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

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 # Test for port-default priority. Non-IP packets ingress $swp1 and are
   5 # prioritized according to the default priority specified at the port.
   6 # rx_octets_prio_* counters are used to verify the prioritization.
   7 #
   8 # +-----------------------+
   9 # | H1                    |
  10 # |    + $h1              |
  11 # |    | 192.0.2.1/28     |
  12 # +----|------------------+
  13 #      |
  14 # +----|------------------+
  15 # | SW |                  |
  16 # |    + $swp1            |
  17 # |      192.0.2.2/28     |
  18 # |      APP=<prio>,1,0   |
  19 # +-----------------------+
  20
  21 ALL_TESTS="
  22         ping_ipv4
  23         test_defprio
  24 "
  25
  26 lib_dir=$(dirname $0)/../../../net/forwarding
  27
  28 NUM_NETIFS=2
  29 : ${HIT_TIMEOUT:=1000} # ms
  30 source $lib_dir/lib.sh
  31
  32 declare -a APP
  33
  34 defprio_install()
  35 {
  36         local dev=$1; shift
  37         local prio=$1; shift
  38         local app="app=$prio,1,0"
  39
  40         lldptool -T -i $dev -V APP $app >/dev/null
  41         lldpad_app_wait_set $dev
  42         APP[$prio]=$app
  43 }
  44
  45 defprio_uninstall()
  46 {
  47         local dev=$1; shift
  48         local prio=$1; shift
  49         local app=${APP[$prio]}
  50
  51         lldptool -T -i $dev -V APP -d $app >/dev/null
  52         lldpad_app_wait_del
  53         unset APP[$prio]
  54 }
  55
  56 defprio_flush()
  57 {
  58         local dev=$1; shift
  59         local prio
  60
  61         if ((${#APP[@]})); then
  62                 lldptool -T -i $dev -V APP -d ${APP[@]} >/dev/null
  63         fi
  64         lldpad_app_wait_del
  65         APP=()
  66 }
  67
  68 h1_create()
  69 {
  70         simple_if_init $h1 192.0.2.1/28
  71 }
  72
  73 h1_destroy()
  74 {
  75         simple_if_fini $h1 192.0.2.1/28
  76 }
  77
  78 switch_create()
  79 {
  80         ip link set dev $swp1 up
  81         ip addr add dev $swp1 192.0.2.2/28
  82 }
  83
  84 switch_destroy()
  85 {
  86         defprio_flush $swp1
  87         ip addr del dev $swp1 192.0.2.2/28
  88         ip link set dev $swp1 down
  89 }
  90
  91 setup_prepare()
  92 {
  93         h1=${NETIFS[p1]}
  94         swp1=${NETIFS[p2]}
  95
  96         vrf_prepare
  97
  98         h1_create
  99         switch_create
 100 }
 101
 102 cleanup()
 103 {
 104         pre_cleanup
 105
 106         switch_destroy
 107         h1_destroy
 108
 109         vrf_cleanup
 110 }
 111
 112 ping_ipv4()
 113 {
 114         ping_test $h1 192.0.2.2
 115 }
 116
 117 __test_defprio()
 118 {
 119         local prio_install=$1; shift
 120         local prio_observe=$1; shift
 121         local key
 122         local t1
 123         local i
 124
 125         RET=0
 126
 127         defprio_install $swp1 $prio_install
 128
 129         local t0=$(ethtool_stats_get $swp1 rx_frames_prio_$prio_observe)
 130         mausezahn -q $h1 -d 100m -c 10 -t arp reply
 131         t1=$(busywait "$HIT_TIMEOUT" until_counter_is ">= $((t0 + 10))" \
 132                 ethtool_stats_get $swp1 rx_frames_prio_$prio_observe)
 133
 134         check_err $? "Default priority $prio_install/$prio_observe: Expected to capture 10 packets, got $((t1 - t0))."
 135         log_test "Default priority $prio_install/$prio_observe"
 136
 137         defprio_uninstall $swp1 $prio_install
 138 }
 139
 140 test_defprio()
 141 {
 142         local prio
 143
 144         for prio in {0..7}; do
 145                 __test_defprio $prio $prio
 146         done
 147
 148         defprio_install $swp1 3
 149         __test_defprio 0 3
 150         __test_defprio 1 3
 151         __test_defprio 2 3
 152         __test_defprio 4 4
 153         __test_defprio 5 5
 154         __test_defprio 6 6
 155         __test_defprio 7 7
 156         defprio_uninstall $swp1 3
 157 }
 158
 159 trap cleanup EXIT
 160
 161 setup_prepare
 162 setup_wait
 163
 164 tests_run
 165
 166 exit $EXIT_STATUS