From patchwork Fri Sep 30 23:07:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 12996089 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 08602C433FE for ; Fri, 30 Sep 2022 23:37:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=ESuS85YGKs22BGzs7UY91ezzOpwdIemOOw147QVtRUg=; b=i6rOtWrCA9bM3ZyBFiPGDn6V/a L5bDV7+LPaQnlJPwd5WXA/u7BgOQfW3ULVnbVAFupRMsU7SGo/lsQhw1kyJh5A0JA4e1ceCexhIEC Y3QRkaM/Qyqwkq2A/0t/3Qn1zANpUD1UueQlgyPHtLzO8/iNrHcog/LnaigoB3MFIkQzvv/xFgGlg 7oP/7xkgYQQ5xF5aJNMgivllou650fOcnfp9rKDXjuA6PrQ8yXoS2WRmIJwAKYvyHnwzcJKdOmRXy h1RY1E87Sj1wyrxMzUo8/KFMfAsRY86w2Z4rj+8ngdcKrpA1glFZdUyUEtr4HLokpF3bmCy92D/wq +zhavRHA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oePZf-00C7dw-Kk; Fri, 30 Sep 2022 23:37:43 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oePZd-00C7cv-Rq for linux-mediatek@lists.infradead.org; Fri, 30 Sep 2022 23:37:43 +0000 X-UUID: 15b93553cc8245eebb20bf4e93b13116-20220930 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=ESuS85YGKs22BGzs7UY91ezzOpwdIemOOw147QVtRUg=; b=u4YwqBNFeBuDd9hBu4QYHhnt5gtXds5t+hPp0QU+hd4zPb/sD+E65KgvaW4OY3xl2tlfh089cZxBJArazxXHwxRG63SPbU694FukDDgf8u7ZMU0FFEFMGN0b2lDa9VzqeqmXFmQXs5VrV9BzTqIOQmLl0h7wZfQhNCt37ob2S8Y=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.11,REQID:11e778aa-d37e-45b5-811e-ca955821423d,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:39a5ff1,CLOUDID:adca9e07-1cee-4c38-b21b-a45f9682fdc0,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: 15b93553cc8245eebb20bf4e93b13116-20220930 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 995598230; Fri, 30 Sep 2022 16:37:32 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Sat, 1 Oct 2022 07:07:28 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Sat, 1 Oct 2022 07:07:28 +0800 From: Ryder Lee To: Felix Fietkau , CC: Lorenzo Bianconi , Shayne Chen , Evelyn Tsai , , Ryder Lee Subject: [PATCH] wifi: mt76: mt7915: fix mt7915_mac_set_timing() Date: Sat, 1 Oct 2022 07:07:26 +0800 Message-ID: <745d9c4b5c4b7395395025a8dcb5ce68cf360383.1664578145.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-20220930_163741_926808_2F097C1E X-CRM114-Status: UNSURE ( 9.53 ) X-CRM114-Notice: Please train this message. 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 Correct mac timiing settings for different hardware generations. This improves 40-60Mbps performance. Fixes: 9aac2969fe5f ("mt76: mt7915: update mac timing settings") Reported-By: Carson Vandegriffe Tested-by: Chad Monroe Signed-off-by: Ryder Lee --- drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index be97dede2634..09f0fab7c958 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -1149,7 +1149,7 @@ void mt7915_mac_set_timing(struct mt7915_phy *phy) FIELD_PREP(MT_TIMEOUT_VAL_CCA, 48); u32 ofdm = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 60) | FIELD_PREP(MT_TIMEOUT_VAL_CCA, 28); - int offset; + int eifs_ofdm = 360, sifs = 10, offset; bool a_band = !(phy->mt76->chandef.chan->band == NL80211_BAND_2GHZ); if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state)) @@ -1167,6 +1167,18 @@ void mt7915_mac_set_timing(struct mt7915_phy *phy) reg_offset = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, offset) | FIELD_PREP(MT_TIMEOUT_VAL_CCA, offset); + if (!is_mt7915(&dev->mt76)) { + if (!a_band) { + mt76_wr(dev, MT_TMAC_ICR1(phy->band_idx), + FIELD_PREP(MT_IFS_EIFS_CCK, 314)); + eifs_ofdm = 78; + } else { + eifs_ofdm = 84; + } + } else if (a_band) { + sifs = 16; + } + mt76_wr(dev, MT_TMAC_CDTR(phy->band_idx), cck + reg_offset); mt76_wr(dev, MT_TMAC_ODTR(phy->band_idx), ofdm + reg_offset); mt76_wr(dev, MT_TMAC_ICR0(phy->band_idx), @@ -1175,9 +1187,6 @@ void mt7915_mac_set_timing(struct mt7915_phy *phy) FIELD_PREP(MT_IFS_SIFS, 10) | FIELD_PREP(MT_IFS_SLOT, phy->slottime)); - mt76_wr(dev, MT_TMAC_ICR1(phy->band_idx), - FIELD_PREP(MT_IFS_EIFS_CCK, 314)); - if (phy->slottime < 20 || a_band) val = MT7915_CFEND_RATE_DEFAULT; else