linux-kernel - Re: [PATCH] wifi: ath11k: fix layout of scan_flags in struct scan_req

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Message-Id: <CXC03GYAN4VN.2PQ88Q1S7IL6H@gmail.com>
Date:   Thu, 30 Nov 2023 09:24:26 +0100
From:   "Nicolas Escande" <nico.escande@...il.com>
To:     "Jeff Johnson" <quic_jjohnson@...cinc.com>,
        "Kalle Valo" <kvalo@...nel.org>
Cc:     <linux-wireless@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <ath11k@...ts.infradead.org>
Subject: Re: [PATCH] wifi: ath11k: fix layout of scan_flags in struct
 scan_req_params

On Tue Nov 28, 2023 at 1:57 AM CET, Jeff Johnson wrote:
> On 11/27/2023 2:54 PM, Nicolas Escande wrote:
[...]
> > So either we should not use WMI_SCAN_XXX with scan_req_params.scan_flags ever
> > and only use the bitfield to set scan parameters or if we use WMI_SCAN_XXX with
> > scan_req_params.scan_flags they need to match the corresponding bitfield.
>
> IMO the correct thing to do is to remove the unions from that struct and
> only leave behind the bitfields and not use the WMI_SCAN_XXX masks
> except when filling the firmware structure.
>
> But don't spin an update to your patches until Kalle has a chance to
> give his opinion. I'm new to maintaining these drivers and Kalle may
> have a different opinion on this.
>
> /jeff

No problem, I'll wait for Kalle's input on this before doing anything.
As soon as we decide which way is the right way, I'll work on this. I only care
that this gets resolved.