From patchwork Thu May 28 19:34:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Berg X-Patchwork-Id: 215464 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 7D45EC433DF for ; Thu, 28 May 2020 19:37:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 548C12078C for ; Thu, 28 May 2020 19:37:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406661AbgE1ThE (ORCPT ); Thu, 28 May 2020 15:37:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406535AbgE1ThC (ORCPT ); Thu, 28 May 2020 15:37:02 -0400 Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:191:4433::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C235C08C5C6 for ; Thu, 28 May 2020 12:37:02 -0700 (PDT) Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.93) (envelope-from ) id 1jeOIs-0054OL-Dw; Thu, 28 May 2020 21:34:58 +0200 From: Johannes Berg To: linux-wireless@vger.kernel.org Cc: Rajkumar Manoharan , Pradeep Kumar Chitrapu , Johannes Berg Subject: [PATCH v2 19/24] cfg80211: require HE capabilities for 6 GHz band Date: Thu, 28 May 2020 21:34:42 +0200 Message-Id: <20200528213443.5881cb3c8c4a.I583b54172f91f98d44af64a16c5826fe458cbb27@changeid> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200528213443.993f108e96ca.I0086ae42d672379380d04ac5effb2f3d5135731b@changeid> References: <20200528213443.993f108e96ca.I0086ae42d672379380d04ac5effb2f3d5135731b@changeid> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Johannes Berg On 6 GHz band, HE capabilities must be available for all of the interface types, otherwise we shouldn't use 6 GHz. Check this. Signed-off-by: Johannes Berg --- net/wireless/core.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/net/wireless/core.c b/net/wireless/core.c index 1651f86db6ca..5b6714460490 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -791,6 +791,7 @@ int wiphy_register(struct wiphy *wiphy) /* sanity check supported bands/channels */ for (band = 0; band < NUM_NL80211_BANDS; band++) { u16 types = 0; + bool have_he = false; sband = wiphy->bands[band]; if (!sband) @@ -859,8 +860,17 @@ int wiphy_register(struct wiphy *wiphy) return -EINVAL; types |= iftd->types_mask; + + if (i == 0) + have_he = iftd->he_cap.has_he; + else + have_he = have_he && + iftd->he_cap.has_he; } + if (WARN_ON(!have_he && band == NL80211_BAND_6GHZ)) + return -EINVAL; + have_band = true; }