Thread safe internal buffer manager, take two
First attempt to make internal buffer manager thread safe was not
succesfull, so trying again. This time with more testing.
Change-Id: I01b8385a9c26d233934a3339255ea4bd31c865ac
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vlib/buffer.h b/src/vlib/buffer.h
index 9047ca9..5504bf7 100644
--- a/src/vlib/buffer.h
+++ b/src/vlib/buffer.h
@@ -350,6 +350,12 @@
/* Vector of free buffers. Each element is a byte offset into I/O heap. */
u32 *buffers;
+ /* global vector of free buffers, used only on main thread.
+ Bufers are returned to global buffers only in case when number of
+ buffers on free buffers list grows about threshold */
+ u32 *global_buffers;
+ clib_spinlock_t global_buffers_lock;
+
/* Memory chunks allocated for this free list
recorded here so they can be freed when free list
is deleted. */