bsd/netinet/kpi_ipfilter_var.h

   1 /*
   2  * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #ifndef __KPI_IPFILTER_VAR__
  30 #define __KPI_IPFILTER_VAR__
  31
  32 #include <sys/appleapiopts.h>
  33 #include <netinet/kpi_ipfilter.h>
  34
  35 #ifdef KERNEL_PRIVATE
  36
  37 /* Private data structure, stripped out by ifdef tool */
  38 /* Implementation specific bits */
  39
  40 #include <sys/queue.h>
  41
  42 struct ipfilter {
  43         TAILQ_ENTRY(ipfilter)   ipf_link;
  44         struct ipf_filter               ipf_filter;
  45         struct ipfilter_list    *ipf_head;
  46         TAILQ_ENTRY(ipfilter)   ipf_tbr;
  47 };
  48 TAILQ_HEAD(ipfilter_list, ipfilter);
  49
  50
  51 extern struct ipfilter_list     ipv6_filters;
  52 extern struct ipfilter_list     ipv4_filters;
  53
  54 ipfilter_t ipf_get_inject_filter(struct mbuf *m);
  55 void ipf_ref(void);
  56 void ipf_unref(void);
  57 int ipf_init(void);
  58
  59 void    ip_proto_dispatch_in(struct mbuf *m, int hlen, u_int8_t proto, ipfilter_t ipfref);
  60
  61
  62 #endif /* KERNEL_PRIVATE */
  63
  64 #endif /*__KPI_IPFILTER_VAR__*/