From patchwork Wed Jan 28 11:21:51 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: SenthilKumar Jegadeesan X-Patchwork-Id: 5732061 Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4986B9F1AF for ; Wed, 28 Jan 2015 22:00:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3AC4920142 for ; Wed, 28 Jan 2015 22:00:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EDC012010C for ; Wed, 28 Jan 2015 22:00:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757350AbbA1UZL (ORCPT ); Wed, 28 Jan 2015 15:25:11 -0500 Received: from sabertooth01.qualcomm.com ([65.197.215.72]:18478 "EHLO sabertooth01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753812AbbA1UZG (ORCPT ); Wed, 28 Jan 2015 15:25:06 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=qti.qualcomm.com; i=@qti.qualcomm.com; q=dns/txt; s=qcdkim; t=1422476706; x=1454012706; h=date:from:to:cc:subject:message-id:mime-version; bh=gdFcU+ZoV4KxUY2SSBOpTz4aiEpcnP1URCtSNFWNz4c=; b=Vn98gfTOd0pdSdEsIFFXDxW5944w8Pawu7nsMBgQjuaW20s+3nYrRK7M CwfgfgfkUXubIQM/gPxhLjfoAdkBsdKmzqFJW/1g2SglINRFdAepqXY5o 5Xeqk8ZV7odqVyloB2pKjF0nFCmrgWE6Ki7hLFjAXDZFrdmV9HYPpgfx3 U=; X-IronPort-AV: E=McAfee;i="5600,1067,7694"; a="82261153" Received: from ironmsg01-lv.qualcomm.com ([10.47.202.180]) by sabertooth01.qualcomm.com with ESMTP; 28 Jan 2015 03:22:08 -0800 X-IronPort-AV: E=Sophos;i="5.09,480,1418112000"; d="scan'208";a="32241903" Received: from nasanexm02h.na.qualcomm.com ([129.46.53.248]) by ironmsg01-lv.qualcomm.com with ESMTP/TLS/RC4-SHA; 28 Jan 2015 03:22:07 -0800 Received: from aphydexm01a.ap.qualcomm.com (10.252.127.10) by nasanexm02h.na.qualcomm.com (129.46.53.248) with Microsoft SMTP Server (TLS) id 15.0.995.29; Wed, 28 Jan 2015 03:22:06 -0800 Received: from localhost (10.80.80.8) by aphydexm01a.ap.qualcomm.com (10.252.127.10) with Microsoft SMTP Server (TLS) id 15.0.995.29; Wed, 28 Jan 2015 16:51:59 +0530 Date: Wed, 28 Jan 2015 16:51:51 +0530 From: SenthilKumar Jegadeesan To: CC: Subject: [PATCH] ath10k: add log level configuration for fw_dbglog Message-ID: <20150128112149.GA27237@senthilj-ThinkPad-L430> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: NASANEXM01B.na.qualcomm.com (10.85.0.82) To aphydexm01a.ap.qualcomm.com (10.252.127.10) Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID,T_RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Introduce optional log level configuration for existing debugfs fw_dbglog. It allow users to configure desired log level for firmware debugs. To configure log level as WARN echo 0xffffffff 2 > /sys/kernel/debug/ieee80211/phy0/ath10k/fw_dbglog Loglevel Value VERBOSE 0 INFO 1 WARN 2 ERR 3 Signed-off-by: SenthilKumar Jegadeesan --- drivers/net/wireless/ath/ath10k/core.h | 1 + drivers/net/wireless/ath/ath10k/debug.c | 30 +++++++++++++++++++++--------- drivers/net/wireless/ath/ath10k/wmi-ops.h | 7 ++++--- drivers/net/wireless/ath/ath10k/wmi-tlv.c | 4 ++-- drivers/net/wireless/ath/ath10k/wmi.c | 5 +++-- 5 files changed, 31 insertions(+), 16 deletions(-) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 2d9f871..b4aecbd 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -345,6 +345,7 @@ struct ath10k_debug { /* protected by conf_mutex */ u32 fw_dbglog_mask; + u32 fw_dbglog_level; u32 pktlog_filter; u32 reg_addr; u32 nf_cal_period; diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 42b2e49..b77c51a 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -1318,10 +1318,10 @@ static ssize_t ath10k_read_fw_dbglog(struct file *file, { struct ath10k *ar = file->private_data; unsigned int len; - char buf[32]; + char buf[64]; - len = scnprintf(buf, sizeof(buf), "0x%08x\n", - ar->debug.fw_dbglog_mask); + len = scnprintf(buf, sizeof(buf), "0x%08x %u\n", + ar->debug.fw_dbglog_mask, ar->debug.fw_dbglog_level); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } @@ -1331,19 +1331,30 @@ static ssize_t ath10k_write_fw_dbglog(struct file *file, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; - unsigned long mask; int ret; + char buf[64]; + unsigned int log_level, mask; - ret = kstrtoul_from_user(user_buf, count, 0, &mask); - if (ret) - return ret; + simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); + + /* make sure that buf is null terminated */ + buf[sizeof(buf) - 1] = 0; + + ret = sscanf(buf, "%x %u", &mask, &log_level); + + if (!ret) + return -EINVAL; mutex_lock(&ar->conf_mutex); ar->debug.fw_dbglog_mask = mask; + ar->debug.fw_dbglog_level = (ret == 1) ? ATH10K_DBGLOG_LEVEL_WARN : + log_level; + if (ar->state == ATH10K_STATE_ON) { - ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask); + ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask, + ar->debug.fw_dbglog_level); if (ret) { ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n", ret); @@ -1685,7 +1696,8 @@ int ath10k_debug_start(struct ath10k *ar) ret); if (ar->debug.fw_dbglog_mask) { - ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask); + ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask, + ATH10K_DBGLOG_LEVEL_WARN); if (ret) /* not serious */ ath10k_warn(ar, "failed to enable dbglog during start: %d", diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h index 80bd28a..4517993 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-ops.h +++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h @@ -111,7 +111,8 @@ struct wmi_ops { enum wmi_force_fw_hang_type type, u32 delay_ms); struct sk_buff *(*gen_mgmt_tx)(struct ath10k *ar, struct sk_buff *skb); - struct sk_buff *(*gen_dbglog_cfg)(struct ath10k *ar, u32 module_enable); + struct sk_buff *(*gen_dbglog_cfg)(struct ath10k *ar, u32 module_enable, + u32 log_level); struct sk_buff *(*gen_pktlog_enable)(struct ath10k *ar, u32 filter); struct sk_buff *(*gen_pktlog_disable)(struct ath10k *ar); struct sk_buff *(*gen_pdev_set_quiet_mode)(struct ath10k *ar, @@ -821,14 +822,14 @@ ath10k_wmi_force_fw_hang(struct ath10k *ar, } static inline int -ath10k_wmi_dbglog_cfg(struct ath10k *ar, u32 module_enable) +ath10k_wmi_dbglog_cfg(struct ath10k *ar, u32 module_enable, u32 log_level) { struct sk_buff *skb; if (!ar->wmi.ops->gen_dbglog_cfg) return -EOPNOTSUPP; - skb = ar->wmi.ops->gen_dbglog_cfg(ar, module_enable); + skb = ar->wmi.ops->gen_dbglog_cfg(ar, module_enable, log_level); if (IS_ERR(skb)) return PTR_ERR(skb); diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c index d3cf91dc..d3d5aea 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c @@ -2044,8 +2044,8 @@ ath10k_wmi_tlv_op_gen_force_fw_hang(struct ath10k *ar, } static struct sk_buff * -ath10k_wmi_tlv_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable) -{ +ath10k_wmi_tlv_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable, + u32 log_level) { struct wmi_tlv_dbglog_cmd *cmd; struct wmi_tlv *tlv; struct sk_buff *skb; diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index d340361..2fa68ad 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -4960,7 +4960,8 @@ ath10k_wmi_op_gen_force_fw_hang(struct ath10k *ar, } static struct sk_buff * -ath10k_wmi_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable) +ath10k_wmi_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable, + u32 log_level) { struct wmi_dbglog_cfg_cmd *cmd; struct sk_buff *skb; @@ -4973,7 +4974,7 @@ ath10k_wmi_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable) cmd = (struct wmi_dbglog_cfg_cmd *)skb->data; if (module_enable) { - cfg = SM(ATH10K_DBGLOG_LEVEL_VERBOSE, + cfg = SM(log_level, ATH10K_DBGLOG_CFG_LOG_LVL); } else { /* set back defaults, all modules with WARN level */