mirror of
https://github.com/apache/nuttx.git
synced 2026-06-07 01:05:54 +08:00
b48a62a7d4
sixlowpan: Fixes logic surrounding the Universal/Local bit. This bit represents whether the IID is locally/globally administered. The U/L bit is bit 1 of the MSB of the EUI-64. It should only be inverted in cases where there is a full EUI-64. In cases whe
* sixlowpan: Fixes logic surrounding the Universal/Local bit. This bit represents whether the IID is locally/globally administered. The U/L bit is bit 1 of the MSB of the EUI-64. It should only be inverted in cases where there is a full EUI-64. In cases where the IID is derived from say, a short address, this bit should be forced to 0, indicating that it is locally administered.
See:
https://tools.ietf.org/html/rfc4291#section-2.5.1
https://tools.ietf.org/html/rfc4944#section-6
https://tools.ietf.org/html/rfc2464#section-4
* sixlowpan: Account for endianness with U/L bit.
Approved-by: GregoryN <gnutt@nuttx.org>