From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0DCA4E94623 for ; Tue, 10 Feb 2026 00:14:04 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5A97B40663; Tue, 10 Feb 2026 01:14:03 +0100 (CET) Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) by mails.dpdk.org (Postfix) with ESMTP id 082FC400D6 for ; Tue, 10 Feb 2026 01:14:02 +0100 (CET) Received: by mail-wm1-f47.google.com with SMTP id 5b1f17b1804b1-480706554beso37997785e9.1 for ; Mon, 09 Feb 2026 16:14:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1770682441; x=1771287241; 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=Oc0RO3rqkUNIgBYiBxPNXg0JZMe4fgKMS6IhNDnerGY=; b=P0C5OtJnM7LrxvDPf+HfbmGoL6syPKdDtEU5ZdLiz97N+JqcyP360Jvzbm8yaqxVm3 UcDyCn2EsNV04pDK7q67odNKfCukwngNngaB6MkBZvNHx1CHq3UwqKfD4O7E+hSNDHHq faDEEiRFoO83nMG0RbiVJTDpnHf9rW/4C6zJt7FuSLGaMnU8bQnv2gQNN1SLqB/LioqH Ob2C3hxXnzFJ9yYWUAvO5726h5okvMnhhgX7UZ0LkwV4Ki6v9Vg5FpUiRwx/leTI2OiB XSGiUI9HKpSFZomdiZqUXYrlvQQCDONAVozLfM7QIzXqGBsQ4l7nh90ecVGzu8JFrCDK ijtg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770682441; x=1771287241; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=Oc0RO3rqkUNIgBYiBxPNXg0JZMe4fgKMS6IhNDnerGY=; b=svrXMTo3T7vAqkMZTFnAcJvPwfyZBw0tFx4eMTNxHPKZ1YGX4otR6PUaEASrd/ZU3u FnruMMFkED64GkzXHnnJsScrPd6H/QzLysE2xirbegnv8Zc98jQB63vaPQLijXP0UsmW CHnwMUVKZEM7A0u1O89SMjwOXRyDPmSeQnD2Tgrz5MQUHKG/cz1yvyQidjpea4T8+xtR z6ZoumisGjA5qvj2nZ/Wj3O7j+zKXhf9hVk50BAwcwiIbl1+K/G12FMVg0ATTGZiJ6fa SEifi1TR5qPnubO3NWhKGdeJuFIhDrlynFqgTzoPQQtWgtbPNI0IROYxmscagPKIs2/o FWxw== X-Gm-Message-State: AOJu0YxbxcIeMUN5pIq426b96nIHA6JBdUtaUHlYdm2mIPpyysNXS3xq C/VNPDZy7jukF+zLkYi2oEtG/Vk+XhNf5qJ+oqxi3LOo5oePHMmzDY9AFm9E2jusyq4= X-Gm-Gg: AZuq6aJb6ksup8COQjcELsaqzNOOnxoFMlbc3kEaX2/B40OJGQJ0EKfyqP5CU975/CW znzT1ghyBn04EE40mx3VVxdzPeXXE7z3gP2P+C0MZ/018Jp+7mpiV1qHVFvkZNIA+7+BmPLtJXS ck6E6ID8weYvdrWAIv1OD9rO2PqmWucBV74gsS/3M98l3JN677Hj8mbipNVgsz1nJJ1BXAP5hQq y1ks+zJNVsanuL17J+132gMVPUKw90aPqSYIniYD83gkvbQ4ttGP8MeL8jzjZN4sPSQUGtGYU4p BtWl/6l8/WwkTObs26jIqNw5XtlqjYvAyVGYyS4VbsjcKH6Om1BixMSBRNqo8A4z3UXWqLRXYTc zcZUlXhhz5PzCK0vyH2oPMeNWy1acQt/PzVksLjkVBoOQ5ynF6NllLjYPxI9u8nVE3vdg9AzJg4 E6iOiLHWuOz9uL9VLWoGxHwz+RD5K/xpe/mfSWWHwsXQy9Ys0e6KKV48fof8t5x5TJ X-Received: by 2002:a05:600c:4745:b0:47e:e48b:506d with SMTP id 5b1f17b1804b1-483201e4b18mr209559245e9.16.1770682441596; Mon, 09 Feb 2026 16:14:01 -0800 (PST) Received: from phoenix.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-483209eeef0sm98928075e9.20.2026.02.09.16.13.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Feb 2026 16:14:00 -0800 (PST) Date: Mon, 9 Feb 2026 16:13:55 -0800 From: Stephen Hemminger To: Morten =?UTF-8?B?QnLDuHJ1cA==?= Cc: dev@dpdk.org, techboard@dpdk.org, Bruce Richardson , Andrew Rybchenko , Konstantin Ananyev , stable@dpdk.org Subject: Re: [PATCH] ethdev: fix mbuf fast release requirements description Message-ID: <20260209161355.60d28743@phoenix.local> In-Reply-To: <20260205092848.36435-1-mb@smartsharesystems.com> References: <20260205092848.36435-1-mb@smartsharesystems.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable 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 Thu, 5 Feb 2026 09:28:48 +0000 Morten Br=C3=B8rup wrote: > It was unclear if mbuf fast release could support segmented packets, or if > mbuf fast release required non-segmented packets. > This has now been investigated in detail, and it was concluded that > segmented packets can be supported with mbuf fast release still achieving > the enhanced performance. > So the description of the mbuf fast release Tx offload flag was fixed. >=20 > Furthermore, the general descriptions of the Rx and Tx offloads were > improved, to reflect that they are not only for device capability > reporting, but also for device and queue configuration purposes. >=20 > NB: If a driver does not support segmented packets with mbuf fast release, > it can check the multi segment send flag when selecting transmit function. >=20 > Fixes: 55624173bacb ("mbuf: add raw free and alloc bulk functions") > Cc: stable@dpdk.org >=20 > Signed-off-by: Morten Br=C3=B8rup > --- Queued to next-net