From patchwork Wed May 13 19:44:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajkumar Manoharan X-Patchwork-Id: 215616 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=-9.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 A0408C433DF for ; Wed, 13 May 2020 19:45:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 56C7D2065C for ; Wed, 13 May 2020 19:45:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="XTPbmbzI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390735AbgEMTph (ORCPT ); Wed, 13 May 2020 15:45:37 -0400 Received: from mail26.static.mailgun.info ([104.130.122.26]:33374 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390696AbgEMTph (ORCPT ); Wed, 13 May 2020 15:45:37 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1589399137; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=JD3H+2UIrtT/l1bJEqxT6tXQ3eAeBzabY+eu8PkbSb4=; b=XTPbmbzIDlbm79XA5PUNFyAnePyPSdg8rcG1z4T1OqUp5Uoe4YBMSokIYOybTF1UfTo3xI/s nne3wkXCoZAMnbALxhxQdS4dWVSM1aPgvfp7vm/o/io37GAZyLhDra+E37nqA6fu3erPu3Wl BN58k4ghqYpWFyiUNCnvYiJ8RXw= X-Mailgun-Sending-Ip: 104.130.122.26 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 mxa.mailgun.org with ESMTP id 5ebc4e4e.7f501de4b110-smtp-out-n03; Wed, 13 May 2020 19:45:18 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id F33B8C433BA; Wed, 13 May 2020 19:45:17 +0000 (UTC) Received: from rmanohar-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: rmanohar) by smtp.codeaurora.org (Postfix) with ESMTPSA id E4A8DC433F2; Wed, 13 May 2020 19:45:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org E4A8DC433F2 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=none smtp.mailfrom=rmanohar@codeaurora.org From: Rajkumar Manoharan To: johannes@sipsolutions.net, kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, ath11k@lists.infradead.org, Rajkumar Manoharan , Vamsi Krishna Subject: [PATCH v3 01/11] cfg80211: use only HE capability to set prohibited flags in 6 GHz Date: Wed, 13 May 2020 12:44:55 -0700 Message-Id: <1589399105-25472-1-git-send-email-rmanohar@codeaurora.org> X-Mailer: git-send-email 2.7.4 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org The prohibited flags to determine whether configured bandwidth is supported by driver are validated only against HT and VHT capability. In 6 GHz band, Only HE capability should be validated to find out given chandef is usable. Co-developed-by: Vamsi Krishna Signed-off-by: Vamsi Krishna Signed-off-by: Rajkumar Manoharan --- net/wireless/chan.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 50 insertions(+), 4 deletions(-) diff --git a/net/wireless/chan.c b/net/wireless/chan.c index fcac5c6366e1..582b487576e1 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -19,6 +19,11 @@ static bool cfg80211_valid_60g_freq(u32 freq) return freq >= 58320 && freq <= 70200; } +static bool cfg80211_is_6ghz_freq(u32 freq) +{ + return (freq > 5940 && freq < 7105); +} + void cfg80211_chandef_create(struct cfg80211_chan_def *chandef, struct ieee80211_channel *chan, enum nl80211_channel_type chan_type) @@ -882,6 +887,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, struct ieee80211_sta_ht_cap *ht_cap; struct ieee80211_sta_vht_cap *vht_cap; struct ieee80211_edmg *edmg_cap; + const struct ieee80211_sta_he_cap *he_cap; u32 width, control_freq, cap; if (WARN_ON(!cfg80211_chandef_valid(chandef))) @@ -890,6 +896,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, ht_cap = &wiphy->bands[chandef->chan->band]->ht_cap; vht_cap = &wiphy->bands[chandef->chan->band]->vht_cap; edmg_cap = &wiphy->bands[chandef->chan->band]->edmg_cap; + he_cap = ieee80211_get_he_sta_cap(wiphy->bands[chandef->chan->band]); if (edmg_cap->channels && !cfg80211_edmg_usable(wiphy, @@ -919,6 +926,16 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, break; case NL80211_CHAN_WIDTH_40: width = 40; + if (cfg80211_is_6ghz_freq(chandef->center_freq1)) { + if (!he_cap) + return false; + if (!he_cap->has_he_6ghz) + return false; + if (!(he_cap->he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)) + return false; + break; + } if (!ht_cap->ht_supported) return false; if (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) || @@ -933,24 +950,53 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, break; case NL80211_CHAN_WIDTH_80P80: cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK; - if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) + if (!cfg80211_is_6ghz_freq(chandef->center_freq1) && + cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) return false; + if (cfg80211_is_6ghz_freq(chandef->center_freq1)) { + if (!he_cap) + return false; + if (!he_cap->has_he_6ghz) + return false; + if (!(he_cap->he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)) + return false; + } /* fall through */ case NL80211_CHAN_WIDTH_80: - if (!vht_cap->vht_supported) + if (cfg80211_is_6ghz_freq(chandef->center_freq1)) { + if (!he_cap) + return false; + if (!he_cap->has_he_6ghz) + return false; + if (!(he_cap->he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)) + return false; + } else if (!vht_cap->vht_supported) { return false; + } prohibited_flags |= IEEE80211_CHAN_NO_80MHZ; width = 80; break; case NL80211_CHAN_WIDTH_160: + prohibited_flags |= IEEE80211_CHAN_NO_160MHZ; + width = 160; + if (cfg80211_is_6ghz_freq(chandef->center_freq1)) { + if (!he_cap) + return false; + if (!he_cap->has_he_6ghz) + return false; + if (!(he_cap->he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)) + return false; + break; + } if (!vht_cap->vht_supported) return false; cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK; if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ && cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) return false; - prohibited_flags |= IEEE80211_CHAN_NO_160MHZ; - width = 160; break; default: WARN_ON_ONCE(1);