From: Susant Sahani <susant@redhat.com>
Date: Wed, 31 Aug 2016 07:17:02 +0000 (+0530)
Subject: link : add support to configure LRO and GRO Offload features
X-Git-Tag: v232~245^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f7ea90fbba95618e75371e98cf513957ff433de7;p=thirdparty%2Fsystemd.git

link : add support to configure LRO and GRO Offload features

The patch supports to configure

GenericReceiveOffload
LargeReceiveOffload
---

diff --git a/man/systemd.link.xml b/man/systemd.link.xml
index 313e4a4aa3b..10fddeced0f 100644
--- a/man/systemd.link.xml
+++ b/man/systemd.link.xml
@@ -411,6 +411,22 @@
           Defaults to "unset".</para>
         </listitem>
       </varlistentry>
+    <varlistentry>
+        <term><varname>GenericReceiveOffload=</varname></term>
+        <listitem>
+          <para>The Generic Receive Offload (GRO) when true enables
+          generic receive offload. Takes a boolean value.
+          Defaults to "unset".</para>
+        </listitem>
+      </varlistentry>
+      <varlistentry>
+        <term><varname>LargeReceiveOffload=</varname></term>
+        <listitem>
+          <para>The Large Receive Offload (LRO) when true enables
+          large receive offload. Takes a boolean value.
+          Defaults to "unset".</para>
+        </listitem>
+      </varlistentry>
     </variablelist>
   </refsect1>
 
diff --git a/src/udev/net/ethtool-util.c b/src/udev/net/ethtool-util.c
index 5143eb5a9d4..19c69a98b19 100644
--- a/src/udev/net/ethtool-util.c
+++ b/src/udev/net/ethtool-util.c
@@ -48,6 +48,8 @@ DEFINE_CONFIG_PARSE_ENUM(config_parse_wol, wol, WakeOnLan, "Failed to parse Wake
 
 static const char* const netdev_feature_table[_NET_DEV_FEAT_MAX] = {
         [NET_DEV_FEAT_GSO] = "tx-generic-segmentation",
+        [NET_DEV_FEAT_GRO] = "rx-gro",
+        [NET_DEV_FEAT_LRO] = "rx-lro",
         [NET_DEV_FEAT_TSO] = "tx-tcp-segmentation",
         [NET_DEV_FEAT_UFO] = "tx-udp-fragmentation",
 };
diff --git a/src/udev/net/ethtool-util.h b/src/udev/net/ethtool-util.h
index 2b5b9fbd1a2..07441646538 100644
--- a/src/udev/net/ethtool-util.h
+++ b/src/udev/net/ethtool-util.h
@@ -40,6 +40,8 @@ typedef enum WakeOnLan {
 
 typedef enum NetDevFeature {
         NET_DEV_FEAT_GSO,
+        NET_DEV_FEAT_GRO,
+        NET_DEV_FEAT_LRO,
         NET_DEV_FEAT_TSO,
         NET_DEV_FEAT_UFO,
         _NET_DEV_FEAT_MAX,
diff --git a/src/udev/net/link-config-gperf.gperf b/src/udev/net/link-config-gperf.gperf
index 5c57a0cb94a..f8b85cbd13a 100644
--- a/src/udev/net/link-config-gperf.gperf
+++ b/src/udev/net/link-config-gperf.gperf
@@ -38,3 +38,5 @@ Link.WakeOnLan,                  config_parse_wol,           0,
 Link.GenericSegmentationOffload, config_parse_tristate,      0,                             offsetof(link_config, features[NET_DEV_FEAT_GSO])
 Link.TCPSegmentationOffload,     config_parse_tristate,      0,                             offsetof(link_config, features[NET_DEV_FEAT_TSO])
 Link.UDPSegmentationOffload,     config_parse_tristate,      0,                             offsetof(link_config, features[NET_DEV_FEAT_UFO])
+Link.GenericReceiveOffload,      config_parse_tristate,      0,                             offsetof(link_config, features[NET_DEV_FEAT_GRO])
+Link.LargeReceiveOffload,        config_parse_tristate,      0,                             offsetof(link_config, features[NET_DEV_FEAT_LRO])