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From: Bin Meng <bmeng.cn@gmail.com>
To: "Jason Wang" <jasowang@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>,
	"Peter Maydell" <peter.maydell@linaro.org>,
	qemu-devel@nongnu.org
Cc: Bin Meng <bmeng.cn@gmail.com>
Subject: [PATCH v2 05/13] hw/net: virtio-net: Initialize nc->do_not_pad to true
Date: Mon, 15 Mar 2021 15:57:10 +0800	[thread overview]
Message-ID: <20210315075718.5402-6-bmeng.cn@gmail.com> (raw)
In-Reply-To: <20210315075718.5402-1-bmeng.cn@gmail.com>

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 <bmeng.cn@gmail.com>
---

 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++) {
-- 
2.25.1



  parent reply	other threads:[~2021-03-15  8:01 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-15  7:57 [PATCH v2 00/13] net: Pad short frames for network backends Bin Meng
2021-03-15  7:57 ` [PATCH v2 01/13] net: Add ETH_ZLEN define in eth.h Bin Meng
2021-03-15  9:13   ` Philippe Mathieu-Daudé
2021-03-15 10:15     ` Bin Meng
2021-03-15 10:24       ` Philippe Mathieu-Daudé
2021-03-15  7:57 ` [PATCH v2 02/13] net: Add a 'do_not_pad" to NetClientState Bin Meng
2021-03-15  9:17   ` Philippe Mathieu-Daudé
2021-03-15  9:18     ` Philippe Mathieu-Daudé
2021-03-15  9:22       ` Philippe Mathieu-Daudé
2021-03-15 10:17         ` Bin Meng
2021-03-15 10:21           ` Peter Maydell
2021-03-15  7:57 ` [PATCH v2 03/13] net: slirp: Pad short frames to minimum size before send Bin Meng
2021-03-16  2:25   ` Jason Wang
2021-03-15  7:57 ` [PATCH v2 04/13] net: tap: " Bin Meng
2021-03-15  7:57 ` Bin Meng [this message]
2021-03-15  7:57 ` [PATCH v2 06/13] hw/net: e1000: Remove the logic of padding short frames in the receive path Bin Meng
2021-03-15  7:57 ` [PATCH v2 07/13] hw/net: vmxnet3: " Bin Meng
2021-03-15  7:57 ` [PATCH v2 08/13] hw/net: i82596: " Bin Meng
2021-03-15  7:57 ` [PATCH v2 09/13] hw/net: ne2000: " Bin Meng
2021-03-15  7:57 ` [PATCH v2 10/13] hw/net: pcnet: " Bin Meng
2021-03-15  7:57 ` [PATCH v2 11/13] hw/net: rtl8139: " Bin Meng
2021-03-15  7:57 ` [PATCH v2 12/13] hw/net: sungem: " Bin Meng
2021-03-15  7:57 ` [PATCH v2 13/13] hw/net: sunhme: " Bin Meng

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