From 6e555ac3ad260fe35f17e770277cf02d211a25d5 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Mon, 13 Feb 2023 10:32:45 +0100
Subject: [PATCH] bcm53xx: refactor packet steering init
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Replace a standalone init.d script with a platform implementation as
supported by netifd. This avoids a race between netifd and target
specific setups.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
 .../bcm53xx/base-files/etc/init.d/fastnetwork | 44 -------------------
 .../usr/libexec/platform/packet-steering.sh   | 25 +++++++++++
 2 files changed, 25 insertions(+), 44 deletions(-)
 delete mode 100755 target/linux/bcm53xx/base-files/etc/init.d/fastnetwork
 create mode 100755 target/linux/bcm53xx/base-files/usr/libexec/platform/packet-steering.sh

diff --git a/target/linux/bcm53xx/base-files/etc/init.d/fastnetwork b/target/linux/bcm53xx/base-files/etc/init.d/fastnetwork
deleted file mode 100755
index 1999d137073e..000000000000
--- a/target/linux/bcm53xx/base-files/etc/init.d/fastnetwork
+++ /dev/null
@@ -1,44 +0,0 @@
-#!/bin/sh /etc/rc.common
-
-START=25
-USE_PROCD=1
-
-start_service() {
-	reload_service
-}
-
-service_triggers() {
-	procd_add_reload_trigger "network"
-	procd_add_reload_trigger "firewall"
-	procd_add_reload_interface_trigger "lan"
-}
-
-reload_service() {
-	local packet_steering="$(uci -q get network.@globals[0].packet_steering)"
-	local num_cpus="$(grep -c "^processor.*:" /proc/cpuinfo)"
-	local flow_offloading="$(uci -q get firewall.@defaults[0].flow_offloading)"
-	local flow_offloading_hw="$(uci -q get firewall.@defaults[0].flow_offloading_hw)"
-
-	# Any steering on 1 CPU (BCM47081) worsens network performance
-	[ "$num_cpus" != 2 ] && return
-
-	[ "$packet_steering" != 1 ] && {
-		echo 0 > /sys/class/net/br-lan/queues/rx-0/rps_cpus
-		echo 0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
-		return
-	}
-
-	if [ ${flow_offloading_hw:-0} -gt 0 ]; then
-		# HW offloading
-		echo 0 > /sys/class/net/br-lan/queues/rx-0/rps_cpus
-		echo 0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
-	elif [ ${flow_offloading:-0} -gt 0 ]; then
-		# SW offloading
-		# br-lan setup doesn't seem to matter for offloading case
-		echo 2 > /sys/class/net/eth0/queues/rx-0/rps_cpus
-	else
-		# Default
-		echo 2 > /sys/class/net/br-lan/queues/rx-0/rps_cpus
-		echo 0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
-	fi
-}
diff --git a/target/linux/bcm53xx/base-files/usr/libexec/platform/packet-steering.sh b/target/linux/bcm53xx/base-files/usr/libexec/platform/packet-steering.sh
new file mode 100755
index 000000000000..dacd1adc7e0f
--- /dev/null
+++ b/target/linux/bcm53xx/base-files/usr/libexec/platform/packet-steering.sh
@@ -0,0 +1,25 @@
+#!/bin/sh /etc/rc.common
+
+packet_steering="$(uci -q get network.@globals[0].packet_steering)"
+flow_offloading="$(uci -q get firewall.@defaults[0].flow_offloading)"
+flow_offloading_hw="$(uci -q get firewall.@defaults[0].flow_offloading_hw)"
+
+[ "$packet_steering" != 1 ] && {
+	echo 0 > /sys/class/net/br-lan/queues/rx-0/rps_cpus
+	echo 0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
+	exit 0
+}
+
+if [ ${flow_offloading_hw:-0} -gt 0 ]; then
+	# HW offloading
+	echo 0 > /sys/class/net/br-lan/queues/rx-0/rps_cpus
+	echo 0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
+elif [ ${flow_offloading:-0} -gt 0 ]; then
+	# SW offloading
+	# br-lan setup doesn't seem to matter for offloading case
+	echo 2 > /sys/class/net/eth0/queues/rx-0/rps_cpus
+else
+	# Default
+	echo 2 > /sys/class/net/br-lan/queues/rx-0/rps_cpus
+	echo 0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
+fi
-- 
2.30.2