From patchwork Mon Aug 2 06:31:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 490591 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99E7DC4338F for ; Mon, 2 Aug 2021 06:32:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 78A6060EBB for ; Mon, 2 Aug 2021 06:32:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232455AbhHBGco (ORCPT ); Mon, 2 Aug 2021 02:32:44 -0400 Received: from rtits2.realtek.com ([211.75.126.72]:40039 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232322AbhHBGcj (ORCPT ); Mon, 2 Aug 2021 02:32:39 -0400 Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 1726WOOE0015022, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36502.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.71/5.88) with ESMTPS id 1726WOOE0015022 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Mon, 2 Aug 2021 14:32:24 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36502.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Mon, 2 Aug 2021 14:32:24 +0800 Received: from localhost (172.16.21.121) 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 15.1.2106.2; Mon, 2 Aug 2021 14:32:23 +0800 From: Ping-Ke Shih To: , CC: , , Subject: [PATCH 4/4] rtw88: move adaptivity mechanism to firmware Date: Mon, 2 Aug 2021 14:31:40 +0800 Message-ID: <20210802063140.25670-5-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210802063140.25670-1-pkshih@realtek.com> References: <20210802063140.25670-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.16.21.121] 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: 08/02/2021 06:13:00 X-KSE-AttachmentFiltering-Interceptor-Info: no applicable attachment filtering rules found X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: =?big5?b?Q2xlYW4sIGJhc2VzOiAyMDIxLzgvMiCkV6TIIDA2?= =?big5?b?OjAxOjAw?= X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-ServerInfo: RTEXH36502.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 X-KSE-AntiSpam-Outbound-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 5.9.20, Database issued on: 08/02/2021 06:21:01 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 0 X-KSE-AntiSpam-Info: Lua profiles 165335 [Aug 01 2021] X-KSE-AntiSpam-Info: Version: 5.9.20.0 X-KSE-AntiSpam-Info: Envelope from: pkshih@realtek.com X-KSE-AntiSpam-Info: LuaCore: 449 449 5db59deca4a4f5e6ea34a93b13bc730e229092f4 X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: d41d8cd98f00b204e9800998ecf8427e.com:7.1.1; 127.0.0.199:7.1.2; realtek.com:7.1.1 X-KSE-AntiSpam-Info: Rate: 0 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-AntiSpam-Info: Auth:dkim=none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Heuristic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 08/02/2021 06:23:00 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Chin-Yen Lee Current adaptivity mechanism is achieved in driver, by periodically referencing the IGI value and then updating related registers. But we find that this way may halt TX activity too long if huge and temporary energy is detected frequently. So we move the mechanism to firmware for immediately reacting this case to recover TX rapidly. Signed-off-by: Chin-Yen Lee Signed-off-by: Zong-Zhe Yang Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw88/debug.h | 1 + drivers/net/wireless/realtek/rtw88/fw.c | 47 ++++++++++++++++++++++ drivers/net/wireless/realtek/rtw88/fw.h | 24 +++++++++++ drivers/net/wireless/realtek/rtw88/phy.c | 6 ++- drivers/net/wireless/realtek/rtw88/reg.h | 3 ++ 5 files changed, 80 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw88/debug.h b/drivers/net/wireless/realtek/rtw88/debug.h index 0dd3f9a88c8d..47c57f395f52 100644 --- a/drivers/net/wireless/realtek/rtw88/debug.h +++ b/drivers/net/wireless/realtek/rtw88/debug.h @@ -21,6 +21,7 @@ enum rtw_debug_mask { RTW_DBG_WOW = 0x00001000, RTW_DBG_CFO = 0x00002000, RTW_DBG_PATH_DIV = 0x00004000, + RTW_DBG_ADAPTIVITY = 0x00008000, RTW_DBG_ALL = 0xffffffff }; diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c index 3bfa5ecc0053..de5f4d1ffb5b 100644 --- a/drivers/net/wireless/realtek/rtw88/fw.c +++ b/drivers/net/wireless/realtek/rtw88/fw.c @@ -183,6 +183,28 @@ static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload, dm_info->scan_density); } +static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload, + u8 length) +{ + struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th; + struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload; + + rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, + "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n", + result->density, result->igi, result->l2h_th_init, result->l2h, + result->h2l, result->option); + + rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n", + rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr, + edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask), + rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr, + edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask)); + + rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n", + rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ? + "Set" : "Unset"); +} + void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb) { struct rtw_c2h_cmd *c2h; @@ -252,6 +274,10 @@ void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, rtw_fw_scan_result(rtwdev, c2h->payload, len); dev_kfree_skb_any(skb); break; + case C2H_ADAPTIVITY: + rtw_fw_adaptivity_result(rtwdev, c2h->payload, len); + dev_kfree_skb_any(skb); + break; default: /* pass offset for further operation */ *((u32 *)skb->cb) = pkt_offset; @@ -1718,6 +1744,27 @@ void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); } +void rtw_fw_adaptivity(struct rtw_dev *rtwdev) +{ + struct rtw_dm_info *dm_info = &rtwdev->dm_info; + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + + if (!rtw_edcca_enabled) { + dm_info->edcca_mode = RTW_EDCCA_NORMAL; + rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, + "EDCCA disabled by debugfs\n"); + } + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); + SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); + SET_ADAPTIVITY_OPTION(h2c_pkt, 2); + SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); + SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); + SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) { u8 h2c_pkt[H2C_PKT_SIZE] = {0}; diff --git a/drivers/net/wireless/realtek/rtw88/fw.h b/drivers/net/wireless/realtek/rtw88/fw.h index ecb8eba59cd7..9a23a679fb09 100644 --- a/drivers/net/wireless/realtek/rtw88/fw.h +++ b/drivers/net/wireless/realtek/rtw88/fw.h @@ -41,6 +41,7 @@ enum rtw_c2h_cmd_id { C2H_WLAN_INFO = 0x27, C2H_WLAN_RFON = 0x32, C2H_BCN_FILTER_NOTIFY = 0x36, + C2H_ADAPTIVITY = 0x37, C2H_SCAN_RESULT = 0x38, C2H_HW_FEATURE_DUMP = 0xfd, C2H_HALMAC = 0xff, @@ -56,6 +57,15 @@ struct rtw_c2h_cmd { u8 payload[]; } __packed; +struct rtw_c2h_adaptivity { + u8 density; + u8 igi; + u8 l2h_th_init; + u8 l2h; + u8 h2l; + u8 option; +} __packed; + enum rtw_rsvd_packet_type { RSVD_BEACON, RSVD_DUMMY, @@ -90,6 +100,7 @@ enum rtw_fw_feature { FW_FEATURE_PG = BIT(3), FW_FEATURE_BCN_FILTER = BIT(5), FW_FEATURE_NOTIFY_SCAN = BIT(6), + FW_FEATURE_ADAPTIVITY = BIT(7), FW_FEATURE_MAX = BIT(31), }; @@ -374,6 +385,7 @@ static inline void rtw_h2c_pkt_set_header(u8 *h2c_pkt, u8 sub_id) #define H2C_CMD_BCN_FILTER_OFFLOAD_P1 0x57 #define H2C_CMD_WL_PHY_INFO 0x58 #define H2C_CMD_SCAN 0x59 +#define H2C_CMD_ADAPTIVITY 0x5A #define H2C_CMD_COEX_TDMA_TYPE 0x60 #define H2C_CMD_QUERY_BT_INFO 0x61 @@ -427,6 +439,17 @@ static inline void rtw_h2c_pkt_set_header(u8 *h2c_pkt, u8 sub_id) #define SET_SCAN_START(h2c_pkt, value) \ le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, BIT(8)) +#define SET_ADAPTIVITY_MODE(h2c_pkt, value) \ + le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, GENMASK(11, 8)) +#define SET_ADAPTIVITY_OPTION(h2c_pkt, value) \ + le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, GENMASK(15, 12)) +#define SET_ADAPTIVITY_IGI(h2c_pkt, value) \ + le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, GENMASK(23, 16)) +#define SET_ADAPTIVITY_L2H(h2c_pkt, value) \ + le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, GENMASK(31, 24)) +#define SET_ADAPTIVITY_DENSITY(h2c_pkt, value) \ + le32p_replace_bits((__le32 *)(h2c_pkt) + 0x01, value, GENMASK(7, 0)) + #define SET_PWR_MODE_SET_MODE(h2c_pkt, value) \ le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, GENMASK(14, 8)) #define SET_PWR_MODE_SET_RLBM(h2c_pkt, value) \ @@ -661,4 +684,5 @@ void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev); int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, u32 *buffer); void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start); +void rtw_fw_adaptivity(struct rtw_dev *rtwdev); #endif diff --git a/drivers/net/wireless/realtek/rtw88/phy.c b/drivers/net/wireless/realtek/rtw88/phy.c index e0daf12d2484..bfddfcbe63f5 100644 --- a/drivers/net/wireless/realtek/rtw88/phy.c +++ b/drivers/net/wireless/realtek/rtw88/phy.c @@ -770,7 +770,11 @@ void rtw_phy_dynamic_mechanism(struct rtw_dev *rtwdev) rtw_phy_cfo_track(rtwdev); rtw_phy_dpk_track(rtwdev); rtw_phy_pwr_track(rtwdev); - rtw_phy_adaptivity(rtwdev); + + if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_ADAPTIVITY)) + rtw_fw_adaptivity(rtwdev); + else + rtw_phy_adaptivity(rtwdev); } #define FRAC_BITS 3 diff --git a/drivers/net/wireless/realtek/rtw88/reg.h b/drivers/net/wireless/realtek/rtw88/reg.h index 8adac30ee08e..abb7b490d8fa 100644 --- a/drivers/net/wireless/realtek/rtw88/reg.h +++ b/drivers/net/wireless/realtek/rtw88/reg.h @@ -642,6 +642,9 @@ #define REG_HRCV_MSG 0x1cf +#define REG_EDCCA_REPORT 0x2d38 +#define BIT_EDCCA_FLAG BIT(24) + #define REG_IGN_GNTBT4 0x4160 #define RF_MODE 0x00