[PATCH ath-next v4 00/11] wifi: ath12k: resolve RX link id via logical link id on WCN7850/QCC2072

[Baochen Qiang]

On 11/3/2026 12:05 PM, Burke Cates wrote:
> On Mon, Nov 02, 2026 at 02:38:09PM +0800, Baochen Qiang wrote:
>> ath12k currently relies on hardware link id to resolve the link peer. This
>> works for QCN9274, IPQ5332 and IPQ5424 but breaks WCN7850/QCC2072 which use
>> logical link id instead.
> 
> Tested on an ASUS Zenbook A16 (UX3607OA, Snapdragon X2 Elite) with
> the on-board QCC2072, on v7.4-rc1 plus c752394249f8, 02121aa4a012 and
> 1e678e37ff13 from ath.git and out-of-tree Glymur platform/board
> patches, without Miaoqing's "fix MLO 4-way handshake timeout on
> QCC2072". All 11 applied as posted.
> 
> A Wi-Fi 7 MLO SSID (SAE, PMF required, 2.4+5+6 GHz) that used to fail
> with reason 15 connects as MLO with three links: 12 of 12
> connect/disconnect cycles and 5 of 5 rejoins after s2idle resume,
> ping OK each time. Non-MLO 5 GHz is unaffected. The firmware sends
> PEER_EXTENDED, so the host allocation in 8/11 was not exercised.

Yeah, QCC2072 firmware has that support. Only some old WCN7850 firmware don't have.

> 
> Tested-on: QCC2072 hw1.0 PCI WLAN.COL.1.0.c2-00277-QCACOLSWPL_V1_TO_SILICONZ-1
> 
> Tested-by: Burke Cates <burke.cates at gmail.com> # ASUS Zenbook A16 (UX3607OA)

Thanks for the testing.