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From: Jason Wang <jasowang@redhat.com>
To: qemu-devel@nongnu.org, peter.maydell@linaro.org
Cc: Jason Wang <jasowang@redhat.com>, Bin Meng <bmeng.cn@gmail.com>
Subject: [PULL 04/13] hw/net: virtio-net: Initialize nc->do_not_pad to true
Date: Mon, 22 Mar 2021 18:08:03 +0800	[thread overview]
Message-ID: <1616407692-693-5-git-send-email-jasowang@redhat.com> (raw)
In-Reply-To: <1616407692-693-1-git-send-email-jasowang@redhat.com>

From: Bin Meng <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>
Signed-off-by: Jason Wang <jasowang@redhat.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 96a3cc8..66b9ff4 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++) {
-- 
2.7.4



  parent reply	other threads:[~2021-03-22 10:11 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-22 10:07 [PULL 00/13] Net patches Jason Wang
2021-03-22 10:08 ` [PULL 01/13] net: eth: Add a helper to pad a short Ethernet frame Jason Wang
2021-03-22 10:08 ` [PULL 02/13] net: Add a 'do_not_pad" to NetClientState Jason Wang
2021-03-22 10:08 ` [PULL 03/13] net: Pad short frames to minimum size before sending from SLiRP/TAP Jason Wang
2021-03-22 10:08 ` Jason Wang [this message]
2021-03-22 10:08 ` [PULL 05/13] net/colo-compare.c: Fix memory leak for non-tcp packet Jason Wang
2021-03-22 10:08 ` [PULL 06/13] net/colo-compare.c: Optimize removal of secondary packet Jason Wang
2021-03-22 10:08 ` [PULL 07/13] net/eth: Use correct in6_address offset in _eth_get_rss_ex_dst_addr() Jason Wang
2021-03-22 10:08 ` [PULL 08/13] net/eth: Simplify _eth_get_rss_ex_dst_addr() Jason Wang
2021-03-22 10:08 ` [PULL 09/13] net/eth: Better describe _eth_get_rss_ex_dst_addr's offset argument Jason Wang
2021-03-22 10:08 ` [PULL 10/13] net/eth: Check size earlier in _eth_get_rss_ex_dst_addr() Jason Wang
2021-03-22 10:08 ` [PULL 11/13] net/eth: Check iovec has enough data earlier Jason Wang
2021-03-22 10:08 ` [PULL 12/13] net/eth: Read ip6_ext_hdr_routing buffer before accessing it Jason Wang
2021-03-22 10:08 ` [PULL 13/13] net/eth: Add an assert() and invert if() statement to simplify code Jason Wang
2021-03-22 14:13 ` [PULL 00/13] Net patches Peter Maydell

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