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Diffstat (limited to 'sys/contrib/ngatm/netnatm/msg/priv.h')
| -rw-r--r-- | sys/contrib/ngatm/netnatm/msg/priv.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/sys/contrib/ngatm/netnatm/msg/priv.h b/sys/contrib/ngatm/netnatm/msg/priv.h new file mode 100644 index 0000000..4894390 --- /dev/null +++ b/sys/contrib/ngatm/netnatm/msg/priv.h @@ -0,0 +1,119 @@ +/* + * Copyright (c) 2001-2003 + * Fraunhofer Institute for Open Communication Systems (FhG Fokus). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Author: Hartmut Brandt <harti@freebsd.org> + * + * $Begemot: libunimsg/atm/msg/priv.h,v 1.3 2003/09/19 11:58:15 hbb Exp $ + * + * Private definitions for the IE code file. + */ +#ifndef unimsg_priv_h +#define unimsg_priv_h + +#ifdef _KERNEL +#include <sys/systm.h> +#include <machine/stdarg.h> +#define PANIC(X) panic X +#else +#include <stdio.h> +#include <stdarg.h> +#include <stdlib.h> +#define PANIC(X) abort() +#endif + +/* + * Define a structure for the declaration of information elements. + * For each coding scheme a quadrupel of check, print, encode and + * decode functions must be defined. A structure of the same format + * is used for messages. + */ +typedef void (*uni_print_f)(const union uni_ieall *, struct unicx *); +typedef int (*uni_check_f)(union uni_ieall *, struct unicx *); +typedef int (*uni_encode_f)(struct uni_msg *, union uni_ieall *, + struct unicx *); +typedef int (*uni_decode_f)(union uni_ieall *, struct uni_msg *, u_int, + struct unicx *); + +typedef void (*uni_msg_print_f)(const union uni_msgall *, struct unicx *); +typedef int (*uni_msg_check_f)(struct uni_all *, struct unicx *); +typedef int (*uni_msg_encode_f)(struct uni_msg *, union uni_msgall *, + struct unicx *); +typedef int (*uni_msg_decode_f)(union uni_msgall *, struct uni_msg *, + enum uni_ietype, struct uni_iehdr *, u_int, struct unicx *); + +struct iedecl { + u_int flags; /* information element flags */ + u_int maxlen; /* maximum size */ + uni_print_f print; + uni_check_f check; + uni_encode_f encode; + uni_decode_f decode; +}; + +struct msgdecl { + u_int flags; + const char *name; + uni_msg_print_f print; + uni_msg_check_f check; + uni_msg_encode_f encode; + uni_msg_decode_f decode; +}; + +enum { + UNIFL_DEFAULT = 0x0001, + UNIFL_ACCESS = 0x0002, +}; + +extern const struct iedecl *uni_ietable[256][4]; +extern const struct msgdecl *uni_msgtable[256]; + +/* + * Need to check range here because declaring a variable as a enum does not + * guarantee that the values will be legal. + */ +#define GET_IEDECL(IE, CODING) \ +({ \ + const struct iedecl *_decl = NULL; \ + \ + if((CODING) <= 3 && (IE) <= 255) \ + if((_decl = uni_ietable[IE][CODING]) != NULL) \ + if((_decl->flags & UNIFL_DEFAULT) != 0) \ + if((_decl = uni_ietable[IE][0]) == NULL) \ + PANIC(("IE %02x,%02x -- no default", CODING,IE));\ + _decl; \ +}) + + +enum { + DEC_OK, + DEC_ILL, + DEC_ERR, +}; + +void uni_print_ie_internal(enum uni_ietype, const union uni_ieall *, + struct unicx *); + +#endif |
