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Annotation of embedaddon/quagga/pimd/pim_pim.h, revision 1.1.1.1

1.1       misho       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 */