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Commit | Line | Data |
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eac3731b JH |
1 | /* |
2 | * Copyright 2006 IBM Corporation | |
3 | * IUCV protocol stack for Linux on zSeries | |
4 | * Version 1.0 | |
5 | * Author(s): Jennifer Hunt <jenhunt@us.ibm.com> | |
6 | * | |
7 | */ | |
8 | ||
9 | #ifndef __AFIUCV_H | |
10 | #define __AFIUCV_H | |
11 | ||
12 | #include <asm/types.h> | |
13 | #include <asm/byteorder.h> | |
14 | #include <linux/list.h> | |
15 | #include <linux/poll.h> | |
16 | #include <linux/socket.h> | |
17 | ||
18 | #ifndef AF_IUCV | |
19 | #define AF_IUCV 32 | |
20 | #define PF_IUCV AF_IUCV | |
21 | #endif | |
22 | ||
23 | /* Connection and socket states */ | |
24 | enum { | |
25 | IUCV_CONNECTED = 1, | |
26 | IUCV_OPEN, | |
27 | IUCV_BOUND, | |
28 | IUCV_LISTEN, | |
29 | IUCV_SEVERED, | |
30 | IUCV_DISCONN, | |
561e0360 | 31 | IUCV_CLOSING, |
eac3731b JH |
32 | IUCV_CLOSED |
33 | }; | |
34 | ||
35 | #define IUCV_QUEUELEN_DEFAULT 65535 | |
36 | #define IUCV_CONN_TIMEOUT (HZ * 40) | |
37 | #define IUCV_DISCONN_TIMEOUT (HZ * 2) | |
38 | #define IUCV_CONN_IDLE_TIMEOUT (HZ * 60) | |
39 | #define IUCV_BUFSIZE_DEFAULT 32768 | |
40 | ||
41 | /* IUCV socket address */ | |
42 | struct sockaddr_iucv { | |
43 | sa_family_t siucv_family; | |
44 | unsigned short siucv_port; /* Reserved */ | |
45 | unsigned int siucv_addr; /* Reserved */ | |
46 | char siucv_nodeid[8]; /* Reserved */ | |
47 | char siucv_user_id[8]; /* Guest User Id */ | |
48 | char siucv_name[8]; /* Application Name */ | |
49 | }; | |
50 | ||
51 | ||
52 | /* Common socket structures and functions */ | |
f0703c80 UB |
53 | struct sock_msg_q { |
54 | struct iucv_path *path; | |
55 | struct iucv_message msg; | |
56 | struct list_head list; | |
57 | spinlock_t lock; | |
58 | }; | |
eac3731b JH |
59 | |
60 | #define iucv_sk(__sk) ((struct iucv_sock *) __sk) | |
61 | ||
62 | struct iucv_sock { | |
63 | struct sock sk; | |
64 | char src_user_id[8]; | |
65 | char src_name[8]; | |
66 | char dst_user_id[8]; | |
67 | char dst_name[8]; | |
68 | struct list_head accept_q; | |
febca281 | 69 | spinlock_t accept_q_lock; |
eac3731b JH |
70 | struct sock *parent; |
71 | struct iucv_path *path; | |
72 | struct sk_buff_head send_skb_q; | |
561e0360 | 73 | struct sk_buff_head backlog_skb_q; |
f0703c80 | 74 | struct sock_msg_q message_q; |
eac3731b JH |
75 | unsigned int send_tag; |
76 | }; | |
77 | ||
78 | struct iucv_sock_list { | |
79 | struct hlist_head head; | |
80 | rwlock_t lock; | |
81 | atomic_t autobind_name; | |
82 | }; | |
83 | ||
eac3731b JH |
84 | unsigned int iucv_sock_poll(struct file *file, struct socket *sock, |
85 | poll_table *wait); | |
eac3731b JH |
86 | void iucv_sock_link(struct iucv_sock_list *l, struct sock *s); |
87 | void iucv_sock_unlink(struct iucv_sock_list *l, struct sock *s); | |
88 | int iucv_sock_wait_state(struct sock *sk, int state, int state2, | |
89 | unsigned long timeo); | |
90 | int iucv_sock_wait_cnt(struct sock *sk, unsigned long timeo); | |
91 | void iucv_accept_enqueue(struct sock *parent, struct sock *sk); | |
92 | void iucv_accept_unlink(struct sock *sk); | |
93 | struct sock *iucv_accept_dequeue(struct sock *parent, struct socket *newsock); | |
94 | ||
95 | #endif /* __IUCV_H */ |