tools/testing/selftests/drivers/net/mlxsw/sch_red_ets.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 ALL_TESTS="
   5         ping_ipv4
   6         ecn_test
   7         ecn_nodrop_test
   8         red_test
   9         mc_backlog_test
  10         red_mirror_test
  11         red_trap_test
  12 "
  13 : ${QDISC:=ets}
  14 source sch_red_core.sh
  15
  16 # do_ecn_test first build 2/3 of the requested backlog and expects no marking,
  17 # and then builds 3/2 of it and does expect marking. The values of $BACKLOG1 and
  18 # $BACKLOG2 are far enough not to overlap, so that we can assume that if we do
  19 # see (do not see) marking, it is actually due to the configuration of that one
  20 # TC, and not due to configuration of the other TC leaking over.
  21 BACKLOG1=200000
  22 BACKLOG2=500000
  23
  24 install_qdisc()
  25 {
  26         local -a args=("$@")
  27
  28         tc qdisc add dev $swp3 root handle 10: $QDISC \
  29            bands 8 priomap 7 6 5 4 3 2 1 0
  30         tc qdisc add dev $swp3 parent 10:8 handle 108: red \
  31            limit 1000000 min $BACKLOG1 max $((BACKLOG1 + 1)) \
  32            probability 1.0 avpkt 8000 burst 38 "${args[@]}"
  33         tc qdisc add dev $swp3 parent 10:7 handle 107: red \
  34            limit 1000000 min $BACKLOG2 max $((BACKLOG2 + 1)) \
  35            probability 1.0 avpkt 8000 burst 63 "${args[@]}"
  36         sleep 1
  37 }
  38
  39 uninstall_qdisc()
  40 {
  41         tc qdisc del dev $swp3 parent 10:7
  42         tc qdisc del dev $swp3 parent 10:8
  43         tc qdisc del dev $swp3 root
  44 }
  45
  46 ecn_test()
  47 {
  48         install_qdisc ecn
  49
  50         do_ecn_test 10 $BACKLOG1
  51         do_ecn_test 11 $BACKLOG2
  52
  53         uninstall_qdisc
  54 }
  55
  56 ecn_nodrop_test()
  57 {
  58         install_qdisc ecn nodrop
  59
  60         do_ecn_nodrop_test 10 $BACKLOG1
  61         do_ecn_nodrop_test 11 $BACKLOG2
  62
  63         uninstall_qdisc
  64 }
  65
  66 red_test()
  67 {
  68         install_qdisc
  69
  70         do_red_test 10 $BACKLOG1
  71         do_red_test 11 $BACKLOG2
  72
  73         uninstall_qdisc
  74 }
  75
  76 mc_backlog_test()
  77 {
  78         install_qdisc
  79
  80         # Note that the backlog numbers here do not correspond to RED
  81         # configuration, but are arbitrary.
  82         do_mc_backlog_test 10 $BACKLOG1
  83         do_mc_backlog_test 11 $BACKLOG2
  84
  85         uninstall_qdisc
  86 }
  87
  88 red_mirror_test()
  89 {
  90         install_qdisc qevent early_drop block 10
  91
  92         do_drop_mirror_test 10 $BACKLOG1 early_drop
  93         do_drop_mirror_test 11 $BACKLOG2 early_drop
  94
  95         uninstall_qdisc
  96 }
  97
  98 red_trap_test()
  99 {
 100         install_qdisc qevent early_drop block 10
 101
 102         do_drop_trap_test 10 $BACKLOG1 early_drop
 103         do_drop_trap_test 11 $BACKLOG2 early_drop
 104
 105         uninstall_qdisc
 106 }
 107
 108 trap cleanup EXIT
 109
 110 setup_prepare
 111 setup_wait
 112
 113 bail_on_lldpad
 114 tests_run
 115
 116 exit $EXIT_STATUS