A switch from one rate index to the next only happens when tx count from
the current slot is greater than MT7615_RATE_RETRY, which is 1 has to be
subtracted from count, instead of added to it.
Signed-off-by: Felix Fietkau <nbd@nbd.name>

A switch from one rate index to the next only happens when tx count from
the current slot is greater than MT7615_RATE_RETRY, which is 1 has to be
subtracted from count, instead of added to it.
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Avoids register writes and MAC start/stop when the hardware isn't ready for it
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Slightly improves performance
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Sometimes mt7615_mac_set_timing gets called while the slot time is still
configured to 20. Ensure that in this case it always uses the OFDM CFend
rate.
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Sometimes mt7615_mac_set_timing gets called while the slot time is still
configured to 20. Ensure that in this case it always uses the OFDM CFend
rate.
Signed-off-by: Felix Fietkau <nbd@nbd.name>

In VHT mode we can receive larger MPDUs. Increasing the buffer size reduces
fragmentation here, which should improve performance.
Signed-off-by: Felix Fietkau <nbd@nbd.name>

The hardware requirements for A-MPDU density are entirely on the tx side,
not the rx side. Because of that, the IE value should stay at 0 and the
minimum value should instead be enforced in WTBL/TXWI

MT7615 has no restrictions here
Signed-off-by: Felix Fietkau <nbd@nbd.name>

If VHT has a larger A-MPDU size limit, pass it to the MCU via the wtbl_ht
TLV element.
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Initialize tx_status_data pointer in order to enable Air Time Fairness
for mt7663u chipset
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Since usb code can't access device registers in interrupt context, move
rcu_read_lock/rcu_read_unlock in mt7615_poll_tx routine. Moreover loop
over a local msta list in mt7615_mac_sta_poll since mt7663u driver will
not be able to complete the inner while loop before sta_poll_list list
is refilled by mt7615_mac_add_txs/mt7615_mac_fill_rx
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

If the vif is running in station mode the aid will be passed by mac80211
using bss_conf.aid. Fix aid configuration in mt7615_mcu_wtbl_generic_tlv

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>

Introduce MT_PCIE_DOORBELL_PUSH register to fix mt7615_driver_own
routine for mt7663e

Fixes: f40ac0f3 ("mt76: mt7615: introduce mt7663e support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Current mt7663 offload firmware can support up to 32 wtbl entries

Fixes: f40ac0f3 ("mt76: mt7615: introduce mt7663e support")
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Check the firmware-own configuration has been applied polling
MT_CONN_HIF_ON_LPCTL register

Fixes: f40ac0f3 ("mt76: mt7615: introduce mt7663e support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Add return code parsing for the following unified commands:
- MCU_UNI_CMD_DEV_INFO_UPDATE
- MCU_UNI_CMD_BSS_INFO_UPDATE
- MCU_UNI_CMD_STA_REC_UPDATE
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Introduce rx-queues debugfs node in order to dump rx queues status.
This would be useful for mcu fw debugging
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Make Kconfig entry obvious for MT7663E
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Enable 802.11 power-save support available in mt7663 firmware
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

remove IEEE80211_HW_PS_NULLFUNC_STACK capability from mt76_phy_init
routine since 802.11 ps is not currently supported by any devices and it
will conflict with mt7663 ps fw support
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

For sta mode mac80211 provides aid in vif->bss_conf.aid.
In order to properly support 802.11 power-save, configure correct aid
to mcu during sta association
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

The vendor SDK also disables ASPM by default
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Add missing register definitions in order to enable sensitivity tuning
for mt7663 driver
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Introduce support for mt7663u 802.11ac 2x2:2 chipset to mt7615 driver.
Main difference respect to pcie code base is the usb code needs to
configure wtbl from non-atomic context
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Create mt7615-common module in order to collect shared code between usb
and mmio code. Move the following source files in mt7615-common module:
- main.c
- init.c
- mcu.c
- mac.c
- debugfs.c
- eeprom.c
- trace.c

Create the following source files for mmio only source code and move them
in mt7615e module:
- pci_init.c
- dma.c
- pci_mac.c
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

make mac_work per phy instead of per device and fix a possible deadlock
in mt7615_stop since mt7615_mac_work runs holding mt76 mutex

Fixes: fdd2e570 ("mt76: mt7615: add dual-phy support for mac80211 ops")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Sparse report warnings at mt76_tx_status_unlock() and mt76_tx_status_lock()

warning: context imbalance in mt76_tx_status_lock() - wrong count at exit
warning: context imbalance in mt76_tx_status_unlock() - unexpected unlock

The root cause is the additional __acquire(&dev->status_list.lock)
and __release(&dev->status_list.unlock) called
 from inside mt76_tx_status_lock() and mt76_tx_status_unlock().

Remove __acquire(&dev->status_list.lock) annotation
Remove __releases(&dev->status_list.unlock)
Correct &dev->status_list.unlock to &dev->status_list.lock
	-unlock not defined in the sk_buff_head struct
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Enable MSI/MSI-X PCI interrupts by default. This patch has been tested
using Banana Pi r64 board
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

With MSI interrupts, IRQs must not be enabled from within the IRQ handler,
because that can lead to lost events.
Defer IRQ processing to a tasklet, which is also responsible for enabling
IRQs (to avoid race conditions against the handler)
Co-developed-by: Soul Huang <Soul.Huang@mediatek.com>
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Soul Huang <soul.huang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Fix DMA unmap length for mt7663e devices in mt7615_txp_skb_unmap_hw

Fixes: f40ac0f3 ("mt76: mt7615: introduce mt7663e support")
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Co-developed-by: Soul Huang <soul.huang@mediatek.com>
Signed-off-by: Soul Huang <soul.huang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>

Fix DMA unmap length estimation in mt7615_txp_skb_unmap_hw for mt7622
chipset

Fixes: 6aa4ed79 ("mt76: mt7615: implement DMA support for MT7622")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>

They do not apply to software scan
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Avoid having to attempt hw scan and fall back to software for every scan
on devices/firmware without hw scan support
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Fix register definitions for aggr range counter registers for mt7663
chipset

Fixes: f40ac0f3 ("mt76: mt7615: introduce mt7663e support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Check that val is not zero before aggr_per estimation in order to avoid a
possible division by 0
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

The reference driver does not seem to enable it by default, only under certain
conditions, e.g. when a .bin file is loaded.
Make it opt-in via a device tree property for now, in case it is needed on some
boards.
Signed-off-by: Felix Fietkau <nbd@nbd.name>

The reference driver does not seem to enable it by default, only under certain
conditions, e.g. when a .bin file is loaded.
Make it opt-in via a device tree property for now, in case it is needed on some
boards.
Signed-off-by: Felix Fietkau <nbd@nbd.name>

When the EEPROM data is read from flash, it can contain tx DPD calibration
data. Add support for sending the data to the firmware.
Signed-off-by: Felix Fietkau <nbd@nbd.name>

When the EEPROM data is read from flash, it can contain DC offset calibration
data. Add support for sending the data to the firmware.
Signed-off-by: Felix Fietkau <nbd@nbd.name>

The reference driver does not seem to enable it by default, only under certain
conditions, e.g. when a .bin file is loaded.
Make it opt-in via a device tree property for now, in case it is needed on some
boards.
Signed-off-by: Felix Fietkau <nbd@nbd.name>