commit 5cc444d367078e3582b8e7e0136c53d3632c544b
author Zhang Chen <zhangchen.fnst@cn.fujitsu.com> Tue Jul 04 14:53:53 2017 +0800
committer Jason Wang <jasowang@redhat.com> Mon Jul 17 20:13:51 2017 +0800
tree b5f3d77f389a0fa5d1f4d06e60028f6a7f2f9d6f
parent aa3a7032f73f603818ea3e781b19ce8eab0d33f1

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>

net/colo.c

diff --git a/net/colo.c b/net/colo.c
index 180eaed..28ce7c8 100644
--- a/net/colo.c
+++ b/net/colo.c
@@ -43,11 +43,11 @@
 {
     int network_length;
     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;
     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");
         return 1;
     }
@@ -73,7 +73,7 @@
     }
 
     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");
         return 1;
     }