Add four tests for verdict skmsg to closed socket in sockmap_basic.c. Signed-off-by: Liu Jian <liujian56@xxxxxxxxxx> --- .../selftests/bpf/prog_tests/sockmap_basic.c | 42 +++++++++++++++---- 1 file changed, 34 insertions(+), 8 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c index 37b0c05b77ff..689e904cc11e 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c @@ -476,9 +476,10 @@ static void test_sockmap_skb_verdict_fionread(bool pass_prog) test_sockmap_drop_prog__destroy(drop); } -static void test_sockmap_msg_verdict(bool is_ingress, bool is_permanently, bool is_self) +static void test_sockmap_msg_verdict(bool is_ingress, bool is_permanently, bool is_self, + bool target_shutdown) { - int key, sent, recvd, recv_fd; + int key, sent, recvd, recv_fd, target_fd; int err, map, verdict, s, c0, c1, p0, p1; struct test_sockmap_msg_verdict *skel; char buf[256] = "0123456789"; @@ -522,18 +523,22 @@ static void test_sockmap_msg_verdict(bool is_ingress, bool is_permanently, bool skel->bss->skmsg_redir_flags = BPF_F_INGRESS; if (is_self) { skel->bss->skmsg_redir_key = 0; + target_fd = p1; recv_fd = p1; } else { skel->bss->skmsg_redir_key = 1; + target_fd = c1; recv_fd = c1; } } else { skel->bss->skmsg_redir_flags = 0; if (is_self) { skel->bss->skmsg_redir_key = 0; + target_fd = p1; recv_fd = c1; } else { skel->bss->skmsg_redir_key = 2; + target_fd = p0; recv_fd = c0; } } @@ -546,6 +551,19 @@ static void test_sockmap_msg_verdict(bool is_ingress, bool is_permanently, bool recvd = recv_timeout(recv_fd, &buf, sizeof(buf), SOCK_NONBLOCK, IO_TIMEOUT_SEC); ASSERT_EQ(recvd, sizeof(buf), "recv_timeout(recv_fd)"); + if (target_shutdown) { + signal(SIGPIPE, SIG_IGN); + close(target_fd); + sent = send(p1, &buf, sizeof(buf), 0); + if (is_permanently) { + ASSERT_EQ(sent, -1, "xsend(p1)"); + ASSERT_EQ(errno, EPIPE, "xsend(p1)"); + } else { + ASSERT_EQ(sent, sizeof(buf), "xsend(p1)"); + } + goto out_close; + } + sent = xsend(p1, &buf, sizeof(buf), 0); ASSERT_EQ(sent, sizeof(buf), "xsend(p1)"); recvd = recv_timeout(recv_fd, &buf, sizeof(buf), SOCK_NONBLOCK, IO_TIMEOUT_SEC); @@ -600,15 +618,23 @@ void test_sockmap_basic(void) if (test__start_subtest("sockmap skb_verdict fionread on drop")) test_sockmap_skb_verdict_fionread(false); if (test__start_subtest("sockmap msg_verdict")) - test_sockmap_msg_verdict(false, false, false); + test_sockmap_msg_verdict(false, false, false, false); if (test__start_subtest("sockmap msg_verdict ingress")) - test_sockmap_msg_verdict(true, false, false); + test_sockmap_msg_verdict(true, false, false, false); if (test__start_subtest("sockmap msg_verdict permanently")) - test_sockmap_msg_verdict(false, true, false); + test_sockmap_msg_verdict(false, true, false, false); if (test__start_subtest("sockmap msg_verdict ingress permanently")) - test_sockmap_msg_verdict(true, true, false); + test_sockmap_msg_verdict(true, true, false, false); if (test__start_subtest("sockmap msg_verdict permanently self")) - test_sockmap_msg_verdict(false, true, true); + test_sockmap_msg_verdict(false, true, true, false); if (test__start_subtest("sockmap msg_verdict ingress permanently self")) - test_sockmap_msg_verdict(true, true, true); + test_sockmap_msg_verdict(true, true, true, false); + if (test__start_subtest("sockmap msg_verdict permanently shutdown")) + test_sockmap_msg_verdict(false, true, false, true); + if (test__start_subtest("sockmap msg_verdict ingress permanently shutdown")) + test_sockmap_msg_verdict(true, true, false, true); + if (test__start_subtest("sockmap msg_verdict shutdown")) + test_sockmap_msg_verdict(false, false, false, true); + if (test__start_subtest("sockmap msg_verdict ingress shutdown")) + test_sockmap_msg_verdict(true, false, false, true); } -- 2.34.1