criu/include/sk-inet.h
Cyrill Gorcunov 291aa3f6d6 headers: Add extern specificator to functions
We really have a mess of extern/non-extern declaration
of functions in our headers. Always use extern for
unification purpose.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
2013-11-15 17:00:58 +04:00

83 lines
1.9 KiB
C

#ifndef __CR_SK_INET_H__
#define __CR_SK_INET_H__
#include <netinet/tcp.h>
#include "sockets.h"
#include "files.h"
#include "list.h"
#include "protobuf.h"
#include "protobuf/sk-inet.pb-c.h"
#define INET_ADDR_LEN 40
#ifndef TCP_REPAIR
#define TCP_REPAIR 19 /* TCP sock is under repair right now */
#define TCP_REPAIR_QUEUE 20
#define TCP_QUEUE_SEQ 21
#define TCP_REPAIR_OPTIONS 22
#endif
struct inet_sk_desc {
struct socket_desc sd;
unsigned int type;
unsigned int src_port;
unsigned int dst_port;
unsigned int state;
unsigned int rqlen;
unsigned int wqlen; /* sent + unsent data */
unsigned int uwqlen; /* unsent data */
unsigned int src_addr[4];
unsigned int dst_addr[4];
unsigned short shutdown;
int rfd;
int cpt_reuseaddr;
struct list_head rlist;
};
struct inet_port;
struct inet_sk_info {
InetSkEntry *ie;
struct file_desc d;
struct inet_port *port;
struct list_head rlist;
};
extern int inet_bind(int sk, struct inet_sk_info *);
extern int inet_connect(int sk, struct inet_sk_info *);
struct rst_tcp_sock {
int sk;
bool reuseaddr;
};
extern struct rst_tcp_sock *rst_tcp_socks;
extern int rst_tcp_socks_nr;
static inline unsigned long rst_tcp_socks_len(void)
{
return rst_tcp_socks_nr * sizeof(struct rst_tcp_sock);
}
static inline void tcp_repair_off(int fd)
{
int aux = 0, ret;
ret = sys_setsockopt(fd, SOL_TCP, TCP_REPAIR, &aux, sizeof(aux));
if (ret < 0)
pr_perror("Failed to turn off repair mode on socket (%d)", ret);
}
extern void tcp_locked_conn_add(struct inet_sk_info *);
extern void rst_unlock_tcp_connections(void);
extern void cpt_unlock_tcp_connections(void);
extern int dump_one_tcp(int sk, struct inet_sk_desc *sd);
extern int restore_one_tcp(int sk, struct inet_sk_info *si);
#define SK_EST_PARAM "tcp-established"
extern int check_tcp(void);
extern int rst_tcp_socks_add(int fd, bool reuseaddr);
#endif /* __CR_SK_INET_H__ */