Annotation of embedaddon/pimdd/defs.h, revision 1.1.1.1.2.1

1.1       misho       1: /*
                      2:  *  Copyright (c) 1998 by the University of Oregon.
                      3:  *  All rights reserved.
                      4:  *
                      5:  *  Permission to use, copy, modify, and distribute this software and
                      6:  *  its documentation in source and binary forms for lawful
                      7:  *  purposes and without fee is hereby granted, provided
                      8:  *  that the above copyright notice appear in all copies and that both
                      9:  *  the copyright notice and this permission notice appear in supporting
                     10:  *  documentation, and that any documentation, advertising materials,
                     11:  *  and other materials related to such distribution and use acknowledge
                     12:  *  that the software was developed by the University of Oregon.
                     13:  *  The name of the University of Oregon may not be used to endorse or 
                     14:  *  promote products derived from this software without specific prior 
                     15:  *  written permission.
                     16:  *
                     17:  *  THE UNIVERSITY OF OREGON DOES NOT MAKE ANY REPRESENTATIONS
                     18:  *  ABOUT THE SUITABILITY OF THIS SOFTWARE FOR ANY PURPOSE.  THIS SOFTWARE IS
                     19:  *  PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES,
                     20:  *  INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     21:  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND 
                     22:  *  NON-INFRINGEMENT.
                     23:  *
                     24:  *  IN NO EVENT SHALL UO, OR ANY OTHER CONTRIBUTOR BE LIABLE FOR ANY
                     25:  *  SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES, WHETHER IN CONTRACT,
                     26:  *  TORT, OR OTHER FORM OF ACTION, ARISING OUT OF OR IN CONNECTION WITH,
                     27:  *  THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     28:  *
                     29:  *  Other copyrights might apply to parts of this software and are so
                     30:  *  noted when applicable.
                     31:  */
                     32: /*
                     33:  *  Questions concerning this software should be directed to 
                     34:  *  Kurt Windisch (kurtw@antc.uoregon.edu)
                     35:  *
1.1.1.1.2.1! misho      36:  *  $Id: defs.h,v 1.1.1.1 2017/06/12 07:58:55 misho Exp $
1.1       misho      37:  */
                     38: /*
                     39:  * Part of this program has been derived from PIM sparse-mode pimd.
                     40:  * The pimd program is covered by the license in the accompanying file
                     41:  * named "LICENSE.pimd".
                     42:  *  
                     43:  * The pimd program is COPYRIGHT 1998 by University of Southern California.
                     44:  *
                     45:  * Part of this program has been derived from mrouted.
                     46:  * The mrouted program is covered by the license in the accompanying file
                     47:  * named "LICENSE.mrouted".
                     48:  * 
                     49:  * The mrouted program is COPYRIGHT 1989 by The Board of Trustees of
                     50:  * Leland Stanford Junior University.
                     51:  *
                     52:  */
                     53: 
                     54: #include <stdio.h>
                     55: #include <stdlib.h>
                     56: #include <unistd.h> 
                     57: #include <ctype.h>
                     58: #include <errno.h>
                     59: #include <syslog.h>
                     60: #include <signal.h> 
                     61: #include <string.h> 
                     62: #include <sys/param.h>
                     63: #include <sys/types.h>
                     64: #include <sys/socket.h>
                     65: #include <sys/ioctl.h>
                     66: #include <fcntl.h>
                     67: #if ((defined(SYSV)) || (defined(BSDI)) || ((defined SunOS) && (SunOS < 50)))
                     68: #include <sys/sockio.h>
                     69: #endif /* SYSV || BSDI || SunOS 4.x */
                     70: #include <sys/time.h>
                     71: #include <net/if.h>
                     72: #include <netinet/in.h>
                     73: #include <netinet/in_systm.h>
                     74: #include <netinet/ip.h>
                     75: #include <netinet/igmp.h>
                     76: #ifdef __FreeBSD__      /* sigh */
                     77: #include <osreldate.h>
                     78: #endif /* __FreeBSD__ */
                     79: #if (defined(BSDI)) || (defined(__FreeBSD__) && (__FreeBSD_version >= 220000))
                     80: #define rtentry kernel_rtentry
                     81: #include <net/route.h>
                     82: #undef rtentry
                     83: #endif /* BSDI or __FreeBSD_version >= 220000 */
                     84: #include <netinet/ip_mroute.h>
                     85: #include <strings.h>
                     86: #ifdef RSRR
                     87: #include <sys/un.h>
                     88: #endif /* RSRR */
                     89: 
                     90: typedef u_int   u_int32;
                     91: typedef u_short u_int16;
                     92: typedef u_char  u_int8;
                     93: 
                     94: #ifndef __P
                     95: #ifdef __STDC__
                     96: #define __P(x)  x
                     97: #else
                     98: #define __P(x)  ()
                     99: #endif
                    100: #endif
                    101: 
                    102: typedef void (*cfunc_t) __P((void *));
                    103: typedef void (*ihfunc_t) __P((int, fd_set *));
                    104: 
                    105: #include "dvmrp.h"     /* Added for further compatibility and convenience */
                    106: #include "pimdd.h"
                    107: #include "mrt.h"
                    108: #include "igmpv2.h"
                    109: #include "vif.h"
                    110: #include "debug.h"
                    111: #include "pathnames.h"
                    112: #ifdef RSRR
                    113: #include "rsrr.h"
                    114: #include "rsrr_var.h"
                    115: #endif /* RSRR */
                    116: 
                    117: /*
                    118:  * Miscellaneous constants and macros
                    119:  */
                    120: /* #if (!(defined(BSDI)) && !(defined(KERNEL))) */
                    121: #ifndef KERNEL
                    122: #define max(a, b)               ((a) < (b) ? (b) : (a))
                    123: #define min(a, b)               ((a) > (b) ? (b) : (a))
                    124: #endif
                    125: 
                    126: /*
                    127:  * Various definitions to make it working for different platforms
                    128:  */
                    129: /* The old style sockaddr definition doesn't have sa_len */
                    130: #if (defined(BSD) && (BSD >= 199006)) /* sa_len was added with 4.3-Reno */ 
                    131: #define HAVE_SA_LEN
                    132: #endif
                    133: 
                    134: /* Versions of Solaris older than 2.6 don't have routing sockets. */
                    135: /* XXX TODO: check FreeBSD version and add all other platforms */
                    136: #if ((defined(SunOS) && SunOS >=56) || (defined FreeBSD) || (defined IRIX) || (defined BSDI) || defined(NetBSD))
                    137: #define HAVE_ROUTING_SOCKETS
                    138: #endif
                    139: 
                    140: #define TRUE                   1
                    141: #define FALSE                  0
                    142: 
                    143: #ifndef MAX
                    144: #define MAX(a,b) (((a) >= (b))? (a) : (b))
                    145: #define MIN(a,b) (((a) <= (b))? (a) : (b))
                    146: #endif /* MAX & MIN */
                    147: 
                    148: #define CREATE                  TRUE
                    149: #define DONT_CREATE             FALSE
                    150: 
                    151: #define EQUAL(s1, s2)          (strcmp((s1), (s2)) == 0)
                    152: 
                    153: /* obnoxious gcc gives an extraneous warning about this constant... */
                    154: #if defined(__STDC__) || defined(__GNUC__)
                    155: #define JAN_1970        2208988800UL    /* 1970 - 1900 in seconds */
                    156: #else
                    157: #define JAN_1970        2208988800L     /* 1970 - 1900 in seconds */
                    158: #define const           /**/
                    159: #endif
                    160: 
                    161: 
                    162: #define MINTTL                 1  /* min TTL in the packets send locally */
                    163: 
                    164: #define MAX_IP_PACKET_LEN       576
                    165: #define MIN_IP_HEADER_LEN       20
                    166: #define MAX_IP_HEADER_LEN       60
                    167: 
                    168: 
                    169: /*
                    170:  * The IGMPv2 <netinet/in.h> defines INADDR_ALLRTRS_GROUP, but earlier
                    171:  * ones don't, so we define it conditionally here.
                    172:  */
                    173: #ifndef INADDR_ALLRTRS_GROUP
                    174:                                        /* address for multicast mtrace msg */
                    175: #define INADDR_ALLRTRS_GROUP   (u_int32)0xe0000002     /* 224.0.0.2 */
                    176: #endif
                    177: 
                    178: #ifndef INADDR_MAX_LOCAL_GROUP
                    179: define INADDR_MAX_LOCAL_GROUP        (u_int32)0xe00000ff     /* 224.0.0.255 */
                    180: #endif
                    181: 
                    182: #define INADDR_ANY_N            (u_int32)0x00000000     /* INADDR_ANY in
                    183:                                                         * network order */
                    184: #define CLASSD_PREFIX           (u_int32)0xe0000000     /* 224.0.0.0 */
                    185: #define ALL_MCAST_GROUPS_ADDR   (u_int32)0xe0000000     /* 224.0.0.0 */
                    186: #define ALL_MCAST_GROUPS_LENGTH 4
                    187: 
                    188: /* Used by DVMRP */
                    189: #define DEFAULT_METRIC         1       /* default subnet/tunnel metric     */
                    190: #define DEFAULT_THRESHOLD      1       /* default subnet/tunnel threshold  */
                    191: 
                    192: #define TIMER_INTERVAL         5       /* 5 sec virtual timer granularity  */
                    193: 
                    194: #ifdef RSRR
                    195: #define BIT_ZERO(X)             ((X) = 0)
                    196: #define BIT_SET(X,n)            ((X) |= 1 << (n))
                    197: #define BIT_CLR(X,n)            ((X) &= ~(1 << (n)))
                    198: #define BIT_TST(X,n)            ((X) & 1 << (n))
                    199: #endif /* RSRR */
                    200: 
                    201: #ifdef SYSV
                    202: #define bcopy(a, b, c)         memcpy((b), (a), (c))
                    203: #define bzero(s, n)            memset((s), 0, (n))
                    204: #define setlinebuf(s)          setvbuf((s), (NULL), (_IOLBF), 0)
                    205: #define RANDOM()                lrand48()
                    206: #else
                    207: #define RANDOM()                random()
                    208: #endif /* SYSV */
                    209: 
                    210: /*
                    211:  * External declarations for global variables and functions.
                    212:  */
                    213: #define                        RECV_BUF_SIZE 64*1024  /* Maximum buff size to send
                    214:                                                * or receive packet */
                    215: #define                 SO_RECV_BUF_SIZE_MAX 256*1024
                    216: #define                 SO_RECV_BUF_SIZE_MIN 48*1024
                    217: 
                    218: /* TODO: describe the variables and clean up */
                    219: extern char            *igmp_recv_buf;
                    220: extern char            *igmp_send_buf;
                    221: extern char            *pim_recv_buf;
                    222: extern char            *pim_send_buf;
                    223: extern int             igmp_socket;
                    224: extern int             pim_socket;
                    225: extern u_int32         allhosts_group;
                    226: extern u_int32         allrouters_group;
                    227: extern u_int32                 allpimrouters_group;
                    228: extern vifbitmap_t      nbr_vifs;
                    229: 
                    230: #ifdef RSRR
                    231: extern int              rsrr_socket;
                    232: #endif /* RSRR */
                    233: 
                    234: extern u_long          virtual_time;
                    235: extern char            configfilename[];
                    236: 
                    237: extern u_int32          default_source_metric;
                    238: extern u_int32          default_source_preference;
                    239: 
                    240: extern srcentry_t      *srclist;
                    241: extern grpentry_t      *grplist;
                    242: 
                    243: extern struct uvif     uvifs[MAXVIFS];
                    244: extern vifi_t          numvifs;
                    245: extern int              total_interfaces;
                    246: extern int              phys_vif;
                    247: extern int             udp_socket;
                    248: 
                    249: extern int             vifs_down;
                    250: 
                    251: extern char            s1[];
                    252: extern char            s2[];
                    253: extern char            s3[];
                    254: extern char            s4[];
                    255: 
                    256: #if !((defined(BSD) && (BSD >= 199103)) || defined(linux))
                    257: extern int             errno;
                    258: extern int             sys_nerr;
                    259: extern char *          sys_errlist[];
                    260: #endif
                    261: 
                    262: 
                    263: #ifndef IGMP_MEMBERSHIP_QUERY
                    264: #define IGMP_MEMBERSHIP_QUERY          IGMP_HOST_MEMBERSHIP_QUERY
1.1.1.1.2.1! misho     265: #if !(defined(NetBSD)) && !(defined(FreeBSD))
1.1       misho     266: #define IGMP_V1_MEMBERSHIP_REPORT      IGMP_HOST_MEMBERSHIP_REPORT
                    267: #define IGMP_V2_MEMBERSHIP_REPORT      IGMP_HOST_NEW_MEMBERSHIP_REPORT
                    268: #else
                    269: #define IGMP_V1_MEMBERSHIP_REPORT       IGMP_v1_HOST_MEMBERSHIP_REPORT
                    270: #define IGMP_V2_MEMBERSHIP_REPORT       IGMP_v2_HOST_MEMBERSHIP_REPORT
                    271: #endif
                    272: #define IGMP_V2_LEAVE_GROUP            IGMP_HOST_LEAVE_MESSAGE
                    273: #endif
                    274: 
1.1.1.1.2.1! misho     275: #if defined(NetBSD) || defined(FreeBSD)
1.1       misho     276: #define IGMP_MTRACE_RESP                IGMP_MTRACE_REPLY
                    277: #define IGMP_MTRACE                     IGMP_MTRACE_QUERY
                    278: #endif
                    279: 
                    280: /* For timeout. The timers count down */
                    281: #define SET_TIMER(timer, value) (timer) = (value)
                    282: #define RESET_TIMER(timer) (timer) = 0
                    283: #define COPY_TIMER(timer_1, timer_2) (timer_2) = (timer_1)
                    284: #define IF_TIMER_SET(timer) if ((timer) > 0)
                    285: #define IF_TIMER_NOT_SET(timer) if ((timer) <= 0)
                    286: #define FIRE_TIMER(timer)       (timer) = 0
                    287: 
                    288: /* XXX Timer will never decrement below 0 - does this work with age_routes? 
                    289:  */
                    290: #define IF_TIMEOUT(timer)              \
                    291:        if (!((timer) -= (MIN(timer, TIMER_INTERVAL))))
                    292: 
                    293: #define IF_NOT_TIMEOUT(timer)          \
                    294:        if ((timer) -= (MIN(timer, TIMER_INTERVAL)))
                    295: 
                    296: #define TIMEOUT(timer)                 \
                    297:        (!((timer) -= (MIN(timer, TIMER_INTERVAL))))
                    298: 
                    299: #define NOT_TIMEOUT(timer)             \
                    300:        ((timer) -= (MIN(timer, TIMER_INTERVAL)))
                    301: 
                    302: #if 0
                    303: #define IF_TIMEOUT(value)     \
                    304:   if (!(((value) >= TIMER_INTERVAL) && ((value) -= TIMER_INTERVAL)))
                    305: 
                    306: #define IF_NOT_TIMEOUT(value) \
                    307:   if (((value) >= TIMER_INTERVAL) && ((value) -= TIMER_INTERVAL))
                    308: 
                    309: #define TIMEOUT(value)        \
                    310:      (!(((value) >= TIMER_INTERVAL) && ((value) -= TIMER_INTERVAL)))
                    311: 
                    312: #define NOT_TIMEOUT(value)    \
                    313:      (((value) >= TIMER_INTERVAL) && ((value) -= TIMER_INTERVAL))
                    314: #endif /* 0 */
                    315: 
                    316: #define ELSE else           /* To make emacs cc-mode happy */      
                    317: 
                    318: 
                    319: /*
                    320:  * External function definitions
                    321:  */
                    322: 
                    323: /* callout.c */
                    324: extern void     callout_init      __P((void));
                    325: extern void     free_all_callouts __P((void));
                    326: extern void     age_callout_queue __P((int));
                    327: extern int      timer_nextTimer   __P((void));
                    328: extern int      timer_setTimer    __P((int, cfunc_t, void *));
                    329: extern void     timer_clearTimer  __P((int));
                    330: extern int      timer_leftTimer   __P((int));
                    331: 
                    332: /* config.c */
                    333: extern void config_vifs_from_kernel __P(());
                    334: extern void config_vifs_from_file   __P(());
                    335: 
                    336: /* debug.c */
                    337: extern char     *packet_kind __P((u_int proto, u_int type, u_int code));
                    338: extern int      debug_kind   __P((u_int proto, u_int type, u_int code));
                    339: extern void     log          __P((int, int, char *, ...));
                    340: extern int      log_level    __P((u_int proto, u_int type, u_int code));
                    341: extern void     dump         __P((int i));
                    342: extern void     fdump        __P((int i));
                    343: extern void     cdump        __P((int i));
                    344: extern void     dump_vifs    __P((FILE *fp));
                    345: extern void     dump_pim_mrt __P((FILE *fp));
                    346: 
                    347: /* dvmrp_proto.c */
                    348: extern void    dvmrp_accept_probe             __P((u_int32 src, u_int32 dst,
                    349:                                                    char *p, int datalen,
                    350:                                                    u_int32 level));
                    351: extern void    dvmrp_accept_report            __P((u_int32 src, u_int32 dst,
                    352:                                                    char *p, int datalen,
                    353:                                                    u_int32 level));
                    354: extern void    dvmrp_accept_info_request      __P((u_int32 src, u_int32 dst,
                    355:                                                    u_char *p, int datalen));
                    356: extern void    dvmrp_accept_info_reply        __P((u_int32 src, u_int32 dst,
                    357:                                                    u_char *p, int datalen));
                    358: extern void    dvmrp_accept_neighbors         __P((u_int32 src, u_int32 dst,
                    359:                                                    u_char *p, int datalen,
                    360:                                                    u_int32 level));
                    361: extern void    dvmrp_accept_neighbors2        __P((u_int32 src, u_int32 dst,
                    362:                                                    u_char *p, int datalen,
                    363:                                                    u_int32 level));
                    364: extern void    dvmrp_accept_prune             __P((u_int32 src, u_int32 dst,
                    365:                                                    char *p, int datalen));
                    366: extern void    dvmrp_accept_graft             __P((u_int32 src, u_int32 dst,
                    367:                                                    char *p, int datalen));
                    368: extern void    dvmrp_accept_g_ack             __P((u_int32 src, u_int32 dst,
                    369:                                                    char *p, int datalen));
                    370: 
                    371: /* igmp.c */
                    372: extern void     init_igmp     __P(());
                    373: extern void     send_igmp     __P((char *buf, u_int32 src, u_int32 dst,
                    374:                                   int type, int code, u_int32 group,
                    375:                                   int datalen));
                    376: 
                    377: /* igmp_proto.c */
                    378: extern void     query_groups            __P((struct uvif *v));
                    379: extern void     accept_membership_query __P((u_int32 src, u_int32 dst,
                    380:                                             u_int32 group, int tmo));
                    381: extern void     accept_group_report     __P((u_int32 src, u_int32 dst,
                    382:                                             u_int32 group, int r_type));
                    383: extern void     accept_leave_message    __P((u_int32 src, u_int32 dst,
                    384:                                             u_int32 group));
                    385: extern int      check_grp_membership    __P((struct uvif *v, u_int32 group));
                    386: 
                    387: /* inet.c */
                    388: extern int      inet_cksum        __P((u_int16 *addr, u_int len));
                    389: extern int      inet_valid_host   __P((u_int32 naddr));
                    390: extern int      inet_valid_mask   __P((u_int32 mask));
                    391: extern int      inet_valid_subnet __P((u_int32 nsubnet, u_int32 nmask));
                    392: extern char    *inet_fmt          __P((u_int32, char *s));
                    393: #ifdef NOSUCHDEF
                    394: extern char    *inet_fmts         __P((u_int32 addr, u_int32 mask, char *s));
                    395: #endif /* NOSUCHDEF */
                    396: extern char    *netname           __P((u_int32 addr, u_int32 mask));
                    397: extern u_int32  inet_parse        __P((char *s, int n));
                    398: 
                    399: /* kern.c */
                    400: extern void     k_set_rcvbuf    __P((int socket, int bufsize, int minsize));
                    401: extern void     k_hdr_include   __P((int socket, int bool));
                    402: extern void     k_set_ttl       __P((int socket, int t));
                    403: extern void     k_set_loop      __P((int socket, int l));
                    404: extern void     k_set_if        __P((int socket, u_int32 ifa));
                    405: extern void     k_join          __P((int socket, u_int32 grp, u_int32 ifa));
                    406: extern void     k_leave         __P((int socket, u_int32 grp, u_int32 ifa));
                    407: extern void     k_init_pim      __P(());
                    408: extern void     k_stop_pim      __P(());
                    409: extern int      k_del_mfc       __P((int socket, u_int32 source,
                    410:                                     u_int32 group));
                    411: extern int      k_chg_mfc       __P((int socket, u_int32 source,
                    412:                                     u_int32 group, vifi_t iif,
                    413:                                     vifbitmap_t oifs));
                    414: extern void     k_add_vif       __P((int socket, vifi_t vifi, struct uvif *v));
                    415: extern void     k_del_vif       __P((int socket, vifi_t vifi));
                    416: extern int      k_get_vif_count __P((vifi_t vifi, struct vif_count *retval));
                    417: extern int      k_get_sg_cnt    __P((int socket, u_int32 source,
                    418:                                     u_int32 group, struct sg_count *retval));
                    419: 
                    420: /* main.c */
                    421: extern int      register_input_handler __P((int fd, ihfunc_t func));
                    422: 
                    423: /* mrt.c */
                    424: extern void         init_pim_mrt             __P(());
                    425: extern mrtentry_t   *find_route              __P((u_int32 source,
                    426:                                                  u_int32 group,
                    427:                                                  u_int16 flags, char create));
                    428: extern grpentry_t   *find_group              __P((u_int32 group));
                    429: extern srcentry_t   *find_source             __P((u_int32 source));
                    430: extern void         delete_mrtentry          __P((mrtentry_t *mrtentry_ptr));
                    431: extern void         delete_srcentry          __P((srcentry_t *srcentry_ptr));
                    432: extern void         delete_grpentry          __P((grpentry_t *grpentry_ptr));
                    433: 
                    434: /* pim.c */
                    435: extern void         init_pim         __P(());
                    436: extern void         send_pim         __P((char *buf, u_int32 src, u_int32 dst,
                    437:                                          int type, int datalen));
                    438: extern void         send_pim_unicast __P((char *buf, u_int32 src, u_int32 dst,
                    439:                                          int type, int datalen));
                    440: 
                    441: /* pim_proto.c */
                    442: extern int receive_pim_hello         __P((u_int32 src, u_int32 dst,
                    443:                                          char *pim_message, int datalen));
                    444: extern int send_pim_hello            __P((struct uvif *v, u_int16 holdtime));
                    445: extern void delete_pim_nbr           __P((pim_nbr_entry_t *nbr_delete));
                    446: extern int receive_pim_join_prune    __P((u_int32 src, u_int32 dst,
                    447:                                          char *pim_message, int datalen));
                    448: extern int send_pim_jp               __P((mrtentry_t *mrtentry_ptr, int action,
                    449:                                          vifi_t vifi, u_int32 target_addr, 
                    450:                                          u_int16 holdtime));
                    451: extern int receive_pim_assert        __P((u_int32 src, u_int32 dst,
                    452:                                          char *pim_message, int datalen));
                    453: extern int send_pim_assert           __P((u_int32 source, u_int32 group,
                    454:                                          vifi_t vifi,
                    455:                                          u_int32 local_preference,
                    456:                                          u_int32 local_metric));
                    457: extern void delete_pim_graft_entry   __P((mrtentry_t *mrtentry_ptr));
                    458: extern int receive_pim_graft         __P((u_int32 src, u_int32 dst, 
                    459:                                          char *pim_message, int datalen,
                    460:                                          int pimtype));
                    461: extern int send_pim_graft            __P((mrtentry_t *mrtentry_ptr));
                    462: 
                    463: 
                    464: /* route.c */
                    465: extern int    set_incoming           __P((srcentry_t *srcentry_ptr,
                    466:                                          int srctype));
                    467: extern vifi_t get_iif                __P((u_int32 source));
                    468: extern pim_nbr_entry_t *find_pim_nbr __P((u_int32 source));
                    469: extern int    add_sg_oif             __P((mrtentry_t *mrtentry_ptr,
                    470:                                          vifi_t vifi,
                    471:                                          u_int16 holdtime,
                    472:                                          int update_holdtime));
                    473: extern void   add_leaf               __P((vifi_t vifi, u_int32 source,
                    474:                                          u_int32 group));
                    475: extern void   delete_leaf            __P((vifi_t vifi, u_int32 source,
                    476:                                          u_int32 group));
                    477: extern void   set_leaves             __P((mrtentry_t *mrtentry_ptr));
                    478: extern int    change_interfaces      __P((mrtentry_t *mrtentry_ptr,
                    479:                                          vifi_t new_iif,
                    480:                                          vifbitmap_t new_pruned_oifs,
                    481:                                          vifbitmap_t new_leaves_));
                    482: extern void   calc_oifs              __P((mrtentry_t *mrtentry_ptr,
                    483:                                        vifbitmap_t *oifs_ptr));
                    484: extern void   process_kernel_call    __P(());
                    485: extern int    delete_vif_from_mrt    __P((vifi_t vifi));
                    486: extern void   trigger_join_alert     __P((mrtentry_t *mrtentry_ptr));
                    487: extern void   trigger_prune_alert    __P((mrtentry_t *mrtentry_ptr));
                    488: 
                    489: 
                    490: /* routesock.c */
                    491: extern int    k_req_incoming         __P((u_int32 source,
                    492:                                          struct rpfctl *rpfp));
                    493: #ifdef HAVE_ROUTING_SOCKETS
                    494: extern int    init_routesock         __P(());
                    495: #endif /* HAVE_ROUTING_SOCKETS */
                    496: 
                    497: #ifdef RSRR
                    498: #define gtable mrtentry
                    499: #define RSRR_NOTIFICATION_OK        TRUE
                    500: #define RSRR_NOTIFICATION_FALSE    FALSE
                    501: 
                    502: /* rsrr.c */
                    503: extern void             rsrr_init        __P((void));
                    504: extern void             rsrr_clean       __P((void));
                    505: extern void             rsrr_cache_send  __P((struct gtable *, int));
                    506: extern void             rsrr_cache_clean __P((struct gtable *));
                    507: extern void             rsrr_cache_bring_up __P((struct gtable *));
                    508: #endif /* RSRR */
                    509: 
                    510: /* timer.c */
                    511: extern void init_timers                 __P(());
                    512: extern void age_vifs                    __P(());
                    513: extern void age_routes                  __P(());
                    514: extern int  clean_srclist               __P(());
                    515: 
                    516: /* trace.c */
                    517: /* u_int is promoted u_char */
                    518: extern void    accept_mtrace            __P((u_int32 src, u_int32 dst,
                    519:                                              u_int32 group, char *data,
                    520:                                              u_int no, int datalen));
                    521: extern void    accept_neighbor_request  __P((u_int32 src, u_int32 dst));
                    522: extern void    accept_neighbor_request2 __P((u_int32 src, u_int32 dst));
                    523: 
                    524: /* vif.c */
                    525: extern void    init_vifs               __P(());
                    526: extern void    stop_all_vifs           __P(());
                    527: extern void    check_vif_state         __P(());
                    528: extern vifi_t  local_address           __P((u_int32 src));
                    529: extern vifi_t  find_vif_direct         __P((u_int32 src));
                    530: extern vifi_t  find_vif_direct_local   __P((u_int32 src));
                    531: extern u_int32 max_local_address       __P((void));
                    532: 

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