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Annotation of XNU/bsd/netinet/ip_frag.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * The contents of this file constitute Original Code as defined in and
                      7:  * are subject to the Apple Public Source License Version 1.1 (the
                      8:  * "License").  You may not use this file except in compliance with the
                      9:  * License.  Please obtain a copy of the License at
                     10:  * http://www.apple.com/publicsource and read it before using this file.
                     11:  * 
                     12:  * This Original Code and all software distributed under the License are
                     13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     17:  * License for the specific language governing rights and limitations
                     18:  * under the License.
                     19:  * 
                     20:  * @APPLE_LICENSE_HEADER_END@
                     21:  */
                     22: /*
                     23:  * Copyright (C) 1993-1997 by Darren Reed.
                     24:  *
                     25:  * Redistribution and use in source and binary forms are permitted
                     26:  * provided that this notice is preserved and due credit is given
                     27:  * to the original author and the contributors.
                     28:  *
                     29:  * @(#)ip_frag.h       1.5 3/24/96
                     30:  */
                     31: 
                     32: #ifndef        __IP_FRAG_H__
                     33: #define        __IP_FRAG_H__
                     34: 
                     35: #define        IPFT_SIZE       257
                     36: 
                     37: typedef        struct  ipfr    {
                     38:        struct  ipfr    *ipfr_next, *ipfr_prev;
                     39:        void    *ipfr_data;
                     40:        struct  in_addr ipfr_src;
                     41:        struct  in_addr ipfr_dst;
                     42:        u_short ipfr_id;
                     43:        u_char  ipfr_p;
                     44:        u_char  ipfr_tos;
                     45:        u_short ipfr_off;
                     46:        u_short ipfr_ttl;
                     47:        u_char  ipfr_pass;
                     48: } ipfr_t;
                     49: 
                     50: 
                     51: typedef        struct  ipfrstat {
                     52:        u_long  ifs_exists;     /* add & already exists */
                     53:        u_long  ifs_nomem;
                     54:        u_long  ifs_new;
                     55:        u_long  ifs_hits;
                     56:        u_long  ifs_expire;
                     57:        u_long  ifs_inuse;
                     58:        struct  ipfr    **ifs_table;
                     59:        struct  ipfr    **ifs_nattab;
                     60: } ipfrstat_t;
                     61: 
                     62: #define        IPFR_CMPSZ      (4 + 4 + 2 + 1 + 1)
                     63: 
                     64: extern int     fr_ipfrttl;
                     65: extern ipfrstat_t      *ipfr_fragstats __P((void));
                     66: extern int     ipfr_newfrag __P((ip_t *, fr_info_t *, int));
                     67: extern int     ipfr_nat_newfrag __P((ip_t *, fr_info_t *, int, struct nat *));
                     68: extern nat_t   *ipfr_nat_knownfrag __P((ip_t *, fr_info_t *));
                     69: extern int     ipfr_knownfrag __P((ip_t *, fr_info_t *));
                     70: extern void    ipfr_forget __P((void *));
                     71: extern void    ipfr_unload __P((void));
                     72: 
                     73: #if     (BSD >= 199306) || SOLARIS || defined(__sgi)
                     74: extern void    ipfr_slowtimer __P((void));
                     75: #else
                     76: extern int     ipfr_slowtimer __P((void));
                     77: #endif
                     78: 
                     79: #endif /* __IP_FIL_H__ */

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