net/hns3: support masking device capability

[dpdk.git] / doc / guides / nics / hns3.rst

diff --git a/doc/guides/nics/hns3.rst b/doc/guides/nics/hns3.rst
index 3366562..fa45721 100644 (file)
--- a/doc/guides/nics/hns3.rst
+++ b/doc/guides/nics/hns3.rst
@@ -1,12 +1,12 @@
 ..  SPDX-License-Identifier: BSD-3-Clause
-    Copyright(c) 2018-2019 Hisilicon Limited.
+    Copyright(c) 2018-2019 HiSilicon Limited.
 
 HNS3 Poll Mode Driver
 ===============================
 
 The hns3 PMD (**librte_net_hns3**) provides poll mode driver support
-for the inbuilt Hisilicon Network Subsystem(HNS) network engine
-found in the Hisilicon Kunpeng 920 SoC.
+for the inbuilt HiSilicon Network Subsystem(HNS) network engine
+found in the HiSilicon Kunpeng 920 SoC and Kunpeng 930 SoC .
 
 Features
 --------
@@ -84,6 +84,15 @@ Runtime Config Options
   be first checked, if meets, use the ``vec``. Then, ``simple``, at last
   ``common``.
 
+- ``dev_caps_mask`` (default ``0``)
+
+  Used to mask the capability which queried from firmware.
+  This args take hexadecimal bitmask where each bit represents whether mask
+  corresponding capability. eg. If the capability is 0xFFFF queried from
+  firmware, and the args value is 0xF which means the bit0~bit3 should be
+  masked off, then the capability will be 0xFFF0.
+  Its main purpose is to debug and avoid problems.
+
 Driver compilation and testing
 ------------------------------