David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 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 { |
| 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 /* _UAPILINUX_ATM_TCP_H */ |