103 строки
2.4 KiB
C
103 строки
2.4 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 */
|
|
struct sock_msg_q {
|
|
struct iucv_path *path;
|
|
struct iucv_message msg;
|
|
struct list_head list;
|
|
spinlock_t lock;
|
|
};
|
|
|
|
#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;
|
|
spinlock_t accept_q_lock;
|
|
struct sock *parent;
|
|
struct iucv_path *path;
|
|
struct sk_buff_head send_skb_q;
|
|
struct sk_buff_head backlog_skb_q;
|
|
struct sock_msg_q message_q;
|
|
unsigned int send_tag;
|
|
u8 flags;
|
|
u16 msglimit;
|
|
};
|
|
|
|
/* iucv socket options (SOL_IUCV) */
|
|
#define SO_IPRMDATA_MSG 0x0080 /* send/recv IPRM_DATA msgs */
|
|
#define SO_MSGLIMIT 0x1000 /* get/set IUCV MSGLIMIT */
|
|
|
|
/* iucv related control messages (scm) */
|
|
#define SCM_IUCV_TRGCLS 0x0001 /* target class control message */
|
|
|
|
struct iucv_sock_list {
|
|
struct hlist_head head;
|
|
rwlock_t lock;
|
|
atomic_t autobind_name;
|
|
};
|
|
|
|
unsigned int iucv_sock_poll(struct file *file, struct socket *sock,
|
|
poll_table *wait);
|
|
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_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 */
|