From patchwork Tue Apr 13 07:26:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 420642 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, URIBL_BLOCKED, 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 D6435C433ED for ; Tue, 13 Apr 2021 07:26:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B354861221 for ; Tue, 13 Apr 2021 07:26:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238935AbhDMH1B (ORCPT ); Tue, 13 Apr 2021 03:27:01 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:49603 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S230252AbhDMH0w (ORCPT ); Tue, 13 Apr 2021 03:26:52 -0400 X-UUID: 75d284721cbd4963bacac58db4f67a12-20210413 X-UUID: 75d284721cbd4963bacac58db4f67a12-20210413 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 796767578; Tue, 13 Apr 2021 15:26:26 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 13 Apr 2021 15:26:24 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 13 Apr 2021 15:26:24 +0800 From: Ryder Lee To: Felix Fietkau , Lorenzo Bianconi CC: Shayne Chen , , , Ryder Lee Subject: [PATCH 1/2] mt76: mt7615: only free skbs after mt7615_dma_reset() when reset happens Date: Tue, 13 Apr 2021 15:26:19 +0800 Message-ID: <1fc26bda42fcd85b4bcebc8520601c70b882aa34.1618297567.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org In mt7615_mac_reset_work(), make sure freeing skbs after mt7615_dma_reset() and use ieee80211_free_txskb() in stead of to dev_kfree_skb_any() to report proper status. Signed-off-by: Ryder Lee --- drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 8 ++++++-- drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c | 3 +++ 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index 60aadf8a09cc..ce71e2c5a8d3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -2037,8 +2037,12 @@ void mt7615_tx_token_put(struct mt7615_dev *dev) spin_lock_bh(&dev->token_lock); idr_for_each_entry(&dev->token, txwi, id) { mt7615_txp_skb_unmap(&dev->mt76, txwi); - if (txwi->skb) - dev_kfree_skb_any(txwi->skb); + if (txwi->skb) { + struct ieee80211_hw *hw; + + hw = mt76_tx_status_get_hw(&dev->mt76, txwi->skb); + ieee80211_free_txskb(hw, txwi->skb); + } mt76_put_txwi(&dev->mt76, txwi); } spin_unlock_bh(&dev->token_lock); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c index 7694391603dd..bcc4344bbfc3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c @@ -310,6 +310,9 @@ void mt7615_mac_reset_work(struct work_struct *work) if (mt7615_wait_reset_state(dev, MT_MCU_CMD_RESET_DONE)) { mt7615_dma_reset(dev); + mt7615_tx_token_put(dev); + idr_init(&dev->token); + mt76_wr(dev, MT_WPDMA_MEM_RNG_ERR, 0); mt7615_hif_int_event_trigger(dev, MT_MCU_INT_EVENT_PDMA_INIT);