From patchwork Wed Nov 22 03:06:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mingyen Hsieh X-Patchwork-Id: 13463882 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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2076C61D97 for ; Wed, 22 Nov 2023 03:07:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343566AbjKVDHW (ORCPT ); Tue, 21 Nov 2023 22:07:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58346 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235054AbjKVDHT (ORCPT ); Tue, 21 Nov 2023 22:07:19 -0500 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0AE271720 for ; Tue, 21 Nov 2023 19:07:01 -0800 (PST) X-UUID: 3133ca3288e411eea33bb35ae8d461a2-20231122 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=jSFFjTdw0ItTbmm8+XW8dK5TPxES/Z2vXBWRweW0Bno=; b=QG+4fdkcBIIn0wMgvmpuwB1QlnOBCqEjclsJnExgtzD5sF2XJp5z/2Vrb+eZyRE/iqEgSNuAgEZYBeM511uM4I0wOI7gItTT8KFTTfA5mnBlBgjEB1zvyYsxUsoNeqbvLTK8ZXgw0DUGNpa1msHQbr6L8poNz/JJubEvpilQ1rk=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.33,REQID:80f020a1-9c63-4183-a9e5-ac4f7033f7f6,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:364b77b,CLOUDID:692aed72-1bd3-4f48-b671-ada88705968c,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,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 3133ca3288e411eea33bb35ae8d461a2-20231122 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1565193917; Wed, 22 Nov 2023 11:06:55 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 22 Nov 2023 11:06:54 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 22 Nov 2023 11:06:54 +0800 From: Mingyen Hsieh To: , CC: , , , , , , , , , , , , , , Ming Yen Hsieh Subject: [PATCH v4 1/3] wifi: mt76: mt7921: fix country count limitation for CLC Date: Wed, 22 Nov 2023 11:06:44 +0800 Message-ID: <20231122030646.31784-2-mingyen.hsieh@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231122030646.31784-1-mingyen.hsieh@mediatek.com> References: <20231122030646.31784-1-mingyen.hsieh@mediatek.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ming Yen Hsieh Due to the increase in the number of power tables for 6Ghz on CLC, the variable nr_country is no longer sufficient to represent the total quantity. Therefore, we have switched to calculating the length of clc buf to obtain the correct power table. Additionally, the version number has been incremented to 1. Fixes: 23bdc5d8cadf ("wifi: mt76: mt7921: introduce Country Location Control support") Signed-off-by: Ming Yen Hsieh --- v2: - Convert type of buf_len from "__le16" to "u16". --- drivers/net/wireless/mediatek/mt76/mt7921/mcu.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c index 753a4fc45c70..36ac004e1ec9 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -1264,6 +1264,7 @@ int __mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2, u8 mtcl_conf; u8 rsvd[62]; } __packed req = { + .ver = 1, .idx = idx, .env = env_cap, .env_6g = dev->phy.power_type, @@ -1271,7 +1272,8 @@ int __mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2, .mtcl_conf = mt792x_acpi_get_mtcl_conf(&dev->phy, alpha2), }; int ret, valid_cnt = 0; - u8 i, *pos; + u16 buf_len = 0; + u8 *pos; if (!clc) return 0; @@ -1281,12 +1283,15 @@ int __mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2, if (mt76_find_power_limits_node(&dev->mt76)) req.cap |= CLC_CAP_DTS_EN; + buf_len = le16_to_cpu(clc->len) - sizeof(*clc); pos = clc->data; - for (i = 0; i < clc->nr_country; i++) { + while (buf_len > 16) { struct mt7921_clc_rule *rule = (struct mt7921_clc_rule *)pos; u16 len = le16_to_cpu(rule->len); + u16 offset = len + sizeof(*rule); - pos += len + sizeof(*rule); + pos += offset; + buf_len -= offset; if (rule->alpha2[0] != alpha2[0] || rule->alpha2[1] != alpha2[1]) continue;