/*
- * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2020 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
*/
#ifndef _NETINET6_IP6_VAR_H_
-#define _NETINET6_IP6_VAR_H_
+#define _NETINET6_IP6_VAR_H_
#include <sys/appleapiopts.h>
#ifdef BSD_KERNEL_PRIVATE
* IP6 reassembly queue structure. Each fragment
* being reassembled is attached to one of these structures.
*/
-struct ip6q {
+struct ip6q {
struct ip6asfrag *ip6q_down;
struct ip6asfrag *ip6q_up;
- u_int32_t ip6q_ident;
- u_int8_t ip6q_nxt;
- u_int8_t ip6q_ecn;
- u_int8_t ip6q_ttl;
+ u_int32_t ip6q_ident;
+ u_int8_t ip6q_nxt;
+ u_int8_t ip6q_ecn;
+ u_int8_t ip6q_ttl;
struct in6_addr ip6q_src, ip6q_dst;
- struct ip6q *ip6q_next;
- struct ip6q *ip6q_prev;
- int ip6q_unfrglen; /* len of unfragmentable part */
+ struct ip6q *ip6q_next;
+ struct ip6q *ip6q_prev;
+ int ip6q_unfrglen; /* len of unfragmentable part */
#ifdef notyet
- u_char *ip6q_nxtp;
+ u_char *ip6q_nxtp;
#endif
- int ip6q_nfrag; /* # of fragments */
- uint32_t ip6q_csum_flags; /* checksum flags */
- uint32_t ip6q_csum; /* partial checksum value */
+ int ip6q_nfrag; /* # of fragments */
+ uint32_t ip6q_csum_flags; /* checksum flags */
+ uint32_t ip6q_csum; /* partial checksum value */
};
-struct ip6asfrag {
+struct ip6asfrag {
struct ip6asfrag *ip6af_down;
struct ip6asfrag *ip6af_up;
- struct mbuf *ip6af_m;
- int ip6af_offset; /* offset in ip6af_m to next header */
- int ip6af_frglen; /* fragmentable part length */
- int ip6af_off; /* fragment offset */
- u_int16_t ip6af_mff; /* more fragment bit in frag off */
+ struct mbuf *ip6af_m;
+ int ip6af_offset; /* offset in ip6af_m to next header */
+ int ip6af_frglen; /* fragmentable part length */
+ int ip6af_off; /* fragment offset */
+ u_int16_t ip6af_mff; /* more fragment bit in frag off */
};
-#define IP6_REASS_MBUF(ip6af) (*(struct mbuf **)&((ip6af)->ip6af_m))
+#define IP6_REASS_MBUF(ip6af) (*(struct mbuf **)&((ip6af)->ip6af_m))
-struct ip6_moptions {
+struct ip6_moptions {
decl_lck_mtx_data(, im6o_lock);
- uint32_t im6o_refcnt; /* ref count */
- uint32_t im6o_debug; /* see ifa_debug flags */
- struct ifnet *im6o_multicast_ifp; /* ifp for outgoing multicasts */
- u_char im6o_multicast_hlim; /* hoplimit for outgoing multicasts */
- u_char im6o_multicast_loop; /* 1 >= hear sends if a member */
- u_short im6o_num_memberships; /* no. memberships this socket */
- u_short im6o_max_memberships; /* max memberships this socket */
- struct in6_multi **im6o_membership; /* group memberships */
- struct in6_mfilter *im6o_mfilters; /* source filters */
- void (*im6o_trace) /* callback fn for tracing refs */
- (struct ip6_moptions *, int);
+ uint32_t im6o_refcnt; /* ref count */
+ uint32_t im6o_debug; /* see ifa_debug flags */
+ struct ifnet *im6o_multicast_ifp; /* ifp for outgoing multicasts */
+ u_char im6o_multicast_hlim; /* hoplimit for outgoing multicasts */
+ u_char im6o_multicast_loop; /* 1 >= hear sends if a member */
+ u_short im6o_num_memberships; /* no. memberships this socket */
+ u_short im6o_max_memberships; /* max memberships this socket */
+ struct in6_multi **im6o_membership; /* group memberships */
+ struct in6_mfilter *im6o_mfilters; /* source filters */
+ void (*im6o_trace) /* callback fn for tracing refs */
+ (struct ip6_moptions *, int);
};
-#define IM6O_LOCK_ASSERT_HELD(_im6o) \
- lck_mtx_assert(&(_im6o)->im6o_lock, LCK_MTX_ASSERT_OWNED)
+#define IM6O_LOCK_ASSERT_HELD(_im6o) \
+ LCK_MTX_ASSERT(&(_im6o)->im6o_lock, LCK_MTX_ASSERT_OWNED)
-#define IM6O_LOCK_ASSERT_NOTHELD(_im6o) \
- lck_mtx_assert(&(_im6o)->im6o_lock, LCK_MTX_ASSERT_NOTOWNED)
+#define IM6O_LOCK_ASSERT_NOTHELD(_im6o) \
+ LCK_MTX_ASSERT(&(_im6o)->im6o_lock, LCK_MTX_ASSERT_NOTOWNED)
-#define IM6O_LOCK(_im6o) \
+#define IM6O_LOCK(_im6o) \
lck_mtx_lock(&(_im6o)->im6o_lock)
-#define IM6O_LOCK_SPIN(_im6o) \
+#define IM6O_LOCK_SPIN(_im6o) \
lck_mtx_lock_spin(&(_im6o)->im6o_lock)
-#define IM6O_CONVERT_LOCK(_im6o) do { \
- IM6O_LOCK_ASSERT_HELD(_im6o); \
- lck_mtx_convert_spin(&(_im6o)->im6o_lock); \
+#define IM6O_CONVERT_LOCK(_im6o) do { \
+ IM6O_LOCK_ASSERT_HELD(_im6o); \
+ lck_mtx_convert_spin(&(_im6o)->im6o_lock); \
} while (0)
-#define IM6O_UNLOCK(_im6o) \
+#define IM6O_UNLOCK(_im6o) \
lck_mtx_unlock(&(_im6o)->im6o_lock)
-#define IM6O_ADDREF(_im6o) \
+#define IM6O_ADDREF(_im6o) \
im6o_addref(_im6o, 0)
-#define IM6O_ADDREF_LOCKED(_im6o) \
+#define IM6O_ADDREF_LOCKED(_im6o) \
im6o_addref(_im6o, 1)
-#define IM6O_REMREF(_im6o) \
+#define IM6O_REMREF(_im6o) \
im6o_remref(_im6o)
struct ip6_exthdrs {
struct mbuf *ip6e_dest1;
struct mbuf *ip6e_rthdr;
struct mbuf *ip6e_dest2;
+ boolean_t merged;
};
/*
*/
/* Routing header related info */
-struct ip6po_rhinfo {
- struct ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */
- struct route_in6 ip6po_rhi_route; /* Route to the 1st hop */
+struct ip6po_rhinfo {
+ struct ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */
+ struct route_in6 ip6po_rhi_route; /* Route to the 1st hop */
};
-#define ip6po_rthdr ip6po_rhinfo.ip6po_rhi_rthdr
-#define ip6po_route ip6po_rhinfo.ip6po_rhi_route
+#define ip6po_rthdr ip6po_rhinfo.ip6po_rhi_rthdr
+#define ip6po_route ip6po_rhinfo.ip6po_rhi_route
/* Nexthop related info */
-struct ip6po_nhinfo {
- struct sockaddr *ip6po_nhi_nexthop;
- struct route_in6 ip6po_nhi_route; /* Route to the nexthop */
+struct ip6po_nhinfo {
+ struct sockaddr *ip6po_nhi_nexthop;
+ struct route_in6 ip6po_nhi_route; /* Route to the nexthop */
};
-#define ip6po_nexthop ip6po_nhinfo.ip6po_nhi_nexthop
-#define ip6po_nextroute ip6po_nhinfo.ip6po_nhi_route
+#define ip6po_nexthop ip6po_nhinfo.ip6po_nhi_nexthop
+#define ip6po_nextroute ip6po_nhinfo.ip6po_nhi_route
-struct ip6_pktopts {
- struct mbuf *ip6po_m; /* Pointer to mbuf storing the data */
- int ip6po_hlim; /* Hoplimit for outgoing packets */
+struct ip6_pktopts {
+ struct mbuf *ip6po_m; /* Pointer to mbuf storing the data */
+ int ip6po_hlim; /* Hoplimit for outgoing packets */
/* Outgoing IF/address information */
- struct in6_pktinfo *ip6po_pktinfo;
+ struct in6_pktinfo *ip6po_pktinfo;
/* Next-hop address information */
- struct ip6po_nhinfo ip6po_nhinfo;
+ struct ip6po_nhinfo ip6po_nhinfo;
- struct ip6_hbh *ip6po_hbh; /* Hop-by-Hop options header */
+ struct ip6_hbh *ip6po_hbh; /* Hop-by-Hop options header */
/* Destination options header (before a routing header) */
- struct ip6_dest *ip6po_dest1;
+ struct ip6_dest *ip6po_dest1;
/* Routing header related info. */
- struct ip6po_rhinfo ip6po_rhinfo;
+ struct ip6po_rhinfo ip6po_rhinfo;
/* Destination options header (after a routing header) */
- struct ip6_dest *ip6po_dest2;
+ struct ip6_dest *ip6po_dest2;
- int ip6po_tclass; /* traffic class */
+ int ip6po_tclass; /* traffic class */
- int ip6po_minmtu; /* fragment vs PMTU discovery policy */
-#define IP6PO_MINMTU_MCASTONLY -1 /* default; send at min MTU for multicast */
-#define IP6PO_MINMTU_DISABLE 0 /* always perform pmtu disc */
-#define IP6PO_MINMTU_ALL 1 /* always send at min MTU */
+ int ip6po_minmtu; /* fragment vs PMTU discovery policy */
+#define IP6PO_MINMTU_MCASTONLY -1 /* default; send at min MTU for multicast */
+#define IP6PO_MINMTU_DISABLE 0 /* always perform pmtu disc */
+#define IP6PO_MINMTU_ALL 1 /* always send at min MTU */
/* whether temporary addresses are preferred as source address */
- int ip6po_prefer_tempaddr;
+ int ip6po_prefer_tempaddr;
-#define IP6PO_TEMPADDR_SYSTEM -1 /* follow the system default */
-#define IP6PO_TEMPADDR_NOTPREFER 0 /* not prefer temporary address */
-#define IP6PO_TEMPADDR_PREFER 1 /* prefer temporary address */
+#define IP6PO_TEMPADDR_SYSTEM -1 /* follow the system default */
+#define IP6PO_TEMPADDR_NOTPREFER 0 /* not prefer temporary address */
+#define IP6PO_TEMPADDR_PREFER 1 /* prefer temporary address */
int ip6po_flags;
-#if 0 /* parameters in this block is obsolete. do not reuse the values. */
-#define IP6PO_REACHCONF 0x01 /* upper-layer reachability confirmation. */
-#define IP6PO_MINMTU 0x02 /* use minimum MTU (IPV6_USE_MIN_MTU) */
+#if 0 /* parameters in this block is obsolete. do not reuse the values. */
+#define IP6PO_REACHCONF 0x01 /* upper-layer reachability confirmation. */
+#define IP6PO_MINMTU 0x02 /* use minimum MTU (IPV6_USE_MIN_MTU) */
#endif
-#define IP6PO_DONTFRAG 0x04 /* no fragmentation (IPV6_DONTFRAG) */
-#define IP6PO_USECOA 0x08 /* use care of address */
+#define IP6PO_DONTFRAG 0x04 /* no fragmentation (IPV6_DONTFRAG) */
+#define IP6PO_USECOA 0x08 /* use care of address */
};
/*
*/
#endif /* BSD_KERNEL_PRIVATE */
-struct ip6stat {
- u_quad_t ip6s_total; /* total packets received */
- u_quad_t ip6s_tooshort; /* packet too short */
- u_quad_t ip6s_toosmall; /* not enough data */
- u_quad_t ip6s_fragments; /* fragments received */
- u_quad_t ip6s_fragdropped; /* frags dropped(dups, out of space) */
- u_quad_t ip6s_fragtimeout; /* fragments timed out */
- u_quad_t ip6s_fragoverflow; /* fragments that exceeded limit */
- u_quad_t ip6s_forward; /* packets forwarded */
- u_quad_t ip6s_cantforward; /* packets rcvd for unreachable dest */
- u_quad_t ip6s_redirectsent; /* packets forwarded on same net */
- u_quad_t ip6s_delivered; /* datagrams delivered to upper level */
- u_quad_t ip6s_localout; /* total ip packets generated here */
- u_quad_t ip6s_odropped; /* lost packets due to nobufs, etc. */
- u_quad_t ip6s_reassembled; /* total packets reassembled ok */
- u_quad_t ip6s_fragmented; /* datagrams successfully fragmented */
- u_quad_t ip6s_ofragments; /* output fragments created */
- u_quad_t ip6s_cantfrag; /* don't fragment flag was set, etc. */
- u_quad_t ip6s_badoptions; /* error in option processing */
- u_quad_t ip6s_noroute; /* packets discarded due to no route */
- u_quad_t ip6s_badvers; /* ip6 version != 6 */
- u_quad_t ip6s_rawout; /* total raw ip packets generated */
- u_quad_t ip6s_badscope; /* scope error */
- u_quad_t ip6s_notmember; /* don't join this multicast group */
- u_quad_t ip6s_nxthist[256]; /* next header history */
- u_quad_t ip6s_m1; /* one mbuf */
- u_quad_t ip6s_m2m[32]; /* two or more mbuf */
- u_quad_t ip6s_mext1; /* one ext mbuf */
- u_quad_t ip6s_mext2m; /* two or more ext mbuf */
- u_quad_t ip6s_exthdrtoolong; /* ext hdr are not continuous */
- u_quad_t ip6s_nogif; /* no match gif found */
- u_quad_t ip6s_toomanyhdr; /* discarded due to too many headers */
+#define IP6S_SRCRULE_COUNT 16
+#include <netinet6/scope6_var.h>
+
+struct ip6stat {
+ u_quad_t ip6s_total; /* total packets received */
+ u_quad_t ip6s_tooshort; /* packet too short */
+ u_quad_t ip6s_toosmall; /* not enough data */
+ u_quad_t ip6s_fragments; /* fragments received */
+ u_quad_t ip6s_fragdropped; /* frags dropped(dups, out of space) */
+ u_quad_t ip6s_fragtimeout; /* fragments timed out */
+ u_quad_t ip6s_fragoverflow; /* fragments that exceeded limit */
+ u_quad_t ip6s_forward; /* packets forwarded */
+ u_quad_t ip6s_cantforward; /* packets rcvd for unreachable dest */
+ u_quad_t ip6s_redirectsent; /* packets forwarded on same net */
+ u_quad_t ip6s_delivered; /* datagrams delivered to upper level */
+ u_quad_t ip6s_localout; /* total ip packets generated here */
+ u_quad_t ip6s_odropped; /* lost packets due to nobufs, etc. */
+ u_quad_t ip6s_reassembled; /* total packets reassembled ok */
+ u_quad_t ip6s_atmfrag_rcvd; /* atomic fragments received */
+ u_quad_t ip6s_fragmented; /* datagrams successfully fragmented */
+ u_quad_t ip6s_ofragments; /* output fragments created */
+ u_quad_t ip6s_cantfrag; /* don't fragment flag was set, etc. */
+ u_quad_t ip6s_badoptions; /* error in option processing */
+ u_quad_t ip6s_noroute; /* packets discarded due to no route */
+ u_quad_t ip6s_badvers; /* ip6 version != 6 */
+ u_quad_t ip6s_rawout; /* total raw ip packets generated */
+ u_quad_t ip6s_badscope; /* scope error */
+ u_quad_t ip6s_notmember; /* don't join this multicast group */
+ u_quad_t ip6s_nxthist[256]; /* next header history */
+ u_quad_t ip6s_m1; /* one mbuf */
+ u_quad_t ip6s_m2m[32]; /* two or more mbuf */
+ u_quad_t ip6s_mext1; /* one ext mbuf */
+ u_quad_t ip6s_mext2m; /* two or more ext mbuf */
+ u_quad_t ip6s_exthdrtoolong; /* ext hdr are not continuous */
+ u_quad_t ip6s_nogif; /* no match gif found */
+ u_quad_t ip6s_toomanyhdr; /* discarded due to too many headers */
/*
* statistics for improvement of the source address selection
* algorithm:
- * XXX: hardcoded 16 = # of ip6 multicast scope types + 1
*/
/* number of times that address selection fails */
u_quad_t ip6s_sources_none;
/* number of times that an address on the outgoing I/F is chosen */
- u_quad_t ip6s_sources_sameif[16];
+ u_quad_t ip6s_sources_sameif[SCOPE6_ID_MAX];
/* number of times that an address on a non-outgoing I/F is chosen */
- u_quad_t ip6s_sources_otherif[16];
+ u_quad_t ip6s_sources_otherif[SCOPE6_ID_MAX];
/*
* number of times that an address that has the same scope
* from the destination is chosen.
*/
- u_quad_t ip6s_sources_samescope[16];
+ u_quad_t ip6s_sources_samescope[SCOPE6_ID_MAX];
/*
* number of times that an address that has a different scope
* from the destination is chosen.
*/
- u_quad_t ip6s_sources_otherscope[16];
+ u_quad_t ip6s_sources_otherscope[SCOPE6_ID_MAX];
/* number of times that a deprecated address is chosen */
- u_quad_t ip6s_sources_deprecated[16];
+ u_quad_t ip6s_sources_deprecated[SCOPE6_ID_MAX];
u_quad_t ip6s_forward_cachehit;
u_quad_t ip6s_forward_cachemiss;
/* number of times that each rule of source selection is applied. */
- u_quad_t ip6s_sources_rule[16];
+ u_quad_t ip6s_sources_rule[IP6S_SRCRULE_COUNT];
+
+ /* number of times we ignored address on expensive secondary interfaces */
+ u_quad_t ip6s_sources_skip_expensive_secondary_if;
+
/* pkt dropped, no mbufs for control data */
u_quad_t ip6s_pktdropcntrl;
/* duplicate address detection collisions */
u_quad_t ip6s_dad_collide;
+
+ /* DAD NS looped back */
+ u_quad_t ip6s_dad_loopcount;
+
+ /* NECP policy related drop */
+ u_quad_t ip6s_necp_policy_drop;
+
+ /* CLAT46 stats */
+ u_quad_t ip6s_clat464_in_tooshort_drop;
+ u_quad_t ip6s_clat464_in_nov6addr_drop;
+ u_quad_t ip6s_clat464_in_nov4addr_drop;
+ u_quad_t ip6s_clat464_in_v4synthfail_drop;
+ u_quad_t ip6s_clat464_in_64transfail_drop;
+ u_quad_t ip6s_clat464_in_64proto_transfail_drop;
+ u_quad_t ip6s_clat464_in_64frag_transfail_drop;
+ u_quad_t ip6s_clat464_in_invalpbuf_drop;
+ u_quad_t ip6s_clat464_in_success;
+ u_quad_t ip6s_clat464_in_drop;
+ u_quad_t ip6s_clat464_in_v4_drop;
+
+ u_quad_t ip6s_clat464_out_nov6addr_drop;
+ u_quad_t ip6s_clat464_out_v6synthfail_drop;
+ u_quad_t ip6s_clat464_out_46transfail_drop;
+ u_quad_t ip6s_clat464_out_46proto_transfail_drop;
+ u_quad_t ip6s_clat464_out_46frag_transfail_drop;
+ u_quad_t ip6s_clat464_out_invalpbuf_drop;
+ u_quad_t ip6s_clat464_out_success;
+ u_quad_t ip6s_clat464_out_drop;
+
+ u_quad_t ip6s_clat464_v6addr_conffail;
+ u_quad_t ip6s_clat464_plat64_pfx_setfail;
+ u_quad_t ip6s_clat464_plat64_pfx_getfail;
+
+ u_quad_t ip6s_rcv_if_weak_match;
+ u_quad_t ip6s_rcv_if_no_match;
+};
+
+enum ip6s_sources_rule_index {
+ IP6S_SRCRULE_0, IP6S_SRCRULE_1, IP6S_SRCRULE_2, IP6S_SRCRULE_3, IP6S_SRCRULE_4,
+ IP6S_SRCRULE_5, IP6S_SRCRULE_6, IP6S_SRCRULE_7,
+ IP6S_SRCRULE_7x, IP6S_SRCRULE_8
};
#ifdef BSD_KERNEL_PRIVATE
*/
struct ip6aux {
u_int32_t ip6a_flags;
-#define IP6A_HASEEN 0x01 /* HA was present */
+#define IP6A_HASEEN 0x01 /* HA was present */
#ifdef notyet
-#define IP6A_SWAP 0x02 /* swapped home/care-of on packet */
-#define IP6A_BRUID 0x04 /* BR Unique Identifier was present */
-#define IP6A_RTALERTSEEN 0x08 /* rtalert present */
+#define IP6A_SWAP 0x02 /* swapped home/care-of on packet */
+#define IP6A_BRUID 0x04 /* BR Unique Identifier was present */
+#define IP6A_RTALERTSEEN 0x08 /* rtalert present */
/* ip6.ip6_src */
- struct in6_addr ip6a_careof; /* care-of address of the peer */
- struct in6_addr ip6a_home; /* home address of the peer */
- u_int16_t ip6a_bruid; /* BR unique identifier */
+ struct in6_addr ip6a_careof; /* care-of address of the peer */
+ struct in6_addr ip6a_home; /* home address of the peer */
+ u_int16_t ip6a_bruid; /* BR unique identifier */
/* rtalert */
- u_int16_t ip6a_rtalert; /* rtalert option value */
+ u_int16_t ip6a_rtalert; /* rtalert option value */
#endif /* notyet */
/* ether source address if all-nodes multicast destination */
};
/* flags passed to ip6_output as last parameter */
-#define IPV6_UNSPECSRC 0x01 /* allow :: as the source address */
-#define IPV6_FORWARDING 0x02 /* most of IPv6 header exists */
-#define IPV6_MINMTU 0x04 /* use minimum MTU (IPV6_USE_MIN_MTU) */
-#define IPV6_FLAG_NOSRCIFSEL 0x80 /* bypas source address selection */
-#define IPV6_OUTARGS 0x100 /* has ancillary output info */
+#define IPV6_UNSPECSRC 0x01 /* allow :: as the source address */
+#define IPV6_FORWARDING 0x02 /* most of IPv6 header exists */
+#define IPV6_MINMTU 0x04 /* use minimum MTU (IPV6_USE_MIN_MTU) */
+#define IPV6_FLAG_NOSRCIFSEL 0x80 /* bypas source address selection */
+#define IPV6_OUTARGS 0x100 /* has ancillary output info */
#ifdef BSD_KERNEL_PRIVATE
-#define IP6_HDR_ALIGNED_P(_ip6) ((((uintptr_t)(_ip6)) & ((uintptr_t)3)) == 0)
+#define IP6_HDR_ALIGNED_P(_ip6) ((((uintptr_t)(_ip6)) & ((uintptr_t)3)) == 0)
/*
* On platforms which require strict alignment (currently for anything but
* is 32-bit aligned, and assert otherwise.
*/
#if defined(__i386__) || defined(__x86_64__)
-#define IP6_HDR_STRICT_ALIGNMENT_CHECK(_ip6) do { } while (0)
+#define IP6_HDR_STRICT_ALIGNMENT_CHECK(_ip6) do { } while (0)
#else /* !__i386__ && !__x86_64__ */
-#define IP6_HDR_STRICT_ALIGNMENT_CHECK(_ip6) do { \
- if (!IP_HDR_ALIGNED_P(_ip6)) { \
- panic_plain("\n%s: Unaligned IPv6 header %p\n", \
- __func__, _ip6); \
- } \
+#define IP6_HDR_STRICT_ALIGNMENT_CHECK(_ip6) do { \
+ if (!IP_HDR_ALIGNED_P(_ip6)) { \
+ panic_plain("\n%s: Unaligned IPv6 header %p\n", \
+ __func__, _ip6); \
+ } \
} while (0)
#endif /* !__i386__ && !__x86_64__ */
#endif /* BSD_KERNEL_PRIVATE */
* Extra information passed to ip6_output when IPV6_OUTARGS is set.
*/
struct ip6_out_args {
- unsigned int ip6oa_boundif; /* bound outgoing interface */
- struct flowadv ip6oa_flowadv; /* flow advisory code */
- u_int32_t ip6oa_flags; /* IP6OAF flags (see below) */
-#define IP6OAF_SELECT_SRCIF 0x00000001 /* src interface selection */
-#define IP6OAF_BOUND_IF 0x00000002 /* boundif value is valid */
-#define IP6OAF_BOUND_SRCADDR 0x00000004 /* bound to src address */
-#define IP6OAF_NO_CELLULAR 0x00000010 /* skip IFT_CELLULAR */
- u_int32_t ip6oa_retflags; /* IP6OARF return flags (see below) */
-#define IP6OARF_IFDENIED 0x00000001 /* denied access to interface */
+ unsigned int ip6oa_boundif; /* bound outgoing interface */
+ struct flowadv ip6oa_flowadv; /* flow advisory code */
+ u_int32_t ip6oa_flags; /* IP6OAF flags (see below) */
+#define IP6OAF_SELECT_SRCIF 0x00000001 /* src interface selection */
+#define IP6OAF_BOUND_IF 0x00000002 /* boundif value is valid */
+#define IP6OAF_BOUND_SRCADDR 0x00000004 /* bound to src address */
+#define IP6OAF_NO_CELLULAR 0x00000010 /* skip IFT_CELLULAR */
+#define IP6OAF_NO_EXPENSIVE 0x00000020 /* skip IFEF_EXPENSIVE */
+#define IP6OAF_AWDL_UNRESTRICTED 0x00000040 /* privileged AWDL */
+#define IP6OAF_QOSMARKING_ALLOWED 0x00000080 /* policy allows Fastlane DSCP marking */
+#define IP6OAF_INTCOPROC_ALLOWED 0x00000100 /* access to internal coproc interfaces */
+#define IP6OAF_NO_LOW_POWER 0x00000200 /* skip low power */
+#define IP6OAF_NO_CONSTRAINED 0x00000400 /* skip IFXF_CONSTRAINED */
+#define IP6OAF_SKIP_PF 0x00000800 /* skip PF */
+ u_int32_t ip6oa_retflags; /* IP6OARF return flags (see below) */
+#define IP6OARF_IFDENIED 0x00000001 /* denied access to interface */
+ int ip6oa_sotc; /* traffic class for Fastlane DSCP mapping */
+ int ip6oa_netsvctype;
};
-extern struct ip6stat ip6stat; /* statistics */
-extern int ip6_defhlim; /* default hop limit */
-extern int ip6_defmcasthlim; /* default multicast hop limit */
-extern int ip6_forwarding; /* act as router? */
-extern int ip6_gif_hlim; /* Hop limit for gif encap packet */
-extern int ip6_use_deprecated; /* allow deprecated addr as source */
-extern int ip6_rr_prune; /* router renumbering prefix */
- /* walk list every 5 sec. */
-extern int ip6_mcast_pmtu; /* enable pMTU discovery for multicast? */
-#define ip6_mapped_addr_on (!ip6_v6only)
+extern struct ip6stat ip6stat; /* statistics */
+extern int ip6_defhlim; /* default hop limit */
+extern int ip6_defmcasthlim; /* default multicast hop limit */
+extern int ip6_forwarding; /* act as router? */
+extern int ip6_gif_hlim; /* Hop limit for gif encap packet */
+extern int ip6_use_deprecated; /* allow deprecated addr as source */
+extern int ip6_rr_prune; /* router renumbering prefix */
+ /* walk list every 5 sec. */
+extern int ip6_mcast_pmtu; /* enable pMTU discovery for multicast? */
+#define ip6_mapped_addr_on (!ip6_v6only)
extern int ip6_v6only;
extern int ip6_neighborgcthresh; /* Threshold # of NDP entries for GC */
-extern int ip6_maxifprefixes; /* Max acceptable prefixes via RA per IF */
-extern int ip6_maxifdefrouters; /* Max acceptable def routers via RA */
-extern int ip6_maxdynroutes; /* Max # of routes created via redirect */
-#if MROUTING
-extern struct socket *ip6_mrouter; /* multicast routing daemon */
-#endif /* MROUTING */
-extern int ip6_sendredirects; /* send IP redirects when forwarding? */
-extern int ip6_accept_rtadv; /* deprecated */
+extern int ip6_maxifprefixes; /* Max acceptable prefixes via RA per IF */
+extern int ip6_maxifdefrouters; /* Max acceptable def routers via RA */
+extern int ip6_maxdynroutes; /* Max # of routes created via redirect */
+extern int ip6_sendredirects; /* send IP redirects when forwarding? */
+extern int ip6_accept_rtadv; /* deprecated */
extern int ip6_log_interval;
extern uint64_t ip6_log_time;
-extern int ip6_hdrnestlimit; /* upper limit of # of extension headers */
-extern int ip6_dad_count; /* DupAddrDetectionTransmits */
+extern int ip6_hdrnestlimit; /* upper limit of # of extension headers */
+extern int ip6_dad_count; /* DupAddrDetectionTransmits */
/* RFC4193 Unique Local Unicast Prefixes only */
extern int ip6_only_allow_rfc4193_prefix;
extern int ip6_auto_flowlabel;
extern int ip6_auto_linklocal;
-extern int ip6_anonportmin; /* minimum ephemeral port */
-extern int ip6_anonportmax; /* maximum ephemeral port */
-extern int ip6_lowportmin; /* minimum reserved port */
-extern int ip6_lowportmax; /* maximum reserved port */
+extern int ip6_anonportmin; /* minimum ephemeral port */
+extern int ip6_anonportmax; /* maximum ephemeral port */
+extern int ip6_lowportmin; /* minimum reserved port */
+extern int ip6_lowportmax; /* maximum reserved port */
extern int ip6_use_tempaddr; /* whether to use temporary addresses. */
extern struct pr_usrreqs rip6_usrreqs;
extern struct pr_usrreqs icmp6_dgram_usrreqs;
-extern int ip6_doscopedroute;
-
struct sockopt;
struct inpcb;
+struct ip6_hdr;
struct in6_ifaddr;
struct ip6protosw;
struct domain;
extern char *ip6_get_prevhdr(struct mbuf *, int);
extern int ip6_nexthdr(struct mbuf *, int, int, int *);
extern int ip6_lasthdr(struct mbuf *, int, int, int *);
+extern boolean_t ip6_pkt_has_ulp(struct mbuf *m);
extern void ip6_moptions_init(void);
extern struct ip6_moptions *ip6_allocmoptions(int);
extern struct ip6aux *ip6_findaux(struct mbuf *);
extern void ip6_delaux(struct mbuf *);
-#if MROUTING
-extern int ip6_mforward(struct ip6_hdr *, struct ifnet *, struct mbuf *);
-#endif /* MROUTING */
extern int ip6_process_hopopts(struct mbuf *, u_int8_t *, int, u_int32_t *,
u_int32_t *);
extern struct mbuf **ip6_savecontrol_v4(struct inpcb *, struct mbuf *,
extern struct ip6_pktopts *ip6_copypktopts(struct ip6_pktopts *, int);
extern int ip6_optlen(struct inpcb *);
extern void ip6_drain(void);
+extern int ip6_do_fragmentation(struct mbuf **, uint32_t, struct ifnet *, uint32_t,
+ struct ip6_hdr *, uint8_t *, uint32_t, int, uint32_t);
extern int route6_input(struct mbuf **, int *, int);
extern void frag6_drain(void);
extern int rip6_input(struct mbuf **, int *, int);
-extern void rip6_ctlinput(int, struct sockaddr *, void *);
+extern void rip6_ctlinput(int, struct sockaddr *, void *, struct ifnet *);
extern int rip6_ctloutput(struct socket *so, struct sockopt *sopt);
extern int rip6_output(struct mbuf *, struct socket *, struct sockaddr_in6 *,
struct mbuf *, int);
extern int dest6_input(struct mbuf **, int *, int);
+/*
+ * IPv6 source address selection hints
+ */
+#define IPV6_SRCSEL_HINT_PREFER_TMPADDR 0x00000001
+
+extern struct ifaddr * in6_selectsrc_core_ifa(struct sockaddr_in6 *, struct ifnet *, int);
+extern struct in6_addr * in6_selectsrc_core(struct sockaddr_in6 *,
+ uint32_t, struct ifnet *, int,
+ struct in6_addr *, struct ifnet **, int *, struct ifaddr **);
extern struct in6_addr *in6_selectsrc(struct sockaddr_in6 *,
struct ip6_pktopts *, struct inpcb *, struct route_in6 *,
struct ifnet **, struct in6_addr *, unsigned int, int *);
projects / apple / xnu.git / blobdiff