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From: Jennifer Hunt <[email protected]> This patch adds AF_IUCV socket support. Signed-off-by: Frank Pavlic <[email protected]> Signed-off-by: Martin Schwidefsky <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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/* | ||
* Copyright 2006 IBM Corporation | ||
* IUCV protocol stack for Linux on zSeries | ||
* Version 1.0 | ||
* Author(s): Jennifer Hunt <[email protected]> | ||
* | ||
*/ | ||
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#ifndef __AFIUCV_H | ||
#define __AFIUCV_H | ||
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#include <asm/types.h> | ||
#include <asm/byteorder.h> | ||
#include <linux/list.h> | ||
#include <linux/poll.h> | ||
#include <linux/socket.h> | ||
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#ifndef AF_IUCV | ||
#define AF_IUCV 32 | ||
#define PF_IUCV AF_IUCV | ||
#endif | ||
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/* Connection and socket states */ | ||
enum { | ||
IUCV_CONNECTED = 1, | ||
IUCV_OPEN, | ||
IUCV_BOUND, | ||
IUCV_LISTEN, | ||
IUCV_SEVERED, | ||
IUCV_DISCONN, | ||
IUCV_CLOSED | ||
}; | ||
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#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 | ||
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/* 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 */ | ||
}; | ||
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/* Common socket structures and functions */ | ||
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#define iucv_sk(__sk) ((struct iucv_sock *) __sk) | ||
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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; | ||
unsigned int send_tag; | ||
}; | ||
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struct iucv_sock_list { | ||
struct hlist_head head; | ||
rwlock_t lock; | ||
atomic_t autobind_name; | ||
}; | ||
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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); | ||
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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); | ||
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#endif /* __IUCV_H */ |
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# | ||
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obj-$(CONFIG_IUCV) += iucv.o | ||
obj-$(CONFIG_AFIUCV) += af_iucv.o |
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