ip_frag.h

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    1 /*
    2  * Copyright (C) 1993-1997 by Darren Reed.
    3  *
    4  * Redistribution and use in source and binary forms are permitted
    5  * provided that this notice is preserved and due credit is given
    6  * to the original author and the contributors.
    7  *
    8  * @(#)ip_frag.h        1.5 3/24/96
    9  * $FreeBSD$
   10  */
   11 
   12 #ifndef __IP_FRAG_H__
   13 #define __IP_FRAG_H__
   14 
   15 #define IPFT_SIZE       257
   16 
   17 typedef struct  ipfr    {
   18         struct  ipfr    *ipfr_next, *ipfr_prev;
   19         void    *ipfr_data;
   20         struct  in_addr ipfr_src;
   21         struct  in_addr ipfr_dst;
   22         u_short ipfr_id;
   23         u_char  ipfr_p;
   24         u_char  ipfr_tos;
   25         u_short ipfr_off;
   26         u_short ipfr_ttl;
   27         u_char  ipfr_pass;
   28 } ipfr_t;
   29 
   30 
   31 typedef struct  ipfrstat {
   32         u_long  ifs_exists;     /* add & already exists */
   33         u_long  ifs_nomem;
   34         u_long  ifs_new;
   35         u_long  ifs_hits;
   36         u_long  ifs_expire;
   37         u_long  ifs_inuse;
   38         struct  ipfr    **ifs_table;
   39         struct  ipfr    **ifs_nattab;
   40 } ipfrstat_t;
   41 
   42 #define IPFR_CMPSZ      (4 + 4 + 2 + 1 + 1)
   43 
   44 extern  int     fr_ipfrttl;
   45 extern  ipfrstat_t      *ipfr_fragstats __P((void));
   46 extern  int     ipfr_newfrag __P((ip_t *, fr_info_t *, int));
   47 extern  int     ipfr_nat_newfrag __P((ip_t *, fr_info_t *, int, struct nat *));
   48 extern  nat_t   *ipfr_nat_knownfrag __P((ip_t *, fr_info_t *));
   49 extern  int     ipfr_knownfrag __P((ip_t *, fr_info_t *));
   50 extern  void    ipfr_forget __P((void *));
   51 extern  void    ipfr_unload __P((void));
   52 
   53 #if     (BSD >= 199306) || SOLARIS || defined(__sgi)
   54 extern  void    ipfr_slowtimer __P((void));
   55 #else
   56 extern  int     ipfr_slowtimer __P((void));
   57 #endif
   58 
   59 #endif  /* __IP_FIL_H__ */

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FreeBSD/Linux Kernel Cross Reference sys/netinet/ip_frag.h

FreeBSD/Linux Kernel Cross Reference
sys/netinet/ip_frag.h