From patchwork Fri Jul 28 07:02:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 708402 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 057F9C0015E for ; Fri, 28 Jul 2023 07:03:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233678AbjG1HDk (ORCPT ); Fri, 28 Jul 2023 03:03:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38624 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233640AbjG1HDi (ORCPT ); Fri, 28 Jul 2023 03:03:38 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 8D4D71FFF for ; Fri, 28 Jul 2023 00:03:37 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 36S73IdF4031392, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36506.realtek.com.tw[172.21.6.27]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 36S73IdF4031392 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Fri, 28 Jul 2023 15:03:18 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36506.realtek.com.tw (172.21.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.17; Fri, 28 Jul 2023 15:03:31 +0800 Received: from [127.0.1.1] (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; Fri, 28 Jul 2023 15:03:30 +0800 From: Ping-Ke Shih To: CC: , Subject: [PATCH 06/10] wifi: rtw89: use struct to access firmware C2H event header Date: Fri, 28 Jul 2023 15:02:48 +0800 Message-ID: <20230728070252.66525-7-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230728070252.66525-1-pkshih@realtek.com> References: <20230728070252.66525-1-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: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Firmware C2H events contain two-word header which can indicate category, class, function and length of received events. Use struct to access them, and doesn't change logic at all. Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/fw.c | 9 +++++---- drivers/net/wireless/realtek/rtw89/fw.h | 17 +++++++++-------- 2 files changed, 14 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c index b27734036fb6d..71e8bea6bd76b 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.c +++ b/drivers/net/wireless/realtek/rtw89/fw.c @@ -2830,12 +2830,13 @@ void rtw89_fw_free_all_early_h2c(struct rtw89_dev *rtwdev) static void rtw89_fw_c2h_parse_attr(struct sk_buff *c2h) { + const struct rtw89_c2h_hdr *hdr = (const struct rtw89_c2h_hdr *)c2h->data; struct rtw89_fw_c2h_attr *attr = RTW89_SKB_C2H_CB(c2h); - attr->category = RTW89_GET_C2H_CATEGORY(c2h->data); - attr->class = RTW89_GET_C2H_CLASS(c2h->data); - attr->func = RTW89_GET_C2H_FUNC(c2h->data); - attr->len = RTW89_GET_C2H_LEN(c2h->data); + attr->category = le32_get_bits(hdr->w0, RTW89_C2H_HDR_W0_CATEGORY); + attr->class = le32_get_bits(hdr->w0, RTW89_C2H_HDR_W0_CLASS); + attr->func = le32_get_bits(hdr->w0, RTW89_C2H_HDR_W0_FUNC); + attr->len = le32_get_bits(hdr->w1, RTW89_C2H_HDR_W1_LEN); } static bool rtw89_fw_c2h_chk_atomic(struct rtw89_dev *rtwdev, diff --git a/drivers/net/wireless/realtek/rtw89/fw.h b/drivers/net/wireless/realtek/rtw89/fw.h index 831dbe6023935..becd8acce9c1d 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.h +++ b/drivers/net/wireless/realtek/rtw89/fw.h @@ -3101,14 +3101,15 @@ inline void RTW89_SET_FWCMD_MCC_SET_DURATION_DURATION_Y(void *cmd, u32 val) #define RTW89_C2H_HEADER_LEN 8 -#define RTW89_GET_C2H_CATEGORY(c2h) \ - le32_get_bits(*((const __le32 *)c2h), GENMASK(1, 0)) -#define RTW89_GET_C2H_CLASS(c2h) \ - le32_get_bits(*((const __le32 *)c2h), GENMASK(7, 2)) -#define RTW89_GET_C2H_FUNC(c2h) \ - le32_get_bits(*((const __le32 *)c2h), GENMASK(15, 8)) -#define RTW89_GET_C2H_LEN(c2h) \ - le32_get_bits(*((const __le32 *)(c2h) + 1), GENMASK(13, 0)) +struct rtw89_c2h_hdr { + __le32 w0; + __le32 w1; +} __packed; + +#define RTW89_C2H_HDR_W0_CATEGORY GENMASK(1, 0) +#define RTW89_C2H_HDR_W0_CLASS GENMASK(7, 2) +#define RTW89_C2H_HDR_W0_FUNC GENMASK(15, 8) +#define RTW89_C2H_HDR_W1_LEN GENMASK(13, 0) struct rtw89_fw_c2h_attr { u8 category;