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Diffstat (limited to 'src/vnet/devices/virtio/node.c')
-rw-r--r--src/vnet/devices/virtio/node.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/src/vnet/devices/virtio/node.c b/src/vnet/devices/virtio/node.c
index 1de4fb73f7d..551651ed372 100644
--- a/src/vnet/devices/virtio/node.c
+++ b/src/vnet/devices/virtio/node.c
@@ -91,8 +91,7 @@ virtio_needs_csum (vlib_buffer_t *b0, vnet_virtio_net_hdr_v1_t *hdr,
}
else
{
- ethernet_header_t *eh =
- (ethernet_header_t *) vlib_buffer_get_current (b0);
+ ethernet_header_t *eh = (ethernet_header_t *) b0->data;
ethertype = clib_net_to_host_u16 (eh->type);
l2hdr_sz = sizeof (ethernet_header_t);
@@ -117,8 +116,7 @@ virtio_needs_csum (vlib_buffer_t *b0, vnet_virtio_net_hdr_v1_t *hdr,
if (PREDICT_TRUE (ethertype == ETHERNET_TYPE_IP4))
{
- ip4_header_t *ip4 =
- (ip4_header_t *) (vlib_buffer_get_current (b0) + l2hdr_sz);
+ ip4_header_t *ip4 = (ip4_header_t *) (b0->data + l2hdr_sz);
vnet_buffer (b0)->l4_hdr_offset = l2hdr_sz + ip4_header_bytes (ip4);
*l4_proto = ip4->protocol;
oflags |= VNET_BUFFER_OFFLOAD_F_IP_CKSUM;
@@ -129,8 +127,7 @@ virtio_needs_csum (vlib_buffer_t *b0, vnet_virtio_net_hdr_v1_t *hdr,
}
else if (PREDICT_TRUE (ethertype == ETHERNET_TYPE_IP6))
{
- ip6_header_t *ip6 =
- (ip6_header_t *) (vlib_buffer_get_current (b0) + l2hdr_sz);
+ ip6_header_t *ip6 = (ip6_header_t *) (b0->data + l2hdr_sz);
vnet_buffer (b0)->l4_hdr_offset = l2hdr_sz + sizeof (ip6_header_t);
/* FIXME IPv6 EH traversal */
*l4_proto = ip6->protocol;
@@ -142,18 +139,14 @@ virtio_needs_csum (vlib_buffer_t *b0, vnet_virtio_net_hdr_v1_t *hdr,
if (*l4_proto == IP_PROTOCOL_TCP)
{
oflags |= VNET_BUFFER_OFFLOAD_F_TCP_CKSUM;
- tcp_header_t *tcp = (tcp_header_t *) (vlib_buffer_get_current (b0) +
- vnet_buffer
- (b0)->l4_hdr_offset);
+ tcp_header_t *tcp =
+ (tcp_header_t *) (b0->data + vnet_buffer (b0)->l4_hdr_offset);
*l4_hdr_sz = tcp_header_bytes (tcp);
}
else if (*l4_proto == IP_PROTOCOL_UDP)
{
oflags |= VNET_BUFFER_OFFLOAD_F_UDP_CKSUM;
- udp_header_t *udp = (udp_header_t *) (vlib_buffer_get_current (b0) +
- vnet_buffer
- (b0)->l4_hdr_offset);
- *l4_hdr_sz = sizeof (*udp);
+ *l4_hdr_sz = sizeof (udp_header_t);
}
if (oflags)
vnet_buffer_offload_flags_set (b0, oflags);