Information will be represented as:
- Rx-STBC0 - mean, Rx-STBC is supported by driver but packet was not encoded in STBC
- Rx-STBC1 - 1 Nss stream was encoded in STBC
- Rx-STBC2 - 2 Nss streams
- Rx-STBC3 - 3
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Based on patches from an anonymous donor, support the radiotap RX flags and
MCS fields, and the vendor namespace, and, if Channel and XChannel are
both present, use XChannel, not Channel.
Do not try to look up a rate for an MCS value from the Rate field; you
cannot map an MCS value to a rate without also knowing the channel width
and guard interval length.
so we can't rely on it, and it shouldn't be necessary in any case (all
items in that structure are aligned on their natural boundaries, and the
structure length is a multiple of the natural boundary of the most
strictly aligned member).
