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