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From: Ping-Ke Shih <pkshih@realtek.com>
To: Mehmet Fide <mehmet.fide@gmail.com>
Cc: Luka Gejak <luka.gejak@linux.dev>,
	Bitterblue Smith <rtl8821cerfe2@gmail.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"mehmet.fide@screeningeagle.com" <mehmet.fide@screeningeagle.com>
Subject: RE: [PATCH rtw-next v2 1/2] wifi: rtw88: download the beacon the reserved page was built with
Date: Mon, 5 Oct 2026 02:49:14 +0000	[thread overview]
Message-ID: <d19dd7073b9d4cdab5e4e1b2d841bca9@realtek.com> (raw)
In-Reply-To: <20260930074444.1991223-2-mehmet.fide@gmail.com>

Mehmet Fide <mehmet.fide@gmail.com> wrote:
> From: Mehmet Fide <mehmet.fide@screeningeagle.com>
> 
> rtw_fw_download_rsvd_page() downloads the beacon twice: once as part of
> the reserved page and once more on its own, so that the firmware ends up
> with a TX descriptor that describes the beacon rather than the whole
> page. The second download fetched a new beacon from mac80211 instead of
> downloading the one the page already holds.
> 
> Besides the extra work, every beacon fetch advances the DTIM count and,
> while a channel switch is announced, the CSA countdown; doing it twice
> per update lets a countdown that starts at 2 reach 0, which mac80211
> warns about. Hand the beacon skb out of the page build and download
> that. The hw scan, which downloads the beacon without a page build,
> keeps fetching its own.
> 
> Signed-off-by: Mehmet Fide <mehmet.fide@screeningeagle.com>

Acked-by: Ping-Ke Shih <pkshih@realtek.com>



  parent reply	other threads:[~2026-10-05  2:49 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-30  7:44 [PATCH rtw-next v2 0/2] wifi: rtw88: channel switch in AP mode Mehmet Fide
2026-09-30  7:44 ` [PATCH rtw-next v2 1/2] wifi: rtw88: download the beacon the reserved page was built with Mehmet Fide
2026-10-01  7:16   ` [PATCH " Luka Gejak
2026-10-01 11:54     ` [PATCH rtw-next " Mehmet Fide
2026-10-05  2:49   ` Ping-Ke Shih [this message]
2026-09-30  7:44 ` [PATCH rtw-next v2 2/2] wifi: rtw88: support channel switch in AP mode Mehmet Fide
2026-10-01  7:18   ` [PATCH " Luka Gejak
2026-10-01 11:54     ` [PATCH rtw-next " Mehmet Fide
2026-10-05  3:11   ` Ping-Ke Shih
2026-10-05  9:51     ` Mehmet Fide

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