From patchwork Wed Jun 9 15:13:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 12310445 X-Patchwork-Delegate: nbd@nbd.name 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=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 9591CC48BCF for ; Wed, 9 Jun 2021 15:14:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D50B611CC for ; Wed, 9 Jun 2021 15:14:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231509AbhFIPQD (ORCPT ); Wed, 9 Jun 2021 11:16:03 -0400 Received: from mail.kernel.org ([198.145.29.99]:44660 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233486AbhFIPQC (ORCPT ); Wed, 9 Jun 2021 11:16:02 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B841B60E0B; Wed, 9 Jun 2021 15:14:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623251647; bh=F02YCRxZBTjIvd1BvzZ4xcAS4hUNYSlEeTxDGudoenA=; h=From:To:Cc:Subject:Date:From; b=VdYQPtGURvWT0Ekdy85+n7tzkpj32dyWlb2LVZ3V12OcRzvO2JMZHmPQXAZfcZrFV LMWjwr2xQu104G0rj2XH40Vt7tK5sUCaH7kuEW5bEA72PsPUPDC2+KVmCZlm7t4G37 zcR5pDrZrgS0og4++2q6u97Xm8noEyuYB18O3p4IaOtt9jgXFAqcYm41QPAhBGs15G DoIhLJPagpNAskhGi/JIZEaQZ/ZXhRj2O6XofdARjtk42AVNRtVxjk2ObJ6S4Y7GlH KmhK9nENe2gzZP5t9KawymoQRbqRA2RfnU9ps4liokFJywv+OB8UuV/vbX6CU5uuYW uoh0r50PU0xQQ== From: Lorenzo Bianconi To: nbd@nbd.name Cc: lorenzo.bianconi@redhat.com, linux-wireless@vger.kernel.org, deren.wu@mediatek.com, sean.wang@mediatek.com, ryder.lee@mediatek.com Subject: [PATCH] mt76: reduce rx buffer size to 2048 Date: Wed, 9 Jun 2021 17:13:58 +0200 Message-Id: <53e6938fa1b938a6c1753ed2bd3a5df4fb198482.1623251404.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Reduce rx buffer size to 2048 for mt7921/mt7915/mt7615 since we now support rx amsdu offload Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/mt7615/dma.c | 9 ++------- drivers/net/wireless/mediatek/mt76/mt7915/dma.c | 12 +++++------- drivers/net/wireless/mediatek/mt76/mt7921/dma.c | 8 +++----- 3 files changed, 10 insertions(+), 19 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c index b6184234cad2..00aefea1bf61 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c @@ -222,14 +222,9 @@ void mt7615_dma_start(struct mt7615_dev *dev) int mt7615_dma_init(struct mt7615_dev *dev) { int rx_ring_size = MT7615_RX_RING_SIZE; - int rx_buf_size = MT_RX_BUF_SIZE; u32 mask; int ret; - /* Increase buffer size to receive large VHT MPDUs */ - if (dev->mphy.cap.has_5ghz) - rx_buf_size *= 2; - mt76_dma_attach(&dev->mt76); mt76_wr(dev, MT_WPDMA_GLO_CFG, @@ -270,7 +265,7 @@ int mt7615_dma_init(struct mt7615_dev *dev) /* init rx queues */ ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU], 1, - MT7615_RX_MCU_RING_SIZE, rx_buf_size, + MT7615_RX_MCU_RING_SIZE, MT_RX_BUF_SIZE, MT_RX_RING_BASE); if (ret) return ret; @@ -279,7 +274,7 @@ int mt7615_dma_init(struct mt7615_dev *dev) rx_ring_size /= 2; ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN], 0, - rx_ring_size, rx_buf_size, MT_RX_RING_BASE); + rx_ring_size, MT_RX_BUF_SIZE, MT_RX_RING_BASE); if (ret) return ret; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c index 69a7e3dce113..9182568f95c7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c @@ -79,8 +79,6 @@ void mt7915_dma_prefetch(struct mt7915_dev *dev) int mt7915_dma_init(struct mt7915_dev *dev) { - /* Increase buffer size to receive large VHT/HE MPDUs */ - int rx_buf_size = MT_RX_BUF_SIZE * 2; u32 hif1_ofs = 0; int ret; @@ -144,28 +142,28 @@ int mt7915_dma_init(struct mt7915_dev *dev) /* event from WM */ ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU], MT7915_RXQ_MCU_WM, MT7915_RX_MCU_RING_SIZE, - rx_buf_size, MT_RX_EVENT_RING_BASE); + MT_RX_BUF_SIZE, MT_RX_EVENT_RING_BASE); if (ret) return ret; /* event from WA */ ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA], MT7915_RXQ_MCU_WA, MT7915_RX_MCU_RING_SIZE, - rx_buf_size, MT_RX_EVENT_RING_BASE); + MT_RX_BUF_SIZE, MT_RX_EVENT_RING_BASE); if (ret) return ret; /* rx data queue */ ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN], MT7915_RXQ_BAND0, MT7915_RX_RING_SIZE, - rx_buf_size, MT_RX_DATA_RING_BASE); + MT_RX_BUF_SIZE, MT_RX_DATA_RING_BASE); if (ret) return ret; if (dev->dbdc_support) { ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_EXT], MT7915_RXQ_BAND1, MT7915_RX_RING_SIZE, - rx_buf_size, + MT_RX_BUF_SIZE, MT_RX_DATA_RING_BASE + hif1_ofs); if (ret) return ret; @@ -174,7 +172,7 @@ int mt7915_dma_init(struct mt7915_dev *dev) ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_EXT_WA], MT7915_RXQ_MCU_WA_EXT, MT7915_RX_MCU_RING_SIZE, - rx_buf_size, + MT_RX_BUF_SIZE, MT_RX_EVENT_RING_BASE + hif1_ofs); if (ret) return ret; diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c index 5e745e9c2185..7d7d43a5422f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c @@ -380,9 +380,7 @@ int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev) int mt7921_dma_init(struct mt7921_dev *dev) { - /* Increase buffer size to receive large VHT/HE MPDUs */ struct mt76_bus_ops *bus_ops; - int rx_buf_size = MT_RX_BUF_SIZE * 2; int ret; dev->bus_ops = dev->mt76.bus; @@ -430,7 +428,7 @@ int mt7921_dma_init(struct mt7921_dev *dev) ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU], MT7921_RXQ_MCU_WM, MT7921_RX_MCU_RING_SIZE, - rx_buf_size, MT_RX_EVENT_RING_BASE); + MT_RX_BUF_SIZE, MT_RX_EVENT_RING_BASE); if (ret) return ret; @@ -438,14 +436,14 @@ int mt7921_dma_init(struct mt7921_dev *dev) ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA], MT7921_RXQ_MCU_WM, MT7921_RX_MCU_RING_SIZE, - rx_buf_size, MT_WFDMA0(0x540)); + MT_RX_BUF_SIZE, MT_WFDMA0(0x540)); if (ret) return ret; /* rx data */ ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN], MT7921_RXQ_BAND0, MT7921_RX_RING_SIZE, - rx_buf_size, MT_RX_DATA_RING_BASE); + MT_RX_BUF_SIZE, MT_RX_DATA_RING_BASE); if (ret) return ret;