[dpdk-dev] [PATCH v7 5/5] doc: update doc for queue clear API in vhost lib

[Cheng Jiang <cheng1.jiang@intel.com>]

Update the program guide and release notes for virtqueue inflight
packets clear API in vhost lib.

Signed-off-by: Cheng Jiang <cheng1.jiang@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
 doc/guides/prog_guide/vhost_lib.rst    | 5 +++++
 doc/guides/rel_notes/release_21_08.rst | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/doc/guides/prog_guide/vhost_lib.rst b/doc/guides/prog_guide/vhost_lib.rst
index 70ce4974df..8874033165 100644
--- a/doc/guides/prog_guide/vhost_lib.rst
+++ b/doc/guides/prog_guide/vhost_lib.rst
@@ -305,6 +305,11 @@ The following is an overview of some key Vhost API functions:
   This function returns the amount of in-flight packets for the vhost
   queue using async acceleration.
 
+* ``rte_vhost_clear_queue_thread_unsafe(vid, queue_id, **pkts, count)``
+
+  Clear inflight packets which are submitted to DMA engine in vhost async data
+  path. Completed packets are returned to applications through ``pkts``.
+
 Vhost-user Implementations
 --------------------------
 
diff --git a/doc/guides/rel_notes/release_21_08.rst b/doc/guides/rel_notes/release_21_08.rst
index 543e93ff1d..d9c4cc5df0 100644
--- a/doc/guides/rel_notes/release_21_08.rst
+++ b/doc/guides/rel_notes/release_21_08.rst
@@ -155,6 +155,11 @@ New Features
   The experimental PMD power management API now supports managing
   multiple Ethernet Rx queues per lcore.
 
+* **Added inflight packets clear API in vhost library.**
+
+  Added an API which can clear the inflight packets submitted to DMA
+  engine in vhost async data path.
+
 
 Removed Items
 -------------
-- 
2.29.2