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
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,
24 #include <netinet/in.h>
26 #include "pim_jp_agg.h"
29 ---------- ------------------
35 http://www.iana.org/assignments/address-family-numbers
37 enum pim_msg_address_family
{
38 PIM_MSG_ADDRESS_FAMILY_RESERVED
,
39 PIM_MSG_ADDRESS_FAMILY_IPV4
,
40 PIM_MSG_ADDRESS_FAMILY_IPV6
,
44 * Network Order pim_msg_hdr
46 struct pim_msg_header
{
51 } __attribute__ ((packed
));
53 struct pim_encoded_ipv4_unicast
{
57 } __attribute__ ((packed
));
59 struct pim_encoded_group_ipv4
{
65 } __attribute__ ((packed
));
67 struct pim_encoded_source_ipv4
{
73 } __attribute__ ((packed
));
75 struct pim_jp_groups
{
76 struct pim_encoded_group_ipv4 g
;
79 struct pim_encoded_source_ipv4 s
[1];
80 } __attribute__ ((packed
));
83 struct pim_msg_header header
;
84 struct pim_encoded_ipv4_unicast addr
;
88 struct pim_jp_groups groups
[1];
89 } __attribute__ ((packed
));
91 void pim_msg_build_header(uint8_t *pim_msg
, size_t pim_msg_size
, uint8_t pim_msg_type
);
92 uint8_t *pim_msg_addr_encode_ipv4_ucast(uint8_t *buf
, struct in_addr addr
);
93 uint8_t *pim_msg_addr_encode_ipv4_group(uint8_t *buf
, struct in_addr addr
);
95 #define PIM_ENCODE_SPARSE_BIT 0x04
96 #define PIM_ENCODE_WC_BIT 0x02
97 #define PIM_ENCODE_RPT_BIT 0x01
98 uint8_t *pim_msg_addr_encode_ipv4_source(uint8_t *buf
,
99 struct in_addr addr
, uint8_t bits
);
102 size_t pim_msg_get_jp_group_size (struct list
*sources
);
103 size_t pim_msg_build_jp_groups (struct pim_jp_groups
*grp
, struct pim_jp_agg_group
*sgs
, size_t size
);
104 #endif /* PIM_MSG_H */