From patchwork Mon Oct 7 17:38:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Greear X-Patchwork-Id: 833551 Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.164]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F3D8012B143 for ; Mon, 7 Oct 2024 17:39:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.154.164 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728322745; cv=none; b=Yx+QGlgacsl87hZ3OiHE4dN6ZHg4u3tNL/UpzfUIhnV3gMb4G+Kfb2en8Tic2QMTsjmcLjO7QyFatYldJ+PWMWqUMIa984s8rPN9XOKfXxLICb1wMnT1xrvBSfLMH+hzOIfamvLfJjPASDtJxwnwGjNiakVIHdh2Bo6syed9W/M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728322745; c=relaxed/simple; bh=PJyqJf7t1w3Lc2RWRM8uhcfUGQwrksolMz70HkKMAIU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sGfsXMu/8Usr1Y5hkKhh77ZqoyJEGCIy3Vk8EIlWeuRXw9Ch089xblr1JyP5QCyzzBtLBeZf0aOPD/Dp/VpO5K7QqEmGPhp4NEUoZJTfaSZUqAaNYoAYp3ZqarrYARFKkTYnqavhjC59+HIi78yDywDWnB+1jy1pUcv9O2a8bmw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=candelatech.com; spf=pass smtp.mailfrom=candelatech.com; dkim=pass (1024-bit key) header.d=candelatech.com header.i=@candelatech.com header.b=I9vzMXax; arc=none smtp.client-ip=67.231.154.164 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=candelatech.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=candelatech.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=candelatech.com header.i=@candelatech.com header.b="I9vzMXax" X-Virus-Scanned: Proofpoint Essentials engine Received: from mail3.candelatech.com (mail.candelatech.com [208.74.158.173]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 1DB3CC0006F for ; Mon, 7 Oct 2024 17:38:54 +0000 (UTC) Received: from ben-dt5.candelatech.com (unknown [50.251.239.81]) by mail3.candelatech.com (Postfix) with ESMTP id 7B25013C2B0; Mon, 7 Oct 2024 10:38:54 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mail3.candelatech.com 7B25013C2B0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=candelatech.com; s=default; t=1728322734; bh=PJyqJf7t1w3Lc2RWRM8uhcfUGQwrksolMz70HkKMAIU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=I9vzMXax0Pu6PvUQGRRYD1RMeRuq25osao1dcuI46rZtv+Tqk8zErq/64gEonGtpL vDhjUWu5x/u6eQ7sr0p3w2PfEbaupf6y/sviyWrM0NrJkpN2nvIMJ8tJRLmmoPNFId 7HeRLNdOKppLMb78St9g2o3zQxKUV8OcVyQWWJIg= From: greearb@candelatech.com To: linux-wireless@vger.kernel.org Cc: Ben Greear Subject: [PATCH 2/2] wifi: mac80211: Assign tx-stats to the proper link. Date: Mon, 7 Oct 2024 10:38:51 -0700 Message-ID: <20241007173851.2207849-2-greearb@candelatech.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20241007173851.2207849-1-greearb@candelatech.com> References: <20241007173851.2207849-1-greearb@candelatech.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MDID: 1728322735-EPuJFRTlTNvI X-MDID-O: us5; at1; 1728322735; EPuJFRTlTNvI; ; f7146c1849a4b08a52804beb1c1cdf45 X-PPE-TRUSTED: V=1;DIR=OUT; From: Ben Greear For drivers that can report the tx link-id, account tx stats against that link. If we cannot determine tx link, then use deflink. Signed-off-by: Ben Greear --- net/mac80211/status.c | 74 +++++++++++++++++++++++++++++++------------ 1 file changed, 53 insertions(+), 21 deletions(-) diff --git a/net/mac80211/status.c b/net/mac80211/status.c index b41b867f43b2..8a3ea9219a15 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -41,6 +41,26 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw, } EXPORT_SYMBOL(ieee80211_tx_status_irqsafe); +static struct link_sta_info* +ieee80211_get_tx_link_sta(struct sta_info *sta, struct ieee80211_tx_info *info) +{ + u8 link_id = IEEE80211_LINK_UNSPECIFIED; + struct link_sta_info *l_sta_info; + + if (!sta) + return NULL; + + if (info) + link_id = u32_get_bits(info->control.flags, IEEE80211_TX_CTRL_MLO_LINK); + + if (link_id != IEEE80211_LINK_UNSPECIFIED) { + l_sta_info = rcu_access_pointer(sta->link[link_id]); + if (l_sta_info) + return l_sta_info; + } + return &sta->deflink; +} + static void ieee80211_handle_filtered_frame(struct ieee80211_local *local, struct sta_info *sta, struct sk_buff *skb) @@ -48,6 +68,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local, struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ieee80211_hdr *hdr = (void *)skb->data; int ac; + struct link_sta_info *link_sta = ieee80211_get_tx_link_sta(sta, info); if (info->flags & (IEEE80211_TX_CTL_NO_PS_BUFFER | IEEE80211_TX_CTL_AMPDU | @@ -72,7 +93,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local, info->flags |= IEEE80211_TX_INTFL_RETRANSMISSION; info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS; - sta->deflink.status_stats.filtered++; + link_sta->status_stats.filtered++; /* * Clear more-data bit on filtered frames, it might be set @@ -826,6 +847,7 @@ static void ieee80211_lost_packet(struct sta_info *sta, { unsigned long pkt_time = STA_LOST_PKT_TIME; unsigned int pkt_thr = STA_LOST_PKT_THRESHOLD; + struct link_sta_info *link_sta; /* If driver relies on its own algorithm for station kickout, skip * mac80211 packet loss mechanism. @@ -838,7 +860,8 @@ static void ieee80211_lost_packet(struct sta_info *sta, !(info->flags & IEEE80211_TX_STAT_AMPDU)) return; - sta->deflink.status_stats.lost_packets++; + link_sta = ieee80211_get_tx_link_sta(sta, info); + link_sta->status_stats.lost_packets++; if (sta->sta.tdls) { pkt_time = STA_LOST_TDLS_PKT_TIME; pkt_thr = STA_LOST_PKT_THRESHOLD; @@ -851,14 +874,14 @@ static void ieee80211_lost_packet(struct sta_info *sta, * mechanism. * For non-TDLS, use STA_LOST_PKT_THRESHOLD and STA_LOST_PKT_TIME */ - if (sta->deflink.status_stats.lost_packets < pkt_thr || - !time_after(jiffies, sta->deflink.status_stats.last_pkt_time + pkt_time)) + if (link_sta->status_stats.lost_packets < pkt_thr || + !time_after(jiffies, link_sta->status_stats.last_pkt_time + pkt_time)) return; cfg80211_cqm_pktloss_notify(sta->sdata->dev, sta->sta.addr, - sta->deflink.status_stats.lost_packets, + link_sta->status_stats.lost_packets, GFP_ATOMIC); - sta->deflink.status_stats.lost_packets = 0; + link_sta->status_stats.lost_packets = 0; } static int ieee80211_tx_get_rates(struct ieee80211_hw *hw, @@ -970,8 +993,12 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, fc = hdr->frame_control; if (status->sta) { + struct link_sta_info *link_sta; + sta = container_of(status->sta, struct sta_info, sta); + link_sta = ieee80211_get_tx_link_sta(sta, info); + if (info->flags & IEEE80211_TX_STATUS_EOSP) clear_sta_flag(sta, WLAN_STA_SP); @@ -988,7 +1015,7 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL) && (ieee80211_is_data(hdr->frame_control)) && (rates_idx != -1)) - sta->deflink.tx_stats.last_rate = + link_sta->tx_stats.last_rate = info->status.rates[rates_idx]; if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) && @@ -1034,9 +1061,9 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, return; } else if (ieee80211_is_data_present(fc)) { if (!acked && !noack_success) - sta->deflink.status_stats.msdu_failed[tid]++; + link_sta->status_stats.msdu_failed[tid]++; - sta->deflink.status_stats.msdu_retries[tid] += + link_sta->status_stats.msdu_retries[tid] += retry_count; } @@ -1144,12 +1171,15 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, int rates_idx, retry_count; bool acked, noack_success, ack_signal_valid; u16 tx_time_est; + struct link_sta_info *link_sta; if (pubsta) { sta = container_of(pubsta, struct sta_info, sta); + link_sta = ieee80211_get_tx_link_sta(sta, info); + if (status->n_rates) - sta->deflink.tx_stats.last_rate_info = + link_sta->tx_stats.last_rate_info = status->rates[status->n_rates - 1].rate_idx; } @@ -1179,8 +1209,8 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, struct ieee80211_sub_if_data *sdata = sta->sdata; if (!acked && !noack_success) - sta->deflink.status_stats.retry_failed++; - sta->deflink.status_stats.retry_count += retry_count; + link_sta->status_stats.retry_failed++; + link_sta->status_stats.retry_count += retry_count; if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) { if (sdata->vif.type == NL80211_IFTYPE_STATION && @@ -1189,13 +1219,12 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, acked, info->status.tx_time); if (acked) { - sta->deflink.status_stats.last_ack = jiffies; + link_sta->status_stats.last_ack = jiffies; - if (sta->deflink.status_stats.lost_packets) - sta->deflink.status_stats.lost_packets = 0; + link_sta->status_stats.lost_packets = 0; /* Track when last packet was ACKed */ - sta->deflink.status_stats.last_pkt_time = jiffies; + link_sta->status_stats.last_pkt_time = jiffies; /* Reset connection monitor */ if (sdata->vif.type == NL80211_IFTYPE_STATION && @@ -1203,10 +1232,10 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, sdata->u.mgd.probe_send_count = 0; if (ack_signal_valid) { - sta->deflink.status_stats.last_ack_signal = + link_sta->status_stats.last_ack_signal = (s8)info->status.ack_signal; - sta->deflink.status_stats.ack_signal_filled = true; - ewma_avg_signal_add(&sta->deflink.status_stats.avg_ack_signal, + link_sta->status_stats.ack_signal_filled = true; + ewma_avg_signal_add(&link_sta->status_stats.avg_ack_signal, -info->status.ack_signal); } } else if (test_sta_flag(sta, WLAN_STA_PS_STA)) { @@ -1270,8 +1299,11 @@ void ieee80211_tx_rate_update(struct ieee80211_hw *hw, rate_control_tx_status(local, &status); - if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) - sta->deflink.tx_stats.last_rate = info->status.rates[0]; + if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { + struct link_sta_info *link_sta = ieee80211_get_tx_link_sta(sta, info); + + link_sta->tx_stats.last_rate = info->status.rates[0]; + } } EXPORT_SYMBOL(ieee80211_tx_rate_update);