Dispatch header helper. More...

#include "sixlowpan-header.h"

Public Types
enum	Dispatch_e { LOWPAN_NALP = 0x0 , LOWPAN_NALP_N = 0x3F , LOWPAN_IPv6 = 0x41 , LOWPAN_HC1 = 0x42 , LOWPAN_BC0 = 0x50 , LOWPAN_IPHC = 0x60 , LOWPAN_IPHC_N = 0x7F , LOWPAN_MESH = 0x80 , LOWPAN_MESH_N = 0xBF , LOWPAN_FRAG1 = 0xC0 , LOWPAN_FRAG1_N = 0xC7 , LOWPAN_FRAGN = 0xE0 , LOWPAN_FRAGN_N = 0xE7 , LOWPAN_UNSUPPORTED = 0xFF }

enum	NhcDispatch_e { LOWPAN_NHC = 0xE0 , LOWPAN_NHC_N = 0xEF , LOWPAN_UDPNHC = 0xF0 , LOWPAN_UDPNHC_N = 0xF7 , LOWPAN_NHCUNSUPPORTED = 0xFF }
	Dispatch values for Next Header compression. More...

Public Member Functions
	SixLowPanDispatch ()

Static Public Member Functions
static Dispatch_e	GetDispatchType (uint8_t dispatch)
	Get the Dispatch type. More...

static NhcDispatch_e	GetNhcDispatchType (uint8_t dispatch)
	Get the NhcDispatch type. More...

Detailed Description

Dispatch header helper.

This class only purpose is to interpret the Dispatch header into its correct type.

The dispatch type is defined by a zero bit as the first bit and a one bit as the second bit.

                      1                   2                   3
  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 |0 1| Dispatch  |  type-specific header
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

Definition at line 45 of file sixlowpan-header.h.

Member Enumeration Documentation

◆ Dispatch_e

enum ns3::SixLowPanDispatch::Dispatch_e

\brief Dispatch values, as defined in <a href="http://datatracker.ietf.org/doc/rfc4944/">RFC 4944</a> and <a href="http://datatracker.ietf.org/doc/rfc6282/">RFC 6282</a>

   Pattern    Header Type
 +------------+------------------------------------------------+
 | 00  xxxxxx | NALP        - Not a LoWPAN frame               |
 | 01  000000 | ESC         - Additional Dispatch byte follows |
 | 01  000001 | IPv6        - Uncompressed IPv6 Addresses      |
 | 01  000010 | LOWPAN_HC1  - LOWPAN_HC1 compressed IPv6       |
 | 01  000011 | reserved    - Reserved for future use          |
 |   ...      | reserved    - Reserved for future use          |
 | 01  001111 | reserved    - Reserved for future use          |
 | 01  010000 | LOWPAN_BC0  - LOWPAN_BC0 broadcast             |
 | 01  010001 | reserved    - Reserved for future use          |
 |   ...      | reserved    - Reserved for future use          |
 | 01  1xxxxx | LOWPAN_IPHC - LOWPAN_IPHC compressed IPv6      |
 | 10  xxxxxx | MESH        - Mesh Header                      |
 | 11  000xxx | FRAG1       - Fragmentation Header (first)     |
 | 11  001000 | reserved    - Reserved for future use          |
 |   ...      | reserved    - Reserved for future use          |
 | 11  011111 | reserved    - Reserved for future use          |
 | 11  100xxx | FRAGN       - Fragmentation Header (subsequent)|
 | 11  101000 | reserved    - Reserved for future use          |
 |   ...      | reserved    - Reserved for future use          |
 | 11  111111 | reserved    - Reserved for future use          |
 +------------+------------------------------------------------+

Enumerator
LOWPAN_NALP
LOWPAN_NALP_N
LOWPAN_IPv6
LOWPAN_HC1
LOWPAN_BC0
LOWPAN_IPHC
LOWPAN_IPHC_N
LOWPAN_MESH
LOWPAN_MESH_N
LOWPAN_FRAG1
LOWPAN_FRAG1_N
LOWPAN_FRAGN
LOWPAN_FRAGN_N
LOWPAN_UNSUPPORTED