From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from vtj.irix.systems (vtj.irix.systems [82.76.27.144]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E06E4347532; Sun, 4 Oct 2026 11:16:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=82.76.27.144 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791112565; cv=none; b=t0EbTB6bWi2i98XPXffPSr3xw6XJsvqPYrakAnnAnoDgUc54eY1hd0rtJETA+qYwNC8AQLGmjsO6cKKtJXLEPY/W2uOrCVvLZrelhu8cTmHGYrsgSH3WMKIF1T5qIFhNmYmwKz1HWMidklkTeLEQZvFvhbNhHXtbsN5fStAfGhQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791112565; c=relaxed/simple; bh=Tjc3sDrrfnV/Awa6+Nx549H1v7BSIdq/DFLvusJJ/g8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ipU8WkXcS1gtMiTBuS0plnQ/1IZRoXRaLiovi2rbN672QCvkZpnkuhG0SM+iXS5//qAQAPHWMpisZmLrcuX++Pt6WdpM040bnC7bTg3SfA4vw0YM9PoscYmDkltDCKwhvuad81KrQAHqSn+s58Ec4FVoabc06Q682O/QfUVVCbg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=andrei-z.com; spf=pass smtp.mailfrom=andrei-z.com; dkim=pass (2048-bit key) header.d=andrei-z.com header.i=@andrei-z.com header.b=eSVenpYS; arc=none smtp.client-ip=82.76.27.144 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=andrei-z.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=andrei-z.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=andrei-z.com header.i=@andrei-z.com header.b="eSVenpYS" Received: from MAILGW-BIG.big.vtj.corp.irix.systems (localhost [127.0.0.1]) by vtj.irix.systems (Proxmox) with ESMTP id EB11C1033E; Sun, 04 Oct 2026 14:16:01 +0300 (EEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=andrei-z.com; h= cc:cc:content-transfer-encoding:content-type:content-type:date :from:from:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to; s=sig1; bh=Lt4goGLH0Kta1yOw1oxH saCZ9Yc/40nWRnFA2qzPMLk=; b=eSVenpYSRTQm560xk3N3+PV7fRyXjMHr2B7L hOXSQnLdrd6P4oIkR9BDVaxVM0fdKY/cam+2Y+fpNVzJTImCC7v18qB7xVwyOArh Q1nF4Nt1/Y7EpvbiCqMqtR5S2U12y5AHLTUTMzsAK5uLDGnD2+EhA7q/A4WDR5tl sryeraMGkpC2ScZm/pssNk+UtlxTf6DNjylzbT/4aLPdAoJwjW5pL3uFM0m3M9u2 NcMW1K9UF1yQYg9c0uO4mqdXzn8Y5wHyaQwLsDhSRNKP/r/TQy2FZgc5qYBblIRe zND9DaUNiiRZtIwYEN4O2m0CMYjDO3owxvDbG7duRxRKAJudNw== Received: from VTJ-MX.corp.irix.systems (unknown [10.57.36.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by vtj.irix.systems (Proxmox) with ESMTPS id 5096810412; Sun, 04 Oct 2026 14:16:01 +0300 (EEST) Received: from workspace.corp.irix.systems (2a02:2f04:1:9c23::c) by VTJ-MX.corp.irix.systems (2a02:2f04:1:9c24::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.49; Sun, 4 Oct 2026 14:16:01 +0300 From: Andrei-Alexandru Bleortu To: Johannes Berg CC: , , Felix Fietkau Subject: [PATCH wireless-next 1/2] wifi: mac80211: notify driver on airtime weight changes Date: Sun, 4 Oct 2026 14:14:49 +0300 Message-ID: X-Mailer: git-send-email 2.47.3 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: VTJ-MX.corp.irix.systems (2a02:2f04:1:9c24::6) To VTJ-MX.corp.irix.systems (2a02:2f04:1:9c24::6) From: Felix Fietkau Add a new sta_set_airtime_weight driver op so drivers can program the airtime fairness weight into hardware. The op is called when the weight is updated via sta_apply_parameters, and on station upload if a non-default weight is already set. Signed-off-by: Felix Fietkau Signed-off-by: Andrei-Alexandru Bleortu --- include/net/mac80211.h | 5 +++++ net/mac80211/cfg.c | 6 +++++- net/mac80211/driver-ops.c | 4 ++++ net/mac80211/driver-ops.h | 19 +++++++++++++++++++ net/mac80211/sta_info.c | 7 ++++++- net/mac80211/trace.h | 27 +++++++++++++++++++++++++++ 6 files changed, 66 insertions(+), 2 deletions(-) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index cb9f8e14b3..aab98d92ee 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -4694,6 +4694,8 @@ struct ieee80211_prep_tx_info { * @set_sar_specs: Update the SAR (TX power) settings. * @sta_set_decap_offload: Called to notify the driver when a station is allowed * to use rx decapsulation offload + * @sta_set_airtime_weight: Called to notify the driver of a change to a + * station's airtime fairness weight, so it can be programmed in hardware. * @add_twt_setup: Update hw with TWT agreement parameters received from the peer. * This callback allows the hw to check if requested parameters * are supported and if there is enough room for a new agreement. @@ -5108,6 +5110,9 @@ struct ieee80211_ops { void (*sta_set_decap_offload)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, bool enabled); + void (*sta_set_airtime_weight)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, u16 weight); void (*add_twt_setup)(struct ieee80211_hw *hw, struct ieee80211_sta *sta, struct ieee80211_twt_setup *twt); diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index bd1a857c81..28f99a8f8a 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2616,8 +2616,12 @@ static int sta_apply_parameters(struct ieee80211_local *local, if (ieee80211_vif_is_mesh(&sdata->vif)) sta_apply_mesh_params(local, sta, params); - if (params->airtime_weight) + if (params->airtime_weight) { sta->airtime_weight = params->airtime_weight; + if (sta->uploaded) + drv_sta_set_airtime_weight(local, sdata, &sta->sta, + sta->airtime_weight); + } if (params->nmi_mac) { struct ieee80211_sub_if_data *nmi = diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c index 49753b73ab..083c265175 100644 --- a/net/mac80211/driver-ops.c +++ b/net/mac80211/driver-ops.c @@ -157,6 +157,10 @@ int drv_sta_state(struct ieee80211_local *local, sta->uploaded = true; if (rcu_access_pointer(sta->sta.rates)) drv_sta_rate_tbl_update(local, sdata, &sta->sta); + if (sta->airtime_weight != IEEE80211_DEFAULT_AIRTIME_WEIGHT) + drv_sta_set_airtime_weight(local, sdata, + &sta->sta, + sta->airtime_weight); } } else if (old_state == IEEE80211_STA_ASSOC && new_state == IEEE80211_STA_AUTH) { diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index f1c0b87fdd..bd5c9d1edc 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -1633,6 +1633,25 @@ static inline void drv_sta_set_decap_offload(struct ieee80211_local *local, trace_drv_return_void(local); } +static inline void drv_sta_set_airtime_weight(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta *sta, + u16 weight) +{ + sdata = get_bss_sdata(sdata); + + might_sleep(); + lockdep_assert_wiphy(local->hw.wiphy); + if (!check_sdata_in_driver(sdata)) + return; + + trace_drv_sta_set_airtime_weight(local, sdata, sta, weight); + if (local->ops->sta_set_airtime_weight) + local->ops->sta_set_airtime_weight(&local->hw, &sdata->vif, sta, + weight); + trace_drv_return_void(local); +} + static inline void drv_add_twt_setup(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta, diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index e81cd15519..2ce3ef905f 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -872,8 +872,13 @@ static int sta_info_insert_drv_state(struct ieee80211_local *local, * Drivers using legacy sta_add/sta_remove callbacks only * get uploaded set to true after sta_add is called. */ - if (!local->ops->sta_add) + if (!local->ops->sta_add) { sta->uploaded = true; + if (sta->airtime_weight != IEEE80211_DEFAULT_AIRTIME_WEIGHT) + drv_sta_set_airtime_weight(local, sdata, + &sta->sta, + sta->airtime_weight); + } return 0; } diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index 562a4964af..3ae7e78de7 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -2462,6 +2462,33 @@ DEFINE_EVENT(sta_flag_evt, drv_sta_set_decap_offload, TP_ARGS(local, sdata, sta, enabled) ); +TRACE_EVENT(drv_sta_set_airtime_weight, + TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta *sta, u16 weight), + + TP_ARGS(local, sdata, sta, weight), + + TP_STRUCT__entry( + LOCAL_ENTRY + VIF_ENTRY + STA_ENTRY + __field(u16, weight) + ), + + TP_fast_assign( + LOCAL_ASSIGN; + VIF_ASSIGN; + STA_ASSIGN; + __entry->weight = weight; + ), + + TP_printk( + LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " weight:%u", + LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->weight + ) +); + TRACE_EVENT(drv_add_twt_setup, TP_PROTO(struct ieee80211_local *local, struct ieee80211_sta *sta, -- 2.47.3