Dell XPS 9310 does not connect to network if ath11k.frame_mode=2.

[Kalle Valo]

Mark Herbert <mark.herbert42 at gmail.com> writes:

> Setting ath11k.frame_mode=1  makes things work again.  Ordinary
> personal wifi routers, that works fine with all equipment at home. I
> have tried with several of them - none works.
>
>
> [    9.222060] wlan0: authenticate with a4:c7:4b:a3:41:20
> [    9.222153] wlan0: capabilities/regulatory prevented using AP
> HT/VHT configuration, downgraded
> [    9.413394] wlan0: send auth to a4:c7:4b:a3:41:20 (try 1/3)
> [    9.417792] wlan0: authenticated
> [    9.420117] wlan0: associate with a4:c7:4b:a3:41:20 (try 1/3)
> [    9.423151] wlan0: RX AssocResp from a4:c7:4b:a3:41:20
> (capab=0x1531 status=0 aid=1)
> [    9.439416] wlan0: associated
> [   14.439815] wlan0: deauthenticating from a4:c7:4b:a3:41:20 by local
> choice (Reason: 15=4WAY_HANDSHAKE_TIMEOUT)
>
> No matter how many times i retry to connect - same story. Setting
> frame_mode=1 makes things work from the start.

AFAIK QCA6390 firmware does not support ethernet frame format
(frame_mode=2) so this is expected. Though it would that ath11k would
notice that and fail initialisation with a proper error message. Patches
welcome.

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