From patchwork Fri Jun 19 21:10:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amar Singhal X-Patchwork-Id: 215295 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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 7B2B3C433E0 for ; Fri, 19 Jun 2020 21:10:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 547052073E for ; Fri, 19 Jun 2020 21:10:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391622AbgFSVKj (ORCPT ); Fri, 19 Jun 2020 17:10:39 -0400 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]:8158 "EHLO alexa-out-sd-02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389497AbgFSVKj (ORCPT ); Fri, 19 Jun 2020 17:10:39 -0400 Received: from unknown (HELO ironmsg02-sd.qualcomm.com) ([10.53.140.142]) by alexa-out-sd-02.qualcomm.com with ESMTP; 19 Jun 2020 14:10:38 -0700 Received: from asinghal-linux.qualcomm.com ([10.234.220.60]) by ironmsg02-sd.qualcomm.com with ESMTP; 19 Jun 2020 14:10:38 -0700 Received: by asinghal-linux.qualcomm.com (Postfix, from userid 73644) id E9A6E3EBA; Fri, 19 Jun 2020 14:10:35 -0700 (PDT) From: Amar Singhal To: linux-wireless@vger.kernel.org, johannes@sipsolutions.net, jouni@codeaurora.org Cc: asinghal@codeaurora.org Subject: [PATCH] cfg80211: Adjust 6ghz frequencies per channelization Date: Fri, 19 Jun 2020 14:10:28 -0700 Message-Id: <1592601028-20319-1-git-send-email-asinghal@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Per 11ax draft 6.1, 6ghz frequencies need adjustment. Also orphan channel of frequency 5935 MHz has been added. Modify utilities accordingly. Change-Id: I3a10fbef7ece7b86f44ac9bd09556f9d89d1844c Signed-off-by: Amar Singhal --- net/wireless/util.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/net/wireless/util.c b/net/wireless/util.c index df75e58..f64af43 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -92,9 +92,11 @@ u32 ieee80211_channel_to_freq_khz(int chan, enum nl80211_band band) return MHZ_TO_KHZ(5000 + chan * 5); break; case NL80211_BAND_6GHZ: - /* see 802.11ax D4.1 27.3.22.2 */ - if (chan <= 253) - return 5940 + chan * 5; + /* see 802.11ax D6.1 27.3.23.2 */ + if (chan == 2) + return 5925 + chan * 5; + if (chan <= 233) + return 5950 + chan * 5; break; case NL80211_BAND_60GHZ: if (chan < 7) @@ -119,11 +121,13 @@ int ieee80211_freq_khz_to_channel(u32 freq) return (freq - 2407) / 5; else if (freq >= 4910 && freq <= 4980) return (freq - 4000) / 5; - else if (freq < 5945) + else if (freq < 5925) return (freq - 5000) / 5; + else if (freq == 5935) + return (freq - 5925) / 5; else if (freq <= 45000) /* DMG band lower limit */ - /* see 802.11ax D4.1 27.3.22.2 */ - return (freq - 5940) / 5; + /* see 802.11ax D6.1 27.3.23.2 */ + return (freq - 5950) / 5; else if (freq >= 58320 && freq <= 70200) return (freq - 56160) / 2160; else