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selftests/bpf: Use connect_fd_to_fd in sk_lookup

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This patch uses public helper connect_fd_to_fd() exported in
network_helpers.h instead of using getsockname() + connect() in
run_lookup_prog() in prog_tests/sk_lookup.c. This can simplify
the code.

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Link: https://lore.kernel.org/r/7077c277cde5a1864cdc244727162fb75c8bb9c5.1720515893.git.tanggeliang@kylinos.cn
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
This commit is contained in:
Geliang Tang 2024-07-09 17:16:22 +08:00 committed by Martin KaFai Lau
parent d9810c43f6
commit 9004054b16
1 changed files with 3 additions and 9 deletions
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12
tools/testing/selftests/bpf/prog_tests/sk_lookup.c
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@ -633,9 +633,6 @@ static void run_lookup_prog(const struct test *t)
* BPF socket lookup.
*/
if (t->reuseport_has_conns) {
struct sockaddr_storage addr = {};
socklen_t len = sizeof(addr);
/* Add an extra socket to reuseport group */
reuse_conn_fd = make_server(t->sotype, t->listen_at.ip,
t->listen_at.port,
@ -643,12 +640,9 @@ static void run_lookup_prog(const struct test *t)
if (reuse_conn_fd < 0)
goto close;
/* Connect the extra socket to itself */
err = getsockname(reuse_conn_fd, (void *)&addr, &len);
if (CHECK(err, "getsockname", "errno %d\n", errno))
goto close;
err = connect(reuse_conn_fd, (void *)&addr, len);
if (CHECK(err, "connect", "errno %d\n", errno))
/* Connect the extra socket to itself */
err = connect_fd_to_fd(reuse_conn_fd, reuse_conn_fd, 0);
if (!ASSERT_OK(err, "connect_fd_to_fd"))
goto close;
}