From patchwork Fri Apr 28 15:08:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Kaistra X-Patchwork-Id: 677964 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 3BE54C77B61 for ; Fri, 28 Apr 2023 15:09:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346315AbjD1PJE (ORCPT ); Fri, 28 Apr 2023 11:09:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58100 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346294AbjD1PIy (ORCPT ); Fri, 28 Apr 2023 11:08:54 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E986270C for ; Fri, 28 Apr 2023 08:08:52 -0700 (PDT) From: Martin Kaistra DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1682694521; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=oM9Ne/BJXvqFSmUSdYC1YSLRWLYqtdDWcH2FcfL/mL4=; b=WFtena35lWSa20Pn5JqE8eQ+Cg4E28WrEmnEP9BjxvEimqvy06CvGdm7e6tDcspk76MZnF NaI6MUjBsMLvjCF5B/rqtNBSlGA29Ai1Z5zcnj/H3j1meHdbkdWLgPCHyxtB8EG+mCWTnl ypzM1r1m4OgCs54r9XxUIyVqz/8dz7tyUW1daAeDl25Y27WQGHCQonzlD+85ORWmhj1/43 SPYO6tGcJpCW2Mw0oy6k4OqqtkvOdLjxN0e38KTmRg4b8HKKceIiFtHZbxCTeTcumX5ADU c3JFhRPFi3z+9JLcie24TJaOgo7HzMrxD8A8jnCO3JwzdwH8WRS/UC2Z5gK9tg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1682694521; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=oM9Ne/BJXvqFSmUSdYC1YSLRWLYqtdDWcH2FcfL/mL4=; b=9B9fiY/QmOWn59evwY62j4tmqgJuh6qotDqhBfTK7jPC5AS1LVawZ/j/+M9NLhWQXXdn0g PQfZPFmC0sosTmCg== To: linux-wireless@vger.kernel.org Cc: Jes Sorensen , Kalle Valo , Ping-Ke Shih , Bitterblue Smith , Sebastian Andrzej Siewior Subject: [PATCH v4 16/18] wifi: rtl8xxxu: Remove usage of tx_info->control.rates[0].flags Date: Fri, 28 Apr 2023 17:08:31 +0200 Message-Id: <20230428150833.218605-17-martin.kaistra@linutronix.de> In-Reply-To: <20230428150833.218605-1-martin.kaistra@linutronix.de> References: <20230428150833.218605-1-martin.kaistra@linutronix.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org As this driver uses HAS_RATE_CONTROL, rate_flags will not be provided by mac80211. Stop using tx_info->control.rates[0].flags and ieee80211_get_rts_cts_rate() and use rts_threshold and bss_conf.use_cts_prot instead to determine when to use RTS and CTS. Send RTS with 24M rate like the vendor drivers. Also set this RTS rate for ampdu_enable = true, because we also enable RTS for these frames. Signed-off-by: Martin Kaistra Reviewed-by: Ping-Ke Shih --- .../wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 40 +++++++++---------- 1 file changed, 20 insertions(+), 20 deletions(-) diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index a2cc9177fba49..aa430a912d822 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -5255,7 +5255,6 @@ rtl8xxxu_fill_txdesc_v1(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, u8 *qc = ieee80211_get_qos_ctl(hdr); u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; u32 rate = 0; - u16 rate_flags = tx_info->control.rates[0].flags; u16 seq_number; if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX) @@ -5296,10 +5295,10 @@ rtl8xxxu_fill_txdesc_v1(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled */ tx_desc->txdw4 |= cpu_to_le32(rts_rate << TXDESC32_RTS_RATE_SHIFT); - if (ampdu_enable || (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS)) { + if (ampdu_enable || tx_info->control.use_rts) { tx_desc->txdw4 |= cpu_to_le32(TXDESC32_RTS_CTS_ENABLE); tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); - } else if (rate_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { + } else if (tx_info->control.use_cts_prot) { tx_desc->txdw4 |= cpu_to_le32(TXDESC32_CTS_SELF_ENABLE); tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); } @@ -5322,7 +5321,6 @@ rtl8xxxu_fill_txdesc_v2(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, u8 *qc = ieee80211_get_qos_ctl(hdr); u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; u32 rate = 0; - u16 rate_flags = tx_info->control.rates[0].flags; u16 seq_number; tx_desc40 = (struct rtl8xxxu_txdesc40 *)tx_desc32; @@ -5363,13 +5361,14 @@ rtl8xxxu_fill_txdesc_v2(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, tx_desc40->txdw5 |= cpu_to_le32(TXDESC40_SHORT_PREAMBLE); tx_desc40->txdw4 |= cpu_to_le32(rts_rate << TXDESC40_RTS_RATE_SHIFT); + /* * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled */ - if (ampdu_enable || (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS)) { + if (ampdu_enable || tx_info->control.use_rts) { tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_RTS_CTS_ENABLE); tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_HW_RTS_ENABLE); - } else if (rate_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { + } else if (tx_info->control.use_cts_prot) { /* * For some reason the vendor driver doesn't set * TXDESC40_HW_RTS_ENABLE for CTS to SELF @@ -5396,7 +5395,6 @@ rtl8xxxu_fill_txdesc_v3(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, u8 *qc = ieee80211_get_qos_ctl(hdr); u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; u32 rate = 0; - u16 rate_flags = tx_info->control.rates[0].flags; u16 seq_number; seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); @@ -5451,10 +5449,10 @@ rtl8xxxu_fill_txdesc_v3(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled */ tx_desc->txdw4 |= cpu_to_le32(rts_rate << TXDESC32_RTS_RATE_SHIFT); - if (ampdu_enable || (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS)) { + if (ampdu_enable || tx_info->control.use_rts) { tx_desc->txdw4 |= cpu_to_le32(TXDESC32_RTS_CTS_ENABLE); tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); - } else if (rate_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { + } else if (tx_info->control.use_cts_prot) { tx_desc->txdw4 |= cpu_to_le32(TXDESC32_CTS_SELF_ENABLE); tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); } @@ -5478,7 +5476,6 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, struct device *dev = &priv->udev->dev; u32 queue, rts_rate; u16 pktlen = skb->len; - u16 rate_flag = tx_info->control.rates[0].flags; int tx_desc_size = priv->fops->tx_desc_size; u8 macid; int ret; @@ -5563,20 +5560,23 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, } } - if (rate_flag & IEEE80211_TX_RC_SHORT_GI || - (ieee80211_is_data_qos(hdr->frame_control) && - sta && sta->deflink.ht_cap.cap & - (IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20))) + if (ieee80211_is_data_qos(hdr->frame_control) && + sta && sta->deflink.ht_cap.cap & + (IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20)) sgi = true; - if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE || - (sta && vif && vif->bss_conf.use_short_preamble)) + if (sta && vif && vif->bss_conf.use_short_preamble) short_preamble = true; - if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) - rts_rate = ieee80211_get_rts_cts_rate(hw, tx_info)->hw_value; - else if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) - rts_rate = ieee80211_get_rts_cts_rate(hw, tx_info)->hw_value; + if (skb->len > hw->wiphy->rts_threshold) + tx_info->control.use_rts = true; + + if (sta && vif && vif->bss_conf.use_cts_prot) + tx_info->control.use_cts_prot = true; + + if (ampdu_enable || tx_info->control.use_rts || + tx_info->control.use_cts_prot) + rts_rate = DESC_RATE_24M; else rts_rate = 0;