[dpdk-dev,v9,06/20] doc: add ethtool library documentation

diff --git a/doc/api/doxy-api-index.md b/doc/api/doxy-api-index.md
index f5f1f199f..71350849f 100644
--- a/doc/api/doxy-api-index.md
+++ b/doc/api/doxy-api-index.md
@@ -161,4 +161,5 @@  There are many libraries, so their headers may be grouped by topics:
   [device metrics]     (@ref rte_metrics.h),
   [bitrate statistics] (@ref rte_bitrate.h),
   [latency statistics] (@ref rte_latencystats.h),
-  [version]            (@ref rte_version.h)
+  [version]            (@ref rte_version.h),
+  [ethtool]            (@ref rte_ethtool.h)
diff --git a/doc/api/doxy-api.conf b/doc/api/doxy-api.conf
index ca9194fe0..b66e86541 100644
--- a/doc/api/doxy-api.conf
+++ b/doc/api/doxy-api.conf
@@ -45,6 +45,7 @@  INPUT                   = doc/api/doxy-api-index.md \
                           lib/librte_distributor \
                           lib/librte_efd \
                           lib/librte_ether \
+                          lib/librte_ethtool \
                           lib/librte_eventdev \
                           lib/librte_hash \
                           lib/librte_ip_frag \
diff --git a/doc/guides/prog_guide/ethtool_lib.rst b/doc/guides/prog_guide/ethtool_lib.rst
new file mode 100644
index 000000000..a667bcfe3
--- /dev/null
+++ b/doc/guides/prog_guide/ethtool_lib.rst
@@ -0,0 +1,62 @@ 
+..  BSD LICENSE
+    Copyright(c) 2017 Intel Corporation. All rights reserved.
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    * Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in
+    the documentation and/or other materials provided with the
+    distribution.
+    * Neither the name of Intel Corporation nor the names of its
+    contributors may be used to endorse or promote products derived
+    from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+    OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+.. _Ethtool_Library:
+
+Ethtool Library
+===============
+
+Ethtool interface
+-----------------
+
+The Ethtool interface is built as a separate library, and implements
+the following functions:
+
+- ``rte_ethtool_get_drvinfo()``
+- ``rte_ethtool_get_regs_len()``
+- ``rte_ethtool_get_regs()``
+- ``rte_ethtool_get_link()``
+- ``rte_ethtool_get_eeprom_len()``
+- ``rte_ethtool_get_eeprom()``
+- ``rte_ethtool_set_eeprom()``
+- ``rte_ethtool_get_pauseparam()``
+- ``rte_ethtool_set_pauseparam()``
+- ``rte_ethtool_net_open()``
+- ``rte_ethtool_net_stop()``
+- ``rte_ethtool_net_get_mac_addr()``
+- ``rte_ethtool_net_set_mac_addr()``
+- ``rte_ethtool_net_validate_addr()``
+- ``rte_ethtool_net_change_mtu()``
+- ``rte_ethtool_net_get_stats64()``
+- ``rte_ethtool_net_vlan_rx_add_vid()``
+- ``rte_ethtool_net_vlan_rx_kill_vid()``
+- ``rte_ethtool_net_set_rx_mode()``
+- ``rte_ethtool_get_ringparam()``
+- ``rte_ethtool_set_ringparam()``
diff --git a/doc/guides/prog_guide/index.rst b/doc/guides/prog_guide/index.rst
index ef5a02ad5..54f9538ea 100644
--- a/doc/guides/prog_guide/index.rst
+++ b/doc/guides/prog_guide/index.rst
@@ -54,6 +54,7 @@  Programmer's Guide
     reorder_lib
     ip_fragment_reassembly_lib
     pdump_lib
+    ethtool_lib
     multi_proc_support
     kernel_nic_interface
     thread_safety_dpdk_functions
diff --git a/doc/guides/rel_notes/release_17_08.rst b/doc/guides/rel_notes/release_17_08.rst
index dbe1ee906..423877f49 100644
--- a/doc/guides/rel_notes/release_17_08.rst
+++ b/doc/guides/rel_notes/release_17_08.rst
@@ -75,6 +75,11 @@  New Features
 
   Added support for firmwares with multiple Ethernet ports per physical port.
 
+* **Added ethtool library.**
+
+  Ethtool library is wrapper for ethdev library and provides APIs to get data
+  similar to Linux ethtool provides.
+
 
 Resolved Issues
 ---------------