From patchwork Sun Apr 21 17:36:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Karthikeyan Kathirvel X-Patchwork-Id: 790948 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7829D18637 for ; Sun, 21 Apr 2024 17:37:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713721048; cv=none; b=epMzlxUZhYR+eiSbylzD4J9MeFVLjTdRjJh2sSsBO9V4w8IRebARyT+1Ji6Kbpo+SKWYovoB/yfQyuz3Hw/4q1GTaWiKdnvP8A6XvPabIt2eFNFw1WOHKHZg4wn6weqlAJkxrxBEDgv2E5fQ+s8wihbWMISV6MOXeINnEUoOmDo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713721048; c=relaxed/simple; bh=61BtVlKExzJfMd8Tehd1JAfEWlammHtAUQaMijv4JjA=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=pot3+BqSijno1cAViTtMIbNRkmkpzrgQr+OCjMTow1r1yQ8XePcd4RpNbQVvFKtfP3otTliqYV4sPCqDXc21JMCwEek3hAFclHcAiLBBqZOMJ+LU1iMLyLeXctYc4Aa5/lpQlwaG2+r6rxvyhspEY3X7tFsXIbrJtx/AjDUHaDQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=b4tin19Y; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="b4tin19Y" Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 43LHNGEt030738; Sun, 21 Apr 2024 17:37:16 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding:content-type; s=qcppdkim1; bh=bMACCxL /JAYqSr+fsJsG3zIjPA1Z377tUDjZ7FK6H/g=; b=b4tin19YF9Uq8vS3myvMh7t +OPsdz2Iuakmy4NeHBhOOlNYbFR3oy99FCex7IeDPVUNBHou6czCFNVnwrtxEgRC ngDgY1qAM2bBGt0kbwxT2Lrr3aCxZLl+IedxK0g1WM1Wp5APHfeJO8T7VgP4d6Kd sYAzXx9t32CEwEGI1lUUATchpg3vDJbWEEPvhkV3jf2Fb1fH2z9kKoXiK5IaFHL+ BWaJcTRcnAXPHcHEtROw8W6oJL+gTD8qiUAkmnUuw7FfUE3iVlKfDpDwa0Nlxgm3 +7CeB2RTJlJWSZN10jwFIbdeA8tOwG65Nw3qop1WsMmix/4W2dicvniwjK06MEA= = Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3xm63a2efc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 21 Apr 2024 17:37:16 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 43LHbEXe031533 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 21 Apr 2024 17:37:14 GMT Received: from hu-kathirve-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Sun, 21 Apr 2024 10:37:13 -0700 From: Karthikeyan Kathirvel To: CC: , Karthikeyan Kathirvel Subject: [PATCH v2] wifi: ath12k: drop failed transmitted frames from metric calculation. Date: Sun, 21 Apr 2024 23:06:59 +0530 Message-ID: <20240421173659.53674-1-quic_kathirve@quicinc.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: FCFIPwsSE2Yy-tEWL8BafYPFJqNuA76s X-Proofpoint-ORIG-GUID: FCFIPwsSE2Yy-tEWL8BafYPFJqNuA76s X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-04-21_16,2024-04-19_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 bulkscore=0 mlxlogscore=999 clxscore=1015 mlxscore=0 malwarescore=0 adultscore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2404210110 In mesh node traffic, internal firmware-transmitted failures are reported as transmitted failures in mesh metric calculation, leading to the breakage of the mesh link. Fix the issue by dropping the internal firmware-transmitted failures before updating the TX completion status to mac80211, in order to prevent false failure averaging in mesh metric calculation. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1 Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices") Signed-off-by: Karthikeyan Kathirvel --- v2: Addressed Jeff's review comments - Updated copyrights of hal_desc.h to 2024 - nits addressed --- drivers/net/wireless/ath/ath12k/dp_tx.c | 38 ++++++++++++++++------ drivers/net/wireless/ath/ath12k/hal_desc.h | 22 ++++++++++++- 2 files changed, 49 insertions(+), 11 deletions(-) base-commit: 363e7193eaf258fe7f04e8db560bd8a282a12cd9 diff --git a/drivers/net/wireless/ath/ath12k/dp_tx.c b/drivers/net/wireless/ath/ath12k/dp_tx.c index 9b6d7d72f57c..423afdad98e3 100644 --- a/drivers/net/wireless/ath/ath12k/dp_tx.c +++ b/drivers/net/wireless/ath/ath12k/dp_tx.c @@ -481,18 +481,36 @@ static void ath12k_dp_tx_complete_msdu(struct ath12k *ar, /* skip tx rate update from ieee80211_status*/ info->status.rates[0].idx = -1; - if (ts->status == HAL_WBM_TQM_REL_REASON_FRAME_ACKED && - !(info->flags & IEEE80211_TX_CTL_NO_ACK)) { - info->flags |= IEEE80211_TX_STAT_ACK; - info->status.ack_signal = ATH12K_DEFAULT_NOISE_FLOOR + - ts->ack_rssi; - info->status.flags = IEEE80211_TX_STATUS_ACK_SIGNAL_VALID; + switch (ts->status) { + case HAL_WBM_TQM_REL_REASON_FRAME_ACKED: + if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) { + info->flags |= IEEE80211_TX_STAT_ACK; + info->status.ack_signal = ATH12K_DEFAULT_NOISE_FLOOR + + ts->ack_rssi; + info->status.flags = IEEE80211_TX_STATUS_ACK_SIGNAL_VALID; + } + break; + case HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX: + if (info->flags & IEEE80211_TX_CTL_NO_ACK) { + info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED; + break; + } + fallthrough; + case HAL_WBM_TQM_REL_REASON_CMD_REMOVE_MPDU: + case HAL_WBM_TQM_REL_REASON_DROP_THRESHOLD: + case HAL_WBM_TQM_REL_REASON_CMD_REMOVE_AGED_FRAMES: + /* The failure status is due to internal firmware tx failure + * hence drop the frame; do not update the status of frame to + * the upper layer + */ + dev_kfree_skb_any(msdu); + goto exit; + default: + ath12k_dbg(ab, ATH12K_DBG_DP_TX, "tx frame is not acked status %d\n", + ts->status); + break; } - if (ts->status == HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX && - (info->flags & IEEE80211_TX_CTL_NO_ACK)) - info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED; - /* NOTE: Tx rate status reporting. Tx completion status does not have * necessary information (for example nss) to build the tx rate. * Might end up reporting it out-of-band from HTT stats. diff --git a/drivers/net/wireless/ath/ath12k/hal_desc.h b/drivers/net/wireless/ath/ath12k/hal_desc.h index 63340256d3f6..71e8c8a091ae 100644 --- a/drivers/net/wireless/ath/ath12k/hal_desc.h +++ b/drivers/net/wireless/ath/ath12k/hal_desc.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. */ #include "core.h" @@ -2048,6 +2048,19 @@ struct hal_wbm_release_ring { * fw with fw_reason2. * @HAL_WBM_TQM_REL_REASON_CMD_REMOVE_RESEAON3: Remove command initiated by * fw with fw_reason3. + * @HAL_WBM_TQM_REL_REASON_CMD_DISABLE_QUEUE: Remove command initiated by + * fw with disable queue. + * @HAL_WBM_TQM_REL_REASON_CMD_TILL_NONMATCHING: Remove command initiated by + * fw to remove all mpdu until 1st non-match. + * @HAL_WBM_TQM_REL_REASON_DROP_THRESHOLD: Dropped due to drop threshold + * criteria + * @HAL_WBM_TQM_REL_REASON_DROP_LINK_DESC_UNAVAIL: Dropped due to link desc + * not available + * @HAL_WBM_TQM_REL_REASON_DROP_OR_INVALID_MSDU: Dropped due drop bit set or + * null flow + * @HAL_WBM_TQM_REL_REASON_MULTICAST_DROP: Dropped due mcast drop set for VDEV + * @HAL_WBM_TQM_REL_REASON_VDEV_MISMATCH_DROP: Dropped due to being set with + * 'TCL_drop_reason' */ enum hal_wbm_tqm_rel_reason { HAL_WBM_TQM_REL_REASON_FRAME_ACKED, @@ -2058,6 +2071,13 @@ enum hal_wbm_tqm_rel_reason { HAL_WBM_TQM_REL_REASON_CMD_REMOVE_RESEAON1, HAL_WBM_TQM_REL_REASON_CMD_REMOVE_RESEAON2, HAL_WBM_TQM_REL_REASON_CMD_REMOVE_RESEAON3, + HAL_WBM_TQM_REL_REASON_CMD_DISABLE_QUEUE, + HAL_WBM_TQM_REL_REASON_CMD_TILL_NONMATCHING, + HAL_WBM_TQM_REL_REASON_DROP_THRESHOLD, + HAL_WBM_TQM_REL_REASON_DROP_LINK_DESC_UNAVAIL, + HAL_WBM_TQM_REL_REASON_DROP_OR_INVALID_MSDU, + HAL_WBM_TQM_REL_REASON_MULTICAST_DROP, + HAL_WBM_TQM_REL_REASON_VDEV_MISMATCH_DROP, }; struct hal_wbm_buffer_ring {