3 * Copyright (C) 2008 Everton da Silva Marques
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.
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.
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
23 #include <netinet/in.h>
25 #include "pim_jp_agg.h"
28 ---------- ------------------
34 http://www.iana.org/assignments/address-family-numbers
36 enum pim_msg_address_family
{
37 PIM_MSG_ADDRESS_FAMILY_RESERVED
,
38 PIM_MSG_ADDRESS_FAMILY_IPV4
,
39 PIM_MSG_ADDRESS_FAMILY_IPV6
,
43 * Network Order pim_msg_hdr
45 struct pim_msg_header
{
50 } __attribute__ ((packed
));
52 struct pim_encoded_ipv4_unicast
{
56 } __attribute__ ((packed
));
58 struct pim_encoded_group_ipv4
{
64 } __attribute__ ((packed
));
66 struct pim_encoded_source_ipv4
{
72 } __attribute__ ((packed
));
74 struct pim_jp_groups
{
75 struct pim_encoded_group_ipv4 g
;
78 struct pim_encoded_source_ipv4 s
[1];
79 } __attribute__ ((packed
));
82 struct pim_msg_header header
;
83 struct pim_encoded_ipv4_unicast addr
;
87 struct pim_jp_groups groups
[1];
88 } __attribute__ ((packed
));
90 void pim_msg_build_header(uint8_t *pim_msg
, size_t pim_msg_size
, uint8_t pim_msg_type
);
91 uint8_t *pim_msg_addr_encode_ipv4_ucast(uint8_t *buf
, struct in_addr addr
);
92 uint8_t *pim_msg_addr_encode_ipv4_group(uint8_t *buf
, struct in_addr addr
);
94 #define PIM_ENCODE_SPARSE_BIT 0x04
95 #define PIM_ENCODE_WC_BIT 0x02
96 #define PIM_ENCODE_RPT_BIT 0x01
97 uint8_t *pim_msg_addr_encode_ipv4_source(uint8_t *buf
,
98 struct in_addr addr
, uint8_t bits
);
101 size_t pim_msg_get_jp_group_size (struct list
*sources
);
102 size_t pim_msg_build_jp_groups (struct pim_jp_groups
*grp
, struct pim_jp_agg_group
*sgs
, size_t size
);
103 #endif /* PIM_MSG_H */