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-rwxr-xr-xsrc/vnet/ethernet/node.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/vnet/ethernet/node.c b/src/vnet/ethernet/node.c
index 8967cebefee..4529ca6a572 100755
--- a/src/vnet/ethernet/node.c
+++ b/src/vnet/ethernet/node.c
@@ -165,11 +165,12 @@ parse_header (ethernet_input_variant_t variant,
vlib_buffer_advance (b0, sizeof (h0[0]));
vlan_count = 2;
-
if (*type == ETHERNET_TYPE_VLAN)
{
// More than double tagged packet
*match_flags = SUBINT_CONFIG_VALID | SUBINT_CONFIG_MATCH_3_TAG;
+
+ vlib_buffer_advance (b0, sizeof (h0[0]));
vlan_count = 3; // "unknown" number, aka, 3-or-more
}
}
@@ -239,6 +240,8 @@ determine_next_node (ethernet_main_t * em,
// record the L2 len and reset the buffer so the L2 header is preserved
u32 eth_start = vnet_buffer (b0)->ethernet.start_of_ethernet_header;
vnet_buffer (b0)->l2.l2_len = b0->current_data - eth_start;
+ ASSERT (vnet_buffer (b0)->l2.l2_len ==
+ ethernet_buffer_header_size (b0));
vlib_buffer_advance (b0, -ethernet_buffer_header_size (b0));
// check for common IP/MPLS ethertypes