#!/bin/bash

# The Ultimate Setup For Your Internet Connection At Home
# 
#
# Set the following values to somewhat less than your actual download
# and uplink speed. In kilobits
DOWNLINK=4000
UPLINK=150
DEV=eth0
TC=/sbin/tc

# 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

# clean existing classes
#tc class del dev $DEV 2> /dev/null > /dev/null

# clean existing filters
#tc filter del dev $DEV 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

# realtime priority

$TC class add dev $DEV parent 1:1 classid 1:5 htb rate ${UPLINK}kbit \
   burst 6k prio 1

# high prio class 1:10:

$TC class add dev $DEV parent 1:1 classid 1:10 htb rate ${UPLINK}kbit \
   burst 6k prio 2

# 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 3

# low priority p2p traffic class 1:30 - gets lower priority again

$TC class add dev $DEV parent 1:1 classid 1:30 htb rate $[8*$UPLINK/10]kbit \
   burst 6k prio 4

# all get Stochastic Fairness:
$TC qdisc add dev $DEV parent 1:5 handle 5: sfq perturb 10
$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

# Everquest goes into realtime priority
$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 64.37.148.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 64.37.149.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 64.37.150.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 64.37.151.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 64.37.156.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 64.37.157.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 195.33.132.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 195.33.108.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 195.33.133.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 199.108.1.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 199.108.2.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 199.108.3.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 64.37.148.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 64.37.149.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 64.37.150.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 64.37.151.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 64.37.156.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 64.37.157.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 195.33.132.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 195.33.108.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 195.33.133.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 199.108.1.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 199.108.2.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 199.108.3.0/24  flowid 1:5

# Everquest2 goes into realtime priority
$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 64.37.158.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 199.108.11.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 199.108.12.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 199.108.13.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 199.108.202.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 199.108.203.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip dst 195.33.135.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 64.37.158.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 199.108.11.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 199.108.12.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 199.108.13.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 199.108.202.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 199.108.203.0/24  flowid 1:5

$TC filter add dev $DEV parent 1:0 protocol ip prio 5 u32 \
      match ip src 195.33.135.0/24  flowid 1:5

# 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

# add tcp port 6881-6889 (bittorrent) to 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip sport 6881 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip sport 6882 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip sport 6883 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip sport 6884 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip sport 6885 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip sport 6886 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip sport 6887 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip sport 6888 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip sport 6889 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip dport 6881 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip dport 6882 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip dport 6883 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip dport 6884 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip dport 6885 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip dport 6886 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip dport 6887 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip dport 6888 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip dport 6889 0xffff \
   flowid 1:30

# WoW
$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip dport 3724 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip sport 3724 0xffff \
   flowid 1:30

# put nntp into lowest priority

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip sport 119 0xffff \
   flowid 1:30

$TC filter add dev $DEV parent 1: protocol ip prio 10 u32 \
   match ip protocol 6 0xff \
   match ip dport 119 0xffff \
   flowid 1:30

# rest is 'non-interactive' ie 'bulk' and ends up in 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