Annotation of embedaddon/pimd/defs.h, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (c) 1998-2001
! 3: * University of Southern California/Information Sciences Institute.
! 4: * All rights reserved.
! 5: *
! 6: * Redistribution and use in source and binary forms, with or without
! 7: * modification, are permitted provided that the following conditions
! 8: * are met:
! 9: * 1. Redistributions of source code must retain the above copyright
! 10: * notice, this list of conditions and the following disclaimer.
! 11: * 2. Redistributions in binary form must reproduce the above copyright
! 12: * notice, this list of conditions and the following disclaimer in the
! 13: * documentation and/or other materials provided with the distribution.
! 14: * 3. Neither the name of the project nor the names of its contributors
! 15: * may be used to endorse or promote products derived from this software
! 16: * without specific prior written permission.
! 17: *
! 18: * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
! 19: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 20: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 21: * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
! 22: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 23: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 24: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 25: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 26: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 27: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 28: * SUCH DAMAGE.
! 29: */
! 30: /*
! 31: * Part of this program has been derived from mrouted.
! 32: * The mrouted program is covered by the license in the accompanying file
! 33: * named "LICENSE.mrouted".
! 34: *
! 35: * The mrouted program is COPYRIGHT 1989 by The Board of Trustees of
! 36: * Leland Stanford Junior University.
! 37: *
! 38: */
! 39: #ifndef __PIMD_DEFS_H__
! 40: #define __PIMD_DEFS_H__
! 41:
! 42: #ifndef __linux__
! 43: # include <sys/cdefs.h> /* Defines __BSD_VISIBLE, needed for arc4random() etc. */
! 44: #endif
! 45:
! 46: #include <stdio.h>
! 47: #include <stdlib.h>
! 48: #include <stdint.h>
! 49: #include <unistd.h>
! 50: #include <ctype.h>
! 51: #include <errno.h>
! 52: #include <syslog.h>
! 53: #include <signal.h>
! 54: #include <string.h>
! 55: #include <sys/param.h>
! 56: #include <sys/types.h>
! 57: #include <sys/socket.h>
! 58: #include <sys/ioctl.h>
! 59: #include <fcntl.h>
! 60: #if ((defined(SYSV)) || (defined(__bsdi__)) || ((defined SunOS) && (SunOS < 50)))
! 61: #include <sys/sockio.h>
! 62: #endif /* SYSV || bsdi || SunOS 4.x */
! 63: #include <time.h>
! 64: #include <sys/time.h>
! 65: #include <net/if.h>
! 66: #include <netinet/in.h>
! 67: #include <arpa/inet.h>
! 68: #include <netinet/in_systm.h>
! 69: #include <netinet/ip.h>
! 70: #include <netinet/igmp.h>
! 71: #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
! 72: #include <osreldate.h>
! 73: #endif /* __FreeBSD__ */
! 74: #if defined(__bsdi__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
! 75: #define rtentry kernel_rtentry
! 76: #include <net/route.h>
! 77: #undef rtentry
! 78: #endif /* bsdi or __FreeBSD_version >= 220000 */
! 79: #ifdef __linux__
! 80: #define _LINUX_IN_H /* For Linux <= 2.6.25 */
! 81: #include <linux/types.h>
! 82: #include <linux/mroute.h>
! 83: #else
! 84: #include <netinet/ip_mroute.h>
! 85: #endif /* __linux__ */
! 86:
! 87: /* If using any of the BSD distributions of UNIX the configure script
! 88: * links with -lutil, but on Linux we link with -lite. All required
! 89: * APIs are forward declared in lite.h, so we can use it everywhere. */
! 90: #include "libite/lite.h"
! 91:
! 92: #include <strings.h>
! 93: #ifdef RSRR
! 94: #include <sys/un.h>
! 95: #endif /* RSRR */
! 96:
! 97: #ifndef BYTE_ORDER
! 98: #if (BSD >= 199103)
! 99: #include <machine/endian.h>
! 100: #else
! 101: #ifdef __linux__
! 102: #include <endian.h>
! 103: #else
! 104: #define LITTLE_ENDIAN 1234 /* least-significant byte first (vax, pc) */
! 105: #define BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */
! 106: #define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp) */
! 107:
! 108: #if defined(vax) || defined(ns32000) || defined(sun386) || defined(i386) || \
! 109: defined(__ia64) || \
! 110: defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
! 111: defined(__alpha__) || defined(__alpha)
! 112: #define BYTE_ORDER LITTLE_ENDIAN
! 113: #endif
! 114:
! 115: #if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
! 116: defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
! 117: defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\
! 118: defined(apollo) || defined(__convex__) || defined(_CRAY) || \
! 119: defined(__hppa) || defined(__hp9000) || \
! 120: defined(__hp9000s300) || defined(__hp9000s700) || \
! 121: defined(BIT_ZERO_ON_LEFT) || defined(m68k)
! 122: #define BYTE_ORDER BIG_ENDIAN
! 123: #endif
! 124: #endif /* linux */
! 125: #endif /* BSD */
! 126: #endif /* BYTE_ORDER */
! 127:
! 128: typedef void (*cfunc_t) (void *);
! 129: typedef void (*ihfunc_t) (int, fd_set *);
! 130:
! 131: #include "dvmrp.h" /* Added for further compatibility and convenience */
! 132: #include "pimd.h"
! 133: #include "mrt.h"
! 134: #include "igmpv2.h"
! 135: #include "igmpv3.h"
! 136: #include "vif.h"
! 137: #include "debug.h"
! 138: #include "pathnames.h"
! 139: #ifdef RSRR
! 140: #include "rsrr.h"
! 141: #include "rsrr_var.h"
! 142: #endif /* RSRR */
! 143:
! 144: /*
! 145: * Miscellaneous constants and macros
! 146: */
! 147:
! 148: #define ENABLINGSTR(val) (val) ? "enabling" : "disabling"
! 149:
! 150: /*
! 151: * Various definitions to make it working for different platforms
! 152: */
! 153: /* The old style sockaddr definition doesn't have sa_len */
! 154: #if defined(_AIX) || (defined(BSD) && (BSD >= 199006)) /* sa_len was added with 4.3-Reno */
! 155: #define HAVE_SA_LEN
! 156: #endif
! 157:
! 158: /* Versions of Solaris older than 2.6 don't have routing sockets. */
! 159: /* XXX TODO: check FreeBSD version and add all other platforms */
! 160: #if defined(__linux__) || (defined(SunOS) && SunOS >=56) || \
! 161: defined (IRIX) || defined (__bsdi__) || \
! 162: defined (__FreeBSD__) || defined(__FreeBSD_kernel__) || \
! 163: defined(NetBSD) || defined(OpenBSD)
! 164: #define HAVE_ROUTING_SOCKETS 1
! 165: #endif
! 166:
! 167: /* Older versions of UNIX don't really give us true raw sockets.
! 168: * Instead, they expect ip_len and ip_off in host byte order, and also
! 169: * provide them to us in that format when receiving raw frames.
! 170: *
! 171: * This list could probably be made longer, e.g., SunOS and __bsdi__
! 172: */
! 173: #if defined(__NetBSD__) || \
! 174: (defined(__FreeBSD__) && (__FreeBSD_version < 1100030)) || \
! 175: (defined(__OpenBSD__) && (OpenBSD < 200311))
! 176: #define HAVE_IP_HDRINCL_BSD_ORDER
! 177: #endif
! 178:
! 179: #define TRUE 1
! 180: #define FALSE 0
! 181:
! 182: #ifndef MAX
! 183: #define MAX(a,b) (((a) >= (b))? (a) : (b))
! 184: #define MIN(a,b) (((a) <= (b))? (a) : (b))
! 185: #endif /* MAX & MIN */
! 186:
! 187: #define CREATE TRUE
! 188: #define DONT_CREATE FALSE
! 189:
! 190: #define MFC_MOVE_FORCE 0x1
! 191: #define MFC_UPDATE_FORCE 0x2
! 192:
! 193: #define EQUAL(s1, s2) (strcmp((s1), (s2)) == 0)
! 194: #define ARRAY_LEN(a) (sizeof((a)) / sizeof((a)[0]))
! 195:
! 196: #define JAN_1970 2208988800UL /* 1970 - 1900 in seconds */
! 197:
! 198: #define MINTTL 1 /* min TTL in the packets send locally */
! 199:
! 200: #define MAX_IP_PACKET_LEN 576
! 201: #define MIN_IP_HEADER_LEN 20 /* sizeof(struct ip) */
! 202: #define IP_IGMP_HEADER_LEN 24 /* MIN + Router Alert */
! 203: #define MAX_IP_HEADER_LEN 60
! 204:
! 205:
! 206: /*
! 207: * The IGMPv2 <netinet/in.h> defines INADDR_ALLRTRS_GROUP, but earlier
! 208: * ones don't, so we define it conditionally here.
! 209: */
! 210: #ifndef INADDR_ALLRTRS_GROUP
! 211: /* address for multicast mtrace msg */
! 212: #define INADDR_ALLRTRS_GROUP (uint32_t)0xe0000002 /* 224.0.0.2 */
! 213: #endif
! 214:
! 215: #ifndef INADDR_ALLRPTS_GROUP
! 216: #define INADDR_ALLRPTS_GROUP ((in_addr_t)0xe0000016) /* 224.0.0.22, IGMPv3 */
! 217: #endif
! 218:
! 219: #ifndef INADDR_MAX_LOCAL_GROUP
! 220: #define INADDR_MAX_LOCAL_GROUP (uint32_t)0xe00000ff /* 224.0.0.255 */
! 221: #endif
! 222:
! 223: #define INADDR_ANY_N (uint32_t)0x00000000 /* INADDR_ANY in
! 224: * network order */
! 225: #define CLASSD_PREFIX (uint32_t)0xe0000000 /* 224.0.0.0 */
! 226: #define STAR_STAR_RP_MSKLEN 4 /* Masklen for
! 227: * 224.0.0.0 :
! 228: * to encode (*,*,RP)
! 229: */
! 230: #define ALL_MCAST_GROUPS_ADDR (uint32_t)0xe0000000 /* 224.0.0.0 */
! 231: #define ALL_MCAST_GROUPS_LEN 4
! 232:
! 233: /* Used by DVMRP */
! 234: #define DEFAULT_METRIC 1 /* default subnet/tunnel metric */
! 235: #define DEFAULT_THRESHOLD 1 /* default subnet/tunnel threshold */
! 236:
! 237: /* Used if no relaible unicast routing information available */
! 238: #define UCAST_DEFAULT_ROUTE_DISTANCE 101
! 239: #define UCAST_DEFAULT_ROUTE_METRIC 1024
! 240:
! 241: #define TIMER_INTERVAL 5 /* 5 sec virtual timer granularity */
! 242:
! 243: /*
! 244: * TODO: recalculate the messages sizes, probably with regard to the MTU
! 245: * TODO: cleanup
! 246: */
! 247: #define MAX_JP_MESSAGE_SIZE 8192
! 248: #define MAX_JP_MESSAGE_POOL_NUMBER 8
! 249: #define MAX_JOIN_LIST_SIZE 1500
! 250: #define MAX_PRUNE_LIST_SIZE 1500
! 251:
! 252:
! 253: #ifdef RSRR
! 254: #define BIT_ZERO(X) ((X) = 0)
! 255: #define BIT_SET(X,n) ((X) |= 1 << (n))
! 256: #define BIT_CLR(X,n) ((X) &= ~(1 << (n)))
! 257: #define BIT_TST(X,n) ((X) & 1 << (n))
! 258: #endif /* RSRR */
! 259:
! 260: #ifndef __linux__
! 261: #define RANDOM() arc4random()
! 262: #else
! 263: #define RANDOM() (uint32_t)random()
! 264: #endif
! 265:
! 266: /* NetBSD 6.1, for instance, does not have IPOPT_RA defined. */
! 267: #ifndef IPOPT_RA
! 268: #define IPOPT_RA 148
! 269: #endif
! 270:
! 271: /*
! 272: * External declarations for global variables and functions.
! 273: */
! 274: #define SEND_BUF_SIZE (128*1024) /* Maximum buff size to
! 275: * send a packet */
! 276: #define RECV_BUF_SIZE (128*1024) /* Maximum buff size to
! 277: * receive a packet */
! 278: #define SO_SEND_BUF_SIZE_MAX (256*1024)
! 279: #define SO_SEND_BUF_SIZE_MIN (48*1024)
! 280: #define SO_RECV_BUF_SIZE_MAX (256*1024)
! 281: #define SO_RECV_BUF_SIZE_MIN (48*1024)
! 282:
! 283:
! 284: /*
! 285: * Global settings, from config.c
! 286: */
! 287: extern uint16_t pim_timer_hello_interval;
! 288: extern uint16_t pim_timer_hello_holdtime;
! 289:
! 290: /* TODO: describe the variables and clean up */
! 291: extern char *igmp_recv_buf;
! 292: extern char *igmp_send_buf;
! 293: extern char *pim_recv_buf;
! 294: extern char *pim_send_buf;
! 295: extern int igmp_socket;
! 296: extern int pim_socket;
! 297: extern uint32_t allhosts_group;
! 298: extern uint32_t allrouters_group;
! 299: extern uint32_t allreports_group;
! 300: extern uint32_t allpimrouters_group;
! 301: extern build_jp_message_t *build_jp_message_pool;
! 302: extern int build_jp_message_pool_counter;
! 303:
! 304: extern uint32_t virtual_time;
! 305: extern char *config_file;
! 306: extern int haveterminal;
! 307: extern char *__progname;
! 308:
! 309: extern struct cand_rp_adv_message_ {
! 310: uint8_t *buffer;
! 311: uint8_t *insert_data_ptr;
! 312: uint8_t *prefix_cnt_ptr;
! 313: uint16_t message_size;
! 314: } cand_rp_adv_message;
! 315:
! 316: extern int disable_all_by_default;
! 317: extern int mrt_table_id;
! 318:
! 319: /*
! 320: * Used to contol the switching to the shortest path:
! 321: */
! 322: typedef enum {
! 323: SPT_RATE,
! 324: SPT_PACKETS,
! 325: SPT_INF
! 326: } spt_mode_t;
! 327:
! 328: typedef struct {
! 329: uint8_t mode;
! 330: uint32_t bytes;
! 331: uint32_t packets;
! 332: uint32_t interval;
! 333: } spt_threshold_t;
! 334: extern spt_threshold_t spt_threshold;
! 335:
! 336: extern cand_rp_t *cand_rp_list;
! 337: extern grp_mask_t *grp_mask_list;
! 338: extern cand_rp_t *segmented_cand_rp_list;
! 339: extern grp_mask_t *segmented_grp_mask_list;
! 340:
! 341: extern uint16_t curr_bsr_fragment_tag;
! 342: extern uint8_t curr_bsr_priority;
! 343: extern uint32_t curr_bsr_address;
! 344: extern uint32_t curr_bsr_hash_mask;
! 345: extern uint8_t cand_bsr_flag; /* candidate BSR flag */
! 346: extern uint8_t my_bsr_priority;
! 347: extern uint32_t my_bsr_address;
! 348: extern uint32_t my_bsr_hash_mask;
! 349: extern uint8_t cand_rp_flag; /* Candidate RP flag */
! 350: extern uint32_t my_cand_rp_address;
! 351: extern uint8_t my_cand_rp_priority;
! 352: extern uint16_t my_cand_rp_holdtime;
! 353: extern uint16_t my_cand_rp_adv_period; /* The locally configured
! 354: * Cand-RP adv. period.
! 355: */
! 356: extern uint16_t pim_bootstrap_timer;
! 357: extern uint32_t rp_my_ipv4_hashmask;
! 358: extern uint16_t pim_cand_rp_adv_timer;
! 359:
! 360: /* route.c */
! 361: extern uint32_t default_route_metric;
! 362: extern uint32_t default_route_distance;
! 363:
! 364: /* igmp_proto.c */
! 365: extern uint32_t igmp_query_interval;
! 366: extern uint32_t igmp_querier_timeout;
! 367:
! 368: /* mrt.c */
! 369: extern srcentry_t *srclist;
! 370: extern grpentry_t *grplist;
! 371:
! 372: /* vif.c */
! 373: extern struct uvif uvifs[MAXVIFS];
! 374: extern vifi_t numvifs;
! 375: extern int total_interfaces;
! 376: extern vifi_t reg_vif_num;
! 377: extern int phys_vif;
! 378: extern int udp_socket;
! 379:
! 380: extern int vifs_down;
! 381:
! 382: #define MAX_INET_BUF_LEN 19
! 383: extern char s1[MAX_INET_BUF_LEN];
! 384: extern char s2[MAX_INET_BUF_LEN];
! 385: extern char s3[MAX_INET_BUF_LEN];
! 386: extern char s4[MAX_INET_BUF_LEN];
! 387:
! 388: #if !((defined(BSD) && (BSD >= 199103)) || (defined(__linux__)))
! 389: extern int errno;
! 390: #endif
! 391:
! 392:
! 393: #ifndef IGMP_MEMBERSHIP_QUERY
! 394: #define IGMP_MEMBERSHIP_QUERY IGMP_HOST_MEMBERSHIP_QUERY
! 395: #if !(defined(NetBSD) || defined(OpenBSD) || defined(__FreeBSD__))
! 396: #define IGMP_V1_MEMBERSHIP_REPORT IGMP_HOST_MEMBERSHIP_REPORT
! 397: #define IGMP_V2_MEMBERSHIP_REPORT IGMP_HOST_NEW_MEMBERSHIP_REPORT
! 398: #else
! 399: #define IGMP_V1_MEMBERSHIP_REPORT IGMP_v1_HOST_MEMBERSHIP_REPORT
! 400: #define IGMP_V2_MEMBERSHIP_REPORT IGMP_v2_HOST_MEMBERSHIP_REPORT
! 401: #endif
! 402: #define IGMP_V2_LEAVE_GROUP IGMP_HOST_LEAVE_MESSAGE
! 403: #endif
! 404: #if defined(__FreeBSD__) /* From FreeBSD 8.x */
! 405: #define IGMP_V3_MEMBERSHIP_REPORT IGMP_v3_HOST_MEMBERSHIP_REPORT
! 406: #else
! 407: #define IGMP_V3_MEMBERSHIP_REPORT 0x22 /* Ver. 3 membership report */
! 408: #endif
! 409:
! 410: #if defined(NetBSD) || defined(OpenBSD) || defined(__FreeBSD__)
! 411: #define IGMP_MTRACE_RESP IGMP_MTRACE_REPLY
! 412: #define IGMP_MTRACE IGMP_MTRACE_QUERY
! 413: #endif
! 414:
! 415: /* For timeout. The timers count down */
! 416: #define SET_TIMER(timer, value) (timer) = (value)
! 417: #define RESET_TIMER(timer) (timer) = 0
! 418: #define COPY_TIMER(timer_1, timer_2) (timer_2) = (timer_1)
! 419: #define IF_TIMER_SET(timer) if ((timer) > 0)
! 420: #define IF_TIMER_NOT_SET(timer) if ((timer) <= 0)
! 421: #define FIRE_TIMER(timer) (timer) = 0
! 422:
! 423: #define IF_TIMEOUT(timer) \
! 424: if (!((timer) -= (MIN(timer, TIMER_INTERVAL))))
! 425:
! 426: #define IF_NOT_TIMEOUT(timer) \
! 427: if ((timer) -= (MIN(timer, TIMER_INTERVAL)))
! 428:
! 429: #define TIMEOUT(timer) \
! 430: (!((timer) -= (MIN(timer, TIMER_INTERVAL))))
! 431:
! 432: #define NOT_TIMEOUT(timer) \
! 433: ((timer) -= (MIN(timer, TIMER_INTERVAL)))
! 434:
! 435: #define ELSE else /* To make emacs cc-mode happy */
! 436:
! 437: #define MASK_TO_VAL(x, i) { \
! 438: uint32_t _x = ntohl(x); \
! 439: (i) = 1; \
! 440: while ((_x) <<= 1) \
! 441: (i)++; \
! 442: };
! 443:
! 444: #define VAL_TO_MASK(x, i) { \
! 445: x = htonl(~((1 << (32 - (i))) - 1)); \
! 446: };
! 447:
! 448: /*
! 449: * External function definitions
! 450: */
! 451:
! 452: /* callout.c */
! 453: extern void callout_init (void);
! 454: extern void free_all_callouts (void);
! 455: extern void age_callout_queue (int);
! 456: extern int timer_nextTimer (void);
! 457: extern int timer_setTimer (int, cfunc_t, void *);
! 458: extern void timer_clearTimer (int);
! 459: extern int timer_leftTimer (int);
! 460:
! 461: /* config.c */
! 462: extern void config_vifs_from_kernel (void);
! 463: extern void config_vifs_from_file (void);
! 464:
! 465: /* debug.c */
! 466: extern char *packet_kind (int proto, int type, int code);
! 467: extern int debug_kind (int proto, int type, int code);
! 468: extern void logit (int, int, const char *, ...);
! 469: extern void dump_frame (char *desc, void *dump, size_t len);
! 470: extern int log_level (int proto, int type, int code);
! 471: extern void dump (int i);
! 472: extern void fdump (int i);
! 473: extern void cdump (int i);
! 474: extern void dump_vifs (FILE *fp);
! 475: extern void dump_pim_mrt (FILE *fp);
! 476: extern int dump_rp_set (FILE *fp);
! 477:
! 478: /* dvmrp_proto.c */
! 479: extern void dvmrp_accept_probe (uint32_t src, uint32_t dst, uint8_t *p, int datalen, uint32_t level);
! 480: extern void dvmrp_accept_report (uint32_t src, uint32_t dst, uint8_t *p, int datalen, uint32_t level);
! 481: extern void dvmrp_accept_info_request (uint32_t src, uint32_t dst, uint8_t *p, int datalen);
! 482: extern void dvmrp_accept_info_reply (uint32_t src, uint32_t dst, uint8_t *p, int datalen);
! 483: extern void dvmrp_accept_neighbors (uint32_t src, uint32_t dst, uint8_t *p, int datalen, uint32_t level);
! 484: extern void dvmrp_accept_neighbors2 (uint32_t src, uint32_t dst, uint8_t *p, int datalen, uint32_t level);
! 485: extern void dvmrp_accept_prune (uint32_t src, uint32_t dst, uint8_t *p, int datalen);
! 486: extern void dvmrp_accept_graft (uint32_t src, uint32_t dst, uint8_t *p, int datalen);
! 487: extern void dvmrp_accept_g_ack (uint32_t src, uint32_t dst, uint8_t *p, int datalen);
! 488:
! 489: /* igmp.c */
! 490: extern void init_igmp (void);
! 491: extern void send_igmp (char *buf, uint32_t src, uint32_t dst, int type, int code, uint32_t group, int datalen);
! 492:
! 493: /* igmp_proto.c */
! 494: extern void query_groups (struct uvif *v);
! 495: extern void accept_membership_query (uint32_t src, uint32_t dst, uint32_t group, int tmo, int igmp_version);
! 496: extern void accept_group_report (uint32_t src, uint32_t dst, uint32_t group, int r_type);
! 497: extern void accept_leave_message (uint32_t src, uint32_t dst, uint32_t group);
! 498: extern void accept_membership_report(uint32_t src, uint32_t dst, struct igmpv3_report *report, ssize_t reportlen);
! 499:
! 500: /* inet.c */
! 501: extern int inet_cksum (uint16_t *addr, u_int len);
! 502: extern int inet_valid_host (uint32_t naddr);
! 503: extern int inet_valid_mask (uint32_t mask);
! 504: extern int inet_valid_subnet (uint32_t nsubnet, uint32_t nmask);
! 505: extern char *inet_fmt (uint32_t addr, char *s, size_t len);
! 506: extern char *netname (uint32_t addr, uint32_t mask);
! 507: extern uint32_t inet_parse (char *s, int n);
! 508:
! 509: /* kern.c */
! 510: extern void k_set_sndbuf (int socket, int bufsize, int minsize);
! 511: extern void k_set_rcvbuf (int socket, int bufsize, int minsize);
! 512: extern void k_hdr_include (int socket, int val);
! 513: extern void k_set_ttl (int socket, int t);
! 514: extern void k_set_loop (int socket, int l);
! 515: extern void k_set_if (int socket, uint32_t ifa);
! 516: extern void k_set_router_alert (int socket);
! 517: extern void k_join (int socket, uint32_t grp, struct uvif *v);
! 518: extern void k_leave (int socket, uint32_t grp, struct uvif *v);
! 519: extern void k_init_pim (int socket);
! 520: extern void k_stop_pim (int socket);
! 521: extern int k_del_mfc (int socket, uint32_t source, uint32_t group);
! 522: extern int k_chg_mfc (int socket, uint32_t source, uint32_t group, vifi_t iif, vifbitmap_t oifs,
! 523: uint32_t rp_addr);
! 524: extern void k_add_vif (int socket, vifi_t vifi, struct uvif *v);
! 525: extern void k_del_vif (int socket, vifi_t vifi, struct uvif *v);
! 526: extern int k_get_vif_count (vifi_t vifi, struct vif_count *retval);
! 527: extern int k_get_sg_cnt (int socket, uint32_t source, uint32_t group, struct sg_count *retval);
! 528:
! 529: /* main.c */
! 530: extern int register_input_handler (int fd, ihfunc_t func);
! 531:
! 532: /* mrt.c */
! 533: extern void init_pim_mrt (void);
! 534: extern mrtentry_t *find_route (uint32_t source, uint32_t group, uint16_t flags, char create);
! 535: extern grpentry_t *find_group (uint32_t group);
! 536: extern srcentry_t *find_source (uint32_t source);
! 537: extern void delete_mrtentry (mrtentry_t *mrtentry_ptr);
! 538: extern void delete_srcentry (srcentry_t *srcentry_ptr);
! 539: extern void delete_grpentry (grpentry_t *grpentry_ptr);
! 540: extern void delete_mrtentry_all_kernel_cache (mrtentry_t *mrtentry_ptr);
! 541: extern void delete_single_kernel_cache (mrtentry_t *mrtentry_ptr, kernel_cache_t *kernel_cache_ptr);
! 542: extern void delete_single_kernel_cache_addr (mrtentry_t *mrtentry_ptr, uint32_t source, uint32_t group);
! 543: extern void add_kernel_cache (mrtentry_t *mrtentry_ptr, uint32_t source, uint32_t group, uint16_t flags);
! 544: /* pim.c */
! 545: extern void init_pim (void);
! 546: extern void send_pim (char *buf, uint32_t src, uint32_t dst, int type, size_t len);
! 547: extern void send_pim_unicast (char *buf, int mtu, uint32_t src, uint32_t dst, int type, size_t len);
! 548:
! 549: /* pim_proto.c */
! 550: extern int receive_pim_hello (uint32_t src, uint32_t dst, char *msg, size_t len);
! 551: extern int send_pim_hello (struct uvif *v, uint16_t holdtime);
! 552: extern void delete_pim_nbr (pim_nbr_entry_t *nbr_delete);
! 553: extern int receive_pim_register (uint32_t src, uint32_t dst, char *msg, size_t len);
! 554: extern int send_pim_null_register (mrtentry_t *r);
! 555: extern int receive_pim_register_stop (uint32_t src, uint32_t dst, char *msg, size_t len);
! 556: extern int send_pim_register (char *pkt);
! 557: extern int receive_pim_join_prune (uint32_t src, uint32_t dst, char *msg, size_t len);
! 558: extern int join_or_prune (mrtentry_t *mrtentry_ptr, pim_nbr_entry_t *upstream_router);
! 559: extern int receive_pim_assert (uint32_t src, uint32_t dst, char *msg, size_t len);
! 560: extern int send_pim_assert (uint32_t source, uint32_t group, vifi_t vifi, mrtentry_t *mrtentry_ptr);
! 561: extern int send_periodic_pim_join_prune (vifi_t vifi, pim_nbr_entry_t *pim_nbr, uint16_t holdtime);
! 562: extern int add_jp_entry (pim_nbr_entry_t *pim_nbr, uint16_t holdtime, uint32_t group, uint8_t grp_msklen,
! 563: uint32_t source, uint8_t src_msklen, uint16_t addr_flags, uint8_t join_prune);
! 564: extern void pack_and_send_jp_message (pim_nbr_entry_t *pim_nbr);
! 565: extern int receive_pim_cand_rp_adv (uint32_t src, uint32_t dst, char *msg, size_t len);
! 566: extern int receive_pim_bootstrap (uint32_t src, uint32_t dst, char *msg, size_t len);
! 567: extern int send_pim_cand_rp_adv (void);
! 568: extern void send_pim_bootstrap (void);
! 569:
! 570: /* route.c */
! 571: extern int set_incoming (srcentry_t *srcentry_ptr, int srctype);
! 572: extern vifi_t get_iif (uint32_t source);
! 573: extern pim_nbr_entry_t *find_pim_nbr (uint32_t source);
! 574: extern int add_sg_oif (mrtentry_t *mrtentry_ptr, vifi_t vifi, uint16_t holdtime, int update_holdtime);
! 575: extern void add_leaf (vifi_t vifi, uint32_t source, uint32_t group);
! 576: extern void delete_leaf (vifi_t vifi, uint32_t source, uint32_t group);
! 577: extern int change_interfaces (mrtentry_t *mrtentry_ptr, vifi_t new_iif,
! 578: vifbitmap_t new_joined_oifs_, vifbitmap_t new_pruned_oifs,
! 579: vifbitmap_t new_leaves_, vifbitmap_t new_asserted_oifs, uint16_t flags);
! 580: extern void calc_oifs (mrtentry_t *mrtentry_ptr, vifbitmap_t *oifs_ptr);
! 581: extern void process_kernel_call (void);
! 582: extern int delete_vif_from_mrt (vifi_t vifi);
! 583: extern mrtentry_t *switch_shortest_path (uint32_t source, uint32_t group);
! 584:
! 585: /* routesock.c and netlink.c */
! 586: extern int k_req_incoming (uint32_t source, struct rpfctl *rpfp);
! 587: extern int init_routesock (void);
! 588: extern int routing_socket;
! 589:
! 590: /* rp.c */
! 591: extern void init_rp_and_bsr (void);
! 592: extern uint16_t bootstrap_initial_delay (void);
! 593: extern rp_grp_entry_t *add_rp_grp_entry (cand_rp_t **used_cand_rp_list,
! 594: grp_mask_t **used_grp_mask_list,
! 595: uint32_t rp_addr,
! 596: uint8_t rp_priority,
! 597: uint16_t rp_holdtime,
! 598: uint32_t group_addr,
! 599: uint32_t group_mask,
! 600: uint32_t bsr_hash_mask,
! 601: uint16_t fragment_tag);
! 602: extern void delete_rp_grp_entry (cand_rp_t **used_cand_rp_list, grp_mask_t **used_grp_mask_list,
! 603: rp_grp_entry_t *rp_grp_entry_delete);
! 604: extern void delete_grp_mask (cand_rp_t **used_cand_rp_list, grp_mask_t **used_grp_mask_list,
! 605: uint32_t group_addr, uint32_t group_mask);
! 606: extern void delete_rp (cand_rp_t **used_cand_rp_list, grp_mask_t **used_grp_mask_list,
! 607: uint32_t rp_addr);
! 608: extern void delete_rp_list (cand_rp_t **used_cand_rp_list, grp_mask_t **used_grp_mask_list);
! 609: extern rpentry_t *rp_match (uint32_t group);
! 610: extern rp_grp_entry_t *rp_grp_match (uint32_t group);
! 611: extern rpentry_t *rp_find (uint32_t rp_address);
! 612: extern int remap_grpentry (grpentry_t *grpentry_ptr);
! 613: extern int create_pim_bootstrap_message (char *send_buff);
! 614: extern int check_mrtentry_rp (mrtentry_t *mrtentry_ptr, uint32_t rp_addr);
! 615:
! 616: #ifdef RSRR
! 617: #ifdef PIM
! 618: #define gtable mrtentry
! 619: #endif /* PIM */
! 620: #define RSRR_NOTIFICATION_OK TRUE
! 621: #define RSRR_NOTIFICATION_FALSE FALSE
! 622:
! 623: /* rsrr.c */
! 624: extern void rsrr_init (void);
! 625: extern void rsrr_clean (void);
! 626: extern void rsrr_cache_send (struct gtable *, int);
! 627: extern void rsrr_cache_clean (struct gtable *);
! 628: extern void rsrr_cache_bring_up (struct gtable *);
! 629: #endif /* RSRR */
! 630:
! 631: /* timer.c */
! 632: extern void init_timers (void);
! 633: extern void age_vifs (void);
! 634: extern void age_routes (void);
! 635: extern void age_misc (void);
! 636: extern int unicast_routing_changes (srcentry_t *src_ent);
! 637: extern int clean_srclist (void);
! 638:
! 639: /* trace.c */
! 640: /* u_int is promoted uint8_t */
! 641: extern void accept_mtrace (uint32_t src, uint32_t dst, uint32_t group, char *data, u_int no, int datalen);
! 642: extern void accept_neighbor_request (uint32_t src, uint32_t dst);
! 643: extern void accept_neighbor_request2 (uint32_t src, uint32_t dst);
! 644:
! 645: /* vif.c */
! 646: extern void init_vifs (void);
! 647: extern void zero_vif (struct uvif *, int);
! 648: extern void stop_all_vifs (void);
! 649: extern void check_vif_state (void);
! 650: extern vifi_t local_address (uint32_t src);
! 651: extern vifi_t find_vif_direct (uint32_t src);
! 652: extern vifi_t find_vif_direct_local (uint32_t src);
! 653: extern uint32_t max_local_address (void);
! 654:
! 655: struct rp_hold {
! 656: struct rp_hold *next;
! 657: uint32_t address;
! 658: uint32_t group;
! 659: uint32_t mask;
! 660: uint8_t priority;
! 661: };
! 662:
! 663: #endif /* __PIMD_DEFS_H__ */
! 664:
! 665: /**
! 666: * Local Variables:
! 667: * version-control: t
! 668: * indent-tabs-mode: t
! 669: * c-file-style: "ellemtel"
! 670: * c-basic-offset: 4
! 671: * End:
! 672: */
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