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-rw-r--r--net/filter-rewriter.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/filter-rewriter.c b/net/filter-rewriter.c
index 98120095de..2be388f539 100644
--- a/net/filter-rewriter.c
+++ b/net/filter-rewriter.c
@@ -99,7 +99,8 @@ static int handle_primary_tcp_pkt(NetFilterState *nf,
/* handle packets to the secondary from the primary */
tcp_pkt->th_ack = htonl(ntohl(tcp_pkt->th_ack) + conn->offset);
- net_checksum_calculate((uint8_t *)pkt->data, pkt->size);
+ net_checksum_calculate((uint8_t *)pkt->data + pkt->vnet_hdr_len,
+ pkt->size - pkt->vnet_hdr_len);
}
}
@@ -138,7 +139,8 @@ static int handle_secondary_tcp_pkt(NetFilterState *nf,
/* handle packets to the primary from the secondary*/
tcp_pkt->th_seq = htonl(ntohl(tcp_pkt->th_seq) - conn->offset);
- net_checksum_calculate((uint8_t *)pkt->data, pkt->size);
+ net_checksum_calculate((uint8_t *)pkt->data + pkt->vnet_hdr_len,
+ pkt->size - pkt->vnet_hdr_len);
}
}