RE: [PATCH v8 4/5] wifi: mac80211: start and finalize channel switch on link basis

[Ping-Ke Shih <pkshih@realtek.com>]

> -----Original Message-----
> From: Johannes Berg <johannes@sipsolutions.net>
> Sent: Wednesday, February 21, 2024 4:20 PM
> To: Ping-Ke Shih <pkshih@realtek.com>; Aditya Kumar Singh <quic_adisi@quicinc.com>
> Cc: linux-wireless@vger.kernel.org; Jeff Johnson <quic_jjohnson@quicinc.com>; Ilan Peer
> <ilan.peer@intel.com>; Jouni Malinen <j@w1.fi>; Ryder Lee <ryder.lee@mediatek.com>; Arend van Spriel
> <arend.vanspriel@broadcom.com>; Felix Fietkau <nbd@openwrt.org>
> Subject: Re: [PATCH v8 4/5] wifi: mac80211: start and finalize channel switch on link basis
> 
> On Wed, 2024-02-21 at 08:19 +0000, Ping-Ke Shih wrote:
> > > -----Original Message-----
> > > From: Johannes Berg <johannes@sipsolutions.net>
> > > Sent: Wednesday, February 21, 2024 4:10 PM
> > > To: Ping-Ke Shih <pkshih@realtek.com>; Aditya Kumar Singh <quic_adisi@quicinc.com>
> > > Cc: linux-wireless@vger.kernel.org; Jeff Johnson <quic_jjohnson@quicinc.com>; Ilan Peer
> > > <ilan.peer@intel.com>; Jouni Malinen <j@w1.fi>; Ryder Lee <ryder.lee@mediatek.com>; Arend van Spriel
> > > <arend.vanspriel@broadcom.com>; Felix Fietkau <nbd@openwrt.org>
> > > Subject: Re: [PATCH v8 4/5] wifi: mac80211: start and finalize channel switch on link basis
> > >
> > > I guess that'd also apply to probe responses? Or does it not send those
> > > at all? But we discussed before that maybe we don't have to be perfect
> > > there, so I guess we can find some solution to that.
> >
> > Unfortunately, Realtek firmware doesn't send probe responses at all. Still
> > need hostapd to reply those.
> >
> 
> Right, but filling in the CSA counters?
> 

No, firmware doesn't modify content of probe response frame.

Ping-Ke