# QoS configuration for OpenWrt

# INTERFACES:
config interface wan
        option classgroup  "Default"
        option enabled      1
        option overhead     1
        option upload       1024
        option download     1024

# RULES:
config classify
        option target       "Bulk"
        option srchost      "192.168.1.20"

config classify
        option target       "Bulk"
        option dsthost      "192.168.1.20"

config classify
        option target       "Bulk"
        option ipp2p        "all"

config classify
        option target       "Bulk"
        option layer7       "edonkey"

config classify
        option target       "Bulk"
        option layer7       "bittorrent"

config classify
        option target       "Priority"
        option ports        "22,53"

config classify
        option target       "Normal"
        option proto        "tcp"
        option ports        "20,21,25,80,110,443,993,995"

config classify
        option target       "Express"
        option ports        "5190"

config default
        option target       "Express"
        option proto        "udp"
        option pktsize      "-500"

config default
        option target       "Express"
        option proto        "udp"
        option srcports     "27000-27030"

config default
        option target       "Express"
        option proto        "udp"
        option dstports     "27000-27030"

config default
        option target       "Express"
        option proto        "udp"
        option srcports     "6112-6113"

config default
        option target       "Express"
        option proto        "udp"
        option dstports     "6112-6113"

config default
        option target       "Bulk"
        option portrange    "1024-65535"

config reclassify
        option target       "Priority"
        option proto        "icmp"

config reclassify
        option target       "Priority"
        option proto        "tcp"
        option pktsize      "-128"
        option mark         "!Bulk"
        option tcpflags     "SYN"

config reclassify
        option target       "Priority"
        option proto        "tcp"
        option pktsize      "-128"
        option mark             "!Bulk"
        option tcpflags     "ACK"


# Don't change the stuff below unless you
# really know what it means :)

config classgroup "Default"
        option classes      "Priority Express Normal Bulk"
        option default      "Normal"

### Params:
#
# maxsize:
#       limits packet size in iptables rule
#
# avgrate: (note: sum(avgrates) ~ 100)
#       rt m1 = avgrate / sum (avgrate) * max_bandwidth
#       rt m2 = avgrate * max_bandwidth / 100
#       ls m1 = rt m1
#
# packetsize & packetdelay: (only works if avgrate is present)
#       rt d = max( packetdelay, 'time required for packetsize to transfer' ) (smaller ps -> smaller d)
#       ls d = rt d
#
# priority:
#       ls m2 = priority / sum (priority) * max_bandwidth
#
# limitrate:
#       ul rate = limitrate * max_bandwidth / 100


config class "Priority"
        option packetsize  400
        option maxsize     400
        option avgrate     49
        option priority    10

# u/d sum_avgrate = 10/10

config class "Express"
        option packetsize  1000
        option maxsize     800
        option avgrate     49
        option priority    10

# u/d sum_avgrate = 60/60

config class "Normal"
        option avgrate     1
        option packetsize  1500
        option packetdelay 100
        option priority    5

config class "Bulk"
        option avgrate     1
        option packetdelay 300
        option priority    1


# [EOF]