VPP-846: tcp perf / scale / hardening

[vpp.git] / src / svm / svm_fifo.h

diff --git a/src/svm/svm_fifo.h b/src/svm/svm_fifo.h
index d67237c..6936916 100644 (file)
--- a/src/svm/svm_fifo.h
+++ b/src/svm/svm_fifo.h
@@ -44,7 +44,7 @@ typedef struct
   u32 nitems;
     CLIB_CACHE_LINE_ALIGN_MARK (end_cursize);
 
-  volatile u8 has_event;       /**< non-zero if deq event exists */
+  volatile u32 has_event;      /**< non-zero if deq event exists */
 
   /* Backpointers */
   u32 master_session_index;
@@ -103,7 +103,7 @@ always_inline void
 svm_fifo_unset_event (svm_fifo_t * f)
 {
   /* Probably doesn't need to be atomic. Still, better avoid surprises */
-  __sync_lock_test_and_set (&f->has_event, 0);
+  __sync_lock_release (&f->has_event);
 }
 
 svm_fifo_t *svm_fifo_create (u32 data_size_in_bytes);
@@ -119,6 +119,7 @@ int svm_fifo_peek (svm_fifo_t * f, u32 offset, u32 max_bytes, u8 * copy_here);
 int svm_fifo_dequeue_drop (svm_fifo_t * f, u32 max_bytes);
 u32 svm_fifo_number_ooo_segments (svm_fifo_t * f);
 ooo_segment_t *svm_fifo_first_ooo_segment (svm_fifo_t * f);
+void svm_fifo_init_pointers (svm_fifo_t * f, u32 pointer);
 
 format_function_t format_svm_fifo;