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2021-04-21mt76: mt7921: add awake and doze time accountingLorenzo Bianconi
Introduce awake and doze time accounting for runtime pm. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: remove MT76_STATE_PM in tx pathLorenzo Bianconi
since tx/rx path is now relying pm ref counting, get rid of MT76_STATE_PM check in the tx path Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: connac: use waitqueue for runtime-pmLorenzo Bianconi
Simplify the code using a wait_queue_head_t instead of a completion to wait the chip is fully awake in mt76_connac_pm_wake routine Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: connac: do not run mt76_txq_schedule_all directlyLorenzo Bianconi
In order to not break runtime-pm, do run mt76_txq_schedule_all in mt7615_set_channel/mt7921_set_channel but rely on mt76_worker_schedule Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7615: rely on pm refcounting in mt7615_led_set_configLorenzo Bianconi
Rely on mt76_connac_pm_ref/mt76_connac_pm_unref utility routines in mt7615_led_set_config Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: connac: alaways wake the device before scanningLorenzo Bianconi
move scanning check from mt76_connac_power_save_sched routine to mt7921_pm_power_save_work/mt7615_pm_power_save_work ones Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: get rid of useless MT76_STATE_PM in mt7921_mac_workLorenzo Bianconi
Remove useless MT76_STATE_PM check in mt7921_mac_work since mt7921_mutex_acquire will wake up the device if necessary Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: connac: remove MT76_STATE_PM in mac_tx_freeLorenzo Bianconi
Get rid of MT76_STATE_PM chec in mt7615_mac_tx_free and mt7921_mac_tx_free since we already rely on mt76_connac_pm_unref in the NAPI callback. Remove mt76_connac_power_save_sched calls in mt7615_mac_tx_free and mt7921_mac_tx_free Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: connac: check wake refcount in mcu_fw_pmctrlLorenzo Bianconi
In order to avoid synchronization races between tx and rx path, rely on mt76_connac_skip_fw_pmctrl putting the chip in sleep mode for mt7921 and mt7663 devices Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: connac: unschedule ps_work in mt76_connac_pm_wakeLorenzo Bianconi
In order to avoid synchronization issues between wake and ps works, cancel ps_work in mt76_connac_pm_wake routine Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7663: rely on mt76_connac_pm_ref/mt76_connac_pm_unref in tx/rx napiLorenzo Bianconi
Introduce mt7615_poll_rx rx napi callback for mt7663. Do not access device registers in tx/rx napi if the device is not awake. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: rely on mt76_connac_pm_ref/mt76_connac_pm_unref in tx/rx napiLorenzo Bianconi
Introduce mt7921_poll_rx rx napi callback for mt7921. Do not access device registers in tx/rx napi if the device is not awake. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: dma: add the capability to define a custom rx napi poll routineLorenzo Bianconi
Add the capability to define a custom rx napi callback for each driver. This is a preliminary patch to properly support runtime-pm on rx side Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7663: rely on mt76_connac_pm_ref/mt76_connac_pm_unref in tx pathLorenzo Bianconi
Introduce mt7615_tx_worker routine as mt76 tx worker callback for mt7663. Rely on mt76_connac_pm_ref/mt76_connac_pm_unref to check PM state and increment/decrement wake counter Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: rely on mt76_connac_pm_ref/mt76_connac_pm_unref in tx pathLorenzo Bianconi
Introduce mt7921_tx_worker routine as mt76 tx worker callback for mt7921. Rely on mt76_connac_pm_ref/mt76_connac_pm_unref to check PM state and increment/decrement wake counter Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: connac: introduce wake counter for fw_pmctrl synchronizationLorenzo Bianconi
Introduce wake counter and related spinlock in order to synchronize tx/rx path and fw_pmctrl request. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7663: fix a race between mt7615_mcu_drv_pmctrl and mt7615_mcu_fw_pmctrlLorenzo Bianconi
Introduce a mutex in order to avoid a race between mt7615_mcu_lp_drv_pmctrl and mt7615_mcu_fw_pmctrl routines since they are run two independent works Fixes: 1f549009b5b2 ("mt76: mt7615: do not request {driver,fw}_own if already granted") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: fix a race between mt7921_mcu_drv_pmctrl and mt7921_mcu_fw_pmctrlLorenzo Bianconi
Introduce a mutex in order to avoid a race between mt7921_mcu_drv_pmctrl and mt7921_mcu_fw_pmctrl routines since they are run two independent works Fixes: 1d8efc741df8 ("mt76: mt7921: introduce Runtime PM support") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: remove leftover function declarationLorenzo Bianconi
Get rid of leftover mt7921_mcu_add_bss_info routine declaration Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: connac: move mcu_update_arp_filter in mt76_connac moduleLorenzo Bianconi
Move mt76_connac_mcu_update_arp_filter in mt76_connac module since the code is shared between mt7615 and mt7921 Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: do not use 0 as NULL pointerLorenzo Bianconi
Fix the following sparse warning: drivers/net/wireless/mediatek/mt76/mt7921/mac.c:1425:70: warning: Using plain integer as NULL pointer Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7915: directly read per-rate tx power from registersShayne Chen
Since driver no longer handler per-rate tx power setting, we need to read the power values directly from registers. Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com> 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>
2021-04-21mt76: mt7915: rework the flow of txpower settingShayne Chen
Clean up the flow of per-rate txpower limit setting to get rid of duplicate work since it has already been handled by firmware, and set proper max_power based on different channels and regdomains. 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>
2021-04-21mt76: mt7915: add support for DT rate power limitsShayne Chen
Enable to limit per-rate max txpower from DT. Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com> 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>
2021-04-21mt76: mt7921: abort uncompleted scan by wifi resetSean Wang
Scan abort should be required for the uncompleted hardware scan interrupted by wifi reset. Otherwise, it is possible that the scan request after wifi reset gets error code -EBUSY from mac80211 and then blocks the reconnectting to the access point. Fixes: 0c1ce9884607 ("mt76: mt7921: add wifi reset support") Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: add wifisys reset support in debugfsSean Wang
Introduce chip_reset knob in mt7921 debugfs to export a way to users able to trigger wifi reset, and group the similar operations previously defined in chip_config in the same knob. Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: run mt7921_mcu_fw_log_2_host holding mt76 mutexLorenzo Bianconi
Wake the chip before configuring the mcu log level Fixes: 1d8efc741df8 ("mt76: mt7921: introduce Runtime PM support") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: improve mcu error loggingLorenzo Bianconi
Dump mcu command code in hex and related prefix to help debugging Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: move hw configuration in mt7921_register_deviceLorenzo Bianconi
Get rid of init work since firmware loading is already performed in mt7921_init_hardware Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7915: add support for applying pre-calibration dataRyder Lee
When the EEPROM data is read from flash, it can contain pre-calibration data, which can save calibration time. Note that group_cal can save 30% bootup calibration time, and dpd_cal can save 75% channel switching time. Tested-by: Bo Jiao <bo.jiao@mediatek.com> Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7615: load ROM patch before checking patch semaphore statusFelix Fietkau
For MT7663, the availability of the patch files is used to detect, which corresponding firmware is going to be used (AP firmware or STA offload firmware). If the ROM patch was already applied, it could attempt to load the wrong firmware (without considering the alternative). Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7615: fix entering driver-own state on mt7663Felix Fietkau
Fixes hardware wakeup issues Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7615: fix hardware error recovery for mt7663Felix Fietkau
MT7663 uses different bits for communicating reset commands/status between MCU and host. Also add an extra initial reset command. Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: add dumping Tx power tableSean Wang
Dump the tx power table saved in offload firmware. 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>
2021-04-21mt76: introduce single-sku support for mt7663/mt7921Lorenzo Bianconi
Introduce support for rate-txpower compensation for mt7663/mt7921 chipsets. Rate-txpower limit is specified through dts Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7615: do not use mt7615 single-sku values for mt7663Lorenzo Bianconi
mt7663 mcu relies on different APIs to configure APIs per-rate power limit respect to mt7615 driver. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7615: implement support for using DT rate power limitsFelix Fietkau
Limits are used to update the channel max_power settings and also passed to the firmware on channel changes Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: extend DT rate power limits to support 11ax devicesShayne Chen
Enable parsing per-rate txpower limits from DT for 11ax chipsets. Co-developed-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Felix Fietkau <nbd@nbd.name> Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com> Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: add functions for parsing rate power limits from DTFelix Fietkau
This subnode can be used to set per-rate tx power limits either per country code / regdomain or globally. These limits are typically provided by the device manufacturers and are used to limit sideband emissions and stay within regulatory limits Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21dt-bindings:net:wireless:mediatek,mt76: introduce power-limits nodeLorenzo Bianconi
Introduce power-limits node in mt76 binding in order to specify per-rate power limit values for each 802.11n/802.11ac rate Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: flush tx status queue on DMA resetFelix Fietkau
After DMA reset, tx status information for queued frames will never arrive. Flush the queue to free skbs immediately instead of waiting for a timeout Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: add mt7921_dma_cleanup in mt7921_unregister_deviceLorenzo Bianconi
In order to avoid memory leaks, clean the dma engine unloading the module Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7615: use ieee80211_free_txskb() in mt7615_tx_token_put()Ryder Lee
We should use ieee80211_free_txskb() to report skb status avoid wrong aql accounting after reset. Cc: stable@vger.kernel.org Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7615: only free skbs after mt7615_dma_reset() when reset happensRyder Lee
In mt7615_mac_reset_work(), make sure freeing skbs after mt7615_dma_reset(). Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7915: only free skbs after mt7915_dma_reset() when reset happensRyder Lee
In mt7915_mac_reset_work(), make sure freeing skbs after mt7915_dma_reset(). Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7915: fix memleak when mt7915_unregister_device()Ryder Lee
mt7915_tx_token_put() should get call before mt76_free_pending_txwi(). Fixes: f285dfb98562 ("mt76: mt7915: reset token when mac_reset happens") Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7615: fix memleak when mt7615_unregister_device()Ryder Lee
mt7615_tx_token_put() should get call before mt76_free_pending_txwi(). Fixes: a6275e934605 ("mt76: mt7615: reset token when mac_reset happens") Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7915: fix rate setting of tx descriptor in testmodeShayne Chen
Fix ofdm rate index and ldpc setting in rate setting field of tx descriptor. Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7915: rework mt7915_tm_set_tx_len()Shayne Chen
Rework mt7915_tm_set_tx_len() with mt76_testmode_alloc_skb() to support larger packet based on a longer tx_time. Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: testmode: add support to send larger packetShayne Chen
Add support to send larger packet in testmode to meet requirements of some test cases. The limit of max packet size is determined based on tx rate mode setting. Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
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