From nobody Sun Apr 6 02:05:21 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1736338963; cv=none; d=zohomail.com; s=zohoarc; b=BWqMWhQV2rF0nxiF9Jb3Ya1vkRyME/1dFMfrSMlKlLizxwyAEnQ8omeSrMhH+F4MD5wByEPOSKgJZWPkje44wJS30bpwNMcRvN+14dEOJI+Ekwn+rW7oGm/K7UU7t33KGxrXqgljArlmgbPXuYpu2CpdEIKs+q8uasAdjlNVg0c= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1736338963; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=qMShpxxlgZk7ivSlzKAuGIG5z3yJv+Ts7KMBgEzCc+A=; b=ap4SLKMmE84unV7P1NWgpcwNDmtcN7ozFV81xCAsBnajkbKRRAlbIgbCM0tXBI2PBbADUENcVBGDHCDzCSG7qKasAJ/DtKhmxh01IfpHx5mLDmWpLRNXt+GEz4kIfwYYzOYLDnd+9HlA7axXP11pcRqxbr/i17UOt44YxO5l3bI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1736338963265236.20929364979077; Wed, 8 Jan 2025 04:22:43 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tVV3i-0005gj-Dp; Wed, 08 Jan 2025 07:21:14 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tVUwS-0002cc-E2 for qemu-devel@nongnu.org; Wed, 08 Jan 2025 07:13:50 -0500 Received: from mail-pl1-x629.google.com ([2607:f8b0:4864:20::629]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tVUwP-0007tf-M6 for qemu-devel@nongnu.org; Wed, 08 Jan 2025 07:13:43 -0500 Received: by mail-pl1-x629.google.com with SMTP id d9443c01a7336-216281bc30fso30537845ad.0 for ; Wed, 08 Jan 2025 04:13:41 -0800 (PST) Received: from localhost ([157.82.203.37]) by smtp.gmail.com with UTF8SMTPSA id 41be03b00d2f7-842b1ce01b8sm27462272a12.20.2025.01.08.04.13.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Jan 2025 04:13:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=daynix-com.20230601.gappssmtp.com; s=20230601; t=1736338420; x=1736943220; darn=nongnu.org; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:from:to:cc:subject:date:message-id:reply-to; bh=qMShpxxlgZk7ivSlzKAuGIG5z3yJv+Ts7KMBgEzCc+A=; b=gOmn7MC8W9FCrGtVfnPXA0pSgEVmFtU/vp07wgWLnBUFXwxwFJAKEiqY0sA3Y8PPXT CVEyxUmt30Qkch/McQFtfCsadGwEkk8iOCceZCJrGC+99JSzXiA97PqB551WIqDoT1B+ 353OgCMJXn0SzTZG+/rNNGAAuA401ZxQydxVeq1sefKCZJYPE+8A6yZHFo0SlrgTENws 00O/c+QdnmQ8veEFUzEt9q3Dk4DMK8O2DYUOuopiKiYuLfmogT37cEcDfShXqitlb2VX dUy2iBo73i6uuwMzRANRvVTUet5Aqq5AH8eezCtSH31Q4f1zHt6+t5ftzE6pPVihcgKq 2Eug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736338420; x=1736943220; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=qMShpxxlgZk7ivSlzKAuGIG5z3yJv+Ts7KMBgEzCc+A=; b=FTv/031PduMbLjZ3ZjNDcDpzlvbG6D7jb4mL5sA1ELbvo5hTv5TURxAv7KM5KBL/Td 05tuAhLOt9StU/ZFYxNUGJieBytgqUXsuwQ7Q6bBDa9dc6uhLZaQY+d++VnW5IMT2yFc tCD12m1mWuYSfP7oFBCwBJrivhGiyP1AesMNtV8oH/vXh0i1wiI3pmwmGpup8tChNRti pQB6UhKZyKO+CYhICnZgfVz28PNk5YXmU5t4aroYABNlrrqY2oHub9fEqbdM3X5OyJoe 9yMK8VdprawEj60u0GN6ogY3m35fYSCYPQen3KcE+wfZ4MuPnTuRWDD3er1kztjkaUIf xa/Q== X-Gm-Message-State: AOJu0YyxqEvdyfrkl5Ew7UQzub9LlqtlG7Z62YHC0+mv45BSNVV7osR/ 3yFMBuD1xPl5tM55J1SVnHlr/+rIKmU/JH/tAJNFTrXLMDGbPw2+5bvAPf/Tfxs= X-Gm-Gg: ASbGncu5fUjKrfv5w2iQz7xS0kifizhehyGd61LFCRkqgUiUAo00s/vAKztv2U+dSYq nL8RP+3KJkDkX0kpWS2TQ6d/ifEBT09ZH0RtAR6ic0/i3KnVop/rWM8kZQdexH1YT41KuManmH0 xvH9qUNRdhCuYpFbEs1qc0RXSfDcCrZq5hnCojVOK1AtY0OJoYCsZuIW/qQdh902DyVKlj0hWoG MYY3Tj2GKBFJaLTnfknLeLekueyfrYV2/G55KATSb/QjGkHhnov3n8+Ltg= X-Google-Smtp-Source: AGHT+IHAi2cNp8BpVaGCtzaMkDvyuBW8eZwL5MYmrAr2CZyZZr5P69cSREB/fYOTTHlkHtJPIZn7Zg== X-Received: by 2002:a05:6a00:6c89:b0:725:936d:4187 with SMTP id d2e1a72fcca58-72d21fcec01mr3812894b3a.17.1736338420286; Wed, 08 Jan 2025 04:13:40 -0800 (PST) From: Akihiko Odaki Date: Wed, 08 Jan 2025 21:13:29 +0900 Subject: [PATCH] virtio-net: Fix num_buffers for version 1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250108-buffers-v1-1-a0c85ff31aeb@daynix.com> X-B4-Tracking: v=1; b=H4sIAOhrfmcC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIxNDIyNz3aTStLTUomJds6QUYxNL42QjC/NUJaDqgqLUtMwKsEnRsbW1AC7 C18dZAAAA To: "Michael S. Tsirkin" , Jason Wang Cc: qemu-devel@nongnu.org, devel@daynix.com, Akihiko Odaki X-Mailer: b4 0.14-dev-fd6e3 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::629; envelope-from=akihiko.odaki@daynix.com; helo=mail-pl1-x629.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @daynix-com.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1736338963869116600 The specification says the device MUST set num_buffers to 1 if VIRTIO_NET_F_MRG_RXBUF has not been negotiated. Fixes: df91055db5c9 ("virtio-net: enable virtio 1.0") Signed-off-by: Akihiko Odaki Tested-by: Lei Yang --- hw/net/virtio-net.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 06f096abf678..b241cd4bb48a 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -1992,6 +1992,8 @@ static ssize_t virtio_net_receive_rcu(NetClientState = *nc, const uint8_t *buf, offsetof(typeof(hdr), virtio_net.hdr.num_buffers), sizeof(hdr.virtio_net.hdr.num_buffers)= ); + } else { + hdr.virtio_net.hdr.num_buffers =3D cpu_to_le16(1); } =20 guest_offset =3D n->has_vnet_hdr ? --- base-commit: 38d0939b86e2eef6f6a622c6f1f7befda0146595 change-id: 20241227-buffers-6bd3493c287e Best regards, --=20 Akihiko Odaki