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authorRene Mayrhofer <rene@mayrhofer.eu.org>2007-04-12 20:41:31 +0000
committerRene Mayrhofer <rene@mayrhofer.eu.org>2007-04-12 20:41:31 +0000
commit774a362e87feab25f1be16fbca08269ddc7121a4 (patch)
treecf71f4e7466468ac3edc2127125f333224a9acfb /src/libfreeswan/ipsec_tunnel.h
parentc54a140a445bfe7aa66721f68bb0781f26add91c (diff)
downloadvyos-strongswan-774a362e87feab25f1be16fbca08269ddc7121a4.tar.gz
vyos-strongswan-774a362e87feab25f1be16fbca08269ddc7121a4.zip
Major new upstream release, just ran svn-upgrade for now (and wrote some
debian/changelong entries).
Diffstat (limited to 'src/libfreeswan/ipsec_tunnel.h')
-rw-r--r--src/libfreeswan/ipsec_tunnel.h265
1 files changed, 265 insertions, 0 deletions
diff --git a/src/libfreeswan/ipsec_tunnel.h b/src/libfreeswan/ipsec_tunnel.h
new file mode 100644
index 000000000..3b25e95e1
--- /dev/null
+++ b/src/libfreeswan/ipsec_tunnel.h
@@ -0,0 +1,265 @@
+/*
+ * IPSEC tunneling code
+ * Copyright (C) 1996, 1997 John Ioannidis.
+ * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Richard Guy Briggs.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * RCSID $Id: ipsec_tunnel.h,v 1.1 2004/03/15 20:35:25 as Exp $
+ */
+
+
+#ifdef NET_21
+# define DEV_QUEUE_XMIT(skb, device, pri) {\
+ skb->dev = device; \
+ neigh_compat_output(skb); \
+ /* skb->dst->output(skb); */ \
+ }
+# define ICMP_SEND(skb_in, type, code, info, dev) \
+ icmp_send(skb_in, type, code, htonl(info))
+# define IP_SEND(skb, dev) \
+ ip_send(skb);
+#else /* NET_21 */
+# define DEV_QUEUE_XMIT(skb, device, pri) {\
+ dev_queue_xmit(skb, device, pri); \
+ }
+# define ICMP_SEND(skb_in, type, code, info, dev) \
+ icmp_send(skb_in, type, code, info, dev)
+# define IP_SEND(skb, dev) \
+ if(ntohs(iph->tot_len) > physmtu) { \
+ ip_fragment(NULL, skb, dev, 0); \
+ ipsec_kfree_skb(skb); \
+ } else { \
+ dev_queue_xmit(skb, dev, SOPRI_NORMAL); \
+ }
+#endif /* NET_21 */
+
+
+/*
+ * Heavily based on drivers/net/new_tunnel.c. Lots
+ * of ideas also taken from the 2.1.x version of drivers/net/shaper.c
+ */
+
+struct ipsectunnelconf
+{
+ __u32 cf_cmd;
+ union
+ {
+ char cfu_name[12];
+ } cf_u;
+#define cf_name cf_u.cfu_name
+};
+
+#define IPSEC_SET_DEV (SIOCDEVPRIVATE)
+#define IPSEC_DEL_DEV (SIOCDEVPRIVATE + 1)
+#define IPSEC_CLR_DEV (SIOCDEVPRIVATE + 2)
+
+#ifdef __KERNEL__
+#include <linux/version.h>
+#ifndef KERNEL_VERSION
+# define KERNEL_VERSION(x,y,z) (((x)<<16)+((y)<<8)+(z))
+#endif
+struct ipsecpriv
+{
+ struct sk_buff_head sendq;
+ struct device *dev;
+ struct wait_queue *wait_queue;
+ char locked;
+ int (*hard_start_xmit) (struct sk_buff *skb,
+ struct device *dev);
+ int (*hard_header) (struct sk_buff *skb,
+ struct device *dev,
+ unsigned short type,
+ void *daddr,
+ void *saddr,
+ unsigned len);
+#ifdef NET_21
+ int (*rebuild_header)(struct sk_buff *skb);
+#else /* NET_21 */
+ int (*rebuild_header)(void *buff, struct device *dev,
+ unsigned long raddr, struct sk_buff *skb);
+#endif /* NET_21 */
+ int (*set_mac_address)(struct device *dev, void *addr);
+#ifndef NET_21
+ void (*header_cache_bind)(struct hh_cache **hhp, struct device *dev,
+ unsigned short htype, __u32 daddr);
+#endif /* !NET_21 */
+ void (*header_cache_update)(struct hh_cache *hh, struct device *dev, unsigned char * haddr);
+ struct net_device_stats *(*get_stats)(struct device *dev);
+ struct net_device_stats mystats;
+ int mtu; /* What is the desired MTU? */
+};
+
+extern char ipsec_tunnel_c_version[];
+
+extern struct device *ipsecdevices[IPSEC_NUM_IF];
+
+int ipsec_tunnel_init_devices(void);
+
+/* void */ int ipsec_tunnel_cleanup_devices(void);
+
+extern /* void */ int ipsec_init(void);
+
+extern int ipsec_tunnel_start_xmit(struct sk_buff *skb, struct device *dev);
+
+#ifdef CONFIG_IPSEC_DEBUG
+extern int debug_tunnel;
+extern int sysctl_ipsec_debug_verbose;
+#endif /* CONFIG_IPSEC_DEBUG */
+#endif /* __KERNEL__ */
+
+#ifdef CONFIG_IPSEC_DEBUG
+#define DB_TN_INIT 0x0001
+#define DB_TN_PROCFS 0x0002
+#define DB_TN_XMIT 0x0010
+#define DB_TN_OHDR 0x0020
+#define DB_TN_CROUT 0x0040
+#define DB_TN_OXFS 0x0080
+#define DB_TN_REVEC 0x0100
+#endif /* CONFIG_IPSEC_DEBUG */
+
+/*
+ * $Log: ipsec_tunnel.h,v $
+ * Revision 1.1 2004/03/15 20:35:25 as
+ * added files from freeswan-2.04-x509-1.5.3
+ *
+ * Revision 1.28 2003/06/24 20:22:32 mcr
+ * added new global: ipsecdevices[] so that we can keep track of
+ * the ipsecX devices. They will be referenced with dev_hold(),
+ * so 2.2 may need this as well.
+ *
+ * Revision 1.27 2003/04/03 17:38:09 rgb
+ * Centralised ipsec_kfree_skb and ipsec_dev_{get,put}.
+ *
+ * Revision 1.26 2003/02/12 19:32:20 rgb
+ * Updated copyright year.
+ *
+ * Revision 1.25 2002/05/27 18:56:07 rgb
+ * Convert to dynamic ipsec device allocation.
+ *
+ * Revision 1.24 2002/04/24 07:36:48 mcr
+ * Moved from ./klips/net/ipsec/ipsec_tunnel.h,v
+ *
+ * Revision 1.23 2001/11/06 19:50:44 rgb
+ * Moved IP_SEND, ICMP_SEND, DEV_QUEUE_XMIT macros to ipsec_tunnel.h for
+ * use also by pfkey_v2_parser.c
+ *
+ * Revision 1.22 2001/09/15 16:24:05 rgb
+ * Re-inject first and last HOLD packet when an eroute REPLACE is done.
+ *
+ * Revision 1.21 2001/06/14 19:35:10 rgb
+ * Update copyright date.
+ *
+ * Revision 1.20 2000/09/15 11:37:02 rgb
+ * Merge in heavily modified Svenning Soerensen's <svenning@post5.tele.dk>
+ * IPCOMP zlib deflate code.
+ *
+ * Revision 1.19 2000/09/08 19:12:56 rgb
+ * Change references from DEBUG_IPSEC to CONFIG_IPSEC_DEBUG.
+ *
+ * Revision 1.18 2000/07/28 13:50:54 rgb
+ * Changed enet_statistics to net_device_stats and added back compatibility
+ * for pre-2.1.19.
+ *
+ * Revision 1.17 1999/11/19 01:12:15 rgb
+ * Purge unneeded proc_info prototypes, now that static linking uses
+ * dynamic proc_info registration.
+ *
+ * Revision 1.16 1999/11/18 18:51:00 rgb
+ * Changed all device registrations for static linking to
+ * dynamic to reduce the number and size of patches.
+ *
+ * Revision 1.15 1999/11/18 04:14:21 rgb
+ * Replaced all kernel version macros to shorter, readable form.
+ * Added CONFIG_PROC_FS compiler directives in case it is shut off.
+ * Added Marc Boucher's 2.3.25 proc patches.
+ *
+ * Revision 1.14 1999/05/25 02:50:10 rgb
+ * Fix kernel version macros for 2.0.x static linking.
+ *
+ * Revision 1.13 1999/05/25 02:41:06 rgb
+ * Add ipsec_klipsdebug support for static linking.
+ *
+ * Revision 1.12 1999/05/05 22:02:32 rgb
+ * Add a quick and dirty port to 2.2 kernels by Marc Boucher <marc@mbsi.ca>.
+ *
+ * Revision 1.11 1999/04/29 15:19:50 rgb
+ * Add return values to init and cleanup functions.
+ *
+ * Revision 1.10 1999/04/16 16:02:39 rgb
+ * Bump up macro to 4 ipsec I/Fs.
+ *
+ * Revision 1.9 1999/04/15 15:37:25 rgb
+ * Forward check changes from POST1_00 branch.
+ *
+ * Revision 1.5.2.1 1999/04/02 04:26:14 rgb
+ * Backcheck from HEAD, pre1.0.
+ *
+ * Revision 1.8 1999/04/11 00:29:01 henry
+ * GPL boilerplate
+ *
+ * Revision 1.7 1999/04/06 04:54:28 rgb
+ * Fix/Add RCSID Id: and Log: bits to make PHMDs happy. This includes
+ * patch shell fixes.
+ *
+ * Revision 1.6 1999/03/31 05:44:48 rgb
+ * Keep PMTU reduction private.
+ *
+ * Revision 1.5 1999/02/10 22:31:20 rgb
+ * Change rebuild_header member to reflect generality of link layer.
+ *
+ * Revision 1.4 1998/12/01 13:22:04 rgb
+ * Added support for debug printing of version info.
+ *
+ * Revision 1.3 1998/07/29 20:42:46 rgb
+ * Add a macro for clearing all tunnel devices.
+ * Rearrange structures and declarations for sharing with userspace.
+ *
+ * Revision 1.2 1998/06/25 20:01:45 rgb
+ * Make prototypes available for ipsec_init and ipsec proc_dir_entries
+ * for static linking.
+ *
+ * Revision 1.1 1998/06/18 21:27:50 henry
+ * move sources from klips/src to klips/net/ipsec, to keep stupid
+ * kernel-build scripts happier in the presence of symlinks
+ *
+ * Revision 1.3 1998/05/18 21:51:50 rgb
+ * Added macros for num of I/F's and a procfs debug switch.
+ *
+ * Revision 1.2 1998/04/21 21:29:09 rgb
+ * Rearrange debug switches to change on the fly debug output from user
+ * space. Only kernel changes checked in at this time. radij.c was also
+ * changed to temporarily remove buggy debugging code in rj_delete causing
+ * an OOPS and hence, netlink device open errors.
+ *
+ * Revision 1.1 1998/04/09 03:06:13 henry
+ * sources moved up from linux/net/ipsec
+ *
+ * Revision 1.1.1.1 1998/04/08 05:35:05 henry
+ * RGB's ipsec-0.8pre2.tar.gz ipsec-0.8
+ *
+ * Revision 0.5 1997/06/03 04:24:48 ji
+ * Added transport mode.
+ * Changed the way routing is done.
+ * Lots of bug fixes.
+ *
+ * Revision 0.4 1997/01/15 01:28:15 ji
+ * No changes.
+ *
+ * Revision 0.3 1996/11/20 14:39:04 ji
+ * Minor cleanups.
+ * Rationalized debugging code.
+ *
+ * Revision 0.2 1996/11/02 00:18:33 ji
+ * First limited release.
+ *
+ *
+ */