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Diffstat (limited to 'usr/src/uts/common/inet/iptun.h')
| -rw-r--r-- | usr/src/uts/common/inet/iptun.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/usr/src/uts/common/inet/iptun.h b/usr/src/uts/common/inet/iptun.h new file mode 100644 index 0000000000..1cd74d87cc --- /dev/null +++ b/usr/src/uts/common/inet/iptun.h @@ -0,0 +1,91 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _INET_IPTUN_H +#define _INET_IPTUN_H + +#include <sys/socket.h> +#include <sys/types.h> +#include <sys/dld_ioc.h> +#include <netinet/in.h> +#include <netinet/ip6.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * from http://www.iana.org/assignments/ip-parameters + */ +#define IPTUN_DEFAULT_HOPLIMIT 64 +/* from RFC 2473 */ +#define IPTUN_DEFAULT_ENCAPLIMIT 4 + +#define IPTUN_CREATE IPTUNIOC(1) +#define IPTUN_DELETE IPTUNIOC(2) +#define IPTUN_MODIFY IPTUNIOC(3) +#define IPTUN_INFO IPTUNIOC(4) +#define IPTUN_SET_6TO4RELAY IPTUNIOC(9) +#define IPTUN_GET_6TO4RELAY IPTUNIOC(10) + +typedef enum { + IPTUN_TYPE_UNKNOWN = 0, + IPTUN_TYPE_IPV4, + IPTUN_TYPE_IPV6, + IPTUN_TYPE_6TO4 +} iptun_type_t; + +/* + * To maintain proper alignment of fields between 32bit user-land and 64bit + * kernel, all fields in iptun_kparams_t after itk_fields must be in + * descending order of size. Due to strict structure size checks done in the + * iptun ioctl processing, the structure size must be the same on 32 and 64 + * bit. amd64 will pad the end of the structure to make the end 64bit + * aligned, so we must add explicit padding to make sure that it's similarly + * aligned when compiled in 32 bit mode. + */ +typedef struct iptun_kparams { + datalink_id_t iptun_kparam_linkid; + uint32_t iptun_kparam_flags; + struct sockaddr_storage iptun_kparam_laddr; /* local address */ + struct sockaddr_storage iptun_kparam_raddr; /* remote address */ + ipsec_req_t iptun_kparam_secinfo; + iptun_type_t iptun_kparam_type; + uint32_t _iptun_kparam_padding; +} iptun_kparams_t; + +/* itk_flags */ +#define IPTUN_KPARAM_TYPE 0x00000001 /* itk_type is set */ +#define IPTUN_KPARAM_LADDR 0x00000002 /* itk_laddr is set */ +#define IPTUN_KPARAM_RADDR 0x00000004 /* itk_raddr is set */ +#define IPTUN_KPARAM_SECINFO 0x00000008 /* itk_secinfo is set */ +#define IPTUN_KPARAM_IMPLICIT 0x00000010 /* implicitly created IP tunnel */ +#define IPTUN_KPARAM_IPSECPOL 0x00000020 /* ipsecconf(1M) policy present */ + +#ifdef __cplusplus +} +#endif + +#endif /* _INET_IPTUN_H */ |