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author | Michal Luczaj <mhal@rbox.co> | 2024-11-18 22:03:44 +0100 |
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committer | Alexei Starovoitov <ast@kernel.org> | 2024-11-25 14:19:14 -0800 |
commit | 515745445e92500e8916ffe29cc4893ad97517b8 (patch) | |
tree | 277563a656036ffd64b13cb03e35bb71a0edb57c /tools/testing/selftests/bpf/prog_tests/sockmap_basic.c | |
parent | 135ffc7becc82cfb84936ae133da7969220b43b2 (diff) | |
download | lwn-515745445e92500e8916ffe29cc4893ad97517b8.tar.gz lwn-515745445e92500e8916ffe29cc4893ad97517b8.zip |
selftest/bpf: Add test for vsock removal from sockmap on close()
Make sure the proto::close callback gets invoked on vsock release.
Signed-off-by: Michal Luczaj <mhal@rbox.co>
Acked-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20241118-vsock-bpf-poll-close-v1-4-f1b9669cacdc@rbox.co
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/sockmap_basic.c')
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/sockmap_basic.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c index 6a9aab2d051a..fdff0652d7ef 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c @@ -108,6 +108,35 @@ out: close(s); } +static void test_sockmap_vsock_delete_on_close(void) +{ + int err, c, p, map; + const int zero = 0; + + err = create_pair(AF_VSOCK, SOCK_STREAM, &c, &p); + if (!ASSERT_OK(err, "create_pair(AF_VSOCK)")) + return; + + map = bpf_map_create(BPF_MAP_TYPE_SOCKMAP, NULL, sizeof(int), + sizeof(int), 1, NULL); + if (!ASSERT_GE(map, 0, "bpf_map_create")) { + close(c); + goto out; + } + + err = bpf_map_update_elem(map, &zero, &c, BPF_NOEXIST); + close(c); + if (!ASSERT_OK(err, "bpf_map_update")) + goto out; + + err = bpf_map_update_elem(map, &zero, &p, BPF_NOEXIST); + ASSERT_OK(err, "after close(), bpf_map_update"); + +out: + close(p); + close(map); +} + static void test_skmsg_helpers(enum bpf_map_type map_type) { struct test_skmsg_load_helpers *skel; @@ -987,6 +1016,8 @@ void test_sockmap_basic(void) test_sockmap_create_update_free(BPF_MAP_TYPE_SOCKMAP); if (test__start_subtest("sockhash create_update_free")) test_sockmap_create_update_free(BPF_MAP_TYPE_SOCKHASH); + if (test__start_subtest("sockmap vsock delete on close")) + test_sockmap_vsock_delete_on_close(); if (test__start_subtest("sockmap sk_msg load helpers")) test_skmsg_helpers(BPF_MAP_TYPE_SOCKMAP); if (test__start_subtest("sockhash sk_msg load helpers")) |