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selftests/bpf: Convert sockmap_basic test to ASSERT_* macros 

Convert the selftest to use the preferred ASSERT_* macros instead of the
deprecated CHECK().

Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/1664169131-32405-2-git-send-email-wangyufen@huawei.com
This commit is contained in:
Wang Yufen 2022-09-26 13:12:01 +08:00 committed by Andrii Nakryiko
parent aa55dfd378
commit 38e35e1d0c
1 changed files with 33 additions and 54 deletions
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87
tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
View File

@ -27,21 +27,21 @@ static int connected_socket_v4(void)
int s, repair, err;
s = socket(AF_INET, SOCK_STREAM, 0);
if (CHECK_FAIL(s == -1))
if (!ASSERT_GE(s, 0, "socket"))
goto error;
repair = TCP_REPAIR_ON;
err = setsockopt(s, SOL_TCP, TCP_REPAIR, &repair, sizeof(repair));
if (CHECK_FAIL(err))
if (!ASSERT_OK(err, "setsockopt(TCP_REPAIR)"))
goto error;
err = connect(s, (struct sockaddr *)&addr, len);
if (CHECK_FAIL(err))
if (!ASSERT_OK(err, "connect"))
goto error;
repair = TCP_REPAIR_OFF_NO_WP;
err = setsockopt(s, SOL_TCP, TCP_REPAIR, &repair, sizeof(repair));
if (CHECK_FAIL(err))
if (!ASSERT_OK(err, "setsockopt(TCP_REPAIR)"))
goto error;
return s;
@ -54,7 +54,7 @@ error:
static void compare_cookies(struct bpf_map *src, struct bpf_map *dst)
{
__u32 i, max_entries = bpf_map__max_entries(src);
int err, duration = 0, src_fd, dst_fd;
int err, src_fd, dst_fd;
src_fd = bpf_map__fd(src);
dst_fd = bpf_map__fd(dst);
@ -65,20 +65,18 @@ static void compare_cookies(struct bpf_map *src, struct bpf_map *dst)
err = bpf_map_lookup_elem(src_fd, &i, &src_cookie);
if (err && errno == ENOENT) {
err = bpf_map_lookup_elem(dst_fd, &i, &dst_cookie);
CHECK(!err, "map_lookup_elem(dst)", "element %u not deleted\n", i);
CHECK(err && errno != ENOENT, "map_lookup_elem(dst)", "%s\n",
strerror(errno));
ASSERT_ERR(err, "map_lookup_elem(dst)");
ASSERT_EQ(errno, ENOENT, "map_lookup_elem(dst)");
continue;
}
if (CHECK(err, "lookup_elem(src)", "%s\n", strerror(errno)))
if (!ASSERT_OK(err, "lookup_elem(src)"))
continue;
err = bpf_map_lookup_elem(dst_fd, &i, &dst_cookie);
if (CHECK(err, "lookup_elem(dst)", "%s\n", strerror(errno)))
if (!ASSERT_OK(err, "lookup_elem(dst)"))
continue;
CHECK(dst_cookie != src_cookie, "cookie mismatch",
"%llu != %llu (pos %u)\n", dst_cookie, src_cookie, i);
ASSERT_EQ(dst_cookie, src_cookie, "cookie mismatch");
}
}
@ -89,20 +87,16 @@ static void test_sockmap_create_update_free(enum bpf_map_type map_type)
int s, map, err;
s = connected_socket_v4();
if (CHECK_FAIL(s < 0))
if (!ASSERT_GE(s, 0, "connected_socket_v4"))
return;
map = bpf_map_create(map_type, NULL, sizeof(int), sizeof(int), 1, NULL);
if (CHECK_FAIL(map < 0)) {
perror("bpf_cmap_create");
if (!ASSERT_GE(map, 0, "bpf_map_create"))
goto out;
}
err = bpf_map_update_elem(map, &zero, &s, BPF_NOEXIST);
if (CHECK_FAIL(err)) {
perror("bpf_map_update");
if (!ASSERT_OK(err, "bpf_map_update"))
goto out;
}
out:
close(map);
@ -115,32 +109,26 @@ static void test_skmsg_helpers(enum bpf_map_type map_type)
int err, map, verdict;
skel = test_skmsg_load_helpers__open_and_load();
if (CHECK_FAIL(!skel)) {
perror("test_skmsg_load_helpers__open_and_load");
if (!ASSERT_OK_PTR(skel, "test_skmsg_load_helpers__open_and_load"))
return;
}
verdict = bpf_program__fd(skel->progs.prog_msg_verdict);
map = bpf_map__fd(skel->maps.sock_map);
err = bpf_prog_attach(verdict, map, BPF_SK_MSG_VERDICT, 0);
if (CHECK_FAIL(err)) {
perror("bpf_prog_attach");
if (!ASSERT_OK(err, "bpf_prog_attach"))
goto out;
}
err = bpf_prog_detach2(verdict, map, BPF_SK_MSG_VERDICT);
if (CHECK_FAIL(err)) {
perror("bpf_prog_detach2");
if (!ASSERT_OK(err, "bpf_prog_detach2"))
goto out;
}
out:
test_skmsg_load_helpers__destroy(skel);
}
static void test_sockmap_update(enum bpf_map_type map_type)
{
int err, prog, src, duration = 0;
int err, prog, src;
struct test_sockmap_update *skel;
struct bpf_map *dst_map;
const __u32 zero = 0;
@ -153,11 +141,11 @@ static void test_sockmap_update(enum bpf_map_type map_type)
__s64 sk;
sk = connected_socket_v4();
if (CHECK(sk == -1, "connected_socket_v4", "cannot connect\n"))
if (!ASSERT_NEQ(sk, -1, "connected_socket_v4"))
return;
skel = test_sockmap_update__open_and_load();
if (CHECK(!skel, "open_and_load", "cannot load skeleton\n"))
if (!ASSERT_OK_PTR(skel, "open_and_load"))
goto close_sk;
prog = bpf_program__fd(skel->progs.copy_sock_map);
@ -168,7 +156,7 @@ static void test_sockmap_update(enum bpf_map_type map_type)
dst_map = skel->maps.dst_sock_hash;
err = bpf_map_update_elem(src, &zero, &sk, BPF_NOEXIST);
if (CHECK(err, "update_elem(src)", "errno=%u\n", errno))
if (!ASSERT_OK(err, "update_elem(src)"))
goto out;
err = bpf_prog_test_run_opts(prog, &topts);
@ -188,17 +176,16 @@ close_sk:
static void test_sockmap_invalid_update(void)
{
struct test_sockmap_invalid_update *skel;
int duration = 0;
skel = test_sockmap_invalid_update__open_and_load();
if (CHECK(skel, "open_and_load", "verifier accepted map_update\n"))
if (!ASSERT_NULL(skel, "open_and_load"))
test_sockmap_invalid_update__destroy(skel);
}
static void test_sockmap_copy(enum bpf_map_type map_type)
{
DECLARE_LIBBPF_OPTS(bpf_iter_attach_opts, opts);
int err, len, src_fd, iter_fd, duration = 0;
int err, len, src_fd, iter_fd;
union bpf_iter_link_info linfo = {};
__u32 i, num_sockets, num_elems;
struct bpf_iter_sockmap *skel;
@ -208,7 +195,7 @@ static void test_sockmap_copy(enum bpf_map_type map_type)
char buf[64];
skel = bpf_iter_sockmap__open_and_load();
if (CHECK(!skel, "bpf_iter_sockmap__open_and_load", "skeleton open_and_load failed\n"))
if (!ASSERT_OK_PTR(skel, "bpf_iter_sockmap__open_and_load"))
return;
if (map_type == BPF_MAP_TYPE_SOCKMAP) {
@ -222,7 +209,7 @@ static void test_sockmap_copy(enum bpf_map_type map_type)
}
sock_fd = calloc(num_sockets, sizeof(*sock_fd));
if (CHECK(!sock_fd, "calloc(sock_fd)", "failed to allocate\n"))
if (!ASSERT_OK_PTR(sock_fd, "calloc(sock_fd)"))
goto out;
for (i = 0; i < num_sockets; i++)
@ -232,11 +219,11 @@ static void test_sockmap_copy(enum bpf_map_type map_type)
for (i = 0; i < num_sockets; i++) {
sock_fd[i] = connected_socket_v4();
if (CHECK(sock_fd[i] == -1, "connected_socket_v4", "cannot connect\n"))
if (!ASSERT_NEQ(sock_fd[i], -1, "connected_socket_v4"))
goto out;
err = bpf_map_update_elem(src_fd, &i, &sock_fd[i], BPF_NOEXIST);
if (CHECK(err, "map_update", "failed: %s\n", strerror(errno)))
if (!ASSERT_OK(err, "map_update"))
goto out;
}
@ -248,22 +235,20 @@ static void test_sockmap_copy(enum bpf_map_type map_type)
goto out;
iter_fd = bpf_iter_create(bpf_link__fd(link));
if (CHECK(iter_fd < 0, "create_iter", "create_iter failed\n"))
if (!ASSERT_GE(iter_fd, 0, "create_iter"))
goto free_link;
/* do some tests */
while ((len = read(iter_fd, buf, sizeof(buf))) > 0)
;
if (CHECK(len < 0, "read", "failed: %s\n", strerror(errno)))
if (!ASSERT_GE(len, 0, "read"))
goto close_iter;
/* test results */
if (CHECK(skel->bss->elems != num_elems, "elems", "got %u expected %u\n",
skel->bss->elems, num_elems))
if (!ASSERT_EQ(skel->bss->elems, num_elems, "elems"))
goto close_iter;
if (CHECK(skel->bss->socks != num_sockets, "socks", "got %u expected %u\n",
skel->bss->socks, num_sockets))
if (!ASSERT_EQ(skel->bss->socks, num_sockets, "socks"))
goto close_iter;
compare_cookies(src, skel->maps.dst);
@ -288,28 +273,22 @@ static void test_sockmap_skb_verdict_attach(enum bpf_attach_type first,
int err, map, verdict;
skel = test_sockmap_skb_verdict_attach__open_and_load();
if (CHECK_FAIL(!skel)) {
perror("test_sockmap_skb_verdict_attach__open_and_load");
if (!ASSERT_OK_PTR(skel, "open_and_load"))
return;
}
verdict = bpf_program__fd(skel->progs.prog_skb_verdict);
map = bpf_map__fd(skel->maps.sock_map);
err = bpf_prog_attach(verdict, map, first, 0);
if (CHECK_FAIL(err)) {
perror("bpf_prog_attach");
if (!ASSERT_OK(err, "bpf_prog_attach"))
goto out;
}
err = bpf_prog_attach(verdict, map, second, 0);
ASSERT_EQ(err, -EBUSY, "prog_attach_fail");
err = bpf_prog_detach2(verdict, map, first);
if (CHECK_FAIL(err)) {
perror("bpf_prog_detach2");
if (!ASSERT_OK(err, "bpf_prog_detach2"))
goto out;
}
out:
test_sockmap_skb_verdict_attach__destroy(skel);
}