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[Qemu-devel] [PATCH V2 5/6] net/colo.c: Add vnet packet parse feature in


From: Zhang Chen
Subject: [Qemu-devel] [PATCH V2 5/6] net/colo.c: Add vnet packet parse feature in colo-proxy
Date: Thu, 20 Apr 2017 14:39:05 +0800

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

Signed-off-by: Zhang Chen <address@hidden>
---
 net/colo.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

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 parse_packet_early(Packet *pkt)
 {
     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 @@ int parse_packet_early(Packet *pkt)
     }
 
     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;
     }
-- 
2.7.4






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