1*5113495bSYour Name /*
2*5113495bSYour Name * Copyright (c) 2019 The Linux Foundation. All rights reserved.
3*5113495bSYour Name * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
4*5113495bSYour Name *
5*5113495bSYour Name *
6*5113495bSYour Name * Permission to use, copy, modify, and/or distribute this software for
7*5113495bSYour Name * any purpose with or without fee is hereby granted, provided that the
8*5113495bSYour Name * above copyright notice and this permission notice appear in all
9*5113495bSYour Name * copies.
10*5113495bSYour Name *
11*5113495bSYour Name * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
12*5113495bSYour Name * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
13*5113495bSYour Name * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
14*5113495bSYour Name * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
15*5113495bSYour Name * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
16*5113495bSYour Name * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
17*5113495bSYour Name * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
18*5113495bSYour Name * PERFORMANCE OF THIS SOFTWARE.
19*5113495bSYour Name */
20*5113495bSYour Name
21*5113495bSYour Name #include "qdf_tracker.h"
22*5113495bSYour Name #include "qdf_tracker_test.h"
23*5113495bSYour Name #include "qdf_trace.h"
24*5113495bSYour Name #include "qdf_types.h"
25*5113495bSYour Name
26*5113495bSYour Name #if defined(CONFIG_LEAK_DETECTION) && defined(WLAN_TRACKER_TEST)
27*5113495bSYour Name #define qdf_ut_tracker_bits 4 /* 16 buckets */
28*5113495bSYour Name #define qdf_ut_tracker_item_count 3
29*5113495bSYour Name #define qdf_ut_tracker_declare(name) \
30*5113495bSYour Name qdf_tracker_declare(name, qdf_ut_tracker_bits, "unit-test leak", \
31*5113495bSYour Name "unit-test alloc", "unit-test free")
32*5113495bSYour Name
qdf_tracker_test_empty(void)33*5113495bSYour Name static uint32_t qdf_tracker_test_empty(void)
34*5113495bSYour Name {
35*5113495bSYour Name qdf_ut_tracker_declare(tracker);
36*5113495bSYour Name char func[QDF_TRACKER_FUNC_SIZE];
37*5113495bSYour Name uint32_t line;
38*5113495bSYour Name
39*5113495bSYour Name /* a new tracker should ... */
40*5113495bSYour Name qdf_tracker_init(&tracker);
41*5113495bSYour Name
42*5113495bSYour Name /* ... be empty */
43*5113495bSYour Name qdf_tracker_check_for_leaks(&tracker);
44*5113495bSYour Name
45*5113495bSYour Name /* ... not contain an arbitrary pointer */
46*5113495bSYour Name QDF_BUG(!qdf_tracker_lookup(&tracker, &tracker, &func, &line));
47*5113495bSYour Name
48*5113495bSYour Name qdf_tracker_deinit(&tracker);
49*5113495bSYour Name
50*5113495bSYour Name return 0;
51*5113495bSYour Name }
52*5113495bSYour Name
qdf_tracker_test_add_remove(void)53*5113495bSYour Name static uint32_t qdf_tracker_test_add_remove(void)
54*5113495bSYour Name {
55*5113495bSYour Name qdf_ut_tracker_declare(tracker);
56*5113495bSYour Name bool items[qdf_ut_tracker_item_count];
57*5113495bSYour Name QDF_STATUS status;
58*5113495bSYour Name int i;
59*5113495bSYour Name
60*5113495bSYour Name qdf_tracker_init(&tracker);
61*5113495bSYour Name
62*5113495bSYour Name /* an empty tracker should track items */
63*5113495bSYour Name for (i = 0; i < qdf_ut_tracker_item_count; i++) {
64*5113495bSYour Name status = qdf_tracker_track(&tracker, items + i,
65*5113495bSYour Name __func__, __LINE__);
66*5113495bSYour Name items[i] = QDF_IS_STATUS_SUCCESS(status);
67*5113495bSYour Name }
68*5113495bSYour Name
69*5113495bSYour Name /* a non-empty tracker should find previously added items */
70*5113495bSYour Name for (i = 0; i < qdf_ut_tracker_item_count; i++) {
71*5113495bSYour Name char func[QDF_TRACKER_FUNC_SIZE];
72*5113495bSYour Name uint32_t line;
73*5113495bSYour Name
74*5113495bSYour Name if (!items[i])
75*5113495bSYour Name continue;
76*5113495bSYour Name
77*5113495bSYour Name QDF_BUG(qdf_tracker_lookup(&tracker, items + i, &func, &line));
78*5113495bSYour Name qdf_tracker_untrack(&tracker, items + i, __func__, __LINE__);
79*5113495bSYour Name }
80*5113495bSYour Name
81*5113495bSYour Name /* a tracker should be empty after all items are untracked*/
82*5113495bSYour Name qdf_tracker_check_for_leaks(&tracker);
83*5113495bSYour Name
84*5113495bSYour Name qdf_tracker_deinit(&tracker);
85*5113495bSYour Name
86*5113495bSYour Name return 0;
87*5113495bSYour Name }
88*5113495bSYour Name
qdf_tracker_unit_test(void)89*5113495bSYour Name uint32_t qdf_tracker_unit_test(void)
90*5113495bSYour Name {
91*5113495bSYour Name uint32_t errors = 0;
92*5113495bSYour Name
93*5113495bSYour Name errors += qdf_tracker_test_empty();
94*5113495bSYour Name errors += qdf_tracker_test_add_remove();
95*5113495bSYour Name
96*5113495bSYour Name return errors;
97*5113495bSYour Name }
98*5113495bSYour Name #endif
99