About ath11k#
ath11k is a Linux driver for QualcommIEEE 802.11ax devices, supportingboth AHB bus in SoC type devices and PCI. ath11k uses mac80211. It wasfirst included in Linux v5.6 released March 2020.
Supported Devices#
IPQ8074 hw2.0 (v5.6)
IPQ6018 hw1.0 (v5.10)
QCA6390 hw2.0 (v5.10)
QCA6391 hw2.0 (v5.10) - found inAIRETOS E63 Class by VOXMICRO MPNs: ACB-QCA6391
QCN9074 hw1.0 (v5.14)
WCN6855 hw2.0 (v5.17)
WCN6855 hw2.1 (v5.17)
QCA2062 hw2.1 (v5.17) - found inAIRETOS E20 Class by VOXMICRO MPNs: ACB-QCA2062
QCA2066 hw2.1 (v5.17) - found inAIRETOS E20 Class by VOXMICRO MPNs: ACB-QCA2066
QCA6698AQ hw2.1 (v5.17) - found inAIRETOS E20 Class by VOXMICRO MPNs: ACB-QCA6698
Known bugs/limitations#
QCA6390: firmware WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 andolder have problems accessing host memory below 32 MB (bug #210923)
QCA6390: v5.16 and older require 32 MSI interrupts, make sure VT-d isenabled or use patchsetath11k: support one MSI vector