X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvlib%2Fnode.h;h=f41eb60aa2c4284d5063f638570ed0a15e5211b6;hb=ad69c1fddc4f3d1054cb527e550dfa1698355244;hp=fd245d59defb47888c8779b7ae7b2eb58a109dec;hpb=4d1a866aff6ceb03025990b6e60b42faf09ef486;p=vpp.git

diff --git a/src/vlib/node.h b/src/vlib/node.h
index fd245d59def..f41eb60aa2c 100644
--- a/src/vlib/node.h
+++ b/src/vlib/node.h
@@ -55,6 +55,17 @@ typedef uword (vlib_node_function_t) (struct vlib_main_t * vm,
 				      struct vlib_node_runtime_t * node,
 				      struct vlib_frame_t * frame);
 
+typedef enum
+{
+  VLIB_NODE_PROTO_HINT_NONE = 0,
+  VLIB_NODE_PROTO_HINT_ETHERNET,
+  VLIB_NODE_PROTO_HINT_IP4,
+  VLIB_NODE_PROTO_HINT_IP6,
+  VLIB_NODE_PROTO_HINT_TCP,
+  VLIB_NODE_PROTO_HINT_UDP,
+  VLIB_NODE_N_PROTO_HINTS,
+} vlib_node_proto_hint_t;
+
 typedef enum
 {
   /* An internal node on the call graph (could be output). */
@@ -134,6 +145,9 @@ typedef struct _vlib_node_registration
   /* Node flags. */
   u16 flags;
 
+  /* protocol at b->data[b->current_data] upon entry to the dispatch fn */
+  u8 protocol_hint;
+
   /* Size of scalar and vector arguments in bytes. */
   u16 scalar_size, vector_size;
 
@@ -320,6 +334,9 @@ typedef struct vlib_node_t
   /* Number of bytes of run time data. */
   u8 runtime_data_bytes;
 
+  /* protocol at b->data[b->current_data] upon entry to the dispatch fn */
+  u8 protocol_hint;
+
   /* Number of error codes used by this node. */
   u16 n_errors;
 
@@ -444,7 +461,7 @@ typedef struct
 always_inline void
 vlib_next_frame_init (vlib_next_frame_t * nf)
 {
-  memset (nf, 0, sizeof (nf[0]));
+  clib_memset (nf, 0, sizeof (nf[0]));
   nf->frame_index = ~0;
   nf->node_runtime_index = ~0;
 }