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1da177e4 LT |
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 |