From eac3731bd04c7131478722a3c148b78774553116 Mon Sep 17 00:00:00 2001 From: Jennifer Hunt Date: Thu, 8 Feb 2007 13:51:54 -0800 Subject: [S390]: Add AF_IUCV socket support From: Jennifer Hunt This patch adds AF_IUCV socket support. Signed-off-by: Frank Pavlic Signed-off-by: Martin Schwidefsky Signed-off-by: David S. Miller --- include/net/iucv/af_iucv.h | 106 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 include/net/iucv/af_iucv.h (limited to 'include/net') diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h new file mode 100644 index 000000000000..04d1abb72d25 --- /dev/null +++ b/include/net/iucv/af_iucv.h @@ -0,0 +1,106 @@ +/* + * Copyright 2006 IBM Corporation + * IUCV protocol stack for Linux on zSeries + * Version 1.0 + * Author(s): Jennifer Hunt + * + */ + +#ifndef __AFIUCV_H +#define __AFIUCV_H + +#include +#include +#include +#include +#include + +#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_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; + 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 */ -- cgit v1.2.3-59-g8ed1b