From patchwork Wed Dec 30 18:06:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 11993531 X-Patchwork-Delegate: nbd@nbd.name Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E196FC433E9 for ; Wed, 30 Dec 2020 18:07:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BA1702229C for ; Wed, 30 Dec 2020 18:07:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726636AbgL3SHZ (ORCPT ); Wed, 30 Dec 2020 13:07:25 -0500 Received: from mailgw01.mediatek.com ([210.61.82.183]:33552 "EHLO mailgw01.mediatek.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726499AbgL3SHZ (ORCPT ); Wed, 30 Dec 2020 13:07:25 -0500 X-UUID: 8f0889616a364d028d60e3ba79527544-20201231 X-UUID: 8f0889616a364d028d60e3ba79527544-20201231 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 284475603; Thu, 31 Dec 2020 02:06:34 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 31 Dec 2020 02:06:32 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 31 Dec 2020 02:06:32 +0800 From: To: , CC: , , , , , , , , , , Lorenzo Bianconi Subject: [PATCH -next v4 12/13] mt76: mt7921: introduce beacon_loss mcu event Date: Thu, 31 Dec 2020 02:06:23 +0800 Message-ID: <4d75d071a77b2b72bb15751d2ebeb976c10fb0d5.1609347310.git.objelf@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 X-TM-SNTS-SMTP: EE4371DEF2D16316E0CB0D83846B82A0B3495C25C423D8439F181976683DFD8F2000:8 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Sean Wang If device has enabled beacon hw filter rx beacons are not reported to the host. Introduce beacon_loss mcu event to trigger mac80211 mlme connection state machine in this configuration. IEEE80211_VIF_BEACON_FILTER has not set in vif flags since hw beacon filter is not enabled yet Co-developed-by: Lorenzo Bianconi Signed-off-by: Lorenzo Bianconi Co-developed-by: Soul Huang Signed-off-by: Soul Huang Signed-off-by: Sean Wang --- .../net/wireless/mediatek/mt76/mt7921/mcu.c | 35 +++++++++++++++++++ .../net/wireless/mediatek/mt76/mt7921/mcu.h | 6 ++++ 2 files changed, 41 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c index 11550be87402..003424a82ca2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -543,6 +543,40 @@ mt7921_mcu_scan_event(struct mt7921_dev *dev, struct sk_buff *skb) MT7921_HW_SCAN_TIMEOUT); } +static void +mt7921_mcu_beacon_loss_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) +{ + struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; + struct mt7921_beacon_loss_event *event = priv; + + if (mvif->idx != event->bss_idx) + return; + + if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) + return; + + ieee80211_beacon_loss(vif); +} + +static void +mt7921_mcu_beacon_loss_event(struct mt7921_dev *dev, struct sk_buff *skb) +{ + struct mt7921_beacon_loss_event *event; + struct mt76_phy *mphy; + u8 band_idx = 0; /* DBDC support */ + + skb_pull(skb, sizeof(struct mt7921_mcu_rxd)); + event = (struct mt7921_beacon_loss_event *)skb->data; + if (band_idx && dev->mt76.phy2) + mphy = dev->mt76.phy2; + else + mphy = &dev->mt76.phy; + + ieee80211_iterate_active_interfaces_atomic(mphy->hw, + IEEE80211_IFACE_ITER_RESUME_ALL, + mt7921_mcu_beacon_loss_iter, event); +} + static void mt7921_mcu_bss_event(struct mt7921_dev *dev, struct sk_buff *skb) { @@ -593,6 +627,7 @@ mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb) switch (rxd->eid) { case MCU_EVENT_BSS_BEACON_LOSS: + mt7921_mcu_beacon_loss_event(dev, skb); break; case MCU_EVENT_SCHED_SCAN_DONE: case MCU_EVENT_SCAN_DONE: diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h index 6894b44ff62d..d6cb062619db 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h @@ -783,6 +783,12 @@ struct mt7921_bss_qos_tlv { u8 pad[3]; } __packed; +struct mt7921_beacon_loss_event { + u8 bss_idx; + u8 reason; + u8 pad[2]; +} __packed; + struct mt7921_mcu_scan_ssid { __le32 ssid_len; u8 ssid[IEEE80211_MAX_SSID_LEN];