Annotation of embedaddon/quagga/pimd/pim_tlv.h, revision 1.1
1.1 ! misho 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
! 19:
! 20: $QuaggaId: $Format:%an, %ai, %h$ $
! 21: */
! 22:
! 23: #ifndef PIM_TLV_H
! 24: #define PIM_TLV_H
! 25:
! 26: #include <zebra.h>
! 27:
! 28: #include "config.h"
! 29: #include "if.h"
! 30: #include "linklist.h"
! 31:
! 32: #ifdef HAVE_INTTYPES_H
! 33: #include <inttypes.h>
! 34: #endif /* HAVE_INTTYPES_H */
! 35:
! 36: #define PIM_MSG_OPTION_TYPE_HOLDTIME (1)
! 37: #define PIM_MSG_OPTION_TYPE_LAN_PRUNE_DELAY (2)
! 38: #define PIM_MSG_OPTION_TYPE_DR_PRIORITY (19)
! 39: #define PIM_MSG_OPTION_TYPE_GENERATION_ID (20)
! 40: #define PIM_MSG_OPTION_TYPE_DM_STATE_REFRESH (21)
! 41: #define PIM_MSG_OPTION_TYPE_ADDRESS_LIST (24)
! 42:
! 43: typedef uint32_t pim_hello_options;
! 44: #define PIM_OPTION_MASK_HOLDTIME (1 << 0) /* recv holdtime */
! 45: #define PIM_OPTION_MASK_LAN_PRUNE_DELAY (1 << 1) /* recv lan_prune_delay */
! 46: #define PIM_OPTION_MASK_DR_PRIORITY (1 << 2) /* recv dr_priority */
! 47: #define PIM_OPTION_MASK_GENERATION_ID (1 << 3) /* recv generation_id */
! 48: #define PIM_OPTION_MASK_ADDRESS_LIST (1 << 4) /* recv secondary address list */
! 49: #define PIM_OPTION_MASK_CAN_DISABLE_JOIN_SUPPRESSION (1 << 5) /* T bit value (valid if recv lan_prune_delay) */
! 50:
! 51: #define PIM_RPT_BIT_MASK (1 << 0)
! 52: #define PIM_WILDCARD_BIT_MASK (1 << 1)
! 53:
! 54: #define PIM_OPTION_SET(options, option_mask) ((options) |= (option_mask))
! 55: #define PIM_OPTION_UNSET(options, option_mask) ((options) &= ~(option_mask))
! 56: #define PIM_OPTION_IS_SET(options, option_mask) ((options) & (option_mask))
! 57:
! 58: #define PIM_TLV_GET_UINT16(buf) ntohs(*(const uint16_t *)(buf))
! 59: #define PIM_TLV_GET_UINT32(buf) ntohl(*(const uint32_t *)(buf))
! 60: #define PIM_TLV_GET_TYPE(buf) PIM_TLV_GET_UINT16(buf)
! 61: #define PIM_TLV_GET_LENGTH(buf) PIM_TLV_GET_UINT16(buf)
! 62: #define PIM_TLV_GET_HOLDTIME(buf) PIM_TLV_GET_UINT16(buf)
! 63: #define PIM_TLV_GET_PROPAGATION_DELAY(buf) (PIM_TLV_GET_UINT16(buf) & 0x7FFF)
! 64: #define PIM_TLV_GET_OVERRIDE_INTERVAL(buf) PIM_TLV_GET_UINT16(buf)
! 65: #define PIM_TLV_GET_CAN_DISABLE_JOIN_SUPPRESSION(buf) ((*(const uint8_t *)(buf)) & 0x80)
! 66: #define PIM_TLV_GET_DR_PRIORITY(buf) PIM_TLV_GET_UINT32(buf)
! 67: #define PIM_TLV_GET_GENERATION_ID(buf) PIM_TLV_GET_UINT32(buf)
! 68:
! 69: #define PIM_TLV_TYPE_SIZE (2)
! 70: #define PIM_TLV_LENGTH_SIZE (2)
! 71: #define PIM_TLV_MIN_SIZE (PIM_TLV_TYPE_SIZE + PIM_TLV_LENGTH_SIZE)
! 72: #define PIM_TLV_OPTION_SIZE(option_len) (PIM_TLV_MIN_SIZE + (option_len))
! 73:
! 74: uint8_t *pim_tlv_append_uint16(uint8_t *buf,
! 75: const uint8_t *buf_pastend,
! 76: uint16_t option_type,
! 77: uint16_t option_value);
! 78: uint8_t *pim_tlv_append_2uint16(uint8_t *buf,
! 79: const uint8_t *buf_pastend,
! 80: uint16_t option_type,
! 81: uint16_t option_value1,
! 82: uint16_t option_value2);
! 83: uint8_t *pim_tlv_append_uint32(uint8_t *buf,
! 84: const uint8_t *buf_pastend,
! 85: uint16_t option_type,
! 86: uint32_t option_value);
! 87: uint8_t *pim_tlv_append_addrlist_ucast(uint8_t *buf,
! 88: const uint8_t *buf_pastend,
! 89: struct list *ifconnected);
! 90:
! 91: int pim_tlv_parse_holdtime(const char *ifname, struct in_addr src_addr,
! 92: pim_hello_options *hello_options,
! 93: uint16_t *hello_option_holdtime,
! 94: uint16_t option_len,
! 95: const uint8_t *tlv_curr);
! 96: int pim_tlv_parse_lan_prune_delay(const char *ifname, struct in_addr src_addr,
! 97: pim_hello_options *hello_options,
! 98: uint16_t *hello_option_propagation_delay,
! 99: uint16_t *hello_option_override_interval,
! 100: uint16_t option_len,
! 101: const uint8_t *tlv_curr);
! 102: int pim_tlv_parse_dr_priority(const char *ifname, struct in_addr src_addr,
! 103: pim_hello_options *hello_options,
! 104: uint32_t *hello_option_dr_priority,
! 105: uint16_t option_len,
! 106: const uint8_t *tlv_curr);
! 107: int pim_tlv_parse_generation_id(const char *ifname, struct in_addr src_addr,
! 108: pim_hello_options *hello_options,
! 109: uint32_t *hello_option_generation_id,
! 110: uint16_t option_len,
! 111: const uint8_t *tlv_curr);
! 112: int pim_tlv_parse_addr_list(const char *ifname, struct in_addr src_addr,
! 113: pim_hello_options *hello_options,
! 114: struct list **hello_option_addr_list,
! 115: uint16_t option_len,
! 116: const uint8_t *tlv_curr);
! 117:
! 118: int pim_parse_addr_ucast(const char *ifname, struct in_addr src_addr,
! 119: struct prefix *p,
! 120: const uint8_t *buf,
! 121: int buf_size);
! 122: int pim_parse_addr_group(const char *ifname, struct in_addr src_addr,
! 123: struct prefix *p,
! 124: const uint8_t *buf,
! 125: int buf_size);
! 126: int pim_parse_addr_source(const char *ifname,
! 127: struct in_addr src_addr,
! 128: struct prefix *p,
! 129: uint8_t *flags,
! 130: const uint8_t *buf,
! 131: int buf_size);
! 132:
! 133: #endif /* PIM_TLV_H */
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