From patchwork Wed Sep 7 08:43:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 604206 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 B5E81C38145 for ; Wed, 7 Sep 2022 08:45:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229792AbiIGIo6 (ORCPT ); Wed, 7 Sep 2022 04:44:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229850AbiIGIoo (ORCPT ); Wed, 7 Sep 2022 04:44:44 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id F1AFD29830 for ; Wed, 7 Sep 2022 01:44:39 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 2878iD3R1020381, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36505.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 2878iD3R1020381 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Wed, 7 Sep 2022 16:44:13 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36505.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Wed, 7 Sep 2022 16:44:31 +0800 Received: from localhost (172.21.69.188) by RTEXMBS04.realtek.com.tw (172.21.6.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Wed, 7 Sep 2022 16:44:31 +0800 From: Ping-Ke Shih To: CC: Subject: [PATCH v2 1/5] wifi: rtw89: use u32_get_bits to access C2H content of PHY capability Date: Wed, 7 Sep 2022 16:43:58 +0800 Message-ID: <20220907084402.66480-2-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220907084402.66480-1-pkshih@realtek.com> References: <20220907084402.66480-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.21.69.188] X-ClientProxiedBy: RTEXMBS02.realtek.com.tw (172.21.6.95) To RTEXMBS04.realtek.com.tw (172.21.6.97) X-KSE-ServerInfo: RTEXMBS04.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: trusted connection X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Deterministic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 09/07/2022 08:13:00 X-KSE-AttachmentFiltering-Interceptor-Info: no applicable attachment filtering rules found X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: =?big5_tw?b?Q2xlYW4sIGJhc2VzOiAyMDIyLzkvNyCkV6TIIDA2OjI0?= =?big5_tw?b?OjAw?= X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-ServerInfo: RTEXH36505.realtek.com.tw, 9 X-KSE-Attachment-Filter-Triggered-Rules: Clean X-KSE-Attachment-Filter-Triggered-Filters: Clean X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org The definitions of bit fields in structure will be wrong in big-endian platform, so use u32_get_bits() to access them. Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/fw.h | 41 +++++++++++++++--------- drivers/net/wireless/realtek/rtw89/mac.c | 17 +++++----- 2 files changed, 35 insertions(+), 23 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/fw.h b/drivers/net/wireless/realtek/rtw89/fw.h index edd43f00994c4..de70d012cd9bc 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.h +++ b/drivers/net/wireless/realtek/rtw89/fw.h @@ -63,21 +63,32 @@ enum rtw89_mac_c2h_type { RTW89_FWCMD_C2HREG_FUNC_NULL = 0xFF }; -struct rtw89_c2h_phy_cap { - u32 func:7; - u32 ack:1; - u32 len:4; - u32 seq:4; - u32 rx_nss:8; - u32 bw:8; - - u32 tx_nss:8; - u32 prot:8; - u32 nic:8; - u32 wl_func:8; - - u32 hw_type:8; -} __packed; +#define RTW89_GET_C2H_PHYCAP_FUNC(info) \ + u32_get_bits(*((const u32 *)(info)), GENMASK(6, 0)) +#define RTW89_GET_C2H_PHYCAP_ACK(info) \ + u32_get_bits(*((const u32 *)(info)), BIT(7)) +#define RTW89_GET_C2H_PHYCAP_LEN(info) \ + u32_get_bits(*((const u32 *)(info)), GENMASK(11, 8)) +#define RTW89_GET_C2H_PHYCAP_SEQ(info) \ + u32_get_bits(*((const u32 *)(info)), GENMASK(15, 12)) +#define RTW89_GET_C2H_PHYCAP_RX_NSS(info) \ + u32_get_bits(*((const u32 *)(info)), GENMASK(23, 16)) +#define RTW89_GET_C2H_PHYCAP_BW(info) \ + u32_get_bits(*((const u32 *)(info)), GENMASK(31, 24)) +#define RTW89_GET_C2H_PHYCAP_TX_NSS(info) \ + u32_get_bits(*((const u32 *)(info) + 1), GENMASK(7, 0)) +#define RTW89_GET_C2H_PHYCAP_PROT(info) \ + u32_get_bits(*((const u32 *)(info) + 1), GENMASK(15, 8)) +#define RTW89_GET_C2H_PHYCAP_NIC(info) \ + u32_get_bits(*((const u32 *)(info) + 1), GENMASK(23, 16)) +#define RTW89_GET_C2H_PHYCAP_WL_FUNC(info) \ + u32_get_bits(*((const u32 *)(info) + 1), GENMASK(31, 24)) +#define RTW89_GET_C2H_PHYCAP_HW_TYPE(info) \ + u32_get_bits(*((const u32 *)(info) + 2), GENMASK(7, 0)) +#define RTW89_GET_C2H_PHYCAP_ANT_TX_NUM(info) \ + u32_get_bits(*((const u32 *)(info) + 3), GENMASK(15, 8)) +#define RTW89_GET_C2H_PHYCAP_ANT_RX_NUM(info) \ + u32_get_bits(*((const u32 *)(info) + 3), GENMASK(23, 16)) enum rtw89_fw_c2h_category { RTW89_C2H_CAT_TEST, diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index f5bae0b282082..a845575124486 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.c +++ b/drivers/net/wireless/realtek/rtw89/mac.c @@ -2262,23 +2262,24 @@ int rtw89_mac_setup_phycap(struct rtw89_dev *rtwdev) struct rtw89_hal *hal = &rtwdev->hal; const struct rtw89_chip_info *chip = rtwdev->chip; struct rtw89_mac_c2h_info c2h_info = {0}; - struct rtw89_c2h_phy_cap *cap = - (struct rtw89_c2h_phy_cap *)&c2h_info.c2hreg[0]; + u8 tx_nss; + u8 rx_nss; u32 ret; ret = rtw89_mac_read_phycap(rtwdev, &c2h_info); if (ret) return ret; - hal->tx_nss = cap->tx_nss ? - min_t(u8, cap->tx_nss, chip->tx_nss) : chip->tx_nss; - hal->rx_nss = cap->rx_nss ? - min_t(u8, cap->rx_nss, chip->rx_nss) : chip->rx_nss; + tx_nss = RTW89_GET_C2H_PHYCAP_TX_NSS(c2h_info.c2hreg); + rx_nss = RTW89_GET_C2H_PHYCAP_RX_NSS(c2h_info.c2hreg); + + hal->tx_nss = tx_nss ? min_t(u8, tx_nss, chip->tx_nss) : chip->tx_nss; + hal->rx_nss = rx_nss ? min_t(u8, rx_nss, chip->rx_nss) : chip->rx_nss; rtw89_debug(rtwdev, RTW89_DBG_FW, "phycap hal/phy/chip: tx_nss=0x%x/0x%x/0x%x rx_nss=0x%x/0x%x/0x%x\n", - hal->tx_nss, cap->tx_nss, chip->tx_nss, - hal->rx_nss, cap->rx_nss, chip->rx_nss); + hal->tx_nss, tx_nss, chip->tx_nss, + hal->rx_nss, rx_nss, chip->rx_nss); return 0; }