session: update fifo slice on session migration
[vpp.git] / src / vnet / session / segment_manager.h
index cad9550..13b1fff 100644 (file)
@@ -19,6 +19,7 @@
 #include <vppinfra/lock.h>
 #include <vppinfra/valloc.h>
 #include <svm/fifo_segment.h>
+#include <vnet/session/session_types.h>
 
 typedef struct _segment_manager_props
 {
@@ -34,8 +35,10 @@ typedef struct _segment_manager_props
   u8 n_slices;                         /**< number of fs slices/threads */
   ssvm_segment_type_t segment_type;    /**< seg type: if set to SSVM_N_TYPES,
                                             private segments are used */
+  u32 max_fifo_size;                   /**< max fifo size */
   u8 high_watermark;                   /**< memory usage high watermark % */
   u8 low_watermark;                    /**< memory usage low watermark % */
+  u8 pct_first_alloc;                  /**< pct of fifo size to alloc */
 } segment_manager_props_t;
 
 typedef struct _segment_manager
@@ -61,6 +64,7 @@ typedef struct _segment_manager
    */
   svm_msg_q_t *event_queue;
 
+  u32 max_fifo_size;
   u8 high_watermark;
   u8 low_watermark;
 } segment_manager_t;
@@ -121,6 +125,9 @@ int segment_manager_try_alloc_fifos (fifo_segment_t * fs,
                                     svm_fifo_t ** tx_fifo);
 void segment_manager_dealloc_fifos (svm_fifo_t * rx_fifo,
                                    svm_fifo_t * tx_fifo);
+void segment_manager_detach_fifo (segment_manager_t * sm, svm_fifo_t * f);
+void segment_manager_attach_fifo (segment_manager_t * sm, svm_fifo_t * f,
+                                 session_t * s);
 
 void segment_manager_set_watermarks (segment_manager_t * sm,
                                     u8 high_watermark, u8 low_watermark);