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Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/mmap.c')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/mmap.c56
1 files changed, 21 insertions, 35 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/mmap.c b/tools/testing/selftests/bpf/prog_tests/mmap.c
index 051a6d48762c..16a814eb4d64 100644
--- a/tools/testing/selftests/bpf/prog_tests/mmap.c
+++ b/tools/testing/selftests/bpf/prog_tests/mmap.c
@@ -1,16 +1,12 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include <sys/mman.h>
+#include "test_mmap.skel.h"
struct map_data {
__u64 val[512 * 4];
};
-struct bss_data {
- __u64 in_val;
- __u64 out_val;
-};
-
static size_t roundup_page(size_t sz)
{
long page_size = sysconf(_SC_PAGE_SIZE);
@@ -19,41 +15,25 @@ static size_t roundup_page(size_t sz)
void test_mmap(void)
{
- const char *file = "test_mmap.o";
- const char *probe_name = "raw_tracepoint/sys_enter";
- const char *tp_name = "sys_enter";
- const size_t bss_sz = roundup_page(sizeof(struct bss_data));
+ const size_t bss_sz = roundup_page(sizeof(struct test_mmap__bss));
const size_t map_sz = roundup_page(sizeof(struct map_data));
const int zero = 0, one = 1, two = 2, far = 1500;
const long page_size = sysconf(_SC_PAGE_SIZE);
int err, duration = 0, i, data_map_fd;
- struct bpf_program *prog;
- struct bpf_object *obj;
- struct bpf_link *link = NULL;
struct bpf_map *data_map, *bss_map;
void *bss_mmaped = NULL, *map_mmaped = NULL, *tmp1, *tmp2;
- volatile struct bss_data *bss_data;
- volatile struct map_data *map_data;
+ struct test_mmap__bss *bss_data;
+ struct map_data *map_data;
+ struct test_mmap *skel;
__u64 val = 0;
- obj = bpf_object__open_file("test_mmap.o", NULL);
- if (CHECK(IS_ERR(obj), "obj_open", "failed to open '%s': %ld\n",
- file, PTR_ERR(obj)))
+
+ skel = test_mmap__open_and_load();
+ if (CHECK(!skel, "skel_open_and_load", "skeleton open/load failed\n"))
return;
- prog = bpf_object__find_program_by_title(obj, probe_name);
- if (CHECK(!prog, "find_probe", "prog '%s' not found\n", probe_name))
- goto cleanup;
- err = bpf_object__load(obj);
- if (CHECK(err, "obj_load", "failed to load prog '%s': %d\n",
- probe_name, err))
- goto cleanup;
- bss_map = bpf_object__find_map_by_name(obj, "test_mma.bss");
- if (CHECK(!bss_map, "find_bss_map", ".bss map not found\n"))
- goto cleanup;
- data_map = bpf_object__find_map_by_name(obj, "data_map");
- if (CHECK(!data_map, "find_data_map", "data_map map not found\n"))
- goto cleanup;
+ bss_map = skel->maps.bss;
+ data_map = skel->maps.data_map;
data_map_fd = bpf_map__fd(data_map);
bss_mmaped = mmap(NULL, bss_sz, PROT_READ | PROT_WRITE, MAP_SHARED,
@@ -77,13 +57,15 @@ void test_mmap(void)
CHECK_FAIL(bss_data->in_val);
CHECK_FAIL(bss_data->out_val);
+ CHECK_FAIL(skel->bss->in_val);
+ CHECK_FAIL(skel->bss->out_val);
CHECK_FAIL(map_data->val[0]);
CHECK_FAIL(map_data->val[1]);
CHECK_FAIL(map_data->val[2]);
CHECK_FAIL(map_data->val[far]);
- link = bpf_program__attach_raw_tracepoint(prog, tp_name);
- if (CHECK(IS_ERR(link), "attach_raw_tp", "err %ld\n", PTR_ERR(link)))
+ err = test_mmap__attach(skel);
+ if (CHECK(err, "attach_raw_tp", "err %d\n", err))
goto cleanup;
bss_data->in_val = 123;
@@ -94,6 +76,8 @@ void test_mmap(void)
CHECK_FAIL(bss_data->in_val != 123);
CHECK_FAIL(bss_data->out_val != 123);
+ CHECK_FAIL(skel->bss->in_val != 123);
+ CHECK_FAIL(skel->bss->out_val != 123);
CHECK_FAIL(map_data->val[0] != 111);
CHECK_FAIL(map_data->val[1] != 222);
CHECK_FAIL(map_data->val[2] != 123);
@@ -160,6 +144,8 @@ void test_mmap(void)
usleep(1);
CHECK_FAIL(bss_data->in_val != 321);
CHECK_FAIL(bss_data->out_val != 321);
+ CHECK_FAIL(skel->bss->in_val != 321);
+ CHECK_FAIL(skel->bss->out_val != 321);
CHECK_FAIL(map_data->val[0] != 111);
CHECK_FAIL(map_data->val[1] != 222);
CHECK_FAIL(map_data->val[2] != 321);
@@ -203,6 +189,8 @@ void test_mmap(void)
map_data = tmp2;
CHECK_FAIL(bss_data->in_val != 321);
CHECK_FAIL(bss_data->out_val != 321);
+ CHECK_FAIL(skel->bss->in_val != 321);
+ CHECK_FAIL(skel->bss->out_val != 321);
CHECK_FAIL(map_data->val[0] != 111);
CHECK_FAIL(map_data->val[1] != 222);
CHECK_FAIL(map_data->val[2] != 321);
@@ -214,7 +202,5 @@ cleanup:
CHECK_FAIL(munmap(bss_mmaped, bss_sz));
if (map_mmaped)
CHECK_FAIL(munmap(map_mmaped, map_sz));
- if (!IS_ERR_OR_NULL(link))
- bpf_link__destroy(link);
- bpf_object__close(obj);
+ test_mmap__destroy(skel);
}