From patchwork Tue Apr 14 21:01:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 11489243 X-Patchwork-Delegate: nbd@nbd.name 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 04DD61392 for ; Tue, 14 Apr 2020 21:03:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E25BA2076C for ; Tue, 14 Apr 2020 21:03:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="C56tt4dD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2633608AbgDNVDA (ORCPT ); Tue, 14 Apr 2020 17:03:00 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:47633 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2633572AbgDNVBz (ORCPT ); Tue, 14 Apr 2020 17:01:55 -0400 X-UUID: 785d2694023443bc94f564ff5e75bd3a-20200415 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=C56tt4dDAGcS6vGLmjslm0F5k7j2P1m9eKMwfyLLCm/P312dU/u4KA3WWLViO7/yKffpKg+sk0X9cKQ1SIsGSOO4OmuFuO20KU+KiV5iIfsZTSeRDRQuKqK6yEr1mmFgbcxifGdOgcnYGf6nphu+Hmy/T8zvXEyH6qcRSX+Gaf0=; X-UUID: 785d2694023443bc94f564ff5e75bd3a-20200415 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 768372044; Wed, 15 Apr 2020 05:01:36 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 15 Apr 2020 05:01:35 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 15 Apr 2020 05:01:33 +0800 From: Ryder Lee To: Felix Fietkau , Lorenzo Bianconi CC: Shayne Chen , YF Luo , Yiwei Chung , Chih-Min Chen , Evelyn Tsai , Sean Wang , , , Ryder Lee Subject: [PATCH v2 13/18] mt76: mt7915: add .sta_add_debugfs support Date: Wed, 15 Apr 2020 05:01:11 +0800 Message-ID: <14ea40af9346cbd3964d56756e298e2dde172b2d.1586895593.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: References: MIME-Version: 1.0 X-MTK: N Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.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