Re: [PATCH v5 2/8] ath11k: add support for 6GHz radio in driver

Pradeep Kumar Chitrapu
2020-09-15T23:08:03Z

>>>
>>> - if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP) {
>>> + if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP &&
>>> !ar->supports_6ghz) {
>>> band = &ar->mac.sbands[NL80211_BAND_5GHZ];
>>> ht_cap = cap->band[NL80211_BAND_5GHZ].ht_cap_info;
>>> if (ht_cap_info)
>> After this change, when 6G is support, it removed HT/VHT of 5G band
>> from "iw list", when connect to an 11AX AP of 5G, it used non-HT.
>> caused together with this commit
>> 75e296e9b22aef6fa467523ace87ef623dac1fad(mac80211: simplify and
>> improve HT/VHT/HE disable code)
>> + /* disable HT/VHT/HE if we don't support them */
>> + if (!sband->ht_cap.ht_supported) {
>> + ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
>> + ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
>> + ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
>> + }
>>
>> after remove this change in ath11k, it become correct to HE
>> iw wls1 station dump:
>> rx bitrate: 149.7 MBit/s HE-MCS 6 HE-NSS 2 HE-GI 0 HE-DCM 0
Hi Wen,

Do you have
https://lore.kernel.org/linux-wireless/20200528213443.25687d2695bc.I3f9747c1147480f65445f13eda5c4a5ed4e86757@changeid/?

>>
> Hi Pradeep Kumar Chitrapu,
> For QCA6390, it is single_pdev, the pdev support all 2G/5G/6G,
> Is it have 3 pdev/ath11k in your chip for 2G/5G/6G?
> And the pdev/ath11k of 6G have WMI_HOST_WLAN_5G_CAP of
> cap->supported_bands?
>> [...]
Yes, ath11k receives WMI_HOST_WLAN_5G_CAP from firmware for 6G as well.