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Diffstat (limited to 'usr.sbin/pim6dd/defs.h')
| -rw-r--r-- | usr.sbin/pim6dd/defs.h | 597 |
1 files changed, 597 insertions, 0 deletions
diff --git a/usr.sbin/pim6dd/defs.h b/usr.sbin/pim6dd/defs.h new file mode 100644 index 0000000..5970c74 --- /dev/null +++ b/usr.sbin/pim6dd/defs.h @@ -0,0 +1,597 @@ +/* + * Copyright (c) 1998 by the University of Oregon. + * All rights reserved. + * + * Permission to use, copy, modify, and distribute this software and + * its documentation in source and binary forms for lawful + * purposes and without fee is hereby granted, provided + * that the above copyright notice appear in all copies and that both + * the copyright notice and this permission notice appear in supporting + * documentation, and that any documentation, advertising materials, + * and other materials related to such distribution and use acknowledge + * that the software was developed by the University of Oregon. + * The name of the University of Oregon may not be used to endorse or + * promote products derived from this software without specific prior + * written permission. + * + * THE UNIVERSITY OF OREGON DOES NOT MAKE ANY REPRESENTATIONS + * ABOUT THE SUITABILITY OF THIS SOFTWARE FOR ANY PURPOSE. THIS SOFTWARE IS + * PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND + * NON-INFRINGEMENT. + * + * IN NO EVENT SHALL UO, OR ANY OTHER CONTRIBUTOR BE LIABLE FOR ANY + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES, WHETHER IN CONTRACT, + * TORT, OR OTHER FORM OF ACTION, ARISING OUT OF OR IN CONNECTION WITH, + * THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Other copyrights might apply to parts of this software and are so + * noted when applicable. + */ +/* + * Questions concerning this software should be directed to + * Kurt Windisch (kurtw@antc.uoregon.edu) + * + * $Id: defs.h,v 1.6 1999/12/10 06:09:13 itojun Exp $ + */ +/* + * Part of this program has been derived from PIM sparse-mode pimd. + * The pimd program is covered by the license in the accompanying file + * named "LICENSE.pimd". + * + * The pimd program is COPYRIGHT 1998 by University of Southern California. + * + * Part of this program has been derived from mrouted. + * The mrouted program is covered by the license in the accompanying file + * named "LICENSE.mrouted". + * + * The mrouted program is COPYRIGHT 1989 by The Board of Trustees of + * Leland Stanford Junior University. + * + * $FreeBSD$ + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <ctype.h> +#include <errno.h> +#include <syslog.h> +#include <signal.h> +#include <string.h> +#include <sys/param.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/ioctl.h> +#include <fcntl.h> +#if ((defined(SYSV)) || (defined(__bsdi__)) || ((defined SunOS) && (SunOS < 50))) +#include <sys/sockio.h> +#endif /* SYSV || __bsdi__ || SunOS 4.x */ +#include <sys/time.h> +#include <net/if.h> +#include <net/if_var.h> +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/ip.h> +#include <netinet/icmp6.h> + +#include <netinet6/in6_var.h> +#include <netinet/ip6.h> + +#include <arpa/inet.h> +#include <osreldate.h> +#define rtentry kernel_rtentry +#include <net/route.h> +#undef rtentry +#include <netinet/ip_mroute.h> +#include <netinet6/ip6_mroute.h> +#include <strings.h> +#ifdef RSRR +#include <sys/un.h> +#endif /* RSRR */ + +typedef u_int u_int32; +typedef u_short u_int16; +typedef u_char u_int8; + +#ifndef __P +#ifdef __STDC__ +#define __P(x) x +#else +#define __P(x) () +#endif +#endif + +typedef void (*cfunc_t) __P((void *)); +typedef void (*ihfunc_t) __P((int, fd_set *)); + +#include "pimdd.h" +#include "mrt.h" +#include "mld6.h" +#include "vif.h" +#include "debug.h" +#include "pathnames.h" +#ifdef RSRR +#include "rsrr.h" +#include "rsrr_var.h" +#endif /* RSRR */ + +/* + * Miscellaneous constants and macros + */ +/* #if (!(defined(__bsdi__)) && !(defined(KERNEL))) */ +#ifndef KERNEL +#define max(a, b) ((a) < (b) ? (b) : (a)) +#define min(a, b) ((a) > (b) ? (b) : (a)) +#endif + +/* + * Various definitions to make it working for different platforms + */ +/* The old style sockaddr definition doesn't have sa_len */ +#if (defined(BSD) && (BSD >= 199006)) /* sa_len was added with 4.3-Reno */ +#define HAVE_SA_LEN +#endif + +/* Versions of Solaris older than 2.6 don't have routing sockets. */ +/* XXX TODO: check FreeBSD version and add all other platforms */ +#if ((defined(SunOS) && SunOS >=56) || (defined __FreeBSD__) || (defined IRIX) || (defined __bsdi__) || defined(__NetBSD__)) +#define HAVE_ROUTING_SOCKETS +#endif + +#define TRUE 1 +#define FALSE 0 + +#define CREATE TRUE +#define DONT_CREATE FALSE + +#define EQUAL(s1, s2) (strcmp((s1), (s2)) == 0) + +/* obnoxious gcc gives an extraneous warning about this constant... */ +#if defined(__STDC__) || defined(__GNUC__) +#define JAN_1970 2208988800UL /* 1970 - 1900 in seconds */ +#else +#define JAN_1970 2208988800L /* 1970 - 1900 in seconds */ +#define const /**/ +#endif + + +#define MINHLIM 1 /* min hoplim in the packets send locally */ + +#define MAX_IP_PACKET_LEN 576 +#define MIN_IP_HEADER_LEN 20 +#define MAX_IP_HEADER_LEN 60 + + +/* + * The IGMPv2 <netinet/in.h> defines INADDR_ALLRTRS_GROUP, but earlier + * ones don't, so we define it conditionally here. + */ +#ifndef INADDR_ALLRTRS_GROUP + /* address for multicast mtrace msg */ +#define INADDR_ALLRTRS_GROUP (u_int32)0xe0000002 /* 224.0.0.2 */ +#endif + +#ifndef INADDR_MAX_LOCAL_GROUP +define INADDR_MAX_LOCAL_GROUP (u_int32)0xe00000ff /* 224.0.0.255 */ +#endif + +#define INADDR_ANY_N (u_int32)0x00000000 /* INADDR_ANY in + * network order */ +#define CLASSD_PREFIX (u_int32)0xe0000000 /* 224.0.0.0 */ +#define ALL_MCAST_GROUPS_ADDR (u_int32)0xe0000000 /* 224.0.0.0 */ +#define ALL_MCAST_GROUPS_LENGTH 4 + +/* Used by DVMRP */ +#define DEFAULT_METRIC 1 /* default subnet/tunnel metric */ +#define DEFAULT_THRESHOLD 1 /* default subnet/tunnel threshold */ + +#define TIMER_INTERVAL 5 /* 5 sec virtual timer granularity */ + +#ifdef RSRR +#define BIT_ZERO(X) ((X) = 0) +#define BIT_SET(X,n) ((X) |= 1 << (n)) +#define BIT_CLR(X,n) ((X) &= ~(1 << (n))) +#define BIT_TST(X,n) ((X) & 1 << (n)) +#endif /* RSRR */ + +#ifdef SYSV +#define bcopy(a, b, c) memcpy((b), (a), (c)) +#define bzero(s, n) memset((s), 0, (n)) +#define setlinebuf(s) setvbuf((s), (NULL), (_IOLBF), 0) +#define RANDOM() lrand48() +#else +#define RANDOM() random() +#endif /* SYSV */ + +/* + * External declarations for global variables and functions. + */ +#define RECV_BUF_SIZE 64*1024 /* Maximum buff size to send + * or receive packet */ +#define SO_RECV_BUF_SIZE_MAX 256*1024 +#define SO_RECV_BUF_SIZE_MIN 48*1024 + +/* TODO: describe the variables and clean up */ +extern char *mld6_recv_buf; +extern char *mld6_send_buf; +extern char *pim6_recv_buf; +extern char *pim6_send_buf; +extern int mld6_socket; +extern int pim6_socket; +extern struct sockaddr_in6 allnodes_group; +extern struct sockaddr_in6 allrouters_group; +extern struct sockaddr_in6 allpim6routers_group; +extern if_set nbr_mifs; + +#ifdef RSRR +extern int rsrr_socket; +#endif /* RSRR */ + +extern u_long virtual_time; +extern char configfilename[]; + +extern u_int32 default_source_metric; +extern u_int32 default_source_preference; + +extern srcentry_t *srclist; +extern grpentry_t *grplist; + +extern struct uvif uvifs[]; +extern vifi_t numvifs; +extern int total_interfaces; +extern int phys_vif; +extern int udp_socket; + +extern int vifs_down; + +extern char s1[]; +extern char s2[]; +extern char s3[]; +extern char s4[]; + +#if !(defined(BSD) && (BSD >= 199103)) +extern int errno; +extern int sys_nerr; +extern char * sys_errlist[]; +#endif + + +#ifndef IGMP_MEMBERSHIP_QUERY +#define IGMP_MEMBERSHIP_QUERY IGMP_HOST_MEMBERSHIP_QUERY +#if !(defined(__NetBSD__)) +#define IGMP_V1_MEMBERSHIP_REPORT IGMP_HOST_MEMBERSHIP_REPORT +#define IGMP_V2_MEMBERSHIP_REPORT IGMP_HOST_NEW_MEMBERSHIP_REPORT +#else +#define IGMP_V1_MEMBERSHIP_REPORT IGMP_v1_HOST_MEMBERSHIP_REPORT +#define IGMP_V2_MEMBERSHIP_REPORT IGMP_v2_HOST_MEMBERSHIP_REPORT +#endif +#define IGMP_V2_LEAVE_GROUP IGMP_HOST_LEAVE_MESSAGE +#endif + +#if defined(__NetBSD__) +#define IGMP_MTRACE_RESP IGMP_MTRACE_REPLY +#define IGMP_MTRACE IGMP_MTRACE_QUERY +#endif + +/* For timeout. The timers count down */ +#define SET_TIMER(timer, value) (timer) = (value) +#define IF_TIMER_SET(timer) if ((timer) > 0) +#define IF_TIMER_NOT_SET(timer) if ((timer) <= 0) +#define FIRE_TIMER(timer) (timer) = 0 + +#define IF_TIMEOUT(value) \ + if (!(((value) >= TIMER_INTERVAL) && ((value) -= TIMER_INTERVAL))) + +#define IF_NOT_TIMEOUT(value) \ + if (((value) >= TIMER_INTERVAL) && ((value) -= TIMER_INTERVAL)) + +#define TIMEOUT(value) \ + (!(((value) >= TIMER_INTERVAL) && ((value) -= TIMER_INTERVAL))) + +#define NOT_TIMEOUT(value) \ + (((value) >= TIMER_INTERVAL) && ((value) -= TIMER_INTERVAL)) + +#define ELSE else /* To make emacs cc-mode happy */ + + +/* + * External function definitions + */ + +/* callout.c */ +extern void callout_init __P((void)); +extern void free_all_callouts __P((void)); +extern void age_callout_queue __P((int)); +extern int timer_nextTimer __P((void)); +extern int timer_setTimer __P((int, cfunc_t, void *)); +extern void timer_clearTimer __P((int)); +extern int timer_leftTimer __P((int)); + +/* config.c */ +extern void config_vifs_from_kernel __P((void)); +extern void config_vifs_from_file __P((void)); + +/* debug.c */ +extern char *packet_kind __P((u_int proto, u_int type, u_int code)); +extern int debug_kind __P((u_int proto, u_int type, u_int code)); +extern void log __P((int, int, char *, ...)); +extern int log_level __P((u_int proto, u_int type, u_int code)); +extern void dump __P((int i)); +extern void fdump __P((int i)); +extern void cdump __P((int i)); +extern void dump_vifs __P((FILE *fp)); +extern void dump_pim_mrt __P((FILE *fp)); +extern void dump_lcl_grp __P((FILE *fp)); + +/* dvmrp_proto.c */ +extern void dvmrp_accept_probe __P((u_int32 src, u_int32 dst, + char *p, int datalen, + u_int32 level)); +extern void dvmrp_accept_report __P((u_int32 src, u_int32 dst, + char *p, int datalen, + u_int32 level)); +extern void dvmrp_accept_info_request __P((u_int32 src, u_int32 dst, + u_char *p, int datalen)); +extern void dvmrp_accept_info_reply __P((u_int32 src, u_int32 dst, + u_char *p, int datalen)); +extern void dvmrp_accept_neighbors __P((u_int32 src, u_int32 dst, + u_char *p, int datalen, + u_int32 level)); +extern void dvmrp_accept_neighbors2 __P((u_int32 src, u_int32 dst, + u_char *p, int datalen, + u_int32 level)); +extern void dvmrp_accept_prune __P((u_int32 src, u_int32 dst, + char *p, int datalen)); +extern void dvmrp_accept_graft __P((u_int32 src, u_int32 dst, + char *p, int datalen)); +extern void dvmrp_accept_g_ack __P((u_int32 src, u_int32 dst, + char *p, int datalen)); +/* mld6.c */ +void init_mld6 __P((void)); +void send_mld6 __P((int type, int code, struct sockaddr_in6 *src, + struct sockaddr_in6 *dst, struct in6_addr *group, + int index, int delay, int datalen, int alert)); + +/* mld6_proto.c */ +extern void query_groups __P((struct uvif *v)); +extern int check_grp_membership __P((struct uvif *v, + struct sockaddr_in6 *group)); +extern void accept_listener_query __P((struct sockaddr_in6 *src, + struct in6_addr *dst, + struct in6_addr *group, + int tmo)); +extern void accept_listener_report __P((struct sockaddr_in6 *src, + struct in6_addr *dst, + struct in6_addr *group)); +extern void accept_listener_done __P((struct sockaddr_in6 *src, + struct in6_addr *dst, + struct in6_addr *group)); +extern int check_multicast_listener __P((struct uvif *v, + struct sockaddr_in6 *group)); + +/* igmp.c */ +#if 0 +extern void init_igmp __P((void)); +extern void send_igmp __P((char *buf, u_int32 src, u_int32 dst, + int type, int code, u_int32 group, + int datalen)); + +/* igmp_proto.c */ +extern void query_groups __P((struct uvif *v)); +extern void accept_membership_query __P((u_int32 src, u_int32 dst, + u_int32 group, int tmo)); +extern void accept_group_report __P((u_int32 src, u_int32 dst, + u_int32 group, int r_type)); +extern void accept_leave_message __P((u_int32 src, u_int32 dst, + u_int32 group)); +#endif + +#if 0 +/* inet.c */ +extern int inet_cksum __P((u_int16 *addr, u_int len)); +extern int inet_valid_host __P((u_int32 naddr)); +extern int inet_valid_mask __P((u_int32 mask)); +extern int inet_valid_subnet __P((u_int32 nsubnet, u_int32 nmask)); +extern char *inet_fmt __P((u_int32, char *s)); +#ifdef NOSUCHDEF +extern char *inet_fmts __P((u_int32 addr, u_int32 mask, char *s)); +#endif /* NOSUCHDEF */ +extern char *netname __P((u_int32 addr, u_int32 mask)); +extern u_int32 inet_parse __P((char *s, int n)); +#endif + +/* inet6.c */ +extern int inet6_equal __P((struct sockaddr_in6 *sa1, + struct sockaddr_in6 *sa2)); +extern int inet6_lessoreq __P((struct sockaddr_in6 *sa1, + struct sockaddr_in6 *sa2)); +extern int inet6_lessthan __P((struct sockaddr_in6 *sa1, + struct sockaddr_in6 *sa2)); +extern int inet6_localif_address __P((struct sockaddr_in6 *sa, + struct uvif *v)); +extern int inet6_greaterthan __P((struct sockaddr_in6 *sa1, + struct sockaddr_in6 *sa2)); +extern int inet6_greateroreq __P((struct sockaddr_in6 *sa1, + struct sockaddr_in6 *sa2)); +extern int inet6_match_prefix __P((struct sockaddr_in6 *sa1, + struct sockaddr_in6 *sa2, + struct in6_addr *mask)); +extern int inet6_mask2plen __P((struct in6_addr *mask)); +extern int inet6_uvif2scopeid __P((struct sockaddr_in6 *sa, struct uvif *v)); +extern int inet6_valid_host __P((struct sockaddr_in6 *addr)); +extern char *inet6_fmt __P((struct in6_addr *addr)); +extern char *ifindex2str __P((int ifindex)); +extern char *net6name __P((struct in6_addr *prefix, + struct in6_addr *mask)); + +/* kern.c */ +extern void k_set_rcvbuf __P((int socket, int bufsize, int minsize)); +extern void k_hdr_include __P((int socket, int bool)); +extern void k_set_hlim __P((int socket, int t)); +extern void k_set_loop __P((int socket, int l)); +extern void k_set_if __P((int socket, u_int ifindex)); +extern void k_join __P((int socket, struct in6_addr *grp, + u_int ifindex)); +extern void k_leave __P((int socket, struct in6_addr *grp, + u_int ifindex)); +extern void k_init_pim __P((int)); +extern void k_stop_pim __P((int)); +extern int k_del_mfc __P((int socket, struct sockaddr_in6 *source, + struct sockaddr_in6 *group)); +extern int k_chg_mfc __P((int socket, struct sockaddr_in6 *source, + struct sockaddr_in6 *group, vifi_t iif, + if_set *oifs)); +extern void k_add_vif __P((int socket, vifi_t vifi, struct uvif *v)); +extern void k_del_vif __P((int socket, vifi_t vifi)); +extern int k_get_vif_count __P((vifi_t vifi, struct vif_count *retval)); +extern int k_get_sg_cnt __P((int socket, struct sockaddr_in6 *source, + struct sockaddr_in6 *group, + struct sg_count *retval)); + +/* main.c */ +extern int register_input_handler __P((int fd, ihfunc_t func)); + +/* mrt.c */ +extern void init_pim6_mrt __P((void)); +extern mrtentry_t *find_route __P((struct sockaddr_in6 *source, + struct sockaddr_in6 *group, + u_int16 flags, char create)); +extern grpentry_t *find_group __P((struct sockaddr_in6 *group)); +extern srcentry_t *find_source __P((struct sockaddr_in6 *source)); +extern void delete_mrtentry __P((mrtentry_t *mrtentry_ptr)); +extern void delete_srcentry __P((srcentry_t *srcentry_ptr)); +extern void delete_grpentry __P((grpentry_t *grpentry_ptr)); +extern struct mrtfilter *search_filter __P((struct in6_addr *)); +extern struct mrtfilter *add_filter __P((int, struct in6_addr *, + struct in6_addr *, int)); + +/* pim6.c */ +extern void init_pim6 __P((void)); +extern void send_pim6 __P((char *buf, struct sockaddr_in6 *src, + struct sockaddr_in6 *dst, + int type, int datalen)); + +/* pim6_poto.c */ +extern int receive_pim6_hello __P((struct sockaddr_in6 *src, + char *pim_message, int datalen)); +extern int send_pim6_hello __P((struct uvif *v, u_int16 holdtime)); +extern void delete_pim6_nbr __P((pim_nbr_entry_t *nbr_delete)); +extern int receive_pim6_join_prune __P((struct sockaddr_in6 *src, + char *pim_message, int datalen)); +extern int send_pim6_jp __P((mrtentry_t *mrtentry_ptr, int action, + mifi_t mifi, + struct sockaddr_in6 *target_addr, + u_int16 holdtime, int echo)); + +extern int receive_pim6_assert __P((struct sockaddr_in6 *src, + char *pim_message, int datalen)); +extern int send_pim6_assert __P((struct sockaddr_in6 *source, + struct sockaddr_in6 *group, + mifi_t mifi, + mrtentry_t *mrtentry_ptr)); +extern void delete_pim6_graft_entry __P((mrtentry_t *mrtentry_ptr)); +extern int receive_pim6_graft __P((struct sockaddr_in6 *src, + char *pim_message, int datalen, + int pimtype)); +extern int send_pim6_graft __P((mrtentry_t *mrtentry_ptr)); + +#if 0 +/* pim.c */ +extern void init_pim __P((void)); +extern void send_pim __P((char *buf, u_int32 src, u_int32 dst, + int type, int datalen)); +extern void send_pim_unicast __P((char *buf, u_int32 src, u_int32 dst, + int type, int datalen)); +/* pim_proto.c */ +extern int receive_pim_hello __P((u_int32 src, u_int32 dst, + char *pim_message, int datalen)); +extern int send_pim_hello __P((struct uvif *v, u_int16 holdtime)); +extern void delete_pim_nbr __P((pim_nbr_entry_t *nbr_delete)); +extern int receive_pim_join_prune __P((u_int32 src, u_int32 dst, + char *pim_message, int datalen)); +extern int send_pim_jp __P((mrtentry_t *mrtentry_ptr, int action, + vifi_t vifi, u_int32 target_addr, + u_int16 holdtime)); +extern int receive_pim_assert __P((u_int32 src, u_int32 dst, + char *pim_message, int datalen)); +extern int send_pim_assert __P((u_int32 source, u_int32 group, + vifi_t vifi, + mrtentry_t *mrtentry_ptr)); +extern void delete_pim_graft_entry __P((mrtentry_t *mrtentry_ptr)); +extern int receive_pim_graft __P((u_int32 src, u_int32 dst, + char *pim_message, int datalen, + int pimtype)); +#endif + +/* route.c */ +extern int set_incoming __P((srcentry_t *srcentry_ptr, + int srctype)); +extern vifi_t get_iif __P((struct sockaddr_in6 *source)); +extern pim_nbr_entry_t *find_pim6_nbr __P((struct sockaddr_in6 *source)); +extern int add_sg_oif __P((mrtentry_t *mrtentry_ptr, + vifi_t vifi, + u_int16 holdtime, + int update_holdtime)); +extern void add_leaf __P((vifi_t vifi, + struct sockaddr_in6 *source, + struct sockaddr_in6 *group)); +extern void delete_leaf __P((vifi_t vifi, + struct sockaddr_in6 *source, + struct sockaddr_in6 *group)); +extern void set_leaves __P((mrtentry_t *mrtentry_ptr)); +extern int change_interfaces __P((mrtentry_t *mrtentry_ptr, + vifi_t new_iif, + if_set *new_pruned_oifs, + if_set *new_leaves_, + if_set *new_asserted_oifs)); +extern void calc_oifs __P((mrtentry_t *mrtentry_ptr, + if_set *oifs_ptr)); +extern void process_kernel_call __P((void)); +extern int delete_vif_from_mrt __P((vifi_t vifi)); +extern void trigger_join_alert __P((mrtentry_t *mrtentry_ptr)); +extern void trigger_prune_alert __P((mrtentry_t *mrtentry_ptr)); + + +/* routesock.c */ +extern int k_req_incoming __P((struct sockaddr_in6 *source, + struct rpfctl *rpfp)); +#ifdef HAVE_ROUTING_SOCKETS +extern int init_routesock __P((void)); +#endif /* HAVE_ROUTING_SOCKETS */ + +#ifdef RSRR +#define gtable mrtentry +#define RSRR_NOTIFICATION_OK TRUE +#define RSRR_NOTIFICATION_FALSE FALSE + +/* rsrr.c */ +extern void rsrr_init __P((void)); +extern void rsrr_clean __P((void)); +extern void rsrr_cache_send __P((struct gtable *, int)); +extern void rsrr_cache_clean __P((struct gtable *)); +extern void rsrr_cache_bring_up __P((struct gtable *)); +#endif /* RSRR */ + +/* timer.c */ +extern void init_timers __P((void)); +extern void age_vifs __P((void)); +extern void age_routes __P((void)); +extern int clean_srclist __P((void)); + +/* trace.c */ +/* u_int is promoted u_char */ +extern void accept_mtrace __P((struct sockaddr_in6 *src, + struct in6_addr *dst, struct in6_addr *group, + int ifindex, char *data, u_int no, int datalen)); + +/* vif.c */ +extern void init_vifs __P((void)); +extern void stop_all_vifs __P((void)); +extern void check_vif_state __P((void)); +extern vifi_t local_address __P((struct sockaddr_in6 *src)); +extern vifi_t find_vif_direct __P((struct sockaddr_in6 *src)); +extern vifi_t find_vif_direct_local __P((struct sockaddr_in6 *src)); +extern struct sockaddr_in6 *max_global_address __P((void)); +extern struct sockaddr_in6 *uv_global __P((vifi_t vifi)); |
