From patchwork Fri Apr 24 19:32:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 11508951 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A7B2F112C for ; Fri, 24 Apr 2020 19:43:31 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 83A452098B for ; Fri, 24 Apr 2020 19:43:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="J0ATodtb"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="ImratJ3f" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 83A452098B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=y9FBIpqf20WpZNfpnLzRVQnSF7bznVUXQ2At9rixiic=; b=J0ATodtbMIrLJA LiiMsus2GItkt+i3CSEZb1X63O/SQarg8ZPFuKJpeTs50CyPV/yIUJGXWroifDRugf4QABflvSnpD cjSy6919DshG4WvFWIue/Q2ByRZtNlWHMiYggYKFvQ2GgxTu+6XV+kSZtmiLL7130UHMwQE9JXWET geY4Vjbf8GZbwf1l4wRHz1GxJep9Wog0T5rihzsVEQTiP8hV+4hWkfGFuGspaUexvbWGaCQuQbenx h93c3Aj2wbBB7fUboxBFEyhGzhCRpaNgpDi/OwCDuE2DayZi//vo+67O5RRuzJ4S2NkuT6uQdo0Vg 7EDSvlmeT7D0yX3YNHrQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jS4ET-0006Zi-Ok; Fri, 24 Apr 2020 19:43:29 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jS4EE-00065h-5b for linux-mediatek@lists.infradead.org; Fri, 24 Apr 2020 19:43:15 +0000 X-UUID: e0e9bd76cef94235b154dc4806071c7b-20200424 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=FU4fnFK6FjATZkPgOccxNKSpbEJPY03LnfTBWhP01rs=; b=ImratJ3fT8WLivRtj6Px4LMooJMWaRYtC+prqoUZquGF1ybCl7ZctWNF7yMN4iPZ2vSc83svvxzAgC6XW0jFcAw7JtUTWVuhtQdWD9xoI48nfrujXUZwuJM9BPxQwb5EK7cAR1IHEQNeJ5IqcmJYy4LeOAmbgi8LbZ7PIQ9VFQU=; X-UUID: e0e9bd76cef94235b154dc4806071c7b-20200424 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1450620847; Fri, 24 Apr 2020 11:43:10 -0800 Received: from MTKMBS02N2.mediatek.inc (172.21.101.101) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 24 Apr 2020 12:33:04 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 25 Apr 2020 03:32:51 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 25 Apr 2020 03:32:55 +0800 From: Ryder Lee To: Felix Fietkau , Lorenzo Bianconi Subject: [PATCH v3 13/18] mt76: mt7915: add .sta_add_debugfs support Date: Sat, 25 Apr 2020 03:32:34 +0800 Message-ID: <8b725cdd9b9fb1c3ce3218d38f560203a761cb73.1587756404.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: References: MIME-Version: 1.0 X-TM-SNTS-SMTP: 0116BC3C9EB0ECFBF45BBC0E442DC25C6A68AC45EE6A94034D87A64A1E0074022000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200424_124314_222932_730CB759 X-CRM114-Status: UNSURE ( 8.95 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: YF Luo , Evelyn Tsai , linux-wireless@vger.kernel.org, Sean Wang , Chih-Min Chen , Ryder Lee , Yiwei Chung , linux-mediatek@lists.infradead.org, Shayne Chen Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org This generation supports much more per-peer statistics than legacy ones, so add .sta_add_debugfs accordingly. This is convenient to set/get more settings/counters in the long run. Signed-off-by: Ryder Lee --- .../wireless/mediatek/mt76/mt7915/debugfs.c | 65 +++++++++++++++++++ .../net/wireless/mediatek/mt76/mt7915/main.c | 3 + .../wireless/mediatek/mt76/mt7915/mt7915.h | 4 ++ 3 files changed, 72 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c index 2e3f05f73697..7f67a1a8013b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c @@ -302,3 +302,68 @@ int mt7915_init_debugfs(struct mt7915_dev *dev) return 0; } + +/** per-station debugfs **/ + +static int +mt7915_sta_stats_read(struct seq_file *s, void *data) +{ + struct ieee80211_sta *sta = s->private; + struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; + struct mt7915_sta_stats *stats = &msta->stats; + struct rate_info *rate = &stats->prob_rate; + static const char * const bw[] = { + "BW20", "BW5", "BW10", "BW40", + "BW80", "BW160", "BW_HE_RU" + }; + + if (!rate->legacy && !rate->flags) + return 0; + + seq_puts(s, "Probing rate - "); + if (rate->flags & RATE_INFO_FLAGS_MCS) + seq_puts(s, "HT "); + else if (rate->flags & RATE_INFO_FLAGS_VHT_MCS) + seq_puts(s, "VHT "); + else if (rate->flags & RATE_INFO_FLAGS_HE_MCS) + seq_puts(s, "HE "); + else + seq_printf(s, "Bitrate %d\n", rate->legacy); + + if (rate->flags) { + seq_printf(s, "%s NSS%d MCS%d ", + bw[rate->bw], rate->nss, rate->mcs); + + if (rate->flags & RATE_INFO_FLAGS_SHORT_GI) + seq_puts(s, "SGI "); + else if (rate->he_gi) + seq_puts(s, "HE GI "); + + if (rate->he_dcm) + seq_puts(s, "DCM "); + } + + seq_printf(s, "\nPPDU PER: %ld.%1ld%%\n", + stats->per / 10, stats->per % 10); + + return 0; +} + +static int +mt7915_sta_stats_open(struct inode *inode, struct file *f) +{ + return single_open(f, mt7915_sta_stats_read, inode->i_private); +} + +static const struct file_operations fops_sta_stats = { + .open = mt7915_sta_stats_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, struct dentry *dir) +{ + debugfs_create_file("stats", 0400, dir, sta, &fops_sta_stats); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index 097225692026..6cb69ae6cb0e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -746,4 +746,7 @@ const struct ieee80211_ops mt7915_ops = { .get_antenna = mt76_get_antenna, .set_antenna = mt7915_set_antenna, .set_coverage_class = mt7915_set_coverage_class, +#ifdef CONFIG_MAC80211_DEBUGFS + .sta_add_debugfs = mt7915_sta_add_debugfs, +#endif }; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index 92a6bf746d73..35e34d270c15 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -448,5 +448,9 @@ int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy); void mt7915_set_stream_he_caps(struct mt7915_phy *phy); void mt7915_update_channel(struct mt76_dev *mdev); int mt7915_init_debugfs(struct mt7915_dev *dev); +#ifdef CONFIG_MAC80211_DEBUGFS +void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, struct dentry *dir); +#endif #endif