Struct Dot15d4Layer 

pub struct Dot15d4Layer {
    pub index: LayerIndex,
}

IEEE 802.15.4 MAC frame layer (without FCS).

This is a zero-copy view into the packet buffer. The header length is variable depending on the address modes specified in the FCF.

Fields

index: LayerIndex

Implementations

impl Dot15d4Layer

pub fn new(start: usize, end: usize) -> Self

Create a new Dot15d4Layer from start/end offsets.

pub fn validate(buf: &[u8], offset: usize) -> Result<(), FieldError>

Validate that the buffer has enough bytes for at least the minimum header.

pub fn fcf_raw(&self, buf: &[u8]) -> Result<u16, FieldError>

Read the raw 16-bit Frame Control Field.

pub fn fcf_frametype(&self, buf: &[u8]) -> Result<u8, FieldError>

Frame type (3 bits): 0=Beacon, 1=Data, 2=Ack, 3=Command.

pub fn fcf_security(&self, buf: &[u8]) -> Result<bool, FieldError>

Security Enabled flag.

pub fn fcf_pending(&self, buf: &[u8]) -> Result<bool, FieldError>

Frame Pending flag.

pub fn fcf_ackreq(&self, buf: &[u8]) -> Result<bool, FieldError>

ACK Request flag.

pub fn fcf_panidcompress(&self, buf: &[u8]) -> Result<bool, FieldError>

PAN ID Compression flag (intra-PAN).

pub fn fcf_destaddrmode(&self, buf: &[u8]) -> Result<u8, FieldError>

Destination Address Mode (2 bits): 0=None, 2=Short, 3=Long.

pub fn fcf_framever(&self, buf: &[u8]) -> Result<u8, FieldError>

Frame Version (2 bits).

pub fn fcf_srcaddrmode(&self, buf: &[u8]) -> Result<u8, FieldError>

Source Address Mode (2 bits): 0=None, 2=Short, 3=Long.

pub fn seqnum(&self, buf: &[u8]) -> Result<u8, FieldError>

Sequence number (1 byte).

pub fn set_seqnum(&self, buf: &mut [u8], val: u8) -> Result<(), FieldError>

Set sequence number.

pub fn dest_panid(&self, buf: &[u8]) -> Result<Option<u16>, FieldError>

Destination PAN ID (2 bytes, LE). Returns None if dest_addr_mode == 0.

pub fn dest_addr_short(&self, buf: &[u8]) -> Result<Option<u16>, FieldError>

Destination short address (2 bytes, LE). Returns None if dest_addr_mode != SHORT.

pub fn dest_addr_long(&self, buf: &[u8]) -> Result<Option<u64>, FieldError>

Destination long address (8 bytes, LE). Returns None if dest_addr_mode != LONG.

pub fn src_panid(&self, buf: &[u8]) -> Result<Option<u16>, FieldError>

Source PAN ID (2 bytes, LE). Returns None if src_addr_mode == 0 or PAN ID compressed.

pub fn src_addr_short(&self, buf: &[u8]) -> Result<Option<u16>, FieldError>

Source short address (2 bytes, LE). Returns None if src_addr_mode != SHORT.

pub fn src_addr_long(&self, buf: &[u8]) -> Result<Option<u64>, FieldError>

Source long address (8 bytes, LE). Returns None if src_addr_mode != LONG.

pub fn set_fcf_frametype( &self, buf: &mut [u8], val: u8, ) -> Result<(), FieldError>

Set the frame type in the FCF.

pub fn set_fcf_security( &self, buf: &mut [u8], val: bool, ) -> Result<(), FieldError>

Set the security enabled flag in the FCF.

pub fn set_fcf_pending( &self, buf: &mut [u8], val: bool, ) -> Result<(), FieldError>

Set the frame pending flag in the FCF.

pub fn set_fcf_ackreq( &self, buf: &mut [u8], val: bool, ) -> Result<(), FieldError>

Set the ACK request flag in the FCF.

pub fn set_fcf_panidcompress( &self, buf: &mut [u8], val: bool, ) -> Result<(), FieldError>

Set the PAN ID compression flag in the FCF.

pub fn set_fcf_destaddrmode( &self, buf: &mut [u8], val: u8, ) -> Result<(), FieldError>

Set the destination address mode in the FCF.

pub fn set_fcf_framever( &self, buf: &mut [u8], val: u8, ) -> Result<(), FieldError>

Set the frame version in the FCF.

pub fn set_fcf_srcaddrmode( &self, buf: &mut [u8], val: u8, ) -> Result<(), FieldError>

Set the source address mode in the FCF.

pub fn set_dest_panid(&self, buf: &mut [u8], val: u16) -> Result<(), FieldError>

Set the destination PAN ID.

pub fn set_dest_addr_short( &self, buf: &mut [u8], val: u16, ) -> Result<(), FieldError>

Set the destination short address.

pub fn set_dest_addr_long( &self, buf: &mut [u8], val: u64, ) -> Result<(), FieldError>

Set the destination long address.

pub fn set_src_panid(&self, buf: &mut [u8], val: u16) -> Result<(), FieldError>

Set the source PAN ID.

pub fn set_src_addr_short( &self, buf: &mut [u8], val: u16, ) -> Result<(), FieldError>

Set the source short address.

pub fn set_src_addr_long( &self, buf: &mut [u8], val: u64, ) -> Result<(), FieldError>

Set the source long address.

pub fn get_field( &self, buf: &[u8], name: &str, ) -> Option<Result<FieldValue, FieldError>>

Get a field value by name.

pub fn set_field( &self, buf: &mut [u8], name: &str, value: FieldValue, ) -> Option<Result<(), FieldError>>

Set a field value by name.

pub fn field_names() -> &'static [&'static str]

Get the list of field names.

pub fn next_layer(&self, buf: &[u8]) -> Option<LayerKind>

Determine the next layer kind based on frame type.

pub fn format_long_addr(addr: u64) -> String

Format a long address as a colon-separated hex string.

pub fn hashret(&self, buf: &[u8]) -> Vec<u8>

Compute hash for packet matching (based on sequence number).

Trait Implementations

impl Clone for Dot15d4Layer

fn clone(&self) -> Dot15d4Layer

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Dot15d4Layer

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<Dot15d4Layer> for LayerEnum

fn from(v: Dot15d4Layer) -> LayerEnum

Converts to this type from the input type.

impl Layer for Dot15d4Layer

fn kind(&self) -> LayerKind

Get the kind of this layer

fn summary(&self, buf: &[u8]) -> String

Get a human-readable summary of this layer

fn header_len(&self, buf: &[u8]) -> usize

Get the header length for this layer

fn hashret(&self, buf: &[u8]) -> Vec<u8>

Compute a hash for packet matching.

fn answers(&self, buf: &[u8], other: &Self, other_buf: &[u8]) -> bool

Check if this packet answers another packet.

fn field_names(&self) -> &'static [&'static str]

Get the list of field names for this layer

fn extract_padding<'a>(&self, data: &'a [u8]) -> (&'a [u8], &'a [u8])

Extract padding from the packet.

impl LayerDispatch for Dot15d4Layer

fn dispatch_kind(&self) -> LayerKind

Get the kind of this layer.

fn dispatch_index(&self) -> &LayerIndex

Get the layer index (start/end offsets).

fn dispatch_summary(&self, buf: &[u8]) -> String

Get a human-readable summary.

fn dispatch_header_len(&self, buf: &[u8]) -> usize

Get the header length in bytes.

fn dispatch_hashret(&self, buf: &[u8]) -> Vec<u8>

Compute a hash for packet matching.

fn dispatch_field_names(&self) -> &'static [&'static str]

Get field names for this layer type.

fn dispatch_get_field( &self, buf: &[u8], name: &str, ) -> Option<Result<FieldValue, FieldError>>

Get a field value by name.

fn dispatch_set_field( &self, buf: &mut [u8], name: &str, value: FieldValue, ) -> Option<Result<(), FieldError>>

Set a field value by name.

fn dispatch_show_fields(&self, buf: &[u8]) -> Vec<(&'static str, String)>

Get show-fields output.

impl TryInto<Dot15d4Layer> for LayerEnum

type Error = &'static str

The type returned in the event of a conversion error.

fn try_into( self, ) -> Result<Dot15d4Layer, <Self as TryInto<Dot15d4Layer>>::Error>

Performs the conversion.