X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvlib%2Fcounter.h;h=04ab83769cce163eacb860e858f9317731594749;hb=ddba67054a587c9c8c504b2b115530b6cff89cbe;hp=7c9094727e2e2a003b5c458b4c91001654cee7a4;hpb=a568a19b2956ed8b94b11c2ef041412473dc8442;p=vpp.git

diff --git a/src/vlib/counter.h b/src/vlib/counter.h
index 7c9094727e2..04ab83769cc 100644
--- a/src/vlib/counter.h
+++ b/src/vlib/counter.h
@@ -84,6 +84,25 @@ vlib_increment_simple_counter (vlib_simple_counter_main_t * cm,
   my_counters[index] += increment;
 }
 
+/** Decrement a simple counter
+    @param cm - (vlib_simple_counter_main_t *) simple counter main pointer
+    @param thread_index - (u32) the current cpu index
+    @param index - (u32) index of the counter to increment
+    @param increment - (u64) quantitiy remove from the counter value
+*/
+always_inline void
+vlib_decrement_simple_counter (vlib_simple_counter_main_t * cm,
+			       u32 thread_index, u32 index, u64 decrement)
+{
+  counter_t *my_counters;
+
+  my_counters = cm->counters[thread_index];
+
+  ASSERT (my_counters[index] >= decrement);
+
+  my_counters[index] -= decrement;
+}
+
 /** Set a simple counter
     @param cm - (vlib_simple_counter_main_t *) simple counter main pointer
     @param thread_index - (u32) the current cpu index
@@ -314,6 +333,9 @@ void vlib_free_simple_counter (vlib_simple_counter_main_t * cm);
 
 void vlib_validate_combined_counter (vlib_combined_counter_main_t * cm,
 				     u32 index);
+int vlib_validate_combined_counter_will_expand
+  (vlib_combined_counter_main_t * cm, u32 index);
+
 void vlib_free_combined_counter (vlib_combined_counter_main_t * cm);
 
 /** Obtain the number of simple or combined counters allocated.