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link : add support to configure LRO and GRO Offload features 

The patch supports to configure

GenericReceiveOffload
LargeReceiveOffload
This commit is contained in:
Susant Sahani 2016-08-31 12:47:02 +05:30
parent 50725d10e3
commit f7ea90fbba
4 changed files with 22 additions and 0 deletions
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16
man/systemd.link.xml
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@ -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>

2
src/udev/net/ethtool-util.c
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@ -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",
};

2
src/udev/net/ethtool-util.h
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@ -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,

2
src/udev/net/link-config-gperf.gperf
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@ -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])