support iwx rate_n_flags API version 2 and delete fixed Tx rate support
As of this commit iwx will ignore 'ifconfig media' commands where the
user-specified Tx rate resolves to something other than 'autoselect'.
The existing support for forcing a Tx rate was already only partially
working in 11n and 11ac modes. I doubt anyone had a serious use case for
this. If you really need to force a specific Tx rate for data frames
sent by iwx then hack the driver instead of using 'ifconfig media'.
The firmware interface was designed for Tx rate selection in firmware.
Maintaining support for overriding the Tx rate with ifconfig in face of
complicated firmware interface changes such as this rate_n_flags change
is just not worth it. While trying to keep forced Tx rates working on top
of the new rate_n_flags format I accidentally broke the Tx rate used for
managment frames during regular operation, which caused much frustration.
projects / openbsd / commit