projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 15637ed4 RG |
1 | /* |
| 2 | * Definitions that user level programs might need to know to interact | |
| 3 | * with serial line IP (slip) lines. | |
| 4 | ||
| 5 | * @(#) $Header: slip.h,v 1.4 92/02/02 17:26:02 leres Exp $ (LBL) | |
| 6 | * | |
| 7 | * Copyright (c) 1990 Regents of the University of California. | |
| 8 | * All rights reserved. | |
| 9 | * | |
| 10 | * Redistribution and use in source and binary forms are permitted | |
| 11 | * provided that the above copyright notice and this paragraph are | |
| 12 | * duplicated in all such forms and that any documentation, | |
| 13 | * advertising materials, and other materials related to such | |
| 14 | * distribution and use acknowledge that the software was developed | |
| 15 | * by the University of California, Berkeley. The name of the | |
| 16 | * University may not be used to endorse or promote products derived | |
| 17 | * from this software without specific prior written permission. | |
| 18 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 19 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 20 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 21 | */ | |
| 22 | ||
| 23 | /* | |
| 24 | * ioctl to get slip interface unit number (e.g., sl0, sl1, etc.) | |
| 25 | * assigned to some terminal line with a slip module pushed on it. | |
| 26 | */ | |
| 27 | #ifdef __STDC__ | |
| 28 | #define SLIOGUNIT _IOR('B', 1, int) | |
| 29 | #else | |
| 30 | #define SLIOGUNIT _IOR(B, 1, int) | |
| 31 | #endif | |
| 32 | ||
| 33 | /* | |
| 34 | * definitions of the pseudo- link-level header attached to slip | |
| 35 | * packets grabbed by the packet filter (bpf) traffic monitor. | |
| 36 | */ | |
| 37 | #define SLIP_HDRLEN 16 | |
| 38 | ||
| 39 | #define SLX_DIR 0 | |
| 40 | #define SLX_CHDR 1 | |
| 41 | #define CHDR_LEN 15 | |
| 42 | ||
| 43 | #define SLIPDIR_IN 0 | |
| 44 | #define SLIPDIR_OUT 1 | |
| 45 |