From patchwork Mon Apr 29 17:38:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramya Gnanasekar X-Patchwork-Id: 13647439 X-Patchwork-Delegate: kvalo@adurom.com 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 A5CC3839FD for ; Mon, 29 Apr 2024 17:38:37 +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=1714412320; cv=none; b=bq2rOtEEQnHiKAk2SV7Tnf/4skX0g5B8BWaFMX0gpvS14Kh1XxjU5kxrn/FWVrMLw7fguTIdXvSeFGmAqibV927iDw3QYZN2o/122HiNZ7hH7bsABRmqC7HS9aimFQsDxxiGFnLcBUcuIr1zPcDgJ4rYit1oLrbdwh2u/aO2M+o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714412320; c=relaxed/simple; bh=dNGQv3QwlcMZd4pzr9s4pxolhsIuPU8p0V8wBayejT4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=YAVZ+rm/FcrkHi9OkVR0OS1/Nrz+H4ySrAImAcxDUBY5EGdcC8WQ15yf4wrJttfJVe08F6JiC1WanPBKPpKQqgDgxJq9Wqz804dhaLKF9Kwyd/YtZwtUfoVbqRTCJh9FB5As+jlRRhTEY/OFhyJ6mguYs/BBirprCzeXaiZ1uCQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=qualcomm.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=OQhmhumW; 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=qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="OQhmhumW" 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 43T8xcVc026977; Mon, 29 Apr 2024 17:38:32 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=qcppdkim1; bh=sCo3tvx K4jTrK2oSLSABD3d0B/4nHLnJGpsKjLfn4xI=; b=OQhmhumW1t2ETJWch8z9HV9 DMU/lbFca5QOeJv85oSi3l5gdNCgSvSbVBZQCBvU200d4GN3hQ0TkE8/T7vzwEKv VENF1XnH/etm+p98yFxc/s442Z1fXFPX3591YXNztUhV+Ru9mytkgTyt9AxGvXBL 70NCzviweAG16VKEbe10fwsWAY0lbT4cL7kLIDR6KnmsREpPDixE5Itcjvq0hERR G21IfSw9OKLw69viQ2G6iSa6BL9iwIR5fZiUz4oUucftt6m6MT0REJaCDhTK0vPa 6nJ8hG0fyxbY10DEfIfJI15irKcXUoxoo2CKruYkqCBhh7QFPnmhA8qvL2pQvhw= = Received: from apblrppmta02.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3xt85sak9c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 29 Apr 2024 17:38:31 +0000 (GMT) Received: from pps.filterd (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by APBLRPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 43THZNK4029372; Mon, 29 Apr 2024 17:38:27 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 3xrtekh4y1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 29 Apr 2024 17:38:27 +0000 Received: from APBLRPPMTA02.qualcomm.com (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 43THcRLl032196; Mon, 29 Apr 2024 17:38:27 GMT Received: from hu-devc-blr-u22-a.qualcomm.com (hu-rgnanase-blr.qualcomm.com [10.190.106.79]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 43THcRFo032185 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 29 Apr 2024 17:38:27 +0000 Received: by hu-devc-blr-u22-a.qualcomm.com (Postfix, from userid 2378837) id 4B2E4410F1; Mon, 29 Apr 2024 23:08:26 +0530 (+0530) From: Ramya Gnanasekar To: ath12k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, Dinesh Karthikeyan , Ramya Gnanasekar Subject: [PATCH 1/4] wifi: ath12k: Add support to enable debugfs_htt_stats Date: Mon, 29 Apr 2024 23:08:22 +0530 Message-Id: <20240429173825.2369355-2-quic_rgnanase@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240429173825.2369355-1-quic_rgnanase@quicinc.com> References: <20240429173825.2369355-1-quic_rgnanase@quicinc.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: Q_KD9ho-aie5rSGi82VDjgfYthby1mJR X-Proofpoint-ORIG-GUID: Q_KD9ho-aie5rSGi82VDjgfYthby1mJR X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-04-29_15,2024-04-29_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 adultscore=0 impostorscore=0 mlxscore=0 suspectscore=0 bulkscore=0 phishscore=0 priorityscore=1501 malwarescore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2404290113 From: Dinesh Karthikeyan Create debugfs_htt_stats file when ath12k debugfs support is enabled. Add basic ath12k_debugfs_htt_stats_init and handle htt_stats_type file operations. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1 Signed-off-by: Dinesh Karthikeyan Co-developed-by: Ramya Gnanasekar Signed-off-by: Ramya Gnanasekar --- drivers/net/wireless/ath/ath12k/Makefile | 2 +- drivers/net/wireless/ath/ath12k/core.h | 9 +++ drivers/net/wireless/ath/ath12k/debugfs.c | 3 + .../wireless/ath/ath12k/debugfs_htt_stats.c | 74 +++++++++++++++++++ .../wireless/ath/ath12k/debugfs_htt_stats.h | 20 +++++ 5 files changed, 107 insertions(+), 1 deletion(-) create mode 100644 drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c create mode 100644 drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h diff --git a/drivers/net/wireless/ath/ath12k/Makefile b/drivers/net/wireless/ath/ath12k/Makefile index d42480db7463..3491b8b8a1e2 100644 --- a/drivers/net/wireless/ath/ath12k/Makefile +++ b/drivers/net/wireless/ath/ath12k/Makefile @@ -23,7 +23,7 @@ ath12k-y += core.o \ fw.o \ p2p.o -ath12k-$(CONFIG_ATH12K_DEBUGFS) += debugfs.o +ath12k-$(CONFIG_ATH12K_DEBUGFS) += debugfs.o debugfs_htt_stats.o ath12k-$(CONFIG_ACPI) += acpi.o ath12k-$(CONFIG_ATH12K_TRACING) += trace.o diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 47dde4401210..b7aa2d69aed3 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -27,6 +27,7 @@ #include "dbring.h" #include "fw.h" #include "acpi.h" +#include "debugfs_htt_stats.h" #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK) @@ -477,8 +478,16 @@ struct ath12k_fw_stats { struct list_head bcn; }; +struct ath12k_dbg_htt_stats { + enum ath12k_dbg_htt_ext_stats_type type; + u32 cfg_param[4]; + /* protects shared stats req buffer */ + spinlock_t lock; +}; + struct ath12k_debug { struct dentry *debugfs_pdev; + struct ath12k_dbg_htt_stats htt_stats; }; struct ath12k_per_peer_tx_stats { diff --git a/drivers/net/wireless/ath/ath12k/debugfs.c b/drivers/net/wireless/ath/ath12k/debugfs.c index 8d8ba951093b..30a80f04d824 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs.c +++ b/drivers/net/wireless/ath/ath12k/debugfs.c @@ -6,6 +6,7 @@ #include "core.h" #include "debugfs.h" +#include "debugfs_htt_stats.h" static ssize_t ath12k_write_simulate_radar(struct file *file, const char __user *user_buf, @@ -87,4 +88,6 @@ void ath12k_debugfs_register(struct ath12k *ar) ar->debug.debugfs_pdev, ar, &fops_simulate_radar); } + + ath12k_debugfs_htt_stats_init(ar); } diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c new file mode 100644 index 000000000000..4a58362bdaea --- /dev/null +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: BSD-3-Clause-Clear +/* + * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. + * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include +#include "core.h" +#include "debug.h" +#include "debugfs_htt_stats.h" + +static ssize_t ath12k_read_htt_stats_type(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath12k *ar = file->private_data; + char buf[32]; + size_t len; + + len = scnprintf(buf, sizeof(buf), "%u\n", ar->debug.htt_stats.type); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t ath12k_write_htt_stats_type(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath12k *ar = file->private_data; + enum ath12k_dbg_htt_ext_stats_type type; + unsigned int cfg_param[4] = {0}; + int num_args; + + char *buf __free(kfree) = kzalloc(count, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + if (copy_from_user(buf, user_buf, count)) + return -EFAULT; + + num_args = sscanf(buf, "%u %u %u %u %u\n", &type, &cfg_param[0], + &cfg_param[1], &cfg_param[2], &cfg_param[3]); + if (!num_args || num_args > 5) + return -EINVAL; + + if (type >= ATH12K_DBG_HTT_NUM_EXT_STATS) + return -E2BIG; + + if (type == ATH12K_DBG_HTT_EXT_STATS_RESET) + return -EPERM; + + ar->debug.htt_stats.type = type; + ar->debug.htt_stats.cfg_param[0] = cfg_param[0]; + ar->debug.htt_stats.cfg_param[1] = cfg_param[1]; + ar->debug.htt_stats.cfg_param[2] = cfg_param[2]; + ar->debug.htt_stats.cfg_param[3] = cfg_param[3]; + + return count; +} + +static const struct file_operations fops_htt_stats_type = { + .read = ath12k_read_htt_stats_type, + .write = ath12k_write_htt_stats_type, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +void ath12k_debugfs_htt_stats_init(struct ath12k *ar) +{ + spin_lock_init(&ar->debug.htt_stats.lock); + debugfs_create_file("htt_stats_type", 0600, ar->debug.debugfs_pdev, + ar, &fops_htt_stats_type); +} diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h new file mode 100644 index 000000000000..6bd34d72b407 --- /dev/null +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: BSD-3-Clause-Clear */ +/* + * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. + * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#ifndef DEBUG_HTT_STATS_H +#define DEBUG_HTT_STATS_H + +void ath12k_debugfs_htt_stats_init(struct ath12k *ar); + +/* htt_dbg_ext_stats_type */ +enum ath12k_dbg_htt_ext_stats_type { + ATH12K_DBG_HTT_EXT_STATS_RESET, + + /* keep this last */ + ATH12K_DBG_HTT_NUM_EXT_STATS, +}; + +#endif