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Date: Tue, 21 Nov 2023 05:35:39 +0530
From: Yuran Pereira <yuran.pereira@...mail.com>
To: bpf@...r.kernel.org
Cc: Yuran Pereira <yuran.pereira@...mail.com>, andrii@...nel.org,
ast@...nel.org, haoluo@...gle.com, john.fastabend@...il.com,
jolsa@...nel.org, kpsingh@...nel.org,
linux-kernel-mentees@...ts.linuxfoundation.org,
linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
martin.lau@...ux.dev, mykolal@...com, sdf@...gle.com,
shuah@...nel.org, song@...nel.org, yonghong.song@...ux.dev
Subject: [PATCH bpf-next v3 1/4] selftests/bpf: Replaces the usage of CHECK calls for ASSERTs in bpf_tcp_ca
bpf_tcp_ca uses the `CHECK` calls even though the use of
ASSERT_ series of macros is preferred in the bpf selftests.
This patch replaces all `CHECK` calls for equivalent `ASSERT_`
macro calls.
Signed-off-by: Yuran Pereira <yuran.pereira@...mail.com>
---
.../selftests/bpf/prog_tests/bpf_tcp_ca.c | 48 +++++++++----------
1 file changed, 22 insertions(+), 26 deletions(-)
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
index 4aabeaa525d4..a88e6e07e4f5 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
@@ -20,15 +20,14 @@
static const unsigned int total_bytes = 10 * 1024 * 1024;
static int expected_stg = 0xeB9F;
-static int stop, duration;
+static int stop;
static int settcpca(int fd, const char *tcp_ca)
{
int err;
err = setsockopt(fd, IPPROTO_TCP, TCP_CONGESTION, tcp_ca, strlen(tcp_ca));
- if (CHECK(err == -1, "setsockopt(fd, TCP_CONGESTION)", "errno:%d\n",
- errno))
+ if (!ASSERT_NEQ(err, -1, "setsockopt"))
return -1;
return 0;
@@ -65,8 +64,7 @@ static void *server(void *arg)
bytes += nr_sent;
}
- CHECK(bytes != total_bytes, "send", "%zd != %u nr_sent:%zd errno:%d\n",
- bytes, total_bytes, nr_sent, errno);
+ ASSERT_EQ(bytes, total_bytes, "send");
done:
if (fd >= 0)
@@ -92,10 +90,11 @@ static void do_test(const char *tcp_ca, const struct bpf_map *sk_stg_map)
WRITE_ONCE(stop, 0);
lfd = socket(AF_INET6, SOCK_STREAM, 0);
- if (CHECK(lfd == -1, "socket", "errno:%d\n", errno))
+ if (!ASSERT_NEQ(lfd, -1, "socket"))
return;
+
fd = socket(AF_INET6, SOCK_STREAM, 0);
- if (CHECK(fd == -1, "socket", "errno:%d\n", errno)) {
+ if (!ASSERT_NEQ(fd, -1, "socket")) {
close(lfd);
return;
}
@@ -108,26 +107,27 @@ static void do_test(const char *tcp_ca, const struct bpf_map *sk_stg_map)
sa6.sin6_family = AF_INET6;
sa6.sin6_addr = in6addr_loopback;
err = bind(lfd, (struct sockaddr *)&sa6, addrlen);
- if (CHECK(err == -1, "bind", "errno:%d\n", errno))
+ if (!ASSERT_NEQ(err, -1, "bind"))
goto done;
+
err = getsockname(lfd, (struct sockaddr *)&sa6, &addrlen);
- if (CHECK(err == -1, "getsockname", "errno:%d\n", errno))
+ if (!ASSERT_NEQ(err, -1, "getsockname"))
goto done;
+
err = listen(lfd, 1);
- if (CHECK(err == -1, "listen", "errno:%d\n", errno))
+ if (!ASSERT_NEQ(err, -1, "listen"))
goto done;
if (sk_stg_map) {
err = bpf_map_update_elem(bpf_map__fd(sk_stg_map), &fd,
&expected_stg, BPF_NOEXIST);
- if (CHECK(err, "bpf_map_update_elem(sk_stg_map)",
- "err:%d errno:%d\n", err, errno))
+ if (!ASSERT_OK(err, "bpf_map_update_elem(sk_stg_map)"))
goto done;
}
/* connect to server */
err = connect(fd, (struct sockaddr *)&sa6, addrlen);
- if (CHECK(err == -1, "connect", "errno:%d\n", errno))
+ if (!ASSERT_NEQ(err, -1, "connect"))
goto done;
if (sk_stg_map) {
@@ -135,14 +135,13 @@ static void do_test(const char *tcp_ca, const struct bpf_map *sk_stg_map)
err = bpf_map_lookup_elem(bpf_map__fd(sk_stg_map), &fd,
&tmp_stg);
- if (CHECK(!err || errno != ENOENT,
- "bpf_map_lookup_elem(sk_stg_map)",
- "err:%d errno:%d\n", err, errno))
+ if (!ASSERT_ERR(err, "bpf_map_lookup_elem(sk_stg_map)") ||
+ !ASSERT_EQ(errno, ENOENT, "bpf_map_lookup_elem(sk_stg_map)"))
goto done;
}
err = pthread_create(&srv_thread, NULL, server, (void *)(long)lfd);
- if (CHECK(err != 0, "pthread_create", "err:%d errno:%d\n", err, errno))
+ if (!ASSERT_OK(err, "pthread_create"))
goto done;
/* recv total_bytes */
@@ -156,13 +155,12 @@ static void do_test(const char *tcp_ca, const struct bpf_map *sk_stg_map)
bytes += nr_recv;
}
- CHECK(bytes != total_bytes, "recv", "%zd != %u nr_recv:%zd errno:%d\n",
- bytes, total_bytes, nr_recv, errno);
+ ASSERT_EQ(bytes, total_bytes, "recv");
WRITE_ONCE(stop, 1);
pthread_join(srv_thread, &thread_ret);
- CHECK(IS_ERR(thread_ret), "pthread_join", "thread_ret:%ld",
- PTR_ERR(thread_ret));
+ ASSERT_OK(IS_ERR(thread_ret), "thread_ret");
+
done:
close(lfd);
close(fd);
@@ -174,7 +172,7 @@ static void test_cubic(void)
struct bpf_link *link;
cubic_skel = bpf_cubic__open_and_load();
- if (CHECK(!cubic_skel, "bpf_cubic__open_and_load", "failed\n"))
+ if (!ASSERT_OK_PTR(cubic_skel, "bpf_cubic__open_and_load"))
return;
link = bpf_map__attach_struct_ops(cubic_skel->maps.cubic);
@@ -197,7 +195,7 @@ static void test_dctcp(void)
struct bpf_link *link;
dctcp_skel = bpf_dctcp__open_and_load();
- if (CHECK(!dctcp_skel, "bpf_dctcp__open_and_load", "failed\n"))
+ if (!ASSERT_OK_PTR(dctcp_skel, "bpf_dctcp__open_and_load"))
return;
link = bpf_map__attach_struct_ops(dctcp_skel->maps.dctcp);
@@ -207,9 +205,7 @@ static void test_dctcp(void)
}
do_test("bpf_dctcp", dctcp_skel->maps.sk_stg_map);
- CHECK(dctcp_skel->bss->stg_result != expected_stg,
- "Unexpected stg_result", "stg_result (%x) != expected_stg (%x)\n",
- dctcp_skel->bss->stg_result, expected_stg);
+ ASSERT_EQ(dctcp_skel->bss->stg_result, expected_stg, "stg_result");
bpf_link__destroy(link);
bpf_dctcp__destroy(dctcp_skel);
--
2.25.1
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