1/* SPDX-License-Identifier: GPL-2.0-only */ 2#ifndef UTIL_H 3#define UTIL_H 4 5#include <sys/socket.h> 6#include <linux/vm_sockets.h> 7 8/* Tests can either run as the client or the server */ 9enum test_mode { 10 TEST_MODE_UNSET, 11 TEST_MODE_CLIENT, 12 TEST_MODE_SERVER 13}; 14 15#define DEFAULT_PEER_PORT 1234 16 17/* Test runner options */ 18struct test_opts { 19 enum test_mode mode; 20 unsigned int peer_cid; 21 unsigned int peer_port; 22}; 23 24/* A test case definition. Test functions must print failures to stderr and 25 * terminate with exit(EXIT_FAILURE). 26 */ 27struct test_case { 28 const char *name; /* human-readable name */ 29 30 /* Called when test mode is TEST_MODE_CLIENT */ 31 void (*run_client)(const struct test_opts *opts); 32 33 /* Called when test mode is TEST_MODE_SERVER */ 34 void (*run_server)(const struct test_opts *opts); 35 36 bool skip; 37}; 38 39void init_signals(void); 40unsigned int parse_cid(const char *str); 41unsigned int parse_port(const char *str); 42int vsock_stream_connect(unsigned int cid, unsigned int port); 43int vsock_bind_connect(unsigned int cid, unsigned int port, 44 unsigned int bind_port, int type); 45int vsock_seqpacket_connect(unsigned int cid, unsigned int port); 46int vsock_stream_accept(unsigned int cid, unsigned int port, 47 struct sockaddr_vm *clientaddrp); 48int vsock_stream_listen(unsigned int cid, unsigned int port); 49int vsock_seqpacket_accept(unsigned int cid, unsigned int port, 50 struct sockaddr_vm *clientaddrp); 51void vsock_wait_remote_close(int fd); 52void send_buf(int fd, const void *buf, size_t len, int flags, 53 ssize_t expected_ret); 54void recv_buf(int fd, void *buf, size_t len, int flags, ssize_t expected_ret); 55void send_byte(int fd, int expected_ret, int flags); 56void recv_byte(int fd, int expected_ret, int flags); 57void run_tests(const struct test_case *test_cases, 58 const struct test_opts *opts); 59void list_tests(const struct test_case *test_cases); 60void skip_test(struct test_case *test_cases, size_t test_cases_len, 61 const char *test_id_str); 62unsigned long hash_djb2(const void *data, size_t len); 63size_t iovec_bytes(const struct iovec *iov, size_t iovnum); 64unsigned long iovec_hash_djb2(const struct iovec *iov, size_t iovnum); 65struct iovec *alloc_test_iovec(const struct iovec *test_iovec, int iovnum); 66void free_test_iovec(const struct iovec *test_iovec, 67 struct iovec *iovec, int iovnum); 68#endif /* UTIL_H */ 69