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- /*
- 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
-
- $QuaggaId: $Format:%an, %ai, %h$ $
- */
- #ifndef PIM_TLV_H
- #define PIM_TLV_H
- #include <zebra.h>
- #include "config.h"
- #include "if.h"
- #include "linklist.h"
- #ifdef HAVE_INTTYPES_H
- #include <inttypes.h>
- #endif /* HAVE_INTTYPES_H */
- #define PIM_MSG_OPTION_TYPE_HOLDTIME (1)
- #define PIM_MSG_OPTION_TYPE_LAN_PRUNE_DELAY (2)
- #define PIM_MSG_OPTION_TYPE_DR_PRIORITY (19)
- #define PIM_MSG_OPTION_TYPE_GENERATION_ID (20)
- #define PIM_MSG_OPTION_TYPE_DM_STATE_REFRESH (21)
- #define PIM_MSG_OPTION_TYPE_ADDRESS_LIST (24)
- typedef uint32_t pim_hello_options;
- #define PIM_OPTION_MASK_HOLDTIME (1 << 0) /* recv holdtime */
- #define PIM_OPTION_MASK_LAN_PRUNE_DELAY (1 << 1) /* recv lan_prune_delay */
- #define PIM_OPTION_MASK_DR_PRIORITY (1 << 2) /* recv dr_priority */
- #define PIM_OPTION_MASK_GENERATION_ID (1 << 3) /* recv generation_id */
- #define PIM_OPTION_MASK_ADDRESS_LIST (1 << 4) /* recv secondary address list */
- #define PIM_OPTION_MASK_CAN_DISABLE_JOIN_SUPPRESSION (1 << 5) /* T bit value (valid if recv lan_prune_delay) */
- #define PIM_RPT_BIT_MASK (1 << 0)
- #define PIM_WILDCARD_BIT_MASK (1 << 1)
- #define PIM_OPTION_SET(options, option_mask) ((options) |= (option_mask))
- #define PIM_OPTION_UNSET(options, option_mask) ((options) &= ~(option_mask))
- #define PIM_OPTION_IS_SET(options, option_mask) ((options) & (option_mask))
- #define PIM_TLV_GET_UINT16(buf) ntohs(*(const uint16_t *)(buf))
- #define PIM_TLV_GET_UINT32(buf) ntohl(*(const uint32_t *)(buf))
- #define PIM_TLV_GET_TYPE(buf) PIM_TLV_GET_UINT16(buf)
- #define PIM_TLV_GET_LENGTH(buf) PIM_TLV_GET_UINT16(buf)
- #define PIM_TLV_GET_HOLDTIME(buf) PIM_TLV_GET_UINT16(buf)
- #define PIM_TLV_GET_PROPAGATION_DELAY(buf) (PIM_TLV_GET_UINT16(buf) & 0x7FFF)
- #define PIM_TLV_GET_OVERRIDE_INTERVAL(buf) PIM_TLV_GET_UINT16(buf)
- #define PIM_TLV_GET_CAN_DISABLE_JOIN_SUPPRESSION(buf) ((*(const uint8_t *)(buf)) & 0x80)
- #define PIM_TLV_GET_DR_PRIORITY(buf) PIM_TLV_GET_UINT32(buf)
- #define PIM_TLV_GET_GENERATION_ID(buf) PIM_TLV_GET_UINT32(buf)
- #define PIM_TLV_TYPE_SIZE (2)
- #define PIM_TLV_LENGTH_SIZE (2)
- #define PIM_TLV_MIN_SIZE (PIM_TLV_TYPE_SIZE + PIM_TLV_LENGTH_SIZE)
- #define PIM_TLV_OPTION_SIZE(option_len) (PIM_TLV_MIN_SIZE + (option_len))
- uint8_t *pim_tlv_append_uint16(uint8_t *buf,
- const uint8_t *buf_pastend,
- uint16_t option_type,
- uint16_t option_value);
- uint8_t *pim_tlv_append_2uint16(uint8_t *buf,
- const uint8_t *buf_pastend,
- uint16_t option_type,
- uint16_t option_value1,
- uint16_t option_value2);
- uint8_t *pim_tlv_append_uint32(uint8_t *buf,
- const uint8_t *buf_pastend,
- uint16_t option_type,
- uint32_t option_value);
- uint8_t *pim_tlv_append_addrlist_ucast(uint8_t *buf,
- const uint8_t *buf_pastend,
- struct list *ifconnected);
- int pim_tlv_parse_holdtime(const char *ifname, struct in_addr src_addr,
- pim_hello_options *hello_options,
- uint16_t *hello_option_holdtime,
- uint16_t option_len,
- const uint8_t *tlv_curr);
- int pim_tlv_parse_lan_prune_delay(const char *ifname, struct in_addr src_addr,
- pim_hello_options *hello_options,
- uint16_t *hello_option_propagation_delay,
- uint16_t *hello_option_override_interval,
- uint16_t option_len,
- const uint8_t *tlv_curr);
- int pim_tlv_parse_dr_priority(const char *ifname, struct in_addr src_addr,
- pim_hello_options *hello_options,
- uint32_t *hello_option_dr_priority,
- uint16_t option_len,
- const uint8_t *tlv_curr);
- int pim_tlv_parse_generation_id(const char *ifname, struct in_addr src_addr,
- pim_hello_options *hello_options,
- uint32_t *hello_option_generation_id,
- uint16_t option_len,
- const uint8_t *tlv_curr);
- int pim_tlv_parse_addr_list(const char *ifname, struct in_addr src_addr,
- pim_hello_options *hello_options,
- struct list **hello_option_addr_list,
- uint16_t option_len,
- const uint8_t *tlv_curr);
- int pim_parse_addr_ucast(const char *ifname, struct in_addr src_addr,
- struct prefix *p,
- const uint8_t *buf,
- int buf_size);
- int pim_parse_addr_group(const char *ifname, struct in_addr src_addr,
- struct prefix *p,
- const uint8_t *buf,
- int buf_size);
- int pim_parse_addr_source(const char *ifname,
- struct in_addr src_addr,
- struct prefix *p,
- uint8_t *flags,
- const uint8_t *buf,
- int buf_size);
- #endif /* PIM_TLV_H */
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