From patchwork Tue Sep 4 14:41:01 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislaw Gruszka X-Patchwork-Id: 10587423 X-Patchwork-Delegate: kvalo@adurom.com 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 47D1B14BD for ; Tue, 4 Sep 2018 14:42:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 386F929A0A for ; Tue, 4 Sep 2018 14:42:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2CBF929A16; Tue, 4 Sep 2018 14:42:02 +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=-7.9 required=2.0 tests=BAYES_00,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 BB3B029A0A for ; Tue, 4 Sep 2018 14:42:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727560AbeIDTHX (ORCPT ); Tue, 4 Sep 2018 15:07:23 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:53746 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725995AbeIDTHX (ORCPT ); Tue, 4 Sep 2018 15:07:23 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E53F5B5C8; Tue, 4 Sep 2018 14:41:58 +0000 (UTC) Received: from localhost (ovpn-204-92.brq.redhat.com [10.40.204.92]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3E63E2157F45; Tue, 4 Sep 2018 14:41:55 +0000 (UTC) From: Stanislaw Gruszka To: linux-wireless@vger.kernel.org Cc: Lorenzo Bianconi , Felix Fietkau , linux-mediatek@lists.infradead.org Subject: [PATCH 08/22] mt76: unify AC to hw queue mapping Date: Tue, 4 Sep 2018 16:41:01 +0200 Message-Id: <1536072075-6990-9-git-send-email-sgruszka@redhat.com> In-Reply-To: <1536072075-6990-1-git-send-email-sgruszka@redhat.com> References: <1536072075-6990-1-git-send-email-sgruszka@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Tue, 04 Sep 2018 14:41:58 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Tue, 04 Sep 2018 14:41:58 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'sgruszka@redhat.com' RCPT:'' 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 Use the same AC to hardware queue mappings for all subdrivers. Note: this change BK and BE mappings for USB drivers. Signed-off-by: Stanislaw Gruszka --- drivers/net/wireless/mediatek/mt76/mt76.h | 8 +------- drivers/net/wireless/mediatek/mt76/mt76x0/tx.c | 4 ++-- drivers/net/wireless/mediatek/mt76/mt76x2_dma.c | 10 ++-------- drivers/net/wireless/mediatek/mt76/tx.c | 16 ++++++++++++++++ drivers/net/wireless/mediatek/mt76/usb.c | 2 +- 5 files changed, 22 insertions(+), 18 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index cb9b9852f32f..7a7d13b16508 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -519,13 +519,7 @@ static inline int mt76_decr(int val, int size) return (val - 1) & (size - 1); } -/* Hardware uses mirrored order of queues with Q3 - * having the highest priority - */ -static inline u8 q2hwq(u8 q) -{ - return q ^ 0x3; -} +u8 mt76_ac_to_hwq(u8 ac); static inline struct ieee80211_txq * mtxq_to_txq(struct mt76_txq *mtxq) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/tx.c b/drivers/net/wireless/mediatek/mt76/mt76x0/tx.c index 73ea6d3097f2..acf830bc9b4e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/tx.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/tx.c @@ -25,7 +25,7 @@ static u8 skb2q(struct sk_buff *skb) skb_set_queue_mapping(skb, qid); } - return q2hwq(qid); + return mt76_ac_to_hwq(qid); } static void mt76x0_tx_skb_remove_dma_overhead(struct sk_buff *skb, @@ -216,7 +216,7 @@ int mt76x0_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, const struct ieee80211_tx_queue_params *params) { struct mt76x0_dev *dev = hw->priv; - u8 cw_min = 5, cw_max = 10, hw_q = q2hwq(queue); + u8 cw_min = 5, cw_max = 10, hw_q = mt76_ac_to_hwq(queue); u32 val; /* TODO: should we do funny things with the parameters? diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c index 6720a6a1313f..1c8e5d7be425 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c @@ -102,12 +102,6 @@ mt76x2_tx_tasklet(unsigned long data) int mt76x2_dma_init(struct mt76x2_dev *dev) { - static const u8 wmm_queue_map[] = { - [IEEE80211_AC_BE] = 0, - [IEEE80211_AC_BK] = 1, - [IEEE80211_AC_VI] = 2, - [IEEE80211_AC_VO] = 3, - }; int ret; int i; struct mt76_txwi_cache __maybe_unused *t; @@ -125,9 +119,9 @@ int mt76x2_dma_init(struct mt76x2_dev *dev) mt76_wr(dev, MT_WPDMA_RST_IDX, ~0); - for (i = 0; i < ARRAY_SIZE(wmm_queue_map); i++) { + for (i = 0; i < IEEE80211_NUM_ACS; i++) { ret = mt76x2_init_tx_queue(dev, &dev->mt76.q_tx[i], - wmm_queue_map[i], MT_TX_RING_SIZE); + mt76_ac_to_hwq(i), MT_TX_RING_SIZE); if (ret) return ret; } diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c index af48d43bb7dc..cf79b8c67b52 100644 --- a/drivers/net/wireless/mediatek/mt76/tx.c +++ b/drivers/net/wireless/mediatek/mt76/tx.c @@ -442,3 +442,19 @@ void mt76_txq_init(struct mt76_dev *dev, struct ieee80211_txq *txq) mtxq->hwq = &dev->q_tx[mt76_txq_get_qid(txq)]; } EXPORT_SYMBOL_GPL(mt76_txq_init); + +u8 mt76_ac_to_hwq(u8 ac) +{ + static const u8 wmm_queue_map[] = { + [IEEE80211_AC_BE] = 0, + [IEEE80211_AC_BK] = 1, + [IEEE80211_AC_VI] = 2, + [IEEE80211_AC_VO] = 3, + }; + + if (WARN_ON(ac >= IEEE80211_NUM_ACS)) + return 0; + + return wmm_queue_map[ac]; +} +EXPORT_SYMBOL_GPL(mt76_ac_to_hwq); diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c index 7780b07543bb..333b2c8ca7a4 100644 --- a/drivers/net/wireless/mediatek/mt76/usb.c +++ b/drivers/net/wireless/mediatek/mt76/usb.c @@ -715,7 +715,7 @@ static int mt76u_alloc_tx(struct mt76_dev *dev) q = &dev->q_tx[i]; spin_lock_init(&q->lock); INIT_LIST_HEAD(&q->swq); - q->hw_idx = q2hwq(i); + q->hw_idx = mt76_ac_to_hwq(i); q->entry = devm_kzalloc(dev->dev, MT_NUM_TX_ENTRIES * sizeof(*q->entry),