Return to pim_tlv.h CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / quagga / pimd

Annotation of embedaddon/quagga/pimd/pim_tlv.h, revision 1.1.1.1

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 */