xref: /third_party/ltp/include/tst_net.h (revision f08c3bdf)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) 2017-2019 Petr Vorel <pvorel@suse.cz>
4 */
5
6#ifndef TST_NET_H_
7#define TST_NET_H_
8
9#include <arpa/inet.h>
10#include <netdb.h>
11#include <netinet/in.h>
12#include <netinet/ip.h>
13#include <sys/types.h>
14
15void tst_get_in_addr(const char *ip_str, struct in_addr *ip);
16void tst_get_in6_addr(const char *ip_str, struct in6_addr *ip6);
17
18/*
19 * Find valid connection address for a given bound socket
20 */
21socklen_t tst_get_connect_address(int sock, struct sockaddr_storage *addr);
22
23/*
24 * Initialize AF_INET/AF_INET6 socket address structure with address and port
25 */
26void tst_init_sockaddr_inet(struct sockaddr_in *sa, const char *ip_str, uint16_t port);
27void tst_init_sockaddr_inet_bin(struct sockaddr_in *sa, uint32_t ip_val, uint16_t port);
28void tst_init_sockaddr_inet6(struct sockaddr_in6 *sa, const char *ip_str, uint16_t port);
29void tst_init_sockaddr_inet6_bin(struct sockaddr_in6 *sa, const struct in6_addr *ip_val, uint16_t port);
30
31void safe_getaddrinfo(const char *file, const int lineno, const char *src_addr,
32					  const char *port, const struct addrinfo *hints,
33					  struct addrinfo **addr_info);
34
35/*
36 * Create new network namespace for netdevice/socket tests. A test which calls
37 * tst_setup_netns() must declare the following entries in its struct tst_test:
38 *
39 * .needs_kconfigs = (const char *[]) {
40 *	"CONFIG_USER_NS=y",
41 *	"CONFIG_NET_NS=y",
42 *	NULL
43 * },
44 * .save_restore = (const struct tst_path_val[]) {
45 *	{"/proc/sys/user/max_user_namespaces", "1024", TST_SR_SKIP},
46 *	{}
47 * },
48 */
49void tst_setup_netns(void);
50
51#endif /* TST_NET_H_ */
52