diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/sk_lookup.c')
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/sk_lookup.c | 82 |
1 files changed, 40 insertions, 42 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c index 597d0467a926..ae87c00867ba 100644 --- a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c +++ b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c @@ -77,6 +77,12 @@ struct test { bool reuseport_has_conns; /* Add a connected socket to reuseport group */ }; +struct cb_opts { + int family; + int sotype; + bool reuseport; +}; + static __u32 duration; /* for CHECK macro */ static bool is_ipv6(const char *ip) @@ -142,19 +148,14 @@ static int make_socket(int sotype, const char *ip, int port, return fd; } -static int make_server(int sotype, const char *ip, int port, - struct bpf_program *reuseport_prog) +static int setsockopts(int fd, void *opts) { - struct sockaddr_storage addr = {0}; + struct cb_opts *co = (struct cb_opts *)opts; const int one = 1; - int err, fd = -1; - - fd = make_socket(sotype, ip, port, &addr); - if (fd < 0) - return -1; + int err = 0; /* Enabled for UDPv6 sockets for IPv4-mapped IPv6 to work. */ - if (sotype == SOCK_DGRAM) { + if (co->sotype == SOCK_DGRAM) { err = setsockopt(fd, SOL_IP, IP_RECVORIGDSTADDR, &one, sizeof(one)); if (CHECK(err, "setsockopt(IP_RECVORIGDSTADDR)", "failed\n")) { @@ -163,7 +164,7 @@ static int make_server(int sotype, const char *ip, int port, } } - if (sotype == SOCK_DGRAM && addr.ss_family == AF_INET6) { + if (co->sotype == SOCK_DGRAM && co->family == AF_INET6) { err = setsockopt(fd, SOL_IPV6, IPV6_RECVORIGDSTADDR, &one, sizeof(one)); if (CHECK(err, "setsockopt(IPV6_RECVORIGDSTADDR)", "failed\n")) { @@ -172,7 +173,7 @@ static int make_server(int sotype, const char *ip, int port, } } - if (sotype == SOCK_STREAM) { + if (co->sotype == SOCK_STREAM) { err = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)); if (CHECK(err, "setsockopt(SO_REUSEADDR)", "failed\n")) { @@ -181,7 +182,7 @@ static int make_server(int sotype, const char *ip, int port, } } - if (reuseport_prog) { + if (co->reuseport) { err = setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &one, sizeof(one)); if (CHECK(err, "setsockopt(SO_REUSEPORT)", "failed\n")) { @@ -190,19 +191,28 @@ static int make_server(int sotype, const char *ip, int port, } } - err = bind(fd, (void *)&addr, inetaddr_len(&addr)); - if (CHECK(err, "bind", "failed\n")) { - log_err("failed to bind listen socket"); - goto fail; - } +fail: + return err; +} - if (sotype == SOCK_STREAM) { - err = listen(fd, SOMAXCONN); - if (CHECK(err, "make_server", "listen")) { - log_err("failed to listen on port %d", port); - goto fail; - } - } +static int make_server(int sotype, const char *ip, int port, + struct bpf_program *reuseport_prog) +{ + struct cb_opts cb_opts = { + .family = is_ipv6(ip) ? AF_INET6 : AF_INET, + .sotype = sotype, + .reuseport = reuseport_prog, + }; + struct network_helper_opts opts = { + .backlog = SOMAXCONN, + .post_socket_cb = setsockopts, + .cb_opts = &cb_opts, + }; + int err, fd; + + fd = start_server_str(cb_opts.family, sotype, ip, port, &opts); + if (!ASSERT_OK_FD(fd, "start_server_str")) + return -1; /* Late attach reuseport prog so we can have one init path */ if (reuseport_prog) { @@ -406,18 +416,12 @@ static int udp_recv_send(int server_fd) } /* Reply from original destination address. */ - fd = socket(dst_addr->ss_family, SOCK_DGRAM, 0); - if (CHECK(fd < 0, "socket", "failed\n")) { + fd = start_server_addr(SOCK_DGRAM, dst_addr, sizeof(*dst_addr), NULL); + if (!ASSERT_OK_FD(fd, "start_server_addr")) { log_err("failed to create tx socket"); return -1; } - ret = bind(fd, (struct sockaddr *)dst_addr, sizeof(*dst_addr)); - if (CHECK(ret, "bind", "failed\n")) { - log_err("failed to bind tx socket"); - goto out; - } - msg.msg_control = NULL; msg.msg_controllen = 0; n = sendmsg(fd, &msg, 0); @@ -629,9 +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, @@ -639,12 +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; } @@ -994,7 +992,7 @@ static void drop_on_reuseport(const struct test *t) err = update_lookup_map(t->sock_map, SERVER_A, server1); if (err) - goto detach; + goto close_srv1; /* second server on destination address we should never reach */ server2 = make_server(t->sotype, t->connect_to.ip, t->connect_to.port, |