ip-neighbor: add description to the age parameter

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

diff --git a/src/vlib/node.h b/src/vlib/node.h
index bec0ed2..9f324f7 100644 (file)
--- a/src/vlib/node.h
+++ b/src/vlib/node.h
@@ -187,6 +187,7 @@ static void __vlib_rm_node_registration_##x (void)                      \
 __VA_ARGS__ vlib_node_registration_t x
 #else
 #define VLIB_REGISTER_NODE(x,...)                                       \
+STATIC_ASSERT (sizeof(# __VA_ARGS__) != 7,"node " #x " must not be declared as static"); \
 static __clib_unused vlib_node_registration_t __clib_unused_##x
 #endif
 
@@ -302,6 +303,7 @@ typedef struct vlib_node_t
 
 #define VLIB_NODE_FLAG_SWITCH_FROM_INTERRUPT_TO_POLLING_MODE (1 << 6)
 #define VLIB_NODE_FLAG_SWITCH_FROM_POLLING_TO_INTERRUPT_MODE (1 << 7)
+#define VLIB_NODE_FLAG_TRACE_SUPPORTED (1 << 8)
 
   /* State for input nodes. */
   u8 state;
@@ -760,8 +762,27 @@ typedef struct
 
   /* Node registrations added by constructors */
   vlib_node_registration_t *node_registrations;
+
+  /* Node index from error code */
+  u32 *node_by_error;
 } vlib_node_main_t;
 
+typedef u16 vlib_error_t;
+
+always_inline u32
+vlib_error_get_node (vlib_node_main_t * nm, vlib_error_t e)
+{
+  return nm->node_by_error[e];
+}
+
+always_inline u32
+vlib_error_get_code (vlib_node_main_t * nm, vlib_error_t e)
+{
+  u32 node_index = nm->node_by_error[e];
+  vlib_node_t *n = nm->nodes[node_index];
+  u32 error_code = e - n->error_heap_index;
+  return error_code;
+}
 
 #define FRAME_QUEUE_MAX_NELTS 64
 typedef struct