Hi, On Thu, 2025-07-17 at 15:21 +0200, Remi Pommarel wrote: > I have ordered a mt7921 card so I could reproduce this and finally took > time to debug that. Oh wow, talk about dedication. Thank you! > The issue comes to the fact that mt7921 uses 802.11 > encapsulation offloading and as such we are calling > ieee80211_tx_h_select_key() on a 802.3 frame. Oh... Guess we could've thought about that, sorry. Though I would've thought ath12k will also do that. Maybe not in the config you were seeing the issue in? > This function casts the skb data as a 802.11 header regardless the skb > is 802.11 or not in order to decide if the info->control.hw_key needs to > be set. So the hw_key is likely to remain NULL in ieee80211_tx_dequeue() > and because mt7921 driver needs this key to be valid data frames are > dropped. > > Will send a patch so that ieee80211_tx_h_select_key() does not try to > get info from a ieee80211_hdr mapped on 802.3 packet data (i.e. when > IEEE80211_TX_CTL_HW_80211_ENCAP is set). > Sounds good! johannes
