From f953b24893d57f6a5f379385edc0b3ceffe15bbb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jaroslav=20=C5=A0karvada?= <jskarvad@redhat.com>
Date: Mon, 15 Jun 2026 17:00:54 +0200
Subject: [PATCH] net: added more coalescing options, filter out unsupported
 ones

  resolves: RHEL-181668
---
 tuned-2.27.0-net-coalescing-fix.patch | 73 +++++++++++++++++++++++++++
 tuned.spec                            |  8 ++-
 2 files changed, 80 insertions(+), 1 deletion(-)
 create mode 100644 tuned-2.27.0-net-coalescing-fix.patch

diff --git a/tuned-2.27.0-net-coalescing-fix.patch b/tuned-2.27.0-net-coalescing-fix.patch
new file mode 100644
index 0000000..c263b2c
--- /dev/null
+++ b/tuned-2.27.0-net-coalescing-fix.patch
@@ -0,0 +1,73 @@
+From f5cfd2a72263ebf1c868fa75afd6d6e085e10e50 Mon Sep 17 00:00:00 2001
+From: Fothsid <18036123+Fothsid@users.noreply.github.com>
+Date: Wed, 22 Apr 2026 16:01:23 +0200
+Subject: [PATCH] net: add more coalescing options, filter out unsupported ones
+
+Ethtool's tx-aggr-* parameters were not known to tuned.
+
+In addition to adding those, checking logic is changed to
+filter out unknown parameters supported by ethtool instead
+of simply failing to set any options.
+
+Resolves: RHEL-152675
+---
+ tuned/plugins/plugin_net.py | 20 +++++++++-----------
+ 1 file changed, 9 insertions(+), 11 deletions(-)
+
+diff --git a/tuned/plugins/plugin_net.py b/tuned/plugins/plugin_net.py
+index 6d291b291..31b30f5df 100644
+--- a/tuned/plugins/plugin_net.py
++++ b/tuned/plugins/plugin_net.py
+@@ -332,7 +332,10 @@ def _get_config_options_coalesce(cls):
+ 			"rx-frames-high": None,
+ 			"tx-usecs-high": None,
+ 			"tx-frames-high": None,
+-			"sample-interval": None
++			"sample-interval": None,
++			"tx-aggr-max-bytes": None,
++			"tx-aggr-max-frames": None,
++			"tx-aggr-time-usecs": None
+ 			}
+ 
+ 	@classmethod
+@@ -615,7 +618,7 @@ def _get_mtu(self, device, instance, ignore_missing=False):
+ 	# d is dict: {parameter: value}
+ 	def _check_parameters(self, context, d):
+ 		if context == "features":
+-			return True
++			return d
+ 		params = set(d.keys())
+ 		supported_getter = { "coalesce": self._get_config_options_coalesce, \
+ 				"pause": self._get_config_options_pause, \
+@@ -623,9 +626,8 @@ def _check_parameters(self, context, d):
+ 				"channels": self._get_config_options_channels }
+ 		supported = set(supported_getter[context]().keys())
+ 		if not params.issubset(supported):
+-			log.error("unknown %s parameter(s): %s" % (context, str(params - supported)))
+-			return False
+-		return True
++			log.warning("ignoring unknown %s parameter(s): %s" % (context, str(params - supported)))
++		return {k: v for k, v in d.items() if k in supported}
+ 
+ 	# parse output of ethtool -a
+ 	def _parse_pause_parameters(self, s):
+@@ -712,17 +714,13 @@ def _get_device_parameters(self, instance, context, device):
+ 				"channels": self._parse_channels_parameters }
+ 		parser = context2parser[context]
+ 		d = parser(value)
+-		if context == "coalesce" and not self._check_parameters(context, d):
+-			return None
+-		return d
++		return self._check_parameters(context, d)
+ 
+ 	def _set_device_parameters(self, instance, context, value, device, sim,
+ 				dev_params = None):
+ 		if value is None or len(value) == 0:
+ 			return None
+-		d = self._parse_config_parameters(value, context)
+-		if d is None or not self._check_parameters(context, d):
+-			return {}
++		d = self._check_parameters(context, self._parse_config_parameters(value, context))
+ 		# check if device supports parameters and filter out unsupported ones
+ 		if dev_params:
+ 			self._check_device_support(instance, context, d, device, dev_params)
diff --git a/tuned.spec b/tuned.spec
index 819f340..771e753 100644
--- a/tuned.spec
+++ b/tuned.spec
@@ -43,7 +43,7 @@
 Summary: A dynamic adaptive system tuning daemon
 Name: tuned
 Version: 2.27.0
-Release: 1%{?prerel1}%{?dist}
+Release: 2%{?prerel1}%{?dist}
 License: GPLv2+
 Source0: https://github.com/redhat-performance/%{name}/archive/v%{version}%{?prerel2}/%{name}-%{version}%{?prerel2}.tar.gz
 # RHEL-9 specific recommend.conf:
@@ -122,6 +122,8 @@ Requires: python3-syspurpose
 Patch: tuned-2.25.0-revert-profile-migration.patch
 # Revert not yet RHEL approved tuning
 Patch: tuned-2.27.0-openshift-revert.patch
+# https://github.com/redhat-performance/tuned/pull/852
+Patch: tuned-2.27.0-net-coalescing-fix.patch
 
 %description
 The tuned package contains a daemon that tunes system settings dynamically.
@@ -640,6 +642,10 @@ fi
 %config(noreplace) %{_sysconfdir}/tuned/ppd.conf
 
 %changelog
+* Mon Jun 15 2026 Jaroslav Škarvada <jskarvad@redhat.com> - 2.27.0-2
+- net: added more coalescing options, filter out unsupported ones
+  resolves: RHEL-181668
+
 * Sun Feb 22 2026 Jaroslav Škarvada <jskarvad@redhat.com> - 2.27.0-1
 - new release
   - rebased tuned to latest upstream