From patchwork Fri Aug 13 02:32:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 12434601 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=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 D6494C4338F for ; Fri, 13 Aug 2021 02:33:02 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8AB9B60F35 for ; Fri, 13 Aug 2021 02:33:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 8AB9B60F35 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=N1u7JdEBPxKDFK2aQh7I63EaGQjuzdKLJILycIkTt/I=; b=L4UH/rEUPIBUkr CtZ4XGd4pP5ecT2Ec0ztGSnq1W7mAnhaFFq6kYkhJdreb74BhaXQIV2PWk0X+gvqG7Mov8X5nrSTJ dpgiYlJlMfcip7NoT0wYbWpQq2TA1Vvwvn0evfr4utwY5My0D+wBvqMBf96cHUo7mqqS267MrKyil cyu/9BZRpHL4rgGG//Nw765+877vDobbFYRndXdSjC3LItTGjeePRp2Q4MyarnT3dEMzf7UJBHNxF x2bk5ICiTOxYcbQ32ZXWlrNKEP6P3f/PckOYA+4aFD7UxLKWgfG1s4MYCU7yF/M270E435gq7dLHf qsDvwLgd8DvUGcKa02QQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mEN02-00Bal3-35; Fri, 13 Aug 2021 02:32:46 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mEMzw-00Bajp-Vw for linux-mediatek@lists.infradead.org; Fri, 13 Aug 2021 02:32:44 +0000 X-UUID: d5aa438a166646a2b217e4e094fb835a-20210812 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=Q/nCkK9W2Ptx14jpsjy68BGIkFhZnxtWRNyDMuVIW4g=; b=L0aZaCrJfecevVgP1IKW5cx+ZA78oMLL0pTdu+t4f/dwHSLWGZNE4XVUup29cgCwPg+r5VtuCnDPWA2IWAbTD9OnXPZELX4XkJiOE4KrfEoHvd/xJgkQVxuscpsonh9FnUF0wnOFZKffICg+yQRMAIZKsiiRC9I4yCS0Ve9kFdo=; X-UUID: d5aa438a166646a2b217e4e094fb835a-20210812 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1645268339; Thu, 12 Aug 2021 19:32:37 -0700 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 12 Aug 2021 19:32:35 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 13 Aug 2021 10:32:34 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 13 Aug 2021 10:32:34 +0800 From: Ryder Lee To: Felix Fietkau CC: Lorenzo Bianconi , Shayne Chen , Evelyn Tsai , , , "Ryder Lee" Subject: [PATCH v2 1/3] mt76: mt7915: remove mt7915_mcu_add_he() Date: Fri, 13 Aug 2021 10:32:31 +0800 Message-ID: <1c3fc7ff6d5ab129a58160cd878787d9fbeba9c2.1628821139.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210812_193241_080737_B19CC889 X-CRM114-Status: GOOD ( 12.20 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Make mt7915_mcu_sta_he_tlv() as a part of mt7915_mcu_add_rate_ctrl() as firmware rate control should get HE rate information from sta_rec_he, and reduce a global function accordingly. Signed-off-by: Ryder Lee --- .../net/wireless/mediatek/mt76/mt7915/mac.c | 6 +-- .../net/wireless/mediatek/mt76/mt7915/mcu.c | 45 +++++++------------ .../wireless/mediatek/mt76/mt7915/mt7915.h | 4 +- 3 files changed, 19 insertions(+), 36 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index 667ccb2dab78..5349736eac73 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -1933,10 +1933,8 @@ void mt7915_mac_sta_rc_work(struct work_struct *work) if (changed & (IEEE80211_RC_SUPP_RATES_CHANGED | IEEE80211_RC_NSS_CHANGED | - IEEE80211_RC_BW_CHANGED)) { - mt7915_mcu_add_he(dev, vif, sta); - mt7915_mcu_add_rate_ctrl(dev, vif, sta); - } + IEEE80211_RC_BW_CHANGED)) + mt7915_mcu_add_rate_ctrl(dev, vif, sta, true); if (changed & IEEE80211_RC_SMPS_CHANGED) mt7915_mcu_add_smps(dev, vif, sta); diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 030d6fba59e9..028ee5bb0532 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -2141,41 +2141,27 @@ mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev, } int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif, - struct ieee80211_sta *sta) -{ - struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; - struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; - struct sk_buff *skb; - int len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_ra); - - skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len); - if (IS_ERR(skb)) - return PTR_ERR(skb); - - mt7915_mcu_sta_rate_ctrl_tlv(skb, dev, vif, sta); - - return mt76_mcu_skb_send_msg(&dev->mt76, skb, - MCU_EXT_CMD(STA_REC_UPDATE), true); -} - -int mt7915_mcu_add_he(struct mt7915_dev *dev, struct ieee80211_vif *vif, - struct ieee80211_sta *sta) + struct ieee80211_sta *sta, bool changed) { struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; struct sk_buff *skb; int len; - if (!sta->he_cap.has_he) - return 0; - - len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_he); - + len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_ra) + + sizeof(struct sta_rec_he); skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len); if (IS_ERR(skb)) return PTR_ERR(skb); - mt7915_mcu_sta_he_tlv(skb, sta); + /* firmware rate control algorithm refers to sta_rec_he for HE rate + * control, so when dev->rc_work changes the settings driver should + * update sta_rec_he here as well. + */ + if (sta->he_cap.has_he && changed) + mt7915_mcu_sta_he_tlv(skb, sta); + + mt7915_mcu_sta_rate_ctrl_tlv(skb, dev, vif, sta); return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_EXT_CMD(STA_REC_UPDATE), true); @@ -2214,7 +2200,7 @@ mt7915_mcu_add_mu(struct mt7915_dev *dev, struct ieee80211_vif *vif, struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; struct sk_buff *skb; - int ret; + int len, ret; if (!sta->vht_cap.vht_supported && !sta->he_cap.has_he) return 0; @@ -2223,8 +2209,9 @@ mt7915_mcu_add_mu(struct mt7915_dev *dev, struct ieee80211_vif *vif, if (ret) return ret; - skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, - MT7915_STA_UPDATE_MAX_SIZE); + len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_muru) + + sizeof(struct sta_rec_vht); + skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len); if (IS_ERR(skb)) return PTR_ERR(skb); @@ -2256,7 +2243,7 @@ int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif, if (ret) return ret; - return mt7915_mcu_add_rate_ctrl(dev, vif, sta); + return mt7915_mcu_add_rate_ctrl(dev, vif, sta, false); } int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif, diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index 1f5065ed6a59..f842452af897 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -324,9 +324,7 @@ int mt7915_mcu_add_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif, int mt7915_mcu_add_obss_spr(struct mt7915_dev *dev, struct ieee80211_vif *vif, bool enable); int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif, - struct ieee80211_sta *sta); -int mt7915_mcu_add_he(struct mt7915_dev *dev, struct ieee80211_vif *vif, - struct ieee80211_sta *sta); + struct ieee80211_sta *sta, bool changed); int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta); int mt7915_set_channel(struct mt7915_phy *phy); From patchwork Fri Aug 13 02:32:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 12434603 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=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 A8BB2C432BE for ; Fri, 13 Aug 2021 02:33:04 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6852D60FC4 for ; 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Thu, 12 Aug 2021 19:32:37 -0700 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 12 Aug 2021 19:32:36 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 13 Aug 2021 10:32:34 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 13 Aug 2021 10:32:34 +0800 From: Ryder Lee To: Felix Fietkau CC: Lorenzo Bianconi , Shayne Chen , Evelyn Tsai , , , "Ryder Lee" Subject: [PATCH v2 2/3] mt76: mt7915: rework .set_bitrate_mask() to support more options Date: Fri, 13 Aug 2021 10:32:32 +0800 Message-ID: <4b6784457d6d08ea405cd2db70e39d5f56e39e1d.1628821139.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <1c3fc7ff6d5ab129a58160cd878787d9fbeba9c2.1628821139.git.ryder.lee@mediatek.com> References: <1c3fc7ff6d5ab129a58160cd878787d9fbeba9c2.1628821139.git.ryder.lee@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210812_193241_823359_58936E99 X-CRM114-Status: GOOD ( 21.95 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org With this patch, driver can support single rate, (HE)GI and HE_LTF configuration through .set_bitrate_mask(). Tested-by: MeiChia Chiu Signed-off-by: Ryder Lee --- v2: fix an enum warning --- .../net/wireless/mediatek/mt76/mt7915/mac.c | 2 +- .../net/wireless/mediatek/mt76/mt7915/main.c | 32 ++-- .../net/wireless/mediatek/mt76/mt7915/mcu.c | 148 +++++++++++++++++- .../net/wireless/mediatek/mt76/mt7915/mcu.h | 16 +- .../wireless/mediatek/mt76/mt7915/mt7915.h | 5 + 5 files changed, 175 insertions(+), 28 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index 5349736eac73..0ed86cbf722b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -101,7 +101,7 @@ bool mt7915_mac_wtbl_update(struct mt7915_dev *dev, int idx, u32 mask) 0, 5000); } -static u32 mt7915_mac_wtbl_lmac_addr(struct mt7915_dev *dev, u16 wcid, u8 dw) +u32 mt7915_mac_wtbl_lmac_addr(struct mt7915_dev *dev, u16 wcid, u8 dw) { mt76_wr(dev, MT_WTBLON_TOP_WDUCR, FIELD_PREP(MT_WTBLON_TOP_WDUCR_GROUP, (wcid >> 7))); diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index 20b47ac33083..9f9ad3a75122 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -172,6 +172,9 @@ static void mt7915_init_bitrate_mask(struct ieee80211_vif *vif) int i; for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) { + mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI; + mvif->bitrate_mask.control[i].he_gi = GENMASK(7, 0); + mvif->bitrate_mask.control[i].he_ltf = GENMASK(7, 0); mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0); memset(mvif->bitrate_mask.control[i].ht_mcs, GENMASK(7, 0), sizeof(mvif->bitrate_mask.control[i].ht_mcs)); @@ -952,7 +955,6 @@ static void mt7915_sta_rc_work(void *data, struct ieee80211_sta *sta) { struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; struct mt7915_dev *dev = msta->vif->phy->dev; - struct ieee80211_hw *hw = msta->vif->phy->mt76->hw; u32 *changed = data; spin_lock_bh(&dev->sta_poll_lock); @@ -960,8 +962,6 @@ static void mt7915_sta_rc_work(void *data, struct ieee80211_sta *sta) if (list_empty(&msta->rc_list)) list_add_tail(&msta->rc_list, &dev->sta_rc_list); spin_unlock_bh(&dev->sta_poll_lock); - - ieee80211_queue_work(hw, &dev->rc_work); } static void mt7915_sta_rc_update(struct ieee80211_hw *hw, @@ -969,7 +969,11 @@ static void mt7915_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u32 changed) { + struct mt7915_phy *phy = mt7915_hw_phy(hw); + struct mt7915_dev *dev = phy->dev; + mt7915_sta_rc_work(&changed, sta); + ieee80211_queue_work(hw, &dev->rc_work); } static int @@ -977,22 +981,22 @@ mt7915_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, const struct cfg80211_bitrate_mask *mask) { struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; - enum nl80211_band band = mvif->phy->mt76->chandef.chan->band; - u32 changed; - - if (mask->control[band].gi == NL80211_TXRATE_FORCE_LGI) - return -EINVAL; + struct mt7915_phy *phy = mt7915_hw_phy(hw); + struct mt7915_dev *dev = phy->dev; + u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED; - changed = IEEE80211_RC_SUPP_RATES_CHANGED; mvif->bitrate_mask = *mask; - /* Update firmware rate control to add a boundary on top of table - * to limit the rate selection for each peer, so when set bitrates - * vht-mcs-5 1:9, which actually means nss = 1 mcs = 0~9. This only - * applies to data frames as for the other mgmt, mcast, bcast still - * use legacy rates as it is. + /* if multiple rates across different preambles are given we can + * reconfigure this info with all peers using sta_rec command with + * the below exception cases. + * - single rate : if a rate is passed along with different preambles, + * we select the highest one as fixed rate. i.e VHT MCS for VHT peers. + * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT + * then multiple MCS setting (MCS 4,5,6) is not supported. */ ieee80211_iterate_stations_atomic(hw, mt7915_sta_rc_work, &changed); + ieee80211_queue_work(hw, &dev->rc_work); return 0; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 028ee5bb0532..74f08e1c2f55 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -2042,6 +2042,128 @@ mt7915_mcu_add_txbf(struct mt7915_dev *dev, struct ieee80211_vif *vif, return 0; } +int mt7915_mcu_set_fixed_rate_ctrl(struct mt7915_dev *dev, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + void *data, u32 field) +{ + struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; + struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; + struct sta_phy *phy = data; + struct sta_rec_ra_fixed *ra; + struct sk_buff *skb; + struct tlv *tlv; + int len = sizeof(struct sta_req_hdr) + sizeof(*ra); + + skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len); + if (IS_ERR(skb)) + return PTR_ERR(skb); + + tlv = mt7915_mcu_add_tlv(skb, STA_REC_RA_UPDATE, sizeof(*ra)); + ra = (struct sta_rec_ra_fixed *)tlv; + + switch (field) { + case RATE_PARAM_AUTO: + break; + case RATE_PARAM_FIXED_MCS: + case RATE_PARAM_FIXED_GI: + case RATE_PARAM_FIXED_HE_LTF: + ra->phy = *phy; + break; + default: + break; + } + ra->field = cpu_to_le32(field); + + return mt76_mcu_skb_send_msg(&dev->mt76, skb, + MCU_EXT_CMD(STA_REC_UPDATE), true); +} + +static int +mt7915_mcu_add_rate_ctrl_fixed(struct mt7915_dev *dev, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; + struct cfg80211_chan_def *chandef = &mvif->phy->mt76->chandef; + struct cfg80211_bitrate_mask *mask = &mvif->bitrate_mask; + enum nl80211_band band = chandef->chan->band; + struct sta_phy phy = {}; + int ret, nrates; + +#define __sta_phy_bitrate_mask_set(_mcs, _gi, _he) \ + do { \ + u8 i, gi = mask->control[band]._gi; \ + gi = (_he) ? gi : gi == NL80211_TXRATE_FORCE_SGI; \ + for (i = 0; i <= sta->bandwidth; i++) { \ + phy.sgi |= gi << (i << (_he)); \ + phy.he_ltf |= mask->control[band].he_ltf << (i << (_he));\ + } \ + for (i = 0; i < ARRAY_SIZE(mask->control[band]._mcs); i++) \ + nrates += hweight16(mask->control[band]._mcs[i]); \ + phy.mcs = ffs(mask->control[band]._mcs[0]) - 1; \ + } while (0) + + if (sta->he_cap.has_he) { + __sta_phy_bitrate_mask_check(he_mcs, he_gi, 1); + } else if (sta->vht_cap.vht_supported) { + __sta_phy_bitrate_mask_check(vht_mcs, gi, 0); + } else if (sta->ht_cap.ht_supported) { + __sta_phy_bitrate_mask_check(ht_mcs, gi, 0); + } else { + nrates = hweight32(mask->control[band].legacy); + phy.mcs = ffs(mask->control[band].legacy) - 1; + } +#undef __sta_phy_bitrate_mask_check + + /* fall back to auto rate control */ + if (mask->control[band].gi == NL80211_TXRATE_DEFAULT_GI && + mask->control[band].he_gi == GENMASK(7, 0) && + mask->control[band].he_ltf == GENMASK(7, 0) && + nrates != 1) + return 0; + + /* fixed single rate */ + if (nrates == 1) { + ret = mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, &phy, + RATE_PARAM_FIXED_MCS); + if (ret) + return ret; + } + + /* fixed GI */ + if (mask->control[band].gi != NL80211_TXRATE_DEFAULT_GI || + mask->control[band].he_gi != GENMASK(7, 0)) { + struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; + u32 addr; + + /* firmware updates only TXCMD but doesn't take WTBL into + * account, so driver should update here to reflect the + * actual txrate hardware sends out. + */ + addr = mt7915_mac_wtbl_lmac_addr(dev, msta->wcid.idx, 7); + if (sta->he_cap.has_he) + mt76_rmw_field(dev, addr, GENMASK(31, 24), phy.sgi); + else + mt76_rmw_field(dev, addr, GENMASK(15, 12), phy.sgi); + + ret = mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, &phy, + RATE_PARAM_FIXED_GI); + if (ret) + return ret; + } + + /* fixed HE_LTF */ + if (mask->control[band].he_ltf != GENMASK(7, 0)) { + ret = mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, &phy, + RATE_PARAM_FIXED_HE_LTF); + if (ret) + return ret; + } + + return 0; +} + static void mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) @@ -2084,8 +2206,6 @@ mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev, } if (sta->ht_cap.ht_supported) { - const u8 *mcs_mask = mask->control[band].ht_mcs; - ra->supp_mode |= MODE_HT; ra->af = sta->ht_cap.ampdu_factor; ra->ht_gf = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD); @@ -2103,12 +2223,12 @@ mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev, (sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING)) cap |= STA_CAP_LDPC; - mt7915_mcu_set_sta_ht_mcs(sta, ra->ht_mcs, mcs_mask); + mt7915_mcu_set_sta_ht_mcs(sta, ra->ht_mcs, + mask->control[band].ht_mcs); ra->supp_ht_mcs = *(__le32 *)ra->ht_mcs; } if (sta->vht_cap.vht_supported) { - const u16 *mcs_mask = mask->control[band].vht_mcs; u8 af; ra->supp_mode |= MODE_VHT; @@ -2129,7 +2249,8 @@ mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev, (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC)) cap |= STA_CAP_VHT_LDPC; - mt7915_mcu_set_sta_vht_mcs(sta, ra->supp_vht_mcs, mcs_mask); + mt7915_mcu_set_sta_vht_mcs(sta, ra->supp_vht_mcs, + mask->control[band].vht_mcs); } if (sta->he_cap.has_he) { @@ -2146,7 +2267,7 @@ int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif, struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; struct sk_buff *skb; - int len; + int ret, len; len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_ra) + sizeof(struct sta_rec_he); @@ -2161,10 +2282,21 @@ int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif, if (sta->he_cap.has_he && changed) mt7915_mcu_sta_he_tlv(skb, sta); + /* sta_rec_ra accommodates BW, NSS and only MCS range format + * i.e 0-{7,8,9} for VHT. + */ mt7915_mcu_sta_rate_ctrl_tlv(skb, dev, vif, sta); - return mt76_mcu_skb_send_msg(&dev->mt76, skb, - MCU_EXT_CMD(STA_REC_UPDATE), true); + ret = mt76_mcu_skb_send_msg(&dev->mt76, skb, + MCU_EXT_CMD(STA_REC_UPDATE), true); + if (ret) + return ret; + + /* sta_rec_ra_fixed accommodates single rate, (HE)GI and HE_LTE, + * and updates as peer fixed rate parameters, which overrides + * sta_rec_ra and firmware rate control algorithm. + */ + return mt7915_mcu_add_rate_ctrl_fixed(dev, vif, sta); } static int diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h index 2b47cdf0fd17..64f06d4445fe 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h @@ -871,7 +871,7 @@ struct sta_rec_sec { struct sec_key key[2]; } __packed; -struct ra_phy { +struct sta_phy { u8 type; u8 flag; u8 stbc; @@ -915,7 +915,7 @@ struct sta_rec_ra { __le32 sta_cap; - struct ra_phy phy; + struct sta_phy phy; } __packed; struct sta_rec_ra_fixed { @@ -928,7 +928,7 @@ struct sta_rec_ra_fixed { u8 op_vht_rx_nss; u8 op_vht_rx_nss_type; - struct ra_phy phy; + struct sta_phy phy; u8 spe_en; u8 short_preamble; @@ -936,8 +936,14 @@ struct sta_rec_ra_fixed { u8 mmps_mode; } __packed; -#define RATE_PARAM_FIXED 3 -#define RATE_PARAM_AUTO 20 +enum { + RATE_PARAM_FIXED = 3, + RATE_PARAM_FIXED_HE_LTF = 7, + RATE_PARAM_FIXED_MCS, + RATE_PARAM_FIXED_GI = 11, + RATE_PARAM_AUTO = 20, +}; + #define RATE_CFG_MCS GENMASK(3, 0) #define RATE_CFG_NSS GENMASK(7, 4) #define RATE_CFG_GI GENMASK(11, 8) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index f842452af897..477a8621550a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -333,6 +333,10 @@ int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif); int mt7915_mcu_update_edca(struct mt7915_dev *dev, void *req); int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev, struct ieee80211_sta *sta, u32 rate); +int mt7915_mcu_set_fixed_rate_ctrl(struct mt7915_dev *dev, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + void *data, u32 field); int mt7915_mcu_set_eeprom(struct mt7915_dev *dev); int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset); int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band, bool enable, @@ -392,6 +396,7 @@ static inline void mt7915_irq_disable(struct mt7915_dev *dev, u32 mask) mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0); } +u32 mt7915_mac_wtbl_lmac_addr(struct mt7915_dev *dev, u16 wcid, u8 dw); bool mt7915_mac_wtbl_update(struct mt7915_dev *dev, int idx, u32 mask); void mt7915_mac_reset_counters(struct mt7915_phy *phy); void mt7915_mac_cca_stats_reset(struct mt7915_phy *phy); From patchwork Fri Aug 13 02:32:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 12434605 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=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 CEB97C4338F for ; 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Fri, 13 Aug 2021 10:32:34 +0800 From: Ryder Lee To: Felix Fietkau CC: Lorenzo Bianconi , Shayne Chen , Evelyn Tsai , , , "Ryder Lee" Subject: [PATCH v2 3/3] mt76: mt7915: rework debugfs fixed-rate knob Date: Fri, 13 Aug 2021 10:32:33 +0800 Message-ID: X-Mailer: git-send-email 2.18.0 In-Reply-To: <1c3fc7ff6d5ab129a58160cd878787d9fbeba9c2.1628821139.git.ryder.lee@mediatek.com> References: <1c3fc7ff6d5ab129a58160cd878787d9fbeba9c2.1628821139.git.ryder.lee@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210812_193244_980513_F4A01B6C X-CRM114-Status: GOOD ( 16.54 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Switch to use new mt7915_mcu_set_fixed_rate_ctrl(). Signed-off-by: Ryder Lee --- @Felix, please ignore the following one https://patchwork.kernel.org/project/linux-wireless/patch/c3fd9c4ea692f28e2eb78073fd8da7753199ba60.1628301616.git.ryder.lee@mediatek.com/ [3/4] mt76: mt7915: add HE-LTF into fixed rate command --- .../wireless/mediatek/mt76/mt7915/debugfs.c | 68 ++++++++++++++++--- .../net/wireless/mediatek/mt76/mt7915/mcu.c | 48 +------------ .../wireless/mediatek/mt76/mt7915/mt7915.h | 2 - 3 files changed, 61 insertions(+), 57 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c index d9d18f662039..e1cdfbe52199 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c @@ -365,19 +365,71 @@ int mt7915_init_debugfs(struct mt7915_dev *dev) #ifdef CONFIG_MAC80211_DEBUGFS /** per-station debugfs **/ -static int mt7915_sta_fixed_rate_set(void *data, u64 rate) +static ssize_t mt7915_sta_fixed_rate_set(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) { - struct ieee80211_sta *sta = data; + struct ieee80211_sta *sta = file->private_data; struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; - - /* usage: - * : see enum mt76_phy_type + struct mt7915_dev *dev = msta->vif->phy->dev; + struct ieee80211_vif *vif; + struct sta_phy phy = {}; + char buf[100]; + int ret; + u32 field; + u8 i, gi, he_ltf; + + if (count >= sizeof(buf)) + return -EINVAL; + + if (copy_from_user(buf, user_buf, count)) + return -EFAULT; + + if (count && buf[count - 1] == '\n') + buf[count - 1] = '\0'; + else + buf[count] = '\0'; + + /* Mode: CCK:0, OFDM:1, HT:2, GF:3, VHT:4, HE_SU:8, HE_ER:9 + * BW: BW20:0, BW40:1, BW80:2, BW160:3 + * NSS: VHT:1~4, HE:1~4, Others:Ignore + * MCS: CCK:0~4, OFDM:0~7, HT:0~32, VHT:0~9, HE_SU:0~11, HE_ER:0~2 + * GI: (HT/VHT) LGI:0, SGI:1; (HE) 0.8us:0, 1.6us:1, 3.2us:2 + * LDPC: Off:0, On:1 + * STBC: Off:0, On:1 + * HE_LTF: 1xLTF:0, 2xLTF:1, 4xLTF:2 */ - return mt7915_mcu_set_fixed_rate(msta->vif->phy->dev, sta, rate); + if (sscanf(buf, "%hhu %hhu %hhu %hhu %hhu %hhu %hhu %hhu", + &phy.type, &phy.bw, &phy.nss, &phy.mcs, &gi, + &phy.ldpc, &phy.stbc, &he_ltf) != 8) { + dev_warn(dev->mt76.dev, + "format: Mode BW NSS MCS (HE)GI LDPC STBC HE_LTF\n"); + field = RATE_PARAM_AUTO; + goto out; + } + + phy.ldpc = (phy.bw || phy.ldpc) * GENMASK(2, 0); + for (i = 0; i <= phy.bw; i++) { + phy.sgi |= gi << (i << sta->he_cap.has_he); + phy.he_ltf |= he_ltf << (i << sta->he_cap.has_he); + } + field = RATE_PARAM_FIXED; + +out: + vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv); + ret = mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, &phy, field); + if (ret) + return -EFAULT; + + return count; } -DEFINE_DEBUGFS_ATTRIBUTE(fops_fixed_rate, NULL, - mt7915_sta_fixed_rate_set, "%llx\n"); +static const struct file_operations fops_fixed_rate = { + .write = mt7915_sta_fixed_rate_set, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct dentry *dir) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 74f08e1c2f55..a21a3760c4fc 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -2065,6 +2065,7 @@ int mt7915_mcu_set_fixed_rate_ctrl(struct mt7915_dev *dev, switch (field) { case RATE_PARAM_AUTO: break; + case RATE_PARAM_FIXED: case RATE_PARAM_FIXED_MCS: case RATE_PARAM_FIXED_GI: case RATE_PARAM_FIXED_HE_LTF: @@ -2416,53 +2417,6 @@ int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif, MCU_EXT_CMD(STA_REC_UPDATE), true); } -int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev, - struct ieee80211_sta *sta, u32 rate) -{ - struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; - struct mt7915_vif *mvif = msta->vif; - struct sta_rec_ra_fixed *ra; - struct sk_buff *skb; - struct tlv *tlv; - int len = sizeof(struct sta_req_hdr) + sizeof(*ra); - - skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len); - if (IS_ERR(skb)) - return PTR_ERR(skb); - - tlv = mt7915_mcu_add_tlv(skb, STA_REC_RA_UPDATE, sizeof(*ra)); - ra = (struct sta_rec_ra_fixed *)tlv; - - if (!rate) { - ra->field = cpu_to_le32(RATE_PARAM_AUTO); - goto out; - } - - ra->field = cpu_to_le32(RATE_PARAM_FIXED); - ra->phy.type = FIELD_GET(RATE_CFG_PHY_TYPE, rate); - ra->phy.bw = FIELD_GET(RATE_CFG_BW, rate); - ra->phy.nss = FIELD_GET(RATE_CFG_NSS, rate); - ra->phy.mcs = FIELD_GET(RATE_CFG_MCS, rate); - ra->phy.stbc = FIELD_GET(RATE_CFG_STBC, rate); - - if (ra->phy.bw) - ra->phy.ldpc = 7; - else - ra->phy.ldpc = FIELD_GET(RATE_CFG_LDPC, rate) * 7; - - /* HT/VHT - SGI: 1, LGI: 0; HE - SGI: 0, MGI: 1, LGI: 2 */ - if (ra->phy.type > MT_PHY_TYPE_VHT) { - ra->phy.he_ltf = FIELD_GET(RATE_CFG_HE_LTF, rate) * 85; - ra->phy.sgi = FIELD_GET(RATE_CFG_GI, rate) * 85; - } else { - ra->phy.sgi = FIELD_GET(RATE_CFG_GI, rate) * 15; - } - -out: - return mt76_mcu_skb_send_msg(&dev->mt76, skb, - MCU_EXT_CMD(STA_REC_UPDATE), true); -} - int mt7915_mcu_add_dev_info(struct mt7915_phy *phy, struct ieee80211_vif *vif, bool enable) { diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index 477a8621550a..c0da97f2774c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -331,8 +331,6 @@ int mt7915_set_channel(struct mt7915_phy *phy); int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd); int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif); int mt7915_mcu_update_edca(struct mt7915_dev *dev, void *req); -int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev, - struct ieee80211_sta *sta, u32 rate); int mt7915_mcu_set_fixed_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta,