From patchwork Mon Mar 20 09:31:10 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: 665540 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 1B23CC6FD1D for ; Mon, 20 Mar 2023 09:32:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230270AbjCTJch (ORCPT ); Mon, 20 Mar 2023 05:32:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47972 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230241AbjCTJcd (ORCPT ); Mon, 20 Mar 2023 05:32:33 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 974A91A954 for ; Mon, 20 Mar 2023 02:32:30 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 32K9W3Cg8018074, 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 32K9W3Cg8018074 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Mon, 20 Mar 2023 17:32:03 +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; Mon, 20 Mar 2023 17:32:17 +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, 20 Mar 2023 17:32:16 +0800 From: Ping-Ke Shih To: CC: , , Subject: [PATCH 1/3] wifi: rtw89: set data lowest rate according to AP supported rate Date: Mon, 20 Mar 2023 17:31:10 +0800 Message-ID: <20230320093112.30466-1-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 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Chih-Kang Chang By default the driver uses the 1M and 6M rate (0x0) for data frames in 2 GHz and 5/6 GHz bands respectively. But the rate that might not AP supported. Therefore, We modify the data lowest rate according to the lowest of AP supported rate. Signed-off-by: Chih-Kang Chang Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/core.c | 38 +++++++++++++++++------ 1 file changed, 28 insertions(+), 10 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index 489fa7a86160d..208fd589ffa25 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -686,6 +686,33 @@ rtw89_core_tx_update_he_qos_htc(struct rtw89_dev *rtwdev, desc_info->bk = true; } +static u16 rtw89_core_get_data_rate(struct rtw89_dev *rtwdev, + struct rtw89_core_tx_request *tx_req) +{ + struct ieee80211_vif *vif = tx_req->vif; + struct ieee80211_sta *sta = tx_req->sta; + struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; + struct rtw89_phy_rate_pattern *rate_pattern = &rtwvif->rate_pattern; + enum rtw89_sub_entity_idx idx = rtwvif->sub_entity_idx; + const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, idx); + u16 lowest_rate; + + if (rate_pattern->enable) + return rate_pattern->rate; + + if (vif->p2p) + lowest_rate = RTW89_HW_RATE_OFDM6; + else if (chan->band_type == RTW89_BAND_2G) + lowest_rate = RTW89_HW_RATE_CCK1; + else + lowest_rate = RTW89_HW_RATE_OFDM6; + + if (!sta->deflink.supp_rates[chan->band_type]) + return lowest_rate; + + return __ffs(sta->deflink.supp_rates[chan->band_type]) + lowest_rate; +} + static void rtw89_core_tx_update_data_info(struct rtw89_dev *rtwdev, struct rtw89_core_tx_request *tx_req) @@ -694,8 +721,6 @@ rtw89_core_tx_update_data_info(struct rtw89_dev *rtwdev, struct ieee80211_sta *sta = tx_req->sta; struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta); - struct rtw89_phy_rate_pattern *rate_pattern = &rtwvif->rate_pattern; - const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0); struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; struct sk_buff *skb = tx_req->skb; u8 tid, tid_indicate; @@ -719,14 +744,7 @@ rtw89_core_tx_update_data_info(struct rtw89_dev *rtwdev, if (IEEE80211_SKB_CB(skb)->control.hw_key) rtw89_core_tx_update_sec_key(rtwdev, tx_req); - if (vif->p2p) - desc_info->data_retry_lowest_rate = RTW89_HW_RATE_OFDM6; - else if (rate_pattern->enable) - desc_info->data_retry_lowest_rate = rate_pattern->rate; - else if (chan->band_type == RTW89_BAND_2G) - desc_info->data_retry_lowest_rate = RTW89_HW_RATE_CCK1; - else - desc_info->data_retry_lowest_rate = RTW89_HW_RATE_OFDM6; + desc_info->data_retry_lowest_rate = rtw89_core_get_data_rate(rtwdev, tx_req); } static enum btc_pkt_type