net/sqm-scripts-extra/src/test_triple_isolated_llt_cake.qos

   1 #!/bin/sh
   2 ################################################################################
   3 # test_triple_isolated_llt_cake.qos
   4 # One bin cake shaper for ethernet gateways
   5 # using cake qdisc with triple-isolate and diffserv-llt (Latency-Loss-Tradeoff)
   6 #
   7 ################################################################################
   8 #
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License version 2 as
  11 # published by the Free Software Foundation.
  12 #
  13 #  Copyright (C) 2012-2016
  14 #    Michael D. Taht, Toke Høiland-Jørgensen, Sebastian Moeller
  15 #
  16 ################################################################################
  17
  18 . ${SQM_LIB_DIR}/defaults.sh
  19
  20 ################################################################################
  21
  22
  23 # this will only work with cake as qdisc...
  24 QDISC=cake
  25
  26
  27 # to keep this as simple as possible we ignore the *_CAKE_OPTS from defaults.sh
  28 INGRESS_CAKE_OPTS="diffserv-llt triple-isolate"
  29 EGRESS_CAKE_OPTS="diffserv-llt triple-isolate"
  30
  31
  32 egress() {
  33     sqm_debug "egress"
  34     $TC qdisc del dev $IFACE root 2>/dev/null
  35     $TC qdisc add dev $IFACE root $( get_stab_string ) cake bandwidth ${UPLINK}kbit $( get_cake_lla_string ) ${EGRESS_CAKE_OPTS} ${EQDISC_OPTS}
  36 }
  37
  38
  39 ingress() {
  40     sqm_debug "ingress"
  41     $TC qdisc del dev $IFACE handle ffff: ingress 2>/dev/null
  42     $TC qdisc add dev $IFACE handle ffff: ingress
  43     $TC qdisc del dev $DEV root 2>/dev/null
  44     $TC qdisc add dev $DEV root $( get_stab_string ) cake bandwidth ${DOWNLINK}kbit $( get_cake_lla_string ) ${INGRESS_CAKE_OPTS} ${IQDISC_OPTS}
  45
  46     $IP link set dev $DEV up
  47
  48     # redirect all IP packets arriving in $IFACE to ifb0
  49
  50     $TC filter add dev $IFACE parent ffff: protocol all prio 10 u32 \
  51         match u32 0 0 flowid 1:1 action mirred egress redirect dev $DEV
  52 }
  53
  54 sqm_start() {
  55     [ -n "$IFACE" ] || return 1
  56     do_modules
  57     verify_qdisc $QDISC "cake" || return 1
  58     sqm_debug "Starting ${SCRIPT}"
  59
  60     [ -z "$DEV" ] && DEV=$( get_ifb_for_if ${IFACE} )
  61
  62
  63     if [ "${UPLINK}" -ne 0 ];
  64     then
  65         egress
  66         sqm_debug "egress shaping activated"
  67     else
  68         sqm_debug "egress shaping deactivated"
  69         $TC qdisc del dev ${IFACE} root 2> /dev/null
  70     fi
  71     if [ "${DOWNLINK}" -ne 0 ];
  72     then
  73         verify_qdisc ingress "ingress" || return 1
  74         ingress
  75         sqm_debug "ingress shaping activated"
  76     else
  77         sqm_debug "ingress shaping deactivated"
  78         $TC qdisc del dev ${DEV} root 2> /dev/null
  79         $TC qdisc del dev ${IFACE} ingress 2> /dev/null
  80     fi
  81     return 0
  82 }