From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5AAC5171A8 for ; Mon, 8 May 2023 11:39:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2872C433D2; Mon, 8 May 2023 11:39:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1683545994; bh=b0FrlGF1a+aJFH9542i3LIWGJVG6grAvQHI6xZWtmEU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=C2FKDa44qTtIBSQa3hBag+oOiXh68Zy/qgG7XYx/S4oGIz9DAqKFhxMPhY8XYU78U TW7trEyIoW8Y2tDkkXRSF7YvqETYhdFfblzMduXoykANvBH2gPVrmfQXAb/m9Zw2jE ZKO0Cuj4zxhgaCTnCiRQk6p/gtKY+Tb2MAk59a9k= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ben Greear , Isaac Konikoff , Ming Yen Hsieh , Deren Wu , Felix Fietkau , Sasha Levin Subject: [PATCH 5.15 220/371] wifi: mt76: fix 6GHz high channel not be scanned Date: Mon, 8 May 2023 11:47:01 +0200 Message-Id: <20230508094820.799380040@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230508094811.912279944@linuxfoundation.org> References: <20230508094811.912279944@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Ming Yen Hsieh [ Upstream commit 23792cedaff02351b57bddd8957fc917fa88f2e0 ] mt76 scan command only support 64 channels currently. If the channel count is larger than 64(for 2+5+6GHz), some channels will not be scanned. Hence change the scan type to full channel scan in case of the command cannot include proper list for chip. Fixes: 399090ef9605 ("mt76: mt76_connac: move hw_scan and sched_scan routine in mt76_connac_mcu module") Reported-by: Ben Greear Tested-by: Isaac Konikoff Signed-off-by: Ming Yen Hsieh Signed-off-by: Deren Wu Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- .../net/wireless/mediatek/mt76/mt76_connac_mcu.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c index 017bd59c4ea80..98f651fec3bf3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c @@ -1446,8 +1446,16 @@ int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif, req->channel_min_dwell_time = cpu_to_le16(duration); req->channel_dwell_time = cpu_to_le16(duration); - req->channels_num = min_t(u8, sreq->n_channels, 32); - req->ext_channels_num = min_t(u8, ext_channels_num, 32); + if (sreq->n_channels == 0 || sreq->n_channels > 64) { + req->channel_type = 0; + req->channels_num = 0; + req->ext_channels_num = 0; + } else { + req->channel_type = 4; + req->channels_num = min_t(u8, sreq->n_channels, 32); + req->ext_channels_num = min_t(u8, ext_channels_num, 32); + } + for (i = 0; i < req->channels_num + req->ext_channels_num; i++) { if (i >= 32) chan = &req->ext_channels[i - 32]; @@ -1457,7 +1465,6 @@ int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif, chan->band = scan_list[i]->band == NL80211_BAND_2GHZ ? 1 : 2; chan->channel_num = scan_list[i]->hw_value; } - req->channel_type = sreq->n_channels ? 4 : 0; if (sreq->ie_len > 0) { memcpy(req->ies, sreq->ie, sreq->ie_len); -- 2.39.2