session: optimize ct fifo segment allocations

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

diff --git a/src/svm/fifo_segment.h b/src/svm/fifo_segment.h
index a4290bb..f76798f 100644 (file)
--- a/src/svm/fifo_segment.h
+++ b/src/svm/fifo_segment.h
@@ -38,6 +38,7 @@ typedef enum fifo_segment_flags_
   FIFO_SEGMENT_F_IS_PREALLOCATED = 1 << 0,
   FIFO_SEGMENT_F_WILL_DELETE = 1 << 1,
   FIFO_SEGMENT_F_MEM_LIMIT = 1 << 2,
+  FIFO_SEGMENT_F_CUSTOM_USE = 1 << 3,
 } fifo_segment_flags_t;
 
 #define foreach_segment_mem_status     \
@@ -132,6 +133,7 @@ svm_fifo_t *fifo_segment_alloc_fifo_w_slice (fifo_segment_t * fs,
                                             fifo_segment_ftype_t ftype);
 svm_fifo_t *fifo_segment_alloc_fifo_w_offset (fifo_segment_t *fs,
                                              uword offset);
+svm_fifo_t *fifo_segment_duplicate_fifo (fifo_segment_t *fs, svm_fifo_t *f);
 
 /**
  * Free fifo allocated in fifo segment