cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

qos_defprio.sh (2738B)

      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# |    + $swp1            |
     17# |      192.0.2.2/28     |
     18# |      APP=<prio>,1,0   |
     19# +-----------------------+
     20
     21ALL_TESTS="
     22	ping_ipv4
     23	test_defprio
     24"
     25
     26lib_dir=$(dirname $0)/../../../net/forwarding
     27
     28NUM_NETIFS=2
     29: ${HIT_TIMEOUT:=1000} # ms
     30source $lib_dir/lib.sh
     31
     32declare -a APP
     33
     34defprio_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
     45defprio_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
     56defprio_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
     68h1_create()
     69{
     70	simple_if_init $h1 192.0.2.1/28
     71}
     72
     73h1_destroy()
     74{
     75	simple_if_fini $h1 192.0.2.1/28
     76}
     77
     78switch_create()
     79{
     80	ip link set dev $swp1 up
     81	ip addr add dev $swp1 192.0.2.2/28
     82}
     83
     84switch_destroy()
     85{
     86	defprio_flush $swp1
     87	ip addr del dev $swp1 192.0.2.2/28
     88	ip link set dev $swp1 down
     89}
     90
     91setup_prepare()
     92{
     93	h1=${NETIFS[p1]}
     94	swp1=${NETIFS[p2]}
     95
     96	vrf_prepare
     97
     98	h1_create
     99	switch_create
    100}
    101
    102cleanup()
    103{
    104	pre_cleanup
    105
    106	switch_destroy
    107	h1_destroy
    108
    109	vrf_cleanup
    110}
    111
    112ping_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
    140test_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
    159trap cleanup EXIT
    160
    161setup_prepare
    162setup_wait
    163
    164tests_run
    165
    166exit $EXIT_STATUS