From patchwork Thu Jul 15 07:07:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aloka Dixit X-Patchwork-Id: 12379139 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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F7FEC1B08C for ; Thu, 15 Jul 2021 07:08:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 254736128D for ; Thu, 15 Jul 2021 07:08:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240226AbhGOHLI (ORCPT ); Thu, 15 Jul 2021 03:11:08 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:11741 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239044AbhGOHLH (ORCPT ); Thu, 15 Jul 2021 03:11:07 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1626332895; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: To: From: Sender; bh=kIULp/RNKUD7riG2pNoNJMee4HHcTwYm3+YjPMMBKns=; b=SQf5bvgx7FR2CwuqVl1p6sk9gbztpj/Iq3p/TO5mXqtBWliR//9xeboBW9KCZzq886i/oC+g QZUhw11ikOVqo9vt5s846mnWkl3h7+Y6FcIVQSym2slcY8kzxSoXmJeLj0gzd0KLD85PpKH/ CiJjWWqP/WD8jfvKdZFTDu1Np88= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyI3YTAwOSIsICJsaW51eC13aXJlbGVzc0B2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n06.prod.us-east-1.postgun.com with SMTP id 60efdecc17c2b4047d967a7c (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 15 Jul 2021 07:07:56 GMT Sender: alokad=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 40212C4360C; Thu, 15 Jul 2021 07:07:55 +0000 (UTC) Received: from alokad-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: alokad) by smtp.codeaurora.org (Postfix) with ESMTPSA id 70006C433D3; Thu, 15 Jul 2021 07:07:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 70006C433D3 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=alokad@codeaurora.org From: Aloka Dixit To: johannes@sipsolutions.net, linux-wireless@vger.kernel.org Subject: [PATCH v11 4/4] mac80211: channel switch for non-transmitting interfaces Date: Thu, 15 Jul 2021 00:07:45 -0700 Message-Id: <20210715070745.5033-5-alokad@codeaurora.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210715070745.5033-1-alokad@codeaurora.org> References: <20210715070745.5033-1-alokad@codeaurora.org> 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. Signed-off-by: John Crispin Co-developed-by: Aloka Dixit Signed-off-by: Aloka Dixit --- v11: Reverted changes from v10. v10: Used iflist_mtx instead of rcu_read_lock() as most other accesses to sdata->local->interfaces do so. net/mac80211/cfg.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index c95c5aacfbfa..6e1d525bf736 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3244,8 +3244,19 @@ void ieee80211_csa_finish(struct ieee80211_vif *vif) { struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); - ieee80211_queue_work(&sdata->local->hw, - &sdata->csa_finalize_work); + if (vif->mbssid_tx_vif == vif) { + struct ieee80211_sub_if_data *child, *tmp; + + list_for_each_entry_safe(child, tmp, + &sdata->local->interfaces, list) + if (child != sdata && child->vif.mbssid_tx_vif == vif && + ieee80211_sdata_running(child)) { + ieee80211_queue_work(&child->local->hw, + &child->csa_finalize_work); + } + } + + ieee80211_queue_work(&sdata->local->hw, &sdata->csa_finalize_work); } EXPORT_SYMBOL(ieee80211_csa_finish);