109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
/*
|
|
* Copyright 2006 IBM Corporation
|
|
* IUCV protocol stack for Linux on zSeries
|
|
* Version 1.0
|
|
* Author(s): Jennifer Hunt <jenhunt@us.ibm.com>
|
|
*
|
|
*/
|
|
|
|
#ifndef __AFIUCV_H
|
|
#define __AFIUCV_H
|
|
|
|
#include <asm/types.h>
|
|
#include <asm/byteorder.h>
|
|
#include <linux/list.h>
|
|
#include <linux/poll.h>
|
|
#include <linux/socket.h>
|
|
|
|
#ifndef AF_IUCV
|
|
#define AF_IUCV 32
|
|
#define PF_IUCV AF_IUCV
|
|
#endif
|
|
|
|
/* Connection and socket states */
|
|
enum {
|
|
IUCV_CONNECTED = 1,
|
|
IUCV_OPEN,
|
|
IUCV_BOUND,
|
|
IUCV_LISTEN,
|
|
IUCV_SEVERED,
|
|
IUCV_DISCONN,
|
|
IUCV_CLOSING,
|
|
IUCV_CLOSED
|
|
};
|
|
|
|
#define IUCV_QUEUELEN_DEFAULT 65535
|
|
#define IUCV_CONN_TIMEOUT (HZ * 40)
|
|
#define IUCV_DISCONN_TIMEOUT (HZ * 2)
|
|
#define IUCV_CONN_IDLE_TIMEOUT (HZ * 60)
|
|
#define IUCV_BUFSIZE_DEFAULT 32768
|
|
|
|
/* IUCV socket address */
|
|
struct sockaddr_iucv {
|
|
sa_family_t siucv_family;
|
|
unsigned short siucv_port; /* Reserved */
|
|
unsigned int siucv_addr; /* Reserved */
|
|
char siucv_nodeid[8]; /* Reserved */
|
|
char siucv_user_id[8]; /* Guest User Id */
|
|
char siucv_name[8]; /* Application Name */
|
|
};
|
|
|
|
|
|
/* Common socket structures and functions */
|
|
|
|
#define iucv_sk(__sk) ((struct iucv_sock *) __sk)
|
|
|
|
struct iucv_sock {
|
|
struct sock sk;
|
|
char src_user_id[8];
|
|
char src_name[8];
|
|
char dst_user_id[8];
|
|
char dst_name[8];
|
|
struct list_head accept_q;
|
|
struct sock *parent;
|
|
struct iucv_path *path;
|
|
struct sk_buff_head send_skb_q;
|
|
struct sk_buff_head backlog_skb_q;
|
|
unsigned int send_tag;
|
|
};
|
|
|
|
struct iucv_sock_list {
|
|
struct hlist_head head;
|
|
rwlock_t lock;
|
|
atomic_t autobind_name;
|
|
};
|
|
|
|
static void iucv_sock_destruct(struct sock *sk);
|
|
static void iucv_sock_cleanup_listen(struct sock *parent);
|
|
static void iucv_sock_kill(struct sock *sk);
|
|
static void iucv_sock_close(struct sock *sk);
|
|
static int iucv_sock_create(struct socket *sock, int proto);
|
|
static int iucv_sock_bind(struct socket *sock, struct sockaddr *addr,
|
|
int addr_len);
|
|
static int iucv_sock_connect(struct socket *sock, struct sockaddr *addr,
|
|
int alen, int flags);
|
|
static int iucv_sock_listen(struct socket *sock, int backlog);
|
|
static int iucv_sock_accept(struct socket *sock, struct socket *newsock,
|
|
int flags);
|
|
static int iucv_sock_getname(struct socket *sock, struct sockaddr *addr,
|
|
int *len, int peer);
|
|
static int iucv_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
|
|
struct msghdr *msg, size_t len);
|
|
static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
|
|
struct msghdr *msg, size_t len, int flags);
|
|
unsigned int iucv_sock_poll(struct file *file, struct socket *sock,
|
|
poll_table *wait);
|
|
static int iucv_sock_release(struct socket *sock);
|
|
static int iucv_sock_shutdown(struct socket *sock, int how);
|
|
|
|
void iucv_sock_link(struct iucv_sock_list *l, struct sock *s);
|
|
void iucv_sock_unlink(struct iucv_sock_list *l, struct sock *s);
|
|
int iucv_sock_wait_state(struct sock *sk, int state, int state2,
|
|
unsigned long timeo);
|
|
int iucv_sock_wait_cnt(struct sock *sk, unsigned long timeo);
|
|
void iucv_accept_enqueue(struct sock *parent, struct sock *sk);
|
|
void iucv_accept_unlink(struct sock *sk);
|
|
struct sock *iucv_accept_dequeue(struct sock *parent, struct socket *newsock);
|
|
|
|
#endif /* __IUCV_H */
|