sova/qos2

   1 #!/bin/bash
   2 #
   3 # SOVA QoS settings.
   4 #
   5 # WARNING! Remember to put '$true' in any function you intend to leave empty
   6 #          (e.g. you don't need to use  the 'custom_variables' function)
   7 #          to make sure the script doesn't break.
   8
   9 binaries_paths()
  10 {
  11 ### get full paths
  12 # the 'exit 0' binary
  13 true="`which true`"
  14
  15 tc="`which tc`"
  16 ip="`which ip`"
  17 sv6="`which stripipv6`"
  18 iptables="`which iptables`"
  19 modprobe="`which modprobe`"
  20 }
  21
  22 custom_variables()
  23 {
  24 # define whatever you need here
  25
  26 ### interfaces to redirect traffic from
  27 if_to_redir=(vlan334 vlan364 eth1 eth2)
  28
  29 ### HTB specific settings
  30 quantum="1514"
  31
  32 ### router total uplink and downlink (e.g. 100mbit for FastEthernet)
  33 global_outgoing="100mbit"
  34 global_incoming="100mbit"
  35 }
  36
  37 start_qos()
  38 {
  39     ###
  40     ### init part
  41     ###
  42
  43     ### load the ifb module...
  44     $modprobe ifb
  45
  46     sleep 1
  47
  48     for ctr1 in ifb0 ifb1
  49     do
  50         # ...bring the interfaces up...
  51         $ip link set $ctr1 up
  52         $sv6 $ctr1
  53
  54         sleep 1
  55
  56         # ...and set up root queues on them
  57         $tc qdisc add dev $ctr1 root handle 1:0 htb
  58     done
  59
  60     # also, set total badwidth available for the interfaces
  61     $tc class add dev ifb0 parent 1:0 classid 1:1 htb \
  62         rate $global_incoming quantum $quantum
  63
  64     $tc class add dev ifb1 parent 1:0 classid 1:1 htb \
  65         rate $global_outgoing quantum $quantum
  66
  67     sleep 1
  68
  69     ### redirect all incoming and outgoing traffic to ifb0 and ifb1
  70     for ctr1 in ${if_to_redir[*]}
  71     do
  72         # the incoming (ifb0)
  73         $tc qdisc add dev $ctr1 ingress handle ffff:
  74
  75         $tc filter add dev $ctr1 parent ffff: protocol ip u32 \
  76             match u32 0 0 action mirred egress redirect dev ifb0 \
  77             2> /dev/null > /dev/null
  78
  79         # the outgoing (ifb1)
  80         $tc qdisc add dev $ctr1 root handle 1:0 htb
  81
  82         $tc filter add dev $ctr1 parent 1:0 protocol ip u32 \
  83             match u32 0 0 action mirred egress redirect dev ifb1 \
  84             2> /dev/null > /dev/null
  85     done
  86
  87     sleep 1
  88
  89     ###
  90     ### specific queues
  91     ###
  92 }
  93
  94 stop_qos()
  95 {
  96     for ctr2 in ifb0 ifb1 ${if_to_redir[*]}
  97     do
  98         $tc qdisc del root dev $ctr2
  99     done
 100
 101     for ctr3 in ${if_to_redir[*]}
 102     do
 103         $tc qdisc del dev $ctr3 ingress
 104     done
 105 }
 106
 107 # EOF
 108