From patchwork Mon Aug 2 15:16:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Greear X-Patchwork-Id: 490573 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 E4957C4320E for ; Mon, 2 Aug 2021 15:16:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CC09760FD8 for ; Mon, 2 Aug 2021 15:16:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235038AbhHBPRH (ORCPT ); Mon, 2 Aug 2021 11:17:07 -0400 Received: from dispatch1-us1.ppe-hosted.com ([67.231.154.164]:34824 "EHLO dispatch1-us1.ppe-hosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234770AbhHBPRF (ORCPT ); Mon, 2 Aug 2021 11:17:05 -0400 X-Virus-Scanned: Proofpoint Essentials engine Received: from mx1-us1.ppe-hosted.com (unknown [10.110.51.167]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id EDC7D20061 for ; Mon, 2 Aug 2021 15:16:54 +0000 (UTC) Received: from mail3.candelatech.com (mail2.candelatech.com [208.74.158.173]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id C22C1240070 for ; Mon, 2 Aug 2021 15:16:54 +0000 (UTC) Received: from ben-dt4.candelatech.com (50-251-239-81-static.hfc.comcastbusiness.net [50.251.239.81]) by mail3.candelatech.com (Postfix) with ESMTP id 55BAF13C2B5; Mon, 2 Aug 2021 08:16:54 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mail3.candelatech.com 55BAF13C2B5 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=candelatech.com; s=default; t=1627917414; bh=216cxkfAnyP/OzDyDJqdvGQ8S/YaNDUUw/drdxBlVmo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lMvm7FWHs82iLVVaGBkcwFE5o9cHKpJYVBd88HLtpfzflojgO/93Mu45EJMWCTt/E LvCUW3DD+X3XOJpqKC6k938nQP0MNKvaezop7dmJos6MyiaulYt4N4ra7rYw4qIh1R mpvPpy1PRsc+takzG1EAoWxAoFLjfO6XAhxxpHH8= From: greearb@candelatech.com To: linux-wireless@vger.kernel.org Cc: Ben Greear Subject: [PATCH v4 04/11] mt76: mt7915: allow processing TXS for 'NO_SKB' pkt-ids Date: Mon, 2 Aug 2021 08:16:36 -0700 Message-Id: <20210802151643.32394-4-greearb@candelatech.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210802151643.32394-1-greearb@candelatech.com> References: <20210802151643.32394-1-greearb@candelatech.com> MIME-Version: 1.0 X-MDID: 1627917415-R_HwGkPSrbkR Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ben Greear This will let us update stats and wcid.rate for every TXS callback we receive for a particular wcid. For now, the TXS is not requested for NO_SKB frames, however. That will be allowed in next patch. Signed-off-by: Ben Greear --- .../net/wireless/mediatek/mt76/mt7915/mac.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index b1384e02e707..cf2c97bc251d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -1047,6 +1047,7 @@ void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi, txwi[4] = 0; val = FIELD_PREP(MT_TXD5_PID, pid); + /* NOTE: mt7916 does NOT request TXS for 'NO_SKB' frames by default. */ if (pid >= MT_PACKET_ID_FIRST) val |= MT_TXD5_TX_STATUS_HOST; txwi[5] = cpu_to_le32(val); @@ -1437,10 +1438,16 @@ mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid, * paired with TXS data. This is normal datapath. */ struct rate_info *rate = &wcid->rate; - struct sk_buff *skb; + struct sk_buff *skb = NULL; + bool check_status; - mt76_tx_status_lock(mdev, &list); - skb = mt76_tx_status_skb_get(mdev, wcid, pid, &list); + check_status = ((pid >= MT_PACKET_ID_FIRST) || + time_after(jiffies, mdev->next_status_jiffies)); + + if (check_status) { + mt76_tx_status_lock(mdev, &list); + skb = mt76_tx_status_skb_get(mdev, wcid, pid, &list); + } memset(rate, 0, sizeof(*rate)); @@ -1454,7 +1461,8 @@ mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid, if (skb) mt76_tx_status_skb_done(mdev, skb, &list, wcid); - mt76_tx_status_unlock(mdev, &list); + if (check_status) + mt76_tx_status_unlock(mdev, &list); } static void mt7915_mac_add_txs(struct mt7915_dev *dev, void *data) @@ -1476,7 +1484,7 @@ static void mt7915_mac_add_txs(struct mt7915_dev *dev, void *data) txs = le32_to_cpu(txs_data[3]); pid = FIELD_GET(MT_TXS3_PID, txs); - if (pid < MT_PACKET_ID_FIRST) + if (pid < MT_PACKET_ID_NO_SKB) return; if (wcidx >= MT7915_WTBL_SIZE)