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net/colo.c: Add vnet packet parse feature in colo-proxy 

Make colo-compare and filter-rewriter can parse vnet packet.

Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Zhang Chen 2017-07-04 14:53:53 +08:00 committed by Jason Wang
parent aa3a7032f7
commit 5cc444d367
1 changed files with 3 additions and 3 deletions
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6
net/colo.c
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@ -43,11 +43,11 @@ int parse_packet_early(Packet *pkt)
{ {
int network_length; int network_length;
static const uint8_t vlan[] = {0x81, 0x00}; static const uint8_t vlan[] = {0x81, 0x00};
uint8_t *data = pkt->data; uint8_t *data = pkt->data + pkt->vnet_hdr_len;
uint16_t l3_proto; uint16_t l3_proto;
ssize_t l2hdr_len = eth_get_l2_hdr_length(data); ssize_t l2hdr_len = eth_get_l2_hdr_length(data);
if (pkt->size < ETH_HLEN) { if (pkt->size < ETH_HLEN + pkt->vnet_hdr_len) {
trace_colo_proxy_main("pkt->size < ETH_HLEN"); trace_colo_proxy_main("pkt->size < ETH_HLEN");
return 1; return 1;
} }
@ -73,7 +73,7 @@ int parse_packet_early(Packet *pkt)
} }
network_length = pkt->ip->ip_hl * 4; network_length = pkt->ip->ip_hl * 4;
if (pkt->size < l2hdr_len + network_length) { if (pkt->size < l2hdr_len + network_length + pkt->vnet_hdr_len) {
trace_colo_proxy_main("pkt->size < network_header + network_length"); trace_colo_proxy_main("pkt->size < network_header + network_length");
return 1; return 1;
} }