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-rw-r--r--src/vnet/ip/ip4.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/vnet/ip/ip4.h b/src/vnet/ip/ip4.h
index 74faa05947e..8f9a8e27bf5 100644
--- a/src/vnet/ip/ip4.h
+++ b/src/vnet/ip/ip4.h
@@ -354,6 +354,8 @@ vlib_buffer_push_ip4 (vlib_main_t * vm, vlib_buffer_t * b,
ih->checksum = 0;
b->flags |= VNET_BUFFER_F_OFFLOAD_IP_CKSUM | VNET_BUFFER_F_IS_IP4;
vnet_buffer (b)->l3_hdr_offset = (u8 *) ih - b->data;
+ vnet_buffer (b)->l4_hdr_offset = vnet_buffer (b)->l3_hdr_offset +
+ sizeof (*ih);
}
else
ih->checksum = ip4_header_checksum (ih);