freebsd-skq/sys/netatm/uni/unisig_decode.h
phk c3dd1fa899 Add new files for HARP3
Host ATM Research Platform (HARP), Network Computing Services, Inc.
This software was developed with the support of the Defense Advanced
Research Projects Agency (DARPA).
1998-09-15 08:23:17 +00:00

88 lines
2.2 KiB
C

/*
*
* ===================================
* HARP | Host ATM Research Platform
* ===================================
*
*
* This Host ATM Research Platform ("HARP") file (the "Software") is
* made available by Network Computing Services, Inc. ("NetworkCS")
* "AS IS". NetworkCS does not provide maintenance, improvements or
* support of any kind.
*
* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
* In no event shall NetworkCS be responsible for any damages, including
* but not limited to consequential damages, arising from or relating to
* any use of the Software or related support.
*
* Copyright 1994-1998 Network Computing Services, Inc.
*
* Copies of this Software may be made, however, the above copyright
* notice must be reproduced on all copies.
*
* @(#) $Id: unisig_decode.h,v 1.5 1998/08/26 23:29:21 mks Exp $
*
*/
/*
* ATM Forum UNI 3.0/3.1 Signalling Manager
* ----------------------------------------
*
* Message formats
*
*/
#ifndef _UNI_SIG_DECODE_H
#define _UNI_SIG_DECODE_H
/*
* Values specifying which IEs are required in messages
*/
#define IE_NA 0
#define IE_MAND 1
#define IE_OPT 2
/*
* Structure for information element decoding information
*/
struct ie_ent {
u_char ident; /* IE identifier */
int min_len; /* Min. length */
int max_len; /* Max. length */
int p_idx; /* IE pointer index in msg */
int (*decode) /* Decoding function */
__P((struct usfmt *, struct ie_generic *));
};
/*
* Macro to give the offset of a field in a generic IE structure
*/
#define IE_OFFSET(f) \
((int)&((struct ie_generic *) 0)->f)
/*
* Macro to give the size of a field in a generic IE structure
*/
#define IE_FSIZE(f) \
(sizeof(((struct ie_generic *) 0)->f))
#define IE_OFF_SIZE(f) IE_OFFSET(f),IE_FSIZE(f)
/*
* Structure to define a field-driven decoding table (for AAL
* parameters and ATM user cell rate IEs)
*/
struct ie_decode_tbl {
u_char ident;
int len;
int f_offs;
int f_size;
};
#endif /* _UNI_SIG_DECODE_H */