fix pcap_write function

[vpp.git] / src / vnet / buffer.h

diff --git a/src/vnet/buffer.h b/src/vnet/buffer.h
index 97dd31c..5a3bc3f 100644 (file)
--- a/src/vnet/buffer.h
+++ b/src/vnet/buffer.h
@@ -427,7 +427,10 @@ STATIC_ASSERT (sizeof (vnet_buffer_opaque2_t) <=
               STRUCT_SIZE_OF (vlib_buffer_t, opaque2),
               "VNET buffer opaque2 meta-data too large for vlib_buffer");
 
-#define gso_mtu_sz(b) (vnet_buffer2(b)->gso_size + vnet_buffer2(b)->gso_l4_hdr_sz + vnet_buffer(b)->l4_hdr_offset)
+#define gso_mtu_sz(b) (vnet_buffer2(b)->gso_size + \
+                       vnet_buffer2(b)->gso_l4_hdr_sz + \
+                       vnet_buffer(b)->l4_hdr_offset - \
+                       vnet_buffer (b)->l3_hdr_offset)
 
 
 format_function_t format_vnet_buffer;