/*
- * Copyright (c) 2000,2008-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2015 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#define _NETINET_ICMP6_H_
#include <sys/appleapiopts.h>
-#ifdef XNU_KERNEL_PRIVATE
-#include <sys/mcache.h>
-#endif
-
#define ICMPV6_PLD_MAXLEN 1232 /* IPV6_MMTU - sizeof(struct ip6_hdr)
- sizeof(struct icmp6_hdr) */
#define ND_OPT_PREFIX_INFORMATION 3
#define ND_OPT_REDIRECTED_HEADER 4
#define ND_OPT_MTU 5
+#define ND_OPT_NONCE 14 /* RFC 3971 */
#define ND_OPT_RDNSS 25 /* RFC 5006 */
+#define ND_OPT_DNSSL 31 /* RFC 6106 */
#define ND_OPT_ROUTE_INFO 200 /* draft-ietf-ipngwg-router-preference, not officially assigned yet */
#define ND_OPT_PI_FLAG_ONLINK 0x80
#define ND_OPT_PI_FLAG_AUTO 0x40
+#define ND_OPT_NONCE_LEN ((1 * 8) - 2)
+#if ((ND_OPT_NONCE_LEN + 2) % 8) != 0
+#error "(ND_OPT_NONCE_LEN + 2) must be a multiple of 8."
+#endif
+
+struct nd_opt_nonce { /* nonce option */
+ u_int8_t nd_opt_nonce_type;
+ u_int8_t nd_opt_nonce_len;
+ u_int8_t nd_opt_nonce[ND_OPT_NONCE_LEN];
+} __attribute__((__packed__));
+
struct nd_opt_rd_hdr { /* redirected header */
u_int8_t nd_opt_rh_type;
u_int8_t nd_opt_rh_len;
struct in6_addr nd_opt_rdnss_addr[1];
} __attribute__((__packed__));
+struct nd_opt_dnssl { /* domain name search list */
+ u_int8_t nd_opt_dnssl_type;
+ u_int8_t nd_opt_dnssl_len;
+ u_int16_t nd_opt_dnssl_reserved;
+ u_int32_t nd_opt_dnssl_lifetime;
+ u_int8_t nd_opt_dnssl_domains[8];
+} __attribute__((__packed__));
+
/*
* icmp6 namelookup
*/
u_quad_t icp6s_badrs; /* bad router advertisement */
u_quad_t icp6s_badra; /* bad router advertisement */
u_quad_t icp6s_badredirect; /* bad redirect message */
+ u_quad_t icp6s_rfc6980_drop; /* NDP packet dropped based on RFC 6980 */
};
/*
#if 0 /*obsoleted*/
#define ICMPV6CTL_ERRRATELIMIT 5 /* ICMPv6 error rate limitation */
#endif
-#define ICMPV6CTL_ND6_PRUNE 6
-#define ICMPV6CTL_ND6_DELAY 8
+#define ICMPV6CTL_ND6_PRUNE 6
+#define ICMPV6CTL_ND6_DELAY 8
#define ICMPV6CTL_ND6_UMAXTRIES 9
#define ICMPV6CTL_ND6_MMAXTRIES 10
#define ICMPV6CTL_ND6_USELOOPBACK 11
/*#define ICMPV6CTL_ND6_PROXYALL 12 obsoleted, do not reuse here */
-#define ICMPV6CTL_NODEINFO 13
+#define ICMPV6CTL_NODEINFO 13
#define ICMPV6CTL_ERRPPSLIMIT 14 /* ICMPv6 error pps limitation */
#define ICMPV6CTL_ND6_MAXNUDHINT 15
#define ICMPV6CTL_MTUDISC_HIWAT 16
#define ICMPV6CTL_MTUDISC_LOWAT 17
-#define ICMPV6CTL_ND6_DEBUG 18
+#define ICMPV6CTL_ND6_DEBUG 18
#define ICMPV6CTL_ND6_DRLIST 19
#define ICMPV6CTL_ND6_PRLIST 20
#define ICMPV6CTL_MLD_MAXSRCFILTER 21
#define ICMPV6CTL_MLD_SOMAXSRC 22
#define ICMPV6CTL_MLD_VERSION 23
#define ICMPV6CTL_ND6_MAXQLEN 24
-#define ICMPV6CTL_ND6_ACCEPT_6TO4 25
-#define ICMPV6CTL_MAXID 26
+#define ICMPV6CTL_ND6_ACCEPT_6TO4 25
+#define ICMPV6CTL_ND6_OPTIMISTIC_DAD 26 /* RFC 4429 */
+#define ICMPV6CTL_MAXID 27
-#ifdef KERNEL_PRIVATE
+#ifdef BSD_KERNEL_PRIVATE
#define ICMPV6CTL_NAMES { \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ "nd6_accept_6to4", CTLTYPE_INT }, \
+ { "nd6_optimistic_dad", CTLTYPE_INT }, \
}
-#define RTF_PROBEMTU RTF_PROTO1
-
# ifdef __STDC__
struct rtentry;
struct rttimer;
struct in6_multi;
# endif
-void icmp6_init(void);
+struct ip6protosw;
+void icmp6_init(struct ip6protosw *, struct domain *);
void icmp6_paramerror(struct mbuf *, int);
+
+void icmp6_error_flag(struct mbuf *, int, int, int, int);
+#define ICMP6_ERROR_RST_MRCVIF 0x1
+
void icmp6_error(struct mbuf *, int, int, int);
void icmp6_error2(struct mbuf *, int, int, int, struct ifnet *);
int icmp6_input(struct mbuf **, int *, int);
extern lck_rw_t icmp6_ifs_rwlock;
/* XXX: is this the right place for these macros? */
-#define icmp6_ifstat_inc(ifp, tag) \
-do { \
- lck_rw_lock_shared(&icmp6_ifs_rwlock); \
- if ((ifp) && (ifp)->if_index <= if_index \
- && (ifp)->if_index < icmp6_ifstatmax \
- && icmp6_ifstat && icmp6_ifstat[(ifp)->if_index]) { \
- atomic_add_64(&icmp6_ifstat[(ifp)->if_index]->tag, 1); \
- } \
- lck_rw_done(&icmp6_ifs_rwlock); \
+/* N.B.: if_inet6data is never freed once set, so we don't need to lock */
+#define icmp6_ifstat_inc(_ifp, _tag) do { \
+ if (_ifp != NULL && IN6_IFEXTRA(_ifp) != NULL) { \
+ IN6_IFEXTRA(_ifp)->icmp6_ifstat._tag++; \
+ } \
} while (0)
-#define icmp6_ifoutstat_inc(ifp, type, code) \
-do { \
- icmp6_ifstat_inc(ifp, ifs6_out_msg); \
- if (type < ICMP6_INFOMSG_MASK) \
- icmp6_ifstat_inc(ifp, ifs6_out_error); \
- switch (type) { \
- case ICMP6_DST_UNREACH: \
- icmp6_ifstat_inc(ifp, ifs6_out_dstunreach); \
- if (code == ICMP6_DST_UNREACH_ADMIN) \
- icmp6_ifstat_inc(ifp, ifs6_out_adminprohib); \
- break; \
- case ICMP6_PACKET_TOO_BIG: \
- icmp6_ifstat_inc(ifp, ifs6_out_pkttoobig); \
- break; \
- case ICMP6_TIME_EXCEEDED: \
- icmp6_ifstat_inc(ifp, ifs6_out_timeexceed); \
- break; \
- case ICMP6_PARAM_PROB: \
- icmp6_ifstat_inc(ifp, ifs6_out_paramprob); \
- break; \
- case ICMP6_ECHO_REQUEST: \
- icmp6_ifstat_inc(ifp, ifs6_out_echo); \
- break; \
- case ICMP6_ECHO_REPLY: \
- icmp6_ifstat_inc(ifp, ifs6_out_echoreply); \
- break; \
- case MLD_LISTENER_QUERY: \
- icmp6_ifstat_inc(ifp, ifs6_out_mldquery); \
- break; \
- case MLD_LISTENER_REPORT: \
- icmp6_ifstat_inc(ifp, ifs6_out_mldreport); \
- break; \
- case MLD_LISTENER_DONE: \
- icmp6_ifstat_inc(ifp, ifs6_out_mlddone); \
- break; \
- case ND_ROUTER_SOLICIT: \
- icmp6_ifstat_inc(ifp, ifs6_out_routersolicit); \
- break; \
- case ND_ROUTER_ADVERT: \
- icmp6_ifstat_inc(ifp, ifs6_out_routeradvert); \
- break; \
- case ND_NEIGHBOR_SOLICIT: \
- icmp6_ifstat_inc(ifp, ifs6_out_neighborsolicit); \
- break; \
- case ND_NEIGHBOR_ADVERT: \
- icmp6_ifstat_inc(ifp, ifs6_out_neighboradvert); \
- break; \
- case ND_REDIRECT: \
- icmp6_ifstat_inc(ifp, ifs6_out_redirect); \
- break; \
- } \
+#define icmp6_ifoutstat_inc(ifp, type, code) do { \
+ icmp6_ifstat_inc(ifp, ifs6_out_msg); \
+ if (type < ICMP6_INFOMSG_MASK) \
+ icmp6_ifstat_inc(ifp, ifs6_out_error); \
+ switch (type) { \
+ case ICMP6_DST_UNREACH: \
+ icmp6_ifstat_inc(ifp, ifs6_out_dstunreach); \
+ if (code == ICMP6_DST_UNREACH_ADMIN) \
+ icmp6_ifstat_inc(ifp, ifs6_out_adminprohib);\
+ break; \
+ case ICMP6_PACKET_TOO_BIG: \
+ icmp6_ifstat_inc(ifp, ifs6_out_pkttoobig); \
+ break; \
+ case ICMP6_TIME_EXCEEDED: \
+ icmp6_ifstat_inc(ifp, ifs6_out_timeexceed); \
+ break; \
+ case ICMP6_PARAM_PROB: \
+ icmp6_ifstat_inc(ifp, ifs6_out_paramprob); \
+ break; \
+ case ICMP6_ECHO_REQUEST: \
+ icmp6_ifstat_inc(ifp, ifs6_out_echo); \
+ break; \
+ case ICMP6_ECHO_REPLY: \
+ icmp6_ifstat_inc(ifp, ifs6_out_echoreply); \
+ break; \
+ case MLD_LISTENER_QUERY: \
+ icmp6_ifstat_inc(ifp, ifs6_out_mldquery); \
+ break; \
+ case MLD_LISTENER_REPORT: \
+ icmp6_ifstat_inc(ifp, ifs6_out_mldreport); \
+ break; \
+ case MLD_LISTENER_DONE: \
+ icmp6_ifstat_inc(ifp, ifs6_out_mlddone); \
+ break; \
+ case ND_ROUTER_SOLICIT: \
+ icmp6_ifstat_inc(ifp, ifs6_out_routersolicit); \
+ break; \
+ case ND_ROUTER_ADVERT: \
+ icmp6_ifstat_inc(ifp, ifs6_out_routeradvert); \
+ break; \
+ case ND_NEIGHBOR_SOLICIT: \
+ icmp6_ifstat_inc(ifp, ifs6_out_neighborsolicit);\
+ break; \
+ case ND_NEIGHBOR_ADVERT: \
+ icmp6_ifstat_inc(ifp, ifs6_out_neighboradvert); \
+ break; \
+ case ND_REDIRECT: \
+ icmp6_ifstat_inc(ifp, ifs6_out_redirect); \
+ break; \
+ } \
} while (0)
extern int icmp6_rediraccept; /* accept/process redirects */
#define ICMP6_NODEINFO_TMPADDROK 0x4
#define ICMP6_NODEINFO_GLOBALOK 0x8
-#endif /* KERNEL_PRIVATE */
+#endif /* BSD_KERNEL_PRIVATE */
#endif /* !_NETINET_ICMP6_H_ */
projects / apple / xnu.git / blobdiff