VHT 160Mhz and nss related config.

[Sebastian Gottschall]

i really can't believe this. if this is true the  160 mhz mode would not 
make any sense.
the maximum tx / rx rate for 4x4 vht80 and 2x2 vht160 is identical. so 
vht160 would not increase performance in any way

Am 10.02.2017 um 23:58 schrieb Ben Greear:
> So, it appears that the ath10k QCA9984 4x4 160Mhz chip can do 4x4 MIMO 
> at VHT80, but
> it can do only 2x2 MIMO at VHT160/80+80.
>
> When configuring a peer, we need to tell the firmware the number of 
> spatial streams
> of the peer at VHT160 and at VHT80 and lower.  They are not the same 
> value.
>
> I cannot think of any standard way to get this information based on 
> VHT capabilities
> and such.  Currently, one could just assume VHT160 NSS is 1/2 of the 
> VHT80 NSS,
> but that is unlikely to be true for all vendors.
>
> Any ideas?
>
> Thanks,
> Ben
>


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