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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 _UAPILINUX_ATM_TCP_H
8 #define _UAPILINUX_ATM_TCP_H
9 
10 #include <linux/atmapi.h>
11 #include <linux/atm.h>
12 #include <linux/atmioc.h>
13 #include <linux/types.h>
14 
15 
16 /*
17  * All values in struct atmtcp_hdr are in network byte order
18  */
19 
20 struct atmtcp_hdr {
23  __u32 length; /* ... of data part */
24 };
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 
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 */
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 
61 #endif /* _UAPILINUX_ATM_TCP_H */