/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2008-2018 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1982, 1986, 1993
* Structure of an icmp header.
*/
struct icmp {
- u_char icmp_type; /* type of message, see below */
- u_char icmp_code; /* type sub code */
- u_short icmp_cksum; /* ones complement cksum of struct */
+ u_char icmp_type; /* type of message, see below */
+ u_char icmp_code; /* type sub code */
+ u_short icmp_cksum; /* ones complement cksum of struct */
union {
- u_char ih_pptr; /* ICMP_PARAMPROB */
- struct in_addr ih_gwaddr; /* ICMP_REDIRECT */
+ u_char ih_pptr; /* ICMP_PARAMPROB */
+ struct in_addr ih_gwaddr; /* ICMP_REDIRECT */
struct ih_idseq {
- n_short icd_id;
- n_short icd_seq;
+ n_short icd_id;
+ n_short icd_seq;
} ih_idseq;
int ih_void;
u_int16_t irt_lifetime;
} ih_rtradv;
} icmp_hun;
-#define icmp_pptr icmp_hun.ih_pptr
-#define icmp_gwaddr icmp_hun.ih_gwaddr
-#define icmp_id icmp_hun.ih_idseq.icd_id
-#define icmp_seq icmp_hun.ih_idseq.icd_seq
-#define icmp_void icmp_hun.ih_void
-#define icmp_pmvoid icmp_hun.ih_pmtu.ipm_void
-#define icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu
-#define icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs
-#define icmp_wpa icmp_hun.ih_rtradv.irt_wpa
-#define icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime
+#define icmp_pptr icmp_hun.ih_pptr
+#define icmp_gwaddr icmp_hun.ih_gwaddr
+#define icmp_id icmp_hun.ih_idseq.icd_id
+#define icmp_seq icmp_hun.ih_idseq.icd_seq
+#define icmp_void icmp_hun.ih_void
+#define icmp_pmvoid icmp_hun.ih_pmtu.ipm_void
+#define icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu
+#define icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs
+#define icmp_wpa icmp_hun.ih_rtradv.irt_wpa
+#define icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime
union {
struct id_ts {
n_time its_otime;
} id_ip;
struct icmp_ra_addr id_radv;
u_int32_t id_mask;
- char id_data[1];
+ char id_data[1];
} icmp_dun;
-#define icmp_otime icmp_dun.id_ts.its_otime
-#define icmp_rtime icmp_dun.id_ts.its_rtime
-#define icmp_ttime icmp_dun.id_ts.its_ttime
-#define icmp_ip icmp_dun.id_ip.idi_ip
-#define icmp_radv icmp_dun.id_radv
-#define icmp_mask icmp_dun.id_mask
-#define icmp_data icmp_dun.id_data
+#define icmp_otime icmp_dun.id_ts.its_otime
+#define icmp_rtime icmp_dun.id_ts.its_rtime
+#define icmp_ttime icmp_dun.id_ts.its_ttime
+#define icmp_ip icmp_dun.id_ip.idi_ip
+#define icmp_radv icmp_dun.id_radv
+#define icmp_mask icmp_dun.id_mask
+#define icmp_data icmp_dun.id_data
};
/*
* data have been returned, since we need to check the returned
* ip header length.
*/
-#define ICMP_MINLEN 8 /* abs minimum */
-#define ICMP_TSLEN (8 + 3 * sizeof (n_time)) /* timestamp */
-#define ICMP_MASKLEN 12 /* address mask */
-#define ICMP_ADVLENMIN (8 + sizeof (struct ip) + 8) /* min */
+#define ICMP_MINLEN 8 /* abs minimum */
+#define ICMP_TSLEN (8 + 3 * sizeof (n_time)) /* timestamp */
+#define ICMP_MASKLEN 12 /* address mask */
+#define ICMP_ADVLENMIN (8 + sizeof (struct ip) + 8) /* min */
#ifndef _IP_VHL
-#define ICMP_ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8)
- /* N.B.: must separately check that ip_hl >= 5 */
+#define ICMP_ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8)
+/* N.B.: must separately check that ip_hl >= 5 */
#else
-#define ICMP_ADVLEN(p) (8 + (IP_VHL_HL((p)->icmp_ip.ip_vhl) << 2) + 8)
- /* N.B.: must separately check that header length >= 5 */
+#define ICMP_ADVLEN(p) (8 + (IP_VHL_HL((p)->icmp_ip.ip_vhl) << 2) + 8)
+/* N.B.: must separately check that header length >= 5 */
#endif
/*
* Definition of type and code field values.
*/
-#define ICMP_ECHOREPLY 0 /* echo reply */
-#define ICMP_UNREACH 3 /* dest unreachable, codes: */
-#define ICMP_UNREACH_NET 0 /* bad net */
-#define ICMP_UNREACH_HOST 1 /* bad host */
-#define ICMP_UNREACH_PROTOCOL 2 /* bad protocol */
-#define ICMP_UNREACH_PORT 3 /* bad port */
-#define ICMP_UNREACH_NEEDFRAG 4 /* IP_DF caused drop */
-#define ICMP_UNREACH_SRCFAIL 5 /* src route failed */
-#define ICMP_UNREACH_NET_UNKNOWN 6 /* unknown net */
-#define ICMP_UNREACH_HOST_UNKNOWN 7 /* unknown host */
-#define ICMP_UNREACH_ISOLATED 8 /* src host isolated */
-#define ICMP_UNREACH_NET_PROHIB 9 /* prohibited access */
-#define ICMP_UNREACH_HOST_PROHIB 10 /* ditto */
-#define ICMP_UNREACH_TOSNET 11 /* bad tos for net */
-#define ICMP_UNREACH_TOSHOST 12 /* bad tos for host */
-#define ICMP_UNREACH_FILTER_PROHIB 13 /* admin prohib */
-#define ICMP_UNREACH_HOST_PRECEDENCE 14 /* host prec vio. */
-#define ICMP_UNREACH_PRECEDENCE_CUTOFF 15 /* prec cutoff */
-#define ICMP_SOURCEQUENCH 4 /* packet lost, slow down */
-#define ICMP_REDIRECT 5 /* shorter route, codes: */
-#define ICMP_REDIRECT_NET 0 /* for network */
-#define ICMP_REDIRECT_HOST 1 /* for host */
-#define ICMP_REDIRECT_TOSNET 2 /* for tos and net */
-#define ICMP_REDIRECT_TOSHOST 3 /* for tos and host */
-#define ICMP_ECHO 8 /* echo service */
-#define ICMP_ROUTERADVERT 9 /* router advertisement */
-#define ICMP_ROUTERSOLICIT 10 /* router solicitation */
-#define ICMP_TIMXCEED 11 /* time exceeded, code: */
-#define ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */
-#define ICMP_TIMXCEED_REASS 1 /* ttl==0 in reass */
-#define ICMP_PARAMPROB 12 /* ip header bad */
-#define ICMP_PARAMPROB_ERRATPTR 0 /* error at param ptr */
-#define ICMP_PARAMPROB_OPTABSENT 1 /* req. opt. absent */
-#define ICMP_PARAMPROB_LENGTH 2 /* bad length */
-#define ICMP_TSTAMP 13 /* timestamp request */
-#define ICMP_TSTAMPREPLY 14 /* timestamp reply */
-#define ICMP_IREQ 15 /* information request */
-#define ICMP_IREQREPLY 16 /* information reply */
-#define ICMP_MASKREQ 17 /* address mask request */
-#define ICMP_MASKREPLY 18 /* address mask reply */
+#define ICMP_ECHOREPLY 0 /* echo reply */
+#define ICMP_UNREACH 3 /* dest unreachable, codes: */
+#define ICMP_UNREACH_NET 0 /* bad net */
+#define ICMP_UNREACH_HOST 1 /* bad host */
+#define ICMP_UNREACH_PROTOCOL 2 /* bad protocol */
+#define ICMP_UNREACH_PORT 3 /* bad port */
+#define ICMP_UNREACH_NEEDFRAG 4 /* IP_DF caused drop */
+#define ICMP_UNREACH_SRCFAIL 5 /* src route failed */
+#define ICMP_UNREACH_NET_UNKNOWN 6 /* unknown net */
+#define ICMP_UNREACH_HOST_UNKNOWN 7 /* unknown host */
+#define ICMP_UNREACH_ISOLATED 8 /* src host isolated */
+#define ICMP_UNREACH_NET_PROHIB 9 /* prohibited access */
+#define ICMP_UNREACH_HOST_PROHIB 10 /* ditto */
+#define ICMP_UNREACH_TOSNET 11 /* bad tos for net */
+#define ICMP_UNREACH_TOSHOST 12 /* bad tos for host */
+#define ICMP_UNREACH_FILTER_PROHIB 13 /* admin prohib */
+#define ICMP_UNREACH_HOST_PRECEDENCE 14 /* host prec vio. */
+#define ICMP_UNREACH_PRECEDENCE_CUTOFF 15 /* prec cutoff */
+#define ICMP_SOURCEQUENCH 4 /* packet lost, slow down */
+#define ICMP_REDIRECT 5 /* shorter route, codes: */
+#define ICMP_REDIRECT_NET 0 /* for network */
+#define ICMP_REDIRECT_HOST 1 /* for host */
+#define ICMP_REDIRECT_TOSNET 2 /* for tos and net */
+#define ICMP_REDIRECT_TOSHOST 3 /* for tos and host */
+#define ICMP_ALTHOSTADDR 6 /* alternate host address */
+#define ICMP_ECHO 8 /* echo service */
+#define ICMP_ROUTERADVERT 9 /* router advertisement */
+#define ICMP_ROUTERADVERT_NORMAL 0 /* normal advertisement */
+#define ICMP_ROUTERADVERT_NOROUTE_COMMON 16 /* selective routing */
+#define ICMP_ROUTERSOLICIT 10 /* router solicitation */
+#define ICMP_TIMXCEED 11 /* time exceeded, code: */
+#define ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */
+#define ICMP_TIMXCEED_REASS 1 /* ttl==0 in reass */
+#define ICMP_PARAMPROB 12 /* ip header bad */
+#define ICMP_PARAMPROB_ERRATPTR 0 /* error at param ptr */
+#define ICMP_PARAMPROB_OPTABSENT 1 /* req. opt. absent */
+#define ICMP_PARAMPROB_LENGTH 2 /* bad length */
+#define ICMP_TSTAMP 13 /* timestamp request */
+#define ICMP_TSTAMPREPLY 14 /* timestamp reply */
+#define ICMP_IREQ 15 /* information request */
+#define ICMP_IREQREPLY 16 /* information reply */
+#define ICMP_MASKREQ 17 /* address mask request */
+#define ICMP_MASKREPLY 18 /* address mask reply */
+#define ICMP_TRACEROUTE 30 /* traceroute */
+#define ICMP_DATACONVERR 31 /* data conversion error */
+#define ICMP_MOBILE_REDIRECT 32 /* mobile host redirect */
+#define ICMP_IPV6_WHEREAREYOU 33 /* IPv6 where-are-you */
+#define ICMP_IPV6_IAMHERE 34 /* IPv6 i-am-here */
+#define ICMP_MOBILE_REGREQUEST 35 /* mobile registration req */
+#define ICMP_MOBILE_REGREPLY 36 /* mobile registration reply */
+#define ICMP_SKIP 39 /* SKIP */
+#define ICMP_PHOTURIS 40 /* Photuris */
+#define ICMP_PHOTURIS_UNKNOWN_INDEX 1 /* unknown sec index */
+#define ICMP_PHOTURIS_AUTH_FAILED 2 /* auth failed */
+#define ICMP_PHOTURIS_DECRYPT_FAILED 3 /* decrypt failed */
-#define ICMP_MAXTYPE 18
+#define ICMP_MAXTYPE 40
-#define ICMP_INFOTYPE(type) \
+#define ICMP_INFOTYPE(type) \
((type) == ICMP_ECHOREPLY || (type) == ICMP_ECHO || \
(type) == ICMP_ROUTERADVERT || (type) == ICMP_ROUTERSOLICIT || \
(type) == ICMP_TSTAMP || (type) == ICMP_TSTAMPREPLY || \
(type) == ICMP_IREQ || (type) == ICMP_IREQREPLY || \
(type) == ICMP_MASKREQ || (type) == ICMP_MASKREPLY)
-#ifdef KERNEL_PRIVATE
-void icmp_error(struct mbuf *, int, int, n_long, struct ifnet *);
-void icmp_input(struct mbuf *, int);
-#endif KERNEL_PRIVATE
+#define ICMP_ERRORTYPE(type) \
+ ((type) == ICMP_UNREACH || (type) == ICMP_SOURCEQUENCH || \
+ (type) == ICMP_REDIRECT || (type) == ICMP_TIMXCEED || \
+ (type) == ICMP_PARAMPROB)
-#endif
+#ifdef BSD_KERNEL_PRIVATE
+void icmp_error(struct mbuf *, int, int, n_long, u_int32_t);
+void icmp_input(struct mbuf *, int);
+int ip_next_mtu(int, int);
+#endif /* BSD_KERNEL_PRIVATE */
+#endif /* _NETINET_IP_ICMP_H_ */
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