rfc6775: Fix header, add references, correct naming. This is NOT ICMPv6, but part of 6LoWPAN that acts like ICMPv6.
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Gregory Nutt
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@ -1,9 +1,14 @@
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/****************************************************************************
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* include/nuttx/net/enc28j60.h
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* include/nuttx/net/rfc6775.h
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* Definitions for 6LoWPAN Neighbor Discovery
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*
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* Copyright (C) 2010, 2012, 2015 Gregory Nutt. All rights reserved.
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Reference: RFC6775, Neighbor Discovery Optimization for IPv6 over Low-
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* Power Wireless Personal Area Networks (6LoWPANs), Internet
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* Engineering Task Force (IETF), November 2012
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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@ -36,6 +41,13 @@
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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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@ -51,24 +63,24 @@
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/* 6LBR Constants: */
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#define MIN_CONTEXT_CHANGE_DELAY 300 /* Seconds */
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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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#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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#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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#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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@ -76,21 +88,21 @@
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/* Table 1. alues for status field */
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enum icmpv6_status_e
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enum sixlowpan_status_e
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{
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ICMPV6_SUCCESS = 0, /* Success */
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ICMPV6_DUPLICATE = 1, /* Duplicate address */
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ICMPV6_FULL = 2, /* Neighbor cache full */
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ICMPV6_ALLOCATED = 3 /* 3-255: Allocated using standard action (RFC5226 */
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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 icmpv6_sllao_s
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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 icmpv6_status_e */
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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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@ -98,7 +110,7 @@ struct icmpv6_sllao_s
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/* 4.2 6loWPAN Context Option (6CO) */
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struct icmpv6_6co_s
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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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@ -109,12 +121,12 @@ struct icmpv6_6co_s
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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 ICMPV6_6CO_LEN(b) ((b > 64) ? 16 : 8)
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#define SIZEOF_ICMPV6_6CO_S(b) (sizeof(struct icmpv6_6co_s) + CMPV6_6CO_LEN(b) - 1)
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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 icmpv6_abro_s
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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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@ -126,12 +138,12 @@ struct icmpv6_abro_s
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/* 4.4 Duplicate Address Messages (DAD for both DAR and DAC) */
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struct icmpv6_dad_s
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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 icmpv6_status_e */
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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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