GO-2024-3044: lorawan-stack Open Redirect vulnerability in go.thethings.network/lorawan-stack

lorawan

package

v3.10.3 Latest Latest Go to latest Published: Dec 2, 2020 License: Apache-2.0 Imports: 11 Imported by: 1

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Repository

github.com/TheThingsNetwork/lorawan-stack

Links

Open Source Insights

Documentation ¶

Overview ¶

Package lorawan provides LoRaWAN decoding/encoding interfaces.

Index ¶

Variables
func ADRAckDelayExponentToUint32(v ttnpb.ADRAckDelayExponent) uint32
func ADRAckLimitExponentToUint32(v ttnpb.ADRAckLimitExponent) uint32
func AppendCFList(dst []byte, msg ttnpb.CFList) ([]byte, error)
func AppendDLSettings(dst []byte, msg ttnpb.DLSettings) ([]byte, error)
func AppendFCtrl(dst []byte, msg ttnpb.FCtrl, isUplink bool, fOptsLen uint8) ([]byte, error)
func AppendFHDR(dst []byte, msg ttnpb.FHDR, isUplink bool) ([]byte, error)
func AppendJoinAcceptPayload(dst []byte, msg ttnpb.JoinAcceptPayload) ([]byte, error)
func AppendJoinRequestPayload(dst []byte, msg ttnpb.JoinRequestPayload) ([]byte, error)
func AppendMACPayload(dst []byte, msg ttnpb.MACPayload, isUplink bool) ([]byte, error)
func AppendMHDR(dst []byte, msg ttnpb.MHDR) ([]byte, error)
func AppendMessage(dst []byte, msg ttnpb.Message) ([]byte, error)
func AppendRejoinRequestPayload(dst []byte, msg ttnpb.RejoinRequestPayload) ([]byte, error)
func DeviceEIRPToFloat32(v ttnpb.DeviceEIRP) float32
func Float32ToDeviceEIRP(v float32) ttnpb.DeviceEIRP
func GetUplinkMessageIdentifiers(phyPayload []byte) (ttnpb.EndDeviceIdentifiers, error)
func MarshalCFList(msg ttnpb.CFList) ([]byte, error)
func MarshalDLSettings(msg ttnpb.DLSettings) ([]byte, error)
func MarshalJoinAcceptPayload(msg ttnpb.JoinAcceptPayload) ([]byte, error)
func MarshalJoinRequestPayload(msg ttnpb.JoinRequestPayload) ([]byte, error)
func MarshalMACPayload(msg ttnpb.MACPayload, isUplink bool) ([]byte, error)
func MarshalMHDR(msg ttnpb.MHDR) ([]byte, error)
func MarshalMessage(msg ttnpb.Message) ([]byte, error)
func MarshalRejoinRequestPayload(msg ttnpb.RejoinRequestPayload) ([]byte, error)
func Uint32ToADRAckDelayExponent(v uint32) ttnpb.ADRAckDelayExponent
func Uint32ToADRAckLimitExponent(v uint32) ttnpb.ADRAckLimitExponent
func UnmarshalCFList(b []byte, msg *ttnpb.CFList) error
func UnmarshalDLSettings(b []byte, msg *ttnpb.DLSettings) error
func UnmarshalFCtrl(b []byte, msg *ttnpb.FCtrl, isUplink bool) error
func UnmarshalFHDR(b []byte, msg *ttnpb.FHDR, isUplink bool) error
func UnmarshalJoinAcceptPayload(b []byte, msg *ttnpb.JoinAcceptPayload) error
func UnmarshalJoinRequestPayload(b []byte, msg *ttnpb.JoinRequestPayload) error
func UnmarshalMACPayload(b []byte, msg *ttnpb.MACPayload, isUplink bool) error
func UnmarshalMHDR(b []byte, msg *ttnpb.MHDR) error
func UnmarshalMessage(b []byte, msg *ttnpb.Message) error
func UnmarshalRejoinRequestPayload(b []byte, msg *ttnpb.RejoinRequestPayload) error
type MACCommandDescriptor
type MACCommandSpec
- func (spec MACCommandSpec) AppendDownlink(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error)
- func (spec MACCommandSpec) AppendUplink(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error)
- func (spec MACCommandSpec) ReadDownlink(phy band.Band, r io.Reader, cmd *ttnpb.MACCommand) error
- func (spec MACCommandSpec) ReadUplink(phy band.Band, r io.Reader, cmd *ttnpb.MACCommand) error

Constants ¶

This section is empty.

Variables ¶

View Source

var DefaultMACCommands = MACCommandSpec{
	ttnpb.CID_RESET: &MACCommandDescriptor{
		InitiatedByDevice: true,

		UplinkLength: 1,
		AppendUplink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetResetInd()
			if pld.MinorVersion > 15 {
				return nil, errExpectedLowerOrEqual("MinorVersion", 15)(pld.MinorVersion)
			}
			b = append(b, byte(pld.MinorVersion))
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_RESET, "ResetInd", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_ResetInd_{
				ResetInd: &ttnpb.MACCommand_ResetInd{
					MinorVersion: ttnpb.Minor(b[0] & 0xf),
				},
			}
			return nil
		}),

		DownlinkLength: 1,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetResetConf()
			if pld.MinorVersion > 15 {
				return nil, errExpectedLowerOrEqual("MinorVersion", 15)(pld.MinorVersion)
			}
			b = append(b, byte(pld.MinorVersion))
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_RESET, "ResetConf", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_ResetConf_{
				ResetConf: &ttnpb.MACCommand_ResetConf{
					MinorVersion: ttnpb.Minor(b[0] & 0xf),
				},
			}
			return nil
		}),
	},

	ttnpb.CID_LINK_CHECK: &MACCommandDescriptor{
		InitiatedByDevice: true,

		AppendUplink: func(phy band.Band, b []byte, _ ttnpb.MACCommand) ([]byte, error) {
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_LINK_CHECK, "LinkCheckReq", 0, nil),

		DownlinkLength: 2,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetLinkCheckAns()
			if pld.Margin > 254 {
				return nil, errExpectedLowerOrEqual("Margin", 254)(pld.Margin)
			}
			if pld.GatewayCount > 255 {
				return nil, errExpectedLowerOrEqual("GatewayCount", 255)(pld.GatewayCount)
			}
			b = append(b, byte(pld.Margin), byte(pld.GatewayCount))
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_LINK_CHECK, "LinkCheckAns", 2, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_LinkCheckAns_{
				LinkCheckAns: &ttnpb.MACCommand_LinkCheckAns{
					Margin:       uint32(b[0]),
					GatewayCount: uint32(b[1]),
				},
			}
			return nil
		}),
	},

	ttnpb.CID_LINK_ADR: &MACCommandDescriptor{
		InitiatedByDevice: false,

		UplinkLength: 1,
		AppendUplink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetLinkADRAns()
			var status byte
			if pld.ChannelMaskAck {
				status |= 1
			}
			if pld.DataRateIndexAck {
				status |= (1 << 1)
			}
			if pld.TxPowerIndexAck {
				status |= (1 << 2)
			}
			b = append(b, status)
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_LINK_ADR, "LinkADRAns", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_LinkADRAns_{
				LinkADRAns: &ttnpb.MACCommand_LinkADRAns{
					ChannelMaskAck:   b[0]&1 == 1,
					DataRateIndexAck: (b[0]>>1)&1 == 1,
					TxPowerIndexAck:  (b[0]>>2)&1 == 1,
				},
			}
			return nil
		}),

		DownlinkLength: 4,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetLinkADRReq()
			if pld.DataRateIndex > 15 {
				return nil, errExpectedLowerOrEqual("DataRateIndex", 15)(pld.DataRateIndex)
			}
			if pld.TxPowerIndex > 15 {
				return nil, errExpectedLowerOrEqual("TxPowerIndex", 15)(pld.TxPowerIndex)
			}
			if len(pld.ChannelMask) > 16 {
				return nil, errExpectedLowerOrEqual("length of ChannelMask", "16 bits")(len(pld.ChannelMask))
			}
			if pld.ChannelMaskControl > 7 {
				return nil, errExpectedLowerOrEqual("ChannelMaskControl", 7)(pld.ChannelMaskControl)
			}
			if pld.NbTrans > 15 {
				return nil, errExpectedLowerOrEqual("NbTrans", 15)(pld.NbTrans)
			}
			b = append(b, byte((pld.DataRateIndex&0xf)<<4)^byte(pld.TxPowerIndex&0xf))
			chMask := make([]byte, 2)
			for i, v := range pld.ChannelMask {
				chMask[i/8] = chMask[i/8] ^ boolToByte(v)<<(i%8)
			}
			b = append(b, chMask...)
			b = append(b, byte((pld.ChannelMaskControl&0x7)<<4)^byte(pld.NbTrans&0xf))
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_LINK_ADR, "LinkADRReq", 4, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			var chMask [16]bool
			for i := 0; i < 16; i++ {
				chMask[i] = (b[1+i/8]>>(i%8))&1 == 1
			}
			cmd.Payload = &ttnpb.MACCommand_LinkADRReq_{
				LinkADRReq: &ttnpb.MACCommand_LinkADRReq{
					DataRateIndex:      ttnpb.DataRateIndex(b[0] >> 4),
					TxPowerIndex:       uint32(b[0] & 0xf),
					ChannelMask:        chMask[:],
					ChannelMaskControl: uint32((b[3] >> 4) & 0x7),
					NbTrans:            uint32(b[3] & 0xf),
				},
			}
			return nil
		}),
	},

	ttnpb.CID_DUTY_CYCLE: &MACCommandDescriptor{
		InitiatedByDevice: false,

		AppendUplink: func(phy band.Band, b []byte, _ ttnpb.MACCommand) ([]byte, error) {
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_DUTY_CYCLE, "DutyCycleAns", 0, nil),

		DownlinkLength: 1,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetDutyCycleReq()
			if pld.MaxDutyCycle > 15 {
				return nil, errExpectedLowerOrEqual("MaxDutyCycle", 15)(pld.MaxDutyCycle)
			}
			b = append(b, byte(pld.MaxDutyCycle))
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_DUTY_CYCLE, "DutyCycleReq", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_DutyCycleReq_{
				DutyCycleReq: &ttnpb.MACCommand_DutyCycleReq{
					MaxDutyCycle: ttnpb.AggregatedDutyCycle(b[0] & 0xf),
				},
			}
			return nil
		}),
	},

	ttnpb.CID_RX_PARAM_SETUP: &MACCommandDescriptor{
		InitiatedByDevice: false,

		UplinkLength: 1,
		AppendUplink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetRxParamSetupAns()
			var v byte
			if pld.Rx2FrequencyAck {
				v |= 1
			}
			if pld.Rx2DataRateIndexAck {
				v |= (1 << 1)
			}
			if pld.Rx1DataRateOffsetAck {
				v |= (1 << 2)
			}
			b = append(b, v)
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_RX_PARAM_SETUP, "RxParamSetupAns", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_RxParamSetupAns_{
				RxParamSetupAns: &ttnpb.MACCommand_RxParamSetupAns{
					Rx2FrequencyAck:      b[0]&1 == 1,
					Rx2DataRateIndexAck:  (b[0]>>1)&1 == 1,
					Rx1DataRateOffsetAck: (b[0]>>2)&1 == 1,
				},
			}
			return nil
		}),

		DownlinkLength: 4,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetRxParamSetupReq()
			if pld.Rx1DataRateOffset > 7 {
				return nil, errExpectedLowerOrEqual("Rx1DROffset", 7)(pld.Rx1DataRateOffset)
			}
			if pld.Rx2DataRateIndex > 15 {
				return nil, errExpectedLowerOrEqual("Rx2DR", 15)(pld.Rx2DataRateIndex)
			}
			b = append(b, byte(pld.Rx2DataRateIndex)|byte(pld.Rx1DataRateOffset<<4))
			if pld.Rx2Frequency < 100000 || pld.Rx2Frequency > maxUint24*phy.FreqMultiplier {
				return nil, errExpectedBetween("Rx2Frequency", 100000, maxUint24*phy.FreqMultiplier)(pld.Rx2Frequency)
			}
			b = appendUint64(b, pld.Rx2Frequency/phy.FreqMultiplier, 3)
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_RX_PARAM_SETUP, "RxParamSetupReq", 4, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_RxParamSetupReq_{
				RxParamSetupReq: &ttnpb.MACCommand_RxParamSetupReq{
					Rx1DataRateOffset: uint32((b[0] >> 4) & 0x7),
					Rx2DataRateIndex:  ttnpb.DataRateIndex(b[0] & 0xf),
					Rx2Frequency:      parseUint64(b[1:4]) * phy.FreqMultiplier,
				},
			}
			return nil
		}),
	},

	ttnpb.CID_DEV_STATUS: &MACCommandDescriptor{
		InitiatedByDevice: false,

		UplinkLength: 2,
		AppendUplink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetDevStatusAns()
			if pld.Battery > math.MaxUint8 {
				return nil, errExpectedLowerOrEqual("Battery", math.MaxUint8)(math.MaxUint8)
			}
			if pld.Margin < -32 || pld.Margin > 31 {
				return nil, errExpectedBetween("Margin", -32, 31)(pld.Margin)
			}
			b = append(b, byte(pld.Battery))
			if pld.Margin < 0 {
				b = append(b, byte(-(pld.Margin+1)|(1<<5)))
			} else {
				b = append(b, byte(pld.Margin))
			}
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_DEV_STATUS, "DevStatusAns", 2, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			margin := int32(b[1] & 0x1f)
			if (b[1]>>5)&1 == 1 {
				margin = -margin - 1
			}
			cmd.Payload = &ttnpb.MACCommand_DevStatusAns_{
				DevStatusAns: &ttnpb.MACCommand_DevStatusAns{
					Battery: uint32(b[0]),
					Margin:  margin,
				},
			}
			return nil
		}),

		AppendDownlink: func(phy band.Band, b []byte, _ ttnpb.MACCommand) ([]byte, error) {
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_DEV_STATUS, "DevStatusReq", 0, nil),
	},

	ttnpb.CID_NEW_CHANNEL: &MACCommandDescriptor{
		InitiatedByDevice: false,

		UplinkLength: 1,
		AppendUplink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetNewChannelAns()
			var v byte
			if pld.FrequencyAck {
				v |= 1
			}
			if pld.DataRateAck {
				v |= (1 << 1)
			}
			b = append(b, v)
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_NEW_CHANNEL, "NewChannelAns", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_NewChannelAns_{
				NewChannelAns: &ttnpb.MACCommand_NewChannelAns{
					FrequencyAck: b[0]&1 == 1,
					DataRateAck:  (b[0]>>1)&1 == 1,
				},
			}
			return nil
		}),

		DownlinkLength: 5,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetNewChannelReq()
			if pld.ChannelIndex > math.MaxUint8 {
				return nil, errExpectedLowerOrEqual("ChannelIndex", math.MaxUint8)(pld.ChannelIndex)
			}
			b = append(b, byte(pld.ChannelIndex))

			if pld.Frequency > maxUint24*phy.FreqMultiplier {
				return nil, errExpectedLowerOrEqual("Frequency", maxUint24*phy.FreqMultiplier)(pld.Frequency)
			}
			b = appendUint64(b, pld.Frequency/phy.FreqMultiplier, 3)

			if pld.MinDataRateIndex > 15 {
				return nil, errExpectedLowerOrEqual("MinDataRateIndex", 15)(pld.MinDataRateIndex)
			}
			v := byte(pld.MinDataRateIndex)

			if pld.MaxDataRateIndex > 15 {
				return nil, errExpectedLowerOrEqual("MaxDataRateIndex", 15)(pld.MaxDataRateIndex)
			}
			v |= byte(pld.MaxDataRateIndex) << 4
			b = append(b, v)
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_NEW_CHANNEL, "NewChannelReq", 5, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_NewChannelReq_{
				NewChannelReq: &ttnpb.MACCommand_NewChannelReq{
					ChannelIndex:     uint32(b[0]),
					Frequency:        parseUint64(b[1:4]) * phy.FreqMultiplier,
					MinDataRateIndex: ttnpb.DataRateIndex(b[4] & 0xf),
					MaxDataRateIndex: ttnpb.DataRateIndex(b[4] >> 4),
				},
			}
			return nil
		}),
	},

	ttnpb.CID_RX_TIMING_SETUP: &MACCommandDescriptor{
		InitiatedByDevice: false,

		AppendUplink: func(phy band.Band, b []byte, _ ttnpb.MACCommand) ([]byte, error) {
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_RX_TIMING_SETUP, "RxTimingSetupAns", 0, nil),

		DownlinkLength: 1,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetRxTimingSetupReq()
			if pld.Delay > 15 {
				return nil, errExpectedLowerOrEqual("Delay", 15)(pld.Delay)
			}
			b = append(b, byte(pld.Delay))
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_RX_TIMING_SETUP, "RxTimingSetupReq", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_RxTimingSetupReq_{
				RxTimingSetupReq: &ttnpb.MACCommand_RxTimingSetupReq{
					Delay: ttnpb.RxDelay(b[0] & 0xf),
				},
			}
			return nil
		}),
	},

	ttnpb.CID_TX_PARAM_SETUP: &MACCommandDescriptor{
		InitiatedByDevice: false,

		AppendUplink: func(phy band.Band, b []byte, _ ttnpb.MACCommand) ([]byte, error) {
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_TX_PARAM_SETUP, "TxParamSetupAns", 0, nil),

		DownlinkLength: 1,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetTxParamSetupReq()

			v := byte(pld.MaxEIRPIndex)
			if pld.UplinkDwellTime {
				v |= (1 << 4)
			}
			if pld.DownlinkDwellTime {
				v |= (1 << 5)
			}
			b = append(b, v)
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_TX_PARAM_SETUP, "TxParamSetupReq", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_TxParamSetupReq_{
				TxParamSetupReq: &ttnpb.MACCommand_TxParamSetupReq{
					MaxEIRPIndex:      ttnpb.DeviceEIRP(b[0] & 0xf),
					UplinkDwellTime:   (b[0]>>4)&1 == 1,
					DownlinkDwellTime: (b[0]>>5)&1 == 1,
				},
			}
			return nil
		}),
	},

	ttnpb.CID_DL_CHANNEL: &MACCommandDescriptor{
		InitiatedByDevice: false,

		UplinkLength: 1,
		AppendUplink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetDLChannelAns()
			var v byte
			if pld.ChannelIndexAck {
				v |= 1
			}
			if pld.FrequencyAck {
				v |= (1 << 1)
			}
			b = append(b, v)
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_DL_CHANNEL, "DLChannelAns", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_DLChannelAns_{
				DLChannelAns: &ttnpb.MACCommand_DLChannelAns{
					ChannelIndexAck: b[0]&1 == 1,
					FrequencyAck:    (b[0]>>1)&1 == 1,
				},
			}
			return nil
		}),

		DownlinkLength: 4,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetDLChannelReq()
			if pld.ChannelIndex > math.MaxUint8 {
				return nil, errExpectedLowerOrEqual("ChannelIndex", math.MaxUint8)(pld.ChannelIndex)
			}
			b = append(b, byte(pld.ChannelIndex))

			if pld.Frequency < 100000 || pld.Frequency > maxUint24*phy.FreqMultiplier {
				return nil, errExpectedBetween("Frequency", 100000, maxUint24*phy.FreqMultiplier)(pld.Frequency)
			}
			b = appendUint64(b, pld.Frequency/phy.FreqMultiplier, 3)
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_DL_CHANNEL, "DLChannelReq", 4, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_DLChannelReq_{
				DLChannelReq: &ttnpb.MACCommand_DLChannelReq{
					ChannelIndex: uint32(b[0]),
					Frequency:    parseUint64(b[1:4]) * phy.FreqMultiplier,
				},
			}
			return nil
		}),
	},

	ttnpb.CID_REKEY: &MACCommandDescriptor{
		InitiatedByDevice: true,

		UplinkLength: 1,
		AppendUplink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetRekeyInd()
			if pld.MinorVersion > 15 {
				return nil, errExpectedLowerOrEqual("MinorVersion", 15)(pld.MinorVersion)
			}
			b = append(b, byte(pld.MinorVersion))
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_REKEY, "RekeyInd", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_RekeyInd_{
				RekeyInd: &ttnpb.MACCommand_RekeyInd{
					MinorVersion: ttnpb.Minor(b[0] & 0xf),
				},
			}
			return nil
		}),

		DownlinkLength: 1,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetRekeyConf()
			if pld.MinorVersion > 15 {
				return nil, errExpectedLowerOrEqual("MinorVersion", 15)(pld.MinorVersion)
			}
			b = append(b, byte(pld.MinorVersion))
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_REKEY, "RekeyConf", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_RekeyConf_{
				RekeyConf: &ttnpb.MACCommand_RekeyConf{
					MinorVersion: ttnpb.Minor(b[0] & 0xf),
				},
			}
			return nil
		}),
	},

	ttnpb.CID_ADR_PARAM_SETUP: &MACCommandDescriptor{
		InitiatedByDevice: false,

		AppendUplink: func(phy band.Band, b []byte, _ ttnpb.MACCommand) ([]byte, error) {
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_ADR_PARAM_SETUP, "ADRParamSetupAns", 0, nil),

		DownlinkLength: 1,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetADRParamSetupReq()
			if 1 > pld.ADRAckDelayExponent || pld.ADRAckDelayExponent > 32768 {
				return nil, errExpectedBetween("ADRAckDelay", 1, 32768)(pld.ADRAckDelayExponent)
			}
			v := byte(pld.ADRAckDelayExponent)

			if 1 > pld.ADRAckLimitExponent || pld.ADRAckLimitExponent > 32768 {
				return nil, errExpectedBetween("ADRAckLimit", 1, 32768)(pld.ADRAckLimitExponent)
			}
			v |= byte(pld.ADRAckLimitExponent) << 4

			b = append(b, v)
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_ADR_PARAM_SETUP, "ADRParamSetupReq", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_ADRParamSetupReq_{
				ADRParamSetupReq: &ttnpb.MACCommand_ADRParamSetupReq{
					ADRAckDelayExponent: ttnpb.ADRAckDelayExponent(b[0] & 0xf),
					ADRAckLimitExponent: ttnpb.ADRAckLimitExponent(b[0] >> 4),
				},
			}
			return nil
		}),
	},

	ttnpb.CID_DEVICE_TIME: &MACCommandDescriptor{
		InitiatedByDevice: true,

		AppendUplink: func(phy band.Band, b []byte, _ ttnpb.MACCommand) ([]byte, error) {
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_DEVICE_TIME, "DeviceTimeReq", 0, nil),

		DownlinkLength: 5,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetDeviceTimeAns()

			t := gpstime.ToGPS(pld.Time)
			sec := t / time.Second
			if sec > math.MaxUint32 {
				return nil, errExpectedLowerOrEqual("Time", uint32(math.MaxUint32))(sec)
			}
			b = appendUint32(b, uint32(sec), 4)
			b = append(b, byte((t-sec*time.Second)/fractStep))
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_DEVICE_TIME, "DeviceTimeAns", 5, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_DeviceTimeAns_{
				DeviceTimeAns: &ttnpb.MACCommand_DeviceTimeAns{
					Time: gpstime.Parse(time.Duration(parseUint32(b[0:4]))*time.Second + time.Duration(b[4])*fractStep),
				},
			}
			return nil
		}),
	},

	ttnpb.CID_FORCE_REJOIN: &MACCommandDescriptor{
		InitiatedByDevice: false,

		DownlinkLength: 2,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetForceRejoinReq()

			if pld.PeriodExponent > 7 {
				return nil, errExpectedLowerOrEqual("PeriodExponent", 7)(pld.PeriodExponent)
			}

			v := byte(pld.PeriodExponent) << 3

			if pld.MaxRetries > 7 {
				return nil, errExpectedLowerOrEqual("MaxRetries", 7)(pld.MaxRetries)
			}
			v |= byte(pld.MaxRetries)
			b = append(b, v)

			if pld.RejoinType > 2 {
				return nil, errExpectedLowerOrEqual("RejoinType", 2)(pld.RejoinType)
			}

			v = byte(pld.RejoinType) << 4

			if pld.DataRateIndex > 15 {
				return nil, errExpectedLowerOrEqual("DataRateIndex", 15)(pld.DataRateIndex)
			}
			v |= byte(pld.DataRateIndex)
			b = append(b, v)
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_FORCE_REJOIN, "ForceRejoinReq", 2, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_ForceRejoinReq_{
				ForceRejoinReq: &ttnpb.MACCommand_ForceRejoinReq{
					PeriodExponent: ttnpb.RejoinPeriodExponent(uint32(b[0] >> 3)),
					MaxRetries:     uint32(b[0] & 0x7),
					RejoinType:     ttnpb.RejoinType(b[1] >> 4),
					DataRateIndex:  ttnpb.DataRateIndex(b[1] & 0xf),
				},
			}
			return nil
		}),
	},

	ttnpb.CID_REJOIN_PARAM_SETUP: &MACCommandDescriptor{
		InitiatedByDevice: false,

		UplinkLength: 1,
		AppendUplink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetRejoinParamSetupAns()

			var v byte
			if pld.MaxTimeExponentAck {
				v |= 1
			}
			b = append(b, v)
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_REJOIN_PARAM_SETUP, "RejoinParamSetupAns", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_RejoinParamSetupAns_{
				RejoinParamSetupAns: &ttnpb.MACCommand_RejoinParamSetupAns{
					MaxTimeExponentAck: b[0]&1 == 1,
				},
			}
			return nil
		}),

		DownlinkLength: 1,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetRejoinParamSetupReq()

			if pld.MaxTimeExponent > 15 {
				return nil, errExpectedLowerOrEqual("MaxTimeExponent", 15)(pld.MaxTimeExponent)
			}
			v := byte(pld.MaxTimeExponent) << 4

			if pld.MaxCountExponent > 15 {
				return nil, errExpectedLowerOrEqual("MaxCountExponent", 15)(pld.MaxCountExponent)
			}
			v |= byte(pld.MaxCountExponent)
			b = append(b, v)
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_REJOIN_PARAM_SETUP, "RejoinParamSetupReq", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_RejoinParamSetupReq_{
				RejoinParamSetupReq: &ttnpb.MACCommand_RejoinParamSetupReq{
					MaxTimeExponent:  ttnpb.RejoinTimeExponent(uint32(b[0] >> 4)),
					MaxCountExponent: ttnpb.RejoinCountExponent(uint32(b[0] & 0xf)),
				},
			}
			return nil
		}),
	},

	ttnpb.CID_PING_SLOT_INFO: &MACCommandDescriptor{
		InitiatedByDevice: true,

		UplinkLength: 1,
		AppendUplink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetPingSlotInfoReq()

			if pld.Period > 7 {
				return nil, errExpectedLowerOrEqual("Period", 15)(pld.Period)
			}
			b = append(b, byte(pld.Period))
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_PING_SLOT_INFO, "PingSlotInfoReq", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_PingSlotInfoReq_{
				PingSlotInfoReq: &ttnpb.MACCommand_PingSlotInfoReq{
					Period: ttnpb.PingSlotPeriod(b[0] & 0x7),
				},
			}
			return nil
		}),

		AppendDownlink: func(phy band.Band, b []byte, _ ttnpb.MACCommand) ([]byte, error) {
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_PING_SLOT_INFO, "PingSlotInfoAns", 0, nil),
	},

	ttnpb.CID_PING_SLOT_CHANNEL: &MACCommandDescriptor{
		InitiatedByDevice: false,

		UplinkLength: 1,
		AppendUplink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetPingSlotChannelAns()

			var v byte
			if pld.FrequencyAck {
				v |= 1
			}
			if pld.DataRateIndexAck {
				v |= (1 << 1)
			}
			b = append(b, v)
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_PING_SLOT_CHANNEL, "PingSlotChannelAns", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_PingSlotChannelAns_{
				PingSlotChannelAns: &ttnpb.MACCommand_PingSlotChannelAns{
					FrequencyAck:     b[0]&1 == 1,
					DataRateIndexAck: (b[0]>>1)&1 == 1,
				},
			}
			return nil
		}),

		DownlinkLength: 4,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetPingSlotChannelReq()

			if pld.Frequency < 100000 || pld.Frequency > maxUint24*phy.FreqMultiplier {
				return nil, errExpectedBetween("Frequency", 100000, maxUint24*phy.FreqMultiplier)(pld.Frequency)
			}
			b = appendUint64(b, pld.Frequency/phy.FreqMultiplier, 3)

			if pld.DataRateIndex > 15 {
				return nil, errExpectedLowerOrEqual("DataRateIndex", 15)(pld.DataRateIndex)
			}
			b = append(b, byte(pld.DataRateIndex))
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_PING_SLOT_CHANNEL, "PingSlotChannelReq", 4, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_PingSlotChannelReq_{
				PingSlotChannelReq: &ttnpb.MACCommand_PingSlotChannelReq{
					Frequency:     parseUint64(b[0:3]) * phy.FreqMultiplier,
					DataRateIndex: ttnpb.DataRateIndex(b[3] & 0xf),
				},
			}
			return nil
		}),
	},

	ttnpb.CID_BEACON_TIMING: &MACCommandDescriptor{
		InitiatedByDevice: true,

		AppendUplink: func(phy band.Band, b []byte, _ ttnpb.MACCommand) ([]byte, error) {
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_BEACON_TIMING, "BeaconTimingReq", 0, nil),

		DownlinkLength: 3,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetBeaconTimingAns()

			if pld.Delay > math.MaxUint16 {
				return nil, errExpectedLowerOrEqual("Delay", math.MaxUint16)(pld.Delay)
			}
			b = appendUint32(b, pld.Delay, 2)

			if pld.ChannelIndex > math.MaxUint8 {
				return nil, errExpectedLowerOrEqual("ChannelIndex", math.MaxUint8)(pld.ChannelIndex)
			}
			b = append(b, byte(pld.ChannelIndex))

			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_BEACON_TIMING, "BeaconTimingAns", 3, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_BeaconTimingAns_{
				BeaconTimingAns: &ttnpb.MACCommand_BeaconTimingAns{
					Delay:        parseUint32(b[0:2]),
					ChannelIndex: uint32(b[2]),
				},
			}
			return nil
		}),
	},

	ttnpb.CID_BEACON_FREQ: &MACCommandDescriptor{
		InitiatedByDevice: false,

		UplinkLength: 1,
		AppendUplink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetBeaconFreqAns()
			var v byte
			if pld.FrequencyAck {
				v |= 1
			}
			b = append(b, v)
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_BEACON_FREQ, "BeaconFreqAns", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_BeaconFreqAns_{
				BeaconFreqAns: &ttnpb.MACCommand_BeaconFreqAns{
					FrequencyAck: b[0]&1 == 1,
				},
			}
			return nil
		}),

		DownlinkLength: 3,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetBeaconFreqReq()
			if pld.Frequency < 100000 || pld.Frequency > maxUint24*phy.FreqMultiplier {
				return nil, errExpectedBetween("Frequency", 100000, maxUint24*phy.FreqMultiplier)(pld.Frequency)
			}
			b = appendUint64(b, pld.Frequency/phy.FreqMultiplier, 3)
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_BEACON_FREQ, "BeaconFreqReq", 3, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_BeaconFreqReq_{
				BeaconFreqReq: &ttnpb.MACCommand_BeaconFreqReq{
					Frequency: parseUint64(b[0:3]) * phy.FreqMultiplier,
				},
			}
			return nil
		}),
	},

	ttnpb.CID_DEVICE_MODE: &MACCommandDescriptor{
		InitiatedByDevice: true,

		UplinkLength: 1,
		AppendUplink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetDeviceModeInd()
			b = append(b, byte(pld.Class))
			return b, nil
		},
		UnmarshalUplink: newMACUnmarshaler(ttnpb.CID_DEVICE_MODE, "DeviceModeInd", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_DeviceModeInd_{
				DeviceModeInd: &ttnpb.MACCommand_DeviceModeInd{
					Class: ttnpb.Class(b[0]),
				},
			}
			return nil
		}),

		DownlinkLength: 1,
		AppendDownlink: func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error) {
			pld := cmd.GetDeviceModeConf()
			b = append(b, byte(pld.Class))
			return b, nil
		},
		UnmarshalDownlink: newMACUnmarshaler(ttnpb.CID_DEVICE_MODE, "DeviceModeConf", 1, func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error {
			cmd.Payload = &ttnpb.MACCommand_DeviceModeConf_{
				DeviceModeConf: &ttnpb.MACCommand_DeviceModeConf{
					Class: ttnpb.Class(b[0]),
				},
			}
			return nil
		}),
	},
}

DefaultMACCommands contains all the default MAC commands.

Functions ¶

func ADRAckDelayExponentToUint32 ¶

func ADRAckDelayExponentToUint32(v ttnpb.ADRAckDelayExponent) uint32

ADRAckDelayExponentToUint32 returns v as a uint32 value.

func ADRAckLimitExponentToUint32 ¶

func ADRAckLimitExponentToUint32(v ttnpb.ADRAckLimitExponent) uint32

ADRAckLimitExponentToUint32 returns v as a uint32 value.

func AppendCFList ¶

func AppendCFList(dst []byte, msg ttnpb.CFList) ([]byte, error)

AppendCFList appends encoded msg to dst.

func AppendDLSettings ¶

func AppendDLSettings(dst []byte, msg ttnpb.DLSettings) ([]byte, error)

AppendDLSettings appends encoded msg to dst.

func AppendFCtrl ¶

func AppendFCtrl(dst []byte, msg ttnpb.FCtrl, isUplink bool, fOptsLen uint8) ([]byte, error)

AppendFCtrl appends encoded msg to dst.

func AppendFHDR ¶

func AppendFHDR(dst []byte, msg ttnpb.FHDR, isUplink bool) ([]byte, error)

AppendFHDR appends encoded msg to dst.

func AppendJoinAcceptPayload ¶

func AppendJoinAcceptPayload(dst []byte, msg ttnpb.JoinAcceptPayload) ([]byte, error)

AppendJoinAcceptPayload appends encoded msg to dst.

func AppendJoinRequestPayload ¶

func AppendJoinRequestPayload(dst []byte, msg ttnpb.JoinRequestPayload) ([]byte, error)

AppendJoinRequestPayload appends encoded msg to dst.

func AppendMACPayload ¶

func AppendMACPayload(dst []byte, msg ttnpb.MACPayload, isUplink bool) ([]byte, error)

AppendMACPayload appends encoded msg to dst.

func AppendMHDR ¶

func AppendMHDR(dst []byte, msg ttnpb.MHDR) ([]byte, error)

AppendMHDR appends encoded msg to dst.

func AppendMessage ¶

func AppendMessage(dst []byte, msg ttnpb.Message) ([]byte, error)

AppendMessage appends encoded msg to dst.

func AppendRejoinRequestPayload ¶

func AppendRejoinRequestPayload(dst []byte, msg ttnpb.RejoinRequestPayload) ([]byte, error)

AppendRejoinRequestPayload appends encoded msg to dst.

func DeviceEIRPToFloat32 ¶

func DeviceEIRPToFloat32(v ttnpb.DeviceEIRP) float32

DeviceEIRPToFloat32 returns v as a float32 value.

func Float32ToDeviceEIRP ¶

func Float32ToDeviceEIRP(v float32) ttnpb.DeviceEIRP

Float32ToDeviceEIRP returns v as a highest possible DeviceEIRP.

func GetUplinkMessageIdentifiers ¶

func GetUplinkMessageIdentifiers(phyPayload []byte) (ttnpb.EndDeviceIdentifiers, error)

GetUplinkMessageIdentifiers parses the PHYPayload and retrieves the EndDeviceIdentifers (except DeviceID).

func MarshalCFList ¶

func MarshalCFList(msg ttnpb.CFList) ([]byte, error)

MarshalCFList returns encoded msg.

func MarshalDLSettings ¶

func MarshalDLSettings(msg ttnpb.DLSettings) ([]byte, error)

MarshalDLSettings returns encoded msg.

func MarshalJoinAcceptPayload ¶

func MarshalJoinAcceptPayload(msg ttnpb.JoinAcceptPayload) ([]byte, error)

MarshalJoinAcceptPayload returns encoded msg.

func MarshalJoinRequestPayload ¶

func MarshalJoinRequestPayload(msg ttnpb.JoinRequestPayload) ([]byte, error)

MarshalJoinRequestPayload returns encoded msg.

func MarshalMACPayload ¶

func MarshalMACPayload(msg ttnpb.MACPayload, isUplink bool) ([]byte, error)

MarshalMACPayload returns encoded msg.

func MarshalMHDR ¶

func MarshalMHDR(msg ttnpb.MHDR) ([]byte, error)

MarshalMHDR returns encoded msg.

func MarshalMessage ¶

func MarshalMessage(msg ttnpb.Message) ([]byte, error)

MarshalMessage returns encoded msg.

func MarshalRejoinRequestPayload ¶

func MarshalRejoinRequestPayload(msg ttnpb.RejoinRequestPayload) ([]byte, error)

MarshalRejoinRequestPayload returns encoded msg.

func Uint32ToADRAckDelayExponent ¶

func Uint32ToADRAckDelayExponent(v uint32) ttnpb.ADRAckDelayExponent

Uint32ToADRAckDelayExponent returns v as a highest possible ADRAckDelayExponent.

func Uint32ToADRAckLimitExponent ¶

func Uint32ToADRAckLimitExponent(v uint32) ttnpb.ADRAckLimitExponent

Uint32ToADRAckLimitExponent returns v as a highest possible ADRAckLimitExponent.

func UnmarshalCFList ¶

func UnmarshalCFList(b []byte, msg *ttnpb.CFList) error

UnmarshalCFList unmarshals b into msg.

func UnmarshalDLSettings ¶

func UnmarshalDLSettings(b []byte, msg *ttnpb.DLSettings) error

UnmarshalDLSettings unmarshals b into msg.

func UnmarshalFCtrl ¶

func UnmarshalFCtrl(b []byte, msg *ttnpb.FCtrl, isUplink bool) error

UnmarshalFCtrl unmarshals b into msg.

func UnmarshalFHDR ¶

func UnmarshalFHDR(b []byte, msg *ttnpb.FHDR, isUplink bool) error

UnmarshalFHDR unmarshals b into msg.

func UnmarshalJoinAcceptPayload ¶

func UnmarshalJoinAcceptPayload(b []byte, msg *ttnpb.JoinAcceptPayload) error

UnmarshalJoinAcceptPayload unmarshals b into msg.

func UnmarshalJoinRequestPayload ¶

func UnmarshalJoinRequestPayload(b []byte, msg *ttnpb.JoinRequestPayload) error

UnmarshalJoinRequestPayload unmarshals b into msg.

func UnmarshalMACPayload ¶

func UnmarshalMACPayload(b []byte, msg *ttnpb.MACPayload, isUplink bool) error

UnmarshalMACPayload unmarshals b into msg.

func UnmarshalMHDR ¶

func UnmarshalMHDR(b []byte, msg *ttnpb.MHDR) error

UnmarshalMHDR unmarshals b into msg.

func UnmarshalMessage ¶

func UnmarshalMessage(b []byte, msg *ttnpb.Message) error

UnmarshalMessage unmarshals b into msg.

func UnmarshalRejoinRequestPayload ¶

func UnmarshalRejoinRequestPayload(b []byte, msg *ttnpb.RejoinRequestPayload) error

UnmarshalRejoinRequestPayload unmarshals b into msg.

Types ¶

type MACCommandDescriptor ¶

type MACCommandDescriptor struct {
	InitiatedByDevice bool
	// UplinkLength is length of uplink payload.
	UplinkLength uint16
	// DownlinkLength is length of downlink payload.
	DownlinkLength uint16
	// AppendUplink appends uplink payload of cmd to b.
	AppendUplink func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error)
	// UnmarshalUplink unmarshals uplink payload b into cmd.
	UnmarshalUplink func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error
	// AppendDownlink appends uplink payload of cmd to b.
	AppendDownlink func(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error)
	// UnmarshalDownlink unmarshals downlink payload b into cmd.
	UnmarshalDownlink func(phy band.Band, b []byte, cmd *ttnpb.MACCommand) error
}

MACCommandDescriptor descibes a MAC command.

type MACCommandSpec ¶

type MACCommandSpec map[ttnpb.MACCommandIdentifier]*MACCommandDescriptor

MACCommandSpec maps the ttnpb.CID of MACCommand to a *MACCommandDescriptor.

func (MACCommandSpec) AppendDownlink ¶

func (spec MACCommandSpec) AppendDownlink(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error)

AppendDownlink encodes downlink MAC command cmd, appends it to b and returns any errors encountered.

func (MACCommandSpec) AppendUplink ¶

func (spec MACCommandSpec) AppendUplink(phy band.Band, b []byte, cmd ttnpb.MACCommand) ([]byte, error)

AppendUplink encodes uplink MAC command cmd, appends it to b and returns any errors encountered.

func (MACCommandSpec) ReadDownlink ¶

func (spec MACCommandSpec) ReadDownlink(phy band.Band, r io.Reader, cmd *ttnpb.MACCommand) error

ReadDownlink reads a downlink MACCommand from r into cmd and returns any errors encountered.

func (MACCommandSpec) ReadUplink ¶

func (spec MACCommandSpec) ReadUplink(phy band.Band, r io.Reader, cmd *ttnpb.MACCommand) error

ReadUplink reads an uplink MACCommand from r into cmd and returns any errors encountered.

Source Files ¶

View all Source files

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL