From d63b366a26b46bd8109a64bf4a2ecc5e16242a8b Mon Sep 17 00:00:00 2001 From: Zhang Chen Date: Tue, 4 Jul 2017 14:53:54 +0800 Subject: [PATCH] net/colo-compare.c: Add vnet packet's tcp/udp/icmp compare COLO-Proxy just focus on packet payload, so we skip vnet header. Signed-off-by: Zhang Chen Signed-off-by: Jason Wang --- net/colo-compare.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/net/colo-compare.c b/net/colo-compare.c index 95911a260f..ca67c68615 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -201,8 +201,11 @@ static int colo_packet_compare_common(Packet *ppkt, Packet *spkt, int offset) sec_ip_src, sec_ip_dst); } + offset = ppkt->vnet_hdr_len + offset; + if (ppkt->size == spkt->size) { - return memcmp(ppkt->data + offset, spkt->data + offset, + return memcmp(ppkt->data + offset, + spkt->data + offset, spkt->size - offset); } else { trace_colo_compare_main("Net packet size are not the same"); @@ -261,8 +264,9 @@ static int colo_packet_compare_tcp(Packet *spkt, Packet *ppkt) */ if (ptcp->th_off > 5) { ptrdiff_t tcp_offset; + tcp_offset = ppkt->transport_header - (uint8_t *)ppkt->data - + (ptcp->th_off * 4); + + (ptcp->th_off * 4) - ppkt->vnet_hdr_len; res = colo_packet_compare_common(ppkt, spkt, tcp_offset); } else if (ptcp->th_sum == stcp->th_sum) { res = colo_packet_compare_common(ppkt, spkt, ETH_HLEN); -- 2.11.0