1// SPDX-License-Identifier: GPL-2.0
  2#include <test_progs.h>
  3#include "percpu_alloc_array.skel.h"
  4#include "percpu_alloc_cgrp_local_storage.skel.h"
  5#include "percpu_alloc_fail.skel.h"
  6
  7static void test_array(void)
  8{
  9	struct percpu_alloc_array *skel;
 10	int err, prog_fd;
 11	LIBBPF_OPTS(bpf_test_run_opts, topts);
 12
 13	skel = percpu_alloc_array__open();
 14	if (!ASSERT_OK_PTR(skel, "percpu_alloc_array__open"))
 15		return;
 16
 17	bpf_program__set_autoload(skel->progs.test_array_map_1, true);
 18	bpf_program__set_autoload(skel->progs.test_array_map_2, true);
 19	bpf_program__set_autoload(skel->progs.test_array_map_3, true);
 20	bpf_program__set_autoload(skel->progs.test_array_map_4, true);
 21
 22	skel->bss->my_pid = getpid();
 23	skel->rodata->nr_cpus = libbpf_num_possible_cpus();
 24
 25	err = percpu_alloc_array__load(skel);
 26	if (!ASSERT_OK(err, "percpu_alloc_array__load"))
 27		goto out;
 28
 29	err = percpu_alloc_array__attach(skel);
 30	if (!ASSERT_OK(err, "percpu_alloc_array__attach"))
 31		goto out;
 32
 33	prog_fd = bpf_program__fd(skel->progs.test_array_map_1);
 34	err = bpf_prog_test_run_opts(prog_fd, &topts);
 35	ASSERT_OK(err, "test_run array_map 1-4");
 36	ASSERT_EQ(topts.retval, 0, "test_run array_map 1-4");
 37	ASSERT_EQ(skel->bss->cpu0_field_d, 2, "cpu0_field_d");
 38	ASSERT_EQ(skel->bss->sum_field_c, 1, "sum_field_c");
 39out:
 40	percpu_alloc_array__destroy(skel);
 41}
 42
 43static void test_array_sleepable(void)
 44{
 45	struct percpu_alloc_array *skel;
 46	int err, prog_fd;
 47	LIBBPF_OPTS(bpf_test_run_opts, topts);
 48
 49	skel = percpu_alloc_array__open();
 50	if (!ASSERT_OK_PTR(skel, "percpu_alloc__open"))
 51		return;
 52
 53	bpf_program__set_autoload(skel->progs.test_array_map_10, true);
 54
 55	skel->bss->my_pid = getpid();
 56	skel->rodata->nr_cpus = libbpf_num_possible_cpus();
 57
 58	err = percpu_alloc_array__load(skel);
 59	if (!ASSERT_OK(err, "percpu_alloc_array__load"))
 60		goto out;
 61
 62	err = percpu_alloc_array__attach(skel);
 63	if (!ASSERT_OK(err, "percpu_alloc_array__attach"))
 64		goto out;
 65
 66	prog_fd = bpf_program__fd(skel->progs.test_array_map_10);
 67	err = bpf_prog_test_run_opts(prog_fd, &topts);
 68	ASSERT_OK(err, "test_run array_map_10");
 69	ASSERT_EQ(topts.retval, 0, "test_run array_map_10");
 70	ASSERT_EQ(skel->bss->cpu0_field_d, 2, "cpu0_field_d");
 71	ASSERT_EQ(skel->bss->sum_field_c, 1, "sum_field_c");
 72out:
 73	percpu_alloc_array__destroy(skel);
 74}
 75
 76static void test_cgrp_local_storage(void)
 77{
 78	struct percpu_alloc_cgrp_local_storage *skel;
 79	int err, cgroup_fd, prog_fd;
 80	LIBBPF_OPTS(bpf_test_run_opts, topts);
 81
 82	cgroup_fd = test__join_cgroup("/percpu_alloc");
 83	if (!ASSERT_GE(cgroup_fd, 0, "join_cgroup /percpu_alloc"))
 84		return;
 85
 86	skel = percpu_alloc_cgrp_local_storage__open();
 87	if (!ASSERT_OK_PTR(skel, "percpu_alloc_cgrp_local_storage__open"))
 88		goto close_fd;
 89
 90	skel->bss->my_pid = getpid();
 91	skel->rodata->nr_cpus = libbpf_num_possible_cpus();
 92
 93	err = percpu_alloc_cgrp_local_storage__load(skel);
 94	if (!ASSERT_OK(err, "percpu_alloc_cgrp_local_storage__load"))
 95		goto destroy_skel;
 96
 97	err = percpu_alloc_cgrp_local_storage__attach(skel);
 98	if (!ASSERT_OK(err, "percpu_alloc_cgrp_local_storage__attach"))
 99		goto destroy_skel;
100
101	prog_fd = bpf_program__fd(skel->progs.test_cgrp_local_storage_1);
102	err = bpf_prog_test_run_opts(prog_fd, &topts);
103	ASSERT_OK(err, "test_run cgrp_local_storage 1-3");
104	ASSERT_EQ(topts.retval, 0, "test_run cgrp_local_storage 1-3");
105	ASSERT_EQ(skel->bss->cpu0_field_d, 2, "cpu0_field_d");
106	ASSERT_EQ(skel->bss->sum_field_c, 1, "sum_field_c");
107
108destroy_skel:
109	percpu_alloc_cgrp_local_storage__destroy(skel);
110close_fd:
111	close(cgroup_fd);
112}
113
114static void test_failure(void) {
115	RUN_TESTS(percpu_alloc_fail);
116}
117
118void test_percpu_alloc(void)
119{
120	if (test__start_subtest("array"))
121		test_array();
122	if (test__start_subtest("array_sleepable"))
123		test_array_sleepable();
124	if (test__start_subtest("cgrp_local_storage"))
125		test_cgrp_local_storage();
126	if (test__start_subtest("failure_tests"))
127		test_failure();
128}