From patchwork Mon Jan 29 19:35:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Berg X-Patchwork-Id: 768429 Received: from sipsolutions.net (s3.sipsolutions.net [168.119.38.16]) (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 53FF815705E for ; Mon, 29 Jan 2024 19:35:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=168.119.38.16 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706556950; cv=none; b=R0lFLLLNeZtAUGqQTWGobvcuLlhmys5IZsnnveM0LFXsk9XQylVKvsuIoZJZEmsg37GDLSTKWYCp5KJ3Z7LxqwiCHk3S0VoY4EyRareio+hh4f8jjq7urKFlfERDKLugLGviNJlcDKciIt+UT1LvisvXHQxJJXaEAO01PTuYNds= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706556950; c=relaxed/simple; bh=3EQjtWsS4OwB0JOIyVXpPaZWm0FREW4GbwAa2a/DEO8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=pziV6IASyj1WBNltqedMgncICVsc742NMGFDj1XFBfHyMXl+YqVMh8JEH8deoZffHVrKPovwu21jOlyuhZ4+LA8gdmqeETzfsm63RslwNQiEsl+CdYFeJcJN7RRhsCmy752oLoKD5D5unLJzYSg+0v1eRRL7YHSSlpVL56A/E7s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net; spf=pass smtp.mailfrom=sipsolutions.net; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b=PwTE7zrc; arc=none smtp.client-ip=168.119.38.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b="PwTE7zrc" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:MIME-Version: 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:In-Reply-To:References; bh=fnsj4qsosH2pk8jEEZi0PPmDUFSR6Svca5HkV8IFDxM=; t=1706556949; x=1707766549; b=PwTE7zrcjzgOx7s2X4Ynh6G7V4KxbiA7GBHKWDlfJ3ALrsZAB8phgDEUUfIgVOwGQVSgcZOB0wF Hgd6fUT9DuPZ88FSCTkU0iFdwdCOAV3e0znZ8gDprOoV6meteUiTHGXca3NQBrjBRz77MqIL+ciwR 4FhNN8pEI0V8g+dQLH5KJZjMXBlDvvvMaZPm0ejlwDt0eM2qagO8lCcwHC+4nxOxV3PVBJRvnqI6r /CnntUi5OA+V1dAX9/a/hvjF91P/qFMcVR4gZyxtbvudPQQloXUdT1jjBIqQptEq/GGvFRKFl60nE PnXfJQ5BJNb6kXIh0jzIyTcCZWQKfvPeZfrA==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.97) (envelope-from ) id 1rUXQ2-000000051Ns-2u44; Mon, 29 Jan 2024 20:35:46 +0100 From: Johannes Berg To: linux-wireless@vger.kernel.org Cc: Johannes Berg Subject: [PATCH] wifi: mac80211: allow CSA to same channel Date: Mon, 29 Jan 2024 20:35:45 +0100 Message-ID: <20240129203544.ef7258d5790d.Idafe22e41621757458d4960659b9621853f7104d@changeid> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Johannes Berg This could be used e.g. for temporarily sending quiet (mode=1 in CSA/ECSA), or updating bandwidth. This is also useful for testing, since it's something that an AP may do and the client needs to be prepared. Simply allow it. Signed-off-by: Johannes Berg --- net/mac80211/cfg.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 8f647e28e354..c92acbf7b002 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3874,10 +3874,6 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, if (sdata->wdev.cac_started) return -EBUSY; - if (cfg80211_chandef_identical(&chanreq.oper, - &sdata->vif.bss_conf.chanreq.oper)) - return -EINVAL; - if (chanreq.oper.punctured && !sdata->vif.bss_conf.eht_support) return -EINVAL;