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# |    + $swp1                       |
 17# |      192.0.2.2/28                |
 18# |      dcb app default-prio <prio> |
 19# +----------------------------------+
 20
 21ALL_TESTS="
 22	ping_ipv4
 23	test_defprio
 24"
 25
 26lib_dir=$(dirname $0)/../../../net/forwarding
 27
 28NUM_NETIFS=2
 29: ${HIT_TIMEOUT:=1000} # ms
 30source $lib_dir/lib.sh
 31
 32h1_create()
 33{
 34	simple_if_init $h1 192.0.2.1/28
 35}
 36
 37h1_destroy()
 38{
 39	simple_if_fini $h1 192.0.2.1/28
 40}
 41
 42switch_create()
 43{
 44	ip link set dev $swp1 up
 45	ip addr add dev $swp1 192.0.2.2/28
 46}
 47
 48switch_destroy()
 49{
 50	dcb app flush dev $swp1 default-prio
 51	ip addr del dev $swp1 192.0.2.2/28
 52	ip link set dev $swp1 down
 53}
 54
 55setup_prepare()
 56{
 57	h1=${NETIFS[p1]}
 58	swp1=${NETIFS[p2]}
 59
 60	vrf_prepare
 61
 62	h1_create
 63	switch_create
 64}
 65
 66cleanup()
 67{
 68	pre_cleanup
 69
 70	switch_destroy
 71	h1_destroy
 72
 73	vrf_cleanup
 74}
 75
 76ping_ipv4()
 77{
 78	ping_test $h1 192.0.2.2
 79}
 80
 81__test_defprio()
 82{
 83	local prio_install=$1; shift
 84	local prio_observe=$1; shift
 85	local key
 86	local t1
 87	local i
 88
 89	RET=0
 90
 91	dcb app add dev $swp1 default-prio $prio_install
 92
 93	local t0=$(ethtool_stats_get $swp1 rx_frames_prio_$prio_observe)
 94	mausezahn -q $h1 -d 100m -c 10 -t arp reply
 95	t1=$(busywait "$HIT_TIMEOUT" until_counter_is ">= $((t0 + 10))" \
 96		ethtool_stats_get $swp1 rx_frames_prio_$prio_observe)
 97
 98	check_err $? "Default priority $prio_install/$prio_observe: Expected to capture 10 packets, got $((t1 - t0))."
 99	log_test "Default priority $prio_install/$prio_observe"
100
101	dcb app del dev $swp1 default-prio $prio_install
102}
103
104test_defprio()
105{
106	local prio
107
108	for prio in {0..7}; do
109		__test_defprio $prio $prio
110	done
111
112	dcb app add dev $swp1 default-prio 3
113	__test_defprio 0 3
114	__test_defprio 1 3
115	__test_defprio 2 3
116	__test_defprio 4 4
117	__test_defprio 5 5
118	__test_defprio 6 6
119	__test_defprio 7 7
120	dcb app del dev $swp1 default-prio 3
121}
122
123trap cleanup EXIT
124
125setup_prepare
126setup_wait
127
128tests_run
129
130exit $EXIT_STATUS