1c398230bSWarner Losh /*- 2df8bae1dSRodney W. Grimes * Copyright (c) 1985, 1986, 1993 3df8bae1dSRodney W. Grimes * The Regents of the University of California. All rights reserved. 4df8bae1dSRodney W. Grimes * 5df8bae1dSRodney W. Grimes * Redistribution and use in source and binary forms, with or without 6df8bae1dSRodney W. Grimes * modification, are permitted provided that the following conditions 7df8bae1dSRodney W. Grimes * are met: 8df8bae1dSRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 9df8bae1dSRodney W. Grimes * notice, this list of conditions and the following disclaimer. 10df8bae1dSRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 11df8bae1dSRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 12df8bae1dSRodney W. Grimes * documentation and/or other materials provided with the distribution. 13df8bae1dSRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 14df8bae1dSRodney W. Grimes * may be used to endorse or promote products derived from this software 15df8bae1dSRodney W. Grimes * without specific prior written permission. 16df8bae1dSRodney W. Grimes * 17df8bae1dSRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18df8bae1dSRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19df8bae1dSRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20df8bae1dSRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21df8bae1dSRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22df8bae1dSRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23df8bae1dSRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24df8bae1dSRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25df8bae1dSRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26df8bae1dSRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27df8bae1dSRodney W. Grimes * SUCH DAMAGE. 28df8bae1dSRodney W. Grimes * 292180b925SGarrett Wollman * @(#)in_var.h 8.2 (Berkeley) 1/9/95 30c3aac50fSPeter Wemm * $FreeBSD$ 31df8bae1dSRodney W. Grimes */ 32df8bae1dSRodney W. Grimes 33707f139eSPaul Richards #ifndef _NETINET_IN_VAR_H_ 34707f139eSPaul Richards #define _NETINET_IN_VAR_H_ 35707f139eSPaul Richards 36ffa5b11aSGarrett Wollman #include <sys/queue.h> 37ca925d9cSJonathan Lemon #include <sys/fnv_hash.h> 38ffa5b11aSGarrett Wollman 39df8bae1dSRodney W. Grimes /* 40df8bae1dSRodney W. Grimes * Interface address, Internet version. One of these structures 41477180fbSGarrett Wollman * is allocated for each Internet address on an interface. 42df8bae1dSRodney W. Grimes * The ifaddr structure contains the protocol-independent part 43df8bae1dSRodney W. Grimes * of the structure and is assumed to be first. 44df8bae1dSRodney W. Grimes */ 45df8bae1dSRodney W. Grimes struct in_ifaddr { 46df8bae1dSRodney W. Grimes struct ifaddr ia_ifa; /* protocol-independent info */ 47df8bae1dSRodney W. Grimes #define ia_ifp ia_ifa.ifa_ifp 48df8bae1dSRodney W. Grimes #define ia_flags ia_ifa.ifa_flags 49df8bae1dSRodney W. Grimes /* ia_{,sub}net{,mask} in host order */ 50df8bae1dSRodney W. Grimes u_long ia_net; /* network number of interface */ 51df8bae1dSRodney W. Grimes u_long ia_netmask; /* mask of net part */ 52df8bae1dSRodney W. Grimes u_long ia_subnet; /* subnet number, including net */ 53df8bae1dSRodney W. Grimes u_long ia_subnetmask; /* mask of subnet part */ 54df8bae1dSRodney W. Grimes struct in_addr ia_netbroadcast; /* to recognize net broadcasts */ 55ca925d9cSJonathan Lemon LIST_ENTRY(in_ifaddr) ia_hash; /* entry in bucket of inet addresses */ 56ca925d9cSJonathan Lemon TAILQ_ENTRY(in_ifaddr) ia_link; /* list of internet addresses */ 57df8bae1dSRodney W. Grimes struct sockaddr_in ia_addr; /* reserve space for interface name */ 58df8bae1dSRodney W. Grimes struct sockaddr_in ia_dstaddr; /* reserve space for broadcast addr */ 59df8bae1dSRodney W. Grimes #define ia_broadaddr ia_dstaddr 60df8bae1dSRodney W. Grimes struct sockaddr_in ia_sockmask; /* reserve space for general netmask */ 61df8bae1dSRodney W. Grimes }; 62df8bae1dSRodney W. Grimes 63df8bae1dSRodney W. Grimes struct in_aliasreq { 64df8bae1dSRodney W. Grimes char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 65df8bae1dSRodney W. Grimes struct sockaddr_in ifra_addr; 66df8bae1dSRodney W. Grimes struct sockaddr_in ifra_broadaddr; 67df8bae1dSRodney W. Grimes #define ifra_dstaddr ifra_broadaddr 68df8bae1dSRodney W. Grimes struct sockaddr_in ifra_mask; 69df8bae1dSRodney W. Grimes }; 70df8bae1dSRodney W. Grimes /* 71df8bae1dSRodney W. Grimes * Given a pointer to an in_ifaddr (ifaddr), 72df8bae1dSRodney W. Grimes * return a pointer to the addr as a sockaddr_in. 73df8bae1dSRodney W. Grimes */ 74df8bae1dSRodney W. Grimes #define IA_SIN(ia) (&(((struct in_ifaddr *)(ia))->ia_addr)) 751bc8a809SSteven Wallace #define IA_DSTSIN(ia) (&(((struct in_ifaddr *)(ia))->ia_dstaddr)) 76df8bae1dSRodney W. Grimes 77df8bae1dSRodney W. Grimes #define IN_LNAOF(in, ifa) \ 78df8bae1dSRodney W. Grimes ((ntohl((in).s_addr) & ~((struct in_ifaddr *)(ifa)->ia_subnetmask)) 79df8bae1dSRodney W. Grimes 80df8bae1dSRodney W. Grimes 81664a31e4SPeter Wemm #ifdef _KERNEL 82b5e8ce9fSBruce Evans extern u_char inetctlerrmap[]; 83df8bae1dSRodney W. Grimes 84df8bae1dSRodney W. Grimes /* 85ca925d9cSJonathan Lemon * Hash table for IP addresses. 86ca925d9cSJonathan Lemon */ 87ca925d9cSJonathan Lemon extern LIST_HEAD(in_ifaddrhashhead, in_ifaddr) *in_ifaddrhashtbl; 88ca925d9cSJonathan Lemon extern TAILQ_HEAD(in_ifaddrhead, in_ifaddr) in_ifaddrhead; 89ca925d9cSJonathan Lemon extern u_long in_ifaddrhmask; /* mask for hash table */ 90ca925d9cSJonathan Lemon 91ca925d9cSJonathan Lemon #define INADDR_NHASH_LOG2 9 92ca925d9cSJonathan Lemon #define INADDR_NHASH (1 << INADDR_NHASH_LOG2) 93ca925d9cSJonathan Lemon #define INADDR_HASHVAL(x) fnv_32_buf((&(x)), sizeof(x), FNV1_32_INIT) 94ca925d9cSJonathan Lemon #define INADDR_HASH(x) \ 95ca925d9cSJonathan Lemon (&in_ifaddrhashtbl[INADDR_HASHVAL(x) & in_ifaddrhmask]) 96ca925d9cSJonathan Lemon 9707ea6709SBruce M Simpson /* 98e2fd806bSBruce M Simpson * Macro for finding the internet address structure (in_ifaddr) 9907ea6709SBruce M Simpson * corresponding to one of our IP addresses (in_addr). 10007ea6709SBruce M Simpson */ 10107ea6709SBruce M Simpson #define INADDR_TO_IFADDR(addr, ia) \ 10207ea6709SBruce M Simpson /* struct in_addr addr; */ \ 10307ea6709SBruce M Simpson /* struct in_ifaddr *ia; */ \ 10407ea6709SBruce M Simpson do { \ 10507ea6709SBruce M Simpson \ 10607ea6709SBruce M Simpson LIST_FOREACH(ia, INADDR_HASH((addr).s_addr), ia_hash) \ 10707ea6709SBruce M Simpson if (IA_SIN(ia)->sin_addr.s_addr == (addr).s_addr) \ 10807ea6709SBruce M Simpson break; \ 10907ea6709SBruce M Simpson } while (0) 110ca925d9cSJonathan Lemon 111ca925d9cSJonathan Lemon /* 112df8bae1dSRodney W. Grimes * Macro for finding the interface (ifnet structure) corresponding to one 113df8bae1dSRodney W. Grimes * of our IP addresses. 114df8bae1dSRodney W. Grimes */ 115df8bae1dSRodney W. Grimes #define INADDR_TO_IFP(addr, ifp) \ 116df8bae1dSRodney W. Grimes /* struct in_addr addr; */ \ 117df8bae1dSRodney W. Grimes /* struct ifnet *ifp; */ \ 118df8bae1dSRodney W. Grimes { \ 1199f81cc84SRuslan Ermilov struct in_ifaddr *ia; \ 120df8bae1dSRodney W. Grimes \ 12107ea6709SBruce M Simpson INADDR_TO_IFADDR(addr, ia); \ 122df8bae1dSRodney W. Grimes (ifp) = (ia == NULL) ? NULL : ia->ia_ifp; \ 123df8bae1dSRodney W. Grimes } 124df8bae1dSRodney W. Grimes 125df8bae1dSRodney W. Grimes /* 126df8bae1dSRodney W. Grimes * Macro for finding the internet address structure (in_ifaddr) corresponding 127df8bae1dSRodney W. Grimes * to a given interface (ifnet structure). 128df8bae1dSRodney W. Grimes */ 129df8bae1dSRodney W. Grimes #define IFP_TO_IA(ifp, ia) \ 130df8bae1dSRodney W. Grimes /* struct ifnet *ifp; */ \ 131df8bae1dSRodney W. Grimes /* struct in_ifaddr *ia; */ \ 132df8bae1dSRodney W. Grimes { \ 133ef9e85abSPoul-Henning Kamp for ((ia) = TAILQ_FIRST(&in_ifaddrhead); \ 134df8bae1dSRodney W. Grimes (ia) != NULL && (ia)->ia_ifp != (ifp); \ 135ef9e85abSPoul-Henning Kamp (ia) = TAILQ_NEXT((ia), ia_link)) \ 136df8bae1dSRodney W. Grimes continue; \ 137df8bae1dSRodney W. Grimes } 138df8bae1dSRodney W. Grimes #endif 139df8bae1dSRodney W. Grimes 140df8bae1dSRodney W. Grimes /* 141f0068c4aSGarrett Wollman * This information should be part of the ifnet structure but we don't wish 142f0068c4aSGarrett Wollman * to change that - as it might break a number of things 143f0068c4aSGarrett Wollman */ 144f0068c4aSGarrett Wollman 145f0068c4aSGarrett Wollman struct router_info { 14649fa849bSBill Fenner struct ifnet *rti_ifp; 14749fa849bSBill Fenner int rti_type; /* type of router which is querier on this interface */ 14849fa849bSBill Fenner int rti_time; /* # of slow timeouts since last old query */ 1496c4b2ad3SRobert Watson SLIST_ENTRY(router_info) rti_list; 15071498f30SBruce M Simpson #ifdef notyet 15171498f30SBruce M Simpson int rti_timev1; /* IGMPv1 querier present */ 15271498f30SBruce M Simpson int rti_timev2; /* IGMPv2 querier present */ 15371498f30SBruce M Simpson int rti_timer; /* report to general query */ 15471498f30SBruce M Simpson int rti_qrv; /* querier robustness */ 15571498f30SBruce M Simpson #endif 156f0068c4aSGarrett Wollman }; 157f0068c4aSGarrett Wollman 158f0068c4aSGarrett Wollman /* 159df8bae1dSRodney W. Grimes * Internet multicast address structure. There is one of these for each IP 160df8bae1dSRodney W. Grimes * multicast group to which this host belongs on a given network interface. 161477180fbSGarrett Wollman * For every entry on the interface's if_multiaddrs list which represents 162477180fbSGarrett Wollman * an IP multicast group, there is one of these structures. They are also 163477180fbSGarrett Wollman * kept on a system-wide list to make it easier to keep our legacy IGMP code 164477180fbSGarrett Wollman * compatible with the rest of the world (see IN_FIRST_MULTI et al, below). 165df8bae1dSRodney W. Grimes */ 166df8bae1dSRodney W. Grimes struct in_multi { 167e3975643SJake Burkholder LIST_ENTRY(in_multi) inm_link; /* queue macro glue */ 168477180fbSGarrett Wollman struct in_addr inm_addr; /* IP multicast address, convenience */ 169df8bae1dSRodney W. Grimes struct ifnet *inm_ifp; /* back pointer to ifnet */ 170477180fbSGarrett Wollman struct ifmultiaddr *inm_ifma; /* back pointer to ifmultiaddr */ 171df8bae1dSRodney W. Grimes u_int inm_timer; /* IGMP membership report timer */ 172f0068c4aSGarrett Wollman u_int inm_state; /* state of the membership */ 173f0068c4aSGarrett Wollman struct router_info *inm_rti; /* router info*/ 174ec002feeSBruce M Simpson u_int inm_refcount; /* reference count */ 17571498f30SBruce M Simpson #ifdef notyet /* IGMPv3 source-specific multicast fields */ 17671498f30SBruce M Simpson TAILQ_HEAD(, in_msfentry) inm_msf; /* all active source filters */ 17771498f30SBruce M Simpson TAILQ_HEAD(, in_msfentry) inm_msf_record; /* recorded sources */ 17871498f30SBruce M Simpson TAILQ_HEAD(, in_msfentry) inm_msf_exclude; /* exclude sources */ 17971498f30SBruce M Simpson TAILQ_HEAD(, in_msfentry) inm_msf_include; /* include sources */ 18071498f30SBruce M Simpson /* XXX: should this lot go to the router_info structure? */ 18171498f30SBruce M Simpson /* XXX: can/should these be callouts? */ 18271498f30SBruce M Simpson /* IGMP protocol timers */ 18371498f30SBruce M Simpson int32_t inm_ti_curstate; /* current state timer */ 18471498f30SBruce M Simpson int32_t inm_ti_statechg; /* state change timer */ 18571498f30SBruce M Simpson /* IGMP report timers */ 18671498f30SBruce M Simpson uint16_t inm_rpt_statechg; /* state change report timer */ 18771498f30SBruce M Simpson uint16_t inm_rpt_toxx; /* fmode change report timer */ 18871498f30SBruce M Simpson /* IGMP protocol state */ 18971498f30SBruce M Simpson uint16_t inm_fmode; /* filter mode */ 19071498f30SBruce M Simpson uint32_t inm_recsrc_count; /* # of recorded sources */ 19171498f30SBruce M Simpson uint16_t inm_exclude_sock_count; /* # of exclude-mode sockets */ 19271498f30SBruce M Simpson uint16_t inm_gass_count; /* # of g-a-s queries */ 19371498f30SBruce M Simpson #endif 194df8bae1dSRodney W. Grimes }; 195df8bae1dSRodney W. Grimes 19671498f30SBruce M Simpson #ifdef notyet 19771498f30SBruce M Simpson /* 19871498f30SBruce M Simpson * Internet multicast source filter list. This list is used to store 19971498f30SBruce M Simpson * IP multicast source addresses for each membership on an interface. 20071498f30SBruce M Simpson * TODO: Allocate these structures using UMA. 20171498f30SBruce M Simpson * TODO: Find an easier way of linking the struct into two lists at once. 20271498f30SBruce M Simpson */ 20371498f30SBruce M Simpson struct in_msfentry { 20471498f30SBruce M Simpson TAILQ_ENTRY(in_msfentry) isf_link; /* next filter in all-list */ 20571498f30SBruce M Simpson TAILQ_ENTRY(in_msfentry) isf_next; /* next filter in queue */ 20671498f30SBruce M Simpson struct in_addr isf_addr; /* the address of this source */ 20771498f30SBruce M Simpson uint16_t isf_refcount; /* reference count */ 20871498f30SBruce M Simpson uint16_t isf_reporttag; /* what to report to the IGMP router */ 20971498f30SBruce M Simpson uint16_t isf_rexmit; /* retransmission state/count */ 21071498f30SBruce M Simpson }; 21171498f30SBruce M Simpson #endif 21271498f30SBruce M Simpson 213664a31e4SPeter Wemm #ifdef _KERNEL 214ce02431fSDoug Rabson 215ce02431fSDoug Rabson #ifdef SYSCTL_DECL 216969bb53eSAndre Oppermann SYSCTL_DECL(_net_inet); 217ce02431fSDoug Rabson SYSCTL_DECL(_net_inet_ip); 218ce02431fSDoug Rabson SYSCTL_DECL(_net_inet_raw); 219ce02431fSDoug Rabson #endif 220ce02431fSDoug Rabson 221e3975643SJake Burkholder extern LIST_HEAD(in_multihead, in_multi) in_multihead; 222477180fbSGarrett Wollman 223df8bae1dSRodney W. Grimes /* 224dd5a318bSRobert Watson * Lock macros for IPv4 layer multicast address lists. IPv4 lock goes 225dd5a318bSRobert Watson * before link layer multicast locks in the lock order. In most cases, 226dd5a318bSRobert Watson * consumers of IN_*_MULTI() macros should acquire the locks before 227dd5a318bSRobert Watson * calling them; users of the in_{add,del}multi() functions should not. 228dd5a318bSRobert Watson */ 229dd5a318bSRobert Watson extern struct mtx in_multi_mtx; 230dd5a318bSRobert Watson #define IN_MULTI_LOCK() mtx_lock(&in_multi_mtx) 231dd5a318bSRobert Watson #define IN_MULTI_UNLOCK() mtx_unlock(&in_multi_mtx) 232dd5a318bSRobert Watson #define IN_MULTI_LOCK_ASSERT() mtx_assert(&in_multi_mtx, MA_OWNED) 233dd5a318bSRobert Watson 234dd5a318bSRobert Watson /* 235df8bae1dSRodney W. Grimes * Structure used by macros below to remember position when stepping through 236df8bae1dSRodney W. Grimes * all of the in_multi records. 237df8bae1dSRodney W. Grimes */ 238df8bae1dSRodney W. Grimes struct in_multistep { 239df8bae1dSRodney W. Grimes struct in_multi *i_inm; 240df8bae1dSRodney W. Grimes }; 241df8bae1dSRodney W. Grimes 242df8bae1dSRodney W. Grimes /* 243df8bae1dSRodney W. Grimes * Macro for looking up the in_multi record for a given IP multicast address 244477180fbSGarrett Wollman * on a given interface. If no matching record is found, "inm" is set null. 245df8bae1dSRodney W. Grimes */ 246df8bae1dSRodney W. Grimes #define IN_LOOKUP_MULTI(addr, ifp, inm) \ 247df8bae1dSRodney W. Grimes /* struct in_addr addr; */ \ 248df8bae1dSRodney W. Grimes /* struct ifnet *ifp; */ \ 249df8bae1dSRodney W. Grimes /* struct in_multi *inm; */ \ 25059562606SGarrett Wollman do { \ 2519f81cc84SRuslan Ermilov struct ifmultiaddr *ifma; \ 252df8bae1dSRodney W. Grimes \ 253dd5a318bSRobert Watson IN_MULTI_LOCK_ASSERT(); \ 254bccb4101SRobert Watson IF_ADDR_LOCK(ifp); \ 2556817526dSPoul-Henning Kamp TAILQ_FOREACH(ifma, &((ifp)->if_multiaddrs), ifma_link) { \ 256477180fbSGarrett Wollman if (ifma->ifma_addr->sa_family == AF_INET \ 25793e808cdSGarrett Wollman && ((struct sockaddr_in *)ifma->ifma_addr)->sin_addr.s_addr == \ 258477180fbSGarrett Wollman (addr).s_addr) \ 259477180fbSGarrett Wollman break; \ 260477180fbSGarrett Wollman } \ 261477180fbSGarrett Wollman (inm) = ifma ? ifma->ifma_protospec : 0; \ 262bccb4101SRobert Watson IF_ADDR_UNLOCK(ifp); \ 26359562606SGarrett Wollman } while(0) 264df8bae1dSRodney W. Grimes 265df8bae1dSRodney W. Grimes /* 266df8bae1dSRodney W. Grimes * Macro to step through all of the in_multi records, one at a time. 267df8bae1dSRodney W. Grimes * The current position is remembered in "step", which the caller must 268df8bae1dSRodney W. Grimes * provide. IN_FIRST_MULTI(), below, must be called to initialize "step" 269df8bae1dSRodney W. Grimes * and get the first record. Both macros return a NULL "inm" when there 270df8bae1dSRodney W. Grimes * are no remaining records. 271df8bae1dSRodney W. Grimes */ 272df8bae1dSRodney W. Grimes #define IN_NEXT_MULTI(step, inm) \ 273df8bae1dSRodney W. Grimes /* struct in_multistep step; */ \ 274df8bae1dSRodney W. Grimes /* struct in_multi *inm; */ \ 27559562606SGarrett Wollman do { \ 276dd5a318bSRobert Watson IN_MULTI_LOCK_ASSERT(); \ 277df8bae1dSRodney W. Grimes if (((inm) = (step).i_inm) != NULL) \ 278ef9e85abSPoul-Henning Kamp (step).i_inm = LIST_NEXT((step).i_inm, inm_link); \ 27959562606SGarrett Wollman } while(0) 280df8bae1dSRodney W. Grimes 281df8bae1dSRodney W. Grimes #define IN_FIRST_MULTI(step, inm) \ 282df8bae1dSRodney W. Grimes /* struct in_multistep step; */ \ 283df8bae1dSRodney W. Grimes /* struct in_multi *inm; */ \ 28459562606SGarrett Wollman do { \ 285dd5a318bSRobert Watson IN_MULTI_LOCK_ASSERT(); \ 286ef9e85abSPoul-Henning Kamp (step).i_inm = LIST_FIRST(&in_multihead); \ 287df8bae1dSRodney W. Grimes IN_NEXT_MULTI((step), (inm)); \ 28859562606SGarrett Wollman } while(0) 289df8bae1dSRodney W. Grimes 2901f91d8c5SDavid Greenman struct route; 29171498f30SBruce M Simpson struct ip_moptions; 29271498f30SBruce M Simpson 29371498f30SBruce M Simpson size_t imo_match_group(struct ip_moptions *, struct ifnet *, 29471498f30SBruce M Simpson struct sockaddr *); 29571498f30SBruce M Simpson struct in_msource *imo_match_source(struct ip_moptions *, size_t, 29671498f30SBruce M Simpson struct sockaddr *); 2974d77a549SAlfred Perlstein struct in_multi *in_addmulti(struct in_addr *, struct ifnet *); 2984d77a549SAlfred Perlstein void in_delmulti(struct in_multi *); 299d9668414SBruce M Simpson void in_delmulti_locked(struct in_multi *); 3004d77a549SAlfred Perlstein int in_control(struct socket *, u_long, caddr_t, struct ifnet *, 3014d77a549SAlfred Perlstein struct thread *); 3024d77a549SAlfred Perlstein void in_rtqdrain(void); 3034d77a549SAlfred Perlstein void ip_input(struct mbuf *); 3044d77a549SAlfred Perlstein int in_ifadown(struct ifaddr *ifa, int); 3054d77a549SAlfred Perlstein void in_ifscrub(struct ifnet *, struct in_ifaddr *); 3065d691e6dSAndre Oppermann struct mbuf *ip_fastforward(struct mbuf *); 307707f139eSPaul Richards 308664a31e4SPeter Wemm #endif /* _KERNEL */ 3092180b925SGarrett Wollman 31076429de4SYoshinobu Inoue /* INET6 stuff */ 31176429de4SYoshinobu Inoue #include <netinet6/in6_var.h> 31276429de4SYoshinobu Inoue 3132180b925SGarrett Wollman #endif /* _NETINET_IN_VAR_H_ */ 314