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Diffstat (limited to 'sys/netatm/uni/unisig_decode.h')
| -rw-r--r-- | sys/netatm/uni/unisig_decode.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/sys/netatm/uni/unisig_decode.h b/sys/netatm/uni/unisig_decode.h new file mode 100644 index 000000000000..dbd184aedee9 --- /dev/null +++ b/sys/netatm/uni/unisig_decode.h @@ -0,0 +1,87 @@ +/* + * + * =================================== + * 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 */ |