NDP (Neighbor Discovery Protocol) More...
#include "core/net.h"
Go to the source code of this file.
Data Structures | |
struct | NdpQueueItem |
NDP queue item. More... | |
struct | NdpNeighborCacheEntry |
Neighbor cache entry. More... | |
struct | NdpDestCacheEntry |
Destination cache entry. More... | |
struct | NdpContext |
NDP context. More... | |
Macros | |
#define | NDP_SUPPORT ENABLED |
#define | NDP_TICK_INTERVAL 200 |
#define | NDP_NEIGHBOR_CACHE_SIZE 8 |
#define | NDP_DEST_CACHE_SIZE 8 |
#define | NDP_MAX_PENDING_PACKETS 2 |
#define | NDP_MAX_RTR_ADVERT_INTERVAL 600000 |
#define | NDP_MAX_INITIAL_RTR_ADVERT_INTERVAL 16000 |
#define | NDP_MAX_INITIAL_RTR_ADVERTISEMENTS 3 |
#define | NDP_MAX_FINAL_RTR_ADVERTISEMENTS 3 |
#define | NDP_MIN_DELAY_BETWEEN_RAS 3000 |
#define | NDP_MAX_RA_DELAY_TIME 500 |
#define | NDP_MIN_RTR_SOLICITATION_DELAY 0 |
#define | NDP_MAX_RTR_SOLICITATION_DELAY 1000 |
#define | NDP_RTR_SOLICITATION_INTERVAL 4000 |
#define | NDP_MAX_RTR_SOLICITATIONS 3 |
#define | NDP_MAX_MULTICAST_SOLICIT 3 |
#define | NDP_MAX_UNICAST_SOLICIT 3 |
#define | NDP_DUP_ADDR_DETECT_TRANSMITS 1 |
#define | NDP_MAX_ANYCAST_DELAY_TIME 1000 |
#define | NDP_MAX_NEIGHBOR_ADVERTISEMENT 3 |
#define | NDP_REACHABLE_TIME 30000 |
#define | NDP_RETRANS_TIMER 1000 |
#define | NDP_DELAY_FIRST_PROBE_TIME 5000 |
#define | NDP_HOP_LIMIT 255 |
#define | NDP_INFINITE_LIFETIME 0xFFFFFFFF |
Typedefs | |
struct { | |
char_t type | |
uint32_t dataStart | |
uint32_t dataLength | |
uint8_t nameLength | |
char_t name [] | |
uint8_t tokenLen: 4 | |
uint8_t type: 2 | |
uint8_t version: 2 | |
uint8_t code | |
uint16_t mid | |
uint8_t token [] | |
union { | |
uint8_t b [6] | |
uint16_t w [3] | |
} | |
uint16_t srcPort | |
uint16_t destPort | |
uint32_t seqNum | |
uint32_t ackNum | |
uint8_t reserved1: 4 | |
uint8_t dataOffset: 4 | |
uint8_t flags: 6 | |
uint8_t reserved2: 2 | |
uint16_t window | |
uint16_t checksum | |
uint16_t urgentPointer | |
uint8_t options [] | |
uint16_t length | |
uint8_t data [] | |
uint8_t op | |
uint8_t htype | |
uint8_t hlen | |
uint8_t hops | |
uint32_t xid | |
uint16_t secs | |
uint16_t flags | |
Ipv4Addr ciaddr | |
Ipv4Addr yiaddr | |
Ipv4Addr siaddr | |
Ipv4Addr giaddr | |
MacAddr chaddr | |
uint8_t unused [10] | |
uint8_t sname [64] | |
uint8_t file [128] | |
uint32_t magicCookie | |
uint16_t type | |
uint16_t hardwareType | |
uint32_t time | |
MacAddr linkLayerAddr | |
uint16_t id | |
uint8_t rd: 1 | |
uint8_t tc: 1 | |
uint8_t aa: 1 | |
uint8_t opcode: 4 | |
uint8_t qr: 1 | |
uint8_t rcode: 4 | |
uint8_t z: 3 | |
uint8_t ra: 1 | |
uint16_t qdcount | |
uint16_t ancount | |
uint16_t nscount | |
uint16_t arcount | |
uint8_t questions [] | |
uint16_t controlWord | |
uint16_t byteCount | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint16_t bcdUsb | |
uint8_t bDeviceClass | |
uint8_t bDeviceSubClass | |
uint8_t bDeviceProtocol | |
uint8_t bMaxPacketSize0 | |
uint16_t idVendor | |
uint16_t idProduct | |
uint16_t bcdDevice | |
uint8_t iManufacturer | |
uint8_t iProduct | |
uint8_t iSerialNumber | |
uint8_t bNumConfigurations | |
uint8_t maxRespTime | |
Ipv4Addr groupAddr | |
uint16_t hrd | |
uint16_t pro | |
uint8_t hln | |
uint8_t pln | |
uint16_t op | |
MacAddr sha | |
Ipv4Addr spa | |
MacAddr tha | |
Ipv4Addr tpa | |
uint8_t length | |
uint8_t value [] | |
uint16_t first | |
uint16_t last | |
uint16_t next | |
union { | |
uint8_t b [16] | |
uint16_t w [8] | |
uint32_t dw [4] | |
} | |
uint16_t maxRespDelay | |
uint16_t reserved | |
Ipv6Addr multicastAddr | |
uint32_t reserved | |
uint16_t pvid | |
uint8_t autoNegSupportStatus | |
uint16_t pmdAutoNegAdvCap | |
uint16_t operationalMauType | |
uint16_t capabilities | |
uint8_t deviceType | |
uint8_t lengthH: 1 | |
uint8_t lengthL | |
uint8_t t: 1 | |
uint8_t c: 1 | |
union { | |
int32_t integer | |
uint8_t octetString [1] | |
uint8_t oid [1] | |
uint8_t ipAddr [4] | |
uint32_t counter32 | |
uint32_t gauge32 | |
uint32_t unsigned32 | |
uint32_t timeTicks | |
uint64_t counter64 | |
} | |
uint16_t transactionId | |
uint16_t protocolId | |
uint8_t unitId | |
uint8_t pdu [] | |
uint8_t retain: 1 | |
uint8_t qos: 2 | |
uint8_t dup: 1 | |
union { | |
uint8_t all | |
struct { | |
uint8_t topicIdType: 2 | |
uint8_t cleanSession: 1 | |
uint8_t will: 1 | |
uint8_t retain: 1 | |
uint8_t qos: 2 | |
uint8_t dup: 1 | |
} | |
} | |
uint8_t b: 1 | |
uint8_t identifier | |
uint8_t valueSize | |
Ipv4Addr srcIpAddr | |
Ipv4Addr destIpAddr | |
Eui64 interfaceId | |
uint16_t mru | |
uint8_t peerIdLength | |
uint8_t peerId [] | |
uint32_t seconds | |
uint32_t fraction | |
uint16_t opcode | |
char_t filename [] | |
uint8_t reserved: 3 | |
uint8_t fin: 1 | |
uint8_t payloadLen: 7 | |
uint8_t mask: 1 | |
uint8_t extPayloadLen [] | |
uint32_t length | |
uint8_t payload [] | |
uint8_t protocolVersionId | |
uint8_t bpduType | |
StpBridgeId rootId | |
uint32_t rootPathCost | |
StpBridgeId bridgeId | |
uint16_t portId | |
uint16_t messageAge | |
uint16_t maxAge | |
uint16_t helloTime | |
uint16_t forwardDelay | |
uint8_t version1Length | |
uint16_t priority | |
MacAddr addr | |
} | NdpRouterSolMessage |
Router Solicitation message. More... | |
struct { | |
char_t type | |
uint32_t dataStart | |
uint32_t dataLength | |
uint8_t nameLength | |
uint8_t length: 4 | |
uint8_t delta: 4 | |
union { | |
uint8_t b [8] | |
uint16_t w [4] | |
uint32_t dw [2] | |
} | |
uint8_t kind | |
uint8_t value [] | |
uint8_t code | |
uint16_t type | |
uint32_t enterpriseNumber | |
uint8_t identifier [] | |
uint16_t qtype | |
uint16_t qclass | |
uint16_t statusWord | |
uint16_t byteCount | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint16_t wTotalLength | |
uint8_t bNumInterfaces | |
uint8_t bConfigurationValue | |
uint8_t iConfiguration | |
uint8_t bmAttributes | |
uint8_t bMaxPower | |
uint8_t type | |
uint16_t checksum | |
uint8_t parameter | |
uint8_t unused [3] | |
uint8_t data [] | |
uint32_t parameter | |
uint8_t nextHeader | |
uint8_t hdrExtLen | |
uint8_t options [] | |
uint8_t curHopLimit | |
uint8_t reserved: 2 | |
uint8_t p: 1 | |
uint8_t prf: 2 | |
uint8_t h: 1 | |
uint8_t o: 1 | |
uint8_t m: 1 | |
uint16_t routerLifetime | |
uint32_t reachableTime | |
uint32_t retransTimer | |
uint8_t flags | |
uint16_t ppvid | |
uint8_t mdiPowerSupport | |
uint8_t psePowerPair | |
uint8_t powerClass | |
uint8_t appType | |
uint8_t vlanIdH: 5 | |
uint8_t x: 1 | |
uint8_t t: 1 | |
uint8_t u: 1 | |
uint8_t l2PriorityH: 1 | |
uint8_t vlanIdL: 7 | |
uint8_t dscpValue: 6 | |
uint8_t l2PriorityL: 2 | |
uint8_t chassisIdSubtype | |
uint8_t chassisId [] | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfCoils | |
uint16_t length | |
uint8_t msgType | |
uint16_t flags | |
Ipv4Addr addr | |
uint8_t valueSize | |
uint16_t protocol | |
uint32_t accm | |
uint8_t msgLength | |
uint8_t message [] | |
uint8_t mode: 3 | |
uint8_t vn: 3 | |
uint8_t li: 2 | |
uint8_t stratum | |
uint8_t poll | |
int8_t precision | |
uint32_t rootDelay | |
uint32_t rootDispersion | |
uint32_t referenceId | |
NtpTimestamp referenceTimestamp | |
NtpTimestamp originateTimestamp | |
NtpTimestamp receiveTimestamp | |
NtpTimestamp transmitTimestamp | |
uint16_t opcode | |
char_t filename [] | |
uint16_t value [] | |
uint16_t group | |
uint8_t keyExchange [] | |
uint32_t id | |
uint32_t dataLen | |
} | NdpRouterAdvMessage |
Router Advertisement message. More... | |
struct { | |
uint32_t totalSize | |
ResRootEntry rootEntry | |
MacAddr destAddr | |
MacAddr srcAddr | |
uint16_t type | |
uint8_t data [] | |
uint16_t hardwareType | |
MacAddr linkLayerAddr | |
uint16_t rtype | |
uint16_t rclass | |
uint32_t ttl | |
uint16_t rdlength | |
uint8_t rdata [] | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint8_t bInterfaceNumber | |
uint8_t bAlternateSetting | |
uint8_t bNumEndpoints | |
uint8_t bInterfaceClass | |
uint8_t bInterfaceSubClass | |
uint8_t bInterfaceProtocol | |
uint8_t iInterface | |
uint8_t type | |
uint8_t code | |
uint16_t checksum | |
uint32_t unused | |
uint8_t nextHeader | |
uint8_t hdrExtLen | |
uint8_t options [] | |
uint32_t reserved | |
Ipv6Addr targetAddr | |
uint16_t vlanId | |
uint8_t vlanNameLen | |
char_t vlanName [] | |
uint8_t aggregationStatus | |
uint32_t aggregatedPortId | |
uint8_t locationDataFormat | |
uint8_t locationId [] | |
uint8_t portIdSubtype | |
uint8_t portId [] | |
uint8_t functionCode | |
uint8_t byteCount | |
uint8_t coilStatus [] | |
uint8_t prefix | |
uint16_t length | |
uint8_t msgType | |
uint8_t identifier | |
uint8_t message [] | |
uint8_t length | |
Ipv4Addr ipAddr | |
uint16_t protocol | |
uint8_t msgLength | |
uint8_t rejectedPacket [] | |
uint32_t keyId | |
uint8_t messageDigest [16] | |
uint16_t opcode | |
uint16_t block | |
uint16_t value [] | |
uint8_t value [] | |
} | NdpNeighborSolMessage |
Neighbor Solicitation message. More... | |
struct { | |
uint8_t dsap | |
uint8_t ssap | |
uint8_t control | |
uint8_t msgType | |
uint8_t transactionId [3] | |
uint8_t options [] | |
uint16_t rtype | |
uint16_t rclass | |
uint32_t ttl | |
uint16_t rdlength | |
uint8_t rdata [4] | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint8_t bEndpointAddress | |
uint8_t bmAttributes | |
uint16_t wMaxPacketSize | |
uint8_t bInterval | |
uint8_t type | |
uint8_t code | |
uint16_t checksum | |
uint32_t unused | |
uint8_t data [] | |
uint32_t mtu | |
uint8_t nextHeader | |
uint8_t hdrExtLen | |
uint8_t routingType | |
uint8_t segmentsLeft | |
uint32_t reserved | |
Ipv6Addr address [] | |
uint8_t reserved1: 5 | |
uint8_t o: 1 | |
uint8_t s: 1 | |
uint8_t r: 1 | |
uint8_t reserved2 [3] | |
Ipv6Addr targetAddr | |
uint8_t protocolIdLen | |
uint8_t protocolId [] | |
uint16_t maxFrameSize | |
uint8_t powerPriority: 4 | |
uint8_t powerSource: 2 | |
uint8_t powerType: 2 | |
uint16_t powerValue | |
uint16_t ttl | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfInputs | |
uint8_t gwId | |
uint16_t duration | |
uint8_t identifier | |
uint16_t length | |
uint8_t message [] | |
uint8_t length | |
Ipv4Addr ipAddr | |
uint16_t protocol | |
uint16_t rejectedProtocol | |
uint8_t rejectedInfo [] | |
uint16_t opcode | |
uint16_t block | |
uint16_t version | |
uint16_t epoch | |
DtlsSequenceNumber seqNum | |
uint8_t hash | |
uint8_t signature | |
uint8_t value [] | |
} | NdpNeighborAdvMessage |
Neighbor Advertisement message. More... | |
struct { | |
uint16_t tci | |
uint16_t type | |
uint8_t msgType | |
uint8_t hopCount | |
Ipv6Addr linkAddress | |
Ipv6Addr peerAddress | |
uint8_t options [] | |
uint16_t rtype | |
uint16_t rclass | |
uint32_t ttl | |
uint16_t rdlength | |
uint8_t rdata [16] | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint16_t bString [] | |
uint8_t type | |
uint8_t code | |
uint16_t checksum | |
uint8_t pointer | |
uint8_t unused [3] | |
uint8_t data [] | |
uint32_t unused | |
uint8_t nextHeader | |
uint8_t payloadLen | |
uint16_t reserved | |
uint32_t securityParamIndex | |
uint32_t sequenceNumber | |
uint8_t authData [] | |
uint32_t reserved | |
Ipv6Addr targetAddr | |
Ipv6Addr destAddr | |
uint8_t measurements [20] | |
uint16_t psePowerPriceIndex | |
uint16_t supportedCap | |
uint16_t enabledCap | |
uint8_t functionCode | |
uint8_t byteCount | |
uint8_t inputStatus [] | |
uint8_t radius | |
uint8_t length | |
Ipv4Addr ipAddr | |
uint32_t magicNumber | |
uint8_t identifier | |
uint16_t length | |
uint16_t opcode | |
uint16_t errorCode | |
char_t errorMsg [] | |
uint16_t msgSeq | |
uint8_t fragOffset [3] | |
uint8_t fragLength [3] | |
TlsSignHashAlgo value [] | |
uint8_t value [] | |
} | NdpRedirectMessage |
Redirect message. More... | |
struct { | |
uint16_t code | |
uint16_t length | |
uint8_t value [] | |
uint16_t rtype | |
uint16_t rclass | |
uint32_t ttl | |
uint16_t rdlength | |
uint16_t priority | |
uint16_t weight | |
uint16_t port | |
uint8_t target [] | |
uint8_t bFunctionLength | |
uint8_t bDescriptorType | |
uint8_t bDescriptorSubtype | |
uint16_t bcdCdc | |
uint8_t type | |
uint8_t code | |
uint16_t checksum | |
uint16_t identifier | |
uint16_t sequenceNumber | |
uint8_t data [] | |
uint32_t pointer | |
uint32_t securityParamIndex | |
uint32_t sequenceNumber | |
uint8_t payloadData [] | |
uint8_t length | |
uint8_t powerPriority: 2 | |
uint8_t pd4pid: 1 | |
uint8_t reserved: 1 | |
uint8_t powerSource: 2 | |
uint8_t powerType: 2 | |
uint16_t pdRequestedPower | |
uint16_t pseAllocatedPower | |
uint8_t mgmtAddrLen | |
uint8_t mgmtAddrSubtype | |
uint8_t mgmtAddr [] | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfRegs | |
uint8_t gwId | |
uint8_t gwAdd [] | |
Ipv4Addr ipAddr | |
uint8_t identifier | |
uint32_t magicNumber | |
uint16_t serverVersion | |
uint8_t cookieLength | |
uint8_t cookie [] | |
} | NdpOption |
Neighbor Discovery option general format. More... | |
struct { | |
uint32_t iaId | |
uint32_t t1 | |
uint32_t t2 | |
uint8_t options [] | |
uint8_t bFunctionLength | |
uint8_t bDescriptorType | |
uint8_t bDescriptorSubtype | |
uint8_t bmCapabilities | |
uint8_t bDataInterface | |
uint8_t type | |
uint8_t code | |
uint16_t checksum | |
uint16_t identifier | |
uint16_t sequenceNumber | |
uint8_t data [] | |
uint8_t length | |
MacAddr linkLayerAddr | |
uint16_t pdRequestedPowerA | |
uint16_t pdRequestedPowerB | |
uint16_t pseAllocatedPowerA | |
uint16_t pseAllocatedPowerB | |
uint16_t powerStatus | |
uint8_t systemSetup | |
uint16_t pseMaxAvailablePower | |
uint8_t autoclass | |
uint8_t powerDown [3] | |
uint8_t ifNumSubtype | |
uint32_t ifNum | |
uint8_t oidLen | |
uint8_t oid [] | |
uint8_t functionCode | |
uint8_t byteCount | |
uint16_t regValue [] | |
MqttSnFlags flags | |
uint8_t protocolId | |
uint16_t duration | |
char_t clientId [] | |
Ipv4Addr ipAddr | |
uint16_t length | |
uint8_t value [] | |
} | NdpLinkLayerAddrOption |
Source/Target Link-Layer Address option. More... | |
struct { | |
uint32_t iaId | |
uint8_t options [] | |
uint8_t bFunctionLength | |
uint8_t bDescriptorType | |
uint8_t bDescriptorSubtype | |
uint8_t bmCapabilities | |
uint8_t type | |
uint8_t length | |
uint8_t prefixLength | |
uint8_t reserved1: 5 | |
uint8_t r: 1 | |
uint8_t a: 1 | |
uint8_t l: 1 | |
uint32_t validLifetime | |
uint32_t preferredLifetime | |
uint32_t reserved2 | |
Ipv6Addr prefix | |
uint8_t oui [LLDP_OUI_SIZE] | |
uint8_t subtype | |
uint8_t value [] | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfRegs | |
uint8_t returnCode | |
uint16_t type | |
uint16_t length | |
} | NdpPrefixInfoOption |
Prefix Information option (PIO) More... | |
struct { | |
Ipv6Addr address | |
uint32_t preferredLifetime | |
uint32_t validLifetime | |
uint8_t options [] | |
uint8_t bFunctionLength | |
uint8_t bDescriptorType | |
uint8_t bDescriptorSubtype | |
uint8_t bMasterInterface | |
uint8_t bSlaveInterface0 | |
uint8_t type | |
uint8_t length | |
uint16_t reserved1 | |
uint32_t reserved2 | |
uint8_t ipPacket [] | |
uint8_t functionCode | |
uint8_t byteCount | |
uint16_t regValue [] | |
MqttSnFlags flags | |
char_t willTopic [] | |
uint16_t length | |
uint8_t value [] | |
} | NdpRedirectedHeaderOption |
Redirected Header option (RHO) More... | |
struct { | |
uint16_t requestedOption [1] | |
UsbConfigDescriptor configDescriptor | |
UsbInterfaceDescriptor communicationInterfaceDescriptor | |
CdcHeaderDescriptor cdcHeaderDescriptor | |
CdcCallManagementDescriptor cdcCallManagementDescriptor | |
CdcAcmDescriptor cdcAcmDescriptor | |
CdcUnionDescriptor cdcUnionDescriptor | |
UsbEndpointDescriptor notificationEndpointDescriptor | |
UsbInterfaceDescriptor dataInterfaceDescriptor | |
UsbEndpointDescriptor dataOutEndpointDescriptor | |
UsbEndpointDescriptor dataInEndpointDescriptor | |
uint8_t type | |
uint8_t length | |
uint16_t reserved | |
uint32_t mtu | |
uint8_t functionCode | |
uint16_t outputAddr | |
uint16_t outputValue | |
uint16_t topicId | |
uint16_t msgId | |
char_t topicName [] | |
uint16_t value [] | |
uint16_t algorithm | |
uint16_t length | |
uint8_t value [] | |
} | NdpMtuOption |
MTU option. More... | |
struct { | |
uint8_t value | |
uint8_t type | |
uint8_t length | |
uint8_t prefixLength | |
uint8_t reserved2: 3 | |
uint8_t prf: 2 | |
uint8_t reserved1: 3 | |
uint32_t routeLifetime | |
Ipv6Addr prefix | |
uint8_t functionCode | |
uint16_t outputAddr | |
uint16_t outputValue | |
uint16_t topicId | |
uint16_t msgId | |
uint8_t returnCode | |
uint16_t length | |
char_t hostname [] | |
uint16_t serverVersion | |
uint8_t random [32] | |
uint8_t sessionIdLen | |
uint8_t sessionId [] | |
} | NdpRouteInfoOption |
Route Information option (RIO) More... | |
struct { | |
uint16_t value | |
uint8_t type | |
uint8_t length | |
uint16_t reserved | |
uint32_t lifetime | |
Ipv6Addr address [] | |
uint8_t functionCode | |
uint16_t regAddr | |
uint16_t regValue | |
MqttSnFlags flags | |
uint16_t topicId | |
uint16_t msgId | |
uint8_t data [] | |
uint16_t length | |
uint8_t value [] | |
uint16_t extensionsLen | |
uint8_t extensions [] | |
} | NdpRdnssOption |
Recursive DNS Server option (RDNSS) More... | |
struct { | |
uint8_t protocol | |
uint8_t algorithm | |
uint8_t rdm | |
uint8_t replayDetection [8] | |
uint8_t authInfo [] | |
uint8_t type | |
uint8_t length | |
uint16_t reserved | |
uint32_t lifetime | |
uint8_t domainNames [] | |
uint8_t functionCode | |
uint16_t regAddr | |
uint16_t regValue | |
uint16_t topicId | |
uint16_t msgId | |
uint8_t returnCode | |
char_t value [] | |
uint32_t ticketLifetime | |
uint32_t ticketAgeAdd | |
uint8_t ticketNonceLen | |
uint8_t ticketNonce [] | |
} | NdpDnsslOption |
DNS Search List option (DNSSL) More... | |
struct { | |
Ipv6Addr serverAddr | |
uint8_t type | |
uint8_t length | |
uint8_t contextLength | |
uint8_t cid: 4 | |
uint8_t c: 1 | |
uint8_t reserved1: 3 | |
uint16_t reserved2 | |
uint16_t validLifetime | |
Ipv6Addr contextPrefix | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfOutputs | |
uint8_t byteCount | |
uint8_t outputValue [] | |
uint16_t msgId | |
uint16_t length | |
uint8_t value [] | |
uint8_t requestUpdate | |
} | NdpContextOption |
6LoWPAN Context option (6CO) More... | |
Enumerations | |
enum | NdpOptionType { NDP_OPT_SOURCE_LINK_LAYER_ADDR = 1, NDP_OPT_TARGET_LINK_LAYER_ADDR = 2, NDP_OPT_PREFIX_INFORMATION = 3, NDP_OPT_REDIRECTED_HEADER = 4, NDP_OPT_MTU = 5, NDP_OPT_ROUTE_INFORMATION = 24, NDP_OPT_RECURSIVE_DNS_SERVER = 25, NDP_OPT_DNS_SEARCH_LIST = 31, NDP_OPT_6LOWPAN_CONTEXT = 34, NDP_OPT_CAPTIVE_PORTAL = 37, NDP_OPT_ANY = 255 } |
Neighbor Discovery options. More... | |
enum | NdpRouterSelPreference { NDP_ROUTER_SEL_PREFERENCE_MEDIUM = 0, NDP_ROUTER_SEL_PREFERENCE_HIGH = 1, NDP_ROUTER_SEL_PREFERENCE_RESERVED = 2, NDP_ROUTER_SEL_PREFERENCE_LOW = 3 } |
Router selection preferences. More... | |
enum | NdpState { NDP_STATE_NONE = 0, NDP_STATE_INCOMPLETE = 1, NDP_STATE_REACHABLE = 2, NDP_STATE_STALE = 3, NDP_STATE_DELAY = 4, NDP_STATE_PROBE = 5, NDP_STATE_PERMANENT = 6 } |
Neighbor cache entry states. More... | |
Functions | |
error_t | ndpInit (NetInterface *interface) |
Neighbor cache initialization. More... | |
error_t | ndpAddStaticEntry (NetInterface *interface, const Ipv6Addr *ipAddr, const MacAddr *macAddr) |
Add a static entry in the Neighbor cache. More... | |
error_t | ndpRemoveStaticEntry (NetInterface *interface, const Ipv6Addr *ipAddr) |
Remove a static entry from the Neighbor cache. More... | |
error_t | ndpResolve (NetInterface *interface, const Ipv6Addr *ipAddr, MacAddr *macAddr) |
Address resolution using Neighbor Discovery protocol. More... | |
error_t | ndpEnqueuePacket (NetInterface *srcInterface, NetInterface *destInterface, const Ipv6Addr *ipAddr, NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary) |
Enqueue an IPv6 packet waiting for address resolution. More... | |
void | ndpTick (NetInterface *interface) |
NDP timer handler. More... | |
void | ndpLinkChangeEvent (NetInterface *interface) |
Callback function for link change event. More... | |
void | ndpProcessRouterAdv (NetInterface *interface, Ipv6PseudoHeader *pseudoHeader, const NetBuffer *buffer, size_t offset, uint8_t hopLimit) |
Router Advertisement message processing. More... | |
void | ndpProcessNeighborSol (NetInterface *interface, Ipv6PseudoHeader *pseudoHeader, const NetBuffer *buffer, size_t offset, uint8_t hopLimit) |
Neighbor Solicitation message processing. More... | |
void | ndpProcessNeighborAdv (NetInterface *interface, Ipv6PseudoHeader *pseudoHeader, const NetBuffer *buffer, size_t offset, uint8_t hopLimit) |
Neighbor Advertisement message processing. More... | |
void | ndpProcessRedirect (NetInterface *interface, Ipv6PseudoHeader *pseudoHeader, const NetBuffer *buffer, size_t offset, uint8_t hopLimit) |
Redirect message processing. More... | |
error_t | ndpSendRouterSol (NetInterface *interface) |
Send a Router Solicitation message. More... | |
error_t | ndpSendNeighborSol (NetInterface *interface, const Ipv6Addr *targetIpAddr, bool_t multicast) |
Send a Neighbor Solicitation message. More... | |
error_t | ndpSendNeighborAdv (NetInterface *interface, const Ipv6Addr *targetIpAddr, const Ipv6Addr *destIpAddr) |
Send a Neighbor Advertisement message. More... | |
error_t | ndpSendRedirect (NetInterface *interface, const Ipv6Addr *targetAddr, const NetBuffer *ipPacket, size_t ipPacketOffset) |
Send a Redirect message. More... | |
void | ndpDumpRouterSolMessage (const NdpRouterSolMessage *message) |
Dump Router Solicitation message for debugging purpose. More... | |
void | ndpDumpRouterAdvMessage (const NdpRouterAdvMessage *message) |
Dump Router Advertisement message for debugging purpose. More... | |
void | ndpDumpNeighborSolMessage (const NdpNeighborSolMessage *message) |
Dump Neighbor Solicitation message for debugging purpose. More... | |
void | ndpDumpNeighborAdvMessage (const NdpNeighborAdvMessage *message) |
Dump Neighbor Advertisement message for debugging purpose. More... | |
void | ndpDumpRedirectMessage (const NdpRedirectMessage *message) |
Dump Redirect message for debugging purpose. More... | |
Variables | |
systime_t | ndpTickCounter |
Detailed Description
NDP (Neighbor Discovery Protocol)
License
SPDX-License-Identifier: GPL-2.0-or-later
Copyright (C) 2010-2023 Oryx Embedded SARL. All rights reserved.
This file is part of CycloneTCP Open.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- Version
- 2.2.4
Definition in file ndp.h.
Macro Definition Documentation
◆ NDP_DELAY_FIRST_PROBE_TIME
◆ NDP_DEST_CACHE_SIZE
◆ NDP_DUP_ADDR_DETECT_TRANSMITS
◆ NDP_HOP_LIMIT
◆ NDP_INFINITE_LIFETIME
◆ NDP_MAX_ANYCAST_DELAY_TIME
◆ NDP_MAX_FINAL_RTR_ADVERTISEMENTS
◆ NDP_MAX_INITIAL_RTR_ADVERT_INTERVAL
◆ NDP_MAX_INITIAL_RTR_ADVERTISEMENTS
◆ NDP_MAX_MULTICAST_SOLICIT
◆ NDP_MAX_NEIGHBOR_ADVERTISEMENT
◆ NDP_MAX_PENDING_PACKETS
◆ NDP_MAX_RA_DELAY_TIME
◆ NDP_MAX_RTR_ADVERT_INTERVAL
◆ NDP_MAX_RTR_SOLICITATION_DELAY
◆ NDP_MAX_RTR_SOLICITATIONS
◆ NDP_MAX_UNICAST_SOLICIT
◆ NDP_MIN_DELAY_BETWEEN_RAS
◆ NDP_MIN_RTR_SOLICITATION_DELAY
◆ NDP_NEIGHBOR_CACHE_SIZE
◆ NDP_REACHABLE_TIME
◆ NDP_RETRANS_TIMER
◆ NDP_RTR_SOLICITATION_INTERVAL
◆ NDP_SUPPORT
◆ NDP_TICK_INTERVAL
Typedef Documentation
◆ NdpContextOption
typedef { ... } NdpContextOption |
6LoWPAN Context option (6CO)
◆ NdpDnsslOption
typedef { ... } NdpDnsslOption |
DNS Search List option (DNSSL)
◆ NdpLinkLayerAddrOption
typedef { ... } NdpLinkLayerAddrOption |
Source/Target Link-Layer Address option.
◆ NdpMtuOption
typedef { ... } NdpMtuOption |
MTU option.
◆ NdpNeighborAdvMessage
typedef { ... } NdpNeighborAdvMessage |
Neighbor Advertisement message.
◆ NdpNeighborSolMessage
typedef { ... } NdpNeighborSolMessage |
Neighbor Solicitation message.
◆ NdpOption
typedef { ... } NdpOption |
Neighbor Discovery option general format.
◆ NdpPrefixInfoOption
typedef { ... } NdpPrefixInfoOption |
Prefix Information option (PIO)
◆ NdpRdnssOption
typedef { ... } NdpRdnssOption |
Recursive DNS Server option (RDNSS)
◆ NdpRedirectedHeaderOption
typedef { ... } NdpRedirectedHeaderOption |
Redirected Header option (RHO)
◆ NdpRedirectMessage
typedef { ... } NdpRedirectMessage |
Redirect message.
◆ NdpRouteInfoOption
typedef { ... } NdpRouteInfoOption |
Route Information option (RIO)
◆ NdpRouterAdvMessage
typedef { ... } NdpRouterAdvMessage |
Router Advertisement message.
◆ NdpRouterSolMessage
typedef { ... } NdpRouterSolMessage |
Router Solicitation message.
Enumeration Type Documentation
◆ NdpOptionType
enum NdpOptionType |
Neighbor Discovery options.
◆ NdpRouterSelPreference
◆ NdpState
enum NdpState |
Function Documentation
◆ ndpAddStaticEntry()
error_t ndpAddStaticEntry | ( | NetInterface * | interface, |
const Ipv6Addr * | ipAddr, | ||
const MacAddr * | macAddr | ||
) |
◆ ndpDumpNeighborAdvMessage()
void ndpDumpNeighborAdvMessage | ( | const NdpNeighborAdvMessage * | message | ) |
◆ ndpDumpNeighborSolMessage()
void ndpDumpNeighborSolMessage | ( | const NdpNeighborSolMessage * | message | ) |
◆ ndpDumpRedirectMessage()
void ndpDumpRedirectMessage | ( | const NdpRedirectMessage * | message | ) |
◆ ndpDumpRouterAdvMessage()
void ndpDumpRouterAdvMessage | ( | const NdpRouterAdvMessage * | message | ) |
◆ ndpDumpRouterSolMessage()
void ndpDumpRouterSolMessage | ( | const NdpRouterSolMessage * | message | ) |
◆ ndpEnqueuePacket()
error_t ndpEnqueuePacket | ( | NetInterface * | srcInterface, |
NetInterface * | destInterface, | ||
const Ipv6Addr * | ipAddr, | ||
NetBuffer * | buffer, | ||
size_t | offset, | ||
NetTxAncillary * | ancillary | ||
) |
Enqueue an IPv6 packet waiting for address resolution.
- Parameters
-
[in] srcInterface Interface from which the packet has been received [in] destInterface Interface on which the packet should be sent [in] ipAddr IPv6 address of the destination host [in] buffer Multi-part buffer containing the packet to be enqueued [in] offset Offset to the first byte of the packet [in] ancillary Additional options passed to the stack along with the packet
- Returns
- Error code
◆ ndpInit()
error_t ndpInit | ( | NetInterface * | interface | ) |
◆ ndpLinkChangeEvent()
void ndpLinkChangeEvent | ( | NetInterface * | interface | ) |
◆ ndpProcessNeighborAdv()
void ndpProcessNeighborAdv | ( | NetInterface * | interface, |
Ipv6PseudoHeader * | pseudoHeader, | ||
const NetBuffer * | buffer, | ||
size_t | offset, | ||
uint8_t | hopLimit | ||
) |
Neighbor Advertisement message processing.
- Parameters
-
[in] interface Underlying network interface [in] pseudoHeader IPv6 pseudo header [in] buffer Multi-part buffer containing the Neighbor Advertisement message [in] offset Offset to the first byte of the message [in] hopLimit Hop Limit field from IPv6 header
◆ ndpProcessNeighborSol()
void ndpProcessNeighborSol | ( | NetInterface * | interface, |
Ipv6PseudoHeader * | pseudoHeader, | ||
const NetBuffer * | buffer, | ||
size_t | offset, | ||
uint8_t | hopLimit | ||
) |
Neighbor Solicitation message processing.
- Parameters
-
[in] interface Underlying network interface [in] pseudoHeader IPv6 pseudo header [in] buffer Multi-part buffer containing the Neighbor Solicitation message [in] offset Offset to the first byte of the message [in] hopLimit Hop Limit field from IPv6 header
◆ ndpProcessRedirect()
void ndpProcessRedirect | ( | NetInterface * | interface, |
Ipv6PseudoHeader * | pseudoHeader, | ||
const NetBuffer * | buffer, | ||
size_t | offset, | ||
uint8_t | hopLimit | ||
) |
Redirect message processing.
- Parameters
-
[in] interface Underlying network interface [in] pseudoHeader IPv6 pseudo header [in] buffer Multi-part buffer containing the Redirect message [in] offset Offset to the first byte of the message [in] hopLimit Hop Limit field from IPv6 header
◆ ndpProcessRouterAdv()
void ndpProcessRouterAdv | ( | NetInterface * | interface, |
Ipv6PseudoHeader * | pseudoHeader, | ||
const NetBuffer * | buffer, | ||
size_t | offset, | ||
uint8_t | hopLimit | ||
) |
Router Advertisement message processing.
- Parameters
-
[in] interface Underlying network interface [in] pseudoHeader IPv6 pseudo header [in] buffer Multi-part buffer containing the Router Advertisement message [in] offset Offset to the first byte of the message [in] hopLimit Hop Limit field from IPv6 header
◆ ndpRemoveStaticEntry()
error_t ndpRemoveStaticEntry | ( | NetInterface * | interface, |
const Ipv6Addr * | ipAddr | ||
) |
◆ ndpResolve()
error_t ndpResolve | ( | NetInterface * | interface, |
const Ipv6Addr * | ipAddr, | ||
MacAddr * | macAddr | ||
) |
◆ ndpSendNeighborAdv()
error_t ndpSendNeighborAdv | ( | NetInterface * | interface, |
const Ipv6Addr * | targetIpAddr, | ||
const Ipv6Addr * | destIpAddr | ||
) |
◆ ndpSendNeighborSol()
error_t ndpSendNeighborSol | ( | NetInterface * | interface, |
const Ipv6Addr * | targetIpAddr, | ||
bool_t | multicast | ||
) |
◆ ndpSendRedirect()
error_t ndpSendRedirect | ( | NetInterface * | interface, |
const Ipv6Addr * | targetAddr, | ||
const NetBuffer * | ipPacket, | ||
size_t | ipPacketOffset | ||
) |
Send a Redirect message.
- Parameters
-
[in] interface Underlying network interface [in] targetAddr IPv6 address that is a better first hop to use for the destination address [in] ipPacket Multi-part buffer that holds the IPv6 packet that triggered the sending of the Redirect [in] ipPacketOffset Offset to the first byte of the IPv6 packet
- Returns
- Error code
◆ ndpSendRouterSol()
error_t ndpSendRouterSol | ( | NetInterface * | interface | ) |
◆ ndpTick()
void ndpTick | ( | NetInterface * | interface | ) |