升级中断ipq

root/target/linux/ipq40xx/base-files/etc/init.d/adjust_network

@@ -1,19 +1,205 @@
 #!/bin/sh /etc/rc.common
 # Copyright (C) 2006-2011 OpenWrt.org
 
-START=11
+START=99
 STOP=98
 
-adjust_smp_affinity() {
-	test -f /lib/adjust_network.sh && {
-		. /lib/adjust_network.sh
+rps_flow_cnt=4096
+core_count=$(grep -c processor /proc/cpuinfo)
+rps_sock_flow_ent=`expr $core_count \* $rps_flow_cnt`
+queue_cores="0 1 2"
+queue_irq_cores="1 2"
+wifi_core="3"
+usb_core="0"
 
-		adjust_eth_queue
-		adjust_edma_smp_affinity
-		adjust_radio_smp_affinity
-	}
+############### util functions ###############
+
+to_hex_list() {
+	local cores=$1
+	local converted=""
+	for core in $(echo $cores | awk '{print}')
+	do
+		local hex="$(gen_hex_mask "$core")"
+		converted="$converted $hex"
+	done
+	echo `echo $converted | sed 's/^ *//'`
 }
 
-boot() {
-	adjust_smp_affinity
+gen_hex_mask() {
+	local cores=$1
+	local mask=0
+	for core in $(echo $cores | awk '{print}')
+	do
+		local bit="$((1 << $core))"
+		let "mask = mask + bit"
+	done
+	local hex="$(printf %x "$mask")"
+	echo "$hex"
+}
+
+val_at_index() {
+	local values=$1
+	local idx=$2
+	echo `echo $values | awk -v i=$idx '{print $i}'`
+}
+
+size_of_list() {
+	local list=$1
+	local spaces=`echo $list | grep -o ' ' | wc -l`
+	echo `expr $spaces + 1`
+}
+
+set_core_mask() {
+	local file=$1
+	local cores=$2
+	local mask="$(gen_hex_mask "$cores")"
+	echo $mask > $file
+}
+
+set_core_mask_round() {
+	local files=$1
+	local cores=$2
+	local step_size=$3
+	[ ! -n "$3" ] && step_size=1
+	
+	local core_count="$(size_of_list "$cores")"
+	local counter=0
+	local idx=1
+	local roof=`expr $core_count \* $step_size`
+	for file in $(echo $files | awk '{print}')
+	do
+		let "idx = counter / step_size + 1"
+		local core="$(val_at_index "$cores" $idx)"
+		set_core_mask $file $core
+		let "counter = counter + 1"
+		[ $counter -ge $roof ] && counter=0
+	done
+}
+
+############### assign network queues ###############
+
+set_interface_round() {
+	local interface=$1
+	local cores=$2
+	local step_size=$3
+	[ ! -n "$3" ] && step_size=1
+	
+	echo "using round mask for interface: $interface, step size: $step_size"
+	set_core_mask_round "$(ls /sys/class/net/$interface/queues/tx-*/xps_cpus)" "$cores" $step_size
+	set_core_mask_round "$(ls /sys/class/net/$interface/queues/rx-*/rps_cpus)" "$cores" $step_size
+	
+	for file in /sys/class/net/$interface/queues/rx-[0-9]*/rps_flow_cnt
+	do
+		echo $rps_flow_cnt > $file
+	done
+}
+
+set_interface() {
+	local interface=$1
+	local cores=$2
+	
+	echo "using cores: $cores for interface: $interface"
+	
+	for file in /sys/class/net/$interface/queues/rx-[0-9]*/rps_cpus
+	do
+		set_core_mask $file "$cores"
+		echo $rps_flow_cnt > `dirname $file`/rps_flow_cnt
+	done
+
+	for file in /sys/class/net/$interface/queues/tx-[0-9]*/xps_cpus
+	do
+		set_core_mask $file "$cores"
+	done
+}
+
+set_interface_queues() {
+	echo "using cpu: $queue_cores for network queues"
+	for dev in /sys/class/net/eth*
+	do
+		[ -d "$dev" ] || continue
+		
+		local interface=`basename $dev`
+		
+		set_interface $interface "$queue_cores"
+	done
+
+	for dev in /sys/class/net/wlan*
+	do
+		[ -d "$dev" ] || continue
+		
+		local interface=`basename $dev`
+		
+		set_interface $interface "$queue_cores"
+	done
+	
+	for dev in /sys/class/net/eth*
+	do
+		local eth=`basename $dev`
+		echo "enabling offload on $eth"
+		ethtool -K $eth rx-checksum on >/dev/null 2>&1
+		ethtool -K $eth tx-checksum-ip-generic on >/dev/null 2>&1 || (
+		ethtool -K $eth tx-checksum-ipv4 on >/dev/null 2>&1
+		ethtool -K $eth tx-checksum-ipv6 on >/dev/null 2>&1)
+		ethtool -K $eth tx-scatter-gather on >/dev/null 2>&1
+		ethtool -K $eth gso on >/dev/null 2>&1
+		ethtool -K $eth gro on >/dev/null 2>&1
+		ethtool -K $eth lro on >/dev/null 2>&1
+		ethtool -K $eth tso on >/dev/null 2>&1
+		ethtool -K $eth ufo on >/dev/null 2>&1
+	done
+	
+	echo $rps_sock_flow_ent > /proc/sys/net/core/rps_sock_flow_entries
+	sysctl -w net.core.rps_sock_flow_entries=$rps_sock_flow_ent
+}
+
+############### assign interrupts ###############
+set_irq_cores() {
+	local mask="$(gen_hex_mask "$2")"
+	echo "set mask $mask for irq: $1"
+	echo $mask > "/proc/irq/$1/smp_affinity"
+}
+
+set_irq_pattern() {
+	local name_pattern="$1"
+	local cores="$2"
+	
+	for irq in `grep "$name_pattern" /proc/interrupts | cut -d: -f1 | sed 's, *,,'`
+	do
+		set_irq_cores $irq "$cores"
+	done
+}
+
+set_irq_interleave() {
+	local name_pattern=$1
+	local cores=$2
+	local step_size=$3
+	
+	local files=""
+	for irq in `grep "$name_pattern" /proc/interrupts | cut -d: -f1 | sed 's, *,,'`
+	do
+		files="$files\
+		/proc/irq/$irq/smp_affinity"
+	done
+	
+	set_core_mask_round "$files" "$cores" "$step_size"
+}
+
+set_irqs() {
+	#dma
+	set_irq_pattern bam_dma "$usb_core"
+
+	#ethernet
+	set_irq_interleave eth_tx "$queue_irq_cores" 4
+	set_irq_interleave eth_rx "$queue_irq_cores" 1
+
+	#pcie
+	set_irq_pattern pcie "$wifi_core"
+
+	#usb
+	set_irq_pattern usb "$usb_core"
+}
+
+start() {
+	set_interface_queues
+	set_irqs
 }