Improve the svm fifo allocator

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

diff --git a/src/svm/svm_fifo_segment.h b/src/svm/svm_fifo_segment.h
index a7a3f46..68bb4d3 100644 (file)
--- a/src/svm/svm_fifo_segment.h
+++ b/src/svm/svm_fifo_segment.h
@@ -27,11 +27,15 @@ typedef enum
   FIFO_SEGMENT_N_FREELISTS
 } svm_fifo_segment_freelist_t;
 
+#define FIFO_SEGMENT_MIN_FIFO_SIZE 2048
+#define FIFO_SEGMENT_MAX_FIFO_SIZE (8<<20)     /* 8mb max fifo size */
+#define FIFO_SEGMENT_ALLOC_CHUNK_SIZE 32       /* allocation quantum */
+
 typedef struct
 {
   svm_fifo_t *fifos;           /**< Linked list of active RX fifos */
   u8 *segment_name;            /**< Segment name */
-  svm_fifo_t *free_fifos[FIFO_SEGMENT_N_FREELISTS];    /**< Free lists */
+  svm_fifo_t **free_fifos;     /**< Freelists, by fifo size  */
 } svm_fifo_segment_header_t;
 
 typedef struct