From patchwork Mon Sep 25 08:10:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Deren Wu X-Patchwork-Id: 13397488 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 1D7DACE7A89 for ; Mon, 25 Sep 2023 08:31:42 +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-Type:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:CC:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=oqkkSDVAPiSPjl4K8HhQ8gyzQAOOuulmJzDL/i4sv2I=; b=BxskJ+iCy30v87xqhQy02M647E 99gVpqhElde1KpdShjGPJuVkuZQfFWFphfBqLKtUELMuutpEJtCUX8JQBinjtW1HVgIXixBdwHH9N qYyxFvLQX3ihht8G+E89f+VZyteJXBXBVaBJpsvXiGeJ2u9nLsPfyYLE0c83msl1gGTAxkMO2TNuB 7tt8aNx/mfPCU2Pt90FAGbHQoM+BGh00274mkq05Z4CLkeDU8gBIfq6UsA5F2epyOTns8VeDWsKfG UCIOsgsbHjbxOnQOSGjtycM5dINYxDzr6KCD1D6FXN3zrx40/G/4fH5nK/4kkgz7g1VB5pxSSSZX4 58plk2oQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qkh0G-00DkCs-2O; Mon, 25 Sep 2023 08:31:40 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qkh0D-00DkCO-1Q for linux-mediatek@lists.infradead.org; Mon, 25 Sep 2023 08:31:39 +0000 X-UUID: edddd4e65b7d11ee9b7791016c24628a-20230925 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=oqkkSDVAPiSPjl4K8HhQ8gyzQAOOuulmJzDL/i4sv2I=; b=gpqpuOcHtJsIDmD+4x9w9ULKa8GiMnbBoI1EfObTk/NLindCRVz+FmxCKTX/hxCjZkP42Ff0piJ87FCPfiPLjoT5zlPm2KXBzL8rNcgbwC9qzxDtbXUwQ9VRWuMrfhP9uwTNzUhlMXaG41djLpb69/BudS6cLIPz532SKXwL3fc=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32,REQID:c625e5ee-1467-4338-8dd5-1744a81b8be8,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:5f78ec9,CLOUDID:4d386ec3-1e57-4345-9d31-31ad9818b39f,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO, DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: edddd4e65b7d11ee9b7791016c24628a-20230925 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1578588433; Mon, 25 Sep 2023 01:31:31 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 25 Sep 2023 16:10:55 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 25 Sep 2023 16:10:55 +0800 From: Deren Wu To: Felix Fietkau , Lorenzo Bianconi CC: Sean Wang , Soul Huang , Ming Yen Hsieh , Leon Yen , Eric-SY Chang , KM Lin , Robin Chiu , CH Yeh , Posh Sun , Stella Chang , Quan Zhou , Ryder Lee , Shayne Chen , linux-wireless , linux-mediatek , Deren Wu Subject: [PATCH 5/6] wifi: mt76: mt7921: update the channel usage when the regd domain changed Date: Mon, 25 Sep 2023 16:10:37 +0800 Message-ID: X-Mailer: git-send-email 2.18.0 In-Reply-To: References: MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230925_013137_771245_F74674E0 X-CRM114-Status: GOOD ( 15.75 ) 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: Ming Yen Hsieh The 5.9/6GHz channel license of a certain platform device has been regulated in various countries. That may be difference with standard Liunx regulatory domain settings. In this case, when .reg_notifier() called for regulatory change, mt792x chipset should update the channel usage based on clc or dts configurations. Channel would be disabled by following cases. * clc report the particular UNII-x is disabled. * dts enabled and the channel is not configured. Signed-off-by: Ming Yen Hsieh Co-developed-by: Deren Wu Signed-off-by: Deren Wu --- drivers/net/wireless/mediatek/mt76/eeprom.c | 7 ++- drivers/net/wireless/mediatek/mt76/mt76.h | 5 ++ .../net/wireless/mediatek/mt76/mt7921/init.c | 51 +++++++++++++++++++ .../net/wireless/mediatek/mt76/mt7921/mcu.c | 3 ++ 4 files changed, 64 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/eeprom.c b/drivers/net/wireless/mediatek/mt76/eeprom.c index 36564930aef1..7725dd6763ef 100644 --- a/drivers/net/wireless/mediatek/mt76/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/eeprom.c @@ -188,7 +188,7 @@ static bool mt76_string_prop_find(struct property *prop, const char *str) return false; } -static struct device_node * +struct device_node * mt76_find_power_limits_node(struct mt76_dev *dev) { struct device_node *np = dev->dev->of_node; @@ -227,6 +227,7 @@ mt76_find_power_limits_node(struct mt76_dev *dev) of_node_put(np); return fallback; } +EXPORT_SYMBOL_GPL(mt76_find_power_limits_node); static const __be32 * mt76_get_of_array(struct device_node *np, char *name, size_t *len, int min) @@ -241,7 +242,7 @@ mt76_get_of_array(struct device_node *np, char *name, size_t *len, int min) return prop->value; } -static struct device_node * +struct device_node * mt76_find_channel_node(struct device_node *np, struct ieee80211_channel *chan) { struct device_node *cur; @@ -265,6 +266,8 @@ mt76_find_channel_node(struct device_node *np, struct ieee80211_channel *chan) return NULL; } +EXPORT_SYMBOL_GPL(mt76_find_channel_node); + static s8 mt76_get_txs_delta(struct device_node *np, u8 nss) diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index fede40cf86b7..3730c5e7d702 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -1537,6 +1537,11 @@ mt76_mcu_skb_send_msg(struct mt76_dev *dev, struct sk_buff *skb, int cmd, void mt76_set_irq_mask(struct mt76_dev *dev, u32 addr, u32 clear, u32 set); +struct device_node * +mt76_find_power_limits_node(struct mt76_dev *dev); +struct device_node * +mt76_find_channel_node(struct device_node *np, struct ieee80211_channel *chan); + s8 mt76_get_rate_power_limits(struct mt76_phy *phy, struct ieee80211_channel *chan, struct mt76_power_limits *dest, diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index 534c7bee5ef1..55baac70860b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -58,6 +58,55 @@ static int mt7921_thermal_init(struct mt792x_phy *phy) return PTR_ERR_OR_ZERO(hwmon); } +static void +mt7921_regd_channel_update(struct wiphy *wiphy, struct mt792x_dev *dev) +{ +#define IS_UNII_INVALID(idx, sfreq, efreq) \ + (!(dev->phy.clc_chan_conf & BIT(idx)) && (cfreq) >= (sfreq) && (cfreq) <= (efreq)) + struct ieee80211_supported_band *sband; + struct mt76_dev *mdev = &dev->mt76; + struct device_node *np, *band_np; + struct ieee80211_channel *ch; + int i, cfreq; + + np = mt76_find_power_limits_node(mdev); + + sband = wiphy->bands[NL80211_BAND_5GHZ]; + band_np = np ? of_get_child_by_name(np, "txpower-5g") : NULL; + for (i = 0; i < sband->n_channels; i++) { + ch = &sband->channels[i]; + cfreq = ch->center_freq; + + if (np && (!band_np || !mt76_find_channel_node(band_np, ch))) { + ch->flags |= IEEE80211_CHAN_DISABLED; + continue; + } + + /* UNII-4 */ + if (IS_UNII_INVALID(0, 5850, 5925)) + ch->flags |= IEEE80211_CHAN_DISABLED; + } + + sband = wiphy->bands[NL80211_BAND_6GHZ]; + band_np = np ? of_get_child_by_name(np, "txpower-6g") : NULL; + for (i = 0; i < sband->n_channels; i++) { + ch = &sband->channels[i]; + cfreq = ch->center_freq; + + if (np && (!band_np || !mt76_find_channel_node(band_np, ch))) { + ch->flags |= IEEE80211_CHAN_DISABLED; + continue; + } + + /* UNII-5/6/7/8 */ + if (IS_UNII_INVALID(1, 5925, 6425) || + IS_UNII_INVALID(2, 6425, 6525) || + IS_UNII_INVALID(3, 6525, 6875) || + IS_UNII_INVALID(4, 6875, 7125)) + ch->flags |= IEEE80211_CHAN_DISABLED; + } +} + static void mt7921_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request) @@ -74,6 +123,8 @@ mt7921_regd_notifier(struct wiphy *wiphy, mt76_connac_mcu_set_channel_domain(hw->priv); mt7921_set_tx_sar_pwr(hw, NULL); mt792x_mutex_release(dev); + + mt7921_regd_channel_update(wiphy, dev); } int mt7921_mac_init(struct mt792x_dev *dev) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c index 4f66e27aa43a..63f3d4a5c9aa 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -1247,6 +1247,7 @@ int __mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2, u8 idx) { #define CLC_CAP_EVT_EN BIT(0) +#define CLC_CAP_DTS_EN BIT(1) struct sk_buff *skb, *ret_skb = NULL; struct { u8 ver; @@ -1274,6 +1275,8 @@ int __mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2, if (dev->phy.chip_cap & MT792x_CHIP_CAP_CLC_EVT_EN) req.cap |= CLC_CAP_EVT_EN; + if (mt76_find_power_limits_node(&dev->mt76)) + req.cap |= CLC_CAP_DTS_EN; pos = clc->data; for (i = 0; i < clc->nr_country; i++) {