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01: /* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by
02:                driver-specific utilities) */
03: 
04: /* Written 1997-2000 by Werner Almesberger, EPFL LRC/ICA */
05: 
06: 
07: #ifndef LINUX_ATM_TCP_H
08: #define LINUX_ATM_TCP_H
09: 
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 {
21:         __u16   vpi;
22:         __u16   vci;
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: 
34: struct 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: 
61: #endif
62: 

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