1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0
3
4 ALL_TESTS="
5 settime
6 adjtime
7 adjfreq
8 "
9 DEV=$1
10
11 ##############################################################################
12 # Sanity checks
13
14 if [[ "$(id -u)" -ne 0 ]]; then
15 echo "SKIP: need root privileges"
16 exit 0
17 fi
18
19 if [[ "$DEV" == "" ]]; then
20 echo "SKIP: PTP device not provided"
21 exit 0
22 fi
23
24 require_command()
25 {
26 local cmd=$1; shift
27
28 if [[ ! -x "$(command -v "$cmd")" ]]; then
29 echo "SKIP: $cmd not installed"
30 exit 1
31 fi
32 }
33
34 phc_sanity()
35 {
36 phc_ctl $DEV get &> /dev/null
37
38 if [ $? != 0 ]; then
39 echo "SKIP: unknown clock $DEV: No such device"
40 exit 1
41 fi
42 }
43
44 require_command phc_ctl
45 phc_sanity
46
47 ##############################################################################
48 # Helpers
49
50 # Exit status to return at the end. Set in case one of the tests fails.
51 EXIT_STATUS=0
52 # Per-test return value. Clear at the beginning of each test.
53 RET=0
54
55 check_err()
56 {
57 local err=$1
58
59 if [[ $RET -eq 0 && $err -ne 0 ]]; then
60 RET=$err
61 fi
62 }
63
64 log_test()
65 {
66 local test_name=$1
67
68 if [[ $RET -ne 0 ]]; then
69 EXIT_STATUS=1
70 printf "TEST: %-60s [FAIL]\n" "$test_name"
71 return 1
72 fi
73
74 printf "TEST: %-60s [ OK ]\n" "$test_name"
75 return 0
76 }
77
78 tests_run()
79 {
80 local current_test
81
82 for current_test in ${TESTS:-$ALL_TESTS}; do
83 $current_test
84 done
85 }
86
87 ##############################################################################
88 # Tests
89
90 settime_do()
91 {
92 local res
93
94 res=$(phc_ctl $DEV set 0 wait 120.5 get 2> /dev/null \
95 | awk '/clock time is/{print $5}' \
96 | awk -F. '{print $1}')
97
98 (( res == 120 ))
99 }
100
101 adjtime_do()
102 {
103 local res
104
105 res=$(phc_ctl $DEV set 0 adj 10 get 2> /dev/null \
106 | awk '/clock time is/{print $5}' \
107 | awk -F. '{print $1}')
108
109 (( res == 10 ))
110 }
111
112 adjfreq_do()
113 {
114 local res
115
116 # Set the clock to be 1% faster
117 res=$(phc_ctl $DEV freq 10000000 set 0 wait 100.5 get 2> /dev/null \
118 | awk '/clock time is/{print $5}' \
119 | awk -F. '{print $1}')
120
121 (( res == 101 ))
122 }
123
124 ##############################################################################
125
126 cleanup()
127 {
128 phc_ctl $DEV freq 0.0 &> /dev/null
129 phc_ctl $DEV set &> /dev/null
130 }
131
132 settime()
133 {
134 RET=0
135
136 settime_do
137 check_err $?
138 log_test "settime"
139 cleanup
140 }
141
142 adjtime()
143 {
144 RET=0
145
146 adjtime_do
147 check_err $?
148 log_test "adjtime"
149 cleanup
150 }
151
152 adjfreq()
153 {
154 RET=0
155
156 adjfreq_do
157 check_err $?
158 log_test "adjfreq"
159 cleanup
160 }
161
162 trap cleanup EXIT
163
164 tests_run
165
166 exit $EXIT_STATUS
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