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Diffstat (limited to 'src/vnet/lisp-gpe/decap.c')
-rw-r--r--src/vnet/lisp-gpe/decap.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/vnet/lisp-gpe/decap.c b/src/vnet/lisp-gpe/decap.c
index 5fd449cee9b..9c5234e7182 100644
--- a/src/vnet/lisp-gpe/decap.c
+++ b/src/vnet/lisp-gpe/decap.c
@@ -62,10 +62,17 @@ static u32 next_proto_to_next_index[LISP_GPE_NEXT_PROTOS] = {
always_inline u32
next_protocol_to_next_index (lisp_gpe_header_t * lgh, u8 * next_header)
{
+ lisp_gpe_main_t *lgm = vnet_lisp_gpe_get_main ();
+
/* lisp-gpe router */
if (PREDICT_TRUE ((lgh->flags & LISP_GPE_FLAGS_P)
- && lgh->next_protocol < LISP_GPE_NEXT_PROTOS))
- return next_proto_to_next_index[lgh->next_protocol];
+ || GPE_ENCAP_VXLAN == lgm->encap_mode))
+ {
+ if (PREDICT_FALSE (lgh->next_protocol > LISP_GPE_NEXT_PROTOS))
+ return LISP_GPE_INPUT_NEXT_DROP;
+
+ return next_proto_to_next_index[lgh->next_protocol];
+ }
/* legacy lisp router */
else if ((lgh->flags & LISP_GPE_FLAGS_P) == 0)
{