a8a1308240
The SGA from Gregory Nutt had been submitted and we can replace the licenses to Apache 2.0 Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
134 lines
5.1 KiB
C
134 lines
5.1 KiB
C
/****************************************************************************
|
|
* include/nuttx/net/rfc6775.h
|
|
* Definitions for 6LoWPAN Neighbor Discovery
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __INCLUDE_NUTTX_NET_RFC6775_H
|
|
#define __INCLUDE_NUTTX_NET_RFC6775_H
|
|
|
|
/* Acronyms (in addition to those defined in context below:
|
|
*
|
|
* 6LN - 6LoWPAN Node
|
|
* 6LR - 6LoWPAN Router
|
|
* 6LBR - 6LoWPAN Border Router
|
|
*/
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* 4.2 Bit definitions for 6CO resccid field */
|
|
|
|
#define RESCCID_CID_SHIFT (0) /* Bits 0-3: Context identifier */
|
|
#define RESCCID_CID_MASK (7 << RESCCID_CID_SHIFT)
|
|
#define RESCCID_C (1 << 4) /* Bit 4: Compression Flag */
|
|
/* Bits 5-7: Reserved */
|
|
|
|
/* 9 Protocol Constants */
|
|
|
|
/* 6LBR Constants: */
|
|
|
|
#define MIN_CONTEXT_CHANGE_DELAY 300 /* Seconds */
|
|
|
|
/* 6LR Constants: */
|
|
|
|
#define MAX_RTR_ADVERTISEMENTS 3 /* Transmissions */
|
|
#define MIN_DELAY_BETWEEN_RAS 10 /* Seconds */
|
|
#define MAX_RA_DELAY_TIME 2 /* Seconds */
|
|
#define TENTATIVE_NCE_LIFETIME 20 /* Seconds */
|
|
|
|
/* Router Constants: */
|
|
|
|
#define MULTIHOP_HOPLIMI 64
|
|
|
|
/* Host Constants: */
|
|
|
|
#define RTR_SOLICITATION_INTERVAL 10 /* Seconds */
|
|
#define MAX_RTR_SOLICITATIONS 3 /* Transmissions */
|
|
#define MAX_RTR_SOLICITATION_INTERVAL 60 /* Seconds */
|
|
|
|
/****************************************************************************
|
|
* Public Types
|
|
****************************************************************************/
|
|
|
|
/* Table 1. Values for status field */
|
|
|
|
enum sixlowpan_status_e
|
|
{
|
|
SIXLOWPAN_SUCCESS = 0, /* Success */
|
|
SIXLOWPAN_DUPLICATE = 1, /* Duplicate address */
|
|
SIXLOWPAN_FULL = 2, /* Neighbor cache full */
|
|
SIXLOWPAN_ALLOCATED = 3 /* 3-255: Allocated using standard action (RFC5226 */
|
|
};
|
|
|
|
/* 4.1 Source Link-Layer Address Option (SLLAO) */
|
|
|
|
struct sixlowpan_sllao_s
|
|
{
|
|
uint8_t type; /* Byte 0: Type = 33 */
|
|
uint8_t length; /* Byte 1: Length in units of 8 bytes = 2 */
|
|
uint8_t status; /* Byte 2: Status of NS message. See enum sixlowpan_status_e */
|
|
uint8_t reserved[3]; /* Bytes 3-5: Reserved */
|
|
uint8_t lifetime[2]; /* Bytes 6-7: Registration lifetime */
|
|
uint8_t eui64[8]; /* Bytes 8-15: EUI-64 identifier assigned to interface */
|
|
};
|
|
|
|
/* 4.2 6LoWPAN Context Option (6CO) */
|
|
|
|
struct sixlowpan_6co_s
|
|
{
|
|
uint8_t type; /* Byte 0: Type = 34 */
|
|
uint8_t length; /* Byte 1: Length in units of 8 bytes = 2 or 3 */
|
|
uint8_t ctxlen; /* Byte 2: Context length = 0-128 bits */
|
|
uint8_t resccid; /* Byte 3: See RESCCID_* bit definitions */
|
|
uint8_t reserved[2]; /* Bytes 4-6: Reserved */
|
|
uint8_t lifetime[2]; /* Bytes 6-7: Valid lifetime */
|
|
uint8_t prefix[1]; /* Bytes 8-15 or 8-23: Context Prefix */
|
|
};
|
|
|
|
#define SIXLOWPAN_6CO_LEN(b) ((b > 64) ? 16 : 8)
|
|
#define SIZEOF_SIXLOWPAN_6CO_S(b) (sizeof(struct sixlowpan_6co_s) + CMPV6_6CO_LEN(b) - 1)
|
|
|
|
/* 4.3 Authoritative Border Router Option (ABRO) */
|
|
|
|
struct sixlowpan_abro_s
|
|
{
|
|
uint8_t type; /* Byte 0: Type = 35 */
|
|
uint8_t length; /* Byte 1: Length in units of 8 bytes = 3 */
|
|
uint8_t verlo[2]; /* Bytes 2-3: Version low */
|
|
uint8_t verhi[2]; /* Bytes 4-5: Version high */
|
|
uint8_t lifetime[2]; /* Bytes 6-7: Valid lifetime */
|
|
uint8_t ipv6[16]; /* Bytes 8-23: IPv6 address of the 6LBR origin of version */
|
|
};
|
|
|
|
/* 4.4 Duplicate Address Messages (DAD for both DAR and DAC) */
|
|
|
|
struct sixlowpan_dad_s
|
|
{
|
|
uint8_t type; /* Byte 0: Type = 157 (DAR) or 158 (DAC) */
|
|
uint8_t code; /* Byte 1: Code */
|
|
uint8_t chksum[2]; /* Bytes 2-3: Checksum */
|
|
uint8_t status; /* Byte 4: Status of DAR. See enum sixlowpan_status_e */
|
|
uint8_t reserved; /* Byte 5: Reserved */
|
|
uint8_t lifetime[2]; /* Bytes 6-7: Registration lifetime */
|
|
uint8_t eui64[8]; /* Bytes 8-15: EUI-64 identifier registered address */
|
|
uint8_t ipv6[16]; /* Bytes 16-31: Registered address */
|
|
};
|
|
|
|
#endif /* __INCLUDE_NUTTX_NET_RFC6775_H */
|