Re: [PATCH ath-next] wifi: ath12k: fix MLO 4-way handshake timeout on QCC2072

[Baochen Qiang]

On 10/30/2026 12:19 PM, Burke Cates wrote:
> On Sat, Aug 15, 2026 at 09:43:29AM +0800, Miaoqing Pan wrote:
>> This is observed on QCC2072 where EAPOL M3 uses the MLD address,
>>
>>   deauthenticated (Reason: 15=4WAY_HANDSHAKE_TIMEOUT)
> 
> I hit this on an ASUS Zenbook A16 (UX3607OA, Snapdragon X2 Elite)
> with the on-board QCC2072: Wi-Fi 7 MLO SSIDs (SAE, PMF required; one
> 6 GHz-only, one 2.4+5+6 GHz) failed with reason 15 whatever the
> association link, with M3 dropped by mac80211. Non-MLO WPA2-PSK on
> 5 GHz was fine.
> 
> With this patch, applied as posted, both MLO SSIDs connect. I tested
> on v7.3-rc5 and again on v7.3, each plus out-of-tree Glymur
> platform/board patches; on v7.3 the tri-band SSID connected as MLO
> (on its 6 GHz link) and rejoined MLO after s2idle resume. That tree
> also carries your separate dp_peer fix (8b6b871332b5, "Fix failure to
> create ath12k_dp_peer on MLO reconnect"). I haven't tried the rebase
> onto ath/main that Jeff asked for.
> 
> Tested-on: QCC2072 hw1.0 PCI WLAN.COL.1.0.c2-00277-QCACOLSWPL_V1_TO_SILICONZ-1
> 
> Tested-by: Burke Cates <burke.cates@xxxxxxxxx> # ASUS Zenbook A16 (UX3607OA)
> 
> AI coding assistants helped run these tests and draft this reply; the
> results are from the hardware runs.
> 
Hi Burke, can you please try if below series can fix your issue as well?

https://lore.kernel.org/all/20261102-ath12k-logical-link-id-v4-0-f4c7807c299b@xxxxxxxxxxxxxxxx/