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[Qemu-devel] [PATCH 12/14] virtio-net: minor code simplification
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PATCH 12/14] virtio-net: minor code simplification |
Date: |
Tue, 25 Sep 2012 01:05:06 +0200 |
During packet filtering, we can now use host hdr len
to offset incoming buffer unconditionally.
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
hw/virtio-net.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/hw/virtio-net.c b/hw/virtio-net.c
index d9a9f8f..c65dead 100644
--- a/hw/virtio-net.c
+++ b/hw/virtio-net.c
@@ -543,9 +543,7 @@ static int receive_filter(VirtIONet *n, const uint8_t *buf,
int size)
if (n->promisc)
return 1;
- if (n->has_vnet_hdr) {
- ptr += sizeof(struct virtio_net_hdr);
- }
+ ptr += n->host_hdr_len;
if (!memcmp(&ptr[12], vlan, sizeof(vlan))) {
int vid = be16_to_cpup((uint16_t *)(ptr + 14)) & 0xfff;
--
MST
- Re: [Qemu-devel] [PATCH 07/14] virtio-net: first s/g is always at start of buf, (continued)
- [Qemu-devel] [PATCH 02/14] iov: add const annotation, Michael S. Tsirkin, 2012/09/24
- [Qemu-devel] [PATCH 08/14] virtio-net: switch tx to safe iov functions, Michael S. Tsirkin, 2012/09/24
- [Qemu-devel] [PATCH 09/14] virtio-net: simplify rx code, Michael S. Tsirkin, 2012/09/24
- [Qemu-devel] [PATCH 06/14] virtio-net: refactor receive_hdr, Michael S. Tsirkin, 2012/09/24
- [Qemu-devel] [PATCH 10/14] virtio: don't mark unaccessed memory as dirty, Michael S. Tsirkin, 2012/09/24
- [Qemu-devel] [PATCH 11/14] virtio-net: fix used len for tx, Michael S. Tsirkin, 2012/09/24
- [Qemu-devel] [PATCH 12/14] virtio-net: minor code simplification,
Michael S. Tsirkin <=
- [Qemu-devel] [PATCH 14/14] virtio-net: enable mrg buf header in tap on linux, Michael S. Tsirkin, 2012/09/24
- [Qemu-devel] [PATCH 13/14] virtio-net: test peer header support at init time, Michael S. Tsirkin, 2012/09/24