mt76 patches for 5.4

* beacon tx fix for mt76x02
* sparse/checkpatch warning fixes
* DFS pattern detector for mt7615 (DFS channels not enabled yet)
* CSA support for mt7615
* mt7615 cleanup/fixes
* mt7615 rate control improvements
* usb fixes
* mt7615 powersave buffering fix
* new device support for mt76x0
* support for more ciphers in mt7615
* watchdog time fixes
* smart carrier sense on mt7615
* survey support on mt7615
* multiple interfaces on mt76x02u
* calibration data fix for mt7615
* fix for sending BAR after disassoc

Introduce debugfs entry to read device temperature and related cmu
command. Introduce mt7615_mcu_parse_response to parse mcu response
messages and refactor mt7615_mcu_msg_send routine
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Introduce mt7615_txwi_to_txp utility routine to convert mt76_txwi_cache
into mt7615_txp and remove duplicated code
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

We allways return 0 from mt76x0_phy_set_channel(), no need to pass
return value upward.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

We set dev->mt76.chandef in mt76_set_channel() already.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76_rx_convert() not need to be exported any longer.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

tx queues are already disabled by mac80211 during scanning or other
off-channel activity. There is no need to repeat the check in mt76,
since scheduled queues are selected by mac80211 as well.
Signed-off-by: Balakrishna Bandi <b.balakrishna@globaledgesoft.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

There is no need to send a BAR frame after stopping aggregation, and doing
so could lead to sending class 3 frames after deauthentication from an AP
Signed-off-by: Balakrishna Bandi <b.balakrishna@globaledgesoft.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Fixes use-after-free issues on forced station removal during hardware restart
on MT76x02

Fixes: aee5b8cf ("mt76: implement A-MPDU rx reordering in the driver code")
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Fixes rx of the first frame if a fragmented rx was interrupted by the reset
Signed-off-by: Felix Fietkau <nbd@nbd.name>

MT7615 chips usually come pre-calibrated, even when used on embedded boards.
In that case, the on-flash EEPROM data needs to be merged with some data
from OTP ROM.
Run this merge if the external EEPROM data is valid and OTP has valid fields.
Tested-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Introduce a default implementation for mt76_sw_scan and
mt76_sw_scan_complete in mt76 module and remove duplicated code
since most of the drivers share the same implementation
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

This fixes the following checkpatch warnings:
CHECK: Alignment should match open parenthesis
CHECK: No space is necessary after a cast
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Refactor mt7615_mac_wtbl_set_key and introduce
the following routines in order to configure wtbl entries
and properly add hw support to BIP_CMAC_128 cipher:
- mt7615_mac_wtbl_update_cipher
- mt7615_mac_wtbl_update_pk
- mt7615_mac_wtbl_update_key
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Remove unnecessary mcu queue initialization in mt7603_dma_init since it
has been already done in mt76_mmio_init
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Move mt76{15,03}_tx_tasklet in mt76_alloc_device in order to be used as
default tx_tasklet initialization. Remove duplicated code in
mt7603/mt7615 drivers
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Introduce channel survey support for mt7615 driver
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Move survey_time field in mt76_dev in order to be reused adding survey
support to mt7615 driver
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Introduce channel survey support for mt76x2u and mt76x0u drivers
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Enable multi-interface support for mt76x02u driver. For the moment
allow max two concurrent interfaces in order to preserve enough room
for ps traffic since we are using beacon slots for it.
I have successfully tested the following configuration:
- AP + STA
- AP0 + AP1
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Tested-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Do not copy beacon skb in mt76x02_mac_set_beacon_enable for usb devices
since it will be done in mt76x02_update_beacon_iter. Moreover squash
mt76x02_mac_set_beacon_enable and __mt76x02_mac_set_beacon_enable since
the latter is run just by mt76x02_mac_set_beacon_enable
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Improve code readability introducing mt76x02_pre_tbtt_enable and
mt76x02_beacon_enable utility macros
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Introduce Smart Carrier Sense support in order to tune device
sensitivity according to RTS error rate and False CCA reported by the
radio
Tested-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

As already done for mt7603 driver, move mt76.mutex lock inside
mt7615_set_channel since we need to grab mt76.mutex in mt7615_mac_work.
This is a preliminary patch to add Smart Carrier Sense (SCS) support
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

No functional change intended.

Add SPDX identifiers to all remaining files in /mt76.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

This fixes the following checkpatch warnings:

ERROR: code indent should use tabs where possible
CHECK: Alignment should match open parenthesis
CHECK: No space is necessary after a cast
CHECK: Please don't use multiple blank lines
CHECK: Avoid precedence issues in macro
WARNING: Statements should start on a tabstop
WARNING: Unnecessary space before function pointer arguments
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

This fixes the following checkpatch warnings:

WARNING: Improper SPDX comment style
Fix blank lines.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

This fixes the following checkpatch warnings:

WARNING: Improper SPDX comment style
CHECK: No space is necessary after a cast
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Update the help text to fix a checkpatch warning:

WARNING: please write a paragraph that describes the config symbol fully
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Add default values of cw_min/max and use fls() for configuration.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Hardware supports 4 sets of WMM that should be put to good use.
And fix incorrect queue mapping in mt7615_conf_tx().
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Convert MT7603_WATCHDOG_TIME in jiffies rescheduling watchdog delayed
work

Fixes: c8846e10 ("mt76: add driver for MT7603E and MT7628/7688")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Express watchdog timeout in jiffies since it is used directly in
ieee80211_queue_delayed_work

Fixes: 04b8e659 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Add mt76_mmio_read_copy routine and the related function pointer in
mt76_bus_ops data structure. mt76_mmio_read_copy will be used to add
BIP_CMAC_128 cipher hw support to mt7615 driver
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Introduce set_key_cmd and mt76_wcid pointer to mt7615_mac_wtbl_set_key
signature and do not set key to NULL if cmd is DISABLE_KEY.
This is a preliminary patch to add BIP_CMAC_128 hw support to mt7615
driver
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Get rid of wtbl_sec_key definition since it is no longer used
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Add mt7615_mac_wtbl_set_key routine to configure wtbl key parameter
directly from host cpu. This is a preliminary patch to add BIP_CMAC_128
hw support. Moreover add static qualifier to mt7615_mac_get_key_info
routine
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Introduce mt7615_mac_wtbl_addr rouinte to compute sta wtbl address.
This is a preliminary patch to update wtbl key directly from host
processor
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

This is a preliminary patch to update wtbl key directly from host
processor
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>