session: api to add new transport types

[vpp.git] / src / vlib / node_funcs.h

diff --git a/src/vlib/node_funcs.h b/src/vlib/node_funcs.h
index d848419..d6d04fb 100644 (file)
--- a/src/vlib/node_funcs.h
+++ b/src/vlib/node_funcs.h
@@ -135,7 +135,8 @@ vlib_node_set_runtime_data (vlib_main_t * vm, u32 node_index,
          STRUCT_OFFSET_OF (vlib_node_runtime_t, runtime_data));
 
   if (vec_len (n->runtime_data) > 0)
-    clib_memcpy (r->runtime_data, n->runtime_data, vec_len (n->runtime_data));
+    clib_memcpy_fast (r->runtime_data, n->runtime_data,
+                     vec_len (n->runtime_data));
 }
 
 /** \brief Set node dispatch state.
@@ -211,42 +212,18 @@ vlib_get_process_from_node (vlib_main_t * vm, vlib_node_t * node)
   return vec_elt (nm->processes, node->runtime_index);
 }
 
-/* Fetches frame with given handle. */
 always_inline vlib_frame_t *
-vlib_get_frame_no_check (vlib_main_t * vm, uword frame_index)
+vlib_get_frame (vlib_main_t * vm, vlib_frame_t * f)
 {
-  vlib_frame_t *f;
-  f = vm->heap_aligned_base + (frame_index * VLIB_FRAME_ALIGN);
+  ASSERT (f != NULL);
+  ASSERT (f->frame_flags & VLIB_FRAME_IS_ALLOCATED);
   return f;
 }
 
-always_inline u32
-vlib_frame_index_no_check (vlib_main_t * vm, vlib_frame_t * f)
-{
-  uword i;
-
-  ASSERT (((uword) f & (VLIB_FRAME_ALIGN - 1)) == 0);
-
-  i = ((u8 *) f - (u8 *) vm->heap_aligned_base);
-  ASSERT ((i / VLIB_FRAME_ALIGN) <= 0xFFFFFFFFULL);
-
-  return i / VLIB_FRAME_ALIGN;
-}
-
-always_inline vlib_frame_t *
-vlib_get_frame (vlib_main_t * vm, uword frame_index)
-{
-  vlib_frame_t *f = vlib_get_frame_no_check (vm, frame_index);
-  ASSERT (f->flags & VLIB_FRAME_IS_ALLOCATED);
-  return f;
-}
-
-always_inline u32
-vlib_frame_index (vlib_main_t * vm, vlib_frame_t * f)
+always_inline void
+vlib_frame_no_append (vlib_frame_t * f)
 {
-  uword i = vlib_frame_index_no_check (vm, f);
-  ASSERT (vlib_get_frame (vm, i) == f);
-  return i;
+  f->frame_flags |= VLIB_FRAME_NO_APPEND;
 }
 
 /* Byte alignment for vector arguments. */
@@ -271,9 +248,6 @@ vlib_frame_vector_args (vlib_frame_t * f)
 
 /** \brief Get pointer to frame scalar data.
 
- @warning This is almost certainly not the function you wish to call.
- See @ref vlib_frame_vector_args instead.
-
  @param f vlib_frame_t pointer
 
  @return arbitrary node scalar data
@@ -281,7 +255,7 @@ vlib_frame_vector_args (vlib_frame_t * f)
  @sa vlib_frame_vector_args
 */
 always_inline void *
-vlib_frame_args (vlib_frame_t * f)
+vlib_frame_scalar_args (vlib_frame_t * f)
 {
   return vlib_frame_vector_args (f) - f->scalar_size;
 }
@@ -1015,7 +989,7 @@ vlib_signal_one_time_waiting_process (vlib_main_t * vm,
 {
   vlib_process_signal_one_time_event (vm, p->node_index, p->one_time_event,
                                      /* data */ ~0);
-  memset (p, ~0, sizeof (p[0]));
+  clib_memset (p, ~0, sizeof (p[0]));
 }
 
 always_inline void
@@ -1182,6 +1156,16 @@ vlib_node_increment_counter (vlib_main_t * vm, u32 node_index,
   em->counters[node_counter_base_index + counter_index] += increment;
 }
 
+/** @brief Create a vlib process
+ *  @param vm &vlib_global_main
+ *  @param f the process node function
+ *  @param log2_n_stack_bytes size of the process stack, defaults to 16K
+ *  @return newly-create node index
+ *  @warning call only on the main thread. Barrier sync required
+ */
+u32 vlib_process_create (vlib_main_t * vm, char *name,
+                        vlib_node_function_t * f, u32 log2_n_stack_bytes);
+
 #endif /* included_vlib_node_funcs_h */
 
 /*