mirror of
https://github.com/FUjr/gl-infra-builder.git
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126 lines
3.8 KiB
Diff
126 lines
3.8 KiB
Diff
From 3b2235f8a89b612cef7b311da8e3586a2c191cdf Mon Sep 17 00:00:00 2001
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From: Dongming Han <handongming@gl-inet.com>
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Date: Fri, 15 Jul 2022 10:42:57 +0800
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Subject: [PATCH] ipq40xx: add smp network performance optimization
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source: https://github.com/coolsnowwolf/lede/commit/b93293ef8dde8c0447c01569f968b389bedbbdb1
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---
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.../etc/hotplug.d/net/21_adjust_network | 8 ++
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.../ipq40xx/base-files/lib/adjust_network.sh | 89 +++++++++++++++++++
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2 files changed, 97 insertions(+)
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create mode 100644 target/linux/ipq40xx/base-files/etc/hotplug.d/net/21_adjust_network
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create mode 100644 target/linux/ipq40xx/base-files/lib/adjust_network.sh
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diff --git a/target/linux/ipq40xx/base-files/etc/hotplug.d/net/21_adjust_network b/target/linux/ipq40xx/base-files/etc/hotplug.d/net/21_adjust_network
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new file mode 100644
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index 0000000000..bb4d215b4d
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--- /dev/null
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+++ b/target/linux/ipq40xx/base-files/etc/hotplug.d/net/21_adjust_network
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@@ -0,0 +1,8 @@
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+#!/bin/sh
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+
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+[ -f /lib/adjust_network.sh ] && {
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+ . /lib/adjust_network.sh
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+ adjust_edma_smp_affinity
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+ adjust_radio_smp_affinity
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+ adjust_eth_queue
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+}
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diff --git a/target/linux/ipq40xx/base-files/lib/adjust_network.sh b/target/linux/ipq40xx/base-files/lib/adjust_network.sh
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new file mode 100644
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index 0000000000..99423022c5
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--- /dev/null
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+++ b/target/linux/ipq40xx/base-files/lib/adjust_network.sh
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@@ -0,0 +1,89 @@
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+#!/bin/sh
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+# this scripts is used for adjust cpu's choice of interrupts.
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+#
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+
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+################################################
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+# Adjust smp_affinity of edma
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+# Globals:
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+# None
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+# Arguments:
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+# None
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+# Returns:
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+# None
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+# Remark:
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+# execute only once on start-up.
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+################################################
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+adjust_edma_smp_affinity() {
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+ grep -q edma_eth_ /proc/interrupts || return 0
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+ local nr=`cat /proc/cpuinfo | grep processor | wc -l`
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+ local cpu=0
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+ local tx_irq_num
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+
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+ for tx_num in `seq 0 1 15` ; do
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+ cpu=`printf "%x" $((1<<((tx_num/4+0)%nr)))`
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+ tx_irq_num=`grep -m1 edma_eth_tx$tx_num /proc/interrupts | cut -d ':' -f 1 | tail -n1 | tr -d ' '`
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+ [ -n "$tx_irq_num" ] && echo $cpu > /proc/irq/$tx_irq_num/smp_affinity
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+ done
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+
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+ for rx_num in `seq 0 1 7` ; do
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+ cpu=`printf "%x" $((1<<((rx_num/2)%nr)))`
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+ rx_irq_num=`grep -m1 edma_eth_rx$rx_num /proc/interrupts | cut -d ':' -f 1 | tail -n1 | tr -d ' '`
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+ [ -n "$rx_irq_num" ] && echo $cpu > /proc/irq/$rx_irq_num/smp_affinity
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+ done
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+}
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+
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+################################################
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+# Adjust smp_affinity of ath10k for 2G and 5G
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+# Globals:
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+# None
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+# Arguments:
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+# None
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+# Returns:
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+# None
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+# Remark:
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+# execute only once on start-up.
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+################################################
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+adjust_radio_smp_affinity() {
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+ local irqs="`grep -E 'ath10k' /proc/interrupts | cut -d ':' -f 1 | tr -d ' '`"
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+ local nr=`cat /proc/cpuinfo | grep processor | wc -l`
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+ local idx=2
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+
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+ for irq in $irqs; do
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+ cpu=`printf "%x" $((1<<((idx)%nr)))`
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+ echo $cpu > /proc/irq/$irq/smp_affinity
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+ idx=$((idx+1))
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+ done
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+}
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+
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+################################################
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+# Adjust queue of eth
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+# Globals:
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+# None
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+# Arguments:
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+# None
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+# Returns:
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+# None
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+# Remark:
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+# Each network reboot needs to be executed.
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+################################################
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+adjust_eth_queue() {
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+ local nr=`cat /proc/cpuinfo | grep processor | wc -l`
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+ local idx=0
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+
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+ for epath in /sys/class/net/eth[0-9]*; do
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+ test -e $epath || break
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+ echo $epath | grep -q "\." && continue
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+ eth=`basename $epath`
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+ idx=0
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+ for exps in /sys/class/net/$eth/queues/rx-[0-9]*/rps_cpus; do
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+ test -e $exps || break
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+ cpu=`printf "%x" $((1<<((idx+1)%nr)))`
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+ idx=$((idx+1))
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+ echo $cpu > $exps
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+ echo 256 > `dirname $exps`/rps_flow_cnt
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+ done
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+ which ethtool >/dev/null 2>&1 && ethtool -K $eth gro off
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+ done
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+
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+ echo 1024 > /proc/sys/net/core/rps_sock_flow_entries
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+}
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--
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2.17.1
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