Hostapd and MCS rates

[Krishna Chaitanya]

On Thu, Jun 25, 2015 at 11:54 AM, Mathieu Slabbinck
<matty.slabbinck at gmail.com> wrote:
>
> On Mon, Jun 22, 2015 at 2:01 PM, Mathieu Slabbinck
> <matty.slabbinck at gmail.com> wrote:
> > Change noticed:
> >
> > before iw cmd:
> > cat rc_rateidx_m*
> > 0xfff
> > 0xff
> > ff ff 00 00 00 00 00 00 00 00
> > ff ff 00 00 00 00 00 00 00 00
> >
> > after iw cmd:
> > cat rc_rateidx_m*
> > 0xfff
> > 0xff
> > 10 00 00 00 00 00 00 00 00 00
> > ff ff 00 00 00 00 00 00 00 00
> >
> > On Mon, Jun 22, 2015 at 12:27 PM, Krishna Chaitanya
> > <chaitanya.mgit at gmail.com> wrote:
> >> On Mon, Jun 22, 2015 at 3:07 PM, Mathieu Slabbinck
> >> <matty.slabbinck at gmail.com> wrote:
> >>> dmesg doesn't show anything. I've added the logging to
> >>> ath9k_htc_set_bitrate_mask but I never see it passing by...
> >>
> >> i was checking ath9k_htc code but looks like you card is PCI based,
> >> so this function will not be called. Also, ath9k pci doesn't have
> >> HW_RATE_CONTROL.
> >>
> >> So, can you check the below files for the update config after iw command?
> >>
> >> cat /sys/kernel/debug/ieee80211/phy1/netdev\:wlan0/
> >>
> >> rc_rateidx_mask_2ghz
> >> rc_rateidx_mask_5ghz
> >>
> >> rc_rateidx_mcs_mask_2ghz
> >> rc_rateidx_mcs_mask_5ghz
>
> Sorry  to bump this, but can you explain what this means?
It means that the values set using iw are configured
at mac80211 level. So Ideally Minstrel should pick
rates as per these masks, not sure where is the problem.
Is it Minstrel (or) ath9k? Looking at the code, things seem fine.