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[44.242.66.180]) by smtp.gmail.com with ESMTPSA id a17sm5620333ejf.20.2021.03.16.01.13.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Mar 2021 01:13:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references; bh=fYxXpZBSx/3UmjTv+pgNgyANPy1MdJ+W91DIofp+gdA=; b=O+x53o3xA61i5ErI0QZrdKPGWVyv/bKT+57fHZheOETDZ09T3dY5facDsNJsOr5jo6 fpcm08Q3oCAmpAavvJUKMhF8coPI9+LnYF2EPF+J6QJ+nvwYGnUVvAVqx36Rie8vmwjR EHkN/3zhLN85X9C7QQzWieMMxDYptj8kP3UvbkCt3LU3gmW8qPuynl3mXErJQb2CnYmB 4Ldwk2Pe944vDt/t5DELVpEDtqlPcY0IpqYz1P1A2lP679N3LfWDQiSLspMa+xHB9QG7 hzFFf61hhX0wnS4LlhiogNITfY9VGhHjNUbmd3A/Qv8DZfsSo3hqKFtlGQygWtUOgIfC //lQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=fYxXpZBSx/3UmjTv+pgNgyANPy1MdJ+W91DIofp+gdA=; b=GewLtFePoZfiFdVkfJcbwxnFFN4E0T3xPXuj2K3H+S8zzqXr8L1kvUkYD5eNXRWd84 0RXeGQblmS5aXDLKXztx15xMR5G3EKIsnAEIy7RgcEWA2LKk+NQHOjfDQImBbqf2yDYa 9fJ9H/gderZvrjuS45IqPHbe+TqV4PY76gx+oebuxQijvNwHUdnyjiJButFZ3CI6CU3k cyzU8S/99htP2aS3tpx/VNyuHMiYWNoisTP6GcPyVJHEY8+AUuoLL5K/7I+80hzGMimD c9ZOPJX7Qg5XwWLIAikzk7tuuM9GOq7z/AXWfeOP7ZKNvVdwpHGDHcYO09QUCFWKIZBv 3J8g== X-Gm-Message-State: AOAM530mxK2T8dV0p8U5XFmdV+NtvjAROCp1SlPo5JvE2QNhDSUdFGPR DtK2SrUXQICk4hyX2kfj6i0= X-Google-Smtp-Source: ABdhPJyvzTs1zfM8gG6cYx0Yy2ByW/xVTPUg69+LlZGZUkk3VWkk1AW1OGxMq0P1Van5oAsSQFxhjQ== X-Received: by 2002:aa7:c9c8:: with SMTP id i8mr34087745edt.193.1615882409968; Tue, 16 Mar 2021 01:13:29 -0700 (PDT) From: Bin Meng To: Jason Wang , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Peter Maydell , qemu-devel@nongnu.org Subject: [PATCH v3 07/13] hw/net: vmxnet3: Remove the logic of padding short frames in the receive path Date: Tue, 16 Mar 2021 16:12:48 +0800 Message-Id: <20210316081254.72684-8-bmeng.cn@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210316081254.72684-1-bmeng.cn@gmail.com> References: <20210316081254.72684-1-bmeng.cn@gmail.com> 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=2a00:1450:4864:20::535; envelope-from=bmeng.cn@gmail.com; helo=mail-ed1-x535.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, 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: 2.1.23 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" X-ZohoMail-DKIM: pass (identity @gmail.com) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Now that we have implemented unified short frames padding in the QEMU networking codes, remove the same logic in the NIC codes. This actually reverts commit 40a87c6c9b11ef9c14e0301f76abf0eb2582f08e. Signed-off-by: Bin Meng --- (no changes since v1) hw/net/vmxnet3.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c index eff299f629..d993cce097 100644 --- a/hw/net/vmxnet3.c +++ b/hw/net/vmxnet3.c @@ -39,7 +39,6 @@ =20 #define PCI_DEVICE_ID_VMWARE_VMXNET3_REVISION 0x1 #define VMXNET3_MSIX_BAR_SIZE 0x2000 -#define MIN_BUF_SIZE 60 =20 /* Compatibility flags for migration */ #define VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS_BIT 0 @@ -1951,7 +1950,6 @@ vmxnet3_receive(NetClientState *nc, const uint8_t *bu= f, size_t size) { VMXNET3State *s =3D qemu_get_nic_opaque(nc); size_t bytes_indicated; - uint8_t min_buf[MIN_BUF_SIZE]; =20 if (!vmxnet3_can_receive(nc)) { VMW_PKPRN("Cannot receive now"); @@ -1964,14 +1962,6 @@ vmxnet3_receive(NetClientState *nc, const uint8_t *b= uf, size_t size) size -=3D sizeof(struct virtio_net_hdr); } =20 - /* Pad to minimum Ethernet frame length */ - if (size < sizeof(min_buf)) { - memcpy(min_buf, buf, size); - memset(&min_buf[size], 0, sizeof(min_buf) - size); - buf =3D min_buf; - size =3D sizeof(min_buf); - } - net_rx_pkt_set_packet_type(s->rx_pkt, get_eth_packet_type(PKT_GET_ETH_HDR(buf))); =20 --=20 2.17.1