From patchwork Mon Sep 12 07:00:13 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: 606183 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 3A516ECAAD5 for ; Mon, 12 Sep 2022 07:01:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229703AbiILHBI (ORCPT ); Mon, 12 Sep 2022 03:01:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36032 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229527AbiILHBG (ORCPT ); Mon, 12 Sep 2022 03:01:06 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 60DF8248DF for ; Mon, 12 Sep 2022 00:01:02 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 28C70VCZ0026851, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36504.realtek.com.tw[172.21.6.27]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 28C70VCZ0026851 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Mon, 12 Sep 2022 15:00:31 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36504.realtek.com.tw (172.21.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Mon, 12 Sep 2022 15:00:51 +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; Mon, 12 Sep 2022 15:00:50 +0800 From: Ping-Ke Shih To: CC: , Subject: [PATCH 1/2] wifi: rtw89: support for setting HE GI and LTF Date: Mon, 12 Sep 2022 15:00:13 +0800 Message-ID: <20220912070014.10018-2-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220912070014.10018-1-pkshih@realtek.com> References: <20220912070014.10018-1-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: 09/12/2022 06:43:00 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?Q2xlYW4sIGJhc2VzOiAyMDIyLzkvMTIgpFekyCAwMjoz?= =?big5_tw?b?NzowMA==?= X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-ServerInfo: RTEXH36504.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 From: Kuan-Chung Chen Support setting HE GI and LTF values to the kernel via nl80211. We currently only support some GI and LTF values settings. The command example is: iw wlan0 set bitrates he-gi-2.4 0.8 he-ltf-2.4 2 Signed-off-by: Kuan-Chung Chen Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/core.h | 4 ++- drivers/net/wireless/realtek/rtw89/fw.c | 2 ++ drivers/net/wireless/realtek/rtw89/fw.h | 10 ++++++ drivers/net/wireless/realtek/rtw89/phy.c | 39 +++++++++++++++++++++++ 4 files changed, 54 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index b5fa61eb24f06..5b19fee020f67 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -2055,7 +2055,9 @@ struct rtw89_ra_info { u8 ra_csi_rate_en:1; u8 fixed_csi_rate_en:1; u8 cr_tbl_sel:1; - u8 rsvd2:5; + u8 fix_giltf_en:1; + u8 fix_giltf:3; + u8 rsvd2:1; u8 csi_mcs_ss_idx; u8 csi_mode:2; u8 csi_gi_ltf:3; diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c index 8e4d0e18fa715..93c2e74e062cc 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.c +++ b/drivers/net/wireless/realtek/rtw89/fw.c @@ -1419,6 +1419,8 @@ int rtw89_fw_h2c_ra(struct rtw89_dev *rtwdev, struct rtw89_ra_info *ra, bool csi RTW89_SET_FWCMD_RA_MASK_2(cmd, FIELD_GET(MASKBYTE2, ra->ra_mask)); RTW89_SET_FWCMD_RA_MASK_3(cmd, FIELD_GET(MASKBYTE3, ra->ra_mask)); RTW89_SET_FWCMD_RA_MASK_4(cmd, FIELD_GET(MASKBYTE4, ra->ra_mask)); + RTW89_SET_FWCMD_RA_FIX_GILTF_EN(cmd, ra->fix_giltf_en); + RTW89_SET_FWCMD_RA_FIX_GILTF(cmd, ra->fix_giltf); if (csi) { RTW89_SET_FWCMD_RA_BFEE_CSI_CTL(cmd, 1); diff --git a/drivers/net/wireless/realtek/rtw89/fw.h b/drivers/net/wireless/realtek/rtw89/fw.h index edd43f00994c4..366557270ea17 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.h +++ b/drivers/net/wireless/realtek/rtw89/fw.h @@ -346,6 +346,16 @@ static inline void RTW89_SET_FWCMD_RA_CR_TBL_SEL(void *cmd, u32 val) le32p_replace_bits((__le32 *)(cmd) + 0x03, val, BIT(10)); } +static inline void RTW89_SET_FWCMD_RA_FIX_GILTF_EN(void *cmd, u32 val) +{ + le32p_replace_bits((__le32 *)(cmd) + 0x03, val, BIT(11)); +} + +static inline void RTW89_SET_FWCMD_RA_FIX_GILTF(void *cmd, u32 val) +{ + le32p_replace_bits((__le32 *)(cmd) + 0x03, val, GENMASK(14, 12)); +} + static inline void RTW89_SET_FWCMD_RA_FIXED_CSI_MCS_SS_IDX(void *cmd, u32 val) { le32p_replace_bits((__le32 *)(cmd) + 0x03, val, GENMASK(23, 16)); diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireless/realtek/rtw89/phy.c index a2ebef0051b83..dfb19df97c305 100644 --- a/drivers/net/wireless/realtek/rtw89/phy.c +++ b/drivers/net/wireless/realtek/rtw89/phy.c @@ -193,6 +193,40 @@ static const u64 rtw89_ra_mask_he_rates[4] = {RA_MASK_HE_1SS_RATES, RA_MASK_HE_2SS_RATES, RA_MASK_HE_3SS_RATES, RA_MASK_HE_4SS_RATES}; +static void rtw89_phy_ra_gi_ltf(struct rtw89_dev *rtwdev, + struct rtw89_sta *rtwsta, + bool *fix_giltf_en, u8 *fix_giltf) +{ + const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0); + struct cfg80211_bitrate_mask *mask = &rtwsta->mask; + u8 band = chan->band_type; + enum nl80211_band nl_band = rtw89_hw_to_nl80211_band(band); + u8 he_gi = mask->control[nl_band].he_gi; + u8 he_ltf = mask->control[nl_band].he_ltf; + + if (!rtwsta->use_cfg_mask) + return; + + if (he_ltf == 2 && he_gi == 2) { + *fix_giltf = RTW89_GILTF_LGI_4XHE32; + } else if (he_ltf == 2 && he_gi == 0) { + *fix_giltf = RTW89_GILTF_SGI_4XHE08; + } else if (he_ltf == 1 && he_gi == 1) { + *fix_giltf = RTW89_GILTF_2XHE16; + } else if (he_ltf == 1 && he_gi == 0) { + *fix_giltf = RTW89_GILTF_2XHE08; + } else if (he_ltf == 0 && he_gi == 1) { + *fix_giltf = RTW89_GILTF_1XHE16; + } else if (he_ltf == 0 && he_gi == 0) { + *fix_giltf = RTW89_GILTF_1XHE08; + } else { + *fix_giltf_en = false; + return; + } + + *fix_giltf_en = true; +} + static void rtw89_phy_ra_sta_update(struct rtw89_dev *rtwdev, struct ieee80211_sta *sta, bool csi) { @@ -210,8 +244,10 @@ static void rtw89_phy_ra_sta_update(struct rtw89_dev *rtwdev, u8 bw_mode = 0; u8 stbc_en = 0; u8 ldpc_en = 0; + u8 fix_giltf = 0; u8 i; bool sgi = false; + bool fix_giltf_en = false; memset(ra, 0, sizeof(*ra)); /* Set the ra mask from sta's capability */ @@ -226,6 +262,7 @@ static void rtw89_phy_ra_sta_update(struct rtw89_dev *rtwdev, if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[1] & IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD) ldpc_en = 1; + rtw89_phy_ra_gi_ltf(rtwdev, rtwsta, &fix_giltf_en, &fix_giltf); } else if (sta->deflink.vht_cap.vht_supported) { u16 mcs_map = le16_to_cpu(sta->deflink.vht_cap.vht_mcs.rx_mcs_map); @@ -335,6 +372,8 @@ static void rtw89_phy_ra_sta_update(struct rtw89_dev *rtwdev, ra->ss_num = min(sta->deflink.rx_nss, rtwdev->hal.tx_nss) - 1; ra->en_sgi = sgi; ra->ra_mask = ra_mask; + ra->fix_giltf_en = fix_giltf_en; + ra->fix_giltf = fix_giltf; if (!csi) return;