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 # | + $swp1 |
17 # | 192.0.2.2/28 |
18 # | dcb app default-prio <prio> |
19 # +----------------------------------+
20
21 ALL_TESTS="
22 ping_ipv4
23 test_defprio
24 "
25
26 lib_dir=$(dirname $0)/../../../net/forwarding
27
28 NUM_NETIFS=2
29 : ${HIT_TIMEOUT:=1000} # ms
30 source $lib_dir/lib.sh
31
32 h1_create()
33 {
34 simple_if_init $h1 192.0.2.1/28
35 }
36
37 h1_destroy()
38 {
39 simple_if_fini $h1 192.0.2.1/28
40 }
41
42 switch_create()
43 {
44 ip link set dev $swp1 up
45 ip addr add dev $swp1 192.0.2.2/28
46 }
47
48 switch_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 $swp1 down
53 }
54
55 setup_prepare()
56 {
57 h1=${NETIFS[p1]}
58 swp1=${NETIFS[p2]}
59
60 vrf_prepare
61
62 h1_create
63 switch_create
64 }
65
66 cleanup()
67 {
68 pre_cleanup
69
70 switch_destroy
71 h1_destroy
72
73 vrf_cleanup
74 }
75
76 ping_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
104 test_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
123 trap cleanup EXIT
124
125 setup_prepare
126 setup_wait
127
128 tests_run
129
130 exit $EXIT_STATUS
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