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12e41d03 DL |
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 | |
12e41d03 DL |
19 | */ |
20 | ||
21 | #ifndef PIM_MSG_H | |
22 | #define PIM_MSG_H | |
23 | ||
24 | #include <netinet/in.h> | |
25 | ||
26 | /* | |
27 | Number Description | |
28 | ---------- ------------------ | |
29 | 0 Reserved | |
30 | 1 IP (IP version 4) | |
31 | 2 IP6 (IP version 6) | |
32 | ||
33 | From: | |
34 | http://www.iana.org/assignments/address-family-numbers | |
35 | */ | |
36 | #define PIM_MSG_ADDRESS_FAMILY_IPV4 (1) | |
37 | ||
70ce34ae DS |
38 | /* |
39 | * Network Order pim_msg_hdr | |
40 | */ | |
41 | struct pim_msg_header { | |
42 | uint8_t type:4; | |
43 | uint8_t ver:4; | |
44 | uint8_t reserved; | |
45 | uint16_t checksum; | |
46 | } __attribute__ ((packed)); | |
47 | ||
f8e7d799 DS |
48 | void pim_msg_build_header(uint8_t *pim_msg, size_t pim_msg_size, uint8_t pim_msg_type); |
49 | uint8_t *pim_msg_addr_encode_ipv4_ucast(uint8_t *buf, struct in_addr addr); | |
50 | uint8_t *pim_msg_addr_encode_ipv4_group(uint8_t *buf, struct in_addr addr); | |
984c84f4 DS |
51 | |
52 | #define PIM_ENCODE_SPARSE_BIT 0x04 | |
53 | #define PIM_ENCODE_WC_BIT 0x02 | |
54 | #define PIM_ENCODE_RPT_BIT 0x01 | |
12e41d03 | 55 | uint8_t *pim_msg_addr_encode_ipv4_source(uint8_t *buf, |
f8e7d799 | 56 | struct in_addr addr, uint8_t bits); |
12e41d03 | 57 | |
346cffe3 | 58 | |
f8e7d799 DS |
59 | int pim_msg_join_prune_encode (uint8_t *buf, size_t buf_size, int is_join, |
60 | struct pim_upstream *up, | |
61 | struct in_addr upstream, int holdtime); | |
12e41d03 | 62 | #endif /* PIM_MSG_H */ |