svm: fifo segment support for chunk allocation

[vpp.git] / src / vnet / session / segment_manager.h

diff --git a/src/vnet/session/segment_manager.h b/src/vnet/session/segment_manager.h
index 4f30b7a..cbf8e35 100644 (file)
--- a/src/vnet/session/segment_manager.h
+++ b/src/vnet/session/segment_manager.h
@@ -94,7 +94,7 @@ void segment_manager_del_segment (segment_manager_t * sm,
 fifo_segment_t *segment_manager_get_segment (segment_manager_t * sm,
                                             u32 segment_index);
 fifo_segment_t *segment_manager_get_segment_w_handle (u64 sh);
-fifo_segment_t *segment_manager_get_segment_w_lock (segment_manager_t *,
+fifo_segment_t *segment_manager_get_segment_w_lock (segment_manager_t * sm,
                                                    u32 segment_index);
 int segment_manager_add_first_segment (segment_manager_t * sm,
                                       u32 segment_size);
@@ -114,6 +114,17 @@ 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);
+
+/**
+ * Grows fifo owned by segment manager
+ *
+ * @param sm   segment manager that owns the fifo
+ * @param f    fifo to be grown
+ * @param size amount of bytes to add to fifo
+ * @return     0 on success, negative number otherwise
+ */
+int segment_manager_grow_fifo (segment_manager_t * sm, svm_fifo_t * f,
+                              u32 size);
 u8 segment_manager_has_fifos (segment_manager_t * sm);
 
 svm_msg_q_t *segment_manager_alloc_queue (fifo_segment_t * fs,