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 along
16  * with this program; see the file COPYING; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18  */
19 
20 #ifndef PIM_PIM_H
21 #define PIM_PIM_H
22 
23 #include <zebra.h>
24 
25 #include "if.h"
26 
27 #define PIM_PIM_BUFSIZE_READ  (20000)
28 #define PIM_PIM_BUFSIZE_WRITE (20000)
29 
30 #define PIM_DEFAULT_HELLO_PERIOD                 (30)   /* seconds, RFC 4601: 4.11 */
31 #define PIM_DEFAULT_TRIGGERED_HELLO_DELAY        (5)    /* seconds, RFC 4601: 4.11 */
32 #define PIM_DEFAULT_DR_PRIORITY                  (1)    /* RFC 4601: 4.3.1 */
33 #define PIM_DEFAULT_PROPAGATION_DELAY_MSEC       (500)  /* RFC 4601: 4.11.  Timer Values */
34 #define PIM_DEFAULT_OVERRIDE_INTERVAL_MSEC       (2500) /* RFC 4601: 4.11.  Timer Values */
35 #define PIM_DEFAULT_CAN_DISABLE_JOIN_SUPPRESSION (0)    /* boolean */
36 #define PIM_DEFAULT_T_PERIODIC                   (60)   /* RFC 4601: 4.11.  Timer Values */
37 
38 enum pim_msg_type {
39 	PIM_MSG_TYPE_HELLO = 0,
40 	PIM_MSG_TYPE_REGISTER,
41 	PIM_MSG_TYPE_REG_STOP,
42 	PIM_MSG_TYPE_JOIN_PRUNE,
43 	PIM_MSG_TYPE_BOOTSTRAP,
44 	PIM_MSG_TYPE_ASSERT,
45 	PIM_MSG_TYPE_GRAFT,
46 	PIM_MSG_TYPE_GRAFT_ACK,
47 	PIM_MSG_TYPE_CANDIDATE
48 };
49 
50 void pim_ifstat_reset(struct interface *ifp);
51 void pim_sock_reset(struct interface *ifp);
52 int pim_sock_add(struct interface *ifp);
53 void pim_sock_delete(struct interface *ifp, const char *delete_message);
54 void pim_hello_restart_now(struct interface *ifp);
55 void pim_hello_restart_triggered(struct interface *ifp);
56 
57 int pim_pim_packet(struct interface *ifp, uint8_t *buf, size_t len);
58 
59 int pim_msg_send(int fd, struct in_addr src, struct in_addr dst,
60 		 uint8_t *pim_msg, int pim_msg_size, const char *ifname);
61 
62 int pim_hello_send(struct interface *ifp, uint16_t holdtime);
63 #endif /* PIM_PIM_H */
64