From patchwork Thu Feb 24 11:54:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 12758422 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 B924AC433FE for ; Thu, 24 Feb 2022 11:55:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234139AbiBXL4M (ORCPT ); Thu, 24 Feb 2022 06:56:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54016 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231176AbiBXL4M (ORCPT ); Thu, 24 Feb 2022 06:56:12 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95456254550 for ; Thu, 24 Feb 2022 03:55:42 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 3EB43B825AD for ; Thu, 24 Feb 2022 11:55:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 01897C340E9; Thu, 24 Feb 2022 11:55:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1645703739; bh=GW8VsTIv8BXctQU44tUWIK1GWbivLjGdkDJaT6BfhOU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j7zHEHU5KDSstg+ne/kQu17JTGrYOPvlhs8IM7zdGk75A/Pi8bJtzkVmvXUzbkvAY /YX2psVPhcUOktnY8hCO+aE6ellMHPBzCb6eZ0kiyngaHPGPzZO7NlZsCNNFrMUY91 AEZiP/JDIEeDSsu7s7GKzwZtZacEzi6U82m3L/+vef9TcskN4KKfmR7pcA4oyGV5sv 8XqkG3ZVis7JEaBS20wZcDmMVpF1MOSuoqwDeSo+uqQE5dcsHw5bpJtEZIcLgsk+of CxIV28oqBPXSFHJVeuzxlzhK9NNP7zGhiN2q3HY/eskTn9EVVpb1EM/1TLKy15XHE1 4mkMrXR3+Ixmg== From: Lorenzo Bianconi To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, quic_alokad@quicinc.com, john@phrozen.org, nbd@nbd.name, ryder.lee@mediatek.com, money.wang@mediatek.com, evelyn.tsai@mediatek.com Subject: [PATCH v14 mac80211-next 2/3] mac80211: MBSSID channel switch Date: Thu, 24 Feb 2022 12:54:59 +0100 Message-Id: <6fde4d7f9fa387494f46a7aa4a584478dcda06f1.1645702516.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: John Crispin Trigger ieee80211_csa_finish() on the non-transmitting interfaces when channel switch concludes on the transmitting interface. Co-developed-by: Lorenzo Bianconi Signed-off-by: Lorenzo Bianconi Co-developed-by: Aloka Dixit Signed-off-by: Aloka Dixit Signed-off-by: John Crispin --- net/mac80211/cfg.c | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index f7324a6d4a78..464d2896fbbc 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3251,9 +3251,31 @@ cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) void ieee80211_csa_finish(struct ieee80211_vif *vif) { struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); + struct ieee80211_local *local = sdata->local; - ieee80211_queue_work(&sdata->local->hw, - &sdata->csa_finalize_work); + rcu_read_lock(); + + if (vif->mbssid_tx_vif == vif) { + /* Trigger ieee80211_csa_finish() on the non-transmitting + * interfaces when channel switch is received on + * transmitting interface + */ + struct ieee80211_sub_if_data *iter; + + list_for_each_entry_rcu(iter, &local->interfaces, list) { + if (!ieee80211_sdata_running(iter)) + continue; + + if (iter == sdata || iter->vif.mbssid_tx_vif != vif) + continue; + + ieee80211_queue_work(&iter->local->hw, + &iter->csa_finalize_work); + } + } + ieee80211_queue_work(&local->hw, &sdata->csa_finalize_work); + + rcu_read_unlock(); } EXPORT_SYMBOL(ieee80211_csa_finish);