mt76: mt7915: introduce mt7915_mcu_twt_agrt_update mcu command

This is a preliminary patch to add TWT support to mt7915

Tested-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: introduce __mt7915_get_tsf routine

Introduce an unlocked verion of mt7915_get_tsf routine.
This is a preliminary patch to add TWT support to mt7915.

Tested-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: drop MCU header size from buffer size in __mt76_mcu_send_firmware

Each firmware piece with mt7915 and mt7921 do not have the MCU header to
reroute the packet to the internal RAM. So we do not need to consider the
MCU header size in __mt76_mcu_send_firmware.
Move the MCU header overhead calculation to mt76_mcu_send_firmware (for
older chipsets)

Fixes: e57b7901469f ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Fixes: 1c099ab44727 ("mt76: mt7921: add MCU support")
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: introduce __mt76_mcu_send_firmware routine

Introduce __mt76_mcu_send_firmware routine to specify mcu message max
length. This is a preliminary patch to support mt7921s driver.

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>

dt: bindings: net: mt76: add eeprom-data property

EEPROM data for mt76 can be embedded into device-tree as an array.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: support reading EEPROM data embedded in fdt

Some platforms boot from SD card and don't come with calibration data
stored anywhere on the board.
As EEPROM data is rather small it can be embedded into the device tree
to be loaded from there by the mt76.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: schedule status timeout at dma completion

Reduce MT_TX_STATUS_SKB_TIMEOUT to 250ms

Tested-by: mrkiko.rs@gmail.com
Co-developed-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: substitute sk_buff_head status_list with spinlock_t status_lock

Substitute sk_buff_head status_list with spinlock_t status_lock since we
just need it for locking

Tested-by: mrkiko.rs@gmail.com
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: remove mt76_wcid pointer from mt76_tx_status_check signature

Remove mt76_wcid pointer from mt76_tx_status_check signature since it is
always set to NULL

Tested-by: mrkiko.rs@gmail.com
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: introduce packet_id idr

Introduce per-wcid idr to manage packet id for txs. This allow fast idr
lookup and skb queueing at the same time.

Tested-by: mrkiko.rs@gmail.com
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: add 6GHz support

Unlock 6GHz band if supported by the device. Configure HE 6G
capabilities.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: add 6GHz support

Introduce 6GHz channel list in mt76 module. This is a preliminary patch
to unlock 6GHz band for mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: connac: enable hw amsdu @ 6GHz

This is a preliminary patch to enable 6GHz band for mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: connac: add 6GHz support to mt76_connac_mcu_uni_add_bss

This is a preliminary patch to enable 6GHz band for mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: connac: add 6GHz support to mt76_connac_mcu_sta_tlv

Introduce sta_rec_he_6g_capa tlv in order configure the mcu with 6GHz
capabilities. This is a preliminary patch to enable 6GHz band for
mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: connac: set 6G phymode in single-sku support

Configure tx rate power for 6GHz channels. This is a preliminary patch
to enable 6GHz band for mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: connac: add 6GHz support to mt76_connac_mcu_set_channel_domain

Configure 6GHz channels defining mcu channel domain. This is a
preliminary patch to enable 6GHz band on mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: connac: enable 6GHz band for hw scan

This is a preliminary patch to support 6GHz band on mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: connac: set 6G phymode in mt76_connac_get_phy_mode{,v2}

This is a preliminary patch to support 6GHz band on mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: add mib counters to ethtool stats

This adds the new mib counters from last patch into ethtool
stats.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: add more MIB registers

Add register definitions and read & accumulate them in
the mib polling logic.  Note that some registers should not
be read since firmware is already reading them.  If driver
reads those, they will be cleared-on-read, and so the firmware
stats will be incorrect.

For these 'do-not-read' stats, add them to the registers definition
so that other developers can be aware of these constraints, but do
not actually read them in the driver.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: add tx mu/su counters to mib

These counters are clear-on-read, so we need to accumulate
them in the update_stats poll logic, and read the accumulated
values instead of directly doing register reads when reporting
to debugfs and ethtool stats.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: add some per-station tx stats to ethtool

The tx status callback is not called for every frame, so
those specific counters under-count, but at least they give
some idea of what is going on.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: add tx stats gathered from tx-status callbacks

Add tx-mode (ofdma, ht, vht, HE) histogram,
tx-ru-idx histogram, and tx-bandwidth histogram.
Also add tx attempts and tx success counters.

All of this is per-station.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: add ethtool stats support

This exposes some tx-path stats to the ethtool API, so that
ethtool -S wlanX provides some more useful info.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: fix retrying release semaphore without end

We should pass the error code to the caller immediately
to avoid the possible infinite retry to release the semaphore.

Fixes: 1c099ab44727 ("mt76: mt7921: add MCU support")
Co-developed-by: YN Chen <YN.Chen@mediatek.com>
Signed-off-by: YN Chen <YN.Chen@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: robustify hardware initialization flow

Robustify hardware initialization in the current driver probing flow
to get rid of the device is possibly lost after the machine boot due
to possible firmware abnormal state by trying to recover the failure
with more chances.

Tested-by: Leon Yen <Leon.Yen@mediatek.com>
Tested-by: YN Chen <YN.Chen@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: fix possible infinite loop release semaphore

Fix possible infinite loop in mt7915_load_patch if
mt7915_mcu_patch_sem_ctrl always returns an error.

Fixes: e57b7901469fc ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: honor all possible error conditions in mt7915_mcu_init()

Check all possible errors returned in mt7915_mcu_init routine.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: move spin_lock_bh to spin_lock in tasklet

as you are already in a tasklet, it is unnecessary to call spin_lock_bh.

Signed-off-by: Xingbang Liu <liu.airalert@gmail.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: remove mt7921_sta_stats

mt7921_sta_stats is no longer needed

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: remove mcu rate reporting code

Remove unused tx rate reporting through mcu tx done event since
now tx status is fully supported

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: report tx rate directly from tx status

Report tx rate from tx status packets instead of receiving periodic mcu
event. This improves flexibility, accuracy and AQL performance, and
simplifies code flow for better readability.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: add support for tx status reporting

Introduce infrastructure support for tx status reporting

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: start reworking tx rate reporting

Similar to mt7915, introduce mt7921_txwi_free to report tx rate to
mac80211. This is a preliminary patch to add proper tx status report.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7615: fix hwmon temp sensor mem use-after-free

Without this change, garbage is seen in the hwmon name and sensors output
for mt7615 is garbled.

Fixes: 109e505ad944 ("mt76: mt7615: add thermal sensor device support")
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: fix hwmon temp sensor mem use-after-free

Without this change, garbage is seen in the hwmon name and sensors output
for mt7915 is garbled. It appears that the hwmon logic does not make a
copy of the incoming string, but instead just copies a char* and expects
it to never go away.

Fixes: 33fe9c639c13 ("mt76: mt7915: add thermal sensor device support")
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: enable configured beacon tx rate

The user is allowed to change beacon tx rate (HT/VHT/HE) from hostapd.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: disable BH around napi_schedule() calls

napi_schedule() can call __raise_softirq_irqoff(), which can perform softirq
handling, so it must not be called in a pure process context with BH enabled.

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

mt76: fill boottime_ns in Rx path

Give a proper boottime_ns value for netlink RX to avoid scan
issues with Android.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: switch from 'pci_' to 'dma_' API

The wrappers in include/linux/pci-dma-compat.h should go away.

The patch has been generated with the coccinelle script below.

It has been compile tested.

@@
@@
-    PCI_DMA_BIDIRECTIONAL
+    DMA_BIDIRECTIONAL

@@
@@
-    PCI_DMA_TODEVICE
+    DMA_TO_DEVICE

@@
@@
-    PCI_DMA_FROMDEVICE
+    DMA_FROM_DEVICE

@@
@@
-    PCI_DMA_NONE
+    DMA_NONE

@@
expression e1, e2, e3;
@@
-    pci_alloc_consistent(e1, e2, e3)
+    dma_alloc_coherent(&e1->dev, e2, e3, GFP_)

@@
expression e1, e2, e3;
@@
-    pci_zalloc_consistent(e1, e2, e3)
+    dma_alloc_coherent(&e1->dev, e2, e3, GFP_)

@@
expression e1, e2, e3, e4;
@@
-    pci_free_consistent(e1, e2, e3, e4)
+    dma_free_coherent(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_map_single(e1, e2, e3, e4)
+    dma_map_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_single(e1, e2, e3, e4)
+    dma_unmap_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4, e5;
@@
-    pci_map_page(e1, e2, e3, e4, e5)
+    dma_map_page(&e1->dev, e2, e3, e4, e5)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_page(e1, e2, e3, e4)
+    dma_unmap_page(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_map_sg(e1, e2, e3, e4)
+    dma_map_sg(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_sg(e1, e2, e3, e4)
+    dma_unmap_sg(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_single_for_cpu(e1, e2, e3, e4)
+    dma_sync_single_for_cpu(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_single_for_device(e1, e2, e3, e4)
+    dma_sync_single_for_device(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_sg_for_cpu(e1, e2, e3, e4)
+    dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_sg_for_device(e1, e2, e3, e4)
+    dma_sync_sg_for_device(&e1->dev, e2, e3, e4)

@@
expression e1, e2;
@@
-    pci_dma_mapping_error(e1, e2)
+    dma_mapping_error(&e1->dev, e2)

@@
expression e1, e2;
@@
-    pci_set_dma_mask(e1, e2)
+    dma_set_mask(&e1->dev, e2)

@@
expression e1, e2;
@@
-    pci_set_consistent_dma_mask(e1, e2)
+    dma_set_coherent_mask(&e1->dev, e2)

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: fix boolreturn.cocci warnings

./drivers/net/wireless/mediatek/mt76/mt7615/usb_sdio.c:172:8-9:WARNING:
return of 0/1 in function 'mt7663_usb_sdio_tx_status_data' with return
type bool

Return statements in functions returning bool should use true/false
instead of 1/0.

Generated by: scripts/coccinelle/misc/boolreturn.cocci

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: jing yangyang <jing.yangyang@zte.com.cn>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: update mib counters dumping phy stats

mt7921 mac work can be idle for a long time due to runtime-pm so
update mib counters dumping phy stats

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: always wake device if necessary in debugfs

Add missing device wakeup in debugfs code if we are accessing chip
registers.

Fixes: 1d8efc741df8 ("mt76: mt7921: introduce Runtime PM support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: rename debugfs tx-queues

Rename "queues" to "tx-queues" to reflect its meaning.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: rework debugfs queue info

Complete PSE/PLE queue statistics, including per-sta AC queue
information.

Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: move mt7921_queue_rx_skb to mac.c

As for 7915 moving mt7921_queue_rx_skb makes it possible to make
some functions in mac.c static

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: fix WMM index on DBDC cards

WMM index range needs to be split between both PHYs if a second PHY exists.
The condition for that was accidentally written as checking if the vif PHY
is the secondary one

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

mt76: mt7915: improve code readability in mt7915_mcu_sta_bfer_ht

Even if it is a not real issue, add missing brackets in
mt7915_mcu_sta_bfer_ht routine in order to improve code readability

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: introduce bss coloring support

Introduce mcu APIs to configure bss coloring and to report bss coloring
collisions. Add support to report coloring countdown in beacon sent by
the device.

Co-developed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: add LED support

Initialize brightness_set and blink_set callbacks to enable LED support.
The base 0x7c000000 is MCU space so driver can't touch it, and should
map the LED base to 0x18000000 host's view.

Signed-off-by: MeiChia Chiu <meichia.chiu@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Money Wang <money.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: fix potential NPE in TXS processing

If skb is null, then don't try to dereference it.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: fix he_mcs capabilities for 160mhz

At 160, this chip can only do 2x2 NSS.  Fix the features
accordingly, verified it shows up properly in iw phy foo info
now.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: use IEEE80211_OFFLOAD_ENCAP_ENABLED instead of MT_DRV_AMSDU_OFFLOAD

Drop MT_DRV_AMSDU_OFFLOAD after introducing IEEE80211_OFFLOAD_ENCAP_ENABLED
flag in mac80211. Driver now checks vif->offload_flags to know encap offload
status of each interface.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: update mac timing settings

1. EIFS has been divided into OFDM/CCK fields after 11ax generation.
2. For 5G/6G SIFS setting, hardware counts extra 6us for OFDM.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: fix endianness warnings in mt7921_mac_decode_he_mu_radiotap

Fix the following sparse endianness warnings

drivers/net/wireless/mediatek/mt76/mt7921/mac.c:212:28: warning: cast from restricted __le32
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:212:28: warning: cast to restricted __le32
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:212:28: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:212:28: warning: cast from restricted __le32
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:212:28: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:217:25: warning: cast from restricted __le32
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:217:25: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:217:25: warning: cast from restricted __le32
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:217:25: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:222:25: warning: cast from restricted __le32
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:222:25: warning: cast to restricted __le32
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:222:25: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:222:25: warning: cast from restricted __le32
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:222:25: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:224:25: warning: cast from restricted __le32
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:224:25: warning: cast to restricted __le32
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:224:25: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:224:25: warning: cast from restricted __le32
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:224:25: warning: restricted __le32 degrades to integer
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:259:13: warning: cast from restricted __le32
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:259:13: warning: restricted __le32 degrades to integer

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: fix kernel warning from cfg80211_calculate_bitrate

Fix the kernel warning from cfg80211_calculate_bitrate
due to the legacy rate is not parsed well in the current driver.

Also, zeros struct rate_info before we fill it out to avoid the old value
is kept such as rate->legacy.

[  790.921560] WARNING: CPU: 7 PID: 970 at net/wireless/util.c:1298 cfg80211_calculate_bitrate+0x354/0x35c [cfg80211]
[  790.987738] Hardware name: MediaTek Asurada rev1 board (DT)
[  790.993298] pstate: a0400009 (NzCv daif +PAN -UAO)
[  790.998104] pc : cfg80211_calculate_bitrate+0x354/0x35c [cfg80211]
[  791.004295] lr : cfg80211_calculate_bitrate+0x180/0x35c [cfg80211]
[  791.010462] sp : ffffffc0129c3880
[  791.013765] x29: ffffffc0129c3880 x28: ffffffd38305bea8
[  791.019065] x27: ffffffc0129c3970 x26: 0000000000000013
[  791.024364] x25: 00000000000003ca x24: 000000000000002f
[  791.029664] x23: 00000000000000d0 x22: ffffff8d108bc000
[  791.034964] x21: ffffff8d108bc0d0 x20: ffffffc0129c39a8
[  791.040264] x19: ffffffc0129c39a8 x18: 00000000ffff0a10
[  791.045563] x17: 0000000000000050 x16: 00000000000000ec
[  791.050910] x15: ffffffd3f9ebed9c x14: 0000000000000006
[  791.056211] x13: 00000000000b2eea x12: 0000000000000000
[  791.061511] x11: 00000000ffffffff x10: 0000000000000000
[  791.066811] x9 : 0000000000000000 x8 : 0000000000000000
[  791.072110] x7 : 0000000000000000 x6 : ffffffd3fafa5a7b
[  791.077409] x5 : 0000000000000000 x4 : 0000000000000000
[  791.082708] x3 : 0000000000000000 x2 : 0000000000000000
[  791.088008] x1 : ffffff8d3f79c918 x0 : 0000000000000000
[  791.093308] Call trace:
[  791.095770]  cfg80211_calculate_bitrate+0x354/0x35c [cfg80211]
[  791.101615]  nl80211_put_sta_rate+0x6c/0x2c0 [cfg80211]
[  791.106853]  nl80211_send_station+0x980/0xaa4 [cfg80211]
[  791.112178]  nl80211_get_station+0xb4/0x134 [cfg80211]
[  791.117308]  genl_rcv_msg+0x3a0/0x440
[  791.120960]  netlink_rcv_skb+0xcc/0x118
[  791.124785]  genl_rcv+0x34/0x48
[  791.127916]  netlink_unicast+0x144/0x1dc

Fixes: 1c099ab44727 ("mt76: mt7921: add MCU support")
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: fix firmware usage of RA info using legacy rates

According to the firmware usage, OFDM rates should fill out bit 6 - 13
while CCK rates should fill out bit 0 - 3 in legacy field of RA info to
make the rate adaption runs propertly. Otherwise, a unicast frame might be
picking up the unsupported rate to send out.

Fixes: 1c099ab44727 ("mt76: mt7921: add MCU support")
Reported-by: Joshua Emele <jemele@chromium.org>
Co-developed-by: YN Chen <YN.Chen@mediatek.com>
Signed-off-by: YN Chen <YN.Chen@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: add HE-LTF into fixed rate command

Add HE-LTF control.

Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: report HE MU radiotap

Report HE MU/BF radiotap.

That fixed HE MU packets dropped by mac80211 because they are missing the
ieee80211_radiotap_he_mu header.

Fixes: 163f4d22c118d ("mt76: mt7921: add MAC support")
Co-developed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Co-developed-by: Eric-SY Chang <Eric-SY.Chang@mediatek.com>
Signed-off-by: Eric-SY Chang <Eric-SY.Chang@mediatek.com>
Tested-by: Eric-SY Chang <Eric-SY.Chang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7615: move mt7615_mcu_set_p2p_oppps in mt76_connac module

Move mt7615_mcu_set_p2p_oppps routine in mt76_connac_lib module in order
to be reused in mt7921 driver

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: overwrite default reg_ops if necessary

Introduce mt76_register_debugfs_fops routine in order to
define per-driver regs file operations and make sure the
device is up before reading or writing its registers

Fixes: 1d8efc741df8 ("mt76: mt7921: introduce Runtime PM support")
Fixes: de5ff3c9d1a2 ("mt76: mt7615: introduce pm_power_save delayed work")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: introduce mt7921_mcu_set_beacon_filter utility routine

Introduce mt7921_mcu_set_beacon_filter utility routine in order to
remove duplicated code for hw beacon filtering.
Move mt7921_pm_interface_iter in debugfs since it is just used there.
Make the following routine static:
- mt7921_pm_interface_iter
- mt7921_mcu_uni_bss_bcnft
- mt7921_mcu_set_bss_pm

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: get rid of mt7921_mac_set_beacon_filter

Remove mt7921_mac_set_beacon_filter routine since it is no longer used.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: get rid of monitor_vif

Remove monitor_vif pointer from mt7921 since it is just a leftover of
initial porting.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: connac: add support for limiting to maximum regulatory Tx power

Consider .max_reg_power in struct ieee80211_channel to limit the
maximum power the wireless device allowed to transmit on the
corresponding channel according to the regulatory domain.

Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: YN Chen <YN.Chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: connac: fix GTK rekey offload failure on WPA mixed mode

Update the proper firmware programming sequence to fix GTK rekey
offload failure on WPA mixed mode.

In the mt76_connac_mcu_key_iter,
gtk_tlv->proto should be only set up on pairwise key
and gtk_tlk->group_cipher should be only set up on the group key.

Otherwise, those parameters required by firmware would be set
incorrectly to cause GTK rekey offload failure on WPA mixed mode
and then disconnection follows.

Fixes: b47e21e75c80 ("mt76: mt7615: add gtk rekey offload support")
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Leon Yen <Leon.Yen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: fix dma hang in rmmod

The dma would be broken after rmmod flow. There are two different
cases causing this issue.
1. dma access without privilege.
2. hw access sequence borken by another context.

This patch handle both cases to avoid hw crash.

Fixes: 2b9ea5a8cf1bd ("mt76: mt7921: add mt7921_dma_cleanup in mt7921_unregister_device")
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: add support for setting mcast rate

Mesh and ad-hoc interfaces allow users to set mcast rate through
NL80211_ATTR_MCAST_RATE, so rework mt76_default_basic_rate() to
adapt that.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: fix bit fields for HT rate idx

The bit fields of tx rate idx should be 6 bits, otherwise it might be
incorrect in HT mode.
For VHT/HE rates, only 4 bits are actually used by rate idx, the other
2 bits are used for other functions.

Fixes: c31d94af1843 ("mt76: mt7915: fix tx rate related fields in tx descriptor")
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: switch proper tx arbiter mode in testmode

Switch proper tx arbiter mode during testmode tx to prevent from
entering the flow of normal tx in FW.
Also, testmode SU and MU tx need to use different arbiter mode.

Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: fix potential overflow of eeprom page index

If total eeprom size is divisible by per-page size, the i in for loop
will exceed max page index, which happens in our newer chipset.

Fixes: 26f18380e6ca ("mt76: mt7915: add support for flash mode")
Signed-off-by: Bo Jiao <bo.jiao@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: send EAPOL frames at lowest rate

The firmware rate control may choose the high rate for EAPOL frames,
so checking IEEE80211_TX_CTL_USE_MINRATE to use the lowest TX rate.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: send EAPOL frames at lowest rate

The firmware rate control may choose the high rate for EAPOL frames,
so checking IEEE80211_TX_CTL_USE_MINRATE to use the lowest TX rate.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: add control knobs for thermal throttling

With this patch, users can set the trigger/restore temperature for
thermal service according to their use cases.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: Add mt7922 support

Add new chip mt7922 in mt7921 module with following items
1. new chip ID / fw bin name
2. is_mt7922()
check chip type for different fw files
3. mt7921_get_data_mode()
check security type of fw (backward compatible)

Co-developed-by: Jimmy Hu <Jimmy.Hu@mediatek.com>
Signed-off-by: Jimmy Hu <Jimmy.Hu@mediatek.com>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7615: fix skb use-after-free on mac reset

When clearing all existing pending tx slots, mt76_tx_complete_skb needs to
be used to free the skbs, to ensure that they are cleared from the status
list as well.

Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: Fix out of order process by invalid event pkt

The acceptable event report should inlcude original CMD-ID. Otherwise,
drop unexpected result from fw.

Fixes: 1c099ab44727c ("mt76: mt7921: add MCU support")
Signed-off-by: Jimmy Hu <Jimmy.Hu@mediatek.com>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: fix mgmt frame using unexpected bitrate

Fix the current driver mgmt frame is not respecting the basic rates field
provided by the AP and then unconditionally is using the lowest (1 or 6
Mbps) rate.

For example, if the AP only supported basic rate {24, 36, 48, 54} Mbps,
mt7921 cannot send mgmt frame with the rate not in the group. So,
instead, we pick up the lowest basic rate the AP can support to send.

Fixes: e57b7901469f ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Suggested-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: fix mgmt frame using unexpected bitrate

Fix the current driver mgmt frame is not respecting the basic rates field
provided by the AP and then unconditionally is using the lowest (1 or 6
Mbps) rate.

For example, if the AP only supported basic rate {24, 36, 48, 54} Mbps,
mt7921 cannot send mgmt frame with the rate not in the group. So,
instead, we pick up the lowest basic rate the AP can support to send.

Fixes: 163f4d22c118 ("mt76: mt7921: add MAC support")
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: add mt76_default_basic_rate more devices can rely on

add mt76_default_basic_rate to mt76 core more devices can rely on
to send frames which require the rate in the basic rates.

Suggested-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: introduce testmode support

We add the testmode support to access the testmode feature provided
by the MT7921 firmware.

Tested-by: Sean Wang <sean.wang@mediatek.com>
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>

mt76: mt7915: remove mt7915_sta_stats

mt7915_sta_stats is no longer needed after tx rate reworking.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: report tx rate directly from tx status

Report tx rate from tx status packets instead of receving periodic mcu
event. This improves flexibility, accuracy and AQL performance, and
simplifies code flow for better readability.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: cleanup -Wunused-but-set-variable

Cleanup -Wunused-but-set-variable everywhere in driver.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: take RCU read lock when calling ieee80211_bss_get_elem()

As ieee80211_bss_get_elem() derefences an RCU to return ie, both
the call to this function and any operation on this variable need
protection by the RCU read lock.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: fix an off-by-one bound check

The bounds check on datalen is off-by-one, so fix it.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: add .set_sar_specs support

add .set_sar_specs to allow configuring SAR power limitations on the
frequency ranges from the userland.

Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: YN Chen <YN.Chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: adapt new firmware to update BA winsize for Rx session

The newer firmware requires host driver to set BA winsize
on both Tx/Rx sessions, so modify it for the long run.

Signed-off-by: Bo Jiao <Bo.Jiao@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: report HE MU radiotap

Report HE MU/BF radiotap.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt76x02: fix endianness warnings in mt76x02_mac.c

Fix the following sparse warning in mt76x02_mac_write_txwi and
mt76x02_mac_tx_rate_val routines:
drivers/net/wireless/mediatek/mt76/mt76x02_mac.c:237:19:
warning: restricted __le16 degrades to intege
warning: cast from restricted __le16
drivers/net/wireless/mediatek/mt76/mt76x02_mac.c:383:28:
warning: incorrect type in assignment (different base types)
expected restricted __le16 [usertype] rate
got unsigned long

Fixes: db9f11d3433f7 ("mt76: store wcid tx rate info in one u32 reduce locking")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: fix survey-dump reporting

Fix MIB tx-rx MIB counters for survey-dump reporting.

Fixes: 163f4d22c118d ("mt76: mt7921: add MAC support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: fix build error implicit enumeration conversion

drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:114:10: error: implicit
conversion from enumeration type 'enum mt76_cipher_type' to different
enumeration type 'enum mcu_cipher_type' [-Werror,-Wenum-conversion]
                return MT_CIPHER_NONE;
                ~~~~~~ ^~~~~~~~~~~~~~

drivers/net/wireless/mediatek/mt76/mt7921/mcu.c:114:10: error: implicit
conversion from enumeration type 'enum mt76_cipher_type' to different
enumeration type 'enum mcu_cipher_type' [-Werror,-Wenum-conversion]
                return MT_CIPHER_NONE;
                ~~~~~~ ^~~~~~~~~~~~~~

Fixes: c368362c36d3 ("mt76: fix iv and CCMP header insertion")
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: enable aspm by default

mt7921 is mainly used in NB, CE and IoT application where battery life is
much concerned so the patch enabled PCIe ASPM by default to shut off the
clocks related PCIe as much as possible when MT7921 is either in suspend
state or in runtime pm to lower power consumption.

We still leave disable aspm as an option with module_param for users to
disable ASPM if necessary.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: connac: fix mt76_connac_gtk_rekey_tlv usage

The mistaken structure is introduced since we added the GTK rekey offload
to mt7663. The patch fixes mt76_connac_gtk_rekey_tlv structure according
to the MT7663 and MT7921 firmware we have submitted into
linux-firmware.git.

Fixes: b47e21e75c80 ("mt76: mt7615: add gtk rekey offload support")
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Leon Yen <Leon.Yen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: fix calling mt76_wcid_alloc with incorrect parameter

It will cause maximum connectable STA to be one less
when calling mt76_wcid_alloc with parameter MT7915_WTBL_STA - 1.

Signed-off-by: Bo Jiao <Bo.Jiao@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Reviewed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: fix info leak in mt7915_mcu_set_pre_cal()

Zero out all the unused members of "req" so that we don't disclose
stack information.

Fixes: 495184ac91bb ("mt76: mt7915: add support for applying pre-calibration data")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7615: fix endianness warning in mt7615_mac_write_txwi

Fix the following sparse warning in mt7615_mac_write_txwi routine:
drivers/net/wireless/mediatek/mt76/mt7615/mac.c:758:17:
warning: incorrect type in assignment
expected restricted __le32 [usertype]
got unsigned long

Fixes: 04b8e65922f63 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets")
Fixes: d4bf77bd74930 ("mt76: mt7615: introduce mt7663u support to mt7615_write_txwi")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7921: fix endianness warning in mt7921_update_txs

Fix the following sparse warning in mt7921_update_txs routine:
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:752:31:
warning: cast to restricted __le32
drivers/net/wireless/mediatek/mt76/mt7921/mac.c:752:31:
warning: restricted __le32 degrades to integer

Fixes: e5bca8c5d2cd3 ("mt76: mt7921: improve code readability for mt7921_update_txs")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt7915: fix endianness warning in mt7915_mac_add_txs_skb

Fix the following sparse warning in mt7915_mac_add_txs_skb routine:

drivers/net/wireless/mediatek/mt76/mt7915/mac.c:1235:29:
warning: cast to restricted __le32
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:1235:23:
warning: restricted __le32 degrades to integer

Fixes: 3de4cb1756565 ("mt76: mt7915: add support for tx status reporting")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>