From 0e5c20b7a4f47fd3f8edbc2735810ea3513360bb Mon Sep 17 00:00:00 2001
From: Daan De Meyer <daan.j.demeyer@gmail.com>
Date: Thu, 19 Aug 2021 13:44:35 +0100
Subject: [PATCH] link: Add support for rx-gro-hw nic feature
---
man/systemd.link.xml | 7 +++++++
src/shared/ethtool-util.c | 15 ++++++++-------
src/shared/ethtool-util.h | 1 +
src/udev/net/link-config-gperf.gperf | 1 +
test/fuzz/fuzz-link-parser/directives.link | 1 +
5 files changed, 18 insertions(+), 7 deletions(-)
diff --git a/man/systemd.link.xml b/man/systemd.link.xml
index 6d8dcb9af7..638a1522cd 100644
--- a/man/systemd.link.xml
+++ b/man/systemd.link.xml
@@ -701,6 +701,13 @@
When unset, the kernel's default will be used.</para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>GenericReceiveOffloadHardware=</varname></term>
+ <listitem>
+ <para>Takes a boolean. If set to true, hardware accelerated Generic Receive Offload (GRO) is
+ enabled. When unset, the kernel's default will be used.</para>
+ </listitem>
+ </varlistentry>
<varlistentry>
<term><varname>LargeReceiveOffload=</varname></term>
<listitem>
diff --git a/src/shared/ethtool-util.c b/src/shared/ethtool-util.c
index f7f553dd29..a08bb2b7f5 100644
--- a/src/shared/ethtool-util.c
+++ b/src/shared/ethtool-util.c
@@ -70,13 +70,14 @@ DEFINE_STRING_TABLE_LOOKUP(port, NetDevPort);
DEFINE_CONFIG_PARSE_ENUM(config_parse_port, port, NetDevPort, "Failed to parse Port setting");
static const char* const netdev_feature_table[_NET_DEV_FEAT_MAX] = {
- [NET_DEV_FEAT_RX] = "rx-checksum",
- [NET_DEV_FEAT_TX] = "tx-checksum-", /* The suffix "-" means any feature beginning with "tx-checksum-" */
- [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_TSO6] = "tx-tcp6-segmentation",
+ [NET_DEV_FEAT_RX] = "rx-checksum",
+ [NET_DEV_FEAT_TX] = "tx-checksum-", /* The suffix "-" means any feature beginning with "tx-checksum-" */
+ [NET_DEV_FEAT_GSO] = "tx-generic-segmentation",
+ [NET_DEV_FEAT_GRO] = "rx-gro",
+ [NET_DEV_FEAT_GRO_HW] = "rx-gro-hw",
+ [NET_DEV_FEAT_LRO] = "rx-lro",
+ [NET_DEV_FEAT_TSO] = "tx-tcp-segmentation",
+ [NET_DEV_FEAT_TSO6] = "tx-tcp6-segmentation",
};
static const char* const ethtool_link_mode_bit_table[] = {
diff --git a/src/shared/ethtool-util.h b/src/shared/ethtool-util.h
index bb0333775c..2181ab6fd6 100644
--- a/src/shared/ethtool-util.h
+++ b/src/shared/ethtool-util.h
@@ -23,6 +23,7 @@ typedef enum NetDevFeature {
NET_DEV_FEAT_TX,
NET_DEV_FEAT_GSO,
NET_DEV_FEAT_GRO,
+ NET_DEV_FEAT_GRO_HW,
NET_DEV_FEAT_LRO,
NET_DEV_FEAT_TSO,
NET_DEV_FEAT_TSO6,
diff --git a/src/udev/net/link-config-gperf.gperf b/src/udev/net/link-config-gperf.gperf
index f800de8386..44b46cb17c 100644
--- a/src/udev/net/link-config-gperf.gperf
+++ b/src/udev/net/link-config-gperf.gperf
@@ -57,6 +57,7 @@ Link.TCPSegmentationOffload, config_parse_tristate,
Link.TCP6SegmentationOffload, config_parse_tristate, 0, offsetof(LinkConfig, features[NET_DEV_FEAT_TSO6])
Link.UDPSegmentationOffload, config_parse_warn_compat, DISABLED_LEGACY, 0
Link.GenericReceiveOffload, config_parse_tristate, 0, offsetof(LinkConfig, features[NET_DEV_FEAT_GRO])
+Link.GenericReceiveOffloadHardware, config_parse_tristate, 0, offsetof(LinkConfig, features[NET_DEV_FEAT_GRO_HW])
Link.LargeReceiveOffload, config_parse_tristate, 0, offsetof(LinkConfig, features[NET_DEV_FEAT_LRO])
Link.RxChannels, config_parse_ring_buffer_or_channel, 0, offsetof(LinkConfig, channels.rx)
Link.TxChannels, config_parse_ring_buffer_or_channel, 0, offsetof(LinkConfig, channels.tx)
diff --git a/test/fuzz/fuzz-link-parser/directives.link b/test/fuzz/fuzz-link-parser/directives.link
index 5f232ce698..b5cffb1a27 100644
--- a/test/fuzz/fuzz-link-parser/directives.link
+++ b/test/fuzz/fuzz-link-parser/directives.link
@@ -36,6 +36,7 @@ TCPSegmentationOffload=
TCP6SegmentationOffload=
UDPSegmentationOffload=
GenericReceiveOffload=
+GenericReceiveOffloadHardware=
LargeReceiveOffload=
RxChannels=
TxChannels=
--
2.31.1