X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvlib%2Fnode_funcs.h;h=d6d04fb16c2a5cb5c1168bc8c3d9c61f78ee1f08;hb=3e07a4a1e843267892dc291a833d93bd70597011;hp=d6588a74ba1738473efa4dd6041df738dd30e806;hpb=5c20a0131a6a2516c14d5ccfc6db90fd13ec8a33;p=vpp.git

diff --git a/src/vlib/node_funcs.h b/src/vlib/node_funcs.h
index d6588a74ba1..d6d04fb16c2 100644
--- 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.
@@ -211,45 +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;
-  u32 thread_index = frame_index & VLIB_CPU_MASK;
-  u32 offset = frame_index & VLIB_OFFSET_MASK;
-  vm = vlib_mains[thread_index];
-  f = vm->heap_base + offset;
+  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)
-{
-  u32 i;
-
-  ASSERT (((uword) f & VLIB_CPU_MASK) == 0);
-
-  vm = vlib_mains[f->thread_index];
-
-  i = ((u8 *) f - (u8 *) vm->heap_base);
-  return i | f->thread_index;
-}
-
-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. */
@@ -274,9 +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
@@ -284,7 +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;
 }
@@ -410,19 +381,21 @@ vlib_frame_t *vlib_get_frame_to_node (vlib_main_t * vm, u32 to_node_index);
 void vlib_put_frame_to_node (vlib_main_t * vm, u32 to_node_index,
 			     vlib_frame_t * f);
 
-always_inline vlib_process_t *
-vlib_get_current_process (vlib_main_t * vm)
-{
-  vlib_node_main_t *nm = &vm->node_main;
-  return vec_elt (nm->processes, nm->current_process_index);
-}
-
 always_inline uword
 vlib_in_process_context (vlib_main_t * vm)
 {
   return vm->node_main.current_process_index != ~0;
 }
 
+always_inline vlib_process_t *
+vlib_get_current_process (vlib_main_t * vm)
+{
+  vlib_node_main_t *nm = &vm->node_main;
+  if (vlib_in_process_context (vm))
+    return vec_elt (nm->processes, nm->current_process_index);
+  return 0;
+}
+
 always_inline uword
 vlib_current_process (vlib_main_t * vm)
 {
@@ -776,6 +749,8 @@ vlib_process_signal_event_helper (vlib_node_main_t * nm,
   uword p_flags, add_to_pending, delete_from_wheel;
   void *data_to_be_written_by_caller;
 
+  ASSERT (n->type == VLIB_NODE_TYPE_PROCESS);
+
   ASSERT (!pool_is_free_index (p->event_type_pool, t));
 
   vec_validate (p->pending_event_data_by_type_index, t);
@@ -817,7 +792,15 @@ vlib_process_signal_event_helper (vlib_node_main_t * nm,
     {
       /* Waiting for both event and clock? */
       if (p_flags & VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT)
-	delete_from_wheel = 1;
+	{
+	  if (!TW (tw_timer_handle_is_free)
+	      ((TWT (tw_timer_wheel) *) nm->timing_wheel,
+	       p->stop_timer_handle))
+	    delete_from_wheel = 1;
+	  else
+	    /* timer just popped so process should already be on the list */
+	    add_to_pending = 0;
+	}
       else
 	/* Waiting only for clock.  Event will be queue and may be
 	   handled when timer expires. */
@@ -852,6 +835,9 @@ vlib_process_signal_event_data (vlib_main_t * vm,
   vlib_process_t *p = vec_elt (nm->processes, n->runtime_index);
   uword *h, t;
 
+  /* Must be in main thread */
+  ASSERT (vlib_get_thread_index () == 0);
+
   h = hash_get (p->event_type_index_by_type_opaque, type_opaque);
   if (!h)
     {
@@ -963,6 +949,29 @@ vlib_process_signal_event_pointer (vlib_main_t * vm,
   d[0] = data;
 }
 
+/**
+ * Signal event to process from any thread.
+ *
+ * When in doubt, use this.
+ */
+always_inline void
+vlib_process_signal_event_mt (vlib_main_t * vm,
+			      uword node_index, uword type_opaque, uword data)
+{
+  if (vlib_get_thread_index () != 0)
+    {
+      vlib_process_signal_event_mt_args_t args = {
+	.node_index = node_index,
+	.type_opaque = type_opaque,
+	.data = data,
+      };
+      vlib_rpc_call_main_thread (vlib_process_signal_event_mt_helper,
+				 (u8 *) & args, sizeof (args));
+    }
+  else
+    vlib_process_signal_event (vm, node_index, type_opaque, data);
+}
+
 always_inline void
 vlib_process_signal_one_time_event (vlib_main_t * vm,
 				    uword node_index,
@@ -980,7 +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
@@ -1070,6 +1079,9 @@ vlib_node_vectors_per_main_loop_as_integer (vlib_main_t * vm, u32 node_index)
 void
 vlib_frame_free (vlib_main_t * vm, vlib_node_runtime_t * r, vlib_frame_t * f);
 
+/* Return the edge index if present, ~0 otherwise */
+uword vlib_node_get_next (vlib_main_t * vm, uword node, uword next_node);
+
 /* Add next node to given node in given slot. */
 uword
 vlib_node_add_next_with_slot (vlib_main_t * vm,
@@ -1094,6 +1106,14 @@ vlib_node_add_named_next (vlib_main_t * vm, uword node, char *name)
   return vlib_node_add_named_next_with_slot (vm, node, name, ~0);
 }
 
+/**
+ * Get list of nodes
+ */
+void
+vlib_node_get_nodes (vlib_main_t * vm, u32 max_threads, int include_stats,
+		     int barrier_sync, vlib_node_t **** node_dupsp,
+		     vlib_main_t *** stat_vmsp);
+
 /* Query node given name. */
 vlib_node_t *vlib_get_node_by_name (vlib_main_t * vm, u8 * name);
 
@@ -1136,6 +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 */
 
 /*