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Author SHA1 Message Date
Felix Fietkau 5a5b396e6e mt76: throttle transmission of buffered multicast packets 
Avoids drowning out regular transmissions

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-29 13:14:40 +01:00
Felix Fietkau 44bb37288c mt7603: fix CAB queue flush mask 
Only flush queues belonging to hardware BSS 0 (and sub interfaces)

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-28 22:29:23 +01:00
Felix Fietkau d22feb00e9 mt7603: move cab queue enabling to pre-tbtt tasklet 
It is not necessary to time the start of the queue in software, the hardware
already does that for us.
Move all processing into the pre-tbtt tasklet to get rid of a race condition
that could happen when the pre-tbtt tasklet takes too long

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-28 22:15:31 +01:00
Felix Fietkau 6ac9653037 mt7603: fix CAB queue limits 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-28 21:22:42 +01:00
Felix Fietkau 3ecb7f8974 mt7603: fix hardware queue assignment 
The queues are ordered by priority. BK needs to be the first queue,
followed by BE

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-28 21:11:05 +01:00
Felix Fietkau cd456ca87f mt7603: disable broken support for WEP hardware encryption 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-28 15:03:26 +01:00
Felix Fietkau 2a136cb2fd mt7603: fix TKIP key setup 
Rx and Tx MIC keys are swapped compared to the order provided by mac80211

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-28 14:55:27 +01:00
Felix Fietkau c3efb5d899 mt7603: add support for detecting MT7688 and single stream devices 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-28 14:34:05 +01:00
Felix Fietkau 00e03b990f mt7603: fix MT_WF_PHY_CR_RXTD_BASE definition 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-28 14:19:03 +01:00
Felix Fietkau 4063ae1ecb mt7603: check for PSE hang / stuck beacon first 
Ensure that PSE reset is issued when necessary

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-28 13:55:37 +01:00
Felix Fietkau 31cd20eb6a mt7603: issue PSE reset on stuck beacon 
Improves reliability of recovery

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-28 13:54:47 +01:00
Felix Fietkau 5fb60a7d7a mt7603: fix aggregation size handling 
Do not step over the 32 subframe limit.
Fix staying under the limit

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-21 19:04:19 +01:00
Felix Fietkau da666a74a6 mt7603: issue PSE reset if firmware debug register indicates stuck queues 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-21 15:10:31 +01:00
Felix Fietkau b38fe7d531 mt7603: only issue PSE reset on PSE stuck 
The reset can take quite a bit of time, so only issue it when necessary

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-21 15:04:47 +01:00
Felix Fietkau 94cebfc31a mt7603: fix handling lost interrupt events during watchdog reset 
Schedule tx tasklet and rx napi poll after reset to ensure that processing
of DMA queues resumes

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-21 15:00:15 +01:00
Felix Fietkau a301decead mt7603: add back PSE client reset code 
Should help with MT7628 reliability

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-21 13:52:04 +01:00
Felix Fietkau b3f82a33c0 mt7603: report PSE reset failures via debugfs 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-21 13:18:28 +01:00
Felix Fietkau 9428e34d1f mt7603: fix watchdog reset sequence 
- issue PSE reset first
- skip DMA reset if PSE reset failed
- schedule tx after reset has completed

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-21 13:08:16 +01:00
Felix Fietkau 4734108318 mt7603: use mt7603_wtbl_clear on station removal 
It removes more stale data from the WTBL

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-21 12:59:13 +01:00
Felix Fietkau c09e8a489f mt7603: fix buffering of tx packets for powersave clients 
Use PSE registers to loop back any pending tx packets for a client that
just went to sleep back into the MCU rx queue.
Re-queue those packets to the tx queue immediately after a client wakes up.

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-20 16:18:22 +01:00
Felix Fietkau 82363abeaf mt7603: move tx status to rx queue 0 
This makes it easier to loop powersave-filtered packets through the MCU queue
without involving the firmware

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-20 16:18:22 +01:00
Felix Fietkau b44d793e25 mt7603: clear PSE redirections before MCU init 
Ensure that stale data from a previous run is cleaned up

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-20 16:18:01 +01:00
Felix Fietkau ca2c875ae6 mt7603: add support for accessing remapped registers via ops 
Add wrappers for existing register ops

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-20 12:15:32 +01:00
Felix Fietkau 7c4c33c41e mt7603: skip efuse tx power data for mt7628 
Sync with vendor driver behavior

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-20 12:15:32 +01:00
Felix Fietkau 84aa12a4e1 mt76: fix potential null pointer deref in mt76_sta_add 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-17 18:22:33 +01:00
Lorenzo BianconiandFelix Fietkau fa7335bbe3 mt76: fix potential NULL pointer dereference in mt76_stop_tx_queues 
Starting from mac80211 commit adf8ed01e4fd ("mac80211: add an optional
TXQ for other PS-buffered frames") and commit 0eeb2b674f05 ("mac80211:
add an option for station management TXQ") a new per-sta queue has been
introduced for bufferable management frames.
sta->txq[IEEE80211_NUM_TIDS] is initialized just if the driver reports
the following hw flags:
- IEEE80211_HW_STA_MMPDU_TXQ
- IEEE80211_HW_BUFF_MMPDU_TXQ
This can produce a NULL pointer dereference in mt76_stop_tx_queues
since mt76 iterates on all available sta tx queues assuming they are
initialized by mac80211. This issue has been spotted analyzing the code
(it has not triggered any crash yet)

Signed-off-by: Lorenzo Bianconi <[email protected]>
 2018-11-17 18:15:00 +01:00
Felix Fietkau 42c5281187 mt7603: fix maximum frame size in scheduler init 
Since hardware A-MSDU decap is disabled, use maximum A-MSDU size
as maximum packet size

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-17 17:56:07 +01:00
Felix Fietkau d22799b2c3 mt7603: reduce reserved pages for beacons 
Only 4 interfaces are supported anyway

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-17 17:56:07 +01:00
Felix Fietkau 749d5c3d2c mt7603: fix reserved page handling for mt7628 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-17 17:56:07 +01:00
Felix Fietkau 3873e827ed mt7603: fix MT_BMAP_0/MT_GROUP_THD_0 register initializion for mt7628 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-17 17:34:19 +01:00
Felix Fietkau 471d397e06 mt7603: fix priority for buffered multicast packets 
Ensure that they are transmitted immediately after the beacon

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-17 15:41:32 +01:00
Lorenzo BianconiandFelix Fietkau 96b3b3d60d mt76x2u: main: fix typo setting sta_state mac80211 callback 
Signed-off-by: Lorenzo Bianconi <[email protected]>
 2018-11-16 13:33:14 +01:00
Felix Fietkau d0fdf01a95 mt7603: avoid unnecessary wtbl writes for ps-filter 
Only clear the skip_tx flag if powersave mode is enabled

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-16 12:41:17 +01:00
Felix Fietkau 41931e43ab mt7603: toggle skip_tx on station add/remove 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-16 12:33:17 +01:00
Felix Fietkau 90e2c1b616 mt7603: add mt7603_wtbl_set_skip_tx, change mt7603_wtbl_set_ps users 
Avoids unnecessary toggling of the MT_WTBL1_OR_PSM_WRITE flag

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-16 12:28:30 +01:00
Felix Fietkau 13f1e82f6f mt7603: clear wtbl entry for removed stations 
Should fix some issues with reassociating stations

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-16 12:09:52 +01:00
Felix Fietkau a97127b1b3 mt76: replace sta_add/remove ops with common sta_state function 
Allows adding unassociated stations from mac80211

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-16 12:09:52 +01:00
Felix Fietkau 7b1373e7e2 mt76: mt76x02: remove mt76x02_txq_init 
Open-coding it simplifies the code

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-16 12:09:52 +01:00
Felix Fietkau e65ad4c5db mt7603: make group_wcid the first member in struct mt7603_vif 
Allows mt76 core to cast vif->drv_priv to struct mt76_wcid

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-16 12:09:52 +01:00
Felix Fietkau d7788cc661 mt76: mt76x02: make group_wcid the first member in struct mt76x02_vif 
Allows mt76 core to cast vif->drv_priv to struct mt76_wcid

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-16 12:09:52 +01:00
Felix Fietkau 963768d38f mt76x02: fix regression in tx station race condition fix 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-16 12:09:52 +01:00
Felix Fietkau 009ab9179e mt76: clean up more unused EXPORT_SYMBOLs 
Make functions static where possible

Signed-off-by: Felix Fietkau <[email protected]>
 2018-11-16 12:09:52 +01:00
Stanislaw GruszkaandFelix Fietkau 88f68838d9 mt76: remove wait argument from mt76x02_mcu_calibrate 
We always wait for CMD_CALIBRATION_OP mcu message, but wait argument is used
for do additional MT_MCU_COM_REG0 register operations, which are needed
for mt76x2e devices and we can use appropriate check instead of wait argument.

Signed-off-by: Stanislaw Gruszka <[email protected]>
 2018-11-13 20:56:41 +01:00
Lorenzo BianconiandFelix Fietkau 3fc95d7464 mt76x2u: init: remove mt76x2u_init_beacon_offsets routine 
Remove mt76x2u_init_beacon_offsets routine since the driver supports
just STA mode

Signed-off-by: Lorenzo Bianconi <[email protected]>
 2018-11-13 20:56:41 +01:00
Lorenzo BianconiandFelix Fietkau 9fe0fe8594 mt76x2u: main: use mt76x02_bss_info_changed utility routine 
Initialize bss_info_changed mac80211 callback to
mt76x02_bss_info_changed utility routine and remove duplicated code.
Use 8 as WCID index for sta interface

Signed-off-by: Lorenzo Bianconi <[email protected]>
 2018-11-13 20:56:41 +01:00
Lorenzo BianconiandFelix Fietkau c1d67b47d4 mt76x2u: phy: run phy_channel_calibrate after channel switch 
Perform channel calibration after each channel switch and not only after
connection establishment since NetworkManager perform multiple frequency
scanning if RSSI in lower a given threshold

Signed-off-by: Lorenzo Bianconi <[email protected]>
 2018-11-13 20:56:41 +01:00
Lorenzo BianconiandFelix Fietkau f75efd81f8 mt76x2u: phy: add TX_SHAPING calibration 
Add MCU_CAL_TX_SHAPING calibration in mt76x2u_phy_channel_calibrate
routine since now mt76x2 and mt76x2u driver run the same firmware

Signed-off-by: Lorenzo Bianconi <[email protected]>
 2018-11-13 20:56:41 +01:00
Lorenzo BianconiandFelix Fietkau 4248446224 mt76x0: pci: enable VHT rates in IBSS mode 
Enable VHT tx rates in ad-hoc mode for mt76x0e driver.

Signed-off-by: Lorenzo Bianconi <[email protected]>
 2018-11-13 20:56:41 +01:00
Lorenzo BianconiandFelix Fietkau 0bfa98eb08 mt76: introduce mt76x02_config_mac_addr_list routine 
Add mt76x02_config_mac_addr_list routine in order to set
the mac address list supported by the driver. Initialize
wiphy->addresses/n_addresses for mt76x0e driver

Signed-off-by: Lorenzo Bianconi <[email protected]>
 2018-11-13 20:56:41 +01:00
Lorenzo BianconiandFelix Fietkau df5c797b21 mt76: fix uninitialized mutex access setting rts threshold 
Fix following crash due to a leftover uninitialized mutex access
in mt76x2_set_rts_threshold routine.

[   31.018059] Call Trace:
[   31.018341]  register_lock_class+0x51f/0x530
[   31.018828]  __lock_acquire+0x6c/0x1580
[   31.019247]  lock_acquire+0x88/0x120
[   31.021089]  __mutex_lock+0x4a/0x4f0
[   31.023343]  mt76x2_set_rts_threshold+0x28/0x50
[   31.023831]  ieee80211_set_wiphy_params+0x16d/0x4e0
[   31.024344]  nl80211_set_wiphy+0x72b/0xbc0
[   31.024781]  genl_family_rcv_msg+0x192/0x3a0
[   31.025233]  genl_rcv_msg+0x42/0x89
[   31.026079]  netlink_rcv_skb+0x38/0x100
[   31.026475]  genl_rcv+0x1f/0x30
[   31.026804]  netlink_unicast+0x19c/0x250
[   31.027212]  netlink_sendmsg+0x1ed/0x390
[   31.027615]  sock_sendmsg+0x31/0x40
[   31.027973]  ___sys_sendmsg+0x23c/0x280
[   31.030414]  __sys_sendmsg+0x42/0x80
[   31.030783]  do_syscall_64+0x4a/0x170
[   31.031160]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   31.031677] RIP: 0033:0x7f3498b39ba7
[   31.033953] RSP: 002b:00007fffe19675b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.034883] RAX: ffffffffffffffda RBX: 00000000012d5350 RCX: 00007f3498b39ba7
[   31.035756] RDX: 0000000000000000 RSI: 00007fffe19675f0 RDI: 0000000000000003
[   31.036587] RBP: 00000000012da740 R08: 0000000000000002 R09: 0000000000000000
[   31.037422] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000012da880
[   31.038252] R13: 00007fffe19675f0 R14: 00007fffe19678c0 R15: 00000000012da880

Fixes: 108a4861ef19 ("mt76: create new mt76x02-lib module for common
mt76x{0,2} code")
Reported-by: [email protected]
Reported-by: [email protected]
Signed-off-by: Lorenzo Bianconi <[email protected]>
 2018-11-13 20:56:18 +01:00