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-rw-r--r--include/linux/atm_tcp.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/include/linux/atm_tcp.h b/include/linux/atm_tcp.h
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1/* 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>
11
12#ifdef __KERNEL__
13#include <linux/types.h>
14#endif
15#include <linux/atmioc.h>
16
17
18/*
19 * All values in struct atmtcp_hdr are in network byte order
20 */
21
22struct atmtcp_hdr {
23 uint16_t vpi;
24 uint16_t vci;
25 uint32_t length; /* ... of data part */
26};
27
28/*
29 * All values in struct atmtcp_command are in host byte order
30 */
31
32#define ATMTCP_HDR_MAGIC (~0) /* this length indicates a command */
33#define ATMTCP_CTRL_OPEN 1 /* request/reply */
34#define ATMTCP_CTRL_CLOSE 2 /* request/reply */
35
36struct atmtcp_control {
37 struct atmtcp_hdr hdr; /* must be first */
38 int type; /* message type; both directions */
39 atm_kptr_t vcc; /* both directions */
40 struct sockaddr_atmpvc addr; /* suggested value from kernel */
41 struct atm_qos qos; /* both directions */
42 int result; /* to kernel only */
43} __ATM_API_ALIGN;
44
45/*
46 * Field usage:
47 * Messge type dir. hdr.v?i type addr qos vcc result
48 * ----------- ---- ------- ---- ---- --- --- ------
49 * OPEN K->D Y Y Y Y Y 0
50 * OPEN D->K - Y Y Y Y Y
51 * CLOSE K->D - - Y - Y 0
52 * CLOSE D->K - - - - Y Y
53 */
54
55#define SIOCSIFATMTCP _IO('a',ATMIOC_ITF) /* set ATMTCP mode */
56#define ATMTCP_CREATE _IO('a',ATMIOC_ITF+14) /* create persistent ATMTCP
57 interface */
58#define ATMTCP_REMOVE _IO('a',ATMIOC_ITF+15) /* destroy persistent ATMTCP
59 interface */
60
61
62#ifdef __KERNEL__
63
64struct atm_tcp_ops {
65 int (*attach)(struct atm_vcc *vcc,int itf);
66 int (*create_persistent)(int itf);
67 int (*remove_persistent)(int itf);
68 struct module *owner;
69};
70
71extern struct atm_tcp_ops atm_tcp_ops;
72
73#endif
74
75#endif