cd2fcf5252
Most tools used for compliance and SBOM generation use SPDX identifiers This change brings us a step closer to an easy SBOM generation. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
135 lines
5.1 KiB
C
135 lines
5.1 KiB
C
/****************************************************************************
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* include/nuttx/net/rfc6775.h
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NUTTX_NET_RFC6775_H
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#define __INCLUDE_NUTTX_NET_RFC6775_H
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/* Acronyms (in addition to those defined in context below:
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*
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* 6LN - 6LoWPAN Node
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* 6LR - 6LoWPAN Router
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* 6LBR - 6LoWPAN Border Router
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*/
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* 4.2 Bit definitions for 6CO resccid field */
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#define RESCCID_CID_SHIFT (0) /* Bits 0-3: Context identifier */
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#define RESCCID_CID_MASK (7 << RESCCID_CID_SHIFT)
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#define RESCCID_C (1 << 4) /* Bit 4: Compression Flag */
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/* Bits 5-7: Reserved */
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/* 9 Protocol Constants */
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/* 6LBR Constants: */
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#define MIN_CONTEXT_CHANGE_DELAY 300 /* Seconds */
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/* 6LR Constants: */
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#define MAX_RTR_ADVERTISEMENTS 3 /* Transmissions */
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#define MIN_DELAY_BETWEEN_RAS 10 /* Seconds */
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#define MAX_RA_DELAY_TIME 2 /* Seconds */
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#define TENTATIVE_NCE_LIFETIME 20 /* Seconds */
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/* Router Constants: */
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#define MULTIHOP_HOPLIMI 64
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/* Host Constants: */
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#define RTR_SOLICITATION_INTERVAL 10 /* Seconds */
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#define MAX_RTR_SOLICITATIONS 3 /* Transmissions */
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#define MAX_RTR_SOLICITATION_INTERVAL 60 /* Seconds */
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* Table 1. Values for status field */
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enum sixlowpan_status_e
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{
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SIXLOWPAN_SUCCESS = 0, /* Success */
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SIXLOWPAN_DUPLICATE = 1, /* Duplicate address */
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SIXLOWPAN_FULL = 2, /* Neighbor cache full */
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SIXLOWPAN_ALLOCATED = 3 /* 3-255: Allocated using standard action (RFC5226 */
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};
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/* 4.1 Source Link-Layer Address Option (SLLAO) */
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struct sixlowpan_sllao_s
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{
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uint8_t type; /* Byte 0: Type = 33 */
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uint8_t length; /* Byte 1: Length in units of 8 bytes = 2 */
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uint8_t status; /* Byte 2: Status of NS message. See enum sixlowpan_status_e */
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uint8_t reserved[3]; /* Bytes 3-5: Reserved */
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uint8_t lifetime[2]; /* Bytes 6-7: Registration lifetime */
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uint8_t eui64[8]; /* Bytes 8-15: EUI-64 identifier assigned to interface */
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};
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/* 4.2 6LoWPAN Context Option (6CO) */
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struct sixlowpan_6co_s
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{
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uint8_t type; /* Byte 0: Type = 34 */
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uint8_t length; /* Byte 1: Length in units of 8 bytes = 2 or 3 */
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uint8_t ctxlen; /* Byte 2: Context length = 0-128 bits */
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uint8_t resccid; /* Byte 3: See RESCCID_* bit definitions */
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uint8_t reserved[2]; /* Bytes 4-6: Reserved */
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uint8_t lifetime[2]; /* Bytes 6-7: Valid lifetime */
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uint8_t prefix[1]; /* Bytes 8-15 or 8-23: Context Prefix */
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};
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#define SIXLOWPAN_6CO_LEN(b) ((b > 64) ? 16 : 8)
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#define SIZEOF_SIXLOWPAN_6CO_S(b) (sizeof(struct sixlowpan_6co_s) + CMPV6_6CO_LEN(b) - 1)
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/* 4.3 Authoritative Border Router Option (ABRO) */
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struct sixlowpan_abro_s
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{
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uint8_t type; /* Byte 0: Type = 35 */
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uint8_t length; /* Byte 1: Length in units of 8 bytes = 3 */
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uint8_t verlo[2]; /* Bytes 2-3: Version low */
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uint8_t verhi[2]; /* Bytes 4-5: Version high */
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uint8_t lifetime[2]; /* Bytes 6-7: Valid lifetime */
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uint8_t ipv6[16]; /* Bytes 8-23: IPv6 address of the 6LBR origin of version */
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};
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/* 4.4 Duplicate Address Messages (DAD for both DAR and DAC) */
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struct sixlowpan_dad_s
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{
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uint8_t type; /* Byte 0: Type = 157 (DAR) or 158 (DAC) */
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uint8_t code; /* Byte 1: Code */
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uint8_t chksum[2]; /* Bytes 2-3: Checksum */
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uint8_t status; /* Byte 4: Status of DAR. See enum sixlowpan_status_e */
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uint8_t reserved; /* Byte 5: Reserved */
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uint8_t lifetime[2]; /* Bytes 6-7: Registration lifetime */
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uint8_t eui64[8]; /* Bytes 8-15: EUI-64 identifier registered address */
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uint8_t ipv6[16]; /* Bytes 16-31: Registered address */
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};
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#endif /* __INCLUDE_NUTTX_NET_RFC6775_H */
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