgjGBf+d+7A2QJPZtHpCpU/JJCWN2O6R6gUYEDsk5COAjf26bGDXhNkmRbyzZC Fc+AJsEUKqTP8ZwbOSqgogHRuJyN/4gmt5H1eHnE0F7idOGPKdtB/GL/p1FfSmLLe8dV NHFfLU2E+t2nl+piwY9YhEV/Q0+lP/NLh4DJ+c7d+wX0JS5BY3ZzG4Ng+yuvn1BrDkoE qQz3xjduRWa95l0PN8kApifRrzJEVbep60m1SxATMg+LZMonmluDR1hKJN9tZr0Ettso gFmFlKR1bKt3jWHrmVZ4z0rMaos43Fak0V8+FeBe6ehWjgVLRA08B5Ltzsg/gCKAuyQk GN2A== X-Forwarded-Encrypted: i=1; AJvYcCWNVkS5q25vgspUqjRKfsN/pGm4v+F/TzxiV6unoE0IvCe5JCQu4FIPUC5utkvsibvHjUg=@vger.kernel.org X-Gm-Message-State: AOJu0YzREN8DolC6CSircVPbti2ehhPfYB/1N3yx2ip4comCztmMMIXy eWE11xuyDB+hZSV60GlW4jJf94i63ziJ4E9ZiMc9CfDoN5kHflFariBRiV6AeI+OpHM= X-Gm-Gg: ASbGncuJr8FdUGfyyysJuXr4Z/b/+X8yeFhgBtwI5PMSlvthUGNicobHrJ3BjuT7BYD SYvNXH4xG49Pvs583nzQs+exy1lOdQuvlGlhuFZYtuQvQHjmBjhpl5jL3XsJkS0GUvSzIfHxZHq 4yfI3KkAmDE+TU9Og3DuI/mk8uSMTf/TwyxLG0kGmwzEo/voa0+2KhqZS6+RDbRpZMRtPXSGXLm jaIfpQTN60GgO1/FBxWdNiwjGMQ+MxjXgaqSsvaux1hgpwVwV0qhhHZAF5wPGMDNA7nDF+TxL/0 WzTuMHYfje7ayAElWK+PQkL0dwuDRnr16y6hZFxHOC63esci67wZyEDNqcLCrpFG4sA1bB2iI3p vRmXQ4IYEL1rNlZ4= X-Google-Smtp-Source: AGHT+IHtjYY4u3ev2M33gy9xtE76ugh5Zae/dWOU8GUtMm4PBGTQ07Z0LKjhRfz3yyXn30W6EI50iw== X-Received: by 2002:a17:907:94c2:b0:b2d:604d:acc9 with SMTP id a640c23a62f3a-b34ba93cd00mr280580766b.35.1758793421736; Thu, 25 Sep 2025 02:43:41 -0700 (PDT) Received: from cloudflare.com ([2a09:bac6:d677:295f::41f:5e]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b35446f74fbsm129383166b.51.2025.09.25.02.43.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Sep 2025 02:43:41 -0700 (PDT) From: Jakub Sitnicki To: Mehdi Ben Hadj Khelifa Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, donald.hunter@gmail.com, andrew+netdev@lunn.ch, ast@kernel.org, daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com, matttbe@kernel.org, chuck.lever@oracle.com, jdamato@fastly.com, skhawaja@google.com, dw@davidwei.uk, mkarsten@uwaterloo.ca, yoong.siang.song@intel.com, david.hunter.linux@gmail.com, skhan@linuxfoundation.org, horms@kernel.org, sdf@fomichev.me, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org Subject: Re: [PATCH RFC 0/4] Add XDP RX queue index metadata via kfuncs In-Reply-To: <20250923210026.3870-1-mehdi.benhadjkhelifa@gmail.com> (Mehdi Ben Hadj Khelifa's message of "Tue, 23 Sep 2025 22:00:11 +0100") References: <20250923210026.3870-1-mehdi.benhadjkhelifa@gmail.com> Date: Thu, 25 Sep 2025 11:43:39 +0200 Message-ID: <87h5wq50l0.fsf@cloudflare.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Tue, Sep 23, 2025 at 10:00 PM +01, Mehdi Ben Hadj Khelifa wrote: > This patch series is intended to make a base for setting > queue_index in the xdp_rxq_info struct in bpf/cpumap.c to > the right index. Although that part I still didn't figure > out yet,I m searching for my guidance to do that as well > as for the correctness of the patches in this series. What is the use case/movtivation behind this work?