From: Matteo Croce Date: Sat, 8 Mar 2008 13:15:24 +0000 (+0000) Subject: added the wshaper script X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=commitdiff_plain;h=77d0acc42c1e89cd53d902ba79f0f517171526e7;ds=sidebyside added the wshaper script SVN-Revision: 10569 --- diff --git a/net/wshaper/Makefile b/net/wshaper/Makefile new file mode 100644 index 0000000000..691d2633de --- /dev/null +++ b/net/wshaper/Makefile @@ -0,0 +1,48 @@ +# +# Copyright (C) 2007 OpenWrt.org +# +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. +# +# $Id: $ + +include $(TOPDIR)/rules.mk + +PKG_NAME:=wshaper +PKG_VERSION:=0.1 + +PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME) + +include $(INCLUDE_DIR)/package.mk + +define Package/wshaper + SECTION:=net + CATEGORY:=Network + DEPENDS:=+kmod-sched +tc + TITLE:=wshaper + URL:=http://lartc.org/wondershaper/ +endef + +define Package/wshaper/description + A script to do traffing shaping with the HTB algorithm. + Wshaper attempts to: + * Maintain low latency for interfactive traffic at all times + * Allow 'surfing' at reasonable speeds while up or downloading + * Make sure uploads don't harm downloads, and the other way around +endef + +define Build/Prepare +endef + +define Build/Configure +endef + +define Build/Compile +endef + +define Package/wshaper/install + $(INSTALL_DIR) $(1)/usr/sbin/ + $(INSTALL_BIN) ./files/wshaper.htb $(1)/usr/sbin/ +endef + +$(eval $(call BuildPackage,wshaper)) diff --git a/net/wshaper/files/wshaper.htb b/net/wshaper/files/wshaper.htb new file mode 100755 index 0000000000..2600d4398e --- /dev/null +++ b/net/wshaper/files/wshaper.htb @@ -0,0 +1,132 @@ +#!/bin/sh +# Wonder Shaper +# please read the README before filling out these values +# +# Set the following values to somewhat less than your actual download +# and uplink speed. In kilobits. Also set the device that is to be shaped. + +DOWNLINK=2000 +UPLINK=240 +DEV=eth0 + +# low priority OUTGOING traffic - you can leave this blank if you want +# low priority source netmasks +NOPRIOHOSTSRC= + +# low priority destination netmasks +NOPRIOHOSTDST= + +# low priority source ports +NOPRIOPORTSRC= + +# low priority destination ports +NOPRIOPORTDST="21" + +if [ "$1" = "status" ] +then + tc -s qdisc ls dev $DEV + tc -s class ls dev $DEV + exit +fi + +# clean existing down- and uplink qdiscs, hide errors +tc qdisc del dev $DEV root 2> /dev/null > /dev/null +tc qdisc del dev $DEV ingress 2> /dev/null > /dev/null + +###### uplink + +# install root HTB, point default traffic to 1:20: + +tc qdisc add dev $DEV root handle 1: htb default 20 + +# shape everything at $UPLINK speed - this prevents huge queues in your +# DSL modem which destroy latency: + +tc class add dev $DEV parent 1: classid 1:1 htb rate ${UPLINK}kbit burst 6k + +# high prio class 1:10: + +tc class add dev $DEV parent 1:1 classid 1:10 htb rate ${UPLINK}kbit \ + burst 6k prio 1 + +# bulk & default class 1:20 - gets slightly less traffic, +# and a lower priority: + +tc class add dev $DEV parent 1:1 classid 1:20 htb rate $((9*$UPLINK/10))kbit \ + burst 6k prio 2 + +tc class add dev $DEV parent 1:1 classid 1:30 htb rate $((8*$UPLINK/10))kbit \ + burst 6k prio 2 + +# all get Stochastic Fairness: +tc qdisc add dev $DEV parent 1:10 handle 10: sfq perturb 10 +tc qdisc add dev $DEV parent 1:20 handle 20: sfq perturb 10 +tc qdisc add dev $DEV parent 1:30 handle 30: sfq perturb 10 + +# TOS Minimum Delay (ssh, NOT scp) in 1:10: + +tc filter add dev $DEV parent 1:0 protocol ip prio 10 u32 \ + match ip tos 0x10 0xff flowid 1:10 + +# ICMP (ip protocol 1) in the interactive class 1:10 so we +# can do measurements & impress our friends: +tc filter add dev $DEV parent 1:0 protocol ip prio 10 u32 \ + match ip protocol 1 0xff flowid 1:10 + +# To speed up downloads while an upload is going on, put ACK packets in +# the interactive class: + +tc filter add dev $DEV parent 1: protocol ip prio 10 u32 \ + match ip protocol 6 0xff \ + match u8 0x05 0x0f at 0 \ + match u16 0x0000 0xffc0 at 2 \ + match u8 0x10 0xff at 33 \ + flowid 1:10 + +# rest is 'non-interactive' ie 'bulk' and ends up in 1:20 + +# some traffic however suffers a worse fate +for a in $NOPRIOPORTDST +do + tc filter add dev $DEV parent 1: protocol ip prio 14 u32 \ + match ip dport $a 0xffff flowid 1:30 +done + +for a in $NOPRIOPORTSRC +do + tc filter add dev $DEV parent 1: protocol ip prio 15 u32 \ + match ip sport $a 0xffff flowid 1:30 +done + +for a in $NOPRIOHOSTSRC +do + tc filter add dev $DEV parent 1: protocol ip prio 16 u32 \ + match ip src $a flowid 1:30 +done + +for a in $NOPRIOHOSTDST +do + tc filter add dev $DEV parent 1: protocol ip prio 17 u32 \ + match ip dst $a flowid 1:30 +done + +# rest is 'non-interactive' ie 'bulk' and ends up in 1:20 + +tc filter add dev $DEV parent 1: protocol ip prio 18 u32 \ + match ip dst 0.0.0.0/0 flowid 1:20 + + +########## downlink ############# +# slow downloads down to somewhat less than the real speed to prevent +# queuing at our ISP. Tune to see how high you can set it. +# ISPs tend to have *huge* queues to make sure big downloads are fast +# +# attach ingress policer: + +tc qdisc add dev $DEV handle ffff: ingress + +# filter *everything* to it (0.0.0.0/0), drop everything that's +# coming in too fast: + +tc filter add dev $DEV parent ffff: protocol ip prio 50 u32 match ip src \ + 0.0.0.0/0 police rate ${DOWNLINK}kbit burst 10k drop flowid :1