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[44.242.66.180]) by smtp.gmail.com with ESMTPSA id d1sm10751349eje.26.2021.03.16.23.27.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Mar 2021 23:27:06 -0700 (PDT) From: Bin Meng To: Jason Wang , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Peter Maydell , qemu-devel@nongnu.org Subject: [PATCH v5 04/12] hw/net: virtio-net: Initialize nc->do_not_pad to true Date: Wed, 17 Mar 2021 14:26:30 +0800 Message-Id: <20210317062638.72626-5-bmeng.cn@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210317062638.72626-1-bmeng.cn@gmail.com> References: <20210317062638.72626-1-bmeng.cn@gmail.com> Received-SPF: pass client-ip=2a00:1450:4864:20::530; envelope-from=bmeng.cn@gmail.com; helo=mail-ed1-x530.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" For virtio-net, there is no need to pad the Ethernet frame size to 60 bytes before sending to it. Signed-off-by: Bin Meng --- (no changes since v1) hw/net/virtio-net.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 96a3cc8357..66b9ff4511 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -3314,6 +3314,10 @@ static void virtio_net_device_realize(DeviceState *dev, Error **errp) object_get_typename(OBJECT(dev)), dev->id, n); } + for (i = 0; i < n->max_queues; i++) { + n->nic->ncs[i].do_not_pad = true; + } + peer_test_vnet_hdr(n); if (peer_has_vnet_hdr(n)) { for (i = 0; i < n->max_queues; i++) { -- 2.17.1