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Felix Fietkau 05bfc1ae7f mt76: add missing VHT maximum A-MPDU length capability 
Signficantly improves throughput with some clients

Signed-off-by: Felix Fietkau <[email protected]>
 2018-02-27 08:39:30 +01:00
Felix Fietkau eba6b2a327 mt76x2: rework tx power handling 
There were a number of issues in the existing tx power handling code:

1. The EEPROM target power for chain 0 refers to the actual output power
after the channel and bandwidth delta have been added to the initial
channel gain. This means the delta values should not be added/subtracted
for the rate power calculation

2. When power is reduced significantly, the initial channel gain
underflows very quickly, while the per-rate power offsets are high.
This miscalculation causes effective tx power to be increased when it
should actually be lowered.

Fix this by trying to adjust the channel gain to the lowest power from
the rate table. In case of under- or overflow, compensate by adding an
appropriate delta to the rate power values.

This makes power configuration more accurate on a wider range of
configurable values

Signed-off-by: Felix Fietkau <[email protected]>
 2018-02-24 10:24:26 +01:00
Felix Fietkau 8fd8b05cba mt76: stop tx queues from the driver callback instead of common code 
Allows the driver to control whether to send a BlockAckReq after waking
up. MT76x2 needs this set to true, for MT7603 it needs to be false

Signed-off-by: Felix Fietkau <[email protected]>
 2018-02-09 16:05:51 +01:00
Felix Fietkau e478ef24a5 mt76: toggle driver station powersave bit before notifying mac80211 
Avoids race conditions from mac80211 enqueueing tx packets before the
tx-drop bit is cleared

Signed-off-by: Felix Fietkau <[email protected]>
 2018-02-09 16:05:51 +01:00
Felix Fietkau f56a62f3f9 mt7603: avoid reordering qos-null data packets 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-02-09 16:05:51 +01:00
Felix Fietkau 2a32a4a8f8 mt76: check qos ack policy before reordering packets 
Do not attempt to reorder packets not part of a BA session

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:35:37 +01:00
Felix Fietkau bfda6a2984 mt76x2: do not set status->aggr for NULL data frames 
Avoids data connection stalls when the client toggles powersave mode

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:35:37 +01:00
Felix Fietkau 6b70c25c18 mt76: avoid re-queueing A-MPDU rx reorder work if no frames are pending 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:35:37 +01:00
Felix Fietkau 20777f199b mt76: implement processing of BlockAckReq frames 
Avoids timeouts on reordered A-MPDU rx frames

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:35:37 +01:00
Felix Fietkau afa61bcd61 mt76: implement AP_LINK_PS 
With software A-MPDU reordering in place, frames that notify mac80211 of
powersave changes are reordered as well, which can cause connection
stalls. Fix this by implementing powersave state processing in the
driver.

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:35:36 +01:00
Felix Fietkau c35933bc96 mt7603: fix rx LDPC reporting 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:35:36 +01:00
Felix Fietkau 2e7332f4b0 mt7603: fix 40 mhz channel bandwidth reporting 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:35:36 +01:00
Felix Fietkau 69c07bce67 mt76: let mac80211 validate CCMP PN for fragmented frames 
The rules for those are more complex and performance is not an issue
here

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:34:04 +01:00
Felix Fietkau 2b5ea6f4e7 mt76: validate rx CCMP PN 
Apparently hardware does not perform CCMP PN validation in hardware, so
we need to take care of this in the driver.

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:34:03 +01:00
Felix Fietkau bd7f6e167e mt76: pass the per-vif wcid to the core for multicast rx 
Preparation for adding software rx CCMP PN validation

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:33:41 +01:00
Felix Fietkau e436824261 mt76: split mt76_rx_complete 
Add a separate function for processing frames after A-MPDU reordering,
reduce code duplication

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:33:41 +01:00
Felix Fietkau f0a63aeba0 mt76: implement A-MPDU rx reordering in the driver code 
This is required for performing CCMP PN validation in software

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:33:40 +01:00
Felix Fietkau 3a3a799042 mt76: get station pointer by wcid and pass it to mac80211 
Avoids the rhashtable lookup based on the MAC address inside mac80211

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:33:11 +01:00
Felix Fietkau 2cda0ad31f mt76: add an intermediate struct for rx status information 
Preparation for passing in more internal rx data via skb->cb

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:32:53 +01:00
Felix Fietkau 380a56b74c mt76x2: fix TSF value in probe responses 
Like beacons, probe responses need a hardware-generated TSF value. Set
the flag that causes the hw to generate it

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:23:03 +01:00
Felix Fietkau 8d9cdd96ca mt76: retry rx polling as long as there is budget left 
Sending frames to mac80211 needs time, which could allow for more rx
packets to end up in the DMA ring. Retry polling until there are no more
frames left. Improves rx latency under load.

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:23:03 +01:00
Felix Fietkau 808c1c571a mt76x2: add functions for setting extended MAC address registers 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:23:03 +01:00
Felix Fietkau d225fa72b8 mt7603: fix configuration for HT40 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:23:03 +01:00
Felix Fietkau 4a11cc1256 mt7603: configure other-unicast drop based on monitor mode setting 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:23:03 +01:00
Felix Fietkau a3dbfdbc8c mt76x2: configure rx filter based on monitor mode setting 
Due to an unrelated issue, the MT_RX_FILTR_CFG_PROMISC flag is currently
unset, which means that monitor mode is unconditionally enabled.
Toggle this flag based on the mac80211 monitor mode setting instead

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:23:03 +01:00
Felix Fietkau 91cc0d4734 Partially revert "mt7603: use mcu command to set timing registers, fix OFDM timeout values" 
This reverts commit 268467b9a4.
It is unnecessary to go through the MCU for this.

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:23:03 +01:00
Felix Fietkau af68a59c5f mt7603: update firmware to version 20160107100755 
Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-30 10:23:03 +01:00
Felix Fietkau e326bc2ac4 mt7603: remove some harmless WARN_ONs in rx path 
Discard affected packets instead. Should reduce the frequency of bogus
bug reports

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 86ddef3b21 mt76x2: remove some harmless WARN_ONs in tx status and rx path 
Discard affected packets instead. Should reduce the frequency of bogus
bug reports

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 7dd2a9e771 mt7603: initialize wtbl ps flag on station add 
Ensure that the firmware hasn't changed anything

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 123acf2461 mt7603: set tx-skip flag for powersave clients 
Helps flush out frames faster

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau dc7a351279 mt7603: clear wtbl PS bit for powersave responses 
Avoids filtering frames that are supposed to be sent

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 41e6a04837 mt7603: make mt7603_mac_watchdog_reset() static 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 7dc8db1362 mt7603: clean up dma debug reads 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 4ed7e07cd8 mt7603: warn if PSE reset fails 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 30750599f0 mt7603: simplify PSE reset 
Skip PSE client reset, it is done by the firmware already

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 4490f93669 mt7603: remove WARN_ON_ONCE for workaround checks 
It can happen during normal operation and it confuses users more than it
actually helps. workaround trigger counts are still available via
debugfs

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau c86c3a0f5c mt7603: remove watchdog reset on interface stop 
It can be harmful in some cases

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau ea4c2a165a mt7603: rename MT_PSE_RESET register 
It is actually a dummy control register used for communicating reset
state with the MCU firmware

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau e7eaa7c09b mt7603: rename mt7603_mac_reset to mt7603_pse_reset 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau c2bd89ee91 mt76x2: convert between per-chain tx power and combined output 
Using both chains adds max. 3 dBm.

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 58364a2ac4 mt76x2: initialize channel power limits 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 1acde21849 mt76x2: add channel argument to eeprom tx power functions 
Preparation for exposing maximum power to mac80211

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 0532315f76 mt76x2: increase OFDM SIFS time 
Fixes throughput issues in combination with LDPC

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 2c1a77c74f mt76x2: fix transmission of encrypted management frames 
Hardware encryption seems to break encrypted unicast mgmt tx.
Unfortunately the hardware TXWI header does not have a bit to indicate
that a frame is software encrypted, so sw-encrypted frames need to use a
different WCID. For that to work, the CCMP PN needs to be generated in
software, which makes things a bit slower, so only do it for keys that
also need to tx management frames.

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 82acc859fb mt7603: add missing include required on newer kernels 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 8c821aa63f mac80211: add missing include 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 21:45:43 +01:00
Felix Fietkau 0a0d16f817 mt76x2: sync tx power related values with reference driver 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:46 +01:00
Felix Fietkau 4bc9aa9da7 mt76x2: add more gain tuning based on the latest reference driver 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:46 +01:00
Felix Fietkau 60a4d67ca9 mt76x2: implement dynamic AGC tuning based on false packet detection count 
Significantly improves radio performance

Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:46 +01:00
Felix Fietkau cc588c5e32 mt76x2: sync channel gain value with latest reference driver 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:46 +01:00
Felix Fietkau fe7981687d mt76x2: fix LNA gain register annotation 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:45 +01:00
Felix Fietkau 73902dc8a7 mt76x2: add rx statistics registers 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:45 +01:00
Felix Fietkau 7dfb354d3b mt76: increase rx ring size for mt76x2 
Should improve performance under load

Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:45 +01:00
Felix Fietkau 941555ba89 mt76x2: clear drop mask when sending a PS response 
Should make handling powersave clients more reliable

Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:45 +01:00
Felix Fietkau 3e5afe7ba8 mt76x2: add helper function for setting drop mask 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:45 +01:00
Felix Fietkau 0dd8b688b2 mt76x2: clear per-WCID tx rate lookup register 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:45 +01:00
Felix Fietkau f9d9c22491 mt76x2: clear drop flag for all WCIDs on init 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:45 +01:00
Felix Fietkau 8f1673a34b mt76x2: limit client WCID entries to 0-127 
The rx WCID lookup table and the per-WCID rate table only have 128
entries. All further WCID entries are tx-only.

Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:45 +01:00
Felix Fietkau 8e453b32e3 mac80211: move DT led configuration to the "led" child node 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:45 +01:00
Felix Fietkau f5498d2aeb debugfs: add support for changing the LED pin 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:45 +01:00
Felix Fietkau 0b7984e252 mt7603: remove unnecessary mcu register read function 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:45 +01:00
Felix Fietkau 4d83561ee4 mt76x2: add LED register definitions 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:45 +01:00
Felix Fietkau 1b8c8a035a mt7603: add LED definition registers 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 20:34:45 +01:00
Felix Fietkau 1be430fc8a mt76x2: fix tx status ampdu length corner case 
Sometimes the code would return a status update to mac80211 with a-mpdu
length of 0, leading to a crash in minstrel.

Make the logic of counting a-mpdu burst length easier to follow and add
an extra check to prevent this issue from happening.

Signed-off-by: Felix Fietkau <[email protected]>
 2017-10-12 12:43:27 +02:00
Felix Fietkau c4e3deaa58 mt7603: use the real vif index in txwi header for normal tx. 
Fixes rate control for multi-vif. Beacons and buffered multicast packets
still need the adjusted index

Signed-off-by: Felix Fietkau <[email protected]>
 2017-07-01 16:53:18 +02:00
Felix Fietkau 32eab505a4 mt7603: set wtbl entry vif index 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-07-01 16:46:34 +02:00
Felix Fietkau af326156d9 mt7603: change auto rate control register initialization 
Allow the hardware to fall back if rates stop working, make the first
rate fail earlier.

Signed-off-by: Felix Fietkau <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
 2017-06-26 14:06:31 +02:00
Felix Fietkau 219c8dc717 mt7603: fix endian issue in CCMP PN 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-05-26 09:40:49 +02:00
Felix Fietkau b8a7d0729e mt7603: fix rate update bw fallback index 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-05-26 08:59:00 +02:00
Felix Fietkau 6fdf3a700f mt7603: defer unconditional hw reset to stop call 
Makes repeated down/up calls more reliable

Signed-off-by: Felix Fietkau <[email protected]>
 2017-05-25 21:44:10 +02:00
Felix Fietkau dda684912e mt7603: fix tx status reporting initialization 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-05-22 19:51:37 +02:00
Felix Fietkau 5d374dab96 mt7603: reserve more pages for beacons 
Should improve reliablity for multiple interfaces

Signed-off-by: Felix Fietkau <[email protected]>
 2017-05-12 14:56:44 +02:00
Felix Fietkau 7168d59902 mt7603: reset PSE queue hang indicator bits 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-21 14:47:01 +01:00
Felix Fietkau 38bae1d303 mt7603: improve reliability of the PSE reset 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-21 14:44:39 +01:00
Felix Fietkau d1769e3346 mt7603: drop the PSE reset on init, it happens too early 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-21 14:44:17 +01:00
Felix Fietkau 040c73638c mt7603: rename extended event enum fields 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-21 11:37:05 +01:00
Felix Fietkau a85617295b mt7603: move enqueueing of mcu events to mt7603_mcu.c 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-21 11:31:53 +01:00
Felix Fietkau 1a3ec7760c mt7603: disable beacon timers during scan 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-21 11:06:19 +01:00
Felix Fietkau e2d298d071 mt7603: issue tx reset bit 2 before DMA reset 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-21 10:44:53 +01:00
Felix Fietkau b2d023520f mt7603: remove redundant mac start 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-21 10:34:22 +01:00
Felix Fietkau e5c58f6c64 mt76x2: fix size of the rssi offset eeprom field 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-17 15:48:57 +01:00
Felix Fietkau 4a54ab381c mt7603: fall back to software crypto for IBSS/Mesh per-sta GTK 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-17 13:29:23 +01:00
Felix Fietkau 9f02db7efc mt76x2: fall back to software crypto for IBSS/Mesh per-sta GTK 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-17 13:29:23 +01:00
Felix Fietkau c91e660985 mt7603: set secondary beacon time offsets 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-15 14:24:48 +01:00
Felix Fietkau 93ce124526 mt7603: enable beacons for other virtual interfaces 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-15 14:24:46 +01:00
Felix Fietkau 59ce2b491b mt7603: set tx vif own MAC index (needed for beacons) 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-15 14:24:44 +01:00
Felix Fietkau e54add55e0 mt7603: move napi/tasklet enable/disable outside of the locked section 
Should help prevent deadlocks

Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-15 14:24:42 +01:00
Felix Fietkau da8e79696d mt7603: check wtbl busy status and stop/start tx queues when clearing sta entry 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-15 14:24:40 +01:00
Felix Fietkau f22273bf85 mt7603: init WTBL entry before setting capabilities 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-15 14:24:38 +01:00
Felix Fietkau dce8aac5c4 mt7603: fix endian issue in mt7603_mac_fill_rx 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-15 14:24:35 +01:00
Felix Fietkau 29b08d3abd mt7603: fix endian issue in mt7603_mcu_set_timing 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-03-15 14:24:08 +01:00
Felix Fietkau f020a60950 mt7603: support loading the entire EEPROM from OTP 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-02-27 09:52:36 +01:00
Felix Fietkau b056a78fd7 dma: fix endian issue in mt76_dma_get_buf 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-02-27 09:44:20 +01:00
Felix Fietkau cc704981bd mt76x2: clarify queue selection field 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-02-07 21:13:16 +01:00
Felix Fietkau 03e44dcdb2 mt76x2: remove unnecessary headroom check 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-02-07 21:13:16 +01:00
Felix Fietkau a5eaeb27d6 revert mt76_eeprom_override call reordering 
This call order is necessary for handling the device MAC address

Signed-off-by: Felix Fietkau <[email protected]>
 2017-02-03 14:25:08 +01:00
Felix Fietkau 184e068b6f use wiphy_read_of_freq_limits to parse band capability overrides 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-02-01 16:11:35 +01:00
Felix Fietkau f8f49d2428 mt7603: return -EOPNOTSUPP on unsupported ciphers 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-01-14 23:05:46 +01:00
Felix Fietkau 9af67d47e0 mt76x2: return -EOPNOTSUPP on unsupported ciphers 
Silences a warning when using 802.11w

Signed-off-by: Felix Fietkau <[email protected]>
 2017-01-14 23:04:59 +01:00