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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 D4AF7C43381 for ; Thu, 14 Mar 2019 13:54:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A582E2184C for ; Thu, 14 Mar 2019 13:54:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552571681; bh=mlMmmMyKHuL3VMu42oHB6X6zHr6a/ecP9eTwQyci600=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=QGDX3rEI4fyeC2BDM1wD7RKjuDhLIW+n1rBLiyueSIV0uCluSEc7fGURAQtsuahsv kGEPizSrW77cY2o2EiSjVtg5p+QEu2nh3WxsJrX3AgiGUnctp8C+0BXpSjyP/Sxz0G JXnh29RA6tn6U8tYB9J4HCSbB1UpeY68r+LjJc6k= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727493AbfCNNyk (ORCPT ); Thu, 14 Mar 2019 09:54:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:41118 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727479AbfCNNyk (ORCPT ); Thu, 14 Mar 2019 09:54:40 -0400 Received: from localhost.localdomain (unknown [151.66.48.245]) (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 3979E2184C; Thu, 14 Mar 2019 13:54:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552571679; bh=mlMmmMyKHuL3VMu42oHB6X6zHr6a/ecP9eTwQyci600=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yPakaoSb80yR9Qd+cNJ+/yPNxnt45rBWMElHctIOIU31M2aUOw+CpGAeZ+Gyexcuf uukl2czDFcOHpWG2l/iehcfHvC844P10QnoXRPrc40BwKMiSGQz4lwTo46DApsA89G MLFlFniHJb4ARMUhy8aZ/MrlhNQgqG/WwyJEc3U8= From: Lorenzo Bianconi To: nbd@nbd.name Cc: ryder.lee@mediatek.com, roychl666@gmail.com, linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com Subject: [PATCH v2 2/4] mt76: mmio: move mt76_insert_hdr_pad in mt76_dma_tx_queue_skb Date: Thu, 14 Mar 2019 14:54:10 +0100 Message-Id: <6857166af7d2dda13497f27c5412564a9403b431.1552570806.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Introduce tx_aligned4_skbs in mt76_driver_ops and move mt76_insert_hdr_pad in mt76_dma_tx_queue_skb. This is a preliminary patch in order to unify tx dma mapping for mt76x02 and new chipsets Signed-off-by: Felix Fietkau Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/dma.c | 3 +++ drivers/net/wireless/mediatek/mt76/mt76.h | 1 + drivers/net/wireless/mediatek/mt76/mt76x0/pci.c | 1 + drivers/net/wireless/mediatek/mt76/mt76x02_txrx.c | 10 +++++----- drivers/net/wireless/mediatek/mt76/mt76x2/pci.c | 1 + 5 files changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index fb1cc575e83f..33725b839983 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -300,6 +300,9 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, enum mt76_txq_id qid, } skb->prev = skb->next = NULL; + if (dev->drv->tx_aligned4_skbs) + mt76_insert_hdr_pad(skb); + dma_sync_single_for_cpu(dev->dev, t->dma_addr, sizeof(t->txwi), DMA_TO_DEVICE); ret = dev->drv->tx_prepare_skb(dev, &t->txwi, skb, qid, wcid, sta, diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index c8ab74ae243e..48d3c03e46a7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -288,6 +288,7 @@ struct mt76_hw_cap { }; struct mt76_driver_ops { + bool tx_aligned4_skbs; u16 txwi_size; void (*update_survey)(struct mt76_dev *dev); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c index f302162036d0..e07a62246db7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c @@ -164,6 +164,7 @@ mt76x0e_probe(struct pci_dev *pdev, const struct pci_device_id *id) { static const struct mt76_driver_ops drv_ops = { .txwi_size = sizeof(struct mt76x02_txwi), + .tx_aligned4_skbs = true, .update_survey = mt76x02_update_channel, .tx_prepare_skb = mt76x02_tx_prepare_skb, .tx_complete_skb = mt76x02_tx_complete_skb, diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_txrx.c b/drivers/net/wireless/mediatek/mt76/mt76x02_txrx.c index 0a3a3605c151..708f2c65d3fd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_txrx.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_txrx.c @@ -152,20 +152,20 @@ int mt76x02_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, u32 *tx_info) { struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct mt76x02_txwi *txwi = txwi_ptr; - int qsel = MT_QSEL_EDCA; - int pid; + int hdrlen, len, pid, qsel = MT_QSEL_EDCA; if (qid == MT_TXQ_PSD && wcid && wcid->idx < 128) mt76x02_mac_wcid_set_drop(dev, wcid->idx, false); - mt76x02_mac_write_txwi(dev, txwi, skb, wcid, sta, skb->len); + hdrlen = ieee80211_hdrlen(hdr->frame_control); + len = skb->len - (hdrlen & 2); + mt76x02_mac_write_txwi(dev, txwi, skb, wcid, sta, len); pid = mt76_tx_status_skb_add(mdev, wcid, skb); txwi->pktid = pid; - mt76_insert_hdr_pad(skb); - if (pid >= MT_PACKET_ID_FIRST) qsel = MT_QSEL_MGMT; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c index 6274655e1f7e..4747f782417a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c @@ -32,6 +32,7 @@ mt76pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { static const struct mt76_driver_ops drv_ops = { .txwi_size = sizeof(struct mt76x02_txwi), + .tx_aligned4_skbs = true, .update_survey = mt76x02_update_channel, .tx_prepare_skb = mt76x02_tx_prepare_skb, .tx_complete_skb = mt76x02_tx_complete_skb, -- 2.20.1