From patchwork Wed Mar 22 06:02:38 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: 13183602 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 31DF6C6FD1C for ; Wed, 22 Mar 2023 06:04:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229648AbjCVGEf (ORCPT ); Wed, 22 Mar 2023 02:04:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60972 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229459AbjCVGEe (ORCPT ); Wed, 22 Mar 2023 02:04:34 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B4FE5298D9 for ; Tue, 21 Mar 2023 23:04:32 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 32M644oK4025078, 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 32M644oK4025078 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Wed, 22 Mar 2023 14:04:04 +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 15.1.2375.32; Wed, 22 Mar 2023 14:03:40 +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, 22 Mar 2023 14:03:40 +0800 From: Ping-Ke Shih To: CC: , Subject: [PATCH] wifi: rtw89: config EDCCA threshold during scan to prevent TX failed Date: Wed, 22 Mar 2023 14:02:38 +0800 Message-ID: <20230322060238.43922-1-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 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 X-KSE-ServerInfo: RTEXH36505.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: Chih-Kang Chang Need to configure EDCCA threshold to default value before scan, and recall original value after scan to prevent probe request can't be sent out. Signed-off-by: Chih-Kang Chang Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/core.c | 2 ++ drivers/net/wireless/realtek/rtw89/core.h | 3 +++ drivers/net/wireless/realtek/rtw89/phy.c | 19 +++++++++++++++++++ drivers/net/wireless/realtek/rtw89/phy.h | 1 + drivers/net/wireless/realtek/rtw89/reg.h | 5 +++++ drivers/net/wireless/realtek/rtw89/rtw8852a.c | 1 + drivers/net/wireless/realtek/rtw89/rtw8852b.c | 1 + drivers/net/wireless/realtek/rtw89/rtw8852c.c | 1 + 8 files changed, 33 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index 489fa7a86160d..f1b8fd8e30eab 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -3245,6 +3245,7 @@ void rtw89_core_scan_start(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif, rtw89_btc_ntfy_scan_start(rtwdev, RTW89_PHY_0, chan->band_type); rtw89_chip_rfk_scan(rtwdev, true); rtw89_hci_recalc_int_mit(rtwdev); + rtw89_phy_config_edcca(rtwdev, true); rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL, mac_addr); } @@ -3262,6 +3263,7 @@ void rtw89_core_scan_complete(struct rtw89_dev *rtwdev, rtw89_chip_rfk_scan(rtwdev, false); rtw89_btc_ntfy_scan_finish(rtwdev, RTW89_PHY_0); + rtw89_phy_config_edcca(rtwdev, false); rtwdev->scanning = false; rtwdev->dig.bypass_dig = true; diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index e447bfec508b8..a981660234dad 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -3126,6 +3126,7 @@ struct rtw89_chip_info { const struct rtw89_rrsr_cfgs *rrsr_cfgs; u32 bss_clr_map_reg; u32 dma_ch_mask; + u32 edcca_lvl_reg; const struct wiphy_wowlan_support *wowlan_stub; }; @@ -3335,6 +3336,8 @@ struct rtw89_hal { bool entity_active; enum rtw89_entity_mode entity_mode; + + u32 edcca_bak; }; #define RTW89_MAX_MAC_ID_NUM 128 diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireless/realtek/rtw89/phy.c index d8b035972dd48..cb0f6cc51d6bc 100644 --- a/drivers/net/wireless/realtek/rtw89/phy.c +++ b/drivers/net/wireless/realtek/rtw89/phy.c @@ -4366,3 +4366,22 @@ void rtw89_decode_chan_idx(struct rtw89_dev *rtwdev, u8 chan_idx, *ch = rtw89_ch_base_table[idx] + (offset << 1); } EXPORT_SYMBOL(rtw89_decode_chan_idx); + +#define EDCCA_DEFAULT 249 +void rtw89_phy_config_edcca(struct rtw89_dev *rtwdev, bool scan) +{ + u32 reg = rtwdev->chip->edcca_lvl_reg; + struct rtw89_hal *hal = &rtwdev->hal; + u32 val; + + if (scan) { + hal->edcca_bak = rtw89_phy_read32(rtwdev, reg); + val = hal->edcca_bak; + u32p_replace_bits(&val, EDCCA_DEFAULT, B_SEG0R_EDCCA_LVL_A_MSK); + u32p_replace_bits(&val, EDCCA_DEFAULT, B_SEG0R_EDCCA_LVL_P_MSK); + u32p_replace_bits(&val, EDCCA_DEFAULT, B_SEG0R_PPDU_LVL_MSK); + rtw89_phy_write32(rtwdev, reg, val); + } else { + rtw89_phy_write32(rtwdev, reg, hal->edcca_bak); + } +} diff --git a/drivers/net/wireless/realtek/rtw89/phy.h b/drivers/net/wireless/realtek/rtw89/phy.h index de0a9abf646e3..7535867d0f484 100644 --- a/drivers/net/wireless/realtek/rtw89/phy.h +++ b/drivers/net/wireless/realtek/rtw89/phy.h @@ -558,5 +558,6 @@ void rtw89_phy_ul_tb_ctrl_track(struct rtw89_dev *rtwdev); u8 rtw89_encode_chan_idx(struct rtw89_dev *rtwdev, u8 central_ch, u8 band); void rtw89_decode_chan_idx(struct rtw89_dev *rtwdev, u8 chan_idx, u8 *ch, enum nl80211_band *band); +void rtw89_phy_config_edcca(struct rtw89_dev *rtwdev, bool scan); #endif diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h index e5c0ab43ab7a0..fa3e5bea09bf2 100644 --- a/drivers/net/wireless/realtek/rtw89/reg.h +++ b/drivers/net/wireless/realtek/rtw89/reg.h @@ -4275,6 +4275,11 @@ #define B_PKT_POP_EN BIT(8) #define R_SEG0R_PD 0x481C #define R_SEG0R_PD_V1 0x4860 +#define R_SEG0R_EDCCA_LVL 0x4840 +#define R_SEG0R_EDCCA_LVL_V1 0x4884 +#define B_SEG0R_PPDU_LVL_MSK GENMASK(31, 24) +#define B_SEG0R_EDCCA_LVL_P_MSK GENMASK(15, 8) +#define B_SEG0R_EDCCA_LVL_A_MSK GENMASK(7, 0) #define B_SEG0R_PD_SPATIAL_REUSE_EN_MSK_V1 BIT(30) #define B_SEG0R_PD_SPATIAL_REUSE_EN_MSK BIT(29) #define B_SEG0R_PD_LOWER_BOUND_MSK GENMASK(10, 6) diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852a.c b/drivers/net/wireless/realtek/rtw89/rtw8852a.c index 9c42b6abd2232..7858bd1d35cae 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852a.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852a.c @@ -2142,6 +2142,7 @@ const struct rtw89_chip_info rtw8852a_chip_info = { .rrsr_cfgs = &rtw8852a_rrsr_cfgs, .bss_clr_map_reg = R_BSS_CLR_MAP, .dma_ch_mask = 0, + .edcca_lvl_reg = R_SEG0R_EDCCA_LVL, #ifdef CONFIG_PM .wowlan_stub = &rtw_wowlan_stub_8852a, #endif diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c index 499ae0389c715..a26c55904cda0 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c @@ -2521,6 +2521,7 @@ const struct rtw89_chip_info rtw8852b_chip_info = { .dma_ch_mask = BIT(RTW89_DMA_ACH4) | BIT(RTW89_DMA_ACH5) | BIT(RTW89_DMA_ACH6) | BIT(RTW89_DMA_ACH7) | BIT(RTW89_DMA_B1MG) | BIT(RTW89_DMA_B1HI), + .edcca_lvl_reg = R_SEG0R_EDCCA_LVL_V1, }; EXPORT_SYMBOL(rtw8852b_chip_info); diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c index 8af813132f71d..dc6067d06aa08 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c @@ -2878,6 +2878,7 @@ const struct rtw89_chip_info rtw8852c_chip_info = { .rrsr_cfgs = &rtw8852c_rrsr_cfgs, .bss_clr_map_reg = R_BSS_CLR_MAP, .dma_ch_mask = 0, + .edcca_lvl_reg = R_SEG0R_EDCCA_LVL, #ifdef CONFIG_PM .wowlan_stub = &rtw_wowlan_stub_8852c, #endif