Received: by 2002:a25:7ec1:0:0:0:0:0 with SMTP id z184csp472036ybc; Tue, 19 Nov 2019 04:25:05 -0800 (PST) X-Google-Smtp-Source: APXvYqypRIx5T1yVH7oSZ9GHpitW9BB8iq48JQQMRd4HRDj1OpPSYlcJ7NFnZTWnqrEW1GIZKdNF X-Received: by 2002:a17:906:ecf5:: with SMTP id qt21mr34299715ejb.295.1574166305194; Tue, 19 Nov 2019 04:25:05 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1574166305; cv=none; d=google.com; s=arc-20160816; b=rFrMqWhIgBqvYzmpxMMKB3/5l0u9O2AzEYAtijyIrU3OBxvKDJR3TTooiFV1TV+dyi mqiHj//8c2AyQo3RzLBTeDc0oq0U2qyUz25WTaX1RzvfEksFk4nN+Cs8FY9LlOrXQvN3 iOFbgIr6OEA9tvy5oBJCHWjSBcTXVL1oyYvHQAf88uKg4dZ0GtdLpjwYXYezafWRtfSe dHtOz4CmbUkzvxVts2aPvVATOsRDdsnKanJUD/XT5cm9z5oNIFBfrD/KjlLx7TEsKrQ5 /8zsw93J6rOO64aJBMEXN+q1J8r7yfuPJjjQMBHQh8eLcHVbPTZjx9CHQ7bvr4Q37grt fLCg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=k5TVPCFXFFT3VDkcsi42eECrDLEQtuzZX3v8HIH+87s=; b=n0DykYH8cmLprKMYg/DRJ83gvXtKAL/fcLsMfLHJjvdgkYDWeprC+1jp+E2tUQRFn7 s10SOHvKXLaH/kJIIoNeZI+nw4uxApbaWe78wgnWle+YXehI1X4V9Z9mawQ4jh1hGHbb yBKj7cspP3TiV4jL3NYd0lnC5mJKvOBlaAN9rtBZPS4qqIR0+tbpbyRuKEsPHdDXWHq+ 5+ZwijH57Miznol+gI7i3LCdC72ku47NDSKXay6oC4vh32fTU+VjPtfmPoY3t3IBRo/r UH6lAoqYlw1UoMNpE8u+jsO5HvA28g08aQRcjj+dyIb9By8YtSaS4XfeH1+0YsXQNtT+ f0oA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id bt28si14119906edb.270.2019.11.19.04.24.37; Tue, 19 Nov 2019 04:25:05 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728045AbfKSMYU (ORCPT + 99 others); Tue, 19 Nov 2019 07:24:20 -0500 Received: from smail.rz.tu-ilmenau.de ([141.24.186.67]:42590 "EHLO smail.rz.tu-ilmenau.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728016AbfKSMYT (ORCPT ); Tue, 19 Nov 2019 07:24:19 -0500 Received: from localhost.localdomain (unknown [141.24.207.101]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smail.rz.tu-ilmenau.de (Postfix) with ESMTPSA id AEF9158007C; Tue, 19 Nov 2019 13:24:18 +0100 (CET) From: Markus Theil To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, Stanislaw Gruszka , Markus Theil Subject: [PATCH v5 0/5] mt76: channel switch support for USB devices Date: Tue, 19 Nov 2019 13:24:05 +0100 Message-Id: <20191119122410.12588-1-markus.theil@tu-ilmenau.de> X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This patch series adds channel switch support for mt76 usb interfaces. When testing, I noticed that between 5 or 7 consecutive beacons had the identical channel switch count set. After some debugging I found out, that beacon copying over usb took far too long (up to 700ms for one call of mt76x02u_pre_tbtt_work). Therefore the first four patches speed up beacon copying and the last patch enables channel switch support also for usb interfaces. v5 (thanks to Stanislaw): * ommit empty mt76x2u_channel_switch_beacon * copy txwi into beacon skb v4: * use multiple of 4 len for usb copy again v3: * fixed checkpatch errors v2 (thanks for the comments Lorenzo): * correctly track beacon data mask * clean-ups * make channel switch fn static (reported by kbuild test robot) Markus Theil (5): mt76: mt76x02: ommit beacon slot clearing mt76: mt76x02: split beaconing mt76: mt76x02: remove a copy call for usb speedup mt76: speed up usb bulk copy mt76: mt76x02: add channel switch support for usb interfaces drivers/net/wireless/mediatek/mt76/mt76.h | 2 +- .../wireless/mediatek/mt76/mt76x02_beacon.c | 62 ++++++------------- .../net/wireless/mediatek/mt76/mt76x02_mac.h | 1 + .../net/wireless/mediatek/mt76/mt76x02_mmio.c | 5 ++ .../wireless/mediatek/mt76/mt76x02_usb_core.c | 12 ++++ .../net/wireless/mediatek/mt76/mt76x02_util.c | 2 +- drivers/net/wireless/mediatek/mt76/usb.c | 24 +++++-- 7 files changed, 58 insertions(+), 50 deletions(-) -- 2.24.0