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Diffstat (limited to 'sys/net/slip.h')
| -rw-r--r-- | sys/net/slip.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/sys/net/slip.h b/sys/net/slip.h new file mode 100644 index 000000000000..e70a6a4377d0 --- /dev/null +++ b/sys/net/slip.h @@ -0,0 +1,48 @@ +/* + * Copyright (c) 1990 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that the above copyright notice and this paragraph are + * duplicated in all such forms and that any documentation, + * advertising materials, and other materials related to such + * distribution and use acknowledge that the software was developed + * by the University of California, Berkeley. The name of the + * University may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * + * from: unknown + * $Id: slip.h,v 1.2 1993/10/16 17:43:44 rgrimes Exp $ + */ + +/* + * Definitions that user level programs might need to know to interact + * with serial line IP (slip) lines. + */ + +/* + * ioctl to get slip interface unit number (e.g., sl0, sl1, etc.) + * assigned to some terminal line with a slip module pushed on it. + */ +#ifdef __STDC__ +#define SLIOGUNIT _IOR('B', 1, int) +#else +#define SLIOGUNIT _IOR(B, 1, int) +#endif + +/* + * definitions of the pseudo- link-level header attached to slip + * packets grabbed by the packet filter (bpf) traffic monitor. + */ +#define SLIP_HDRLEN 16 + +#define SLX_DIR 0 +#define SLX_CHDR 1 +#define CHDR_LEN 15 + +#define SLIPDIR_IN 0 +#define SLIPDIR_OUT 1 + |