diff --git a/root/target/linux/ipq40xx/base-files/etc/init.d/adjust_network b/root/target/linux/ipq40xx/base-files/etc/init.d/adjust_network new file mode 100755 index 00000000..02af8198 --- /dev/null +++ b/root/target/linux/ipq40xx/base-files/etc/init.d/adjust_network @@ -0,0 +1,19 @@ +#!/bin/sh /etc/rc.common +# Copyright (C) 2006-2011 OpenWrt.org + +START=11 +STOP=98 + +adjust_smp_affinity() { + test -f /lib/adjust_network.sh && { + . /lib/adjust_network.sh + + adjust_eth_queue + adjust_edma_smp_affinity + adjust_radio_smp_affinity + } +} + +boot() { + adjust_smp_affinity +} diff --git a/root/target/linux/ipq40xx/base-files/etc/init.d/set-irq-affinity b/root/target/linux/ipq40xx/base-files/etc/init.d/set-irq-affinity deleted file mode 100755 index 910f661b..00000000 --- a/root/target/linux/ipq40xx/base-files/etc/init.d/set-irq-affinity +++ /dev/null @@ -1,22 +0,0 @@ -#!/bin/sh /etc/rc.common - -START=99 - -start() { - mask=4 - for rps in /sys/class/net/eth0/queues/rx-* - do - echo "$mask" > "$rps/rps_cpus" - done - for irq in $(grep -F "ath10k_ahb" /proc/interrupts | cut -d: -f1 | sed 's, *,,') - do - echo "$mask" > "/proc/irq/$irq/smp_affinity" - mask=8 - done - - mask=2 - for irq in $(grep -F "edma_eth_rx" /proc/interrupts | cut -d: -f1 | sed 's, *,,') - do - echo "$mask" > "/proc/irq/$irq/smp_affinity" - done -} \ No newline at end of file diff --git a/root/target/linux/ipq40xx/base-files/lib/adjust_network.sh b/root/target/linux/ipq40xx/base-files/lib/adjust_network.sh new file mode 100644 index 00000000..99423022 --- /dev/null +++ b/root/target/linux/ipq40xx/base-files/lib/adjust_network.sh @@ -0,0 +1,89 @@ +#!/bin/sh +# this scripts is used for adjust cpu's choice of interrupts. +# + +################################################ +# Adjust smp_affinity of edma +# Globals: +# None +# Arguments: +# None +# Returns: +# None +# Remark: +# execute only once on start-up. +################################################ +adjust_edma_smp_affinity() { + grep -q edma_eth_ /proc/interrupts || return 0 + local nr=`cat /proc/cpuinfo | grep processor | wc -l` + local cpu=0 + local tx_irq_num + + for tx_num in `seq 0 1 15` ; do + cpu=`printf "%x" $((1<<((tx_num/4+0)%nr)))` + tx_irq_num=`grep -m1 edma_eth_tx$tx_num /proc/interrupts | cut -d ':' -f 1 | tail -n1 | tr -d ' '` + [ -n "$tx_irq_num" ] && echo $cpu > /proc/irq/$tx_irq_num/smp_affinity + done + + for rx_num in `seq 0 1 7` ; do + cpu=`printf "%x" $((1<<((rx_num/2)%nr)))` + rx_irq_num=`grep -m1 edma_eth_rx$rx_num /proc/interrupts | cut -d ':' -f 1 | tail -n1 | tr -d ' '` + [ -n "$rx_irq_num" ] && echo $cpu > /proc/irq/$rx_irq_num/smp_affinity + done +} + +################################################ +# Adjust smp_affinity of ath10k for 2G and 5G +# Globals: +# None +# Arguments: +# None +# Returns: +# None +# Remark: +# execute only once on start-up. +################################################ +adjust_radio_smp_affinity() { + local irqs="`grep -E 'ath10k' /proc/interrupts | cut -d ':' -f 1 | tr -d ' '`" + local nr=`cat /proc/cpuinfo | grep processor | wc -l` + local idx=2 + + for irq in $irqs; do + cpu=`printf "%x" $((1<<((idx)%nr)))` + echo $cpu > /proc/irq/$irq/smp_affinity + idx=$((idx+1)) + done +} + +################################################ +# Adjust queue of eth +# Globals: +# None +# Arguments: +# None +# Returns: +# None +# Remark: +# Each network reboot needs to be executed. +################################################ +adjust_eth_queue() { + local nr=`cat /proc/cpuinfo | grep processor | wc -l` + local idx=0 + + for epath in /sys/class/net/eth[0-9]*; do + test -e $epath || break + echo $epath | grep -q "\." && continue + eth=`basename $epath` + idx=0 + for exps in /sys/class/net/$eth/queues/rx-[0-9]*/rps_cpus; do + test -e $exps || break + cpu=`printf "%x" $((1<<((idx+1)%nr)))` + idx=$((idx+1)) + echo $cpu > $exps + echo 256 > `dirname $exps`/rps_flow_cnt + done + which ethtool >/dev/null 2>&1 && ethtool -K $eth gro off + done + + echo 1024 > /proc/sys/net/core/rps_sock_flow_entries +}