On 4/11/2024 9:56 AM, Kalle Valo wrote: > From: Kalle Valo <quic_kvalo@xxxxxxxxxxx> > > ath12k will support Multi-Link Operation (MLO) in the future but not yet. A > major change with MLO is that cfg80211 will disable Wireless Extension (WEXT) > user space interface. To avoid having inconsistent user experience, first > supporting WEXT and later not, disable WEXT already now. > > Now ath12k claims that WEXT is not supported: > > $ iwconfig wlan0 > wlan0 no wireless extensions. > > Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 > > Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx> > --- > drivers/net/wireless/ath/ath12k/mac.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c > index f15dcd75157d..e989628d7d72 100644 > --- a/drivers/net/wireless/ath/ath12k/mac.c > +++ b/drivers/net/wireless/ath/ath12k/mac.c > @@ -8556,6 +8556,12 @@ static int ath12k_mac_hw_register(struct ath12k_hw *ah) > wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | > NL80211_FEATURE_AP_SCAN; > > + /* MLO is not yet supported so disable Wireless Extensions for now > + * to make sure ath12k users don't use it. This flag can be removed > + * once WIPHY_FLAG_SUPPORTS_MLO is enabled. > + */ > + wiphy->flags |= WIPHY_FLAG_DISABLE_WEXT; > + > hw->queues = ATH12K_HW_MAX_QUEUES; > wiphy->tx_queue_len = ATH12K_QUEUE_LEN; > hw->offchannel_tx_hw_queue = ATH12K_HW_MAX_QUEUES - 1; > > base-commit: 363e7193eaf258fe7f04e8db560bd8a282a12cd9 Currently on my version of Ubuntu when I switch to Hotspot mode I'm seeing: [ 55.189623] warning: `iwconfig' uses wireless extensions which will stop working for Wi-Fi 7 hardware; use nl80211 So are userspace folks aware of the need to move away from iwconfig? Is there a Ubuntu / Network Manager fix fir this? /jeff /jeff
