From patchwork Wed Jun 8 11:32:24 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: 12873338 X-Patchwork-Delegate: kvalo@adurom.com 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 4F827C433EF for ; Wed, 8 Jun 2022 11:33:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238093AbiFHLdO (ORCPT ); Wed, 8 Jun 2022 07:33:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41008 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238074AbiFHLdL (ORCPT ); Wed, 8 Jun 2022 07:33:11 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1729C1BC78C for ; Wed, 8 Jun 2022 04:33:08 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 258BWtFjA008936, 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 (8.15.2/2.71/5.88) with ESMTPS id 258BWtFjA008936 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Wed, 8 Jun 2022 19:32:55 +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 15.1.2375.28; Wed, 8 Jun 2022 19:32:55 +0800 Received: from localhost (172.16.16.197) 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 15.1.2308.21; Wed, 8 Jun 2022 19:32:55 +0800 From: Ping-Ke Shih To: , CC: , , Subject: [PATCH v2 3/3] rtw89: add new state to CFO state machine for UL-OFDMA Date: Wed, 8 Jun 2022 19:32:24 +0800 Message-ID: <20220608113224.11193-4-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220608113224.11193-1-pkshih@realtek.com> References: <20220608113224.11193-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.16.16.197] 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: 06/08/2022 11:15:00 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?Q2xlYW4sIGJhc2VzOiAyMDIyLzYvOCCkV6TIIDA5OjMx?= =?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 From: Eric Huang Add an new state, RTW89_PHY_DCFO_STATE_HOLD, to keep CFO acceleration after CFO_PERIOD_CNT if the traffic is UL-OFDMA, which is calculated based on RX trigger frame counter. Signed-off-by: Eric Huang Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/core.h | 7 +++++++ drivers/net/wireless/realtek/rtw89/phy.c | 24 ++++++++++++++++++++--- drivers/net/wireless/realtek/rtw89/phy.h | 1 + 3 files changed, 29 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index 1fa6fe8b99530..239d47d0ec6d6 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -2809,13 +2809,20 @@ enum rtw89_multi_cfo_mode { enum rtw89_phy_cfo_status { RTW89_PHY_DCFO_STATE_NORMAL = 0, RTW89_PHY_DCFO_STATE_ENHANCE = 1, + RTW89_PHY_DCFO_STATE_HOLD = 2, RTW89_PHY_DCFO_STATE_MAX }; +enum rtw89_phy_cfo_ul_ofdma_acc_mode { + RTW89_CFO_UL_OFDMA_ACC_DISABLE = 0, + RTW89_CFO_UL_OFDMA_ACC_ENABLE = 1 +}; + struct rtw89_cfo_tracking_info { u16 cfo_timer_ms; bool cfo_trig_by_timer_en; enum rtw89_phy_cfo_status phy_cfo_status; + enum rtw89_phy_cfo_ul_ofdma_acc_mode cfo_ul_ofdma_acc_mode; u8 phy_cfo_trk_cnt; bool is_adjust; enum rtw89_multi_cfo_mode rtw89_multi_cfo_mode; diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireless/realtek/rtw89/phy.c index 762cdba9d3cfd..217aacb6e8c1b 100644 --- a/drivers/net/wireless/realtek/rtw89/phy.c +++ b/drivers/net/wireless/realtek/rtw89/phy.c @@ -2151,6 +2151,7 @@ static void rtw89_phy_cfo_init(struct rtw89_dev *rtwdev) cfo->cfo_trig_by_timer_en = false; cfo->phy_cfo_trk_cnt = 0; cfo->phy_cfo_status = RTW89_PHY_DCFO_STATE_NORMAL; + cfo->cfo_ul_ofdma_acc_mode = RTW89_CFO_UL_OFDMA_ACC_ENABLE; } static void rtw89_phy_cfo_crystal_cap_adjust(struct rtw89_dev *rtwdev, @@ -2419,6 +2420,13 @@ void rtw89_phy_cfo_track(struct rtw89_dev *rtwdev) { struct rtw89_cfo_tracking_info *cfo = &rtwdev->cfo_tracking; struct rtw89_traffic_stats *stats = &rtwdev->stats; + bool is_ul_ofdma = false, ofdma_acc_en = false; + + if (stats->rx_tf_periodic > CFO_TF_CNT_TH) + is_ul_ofdma = true; + if (cfo->cfo_ul_ofdma_acc_mode == RTW89_CFO_UL_OFDMA_ACC_ENABLE && + is_ul_ofdma) + ofdma_acc_en = true; switch (cfo->phy_cfo_status) { case RTW89_PHY_DCFO_STATE_NORMAL: @@ -2430,16 +2438,26 @@ void rtw89_phy_cfo_track(struct rtw89_dev *rtwdev) } break; case RTW89_PHY_DCFO_STATE_ENHANCE: - if (cfo->phy_cfo_trk_cnt >= CFO_PERIOD_CNT) { + if (stats->tx_throughput <= CFO_TP_LOWER) + cfo->phy_cfo_status = RTW89_PHY_DCFO_STATE_NORMAL; + else if (ofdma_acc_en && + cfo->phy_cfo_trk_cnt >= CFO_PERIOD_CNT) + cfo->phy_cfo_status = RTW89_PHY_DCFO_STATE_HOLD; + else + cfo->phy_cfo_trk_cnt++; + + if (cfo->phy_cfo_status == RTW89_PHY_DCFO_STATE_NORMAL) { cfo->phy_cfo_trk_cnt = 0; cfo->cfo_trig_by_timer_en = false; } - if (cfo->cfo_trig_by_timer_en == 1) - cfo->phy_cfo_trk_cnt++; + break; + case RTW89_PHY_DCFO_STATE_HOLD: if (stats->tx_throughput <= CFO_TP_LOWER) { cfo->phy_cfo_status = RTW89_PHY_DCFO_STATE_NORMAL; cfo->phy_cfo_trk_cnt = 0; cfo->cfo_trig_by_timer_en = false; + } else { + cfo->phy_cfo_trk_cnt++; } break; default: diff --git a/drivers/net/wireless/realtek/rtw89/phy.h b/drivers/net/wireless/realtek/rtw89/phy.h index 291660154d58d..e20636f54b553 100644 --- a/drivers/net/wireless/realtek/rtw89/phy.h +++ b/drivers/net/wireless/realtek/rtw89/phy.h @@ -62,6 +62,7 @@ #define CFO_COMP_PERIOD 250 #define CFO_COMP_WEIGHT 8 #define MAX_CFO_TOLERANCE 30 +#define CFO_TF_CNT_TH 300 #define CCX_MAX_PERIOD 2097 #define CCX_MAX_PERIOD_UNIT 32