wcn7850 issues

david Atkins david at 3adesign.co.uk
Wed Aug 14 09:58:53 PDT 2024


I understand that EHT is working with test gear and Google Pixel 8.

I'll try and a sniff of the traffic.

David


> -----Original Message-----
> From: ath12k <ath12k-bounces at lists.infradead.org> On Behalf Of Baochen
> Qiang
> Sent: Wednesday, August 14, 2024 11:33 AM
> To: ath12k at lists.infradead.org
> Subject: Re: wcn7850 issues
> 
> 
> 
> On 8/6/2024 4:06 PM, david Atkins wrote:
> > I have also seen this in dmesg during association with the AP,
> >
> > [   13.049675] wlp1s0: required MCSes not supported, disabling EHT
> this is interesting ... this means EHT MCS verification in
> ieee80211_verify_sta_eht_mcs_support() fails.
> 
> if AP IEs contain EHT operation (I guess so) then this means AP requires NSS
> larger than 2 in its 'Basic EHT-MCS And NSS Set' field, because WCN7850
> supports 2 RX/TX streams for all MCSes (0-7, 8-9, 10-11 and 12-13). so can
> you check/confirm this? you may add some logs in that function or just check
> air sniffer if possible.
> 
> > [   13.304272] wlp1s0: authenticate with ac:91:9b:b7:05:b0 (local
> > address=00:03:7f:58:34:42) [   13.304281] wlp1s0: send auth to
> > ac:91:9b:b7:05:b0 (try 1/3) [   13.312345] wlp1s0: authenticate with
> > ac:91:9b:b7:05:b0 (local address=00:03:7f:58:34:42) [   13.312352]
> > wlp1s0: send auth to ac:91:9b:b7:05:b0 (try 1/3) [   13.314787]
> > wlp1s0: authenticated [   13.315249] wlp1s0: associate with
> > ac:91:9b:b7:05:b0 (try 1/3) [   13.321883] wlp1s0: RX AssocResp from
> > ac:91:9b:b7:05:b0 (capab=0x1111 status=0 aid=6) [   13.334818] wlp1s0:
> > associated



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