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From:   Markus Theil <markus.theil@tu-ilmenau.de>
To:     nbd@nbd.name
Cc:     linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com,
        Stanislaw Gruszka <sgruszka@redhat.com>,
        Markus Theil <markus.theil@tu-ilmenau.de>
Subject: [PATCH v7 0/5] mt76: channel switch support for USB devices
Date:   Wed, 20 Nov 2019 23:28:21 +0100
Message-Id: <20191120222826.14871-1-markus.theil@tu-ilmenau.de>
MIME-Version: 1.0
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Sender: linux-wireless-owner@vger.kernel.org
Precedence: bulk

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.

v7 (thanks to Stanislaw):
* fix mbss beacon settings
* fix compilation with latest upstream

v6:
* use min_t in mt76u_copy
* use round_up in mt76u_copy
* use additional copy for mmio beacon set again

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   | 73 +++++++------------
 .../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, 66 insertions(+), 53 deletions(-)

-- 
2.24.0