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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by
2 driver-specific utilities) */
3
4/* Written 1997-2000 by Werner Almesberger, EPFL LRC/ICA */
5
6
7#ifndef LINUX_ATM_TCP_H
8#define LINUX_ATM_TCP_H
9
10#include <linux/atmapi.h>
Mike Frysingera1a61a42008-05-14 23:24:09 -070011#include <linux/atm.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070012#include <linux/atmioc.h>
Mike Frysingera1a61a42008-05-14 23:24:09 -070013#include <linux/types.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070014
15
16/*
17 * All values in struct atmtcp_hdr are in network byte order
18 */
19
20struct atmtcp_hdr {
Mike Frysingera1a61a42008-05-14 23:24:09 -070021 __u16 vpi;
22 __u16 vci;
23 __u32 length; /* ... of data part */
Linus Torvalds1da177e2005-04-16 15:20:36 -070024};
25
26/*
27 * All values in struct atmtcp_command are in host byte order
28 */
29
30#define ATMTCP_HDR_MAGIC (~0) /* this length indicates a command */
31#define ATMTCP_CTRL_OPEN 1 /* request/reply */
32#define ATMTCP_CTRL_CLOSE 2 /* request/reply */
33
34struct atmtcp_control {
35 struct atmtcp_hdr hdr; /* must be first */
36 int type; /* message type; both directions */
37 atm_kptr_t vcc; /* both directions */
38 struct sockaddr_atmpvc addr; /* suggested value from kernel */
39 struct atm_qos qos; /* both directions */
40 int result; /* to kernel only */
41} __ATM_API_ALIGN;
42
43/*
44 * Field usage:
45 * Messge type dir. hdr.v?i type addr qos vcc result
46 * ----------- ---- ------- ---- ---- --- --- ------
47 * OPEN K->D Y Y Y Y Y 0
48 * OPEN D->K - Y Y Y Y Y
49 * CLOSE K->D - - Y - Y 0
50 * CLOSE D->K - - - - Y Y
51 */
52
53#define SIOCSIFATMTCP _IO('a',ATMIOC_ITF) /* set ATMTCP mode */
54#define ATMTCP_CREATE _IO('a',ATMIOC_ITF+14) /* create persistent ATMTCP
55 interface */
56#define ATMTCP_REMOVE _IO('a',ATMIOC_ITF+15) /* destroy persistent ATMTCP
57 interface */
58
59
60#ifdef __KERNEL__
61
62struct atm_tcp_ops {
63 int (*attach)(struct atm_vcc *vcc,int itf);
64 int (*create_persistent)(int itf);
65 int (*remove_persistent)(int itf);
66 struct module *owner;
67};
68
69extern struct atm_tcp_ops atm_tcp_ops;
70
71#endif
72
73#endif