From patchwork Fri Sep 2 14:12:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Berg X-Patchwork-Id: 12964294 X-Patchwork-Delegate: johannes@sipsolutions.net Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF5E9C54EE9 for ; Fri, 2 Sep 2022 14:51:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237139AbiIBOve (ORCPT ); Fri, 2 Sep 2022 10:51:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58380 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236580AbiIBOvE (ORCPT ); Fri, 2 Sep 2022 10:51:04 -0400 Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:191:4433::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1AC1A82FB7 for ; Fri, 2 Sep 2022 07:13:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Content-Type:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=DJ01+NeHqJ+XouUvPRpEV5QJqsp1sG1Hy/t+PQvBcHM=; t=1662127989; x=1663337589; b=WRa86XUYTCey+KGOAfFNPAiuFFbC/3mknaJ6UIpaOthWmny 6oKY6dHUEkBQvxL6MLV9SMbutwDL21s8VmJFJDg+bCXOFMs+qtCG+hzoDV5xOjiVJ+rsruGZjxo// ozB//W9SK0exvwRKk8FbUBUto+T2nK4jLIdgjllYtP+T3jJyfi9YDr2d8sjCnLktZZsQTZDFeNl6m F45ZxeJ8P2xXPXgSqFQbD9Kyo/w0tLXvP2TlOrTMS3nBPbpOut6F71IA9DRm+FRnyddOTgm/52ZyT 96SmEOjemYm7nAyb+9ig7b2IJ9wrhXBcp+2kDcAFkAGu98KHCIaHKKcMEUW5SRHQ==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.96) (envelope-from ) id 1oU7Pv-006Ch3-0K; Fri, 02 Sep 2022 16:13:07 +0200 From: Johannes Berg To: linux-wireless@vger.kernel.org Cc: Benjamin Berg Subject: [PATCH 08/27] wifi: mac80211: use correct rx link_sta instead of default Date: Fri, 2 Sep 2022 16:12:40 +0200 Message-Id: <20220902161143.028e767b20a4.I4133fd56517e260f147fce5a65f5a0b8bfa70d69@changeid> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220902141259.377789-1-johannes@sipsolutions.net> References: <20220902141259.377789-1-johannes@sipsolutions.net> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Benjamin Berg Use rx->link_sta everywhere instead of accessing the default link. Signed-off-by: Benjamin Berg Signed-off-by: Johannes Berg --- net/mac80211/rx.c | 69 ++++++++++++++++++++++++----------------------- 1 file changed, 35 insertions(+), 34 deletions(-) diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 511c809e2c6b..38622446ea8a 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1452,7 +1452,7 @@ ieee80211_rx_h_check_dup(struct ieee80211_rx_data *rx) if (unlikely(ieee80211_has_retry(hdr->frame_control) && rx->sta->last_seq_ctrl[rx->seqno_idx] == hdr->seq_ctrl)) { I802_DEBUG_INC(rx->local->dot11FrameDuplicateCount); - rx->sta->deflink.rx_stats.num_duplicates++; + rx->link_sta->rx_stats.num_duplicates++; return RX_DROP_UNUSABLE; } else if (!(status->flag & RX_FLAG_AMSDU_MORE)) { rx->sta->last_seq_ctrl[rx->seqno_idx] = hdr->seq_ctrl; @@ -1731,12 +1731,13 @@ static ieee80211_rx_result debug_noinline ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) { struct sta_info *sta = rx->sta; + struct link_sta_info *link_sta = rx->link_sta; struct sk_buff *skb = rx->skb; struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; int i; - if (!sta) + if (!sta || !link_sta) return RX_CONTINUE; /* @@ -1752,47 +1753,47 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) NL80211_IFTYPE_ADHOC); if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid) && test_sta_flag(sta, WLAN_STA_AUTHORIZED)) { - sta->deflink.rx_stats.last_rx = jiffies; + link_sta->rx_stats.last_rx = jiffies; if (ieee80211_is_data(hdr->frame_control) && !is_multicast_ether_addr(hdr->addr1)) - sta->deflink.rx_stats.last_rate = + link_sta->rx_stats.last_rate = sta_stats_encode_rate(status); } } else if (rx->sdata->vif.type == NL80211_IFTYPE_OCB) { - sta->deflink.rx_stats.last_rx = jiffies; + link_sta->rx_stats.last_rx = jiffies; } else if (!ieee80211_is_s1g_beacon(hdr->frame_control) && !is_multicast_ether_addr(hdr->addr1)) { /* * Mesh beacons will update last_rx when if they are found to * match the current local configuration when processed. */ - sta->deflink.rx_stats.last_rx = jiffies; + link_sta->rx_stats.last_rx = jiffies; if (ieee80211_is_data(hdr->frame_control)) - sta->deflink.rx_stats.last_rate = sta_stats_encode_rate(status); + link_sta->rx_stats.last_rate = sta_stats_encode_rate(status); } - sta->deflink.rx_stats.fragments++; + link_sta->rx_stats.fragments++; - u64_stats_update_begin(&rx->sta->deflink.rx_stats.syncp); - sta->deflink.rx_stats.bytes += rx->skb->len; - u64_stats_update_end(&rx->sta->deflink.rx_stats.syncp); + u64_stats_update_begin(&link_sta->rx_stats.syncp); + link_sta->rx_stats.bytes += rx->skb->len; + u64_stats_update_end(&link_sta->rx_stats.syncp); if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) { - sta->deflink.rx_stats.last_signal = status->signal; - ewma_signal_add(&sta->deflink.rx_stats_avg.signal, + link_sta->rx_stats.last_signal = status->signal; + ewma_signal_add(&link_sta->rx_stats_avg.signal, -status->signal); } if (status->chains) { - sta->deflink.rx_stats.chains = status->chains; + link_sta->rx_stats.chains = status->chains; for (i = 0; i < ARRAY_SIZE(status->chain_signal); i++) { int signal = status->chain_signal[i]; if (!(status->chains & BIT(i))) continue; - sta->deflink.rx_stats.chain_signal_last[i] = signal; - ewma_signal_add(&sta->deflink.rx_stats_avg.chain_signal[i], + link_sta->rx_stats.chain_signal_last[i] = signal; + ewma_signal_add(&link_sta->rx_stats_avg.chain_signal[i], -signal); } } @@ -1853,7 +1854,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) * Update counter and free packet here to avoid * counting this as a dropped packed. */ - sta->deflink.rx_stats.packets++; + link_sta->rx_stats.packets++; dev_kfree_skb(rx->skb); return RX_QUEUED; } @@ -2389,7 +2390,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx) out: ieee80211_led_rx(rx->local); if (rx->sta) - rx->sta->deflink.rx_stats.packets++; + rx->link_sta->rx_stats.packets++; return RX_CONTINUE; } @@ -2665,9 +2666,9 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx) * for non-QoS-data frames. Here we know it's a data * frame, so count MSDUs. */ - u64_stats_update_begin(&rx->sta->deflink.rx_stats.syncp); - rx->sta->deflink.rx_stats.msdu[rx->seqno_idx]++; - u64_stats_update_end(&rx->sta->deflink.rx_stats.syncp); + u64_stats_update_begin(&rx->link_sta->rx_stats.syncp); + rx->link_sta->rx_stats.msdu[rx->seqno_idx]++; + u64_stats_update_end(&rx->link_sta->rx_stats.syncp); } if ((sdata->vif.type == NL80211_IFTYPE_AP || @@ -3364,7 +3365,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) switch (mgmt->u.action.category) { case WLAN_CATEGORY_HT: /* reject HT action frames from stations not supporting HT */ - if (!rx->sta->sta.deflink.ht_cap.ht_supported) + if (!rx->link_sta->pub->ht_cap.ht_supported) goto invalid; if (sdata->vif.type != NL80211_IFTYPE_STATION && @@ -3428,26 +3429,26 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) struct sta_opmode_info sta_opmode = {}; /* If it doesn't support 40 MHz it can't change ... */ - if (!(rx->sta->sta.deflink.ht_cap.cap & + if (!(rx->link_sta->pub->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) goto handled; if (chanwidth == IEEE80211_HT_CHANWIDTH_20MHZ) max_bw = IEEE80211_STA_RX_BW_20; else - max_bw = ieee80211_sta_cap_rx_bw(&rx->sta->deflink); + max_bw = ieee80211_sta_cap_rx_bw(rx->link_sta); /* set cur_max_bandwidth and recalc sta bw */ - rx->sta->deflink.cur_max_bandwidth = max_bw; - new_bw = ieee80211_sta_cur_vht_bw(&rx->sta->deflink); + rx->link_sta->cur_max_bandwidth = max_bw; + new_bw = ieee80211_sta_cur_vht_bw(rx->link_sta); - if (rx->sta->sta.deflink.bandwidth == new_bw) + if (rx->link_sta->pub->bandwidth == new_bw) goto handled; - rx->sta->sta.deflink.bandwidth = new_bw; + rx->link_sta->pub->bandwidth = new_bw; sband = rx->local->hw.wiphy->bands[status->band]; sta_opmode.bw = - ieee80211_sta_rx_bw_to_chan_width(&rx->sta->deflink); + ieee80211_sta_rx_bw_to_chan_width(rx->link_sta); sta_opmode.changed = STA_OPMODE_MAX_BW_CHANGED; rate_control_rate_update(local, sband, rx->sta, 0, @@ -3641,7 +3642,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) handled: if (rx->sta) - rx->sta->deflink.rx_stats.packets++; + rx->link_sta->rx_stats.packets++; dev_kfree_skb(rx->skb); return RX_QUEUED; @@ -3685,7 +3686,7 @@ ieee80211_rx_h_userspace_mgmt(struct ieee80211_rx_data *rx) if (cfg80211_rx_mgmt_ext(&rx->sdata->wdev, &info)) { if (rx->sta) - rx->sta->deflink.rx_stats.packets++; + rx->link_sta->rx_stats.packets++; dev_kfree_skb(rx->skb); return RX_QUEUED; } @@ -3723,7 +3724,7 @@ ieee80211_rx_h_action_post_userspace(struct ieee80211_rx_data *rx) handled: if (rx->sta) - rx->sta->deflink.rx_stats.packets++; + rx->link_sta->rx_stats.packets++; dev_kfree_skb(rx->skb); return RX_QUEUED; } @@ -3943,7 +3944,7 @@ static void ieee80211_rx_handlers_result(struct ieee80211_rx_data *rx, case RX_DROP_MONITOR: I802_DEBUG_INC(rx->sdata->local->rx_handlers_drop); if (rx->sta) - rx->sta->deflink.rx_stats.dropped++; + rx->link_sta->rx_stats.dropped++; fallthrough; case RX_CONTINUE: { struct ieee80211_rate *rate = NULL; @@ -3962,7 +3963,7 @@ static void ieee80211_rx_handlers_result(struct ieee80211_rx_data *rx, case RX_DROP_UNUSABLE: I802_DEBUG_INC(rx->sdata->local->rx_handlers_drop); if (rx->sta) - rx->sta->deflink.rx_stats.dropped++; + rx->link_sta->rx_stats.dropped++; dev_kfree_skb(rx->skb); break; case RX_QUEUED: