linux-kernel - [PATCH v3 1/8] wifi: wfx: fix power

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20231004172843.195332-2-jerome.pouiller@silabs.com>
Date:   Wed,  4 Oct 2023 19:28:36 +0200
From:   Jérôme Pouiller 
        <jerome.pouiller@...abs.com>
To:     Kalle Valo <kvalo@...nel.org>
Cc:     linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jérôme Pouiller 
        <jerome.pouiller@...abs.com>
Subject: [PATCH v3 1/8] wifi: wfx: fix power_save setting when AP is stopped

The WF200 allow to start two network interfaces (one AP, one station) on
two different channels. Since magic does not exist, it only works if the
station interface enables power save.

Thus, the driver detects this case and enforce power save as necessary.

This patch fixes the case where the AP interface is stopped and it is no
more necessary to enforce power saving on the station interface.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@...abs.com>
---
 drivers/net/wireless/silabs/wfx/sta.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/wireless/silabs/wfx/sta.c b/drivers/net/wireless/silabs/wfx/sta.c
index 626dfb4b7a55d..9c0a11c277e97 100644
--- a/drivers/net/wireless/silabs/wfx/sta.c
+++ b/drivers/net/wireless/silabs/wfx/sta.c
@@ -402,7 +402,12 @@ void wfx_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 		 struct ieee80211_bss_conf *link_conf)
 {
 	struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv;
+	struct wfx_dev *wdev = wvif->wdev;
 
+	wvif =  NULL;
+	while ((wvif = wvif_iterate(wdev, wvif)) != NULL)
+		wfx_update_pm(wvif);
+	wvif = (struct wfx_vif *)vif->drv_priv;
 	wfx_reset(wvif);
 }
 
-- 
2.39.2