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Re: Research + questions on brcmfmac and support for monitor mode

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On Mon, 11 Jun 2018 at 12:48, Arend van Spriel
<arend.vanspriel@xxxxxxxxxxxx> wrote:
> On 5/30/2018 1:52 PM, Rafał Miłecki wrote:
> > I'm providing extra version info of tested firmware images as requested
> > by Arend in another e-mail thread.
>
> Looking into our firmware repo it there are two flags, ie. WL_MONITOR
> and WL_RADIOTAP. It seems both are set for firmware containing -stamon-
> feature. Your list below confirms that. I still plan to add indication
> for WL_RADIOTAP in the "cap" iovar, but a stamon feature check could be
> used for older firmwares.

I just checked wl.mk (it's an open source file) and found following line:
WLFILES_SRC_HI += src/wl/sys/wlc_stamon.c
not guarded by any ifeq.

It appears wlc_stamon.c is always being compiled in. Are you 100% sure
that wlc_stamon.c depends & uses radiotap? Are you sure it's
impossible to include stamon support without radiotap support?

I'm asking because we're going to check "sta_monitor" iovar to find
out if radiotap support is included. I'd like to be sure it's 100%
reliable.




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