From patchwork Wed May 1 14:06:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 10925137 X-Patchwork-Delegate: nbd@nbd.name Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 74BAF912 for ; Wed, 1 May 2019 14:06:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 62C2228B25 for ; Wed, 1 May 2019 14:06:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 55F2128BAA; Wed, 1 May 2019 14:06:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DC7A728B25 for ; Wed, 1 May 2019 14:06:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726497AbfEAOGc (ORCPT ); Wed, 1 May 2019 10:06:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:34568 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726418AbfEAOGb (ORCPT ); Wed, 1 May 2019 10:06:31 -0400 Received: from localhost.localdomain (unknown [151.66.22.155]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9B4FB21743; Wed, 1 May 2019 14:06:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556719590; bh=YaixU8dB/mnDiuJ+ngfAeF9wmO27MDdGQ+9sQej3xqE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sCRiOQ537ae3gRknJNL9LmQj/GZL3OkNNQZITHGWhqyk0knXtGj28UnY32bPv8LRs KH5r6Cp1NuIae2XQJ/Ua/IS37fAxo1q1P9ir+vEIus7pn2WFKmIPYq28/ahqaE/VRU PTacxiIQ5fvIdIpPjMxMso1RqVa4+NCB5CiAKifU= From: Lorenzo Bianconi To: nbd@nbd.name Cc: lorenzo.bianconi@redhat.com, linux-wireless@vger.kernel.org, ryder.lee@mediatek.com Subject: [PATCH 1/4] mt76: move tx_napi in mt76_dev Date: Wed, 1 May 2019 16:06:20 +0200 Message-Id: <284811c334edea1ec795d485b76cea928e0914d2.1556718795.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Move tx_napi in mt76_dev data structure in order to implement concurrency between tx scheduling and tx cleanup in mt7603 and mt7615 drivers Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/mt76.h | 1 + drivers/net/wireless/mediatek/mt76/mt76x02.h | 1 - .../net/wireless/mediatek/mt76/mt76x02_mmio.c | 19 ++++++++++--------- 3 files changed, 11 insertions(+), 10 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 8ecbf81a906f..fc4169c83e76 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -452,6 +452,7 @@ struct mt76_dev { int tx_dma_idx[4]; struct tasklet_struct tx_tasklet; + struct napi_struct tx_napi; struct delayed_work mac_work; wait_queue_head_t tx_wait; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02.h b/drivers/net/wireless/mediatek/mt76/mt76x02.h index 687bd14b2d77..f7fd53a1738a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x02.h @@ -90,7 +90,6 @@ struct mt76x02_dev { struct sk_buff *rx_head; - struct napi_struct tx_napi; struct delayed_work cal_work; struct delayed_work wdt_work; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c index 7b7163bc3b62..617934565818 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c @@ -166,7 +166,8 @@ static void mt76x02_tx_tasklet(unsigned long data) static int mt76x02_poll_tx(struct napi_struct *napi, int budget) { - struct mt76x02_dev *dev = container_of(napi, struct mt76x02_dev, tx_napi); + struct mt76x02_dev *dev = container_of(napi, struct mt76x02_dev, + mt76.tx_napi); int i; mt76x02_mac_poll_tx_status(dev, false); @@ -245,9 +246,9 @@ int mt76x02_dma_init(struct mt76x02_dev *dev) if (ret) return ret; - netif_tx_napi_add(&dev->mt76.napi_dev, &dev->tx_napi, mt76x02_poll_tx, - NAPI_POLL_WEIGHT); - napi_enable(&dev->tx_napi); + netif_tx_napi_add(&dev->mt76.napi_dev, &dev->mt76.tx_napi, + mt76x02_poll_tx, NAPI_POLL_WEIGHT); + napi_enable(&dev->mt76.tx_napi); return 0; } @@ -303,7 +304,7 @@ irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance) if (intr & (MT_INT_TX_STAT | MT_INT_TX_DONE_ALL)) { mt76x02_irq_disable(dev, MT_INT_TX_DONE_ALL); - napi_schedule(&dev->tx_napi); + napi_schedule(&dev->mt76.tx_napi); } if (intr & MT_INT_GPTIMER) { @@ -334,7 +335,7 @@ static void mt76x02_dma_enable(struct mt76x02_dev *dev) void mt76x02_dma_cleanup(struct mt76x02_dev *dev) { tasklet_kill(&dev->mt76.tx_tasklet); - netif_napi_del(&dev->tx_napi); + netif_napi_del(&dev->mt76.tx_napi); mt76_dma_cleanup(&dev->mt76); } EXPORT_SYMBOL_GPL(mt76x02_dma_cleanup); @@ -454,7 +455,7 @@ static void mt76x02_watchdog_reset(struct mt76x02_dev *dev) tasklet_disable(&dev->mt76.pre_tbtt_tasklet); tasklet_disable(&dev->mt76.tx_tasklet); - napi_disable(&dev->tx_napi); + napi_disable(&dev->mt76.tx_napi); for (i = 0; i < ARRAY_SIZE(dev->mt76.napi); i++) napi_disable(&dev->mt76.napi[i]); @@ -508,8 +509,8 @@ static void mt76x02_watchdog_reset(struct mt76x02_dev *dev) clear_bit(MT76_RESET, &dev->mt76.state); tasklet_enable(&dev->mt76.tx_tasklet); - napi_enable(&dev->tx_napi); - napi_schedule(&dev->tx_napi); + napi_enable(&dev->mt76.tx_napi); + napi_schedule(&dev->mt76.tx_napi); tasklet_enable(&dev->mt76.pre_tbtt_tasklet);