initial tle_dring implementation

The Dynamic Ring (dring) is a implementation of unbounded FIFO queue,
that supports lockless bulk enqueue/dequeue for multiple producers/consumers.
Internally it contains producer/consumer head/tail indexes
(same as DPDK rte_ring), plus linked list of Dynamic Ring Blocks (drb)s.
Each drb contains some metadata plus array of pointers to queued objects.
It is a caller responsibility to provide sufficient number of drbs for
enqueue operation, and manage unused drbs returned by dequeue operation.
dring features:
- FIFO (First In First Out)
- Lockless implementation.
- Multi- or single-consumer dequeue.
- Multi- or single-producer enqueue.
- Bulk dequeue.
- Bulk enqueue.

Change-Id: I3621c99c6b114a387036a397e79baa8d1588bdb5
Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index c22527c..072b466 100644
--- a/Makefile
+++ b/Makefile
@@ -26,6 +26,7 @@ RTE_TARGET ?= x86_64-native-linuxapp-gcc
 
 DIRS-y += lib
 DIRS-y += examples
+DIRS-y += test
 
 MAKEFLAGS += --no-print-directory