src/libfreeswan/ipsec_rcv.h

   1 /*
   2  *
   3  * Copyright (C) 1996, 1997  John Ioannidis.
   4  * Copyright (C) 1998, 1999, 2000, 2001  Richard Guy Briggs.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2 of the License, or (at your
   9  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * for more details.
  15  *
  16  * RCSID $Id: ipsec_rcv.h,v 1.1 2004/03/15 20:35:25 as Exp $
  17  */
  18
  19 #define DB_RX_PKTRX     0x0001
  20 #define DB_RX_PKTRX2    0x0002
  21 #define DB_RX_DMP       0x0004
  22 #define DB_RX_IPSA      0x0010
  23 #define DB_RX_XF        0x0020
  24 #define DB_RX_IPAD      0x0040
  25 #define DB_RX_INAU      0x0080
  26 #define DB_RX_OINFO     0x0100
  27 #define DB_RX_OINFO2    0x0200
  28 #define DB_RX_OH        0x0400
  29 #define DB_RX_REPLAY    0x0800
  30
  31 #ifdef __KERNEL__
  32 /* struct options; */
  33
  34 #define __NO_VERSION__
  35 #include <linux/module.h>
  36 #include <linux/config.h>       /* for CONFIG_IP_FORWARD */
  37 #include <linux/version.h>
  38 #include <freeswan.h>
  39
  40 #define IPSEC_BIRTH_TEMPLATE_MAXLEN 256
  41
  42 struct ipsec_birth_reply {
  43   int            packet_template_len;
  44   unsigned char  packet_template[IPSEC_BIRTH_TEMPLATE_MAXLEN];
  45 };
  46
  47 extern struct ipsec_birth_reply ipsec_ipv4_birth_packet;
  48 extern struct ipsec_birth_reply ipsec_ipv6_birth_packet;
  49
  50 extern int
  51 #ifdef PROTO_HANDLER_SINGLE_PARM
  52 ipsec_rcv(struct sk_buff *skb);
  53 #else /* PROTO_HANDLER_SINGLE_PARM */
  54 ipsec_rcv(struct sk_buff *skb,
  55 #ifdef NET_21
  56           unsigned short xlen);
  57 #else /* NET_21 */
  58           struct device *dev,
  59           struct options *opt,
  60           __u32 daddr,
  61           unsigned short len,
  62           __u32 saddr,
  63           int redo,
  64           struct inet_protocol *protocol);
  65 #endif /* NET_21 */
  66 #endif /* PROTO_HANDLER_SINGLE_PARM */
  67
  68 #ifdef CONFIG_IPSEC_DEBUG
  69 extern int debug_rcv;
  70 #endif /* CONFIG_IPSEC_DEBUG */
  71 extern int sysctl_ipsec_inbound_policy_check;
  72 #endif /* __KERNEL__ */