From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 526C3FF885C for ; Sat, 25 Apr 2026 19:51:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=N+f7hrp6zawtRyS6qyle7M+HDDLHBwXS9lZz+C1x6Y0=; b=mYjjnM5o26NcU0qhh11bVW7a+y 2n7XWBhL1D7Bj4iKoxaMYRGwfwz9f+rFMPuMXgCs0tewpgK2/8+N+vs7Ff6cFVpAZVHCo6BagSWfT iinQelcWsXklKZPgiPkOLqcH8STpKjyYZugpWDtTuvl4KLojdScDjud8rOFDBxm3arQDHZgLnWkQc ZAdx2hGAikiGR8lHQnqg4TpmfUjjJ44lA7mZZ0w4ecyKYl995rSaDE7sXDCC1g5tbRwMoKiF6VLZa Gbho2PUTv6mCHdT5Y6Rs773ZpL73MS4bz17kkH8XBB1ajHIuIXAyzvYHeStjSiyd6c7hb2+nRogMK 0gk9OMig==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wGj2j-0000000EmZl-1xiG; Sat, 25 Apr 2026 19:51:57 +0000 Received: from mail-ot1-f44.google.com ([209.85.210.44]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wGj2h-0000000EmYu-2Snv for linux-mediatek@lists.infradead.org; Sat, 25 Apr 2026 19:51:56 +0000 Received: by mail-ot1-f44.google.com with SMTP id 46e09a7af769-7dd73b7c757so2214476a34.0 for ; Sat, 25 Apr 2026 12:51:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777146715; x=1777751515; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=N+f7hrp6zawtRyS6qyle7M+HDDLHBwXS9lZz+C1x6Y0=; b=ehqOpJ+X0YeHSw/57QXu5rekglt9/IdBVxo0arfxR6rzcdpWpxTuqEKpSJxP3P+8D4 BSbSwosynSMb63gHp7uDHRQ07debUTg/fiN0OVZme8c0ZnD49f9mtMEt1wcarScER0/J DEF3s3KCOEb7JXoEPsKq/DORBhRtFAFzd80baRDX69LAvWjo4pdnE79dDUNdHW4xIlxD CvTlB2NCffLR60YGr9Y3IDr8Sw0TXVozplG2nsq59UJECcmEjnZcS5hvrkJrEzNHXzQW wTHDgl/al/AAWKnuL90sqNiEp/+CwA59NHfvrP/dFIb3hNyLengiTxEGe0JxJcu7b3xM CrZg== X-Forwarded-Encrypted: i=1; AFNElJ+DqV8BkH2EnjzvFXUpv7TPtTY+smvy8l+kRw9RVjsQ1VchtCwAvitO93fYhzI8iI3wSREc9Tl0dVKLJubB8w==@lists.infradead.org X-Gm-Message-State: AOJu0YyiX0ADsdRvbLYdfzLtTC90ntflQbh9jGxo3HEwYOm4rYKEN50/ FBPzm0m6EVn1Mnm80rRqt/rHwNtpGJzK+LPAsLeHjaWK0Lz7VxNqQDRb0zirNA== X-Gm-Gg: AeBDieuwp23hjwOGo+Ue1k4uYKzzcvJ4ge2b8sWw8h5fmKM6+cJHFh9AYcjUIlOwzmI vAmekJIo4iHtiVyFEcOgeXiy+CeHD6b547tPhopB5WS9VAkQ+Pgwzol5/ZC9plwMvryn+fLfO+D AoPtNhxA6cLV1a1J53xXiFDAdB3kioUvEixhVSrRpu97STMGLe9QtjHdETko9sgmQaJHv9dPMJF 66nHIAW/75Iqs9MbR/gyRHDf5wfK0fsrBFrUuPYruc2mJEXU1nowDJPO93jSZnO4YBth1/I509C 0WohLkFocZKYSQGzfMJdPN30OAmqrX20sWdWMnz3QWWKB9Gz2o7lrqSwZveKHQTTnxRVRIDd6+8 xQQzYASxplcDUGDPgdrES/z5OVVZC+HluPyyNiVT319Ax4djPbr88guMjvT+H8TGUjkP9j2TZw4 QRJvK/UTWmRMtGcIeGyzFgDSZYBl2Dj41DEzGhK4rCLtt4ETJEjFd3yILeWSInS0VAxAHp9aMqA w== X-Received: by 2002:a05:6830:67ec:b0:7dd:e032:3cdf with SMTP id 46e09a7af769-7dde03240f4mr10407359a34.19.1777146714794; Sat, 25 Apr 2026 12:51:54 -0700 (PDT) Received: from sean-HP-EliteBook-830-G6.attlocal.net ([2600:1702:5083:7610:2e29:c3c3:de27:ce76]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7dcd164d2c3sm13987624a34.24.2026.04.25.12.51.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Apr 2026 12:51:54 -0700 (PDT) From: Sean Wang To: nbd@nbd.name, lorenzo.bianconi@redhat.com Cc: linux-wireless@vger.kernel.org, linux-mediatek@lists.infradead.org, Sean Wang Subject: [PATCH v5 18/21] wifi: mt76: mt7925: add MBMC event handling Date: Sat, 25 Apr 2026 14:50:08 -0500 Message-ID: <20260425195011.790265-19-sean.wang@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260425195011.790265-1-sean.wang@kernel.org> References: <20260425195011.790265-1-sean.wang@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260425_125155_626301_92B5FCCD X-CRM114-Status: GOOD ( 11.81 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Sean Wang Handle MBMC unsolicited events from firmware to report the current MBMC state. This helps validate MT7927 band setup. Signed-off-by: Sean Wang --- .../wireless/mediatek/mt76/mt76_connac_mcu.h | 1 + .../net/wireless/mediatek/mt76/mt7925/mcu.c | 31 +++++++++++++++++++ .../net/wireless/mediatek/mt76/mt7925/mcu.h | 3 +- 3 files changed, 34 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h index 4691b9b5e2be..6d0429f40b0f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h @@ -1069,6 +1069,7 @@ enum { MCU_UNI_EVENT_SCAN_DONE = 0x0e, MCU_UNI_EVENT_RDD_REPORT = 0x11, MCU_UNI_EVENT_ROC = 0x27, + MCU_UNI_EVENT_MBMC = 0x28, MCU_UNI_EVENT_TX_DONE = 0x2d, MCU_UNI_EVENT_THERMAL = 0x35, MCU_UNI_EVENT_RSSI_MONITOR = 0x41, diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c index f7e14cc53dac..4a06f0a1ce03 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c @@ -566,6 +566,34 @@ mt7925_mcu_uni_debug_msg_event(struct mt792x_dev *dev, struct sk_buff *skb) } } +static void +mt7925_mcu_handle_mbmc_event(struct mt792x_dev *dev, struct sk_buff *skb) +{ + struct mbmc_conf_tlv *tlv; + u32 tlv_len; + + skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4); + tlv_len = skb->len; + tlv = (struct mbmc_conf_tlv *)skb->data; + + while (tlv_len >= sizeof(*tlv) && + le16_to_cpu(tlv->len) >= sizeof(*tlv) && + le16_to_cpu(tlv->len) <= tlv_len) { + u16 tag = le16_to_cpu(tlv->tag); + + if (tag == UNI_MBMC_SETTING || tag == UNI_MBMC_NO_RESP_SETTING) { + dev_dbg(dev->mt76.dev, + "MBMC event: tag=%u mbmc_en=%u\n", + tag, tlv->mbmc_en); + break; + } + + tlv_len -= le16_to_cpu(tlv->len); + tlv = (struct mbmc_conf_tlv *) + ((u8 *)tlv + le16_to_cpu(tlv->len)); + } +} + static void mt7925_mcu_uni_rx_unsolicited_event(struct mt792x_dev *dev, struct sk_buff *skb) @@ -584,6 +612,9 @@ mt7925_mcu_uni_rx_unsolicited_event(struct mt792x_dev *dev, case MCU_UNI_EVENT_ROC: mt7925_mcu_uni_roc_event(dev, skb); break; + case MCU_UNI_EVENT_MBMC: + mt7925_mcu_handle_mbmc_event(dev, skb); + break; case MCU_UNI_EVENT_SCAN_DONE: mt7925_mcu_scan_event(dev, skb); return; diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.h index 56e2772f3ffe..293f173b23dd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.h @@ -143,7 +143,8 @@ enum { }; enum { - UNI_MBMC_SETTING, + UNI_MBMC_SETTING = 0, + UNI_MBMC_NO_RESP_SETTING = 1, }; enum { -- 2.43.0