Lorenzo Bianconi and Felix Fietkau
9827df56b2
wifi: mt76: move wed common utilities in wed.c
...
Introduce wed.c in order to collect mt76 wed common codebase used by
mt7915 and mt7996 drivers.
Signed-off-by: Lorenzo Bianconi <[email protected] [email protected]
2024-02-03 15:04:42 +01:00
Felix Fietkau
f559adf184
wifi: mt76: fix crash with WED rx support enabled
...
If WED rx is enabled, rx buffers are added to a buffer pool that can be
filled from multiple page pools. Because buffers freed from rx poll are
not guaranteed to belong to the processed queue's page pool, lockless
caching must not be used in this case.
Cc: [email protected] [email protected]
2023-12-08 08:43:42 +01:00
Felix Fietkau
7730fc91dd
wifi: mt76: fix shift overflow warnings on 32 bit systems
...
Signed-off-by: Felix Fietkau <[email protected]
2023-12-07 18:49:45 +01:00
Sujuan Chen and Felix Fietkau
95c14207d2
wifi: mt76: mt7996: set DMA mask to 36 bits for boards with more than 4GB of RAM
...
Introduce the capability to run mt7996 driver on boards with more than
4GB of memory.
Co-developed-by: Rex Lu <[email protected] [email protected] [email protected] [email protected] [email protected]
2023-12-06 12:21:19 +01:00
Lorenzo Bianconi and Felix Fietkau
7f17e164fb
wifi: mt76: mt7996: add wed reset support
...
Introduce the capability to reset mt7996 chipset if requested by wed
driver.
Signed-off-by: Lorenzo Bianconi <[email protected] [email protected]
2023-11-17 14:12:32 +01:00
Lorenzo Bianconi and Felix Fietkau
be2e74c0c4
wifi: mt76: move wed reset common code in mt76 module
...
Move WED reset code shared between mt7915 and mt7996 in common module.
This is a preliminary patch to introduce WED reset support for mt7996.
Signed-off-by: Lorenzo Bianconi <[email protected] [email protected]
2023-11-17 14:12:32 +01:00
Bo Jiao and Felix Fietkau
abca260a15
wifi: mt76: mt7996: add wed rx support
...
Similar to MT7915, enable Wireless Ethernet Ditpatcher for MT7996
to offload traffic received from the WLAN nic and transmitted on the
LAN one
Co-developed-by: Lorenzo Bianconi <[email protected] [email protected] [email protected] [email protected] [email protected] [email protected]
2023-11-17 14:12:32 +01:00
Lorenzo Bianconi and Felix Fietkau
ec8765a02f
wifi: mt76: dma: introduce __mt76_dma_queue_reset utility routine
...
This is a preliminary patch to introduce WED support for mt7996
Signed-off-by: Lorenzo Bianconi <[email protected] [email protected]
2023-11-17 14:12:32 +01:00
Sujuan Chen and Felix Fietkau
2e7f30f22c
wifi: mt76: mt7996: add wed tx support
...
Similar to MT7915, enable Wireless Ethernet Ditpatcher for MT7996
to offload traffic received from the LAN nic and transmitted on the
WLAN one
Co-developed-by: Lorenzo Bianconi <[email protected] [email protected] [email protected] [email protected]
2023-11-17 14:12:32 +01:00
Lorenzo Bianconi and Felix Fietkau
48b0cedbf8
wifi: mt76: introduce wed pointer in mt76_queue
...
Introduce mtk_wed_device pointer in mt76_queue structure in order to
configure WED chip.
Get rid of dev parameter in Q_READ and Q_WRITE macros.
Introduce wed parameter to the following routine signatures:
- mt76_init_queue
- mt76_init_tx_queue
This is a preliminary patch to introduce WED support for mt7996 since
mt7996 runs two separate WED chips.
Signed-off-by: Lorenzo Bianconi <[email protected] [email protected]
2023-11-17 14:12:32 +01:00
Lorenzo Bianconi and Felix Fietkau
d798d5d6f7
wifi: mt76: introduce mt76_queue_is_wed_tx_free utility routine
...
This is a preliminary patch to introduce WED support for mt7996
Signed-off-by: Lorenzo Bianconi <[email protected] [email protected]
2023-11-17 14:12:32 +01:00
Sean Wang and Felix Fietkau
d6cc20bf59
wifi: mt76: reduce spin_lock_bh held up in mt76_dma_rx_cleanup
...
mt76_dma_rx_cleanup would be frequenetly called up to reset the dma rings
to be freshed as new ones when switching back from the deep sleep mode to
the active mode on mt7921 and mt7922.
Shrink the scope of spin_lock_bh in mt76_dma_rx_cleanup being held up
to allow the kernel scheduler to be able to switch other tasks in time
by reducing the latency.
Signed-off-by: Sean Wang <[email protected] [email protected]
2023-09-30 20:17:46 +02:00
Lorenzo Bianconi and Felix Fietkau
fcc2f3d82b
wifi: mt76: fix lock dependency problem for wed_lock
...
Fix the following kernel depency lock holding wed_lock with BH disabled.
[ 40.579696] mt798x-wmac 18000000.wifi: attaching wed device 0 version 2
[ 40.604648] platform 15010000.wed: MTK WED WO Firmware Version: DEV_000000, Build Time: 20221208202138
[ 40.613972] platform 15010000.wed: MTK WED WO Chip ID 00 Region 3
[ 40.943617]
[ 40.945118] ========================================================
[ 40.951457] WARNING: possible irq lock inversion dependency detected
[ 40.957797] 5.15.127 #0 Not tainted
[ 40.961276] --------------------------------------------------------
[ 40.967614] insmod/2329 just changed the state of lock:
[ 40.972827] ffffff8004003b08 (&dev->wed_lock){+.+.}-{2:2}, at: mt76_get_rxwi+0x1c/0xac [mt76]
[ 40.981387] but this lock was taken by another, SOFTIRQ-safe lock in the past:
[ 40.988592] (&q->lock){+.-.}-{2:2}
[ 40.988602]
[ 40.988602]
[ 40.988602] and interrupts could create inverse lock ordering between them.
[ 40.988602]
[ 41.003445]
[ 41.003445] other info that might help us debug this:
[ 41.009957] Possible interrupt unsafe locking scenario:
[ 41.009957]
[ 41.016729] CPU0 CPU1
[ 41.021245] ---- ----
[ 41.025761] lock(&dev->wed_lock);
[ 41.029241] local_irq_disable();
[ 41.035145] lock(&q->lock);
[ 41.040620] lock(&dev->wed_lock);
[ 41.046616] <Interrupt>
[ 41.049223] lock(&q->lock);
[ 41.052356]
[ 41.052356] *** DEADLOCK ***
[ 41.052356]
[ 41.058260] 1 lock held by insmod/2329:
[ 41.062085] #0 : ffffff80003b9988 (&dev->mutex){....}-{3:3}, at: __driver_attach+0x88/0x190
[ 41.070442]
[ 41.070442] the shortest dependencies between 2nd lock and 1st lock:
[ 41.078257] -> (&q->lock){+.-.}-{2:2} {
[ 41.082177] HARDIRQ-ON-W at:
[ 41.085396] lock_acquire+0xfc/0x2c0
[ 41.090787] _raw_spin_lock_bh+0x84/0xa0
[ 41.096525] mt76_dma_cleanup+0x24c/0x650 [mt76]
[ 41.102977] mt76_dma_cleanup+0x614/0x650 [mt76]
[ 41.109428] mt7915_eeprom_get_power_delta+0x1168/0x2464 [mt7915e]
[ 41.117435] mt7915_eeprom_init+0x40/0x340 [mt7915e]
[ 41.124222] cleanup_module+0x94/0xb28 [mt7915e]
[ 41.130662] platform_probe+0x64/0xbc
[ 41.136139] really_probe.part.0+0x98/0x2f4
[ 41.142134] __driver_probe_device+0x94/0x16c
[ 41.148303] driver_probe_device+0x40/0x120
[ 41.154299] __driver_attach+0x94/0x190
[ 41.159947] bus_for_each_dev+0x5c/0x94
[ 41.165594] driver_attach+0x20/0x30
[ 41.170983] bus_add_driver+0x104/0x1f4
[ 41.176631] driver_register+0x74/0x120
[ 41.182280] __platform_driver_register+0x24/0x30
[ 41.188797] 0xffffffc000cb1074
[ 41.193754] do_one_initcall+0x70/0x2cc
[ 41.199403] do_init_module+0x44/0x240
[ 41.204968] load_module+0x1f5c/0x2874
[ 41.210532] __do_sys_init_module+0x1d8/0x2ac
[ 41.216702] __arm64_sys_init_module+0x18/0x20
[ 41.222958] invoke_syscall.constprop.0+0x4c/0xe0
[ 41.229474] do_el0_svc+0x50/0xf0
[ 41.234602] el0_svc+0x4c/0xcc
[ 41.239471] el0t_64_sync_handler+0xe0/0x110
[ 41.245556] el0t_64_sync+0x15c/0x160
[ 41.251029] IN-SOFTIRQ-W at:
[ 41.254249] lock_acquire+0xfc/0x2c0
[ 41.259638] _raw_spin_lock_bh+0x84/0xa0
[ 41.265372] mt76_queue_tx_complete+0x34/0x70 [mt76]
[ 41.272170] mt76_free_pending_rxwi+0x36c/0x5d0 [mt76]
[ 41.279140] mt76_free_pending_rxwi+0x5c0/0x5d0 [mt76]
[ 41.286111] mt7915_eeprom_get_power_delta+0x620/0x2464 [mt7915e]
[ 41.294026] __napi_poll.constprop.0+0x5c/0x230
[ 41.300372] net_rx_action+0xe4/0x294
[ 41.305847] _stext+0x154/0x4cc
[ 41.310801] do_softirq+0xa4/0xbc
[ 41.315930] __local_bh_enable_ip+0x168/0x174
[ 41.322097] napi_threaded_poll+0xbc/0x140
[ 41.328007] kthread+0x13c/0x150
[ 41.333049] ret_from_fork+0x10/0x20
[ 41.338437] INITIAL USE at:
[ 41.341568] lock_acquire+0xfc/0x2c0
[ 41.346869] _raw_spin_lock_bh+0x84/0xa0
[ 41.352519] mt76_dma_cleanup+0x24c/0x650 [mt76]
[ 41.358882] mt76_dma_cleanup+0x614/0x650 [mt76]
[ 41.365245] mt7915_eeprom_get_power_delta+0x1168/0x2464 [mt7915e]
[ 41.373160] mt7915_eeprom_init+0x40/0x340 [mt7915e]
[ 41.379860] cleanup_module+0x94/0xb28 [mt7915e]
[ 41.386213] platform_probe+0x64/0xbc
[ 41.391602] really_probe.part.0+0x98/0x2f4
[ 41.397511] __driver_probe_device+0x94/0x16c
[ 41.403594] driver_probe_device+0x40/0x120
[ 41.409502] __driver_attach+0x94/0x190
[ 41.415063] bus_for_each_dev+0x5c/0x94
[ 41.420625] driver_attach+0x20/0x30
[ 41.425926] bus_add_driver+0x104/0x1f4
[ 41.431487] driver_register+0x74/0x120
[ 41.437049] __platform_driver_register+0x24/0x30
[ 41.443479] 0xffffffc000cb1074
[ 41.448346] do_one_initcall+0x70/0x2cc
[ 41.453907] do_init_module+0x44/0x240
[ 41.459383] load_module+0x1f5c/0x2874
[ 41.464860] __do_sys_init_module+0x1d8/0x2ac
[ 41.470944] __arm64_sys_init_module+0x18/0x20
[ 41.477113] invoke_syscall.constprop.0+0x4c/0xe0
[ 41.483542] do_el0_svc+0x50/0xf0
[ 41.488582] el0_svc+0x4c/0xcc
[ 41.493364] el0t_64_sync_handler+0xe0/0x110
[ 41.499361] el0t_64_sync+0x15c/0x160
[ 41.504748] }
[ 41.506489] ... key at: [<ffffffc000c65ba0>] __this_module+0x3e0/0xffffffffffffa840 [mt76]
[ 41.515371] ... acquired at:
[ 41.518413] _raw_spin_lock+0x60/0x74
[ 41.522240] mt76_get_rxwi+0x1c/0xac [mt76]
[ 41.526608] mt76_dma_cleanup+0x3e0/0x650 [mt76]
[ 41.531410] mt76_dma_cleanup+0x614/0x650 [mt76]
[ 41.536211] mt7915_dma_init+0x408/0x7b0 [mt7915e]
[ 41.541177] mt7915_register_device+0x310/0x620 [mt7915e]
[ 41.546749] mt7915_mmio_probe+0xcec/0x1d44 [mt7915e]
[ 41.551973] platform_probe+0x64/0xbc
[ 41.555802] really_probe.part.0+0x98/0x2f4
[ 41.560149] __driver_probe_device+0x94/0x16c
[ 41.564670] driver_probe_device+0x40/0x120
[ 41.569017] __driver_attach+0x94/0x190
[ 41.573019] bus_for_each_dev+0x5c/0x94
[ 41.577018] driver_attach+0x20/0x30
[ 41.580758] bus_add_driver+0x104/0x1f4
[ 41.584758] driver_register+0x74/0x120
[ 41.588759] __platform_driver_register+0x24/0x30
[ 41.593628] init_module+0x74/0x1000 [mt7915e]
[ 41.598248] do_one_initcall+0x70/0x2cc
[ 41.602248] do_init_module+0x44/0x240
[ 41.606162] load_module+0x1f5c/0x2874
[ 41.610078] __do_sys_init_module+0x1d8/0x2ac
[ 41.614600] __arm64_sys_init_module+0x18/0x20
[ 41.619209] invoke_syscall.constprop.0+0x4c/0xe0
[ 41.624076] do_el0_svc+0x50/0xf0
[ 41.627555] el0_svc+0x4c/0xcc
[ 41.630776] el0t_64_sync_handler+0xe0/0x110
[ 41.635211] el0t_64_sync+0x15c/0x160
[ 41.639037]
[ 41.640517] -> (&dev->wed_lock){+.+.}-{2:2} {
[ 41.644872] HARDIRQ-ON-W at:
[ 41.648003] lock_acquire+0xfc/0x2c0
[ 41.653219] _raw_spin_lock+0x60/0x74
[ 41.658520] mt76_free_pending_rxwi+0xc0/0x5d0 [mt76]
[ 41.665232] mt76_dma_cleanup+0x1dc/0x650 [mt76]
[ 41.671508] mt7915_eeprom_get_power_delta+0x1830/0x2464 [mt7915e]
[ 41.679336] mt7915_unregister_device+0x5b4/0x910 [mt7915e]
[ 41.686555] mt7915_eeprom_get_target_power+0xb8/0x230 [mt7915e]
[ 41.694209] mt7986_wmac_enable+0xc30/0xcd0 [mt7915e]
[ 41.700909] platform_remove+0x4c/0x64
[ 41.706298] __device_release_driver+0x194/0x240
[ 41.712554] driver_detach+0xc0/0x100
[ 41.717857] bus_remove_driver+0x54/0xac
[ 41.723418] driver_unregister+0x2c/0x54
[ 41.728980] platform_driver_unregister+0x10/0x20
[ 41.735323] mt7915_ops+0x244/0xffffffffffffed58 [mt7915e]
[ 41.742457] __arm64_sys_delete_module+0x170/0x23c
[ 41.748887] invoke_syscall.constprop.0+0x4c/0xe0
[ 41.755229] do_el0_svc+0x50/0xf0
[ 41.760183] el0_svc+0x4c/0xcc
[ 41.764878] el0t_64_sync_handler+0xe0/0x110
[ 41.770788] el0t_64_sync+0x15c/0x160
[ 41.776088] SOFTIRQ-ON-W at:
[ 41.779220] lock_acquire+0xfc/0x2c0
[ 41.784435] _raw_spin_lock+0x60/0x74
[ 41.789737] mt76_get_rxwi+0x1c/0xac [mt76]
[ 41.795580] mt7915_debugfs_rx_log+0x804/0xb74 [mt7915e]
[ 41.802540] mtk_wed_start+0x970/0xaa0
[ 41.807929] mt7915_dma_start+0x26c/0x630 [mt7915e]
[ 41.814455] mt7915_dma_start+0x5a4/0x630 [mt7915e]
[ 41.820981] mt7915_dma_init+0x45c/0x7b0 [mt7915e]
[ 41.827420] mt7915_register_device+0x310/0x620 [mt7915e]
[ 41.834467] mt7915_mmio_probe+0xcec/0x1d44 [mt7915e]
[ 41.841167] platform_probe+0x64/0xbc
[ 41.846469] really_probe.part.0+0x98/0x2f4
[ 41.852291] __driver_probe_device+0x94/0x16c
[ 41.858286] driver_probe_device+0x40/0x120
[ 41.864107] __driver_attach+0x94/0x190
[ 41.869582] bus_for_each_dev+0x5c/0x94
[ 41.875056] driver_attach+0x20/0x30
[ 41.880270] bus_add_driver+0x104/0x1f4
[ 41.885745] driver_register+0x74/0x120
[ 41.891221] __platform_driver_register+0x24/0x30
[ 41.897564] init_module+0x74/0x1000 [mt7915e]
[ 41.903657] do_one_initcall+0x70/0x2cc
[ 41.909130] do_init_module+0x44/0x240
[ 41.914520] load_module+0x1f5c/0x2874
[ 41.919909] __do_sys_init_module+0x1d8/0x2ac
[ 41.925905] __arm64_sys_init_module+0x18/0x20
[ 41.931989] invoke_syscall.constprop.0+0x4c/0xe0
[ 41.938331] do_el0_svc+0x50/0xf0
[ 41.943285] el0_svc+0x4c/0xcc
[ 41.947981] el0t_64_sync_handler+0xe0/0x110
[ 41.953892] el0t_64_sync+0x15c/0x160
[ 41.959192] INITIAL USE at:
[ 41.962238] lock_acquire+0xfc/0x2c0
[ 41.967365] _raw_spin_lock+0x60/0x74
[ 41.972580] mt76_free_pending_rxwi+0xc0/0x5d0 [mt76]
[ 41.979206] mt76_dma_cleanup+0x1dc/0x650 [mt76]
[ 41.985395] mt7915_eeprom_get_power_delta+0x1830/0x2464 [mt7915e]
[ 41.993137] mt7915_unregister_device+0x5b4/0x910 [mt7915e]
[ 42.000270] mt7915_eeprom_get_target_power+0xb8/0x230 [mt7915e]
[ 42.007837] mt7986_wmac_enable+0xc30/0xcd0 [mt7915e]
[ 42.014450] platform_remove+0x4c/0x64
[ 42.019753] __device_release_driver+0x194/0x240
[ 42.025922] driver_detach+0xc0/0x100
[ 42.031137] bus_remove_driver+0x54/0xac
[ 42.036612] driver_unregister+0x2c/0x54
[ 42.042087] platform_driver_unregister+0x10/0x20
[ 42.048344] mt7915_ops+0x244/0xffffffffffffed58 [mt7915e]
[ 42.055391] __arm64_sys_delete_module+0x170/0x23c
[ 42.061735] invoke_syscall.constprop.0+0x4c/0xe0
[ 42.067990] do_el0_svc+0x50/0xf0
[ 42.072857] el0_svc+0x4c/0xcc
[ 42.077466] el0t_64_sync_handler+0xe0/0x110
[ 42.083289] el0t_64_sync+0x15c/0x160
[ 42.088503] }
[ 42.090157] ... key at: [<ffffffc000c65c10>] __this_module+0x450/0xffffffffffffa840 [mt76]
[ 42.098951] ... acquired at:
[ 42.101907] __lock_acquire+0x718/0x1df0
[ 42.105994] lock_acquire+0xfc/0x2c0
[ 42.109734] _raw_spin_lock+0x60/0x74
[ 42.113561] mt76_get_rxwi+0x1c/0xac [mt76]
[ 42.117929] mt7915_debugfs_rx_log+0x804/0xb74 [mt7915e]
[ 42.123415] mtk_wed_start+0x970/0xaa0
[ 42.127328] mt7915_dma_start+0x26c/0x630 [mt7915e]
[ 42.132379] mt7915_dma_start+0x5a4/0x630 [mt7915e]
[ 42.137430] mt7915_dma_init+0x45c/0x7b0 [mt7915e]
[ 42.142395] mt7915_register_device+0x310/0x620 [mt7915e]
[ 42.147967] mt7915_mmio_probe+0xcec/0x1d44 [mt7915e]
[ 42.153192] platform_probe+0x64/0xbc
[ 42.157019] really_probe.part.0+0x98/0x2f4
[ 42.161367] __driver_probe_device+0x94/0x16c
[ 42.165887] driver_probe_device+0x40/0x120
[ 42.170234] __driver_attach+0x94/0x190
[ 42.174235] bus_for_each_dev+0x5c/0x94
[ 42.178235] driver_attach+0x20/0x30
[ 42.181974] bus_add_driver+0x104/0x1f4
[ 42.185974] driver_register+0x74/0x120
[ 42.189974] __platform_driver_register+0x24/0x30
[ 42.194842] init_module+0x74/0x1000 [mt7915e]
[ 42.199460] do_one_initcall+0x70/0x2cc
[ 42.203460] do_init_module+0x44/0x240
[ 42.207376] load_module+0x1f5c/0x2874
[ 42.211290] __do_sys_init_module+0x1d8/0x2ac
[ 42.215813] __arm64_sys_init_module+0x18/0x20
[ 42.220421] invoke_syscall.constprop.0+0x4c/0xe0
[ 42.225288] do_el0_svc+0x50/0xf0
[ 42.228768] el0_svc+0x4c/0xcc
[ 42.231989] el0t_64_sync_handler+0xe0/0x110
[ 42.236424] el0t_64_sync+0x15c/0x160
[ 42.240249]
[ 42.241730]
[ 42.241730] stack backtrace:
[ 42.246074] CPU: 1 PID: 2329 Comm: insmod Not tainted 5.15.127 #0
[ 42.252157] Hardware name: GainStrong Oolite-MT7981B V1 Dev Board (NAND boot) (DT)
[ 42.259712] Call trace:
[ 42.262147] dump_backtrace+0x0/0x174
[ 42.265802] show_stack+0x14/0x20
[ 42.269108] dump_stack_lvl+0x84/0xac
[ 42.272761] dump_stack+0x14/0x2c
[ 42.276066] print_irq_inversion_bug.part.0+0x1b0/0x1c4
[ 42.281285] mark_lock+0x8b8/0x8bc
[ 42.284678] __lock_acquire+0x718/0x1df0
[ 42.288592] lock_acquire+0xfc/0x2c0
[ 42.292158] _raw_spin_lock+0x60/0x74
[ 42.295811] mt76_get_rxwi+0x1c/0xac [mt76]
[ 42.300008] mt7915_debugfs_rx_log+0x804/0xb74 [mt7915e]
[ 42.305320] mtk_wed_start+0x970/0xaa0
[ 42.309059] mt7915_dma_start+0x26c/0x630 [mt7915e]
[ 42.313937] mt7915_dma_start+0x5a4/0x630 [mt7915e]
[ 42.318815] mt7915_dma_init+0x45c/0x7b0 [mt7915e]
[ 42.323606] mt7915_register_device+0x310/0x620 [mt7915e]
[ 42.329005] mt7915_mmio_probe+0xcec/0x1d44 [mt7915e]
[ 42.334056] platform_probe+0x64/0xbc
[ 42.337711] really_probe.part.0+0x98/0x2f4
[ 42.341885] __driver_probe_device+0x94/0x16c
[ 42.346232] driver_probe_device+0x40/0x120
[ 42.350407] __driver_attach+0x94/0x190
[ 42.354234] bus_for_each_dev+0x5c/0x94
[ 42.358061] driver_attach+0x20/0x30
[ 42.361627] bus_add_driver+0x104/0x1f4
[ 42.365454] driver_register+0x74/0x120
[ 42.369282] __platform_driver_register+0x24/0x30
[ 42.373977] init_module+0x74/0x1000 [mt7915e]
[ 42.378423] do_one_initcall+0x70/0x2cc
[ 42.382249] do_init_module+0x44/0x240
[ 42.385990] load_module+0x1f5c/0x2874
[ 42.389733] __do_sys_init_module+0x1d8/0x2ac
[ 42.394082] __arm64_sys_init_module+0x18/0x20
[ 42.398518] invoke_syscall.constprop.0+0x4c/0xe0
[ 42.403211] do_el0_svc+0x50/0xf0
[ 42.406517] el0_svc+0x4c/0xcc
[ 42.409565] el0t_64_sync_handler+0xe0/0x110
[ 42.413827] el0t_64_sync+0x15c/0x160
[ 42.674858] mt798x-wmac 18000000.wifi: HW/SW Version: 0x8a108a10, Build Time: 20221208201745a
[ 42.674858]
[ 42.692078] mt798x-wmac 18000000.wifi: WM Firmware Version: ____000000, Build Time: 20221208201806
[ 42.735606] mt798x-wmac 18000000.wifi: WA Firmware Version: DEV_000000, Build Time: 20221208202048
Tested-by: Daniel Golle <[email protected] [email protected] [email protected] [email protected] https://lore.kernel.org/r/ee80be41c2a8d8749d83c6950a272a5e77aadd45.1693228333.git.lorenzo@kernel.org
2023-09-19 21:48:30 +02:00
Dmitry Antipov and Felix Fietkau
01860c02c5
wifi: mt76: add DMA mapping error check in mt76_alloc_txwi()
...
Add 'dma_mapping_error()' check in 'mt76_alloc_txwi()'.
Signed-off-by: Dmitry Antipov <[email protected] [email protected]
2023-09-11 20:35:32 +02:00
Felix Fietkau
8d5ea32d48
wifi: mt76: remove unused error path in mt76_connac_tx_complete_skb
...
The error handling code was added in order to allow tx enqueue to fail after
calling .tx_prepare_skb. Since this can no longer happen, the error handling
code is unused.
Signed-off-by: Felix Fietkau <[email protected]
2023-09-11 15:15:19 +02:00
Bo Jiao and Felix Fietkau
d152c8688c
wifi: mt76: mt7915: disable WFDMA Tx/Rx during SER recovery
...
Stop WFDMA transaction to avoid potential unexpected issue while doing
system recovery.
Signed-off-by: Bo Jiao <[email protected] [email protected] [email protected]
2023-06-22 18:39:14 +02:00
Felix Fietkau
d63cb85c12
wifi: mt76: add missing locking to protect against concurrent rx/status calls
...
According to the documentation, ieee80211_rx_list must not run concurrently
with ieee80211_tx_status (or its variants).
Cc: [email protected] [email protected] [email protected]
2023-04-17 15:46:10 +02:00
Peter Chiu and Felix Fietkau
39079b5e44
wifi: mt76: drop the incorrect scatter and gather frame
...
The scatter and gather frame may be incorrect because WED and WO may
send frames to host driver interleaved.
Signed-off-by: Peter Chiu <[email protected] [email protected] [email protected]
2023-02-28 11:19:52 +01:00
Lorenzo Bianconi and Felix Fietkau
4b229d2da5
wifi: mt76: mt7915: add mt7915 wed reset callbacks
...
Introduce mt7915_mmio_wed_reset_complete and
mt7915_mmio_wed_reset_complete callbacks and the related wait
queues in order to wait for wed reset completion during wlan reset.
Tested-by: Daniel Golle <[email protected] [email protected] [email protected] [email protected] [email protected]
2023-02-02 11:03:57 +01:00
Sujuan Chen and Felix Fietkau
3dace36e29
wifi: mt76: dma: reset wed queues in mt76_dma_rx_reset
...
This is a preliminary patch to introduce proper wed reset support.
Tested-by: Daniel Golle <[email protected] [email protected] [email protected] [email protected] [email protected]
2023-02-02 11:03:57 +01:00
Sujuan Chen and Felix Fietkau
c67f57d2cd
wifi: mt76: dma: add reset to mt76_dma_wed_setup signature
...
Export mt76_dma_wed_setup routine. This is a preliminary patch to
introduce proper wed reset support.
Tested-by: Daniel Golle <[email protected] [email protected] [email protected] [email protected] [email protected]
2023-02-02 11:03:57 +01:00
Lorenzo Bianconi and Felix Fietkau
715b3ed970
net: ethernet: mtk_wed: add reset to tx_ring_setup callback
...
Introduce reset parameter to mtk_wed_tx_ring_setup signature.
This is a preliminary patch to add Wireless Ethernet Dispatcher reset
support.
Co-developed-by: Sujuan Chen <[email protected] [email protected] [email protected] [email protected]
2023-02-01 13:42:22 +01:00
Lorenzo Bianconi and Felix Fietkau
0cf0ede7cc
net: ethernet: mtk_wed: add reset to rx_ring_setup callback
...
This patch adds reset parameter to mtk_wed_rx_ring_setup signature
in order to align rx_ring_setup callback to tx_ring_setup one introduced
in 'commit 23dca7a90017 ("net: ethernet: mtk_wed: add reset to
tx_ring_setup callback")'
Co-developed-by: Sujuan Chen <[email protected] [email protected] [email protected] [email protected] https://lore.kernel.org/r/29c6e7a5469e784406cf3e2920351d1207713d05.1670239984.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <[email protected]
2023-02-01 13:39:17 +01:00
Sujuan Chen and Felix Fietkau
1af4a911eb
wifi: mt76: mt7915: release rxwi in mt7915_wed_release_rx_buf
...
Free rxwi cache releasing WED rx buffers in mt7915_wed_release_rx_buf
routine
Tested-by: Daniel Golle <[email protected] [email protected] [email protected] [email protected] [email protected]
2023-01-25 20:12:27 +01:00
Lorenzo Bianconi and Felix Fietkau
9686cd7cc6
wifi: mt76: switch to page_pool allocator
...
In order to reduce possible memory allocation failures due to memory
fragmentation caused by page_frag_cache allocator, switch to page_pool
allocator for dma and usb mt76 drivers.
Remove per rx-queue page_frag_cache
Co-developed-by: Felix Fietkau <[email protected] [email protected] [email protected] [email protected]
2023-01-25 20:11:29 +01:00
Lorenzo Bianconi and Felix Fietkau
0c750cf08f
wifi: mt76: dma: fix memory leak running mt76_dma_tx_cleanup
...
Fix device unregister memory leak and alway cleanup all configured
rx queues in mt76_dma_tx_cleanup routine.
Fixes: 52546e27787e ("wifi: mt76: add WED RX support to dma queue alloc")
Signed-off-by: Lorenzo Bianconi <[email protected] [email protected]
2023-01-23 10:32:49 +01:00
Lorenzo Bianconi and Felix Fietkau
683760461d
wifi: mt76: dma: free rx_head in mt76_dma_rx_cleanup
...
Free rx_head skb in mt76_dma_rx_cleanup routine in order to avoid
possible memory leak at module unload.
Signed-off-by: Lorenzo Bianconi <[email protected] [email protected]
2023-01-23 10:32:48 +01:00
Lorenzo Bianconi and Felix Fietkau
3c162384d8
wifi: mt76: introduce mt76_queue_is_wed_rx utility routine
...
This patch does not change any logic, just improve code readability.
Signed-off-by: Lorenzo Bianconi <[email protected] [email protected]
2023-01-23 10:32:48 +01:00
Felix Fietkau
6c256218e5
wifi: mt76: dma: use napi_build_skb
...
Improves performance by using bulk allocation
Signed-off-by: Felix Fietkau <[email protected]
2022-12-31 08:47:20 +01:00
Felix Fietkau
5b509e8038
wifi: mt76: dma: fix a regression in adding rx buffers
...
When adding WED support, mt76_dma_add_buf was accidentally changed to set
the skip_buf0 flag for tx buffers on the wrong queue descriptor entry.
Additionally, there is a rxwi leak when rx buffer allocation fails.
Fix this and make the code more readable by adding a separate function for
adding rx buffers.
Reported-by: Mikhail Gavrilov <[email protected] [email protected] [email protected]
2022-12-22 16:17:39 +01:00
Lorenzo Bianconi and Felix Fietkau
52d04463a6
wifi: mt76: dma: rely on queue page_frag_cache for wed rx queues
...
Since mt76_dma_rx_fill() acquires mt76_queue spinlock, rely on mt76_queue
page_frag_cache in mt76_dma_rx_fill() instead of wed rx_buf_ring
page_frag_cache. Get rid of mt76_dma_rx_get_frag_cache since it is no
longer used.
Signed-off-by: Lorenzo Bianconi <[email protected] [email protected]
2022-12-10 13:11:05 +01:00
Lorenzo Bianconi and Felix Fietkau
95c66d6511
wifi: mt76: handle possible mt76_rx_token_consume failures
...
Take into account possible error conditions of mt76_rx_token_consume
routine in mt7915_mmio_wed_init_rx_buf() and mt76_dma_add_buf()
Fixes: cd372b8c99c5 ("wifi: mt76: add WED RX support to mt76_dma_{add,get}_buf")
Fixes: 4f831d18d12d ("wifi: mt76: mt7915: enable WED RX support")
Signed-off-by: Lorenzo Bianconi <[email protected] [email protected]
2022-12-10 13:11:05 +01:00
Lorenzo Bianconi and Felix Fietkau
8e7e7e52fc
wifi: mt76: dma: do not increment queue head if mt76_dma_add_buf fails
...
Do not increment queue head if mt76_dma_add_buf fails for Wireless
Ethernet Dispatcher rx queues.
Fixes: cd372b8c99c5 ("wifi: mt76: add WED RX support to mt76_dma_{add,get}_buf")
Signed-off-by: Lorenzo Bianconi <[email protected] [email protected]
2022-12-10 13:11:05 +01:00
Felix Fietkau
ec46d7486a
sync with upstream
...
Signed-off-by: Felix Fietkau <[email protected]
2022-12-10 13:11:04 +01:00
Sujuan Chen and Felix Fietkau
1361519851
wifi: mt76: add info parameter to rx_skb signature
...
This is a preliminary patch to introduce WED RX support for mt7915.
Tested-by: Daniel Golle <[email protected] [email protected] [email protected] [email protected] [email protected]
2022-11-23 13:11:29 +01:00
Lorenzo Bianconi and Felix Fietkau
86e94f4162
wifi: mt76: add WED RX support to dma queue alloc
...
Introduce the capability to allocate WED RX buffers in
mt76_dma_wed_setup routine.
Tested-by: Daniel Golle <[email protected] [email protected] [email protected] [email protected] [email protected]
2022-11-23 13:11:29 +01:00
Lorenzo Bianconi and Felix Fietkau
13c2dc8993
wifi: mt76: add WED RX support to mt76_dma_rx_fill
...
Introduce the capability to refill WED RX buffers in mt76_dma_rx_fill
utility routine.
Tested-by: Daniel Golle <[email protected] [email protected] [email protected] [email protected] [email protected]
2022-11-23 13:11:29 +01:00
Lorenzo Bianconi and Felix Fietkau
629f8631f5
wifi: mt76: add WED RX support to mt76_dma_{add,get}_buf
...
Introduce the capability to configure RX WED in mt76_dma_{add,get}_buf
utility routines.
Tested-by: Daniel Golle <[email protected] [email protected] [email protected] [email protected] [email protected]
2022-11-23 13:11:29 +01:00
Sujuan Chen and Felix Fietkau
417cca39ba
wifi: mt76: introduce rxwi and rx token utility routines
...
This is a preliminary patch to introduce WED RX support for mt7915.
Tested-by: Daniel Golle <[email protected] [email protected] [email protected] [email protected] [email protected]
2022-11-23 13:11:29 +01:00
Felix Fietkau
269df4b01f
wifi: mt76: fix rx checksum offload on mt7615/mt7915/mt7921
...
Checking the relevant rxd bits for the checksum information only indicates
if the checksum verification was performed by the hardware and doesn't show
actual checksum errors. Checksum errors are indicated in the info field of
the DMA descriptor. Fix packets erroneously marked as CHECKSUM_UNNECESSARY
by checking the extra bits as well.
Those bits are only passed to the driver for MMIO devices at the moment, so
limit checksum offload to those.
Fixes: 2122dfbfd0bd ("mt76: mt7615: add rx checksum offload support")
Fixes: 94244d2ea503 ("mt76: mt7915: add rx checksum offload support")
Fixes: 0e75732764e8 ("mt76: mt7921: enable rx csum offload")
Signed-off-by: Felix Fietkau <[email protected]
2022-10-05 15:05:43 +02:00
Lorenzo Bianconi and Felix Fietkau
eb19ac83c0
mt76: introduce phys array in mt76_dev structure
...
Introduce phys array in mt76_dev structure to reference mt76_phy
supported by the chipset. This is a preliminary patch to introduce
newer chipset support.
Signed-off-by: Lorenzo Bianconi <[email protected]
2022-07-11 13:38:17 +02:00
Felix Fietkau
93e3fce916
mt76: pass original queue id from __mt76_tx_queue_skb to the driver
...
MT7615 and newer map multiple software tx queues to the hardware id
Signed-off-by: Felix Fietkau <[email protected]
2022-07-03 17:52:25 +02:00
Felix Fietkau
87a962e060
mt76: mt7915: add Wireless Ethernet Dispatch support
...
This is used to support hardware flow offloading from Ethernet to WLAN
Signed-off-by: Felix Fietkau <[email protected]
2022-04-07 11:56:24 +02:00
Felix Fietkau
e0bc736d56
mt76: add support for overriding the device used for DMA mapping
...
WED support requires using non-coherent DMA, whereas the PCI device might
be configured for coherent DMA.
The WED driver will take care of changing the PCI HIF coherent IO setting
on attach.
Signed-off-by: Felix Fietkau <[email protected]
2022-03-29 13:13:27 +02:00
Felix Fietkau
5beb87716e
mt76: dma: add wrapper macro for accessing queue registers
...
Preparation for adding indirection used for Wireless Ethernet Dispatch support
Signed-off-by: Felix Fietkau <[email protected]
2022-03-29 13:13:24 +02:00
Felix Fietkau
eed44048ca
Revert "mt76: dma: reduce lock contention in mt76_dma_tx_cleanup"
...
This reverts commit 2e51013b38
2022-03-29 13:09:02 +02:00
Felix Fietkau
2e51013b38
mt76: dma: reduce lock contention in mt76_dma_tx_cleanup
...
Instead of taking q->lock for every single cleaned up frame, batch up to
16 cleaned up frames before taking it.
Signed-off-by: Felix Fietkau <[email protected]
2022-03-19 23:24:57 +01:00
Felix Fietkau
0b1deb9292
mt76: dma: use kzalloc instead of devm_kzalloc for txwi
...
dma unmap is already needed for cleanup anyway, so we don't need the extra
tracking and can save a bit of memory here
Signed-off-by: Felix Fietkau <[email protected]
2022-03-19 23:10:29 +01:00
Lorenzo Bianconi and Felix Fietkau
ab9b807842
mt76: dma: initialize skip_unmap in mt76_dma_rx_fill
...
Even if it is only a false-positive since skip_buf0/skip_buf1 are only
used in mt76_dma_tx_cleanup_idx routine, initialize skip_unmap in
mt76_dma_rx_fill in order to fix the following UBSAN report:
[ 13.924906] UBSAN: invalid-load in linux-5.15.0/drivers/net/wireless/mediatek/mt76/dma.c:162:13
[ 13.924909] load of value 225 is not a valid value for type '_Bool'
[ 13.924912] CPU: 9 PID: 672 Comm: systemd-udevd Not tainted 5.15.0-18-generic #18-Ubuntu
[ 13.924914] Hardware name: LENOVO 21A0000CMX/21A0000CMX, BIOS R1MET43W (1.13 ) 11/05/2021
[ 13.924915] Call Trace:
[ 13.924917] <TASK>
[ 13.924920] show_stack+0x52/0x58
[ 13.924925] dump_stack_lvl+0x4a/0x5f
[ 13.924931] dump_stack+0x10/0x12
[ 13.924932] ubsan_epilogue+0x9/0x45
[ 13.924934] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[ 13.924935] ? __iommu_dma_map+0x84/0xf0
[ 13.924939] mt76_dma_add_buf.constprop.0.cold+0x23/0x85 [mt76]
[ 13.924949] mt76_dma_rx_fill.isra.0+0x102/0x1f0 [mt76]
[ 13.924954] mt76_dma_init+0xc9/0x150 [mt76]
[ 13.924959] ? mt7921_dma_enable+0x110/0x110 [mt7921e]
[ 13.924966] mt7921_dma_init+0x1e3/0x260 [mt7921e]
[ 13.924970] mt7921_register_device+0x29d/0x510 [mt7921e]
[ 13.924975] mt7921_pci_probe.part.0+0x17f/0x1b0 [mt7921e]
[ 13.924980] mt7921_pci_probe+0x43/0x60 [mt7921e]
[ 13.924984] local_pci_probe+0x4b/0x90
[ 13.924987] pci_device_probe+0x115/0x1f0
[ 13.924989] really_probe+0x21e/0x420
[ 13.924992] __driver_probe_device+0x115/0x190
[ 13.924994] driver_probe_device+0x23/0xc0
[ 13.924996] __driver_attach+0xbd/0x1d0
[ 13.924998] ? __device_attach_driver+0x110/0x110
[ 13.924999] bus_for_each_dev+0x7e/0xc0
[ 13.925001] driver_attach+0x1e/0x20
[ 13.925003] bus_add_driver+0x135/0x200
[ 13.925005] driver_register+0x95/0xf0
[ 13.925008] ? 0xffffffffc0766000
[ 13.925010] __pci_register_driver+0x68/0x70
[ 13.925011] mt7921_pci_driver_init+0x23/0x1000 [mt7921e]
[ 13.925015] do_one_initcall+0x48/0x1d0
[ 13.925019] ? kmem_cache_alloc_trace+0x19e/0x2e0
[ 13.925022] do_init_module+0x62/0x280
[ 13.925025] load_module+0xac9/0xbb0
[ 13.925027] __do_sys_finit_module+0xbf/0x120
[ 13.925029] __x64_sys_finit_module+0x18/0x20
[ 13.925030] do_syscall_64+0x5c/0xc0
[ 13.925033] ? do_syscall_64+0x69/0xc0
[ 13.925034] ? sysvec_reschedule_ipi+0x78/0xe0
[ 13.925036] ? asm_sysvec_reschedule_ipi+0xa/0x20
[ 13.925039] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 13.925040] RIP: 0033:0x7fbf2b90f94d
[ 13.925045] RSP: 002b:00007ffe2ec7e5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 13.925047] RAX: ffffffffffffffda RBX: 000056106b0634e0 RCX: 00007fbf2b90f94d
[ 13.925048] RDX: 0000000000000000 RSI: 00007fbf2baa3441 RDI: 0000000000000013
[ 13.925049] RBP: 0000000000020000 R08: 0000000000000000 R09: 0000000000000002
[ 13.925050] R10: 0000000000000013 R11: 0000000000000246 R12: 00007fbf2baa3441
[ 13.925051] R13: 000056106b062620 R14: 000056106b0610c0 R15: 000056106b0640d0
[ 13.925053] </TASK>
Signed-off-by: Lorenzo Bianconi <[email protected] [email protected]
2022-02-03 15:15:07 +01:00
Bo Jiao and Felix Fietkau
de49cf43ef
mt76: add MT_RXQ_MAIN_WA for mt7916
...
mt7916 add MT_RXQ_MAIN_WA to receive tx free event separately
This is an intermediate patch to add mt7916 support.
Co-developed-by: Sujuan Chen <[email protected] [email protected] [email protected] [email protected] [email protected] [email protected]
2021-12-20 10:57:00 +01:00
