From mboxrd@z Thu Jan 1 00:00:00 1970 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 2D7DAC352AA for ; Tue, 12 Apr 2022 06:56:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351289AbiDLG6J (ORCPT ); Tue, 12 Apr 2022 02:58:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48658 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351559AbiDLGx6 (ORCPT ); Tue, 12 Apr 2022 02:53:58 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 78486186F2; Mon, 11 Apr 2022 23:42:51 -0700 (PDT) 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 2D07FB818BD; Tue, 12 Apr 2022 06:42:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 979E7C385A6; Tue, 12 Apr 2022 06:42:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649745769; bh=MULgWNzYKIeZ6LHFtLTCYQ836O4d8ZKzFDBUaakDnv4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pPzHXGUxxBfTLBMKoiC8aJYcMfGNdP43UONn0//suExuHtf6teWzqRAQ1hikkrzDM jem4pSjxBA9NDkKbaSvRns+dj/CdTmWRpCSPrHeR6SS5swu9WsZnacZLLfvGoA6I95 Mt6aINWO+D8c/1bTPBsNfJrTXU8m/5cjbqi2uFK4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Avraham Stern , Luca Coelho , Johannes Berg , Sasha Levin Subject: [PATCH 5.15 040/277] cfg80211: dont add non transmitted BSS to 6GHz scanned channels Date: Tue, 12 Apr 2022 08:27:23 +0200 Message-Id: <20220412062943.209285627@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220412062942.022903016@linuxfoundation.org> References: <20220412062942.022903016@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Avraham Stern [ Upstream commit 5666ee154f4696c011dfa8544aaf5591b6b87515 ] When adding 6GHz channels to scan request based on reported co-located APs, don't add channels that have only APs with "non-transmitted" BSSes if they only match the wildcard SSID since they will be found by probing the "transmitted" BSS. Signed-off-by: Avraham Stern Signed-off-by: Luca Coelho Link: https://lore.kernel.org/r/iwlwifi.20220202104617.f6ddf099f934.I231e55885d3644f292d00dfe0f42653269f2559e@changeid Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/wireless/scan.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/net/wireless/scan.c b/net/wireless/scan.c index adc0d14cfd86..8e1e578d64bc 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -702,8 +702,12 @@ static bool cfg80211_find_ssid_match(struct cfg80211_colocated_ap *ap, for (i = 0; i < request->n_ssids; i++) { /* wildcard ssid in the scan request */ - if (!request->ssids[i].ssid_len) + if (!request->ssids[i].ssid_len) { + if (ap->multi_bss && !ap->transmitted_bssid) + continue; + return true; + } if (ap->ssid_len && ap->ssid_len == request->ssids[i].ssid_len) { @@ -829,6 +833,9 @@ static int cfg80211_scan_6ghz(struct cfg80211_registered_device *rdev) !cfg80211_find_ssid_match(ap, request)) continue; + if (!request->n_ssids && ap->multi_bss && !ap->transmitted_bssid) + continue; + cfg80211_scan_req_add_chan(request, chan, true); memcpy(scan_6ghz_params->bssid, ap->bssid, ETH_ALEN); scan_6ghz_params->short_ssid = ap->short_ssid; -- 2.35.1