bsd/net/if_ipsec.h

   1 /*
   2  * Copyright (c) 2012 Apple 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
  30 #ifndef _NET_IF_IPSEC_H_
  31 #define _NET_IF_IPSEC_H_
  32
  33 #ifdef BSD_KERNEL_PRIVATE
  34
  35 #include <sys/kern_control.h>
  36 #include <netinet/ip_var.h>
  37
  38 /* Control block allocated for each kernel control connection */
  39 struct ipsec_pcb {
  40         kern_ctl_ref    ipsec_ctlref;
  41         ifnet_t                 ipsec_ifp;
  42         u_int32_t               ipsec_unit;
  43         u_int32_t               ipsec_flags;
  44         int                             ipsec_ext_ifdata_stats;
  45 };
  46
  47 errno_t ipsec_register_control(void);
  48
  49 /* Helpers */
  50 int ipsec_interface_isvalid (ifnet_t interface);
  51
  52 #endif
  53
  54 /*
  55  * Name registered by the ipsec kernel control
  56  */
  57 #define IPSEC_CONTROL_NAME "com.apple.net.ipsec_control"
  58
  59 /*
  60  * Socket option names to manage ipsec
  61  */
  62 #define IPSEC_OPT_FLAGS                                                 1
  63 #define IPSEC_OPT_IFNAME                                                2
  64 #define IPSEC_OPT_EXT_IFDATA_STATS                              3       /* get|set (type int) */
  65 #define IPSEC_OPT_INC_IFDATA_STATS_IN                   4       /* set to increment stat counters (type struct ipsec_stats_param) */
  66 #define IPSEC_OPT_INC_IFDATA_STATS_OUT                  5       /* set to increment stat counters (type struct ipsec_stats_param) */
  67 #define IPSEC_OPT_SET_DELEGATE_INTERFACE                6       /* set the delegate interface (char[]) */
  68 /*
  69  * ipsec stats parameter structure
  70  */
  71 struct ipsec_stats_param {
  72         u_int64_t       utsp_packets;
  73         u_int64_t       utsp_bytes;
  74         u_int64_t       utsp_errors;
  75 };
  76
  77 #endif