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Annotation of Net2/net/slip.h, revision 1.1.1.2

1.1       root        1: /*
                      2:  * Definitions that user level programs might need to know to interact
                      3:  * with serial line IP (slip) lines.
1.1.1.2 ! root        4:  *
        !             5:  *     slip.h,v 1.3 1993/05/20 03:06:14 cgd Exp
1.1       root        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: 
1.1.1.2 ! root       23: #ifndef _NET_SLIP_H_
        !            24: #define _NET_SLIP_H_
        !            25: 
1.1       root       26: /*
                     27:  * ioctl to get slip interface unit number (e.g., sl0, sl1, etc.)
                     28:  * assigned to some terminal line with a slip module pushed on it.
                     29:  */
                     30: #ifdef __STDC__
                     31: #define SLIOGUNIT _IOR('B', 1, int)
                     32: #else
                     33: #define SLIOGUNIT _IOR(B, 1, int)
                     34: #endif
                     35: 
                     36: /*
                     37:  * definitions of the pseudo- link-level header attached to slip
                     38:  * packets grabbed by the packet filter (bpf) traffic monitor.
                     39:  */
                     40: #define SLIP_HDRLEN 16
                     41: 
                     42: #define SLX_DIR 0
                     43: #define SLX_CHDR 1
                     44: #define CHDR_LEN 15
                     45: 
                     46: #define SLIPDIR_IN 0
                     47: #define SLIPDIR_OUT 1
                     48: 
1.1.1.2 ! root       49: #endif /* !_NET_SLIP_H_ */

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