/*
- PIM for Quagga
- Copyright (C) 2008 Everton da Silva Marques
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING; if not, write to the
- Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- MA 02110-1301 USA
-*/
+ * PIM for Quagga
+ * Copyright (C) 2008 Everton da Silva Marques
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
#ifndef PIM_MSG_H
#define PIM_MSG_H
#include "pim_jp_agg.h"
/*
- Number Description
+ Number Description
---------- ------------------
0 Reserved
1 IP (IP version 4)
http://www.iana.org/assignments/address-family-numbers
*/
enum pim_msg_address_family {
- PIM_MSG_ADDRESS_FAMILY_RESERVED,
- PIM_MSG_ADDRESS_FAMILY_IPV4,
- PIM_MSG_ADDRESS_FAMILY_IPV6,
+ PIM_MSG_ADDRESS_FAMILY_RESERVED,
+ PIM_MSG_ADDRESS_FAMILY_IPV4,
+ PIM_MSG_ADDRESS_FAMILY_IPV6,
};
/*
* Network Order pim_msg_hdr
*/
struct pim_msg_header {
- uint8_t type:4;
- uint8_t ver:4;
- uint8_t reserved;
- uint16_t checksum;
-} __attribute__ ((packed));
+ uint8_t type : 4;
+ uint8_t ver : 4;
+ uint8_t reserved;
+ uint16_t checksum;
+} __attribute__((packed));
struct pim_encoded_ipv4_unicast {
- uint8_t family;
- uint8_t reserved;
- struct in_addr addr;
-} __attribute__ ((packed));
+ uint8_t family;
+ uint8_t reserved;
+ struct in_addr addr;
+} __attribute__((packed));
struct pim_encoded_group_ipv4 {
- uint8_t ne;
- uint8_t family;
- uint8_t reserved;
- uint8_t mask;
- struct in_addr addr;
-} __attribute__ ((packed));
+ uint8_t ne;
+ uint8_t family;
+ uint8_t reserved;
+ uint8_t mask;
+ struct in_addr addr;
+} __attribute__((packed));
struct pim_encoded_source_ipv4 {
- uint8_t ne;
- uint8_t family;
- uint8_t bits;
- uint8_t mask;
- struct in_addr addr;
-} __attribute__ ((packed));
+ uint8_t ne;
+ uint8_t family;
+ uint8_t bits;
+ uint8_t mask;
+ struct in_addr addr;
+} __attribute__((packed));
struct pim_jp_groups {
- struct pim_encoded_group_ipv4 g;
- uint16_t joins;
- uint16_t prunes;
- struct pim_encoded_source_ipv4 s[1];
-} __attribute__ ((packed));
+ struct pim_encoded_group_ipv4 g;
+ uint16_t joins;
+ uint16_t prunes;
+ struct pim_encoded_source_ipv4 s[1];
+} __attribute__((packed));
struct pim_jp {
- struct pim_msg_header header;
- struct pim_encoded_ipv4_unicast addr;
- uint8_t reserved;
- uint8_t num_groups;
- uint16_t holdtime;
- struct pim_jp_groups groups[1];
-} __attribute__ ((packed));
-
-void pim_msg_build_header(uint8_t *pim_msg, size_t pim_msg_size, uint8_t pim_msg_type);
+ struct pim_msg_header header;
+ struct pim_encoded_ipv4_unicast addr;
+ uint8_t reserved;
+ uint8_t num_groups;
+ uint16_t holdtime;
+ struct pim_jp_groups groups[1];
+} __attribute__((packed));
+
+void pim_msg_build_header(uint8_t *pim_msg, size_t pim_msg_size,
+ uint8_t pim_msg_type);
uint8_t *pim_msg_addr_encode_ipv4_ucast(uint8_t *buf, struct in_addr addr);
uint8_t *pim_msg_addr_encode_ipv4_group(uint8_t *buf, struct in_addr addr);
#define PIM_ENCODE_SPARSE_BIT 0x04
#define PIM_ENCODE_WC_BIT 0x02
#define PIM_ENCODE_RPT_BIT 0x01
-uint8_t *pim_msg_addr_encode_ipv4_source(uint8_t *buf,
- struct in_addr addr, uint8_t bits);
+uint8_t *pim_msg_addr_encode_ipv4_source(uint8_t *buf, struct in_addr addr,
+ uint8_t bits);
-size_t pim_msg_get_jp_group_size (struct list *sources);
-size_t pim_msg_build_jp_groups (struct pim_jp_groups *grp, struct pim_jp_agg_group *sgs, size_t size);
+size_t pim_msg_get_jp_group_size(struct list *sources);
+size_t pim_msg_build_jp_groups(struct pim_jp_groups *grp,
+ struct pim_jp_agg_group *sgs, size_t size);
#endif /* PIM_MSG_H */
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