From patchwork Tue Jul 13 16:07:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 12374411 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,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 07442C11F6B for ; Tue, 13 Jul 2021 16:07:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC87061164 for ; Tue, 13 Jul 2021 16:07:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229953AbhGMQKp (ORCPT ); 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Received: from p54ae93f7.dip0.t-ipconnect.de ([84.174.147.247] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1m3Kwn-0008TX-F0; Tue, 13 Jul 2021 18:07:49 +0200 From: Felix Fietkau To: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org, pablo@netfilter.org, ryder.lee@mediatek.com Subject: [RFC 5/7] mt76: make number of tokens configurable dynamically Date: Tue, 13 Jul 2021 18:07:43 +0200 Message-Id: <20210713160745.59707-6-nbd@nbd.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210713160745.59707-1-nbd@nbd.name> References: <20210713160745.59707-1-nbd@nbd.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Preparation for adding Wireless Ethernet Dispatch support Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/mac80211.c | 1 + drivers/net/wireless/mediatek/mt76/mt76.h | 6 +++--- drivers/net/wireless/mediatek/mt76/tx.c | 7 +++---- 3 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index d03aedc3286b..ba8b06acace3 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -459,6 +459,7 @@ mt76_alloc_device(struct device *pdev, unsigned int size, idr_init(&dev->token); INIT_LIST_HEAD(&dev->txwi_cache); + dev->token_size = dev->drv->token_size; for (i = 0; i < ARRAY_SIZE(dev->q_rx); i++) skb_queue_head_init(&dev->rx_skb[i]); diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 25c5ceef5257..840778ffe8ea 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -680,7 +680,8 @@ struct mt76_dev { spinlock_t token_lock; struct idr token; - int token_count; + u16 token_count; + u16 token_size; wait_queue_head_t tx_wait; struct sk_buff_head status_list; @@ -1274,8 +1275,7 @@ mt76_token_get(struct mt76_dev *dev, struct mt76_txwi_cache **ptxwi) int token; spin_lock_bh(&dev->token_lock); - token = idr_alloc(&dev->token, *ptxwi, 0, dev->drv->token_size, - GFP_ATOMIC); + token = idr_alloc(&dev->token, *ptxwi, 0, dev->token_size, GFP_ATOMIC); spin_unlock_bh(&dev->token_lock); return token; diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c index f0f7a913eaab..9c6d26f4c795 100644 --- a/drivers/net/wireless/mediatek/mt76/tx.c +++ b/drivers/net/wireless/mediatek/mt76/tx.c @@ -691,12 +691,11 @@ int mt76_token_consume(struct mt76_dev *dev, struct mt76_txwi_cache **ptxwi) spin_lock_bh(&dev->token_lock); - token = idr_alloc(&dev->token, *ptxwi, 0, dev->drv->token_size, - GFP_ATOMIC); + token = idr_alloc(&dev->token, *ptxwi, 0, dev->token_size, GFP_ATOMIC); if (token >= 0) dev->token_count++; - if (dev->token_count >= dev->drv->token_size - MT76_TOKEN_FREE_THR) + if (dev->token_count >= dev->token_size - MT76_TOKEN_FREE_THR) __mt76_set_tx_blocked(dev, true); spin_unlock_bh(&dev->token_lock); @@ -716,7 +715,7 @@ mt76_token_release(struct mt76_dev *dev, int token, bool *wake) if (txwi) dev->token_count--; - if (dev->token_count < dev->drv->token_size - MT76_TOKEN_FREE_THR && + if (dev->token_count < dev->token_size - MT76_TOKEN_FREE_THR && dev->phy.q_tx[0]->blocked) *wake = true;