From patchwork Fri Aug 20 18:46:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Greear X-Patchwork-Id: 501263 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 7EDA1C4338F for ; Fri, 20 Aug 2021 18:46:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 64A1160FBF for ; Fri, 20 Aug 2021 18:46:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234249AbhHTSr2 (ORCPT ); Fri, 20 Aug 2021 14:47:28 -0400 Received: from dispatch1-us1.ppe-hosted.com ([148.163.129.52]:53428 "EHLO dispatch1-us1.ppe-hosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229512AbhHTSr2 (ORCPT ); Fri, 20 Aug 2021 14:47:28 -0400 X-Virus-Scanned: Proofpoint Essentials engine Received: from mx1-us1.ppe-hosted.com (unknown [10.7.64.31]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id 0570E2007F; Fri, 20 Aug 2021 18:46:49 +0000 (UTC) Received: from mail3.candelatech.com (mail2.candelatech.com [208.74.158.173]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id CC80560008B; Fri, 20 Aug 2021 18:46:48 +0000 (UTC) Received: from ben-dt4.candelatech.com (50-251-239-81-static.hfc.comcastbusiness.net [50.251.239.81]) by mail3.candelatech.com (Postfix) with ESMTP id A8E5513C2B1; Fri, 20 Aug 2021 11:46:40 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mail3.candelatech.com A8E5513C2B1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=candelatech.com; s=default; t=1629485200; bh=kG1x9A3NsjkRp7iXqpOfoEp3HLX78Crwz5i3xOUYHSE=; h=From:To:Cc:Subject:Date:From; b=V5sygyRNLwD074jee5D3+KXp0Fp4FD4tSdVGxdm9H8MsnSryuMgM7c8JdikJIL8iX 93MnD6kfoJyO+kPpDmSiyWNnhIg3z5zyLoNKMgpH6xQN8Ldi2cxZxVns4KoPY87rRL lW7MET9AM7mwXtQ7FSxNkn1zXKBPgXyNT2LKxHu0= From: greearb@candelatech.com To: linux-wireless@vger.kernel.org Cc: Ben Greear , Rubio Lu Subject: [PATCH v2 1/2] mt76: mt7915: fix STA mode connection on DFS channels Date: Fri, 20 Aug 2021 11:46:36 -0700 Message-Id: <20210820184637.4922-1-greearb@candelatech.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-MDID: 1629485209-8ZcrqyEhAa5u Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ben Greear Only AP, adhoc and mesh mode needs to check CAC. Stations, in particular, do not need this check. Signed-off-by: Rubio Lu Singed-off-by: Ben Greear --- v2: Take adhoc and mesh mode into account as well. .../net/wireless/mediatek/mt76/mt7915/mac.c | 38 +++++++++++++++++-- 1 file changed, 35 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index 8747e452e114..a6e142d27b60 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -2455,6 +2455,32 @@ static int mt7915_dfs_start_radar_detector(struct mt7915_phy *phy) return 0; } +struct mt7915_vif_counts { + u32 mesh; + u32 adhoc; + u32 ap; +}; + +static void +mt7915_vif_counts(void *priv, u8 *mac, struct ieee80211_vif *vif) +{ + struct mt7915_vif_counts *counts = priv; + + switch (vif->type) { + case NL80211_IFTYPE_ADHOC: + counts->adhoc++; + break; + case NL80211_IFTYPE_MESH_POINT: + counts->mesh++; + break; + case NL80211_IFTYPE_AP: + counts->ap++; + break; + default: + break; + } +} + static int mt7915_dfs_init_radar_specs(struct mt7915_phy *phy) { @@ -2495,6 +2521,7 @@ int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy) struct mt7915_dev *dev = phy->dev; bool ext_phy = phy != &dev->phy; int err; + struct mt7915_vif_counts counts = {0}; if (dev->mt76.region == NL80211_DFS_UNSET) { phy->dfs_state = -1; @@ -2519,9 +2546,14 @@ int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy) phy->dfs_state = chandef->chan->dfs_state; if (chandef->chan->flags & IEEE80211_CHAN_RADAR) { - if (chandef->chan->dfs_state != NL80211_DFS_AVAILABLE) - return mt7915_dfs_start_radar_detector(phy); - + if (chandef->chan->dfs_state != NL80211_DFS_AVAILABLE) { + ieee80211_iterate_active_interfaces(phy->mt76->hw, + IEEE80211_IFACE_ITER_RESUME_ALL, + mt7915_vif_counts, &counts); + if (counts.ap + counts.adhoc + counts.mesh) + mt7915_dfs_start_radar_detector(phy); + return 0; + } return mt7915_mcu_rdd_cmd(dev, RDD_CAC_END, ext_phy, MT_RX_SEL0, 0); }