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selftests/bpf: Allow auto port binding for bpf nf

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Allow auto port binding for bpf nf test to avoid binding conflict.

./test_progs -a bpf_nf
24/1    bpf_nf/xdp-ct:OK
24/2    bpf_nf/tc-bpf-ct:OK
24/3    bpf_nf/alloc_release:OK
24/4    bpf_nf/insert_insert:OK
24/5    bpf_nf/lookup_insert:OK
24/6    bpf_nf/set_timeout_after_insert:OK
24/7    bpf_nf/set_status_after_insert:OK
24/8    bpf_nf/change_timeout_after_alloc:OK
24/9    bpf_nf/change_status_after_alloc:OK
24/10   bpf_nf/write_not_allowlisted_field:OK
24      bpf_nf:OK
Summary: 1/10 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Jiayuan Chen <jiayuan.chen@linux.dev>
Link: https://lore.kernel.org/r/20250227142646.59711-3-jiayuan.chen@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Jiayuan Chen 2025-02-27 22:26:45 +08:00 committed by Alexei Starovoitov
parent acf0d6f681
commit 93a279b65a
1 changed files with 6 additions and 3 deletions
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9
tools/testing/selftests/bpf/prog_tests/bpf_nf.c
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@ -72,11 +72,14 @@ static void test_bpf_nf_ct(int mode)
if (!ASSERT_OK(system(cmd), cmd))
goto end;
srv_port = (mode == TEST_XDP) ? 5005 : 5006;
srv_fd = start_server(AF_INET, SOCK_STREAM, "127.0.0.1", srv_port, TIMEOUT_MS);
srv_fd = start_server(AF_INET, SOCK_STREAM, "127.0.0.1", 0, TIMEOUT_MS);
if (!ASSERT_GE(srv_fd, 0, "start_server"))
goto end;
srv_port = get_socket_local_port(srv_fd);
if (!ASSERT_GE(srv_port, 0, "get_sock_local_port"))
goto end;
client_fd = connect_to_server(srv_fd);
if (!ASSERT_GE(client_fd, 0, "connect_to_server"))
goto end;
@ -91,7 +94,7 @@ static void test_bpf_nf_ct(int mode)
skel->bss->saddr = peer_addr.sin_addr.s_addr;
skel->bss->sport = peer_addr.sin_port;
skel->bss->daddr = peer_addr.sin_addr.s_addr;
skel->bss->dport = htons(srv_port);
skel->bss->dport = srv_port;
if (mode == TEST_XDP)
prog_fd = bpf_program__fd(skel->progs.nf_xdp_ct_test);