Struct smoltcp::wire::SixlowpanIphcPacket

pub struct SixlowpanIphcPacket<T: AsRef<[u8]>> { /* private fields */ }

A read/write wrapper around a 6LoWPAN IPHC header. RFC 6282 § 3.1 specifies the format of the header.

The header always start with the following base format (from RFC 6282 § 3.1.1):

   0                                       1
   0   1   2   3   4   5   6   7   8   9   0   1   2   3   4   5
 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
 | 0 | 1 | 1 |  TF   |NH | HLIM  |CID|SAC|  SAM  | M |DAC|  DAM  |
 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+

With:

• TF: Traffic Class and Flow Label
• NH: Next Header
• HLIM: Hop Limit
• CID: Context Identifier Extension
• SAC: Source Address Compression
• SAM: Source Address Mode
• M: Multicast Compression
• DAC: Destination Address Compression
• DAM: Destination Address Mode

Depending on the flags in the base format, the following fields are added to the header:

• Traffic Class and Flow Label
• Next Header
• Hop Limit
• IPv6 source address
• IPv6 destinatino address

Implementations

impl<T: AsRef<[u8]>> Packet<T>

pub const fn new_unchecked(buffer: T) -> Self

Input a raw octet buffer with a 6LoWPAN IPHC header structure.

pub fn new_checked(buffer: T) -> Result<Self>

Shorthand for a combination of new_unchecked and check_len.

pub fn check_len(&self) -> Result<()>

Ensure that no accessor method will panic if called. Returns Err(Error) if the buffer is too short.

pub fn into_inner(self) -> T

Consumes the frame, returning the underlying buffer.

pub fn next_header(&self) -> NextHeader

Return the Next Header field.

pub fn hop_limit(&self) -> u8

Return the Hop Limit.

pub fn src_context_id(&self) -> Option<u8>

Return the Source Context Identifier.

pub fn dst_context_id(&self) -> Option<u8>

Return the Destination Context Identifier.

pub fn ecn_field(&self) -> Option<u8>

Return the ECN field (when it is inlined).

pub fn dscp_field(&self) -> Option<u8>

Return the DSCP field (when it is inlined).

pub fn flow_label_field(&self) -> Option<u16>

Return the flow label field (when it is inlined).

pub fn src_addr(&self) -> Result<UnresolvedAddress<'_>>

Return the Source Address.

pub fn dst_addr(&self) -> Result<UnresolvedAddress<'_>>

Return the Destination Address.

pub fn header_len(&self) -> usize

Return the length of the header.

impl<'a, T: AsRef<[u8]> + ?Sized> Packet<&'a T>

pub fn payload(&self) -> &'a [u8]

Return a pointer to the payload.

impl<T: AsRef<[u8]> + AsMut<[u8]>> Packet<T>

pub fn payload_mut(&mut self) -> &mut [u8]

Return a mutable pointer to the payload.

Trait Implementations

impl<T: Clone + AsRef<[u8]>> Clone for Packet<T>

fn clone(&self) -> Packet<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Debug + AsRef<[u8]>> Debug for Packet<T>

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

Formats the value using the given formatter.