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
22 struct 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
36 struct 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
64 struct 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
71 extern struct atm_tcp_ops atm_tcp_ops;
72
73 #endif
74
75 #endif
76
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