xref: /linux/tools/testing/selftests/bpf/prog_tests/rbtree.c (revision e7d759f31ca295d589f7420719c311870bb3166f)
1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
3 
4 #include <test_progs.h>
5 #include <network_helpers.h>
6 
7 #include "rbtree.skel.h"
8 #include "rbtree_fail.skel.h"
9 #include "rbtree_btf_fail__wrong_node_type.skel.h"
10 #include "rbtree_btf_fail__add_wrong_type.skel.h"
11 
12 static void test_rbtree_add_nodes(void)
13 {
14 	LIBBPF_OPTS(bpf_test_run_opts, opts,
15 		    .data_in = &pkt_v4,
16 		    .data_size_in = sizeof(pkt_v4),
17 		    .repeat = 1,
18 	);
19 	struct rbtree *skel;
20 	int ret;
21 
22 	skel = rbtree__open_and_load();
23 	if (!ASSERT_OK_PTR(skel, "rbtree__open_and_load"))
24 		return;
25 
26 	ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.rbtree_add_nodes), &opts);
27 	ASSERT_OK(ret, "rbtree_add_nodes run");
28 	ASSERT_OK(opts.retval, "rbtree_add_nodes retval");
29 	ASSERT_EQ(skel->data->less_callback_ran, 1, "rbtree_add_nodes less_callback_ran");
30 
31 	rbtree__destroy(skel);
32 }
33 
34 static void test_rbtree_add_and_remove(void)
35 {
36 	LIBBPF_OPTS(bpf_test_run_opts, opts,
37 		    .data_in = &pkt_v4,
38 		    .data_size_in = sizeof(pkt_v4),
39 		    .repeat = 1,
40 	);
41 	struct rbtree *skel;
42 	int ret;
43 
44 	skel = rbtree__open_and_load();
45 	if (!ASSERT_OK_PTR(skel, "rbtree__open_and_load"))
46 		return;
47 
48 	ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.rbtree_add_and_remove), &opts);
49 	ASSERT_OK(ret, "rbtree_add_and_remove");
50 	ASSERT_OK(opts.retval, "rbtree_add_and_remove retval");
51 	ASSERT_EQ(skel->data->removed_key, 5, "rbtree_add_and_remove first removed key");
52 
53 	rbtree__destroy(skel);
54 }
55 
56 static void test_rbtree_first_and_remove(void)
57 {
58 	LIBBPF_OPTS(bpf_test_run_opts, opts,
59 		    .data_in = &pkt_v4,
60 		    .data_size_in = sizeof(pkt_v4),
61 		    .repeat = 1,
62 	);
63 	struct rbtree *skel;
64 	int ret;
65 
66 	skel = rbtree__open_and_load();
67 	if (!ASSERT_OK_PTR(skel, "rbtree__open_and_load"))
68 		return;
69 
70 	ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.rbtree_first_and_remove), &opts);
71 	ASSERT_OK(ret, "rbtree_first_and_remove");
72 	ASSERT_OK(opts.retval, "rbtree_first_and_remove retval");
73 	ASSERT_EQ(skel->data->first_data[0], 2, "rbtree_first_and_remove first rbtree_first()");
74 	ASSERT_EQ(skel->data->removed_key, 1, "rbtree_first_and_remove first removed key");
75 	ASSERT_EQ(skel->data->first_data[1], 4, "rbtree_first_and_remove second rbtree_first()");
76 
77 	rbtree__destroy(skel);
78 }
79 
80 static void test_rbtree_api_release_aliasing(void)
81 {
82 	LIBBPF_OPTS(bpf_test_run_opts, opts,
83 		    .data_in = &pkt_v4,
84 		    .data_size_in = sizeof(pkt_v4),
85 		    .repeat = 1,
86 	);
87 	struct rbtree *skel;
88 	int ret;
89 
90 	skel = rbtree__open_and_load();
91 	if (!ASSERT_OK_PTR(skel, "rbtree__open_and_load"))
92 		return;
93 
94 	ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.rbtree_api_release_aliasing), &opts);
95 	ASSERT_OK(ret, "rbtree_api_release_aliasing");
96 	ASSERT_OK(opts.retval, "rbtree_api_release_aliasing retval");
97 	ASSERT_EQ(skel->data->first_data[0], 42, "rbtree_api_release_aliasing first rbtree_remove()");
98 	ASSERT_EQ(skel->data->first_data[1], -1, "rbtree_api_release_aliasing second rbtree_remove()");
99 
100 	rbtree__destroy(skel);
101 }
102 
103 void test_rbtree_success(void)
104 {
105 	if (test__start_subtest("rbtree_add_nodes"))
106 		test_rbtree_add_nodes();
107 	if (test__start_subtest("rbtree_add_and_remove"))
108 		test_rbtree_add_and_remove();
109 	if (test__start_subtest("rbtree_first_and_remove"))
110 		test_rbtree_first_and_remove();
111 	if (test__start_subtest("rbtree_api_release_aliasing"))
112 		test_rbtree_api_release_aliasing();
113 }
114 
115 #define BTF_FAIL_TEST(suffix)									\
116 void test_rbtree_btf_fail__##suffix(void)							\
117 {												\
118 	struct rbtree_btf_fail__##suffix *skel;							\
119 												\
120 	skel = rbtree_btf_fail__##suffix##__open_and_load();					\
121 	if (!ASSERT_ERR_PTR(skel,								\
122 			    "rbtree_btf_fail__" #suffix "__open_and_load unexpected success"))	\
123 		rbtree_btf_fail__##suffix##__destroy(skel);					\
124 }
125 
126 #define RUN_BTF_FAIL_TEST(suffix)				\
127 	if (test__start_subtest("rbtree_btf_fail__" #suffix))	\
128 		test_rbtree_btf_fail__##suffix();
129 
130 BTF_FAIL_TEST(wrong_node_type);
131 BTF_FAIL_TEST(add_wrong_type);
132 
133 void test_rbtree_btf_fail(void)
134 {
135 	RUN_BTF_FAIL_TEST(wrong_node_type);
136 	RUN_BTF_FAIL_TEST(add_wrong_type);
137 }
138 
139 void test_rbtree_fail(void)
140 {
141 	RUN_TESTS(rbtree_fail);
142 }
143