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 7B7DC489F7; Tue, 28 Oct 2025 13:56:37 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 3B1044060A; Tue, 28 Oct 2025 13:56:37 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mails.dpdk.org (Postfix) with ESMTP id 922054021E for ; Tue, 28 Oct 2025 13:56:35 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1761656195; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dkkMQG/+jw1tt//AIG1hok+V1jxJNM3Vdk149zsBCGk=; b=Vfl6JtQwozRzA9N5NlQkDHdj/BIrfD9wodgIOrU0UbRe0+C6ZugPIk8E/5dTOZHFKGTo3M ZlfOc5OD7i+Y6o5sTt6MFB+y5/yCsmG7jPeHf5sQElQNBGih0dT3mMl1cD5J1ZLE1iz/gC ot6mVeAqYPMEVOcEHW1WGF113gr6pak= Received: from mail-lj1-f200.google.com (mail-lj1-f200.google.com [209.85.208.200]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-673-yFFNBUoXP9eZ12L5TrxXGw-1; Tue, 28 Oct 2025 08:56:34 -0400 X-MC-Unique: yFFNBUoXP9eZ12L5TrxXGw-1 X-Mimecast-MFC-AGG-ID: yFFNBUoXP9eZ12L5TrxXGw_1761656191 Received: by mail-lj1-f200.google.com with SMTP id 38308e7fff4ca-378d710cb33so26917001fa.3 for ; Tue, 28 Oct 2025 05:56:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761656191; x=1762260991; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=dkkMQG/+jw1tt//AIG1hok+V1jxJNM3Vdk149zsBCGk=; b=NrlsBogIgK1i2KJBIZTqCH0C+A7yV5bn+Gn6JdB6dF9UVBgznHQSUFNF/knoYAxOWP MfoqHHPPsnmylh539pZwA86626Komo8JUDG+EYZbINmw94CRCTg+Ndp3qeVqVAntGYzc rg8rvd9E5ceyE7c9CQpkmAXakg++mOolmyjIoeF2+Zv7NWKIECSR69detCG+VXB6pRFM /9azvIGDPFX0vLiT4NtGzyzxW7N44b4fRClP8aY9AohZU6je0MPv2/plPhgES3ZFXm1j 0tCmloqDn4qJU9zmnAOxKZmqEdL8dVSc//woXoFz63iAiOBPN1c1aF4hOoG4s6Oe0njS ZX8w== X-Gm-Message-State: AOJu0YxJsHP2jmJa7Dxi2GxOL2swJx85ZsFx/+gePrYrivTBmd1lIxo7 UY6Vkf5cXDKdde9aBG4BHyNMZmEJCuzvat6BrPL70ce9t3dGiVrvApKaaiZb0aNEql9yhwheAYc yqfg73kUr3g1+O614o3VhUlceXjrDL1kE6Pun7hQwOHhc2yjhbaufy+WdLpkwImxyeCs0oZ7OeN Ql32PUKLwhgoowsgbAJQo= X-Gm-Gg: ASbGncu1yML6LdK+KSsxWSRW8dubmag/QHEOCCPmAxxzo6DCdxlD/AqKHaGC8Wukb1Z /7P4b6Vqm1gCu9vD30F9/lAWrov6yIIqmCgCY1tbCWyhC6EzglI9lP3utEWdkRow2rmatw47xrr xtG6nbbr2sNEfSYSTb3SqiyhAtP+9P2J8VSPlmYpRGy0cio3fq5AIh3A== X-Received: by 2002:a05:651c:3543:10b0:36b:b0eb:9d64 with SMTP id 38308e7fff4ca-3790773c7a6mr9004201fa.30.1761656191313; Tue, 28 Oct 2025 05:56:31 -0700 (PDT) X-Google-Smtp-Source: AGHT+IG27qzf2ZoLthZ/5HFH+pPK5nFyMCVKZiLRPSeMkEYKEkQ9J1ydKnS3OT/ZvxDjcjymWr6xkRO9QsUagHVURPg= X-Received: by 2002:a05:651c:3543:10b0:36b:b0eb:9d64 with SMTP id 38308e7fff4ca-3790773c7a6mr9004051fa.30.1761656190870; Tue, 28 Oct 2025 05:56:30 -0700 (PDT) MIME-Version: 1.0 References: <20251028123453.4127525-1-david.marchand@redhat.com> In-Reply-To: <20251028123453.4127525-1-david.marchand@redhat.com> From: Maxime Coquelin Date: Tue, 28 Oct 2025 13:56:20 +0100 X-Gm-Features: AWmQ_bkXgPnYIj0DtlY3RVEIndDwmyWvNUMuhQDzlQF_syN8KMQ_y5uiVBku8Mo Message-ID: Subject: Re: [PATCH] vhost: fix external buffer in VDUSE To: David Marchand Cc: dev@dpdk.org, jmeng@redhat.com, stable@dpdk.org, Maxime Coquelin , Chenbo Xia X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: WSd0tPcCuKKVNZyWdeadzLnAgtZbTk-KP0FTHJ2pSXw_1761656191 X-Mimecast-Originator: redhat.com 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 Tue, Oct 28, 2025 at 1:35=E2=80=AFPM David Marchand wrote: > > extbuf and linearbuf features are required for (enhanced) TSO support > in OVS. > > VDUSE ports were generating multi-segments mbufs in case of "TSO" > buffers which resulted in OVS generating wrong packets after tunnel > encapsulation. > > Enable the missing datapath features. > > Fixes: 0adb8eccc6a6 ("vhost: add VDUSE device creation and destruction") > Cc: stable@dpdk.org > > Signed-off-by: David Marchand > --- > lib/vhost/socket.c | 3 ++- > lib/vhost/vduse.c | 8 +++++++- > lib/vhost/vduse.h | 2 +- > 3 files changed, 10 insertions(+), 3 deletions(-) > Thanks for working on this! Reviewed-by: Maxime Coquelin Maxime