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diff --git a/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_mip.h b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_mip.h
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+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (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 (c) 1999 by Sun Microsystems, Inc.
+ * All rights reserved.
+ */
+
+#ifndef _SNOOP_MIP_H
+#define _SNOOP_MIP_H
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ALIGN(ptr) (ptr)
+
+/*
+ * E X T E N S I O N S
+ */
+
+typedef struct {
+ uchar_t type;
+ uchar_t length;
+} exthdr_t;
+
+/* This header is used for Generalized MIP Authentication Extensions */
+typedef struct {
+ uint8_t type;
+ uint8_t subtype;
+ uint16_t length;
+} gen_exthdr_t;
+
+#define MN_HA_AUTH 32
+#define MN_FA_AUTH 33
+#define FA_HA_AUTH 34
+#define GEN_AUTH 36
+#define MN_HA_KEY 126
+#define MN_HA_TRAVERSE 129
+#define ENCAP_DELIV 130
+#define MN_NAI 131
+#define FA_CHALLENGE 132
+#define MN_FA_KEY 133
+
+/* Subtypes for Generalized MIP Authentication Extension (GEN_AUTH) */
+#define GEN_AUTH_MN_AAA 1
+
+#define KEY_ALG_NONE 0
+#define SA_MD5_MODE_PREF_SUF 2 /* ...in prefix+suffix */
+#define SA_HMAC_MD5 3
+
+/*
+ * R E G I S T R A T I O N P R O T O C O L
+ */
+
+#define REG_TYPE_REQ 1
+#define REG_TYPE_REP 3
+
+typedef struct ident_str {
+ uint32_t high_bits; /* generated by the HA */
+ uint32_t low_bits; /* generated by the MN */
+} ident_t;
+
+#ifdef __sparc
+#ifdef _BIT_FIELDS_HTOL
+typedef struct registration_request_str {
+ uchar_t type; /* must be REG_TYPE_REQ */
+ uchar_t
+ Simultaneous_registration : 1,
+ Broadcasts_desired : 1,
+ Decapsulation_done_locally : 1, /* ...by the popup MN */
+ Minimal_encap_desired : 1,
+ GRE_encap_desired : 1,
+ VJ_compression_desired : 1,
+ BiDirectional_Tunnel_desired : 1,
+ reserved : 1;
+ ushort_t lifetime; /* 0 = dereg; 0xffff = infinity */
+ in_addr_t home_addr; /* address of the MN */
+ in_addr_t home_agent_addr; /* address of a HA */
+ in_addr_t care_of_addr; /* address of decap endpoint */
+ ident_t identification; /* for replay protection */
+} regreq_t;
+#endif /* _BIT_FIELDS_HTOL */
+#endif /* __sparc */
+
+#ifdef __i386
+#ifdef _BIT_FIELDS_LTOH
+typedef struct registration_request_str {
+ uchar_t type; /* must be REG_TYPE_REQ */
+ uchar_t
+ reserved : 1,
+ BiDirectional_Tunnel_desired : 1,
+ VJ_compression_desired : 1,
+ GRE_encap_desired : 1,
+ Minimal_encap_desired : 1,
+ Decapsulation_done_locally : 1, /* ...by the popup MN */
+ Broadcasts_desired : 1,
+ Simultaneous_registration : 1;
+ ushort_t lifetime; /* 0 = dereg; 0xffff = infinity */
+ in_addr_t home_addr; /* address of the MN */
+ in_addr_t home_agent_addr; /* address of a HA */
+ in_addr_t care_of_addr; /* address of decap endpoint */
+ ident_t identification; /* for replay protection */
+} regreq_t;
+#endif /* _BIT_FIELDS_LTOH */
+#endif /* __i386 */
+
+/*
+ * Registration Reply sent by a home agent to a mobile node in
+ * response to a registration request.
+ */
+typedef struct registration_reply_str {
+ uchar_t type; /* must be REG_TYPE_REP */
+ uchar_t code; /* refer to draft document */
+ ushort_t lifetime; /* 0 = dereg; 0xffff = infinity */
+ in_addr_t home_addr; /* address of the mobile node */
+ in_addr_t home_agent_addr; /* address of the home agent */
+ ident_t identification; /* derived from request's field */
+} regrep_t;
+
+/* service ok */
+#define REPLY_CODE_ACK 0
+#define REPLY_CODE_ACK_NO_SIMULTANEOUS 1
+
+/* denied by FA */
+#define REPLY_CODE_FA_NACK_UNSPECIFIED 64
+#define REPLY_CODE_FA_NACK_PROHIBITED 65
+#define REPLY_CODE_FA_NACK_RESOURCES 66
+#define REPLY_CODE_FA_NACK_MN_AUTH 67
+#define REPLY_CODE_FA_NACK_HA_AUTH 68
+#define REPLY_CODE_FA_NACK_LIFETIME 69
+#define REPLY_CODE_FA_NACK_BAD_REQUEST 70
+#define REPLY_CODE_FA_NACK_BAD_REPLY 71
+#define REPLY_CODE_FA_NACK_ENCAP_UNAVAILABLE 72
+#define REPLY_CODE_FA_NACK_VJ_UNAVAILABLE 73
+#define REPLY_CODE_FA_NACK_BIDIR_TUNNEL_UNAVAILABLE 74
+#define REPLY_CODE_FA_NACK_BIDIR_TUNNEL_NO_TBIT 75
+#define REPLY_CODE_FA_NACK_BIDIR_TUNNEL_TOO_DISTANT 76
+#define REPLY_CODE_FA_NACK_ICMP_HA_NET_UNREACHABLE 80
+#define REPLY_CODE_FA_NACK_ICMP_HA_HOST_UNREACHABLE 81
+#define REPLY_CODE_FA_NACK_ICMP_HA_PORT_UNREACHABLE 82
+#define REPLY_CODE_FA_NACK_ICMP_HA_UNREACHABLE 88
+#define REPLY_CODE_FA_NACK_UNIQUE_HOMEADDR_REQD 96
+#define REPLY_CODE_FA_NACK_MISSING_NAI 97
+#define REPLY_CODE_FA_NACK_MISSING_HOME_AGENT 98
+#define REPLY_CODE_FA_NACK_MISSING_HOMEADDR 99
+#define REPLY_CODE_FA_NACK_UNKNOWN_CHALLENGE 104
+#define REPLY_CODE_FA_NACK_MISSING_CHALLENGE 105
+#define REPLY_CODE_FA_NACK_MISSING_MN_FA 106
+
+/* denied by HA */
+#define REPLY_CODE_HA_NACK_UNSPECIFIED 128
+#define REPLY_CODE_HA_NACK_PROHIBITED 129
+#define REPLY_CODE_HA_NACK_RESOURCES 130
+#define REPLY_CODE_HA_NACK_MN_AUTH 131
+#define REPLY_CODE_HA_NACK_FA_AUTH 132
+#define REPLY_CODE_HA_NACK_ID_MISMATCH 133
+#define REPLY_CODE_HA_NACK_BAD_REQUEST 134
+#define REPLY_CODE_HA_NACK_TOO_MANY_BINDINGS 135
+#define REPLY_CODE_HA_NACK_BAD_HA_ADDRESS 136
+#define REPLY_CODE_HA_NACK_BIDIR_TUNNEL_UNAVAILABLE 137
+#define REPLY_CODE_HA_NACK_BIDIR_TUNNEL_NO_TBIT 138
+#define REPLY_CODE_HA_NACK_BIDIR_ENCAP_UNAVAILABLE 139
+
+/*
+ * OTHER EXTENSIONS
+ */
+
+/*
+ * The second set consists of those extensions which may appear only
+ * in ICMP Router Discovery messages [4]. Currently, Mobile IP
+ * defines the following Types for Extensions appearing in ICMP
+ * Router Discovery messages:
+ *
+ * 0 One-byte PaddingOne-byte Padding (encoded with no Length nor
+ * Data field)
+ * 16 Mobility Agent Advertisement
+ * 19 Prefix-Lengths
+ */
+#define ICMP_ADV_MSG_PADDING_EXT 0
+#define ICMP_ADV_MSG_MOBILITY_AGT_EXT 16
+#define ICMP_ADV_MSG_PREFIX_LENGTH_EXT 19
+#define ICMP_ADV_MSG_FA_CHALLENGE 24
+#define ICMP_ADV_MSG_FA_NAI 25
+
+
+/*
+ * Mobility Agent Advertisement Extension
+ * The Mobility Agent Adv Extension follows the ICMP Router
+ * Advertisement fields.It is used to indicate that an ICMP Router
+ * Advertisement message is also an Agent Advertisement being sent
+ * by a mobility agent.
+ *
+ * Type 16
+ * Length (6 + 4*N), where N is the number of care-of addresses
+ * advertised.
+ *
+ * Sequence Number
+ * The count of Agent Advertisement messages sent since the
+ * agent was initialized (Section 2.3.2).
+ *
+ * Registration Lifetime
+ * The longest lifetime (measured in seconds) that this
+ * agent is willing to accept in any Registration Request.
+ * A value of 0xffff indicates infinity. This field has no
+ * relation to the "Lifetime" field within the ICMP Router
+ * Advertisement portion of the Agent Advertisement.
+ *
+ * R Registration required. Registration with this foreign
+ * agent (or another foreign agent on this link) is required
+ * rather than using a co-located care-of address.
+ *
+ * B Busy. The foreign agent will not accept registrations
+ * from additional mobile nodes.
+ *
+ * H Home agent. This agent offers service as a home agent
+ * on the link on which this Agent Advertisement message is
+ * sent.
+ *
+ * F Foreign agent. This agent offers service as a foreign
+ * agent on the link on which this Agent Advertisement
+ * message is sent.
+ *
+ * M Minimal encapsulation. This agent implements receiving
+ * tunneled datagrams that use minimal encapsulation [15].
+ *
+ * G GRE encapsulation. This agent implements receiving
+ * tunneled datagrams that use GRE encapsulation [8].
+ *
+ * V Van Jacobson header compression. This agent supports use
+ * of Van Jacobson header compression [10] over the link
+ * with any registered mobile node.
+ *
+ * reserved sent as zero; ignored on reception.
+ *
+ * Care-of Address(es)
+ * The advertised foreign agent care-of address(es) provided
+ * by this foreign agent. An Agent Advertisement MUST
+ * include at least one care-of address if the 'F' bit
+ * is set. The number of care-of addresses present is
+ * determined by the Length field in the Extension.
+ *
+ * A HA must always be prepared to serve the mobile nodes for
+ * which it is the home agent. A FA may at times be too busy
+ * to serve additional MNs; even so, it must continue to send
+ * Agent Advertisements, so that any mobile nodes already registered
+ * with it will know that they have not moved out of range of the
+ * foreign agent and that the has not failed. A foreign
+ * agent may indicate that it is "too busy" to allow new MNs to
+ * register with it, by setting the 'B' bit in its Agent Adv.
+ * An Agent Adv message MUST NOT have the 'B' bit set if the
+ * 'F' bit is not also set, and at least one of the 'F' bit and the
+ * 'H' bit MUST be set in any Agent Advertisement message sent.
+ *
+ * When a FA wishes to require registration even from those
+ * mobile nodes which have acquired a co-located care-of address, it
+ * sets the 'R' bit to one. Because this bit applies only to foreign
+ * agents, an agent MUST NOT set the 'R' bit to one unless the 'F'
+ * bit is also set to one.
+ */
+#ifdef __sparc
+#ifdef _BIT_FIELDS_HTOL
+typedef struct mobility_agt_adv_extension {
+ uchar_t type;
+ uchar_t length;
+ ushort_t sequence_num;
+ ushort_t reg_lifetime;
+ ushort_t reg_bit:1,
+ busy_bit:1,
+ ha_bit:1,
+ fa_bit:1,
+ minencap_bit:1,
+ greencap_bit:1,
+ vanjacob_hdr_comp_bit:1,
+ reverse_tunnel_bit:1,
+ reserved:8;
+} mobagtadvext_t;
+
+#endif /* _BIT_FIELDS_HTOL */
+#endif /* __sparc */
+
+#ifdef __i386
+#ifdef _BIT_FIELDS_LTOH
+typedef struct mobility_agt_adv_extension {
+ uchar_t type;
+ uchar_t length;
+ ushort_t sequence_num;
+ ushort_t reg_lifetime;
+ uchar_t
+ reverse_tunnel_bit:1,
+ vanjacob_hdr_comp_bit:1,
+ greencap_bit:1,
+ minencap_bit:1,
+ fa_bit:1,
+ ha_bit:1,
+ busy_bit:1,
+ reg_bit:1;
+ uchar_t reserved;
+} mobagtadvext_t;
+#endif /* _BIT_FIELDS_LTOH */
+#endif /* __i386 */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SNOOP_MIP_H */
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