Commit Graph
22 Commits
Author SHA1 Message Date
Felix Fietkau c71f609b39 mt76: sync with upstream changes
Signed-off-by: Felix Fietkau <[email protected]>
2021-04-14 09:12:11 +02:00
Lorenzo BianconiandFelix Fietkau 93b5c28c97 mt76: mt7921: add rcu section in mt7921_mcu_tx_rate_report
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 <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-04-13 10:08:50 +02:00
Lorenzo BianconiandFelix Fietkau 186af01047 mt76: mt7921: introduce MCU_EVENT_LP_INFO event parsing
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 <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-04-13 10:06:58 +02:00
Sean WangandFelix Fietkau 97189d2a04 mt76: mt7921: fix the insmod hangs
Fix the second insert module causing the device hangs after remove module.

Fixes: 1c099ab44727 ("mt76: mt7921: add MCU support")
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-04-07 10:55:33 +02:00
Sean WangandFelix Fietkau cf0badbc04 mt76: mt7921: fix inappropriate WoW setup with the missing ARP informaiton
Fix the Wake-on-WoWLAN failure should rely on ARP Information is being
updated in time to the firmware.

Fixes: ffa1bf97425b ("mt76: mt7921: introduce PM support")
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-04-07 10:55:33 +02:00
Lorenzo BianconiandFelix Fietkau 6ee4770de0 mt76: mt7921: rework mt7921_mcu_debug_msg_event routine
Rework mt7921_mcu_debug_msg_event routing removing unnecessary
assignments and relying on wiphy_info

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-04-04 10:37:33 +02:00
Lorenzo BianconiandFelix Fietkau e0708e296e mt76: mt7921: add wifi reset support
Introduce wifi chip reset support for mt7921 device to recover mcu
hangs.

Co-developed-by: Sean Wang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-03-14 23:39:22 +01:00
Lorenzo BianconiandFelix Fietkau 9af9622df5 mt76: mt7921: introduce mt7921_run_firmware utility routine.
This is a preliminary patch to introduce chip reset for mt7921 devices.

Co-developed-by: Sean Wang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-03-14 23:39:22 +01:00
Lorenzo BianconiandFelix Fietkau 6e2b9d2583 mt76: mt7921: reduce mcu timeouts for suspend, offload and hif_ctrl msg
Reduce mcu timeout for the following uni mcu commands:
- MCU_UNI_CMD_SUSPEND
- MCU_UNI_CMD_OFFLOAD
- MCU_UNI_CMD_HIF_CTRL

This is a preliminary patch to introduce chip reset support

Co-developed-by: Sean Wang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-03-14 23:39:22 +01:00
Sean WangandFelix Fietkau 96b4c9874e mt76: mt7921: fix uninitialized pointer access in mt7921_get_wtbl_info
fix possible uninitialized pointer access in mt7921_get_wtbl_info
routine

[  270.073205] wlp1s0: deauthenticating from 9c:5c:8e:c9:93:14 by local choice (Reason: 3=DEAUTH_LEAVING)
[  270.094918] 8<--- cut here ---
[  270.097988] Unable to handle kernel NULL pointer dereference at virtual address 0000000a
[  270.106120] pgd = 7ac68838
[  270.108842] [0000000a] *pgd=00000000
[  270.112426] Internal error: Oops: 805 [#1] SMP ARM
[  270.117216] Modules linked in: mt7921e mt76_connac_lib mt76
[  270.122803] CPU: 0 PID: 7 Comm: kworker/u8:0 Tainted: G        W         5.11.0-rc2+ #67
[  270.130891] Hardware name: Mediatek Cortex-A7 (Device Tree)
[  270.136459] Workqueue: phy0 mt7921_mac_work [mt7921e]
[  270.141557] PC is at mt7921_get_wtbl_info+0x224/0x2d8 [mt7921e]
[  270.147498] LR is at 0x0
[  270.150026] pc : [<bf030398>]    lr : [<00000000>]    psr: 60000013

...

[  270.317696] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  270.325869] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[  270.334043] [<bf030398>] (mt7921_get_wtbl_info [mt7921e]) from [<bf02ea9c>] (mt7921_mac_work+0x298/0x2c0 [mt7921e])
[  270.344529] [<bf02ea9c>] (mt7921_mac_work [mt7921e]) from [<c013cde8>] (process_one_work+0x1f0/0x538)
[  270.353780] [<c013cde8>] (process_one_work) from [<c013d17c>] (worker_thread+0x4c/0x55c)
[  270.361874] [<c013d17c>] (worker_thread) from [<c01447a8>] (kthread+0x124/0x150)
[  270.369275] [<c01447a8>] (kthread) from [<c0100150>] (ret_from_fork+0x14/0x24)
[  270.376501] Exception stack(0xc19c7fb0 to 0xc19c7ff8)
[  270.381550] 7fa0:                                     00000000 00000000 00000000 00000000
[  270.389724] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  270.397896] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[  270.404509] Code: e59de012 e1cdc1b6 e1cdc1b8 e59dc016 (e582e00a)

Fixes: 1c099ab44727c ("mt76: mt7921: add MCU support")
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-02-14 12:25:14 +01:00
Sean WangandFelix Fietkau b5228e75e4 mt76: mt7921: switch to new api for hardware beacon filter
Current firmware only supports new api for enabling hardware beacon filter.

Fixes: 1d8efc741df80 ("mt76: mt7921: introduce Runtime PM support")
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-02-14 12:25:14 +01:00
Sean WangandFelix Fietkau 5f4f6792fb mt76: mt7921: add coredump support
Introduce coredump support to mt7921 driver.

The coredump would be produced when MCU met the fatal error or driver
sent out the specific cmd to force trigger it.

Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-01-29 18:18:44 +01:00
Sean WangandFelix Fietkau f8d1ec5e6e mt76: mt7921: introduce Runtime PM support
Introduce runtime PM to mt7921 driver

Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-01-29 18:18:44 +01:00
Lorenzo BianconiandFelix Fietkau 1ccf6a9c60 mt76: mt7921: rely on mt76_connac_mcu module for suspend and WoW support
Rely on mt76_connac_mcu module for suspend and WoW support and remove
duplicated code

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-01-29 18:18:44 +01:00
Lorenzo BianconiandFelix Fietkau 59e682497d mt76: mt7921: rely on mt76_connac_mcu module for sched_scan and hw_scan
Rely on mt76_connac_mcu module for sched_scan and hw_scan and remove
duplicated code

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-01-29 18:18:44 +01:00
Lorenzo BianconiandFelix Fietkau 2beb9c9530 mt76: mt7921: rely on mt76_connac_mcu common library
Rely on mt76_connac_mcu common library and remove duplicated code

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-01-29 18:18:44 +01:00
Sean WangandFelix Fietkau 71f9f09ee9 mt76: mt7921: introduce PM support
Introduce suspend/resume and WoW (Wake-on-WoWLAN) support to mt7921
driver to allow remote wakeu-up from the suspend state.

Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Co-developed-by: Soul Huang <[email protected]>
Signed-off-by: Soul Huang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-01-29 18:18:44 +01:00
Sean WangandFelix Fietkau cb99bf4655 mt76: mt7921: introduce beacon_loss mcu event
If device has enabled beacon hw filter rx beacons are not reported to
the host. Introduce beacon_loss mcu event to trigger mac80211 mlme
connection state machine in this configuration.
IEEE80211_VIF_BEACON_FILTER has not set in vif flags since hw beacon
filter is not enabled yet

Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Co-developed-by: Soul Huang <[email protected]>
Signed-off-by: Soul Huang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-01-29 18:18:44 +01:00
Sean WangandFelix Fietkau e67d5216f1 mt76: mt7921: introduce support for hardware beacon filter
Introduce support for hw beacon filter available in the mt7921 firmware.

According to mt7921e firmware, enabling hardware filter would rely on
mt7921_mcu_uni_bss_bcnft and disabling hardware filter still rely on legacy
mt7921_mcu_set_bss_pm.

Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Co-developed-by: Soul Huang <[email protected]>
Signed-off-by: Soul Huang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-01-29 18:18:44 +01:00
Sean WangandFelix Fietkau 5aa798ee56 mt76: mt7921: introduce 802.11 PS support in sta mode
Enable 802.11 power-save support available in mt7921 firmware

Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Co-developed-by: Soul Huang <[email protected]>
Signed-off-by: Soul Huang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-01-29 18:18:44 +01:00
Sean WangandFelix Fietkau b16cf6e269 mt76: mt7921: introduce schedule scan support
introduce schedule scan to control mt7921 firmware to do background scan in
defined plan to see if the matched SSID is available.

Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Co-developed-by: Soul Huang <[email protected]>
Signed-off-by: Soul Huang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-01-29 18:18:44 +01:00
Sean WangandFelix Fietkau 8ecf3a50e7 mt76: mt7921: add MCU support
MT7921 contains a microprocessor with which the host can use command/event
to communicate to implement offload features such as establish connection,
hardware scan and so on. The host has to download the ROM patch, RAM
firmware and finally activate the MCU to complete the MT7921
initialization.

Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Co-developed-by: Soul Huang <[email protected]>
Signed-off-by: Soul Huang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2021-01-29 18:18:44 +01:00