1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __NETWORK_HELPERS_H
3 #define __NETWORK_HELPERS_H
4 #include <sys/socket.h>
6 #include <linux/types.h>
8 #include <linux/if_ether.h>
9 #include <linux/if_packet.h>
11 #include <linux/ipv6.h>
12 #include <netinet/tcp.h>
13 #include <bpf/bpf_endian.h>
15 #define MAGIC_VAL 0x1234
16 #define NUM_ITER 100000
18 #define MAGIC_BYTES 123
20 struct network_helper_opts {
26 /* ipv4 test vector */
32 extern struct ipv4_packet pkt_v4;
34 /* ipv6 test vector */
40 extern struct ipv6_packet pkt_v6;
42 int settimeo(int fd, int timeout_ms);
43 int start_server(int family, int type, const char *addr, __u16 port,
45 int start_mptcp_server(int family, const char *addr, __u16 port,
47 int *start_reuseport_server(int family, int type, const char *addr_str,
48 __u16 port, int timeout_ms,
49 unsigned int nr_listens);
50 void free_fds(int *fds, unsigned int nr_close_fds);
51 int connect_to_fd(int server_fd, int timeout_ms);
52 int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts);
53 int connect_fd_to_fd(int client_fd, int server_fd, int timeout_ms);
54 int fastopen_connect(int server_fd, const char *data, unsigned int data_len,
56 int make_sockaddr(int family, const char *addr_str, __u16 port,
57 struct sockaddr_storage *addr, socklen_t *len);
58 char *ping_command(int family);
62 * open_netns() - Switch to specified network namespace by name.
64 * Returns token with which to restore the original namespace
65 * using close_netns().
67 struct nstoken *open_netns(const char *name);
68 void close_netns(struct nstoken *token);