1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | /* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by |
3 | driver-specific utilities) */ |
4 | |
5 | /* Written 1997-2000 by Werner Almesberger, EPFL LRC/ICA */ |
6 | |
7 | |
8 | #ifndef _UAPILINUX_ATM_TCP_H |
9 | #define _UAPILINUX_ATM_TCP_H |
10 | |
11 | #include <linux/atmapi.h> |
12 | #include <linux/atm.h> |
13 | #include <linux/atmioc.h> |
14 | #include <linux/types.h> |
15 | |
16 | |
17 | /* |
18 | * All values in struct atmtcp_hdr are in network byte order |
19 | */ |
20 | |
21 | struct atmtcp_hdr { |
22 | __u16 vpi; |
23 | __u16 vci; |
24 | __u32 length; /* ... of data part */ |
25 | }; |
26 | |
27 | /* |
28 | * All values in struct atmtcp_command are in host byte order |
29 | */ |
30 | |
31 | #define ATMTCP_HDR_MAGIC (~0) /* this length indicates a command */ |
32 | #define ATMTCP_CTRL_OPEN 1 /* request/reply */ |
33 | #define ATMTCP_CTRL_CLOSE 2 /* request/reply */ |
34 | |
35 | struct atmtcp_control { |
36 | struct atmtcp_hdr hdr; /* must be first */ |
37 | int type; /* message type; both directions */ |
38 | atm_kptr_t vcc; /* both directions */ |
39 | struct sockaddr_atmpvc addr; /* suggested value from kernel */ |
40 | struct atm_qos qos; /* both directions */ |
41 | int result; /* to kernel only */ |
42 | } __ATM_API_ALIGN; |
43 | |
44 | /* |
45 | * Field usage: |
46 | * Messge type dir. hdr.v?i type addr qos vcc result |
47 | * ----------- ---- ------- ---- ---- --- --- ------ |
48 | * OPEN K->D Y Y Y Y Y 0 |
49 | * OPEN D->K - Y Y Y Y Y |
50 | * CLOSE K->D - - Y - Y 0 |
51 | * CLOSE D->K - - - - Y Y |
52 | */ |
53 | |
54 | #define SIOCSIFATMTCP _IO('a',ATMIOC_ITF) /* set ATMTCP mode */ |
55 | #define ATMTCP_CREATE _IO('a',ATMIOC_ITF+14) /* create persistent ATMTCP |
56 | interface */ |
57 | #define ATMTCP_REMOVE _IO('a',ATMIOC_ITF+15) /* destroy persistent ATMTCP |
58 | interface */ |
59 | |
60 | |
61 | |
62 | #endif /* _UAPILINUX_ATM_TCP_H */ |
63 | |