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path: root/drivers/net/wireless/mediatek/mt76/mt7921
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2021-05-15mt76: connac: do not schedule mac_work if the device is not runningLorenzo Bianconi
Do not run ieee80211_queue_delayed_work for mac work if the worqueue is not initialized yet Fixes: b1bd7bb8121d ("mt76: connac: unschedule mac_work before going to sleep") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/5bfd36a75799c37b12fcb54d17e77fbc2c7a0558.1619187875.git.lorenzo@kernel.org
2021-05-15mt76: mt7921: fix possible AOOB issue in mt7921_mcu_tx_rate_reportLorenzo Bianconi
Fix possible array out of bound access in mt7921_mcu_tx_rate_report. Remove unnecessary varibable in mt7921_mcu_tx_rate_report Fixes: 1c099ab44727c ("mt76: mt7921: add MCU support") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/91a1e8f6b6a3e6a929de560ed68132f6eb421720.1619187875.git.lorenzo@kernel.org
2021-04-21mt76: mt7921: reinit wpdma during drv_own if necessaryLorenzo Bianconi
Check dummy reg to reinitialized WPDMA during driver_own operation Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: move mt76_token_init in mt76_alloc_deviceLorenzo Bianconi
In order to remove duplicated code, move mt76_token_init in mt76_alloc_device routine Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: fix a precision vs width bug in printkDan Carpenter
Precision %.*s was intended instead of width %*s. The original code is potentially an information leak. Fixes: c7cc5ec57303 ("mt76: mt7921: rework mt7921_mcu_debug_msg_event routine") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: introduce mt7921_mcu_sta_add routineLorenzo Bianconi
mt7921_mcu_sta_add will be used to add and remove wtbl entries. Create broadcast wtbl entry after AP association Co-developed-by: Deren Wu <deren.wu@mediatek.com> Signed-off-by: Deren Wu <deren.wu@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: connac: unschedule mac_work before going to sleepLorenzo Bianconi
In order to wake the device less frequently and so reduce power consumpation, unschedule mac_work before going to sleep Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: improve doze opportunityLorenzo Bianconi
Increase mt7921 mac work timeout in oder to have move sleep opportunities Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: get rid of mcu_reset function pointerLorenzo Bianconi
since mcu_reset it used only by mt7921, move the reset callback to mt7921_mcu_parse_response routine and get rid of the function pointer. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: move token utilities in mt76 common moduleLorenzo Bianconi
Move token management in mt76 common module since it is shared between mt7615, mt7915 and mt7921 drivers Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: move token_lock, token and token_count in mt76_devLorenzo Bianconi
Move token_lock, token and token_count data structures in mt76_dev. This is a preliminary patch to move token management in mt76 common module since it is shared by mt7615, mt7915 and mt7921 drivers. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: fix possible invalid register accessSean Wang
Disable the interrupt and synchronze for the pending irq handlers to ensure the irq tasklet is not being scheduled after the suspend to avoid the possible invalid register access acts when the host pcie controller is suspended. [17932.910534] mt7921e 0000:01:00.0: pci_pm_suspend+0x0/0x22c returned 0 after 21375 usecs [17932.910590] pcieport 0000:00:00.0: calling pci_pm_suspend+0x0/0x22c @ 18565, parent: pci0000:00 [17932.910602] pcieport 0000:00:00.0: pci_pm_suspend+0x0/0x22c returned 0 after 8 usecs [17932.910671] mtk-pcie 11230000.pcie: calling platform_pm_suspend+0x0/0x60 @ 22783, parent: soc [17932.910674] mtk-pcie 11230000.pcie: platform_pm_suspend+0x0/0x60 returned 0 after 0 usecs ... 17933.615352] x1 : 00000000000d4200 x0 : ffffff8269ca2300 [17933.620666] Call trace: [17933.623127] mt76_mmio_rr+0x28/0xf0 [mt76] [17933.627234] mt7921_rr+0x38/0x44 [mt7921e] [17933.631339] mt7921_irq_tasklet+0x54/0x1d8 [mt7921e] [17933.636309] tasklet_action_common+0x12c/0x16c [17933.640754] tasklet_action+0x24/0x2c [17933.644418] __do_softirq+0x16c/0x344 [17933.648082] irq_exit+0xa8/0xac [17933.651224] scheduler_ipi+0xd4/0x148 [17933.654890] handle_IPI+0x164/0x2d4 [17933.658379] gic_handle_irq+0x140/0x178 [17933.662216] el1_irq+0xb8/0x180 [17933.665361] cpuidle_enter_state+0xf8/0x204 [17933.669544] cpuidle_enter+0x38/0x4c [17933.673122] do_idle+0x1a4/0x2a8 [17933.676352] cpu_startup_entry+0x24/0x28 [17933.680276] rest_init+0xd4/0xe0 [17933.683508] arch_call_rest_init+0x10/0x18 [17933.687606] start_kernel+0x340/0x3b4 [17933.691279] Code: aa0003f5 d503201f f953eaa8 8b344108 (b9400113) [17933.697373] ---[ end trace a24b8e26ffbda3c5 ]--- [17933.767846] Kernel panic - not syncing: Fatal exception in interrupt Fixes: ffa1bf97425b ("mt76: mt7921: introduce PM support") Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: enable deep sleep when the device suspendsSean Wang
Enable the deep sleep mode in suspend handler to reduce the power consumption further. Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: introduce mt7921_wpdma_reinit_cond utility routineLorenzo Bianconi
Add mt7921_wpdma_reinit_cond to check dummy reg if driver needs to reinitialized WPDMA after driver_own operation Co-developed-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Co-developed-by: Leon Yen <leon.yen@mediatek.com> Signed-off-by: Leon Yen <leon.yen@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-21mt76: mt7921: introduce mt7921_dma_{enable,disable} utilitiesLorenzo Bianconi
Introduce mt7921_dma_enable and mt7921_dma_disable utilities routine in order for code reusing between mt7921_dma_reset and mt7921_dma_init. This is a preliminary patch to reset dma during device driver_own request. 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: mt7921: introduce mt7921_wpdma_reset utility routineLorenzo Bianconi
Introduce mt7921_wpdma_reset routine to reset wpdma during chip reset or driver_own request. 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: mt7921: move mt7921_dma_reset in dma.cLorenzo Bianconi
Move mt7921_dma_reset routine in dma.c and make mt7921_dma_prefetch static. Moreover add force parameter to mt7921_dma_reset signature. This is a preliminary patch to reset dma mt7921_mcu_drv_pmctrl. 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: mt7921: enable sw interruptsLorenzo Bianconi
Enable sw interrupts in order to wake the device from deep sleep receiving packets Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
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: 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: 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: 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: 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: 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: 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: 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: 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>
2021-04-20Merge tag 'mac80211-next-for-net-next-2021-04-20' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes Berg says: ==================== Another set of updates, all over the map: * set sk_pacing_shift for 802.3->802.11 encap offload * some monitor support for 802.11->802.3 decap offload * HE (802.11ax) spec updates * userspace API for TDLS HE support * along with various other small features, cleanups and fixups ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19wireless: fix spelling of A-MSDU in HE capabilitiesJohannes Berg
In the HE capabilities, spell A-MSDU correctly, not "A-MDSU". Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20210409123755.9e6ff1af1181.If6868bc6902ccd9a95c74c78f716c4b41473ef14@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-04-19wireless: align HE capabilities A-MPDU Length Exponent ExtensionJohannes Berg
The A-MPDU length exponent extension is defined differently in 802.11ax D6.1, align with that. Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20210409123755.c2a257d3e2df.I3455245d388c52c61dace7e7958dbed7e807cfb6@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-04-19wireless: align some HE capabilities with the specJohannes Berg
Some names were changed, align that with the spec as of 802.11ax-D6.1. Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20210409123755.b1e5fbab0d8c.I3eb6076cb0714ec6aec6b8f9dee613ce4a05d825@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-04-17Merge tag 'mt76-for-kvalo-2021-04-12' of https://github.com/nbd168/wirelessKalle Valo
mt76 patches for 5.13 * code cleanup * mt7915/mt7615 decap offload support * driver fixes * mt7613 eeprom support * MCU code unification * threaded NAPI support * new device IDs * mt7921 device reset support * rx timestamp support # gpg: Signature made Tue 13 Apr 2021 12:11:25 AM EEST using DSA key ID 02A76EF5 # gpg: Good signature from "Felix Fietkau <nbd@nbd.name>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 75D1 1A7D 91A7 710F 4900 42EF D77D 141D 02A7 6EF5
2021-04-12mt76: mt7921: add rcu section in mt7921_mcu_tx_rate_reportLorenzo Bianconi
Introduce rcu section in mt7921_mcu_tx_rate_report before dereferencing wcid pointer otherwise loockdep will report the following issue: [ 115.245740] ============================= [ 115.245754] WARNING: suspicious RCU usage [ 115.245771] 5.10.20 #0 Not tainted [ 115.245784] ----------------------------- [ 115.245816] other info that might help us debug this: [ 115.245830] rcu_scheduler_active = 2, debug_locks = 1 [ 115.245845] 3 locks held by kworker/u4:1/20: [ 115.245858] #0: ffffff80065ab138 ((wq_completion)phy0){+.+.}-{0:0}, at: process_one_work+0x1f8/0x6b8 [ 115.245948] #1: ffffffc01198bdd8 ((work_completion)(&(&dev->mphy.mac_work)->work)){+.+.}-{0:0}, at: process_one_8 [ 115.246027] #2: ffffff8006543ce8 (&dev->mutex#2){+.+.}-{3:3}, at: mt7921_mac_work+0x60/0x2b0 [mt7921e] [ 115.246125] [ 115.246125] stack backtrace: [ 115.246142] CPU: 1 PID: 20 Comm: kworker/u4:1 Not tainted 5.10.20 #0 [ 115.246152] Hardware name: MediaTek MT7622 RFB1 board (DT) [ 115.246168] Workqueue: phy0 mt7921_mac_work [mt7921e] [ 115.246188] Call trace: [ 115.246201] dump_backtrace+0x0/0x1a8 [ 115.246213] show_stack+0x14/0x30 [ 115.246228] dump_stack+0xec/0x134 [ 115.246240] lockdep_rcu_suspicious+0xcc/0xdc [ 115.246255] mt7921_get_wtbl_info+0x2a4/0x310 [mt7921e] [ 115.246269] mt7921_mac_work+0x284/0x2b0 [mt7921e] [ 115.246281] process_one_work+0x2a0/0x6b8 [ 115.246293] worker_thread+0x40/0x440 [ 115.246305] kthread+0x144/0x148 [ 115.246317] ret_from_fork+0x10/0x18 Fixes: 1c099ab44727c ("mt76: mt7921: add MCU support") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-12mt76: mt7921: introduce MCU_EVENT_LP_INFO event parsingLorenzo Bianconi
Report trace event related to MCU_EVENT_LP_INFO that is sent by the mcu when it is ready to enter in deep sleep state Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-04-12mt76: report Rx timestampRyder Lee
Frame reception timestamp (low 32-bits) that indicates the value of the local TSF timer value at the time the first bit of the MAC header in the received frame (PPDU unit) arriving at the MAC. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
generated by cgit (git 2.34.1) at 2025-09-29 05:50:20 +0000