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quagga 1.0.20160315

    1: /*
    2:   PIM for Quagga
    3:   Copyright (C) 2008  Everton da Silva Marques
    4: 
    5:   This program is free software; you can redistribute it and/or modify
    6:   it under the terms of the GNU General Public License as published by
    7:   the Free Software Foundation; either version 2 of the License, or
    8:   (at your option) any later version.
    9: 
   10:   This program is distributed in the hope that it will be useful, but
   11:   WITHOUT ANY WARRANTY; without even the implied warranty of
   12:   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   13:   General Public License for more details.
   14:   
   15:   You should have received a copy of the GNU General Public License
   16:   along with this program; see the file COPYING; if not, write to the
   17:   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
   18:   MA 02110-1301 USA
   19:   
   20:   $QuaggaId: $Format:%an, %ai, %h$ $
   21: */
   22: 
   23: #ifndef PIM_PIM_H
   24: #define PIM_PIM_H
   25: 
   26: #include <zebra.h>
   27: 
   28: #include "if.h"
   29: 
   30: #define PIM_PIM_BUFSIZE_READ  (20000)
   31: #define PIM_PIM_BUFSIZE_WRITE (20000)
   32: 
   33: #define PIM_NEXTHOP_IFINDEX_TAB_SIZE (20)
   34: 
   35: #define PIM_DEFAULT_HELLO_PERIOD                 (30)   /* seconds, RFC 4601: 4.11 */
   36: #define PIM_DEFAULT_TRIGGERED_HELLO_DELAY        (5)    /* seconds, RFC 4601: 4.11 */
   37: #define PIM_DEFAULT_DR_PRIORITY                  (1)    /* RFC 4601: 4.3.1 */
   38: #define PIM_DEFAULT_PROPAGATION_DELAY_MSEC       (500)  /* RFC 4601: 4.11.  Timer Values */
   39: #define PIM_DEFAULT_OVERRIDE_INTERVAL_MSEC       (2500) /* RFC 4601: 4.11.  Timer Values */
   40: #define PIM_DEFAULT_CAN_DISABLE_JOIN_SUPPRESSION (0)    /* boolean */
   41: #define PIM_DEFAULT_T_PERIODIC                   (60)   /* RFC 4601: 4.11.  Timer Values */
   42: 
   43: #define PIM_MSG_TYPE_HELLO      (0)
   44: #define PIM_MSG_TYPE_REGISTER   (1)
   45: #define PIM_MSG_TYPE_REG_STOP   (2)
   46: #define PIM_MSG_TYPE_JOIN_PRUNE (3)
   47: #define PIM_MSG_TYPE_BOOTSTRAP  (4)
   48: #define PIM_MSG_TYPE_ASSERT     (5)
   49: #define PIM_MSG_TYPE_GRAFT      (6)
   50: #define PIM_MSG_TYPE_GRAFT_ACK  (7)
   51: #define PIM_MSG_TYPE_CANDIDATE  (8)
   52: 
   53: #define PIM_MSG_HDR_OFFSET_VERSION(pim_msg) (pim_msg)
   54: #define PIM_MSG_HDR_OFFSET_TYPE(pim_msg) (pim_msg)
   55: #define PIM_MSG_HDR_OFFSET_RESERVED(pim_msg) (((char *)(pim_msg)) + 1)
   56: #define PIM_MSG_HDR_OFFSET_CHECKSUM(pim_msg) (((char *)(pim_msg)) + 2)
   57: 
   58: #define PIM_MSG_HDR_GET_VERSION(pim_msg) ((*(uint8_t*) PIM_MSG_HDR_OFFSET_VERSION(pim_msg)) >> 4)
   59: #define PIM_MSG_HDR_GET_TYPE(pim_msg) ((*(uint8_t*) PIM_MSG_HDR_OFFSET_TYPE(pim_msg)) & 0xF)
   60: #define PIM_MSG_HDR_GET_CHECKSUM(pim_msg) (*(uint16_t*) PIM_MSG_HDR_OFFSET_CHECKSUM(pim_msg))
   61: 
   62: void pim_ifstat_reset(struct interface *ifp);
   63: void pim_sock_reset(struct interface *ifp);
   64: int pim_sock_add(struct interface *ifp);
   65: void pim_sock_delete(struct interface *ifp, const char *delete_message);
   66: void pim_hello_restart_now(struct interface *ifp);
   67: void pim_hello_restart_triggered(struct interface *ifp);
   68: 
   69: int pim_pim_packet(struct interface *ifp, uint8_t *buf, size_t len);
   70: 
   71: int pim_msg_send(int fd,
   72: 		 struct in_addr dst,
   73: 		 uint8_t *pim_msg,
   74: 		 int pim_msg_size,
   75: 		 const char *ifname);
   76: 
   77: #endif /* PIM_PIM_H */