Commit Graph
1216 Commits
Author SHA1 Message Date
Felix Fietkau 6eef33bfd5 mt7603: remove mt7603_txq_init
Simplify the code by open coding it in the only remaining caller

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-30 12:10:45 +01:00
Felix Fietkau 7a53138b32 mt7603: trigger watchdog reset if flushing CAB queue fails
Signed-off-by: Felix Fietkau <[email protected]>
2019-01-29 16:20:15 +01:00
Felix Fietkau c3da1aa3b0 mt7603: trigger beacon stuck detection faster
Check against number of active beacon interfaces instead of maximum number
of interfaces

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-29 16:18:19 +01:00
Felix Fietkau 0b939dc7ed mt76: fix resetting software IV flag on key delete
It needs to be unset instead of set

Fixes: 23405236460b9 ("mt76: fix transmission of encrypted management frames")
Cc: [email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2019-01-25 18:02:04 +01:00
Felix Fietkau 64abb35d2b mt76: fix corrupted software generated tx CCMP PN
Since ccmp_pn is u8 *, the second half needs to start at array index 4
instead of 0. Fixes a connection stall after a certain amount of traffic

Fixes: 23405236460b9 ("mt76: fix transmission of encrypted management frames")
Cc: [email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2019-01-25 18:01:55 +01:00
Felix Fietkau 7d00d58f74 mt76x02: fix per-chain signal strength reporting
Set the per-chain signal value for chain 0 and simplify the code
(no need for a loop for just one extra chain)

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-25 15:26:13 +01:00
Felix Fietkau b4ee01f95c mt76: fix tx status timeout processing
Remove bogus check for MT_PACKET_ID_NO_ACK in mt76_tx_status_skb_get, which
is already handled in callers and turns timeout calls into no-ops
Do not clean up pending status items on reordering of tx status information
if the timeout is not reached yet

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-25 15:22:41 +01:00
Felix Fietkau aa470d8655 mt7603: fix buffered multicast queue flush
For some reason the BMC queue flush does not work properly if packets were
queued for a BSS0_n interface (secondary vif).
Work around this issue by using the DMA scheduler to filter the queue before
issueing the BMC queue flush.

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-22 15:25:16 +01:00
Felix Fietkau e342cc5c72 mt7603: fix buffered multicast count register
Signed-off-by: Felix Fietkau <[email protected]>
2019-01-22 14:24:43 +01:00
Felix Fietkau ce8cc5d52d mt7603: issue PSE client reset on init
Improves reliability of module reload after tx hangs

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-22 14:09:54 +01:00
Felix Fietkau fe30bd35e2 mt7603: issue PSE reset on tx hang
Signed-off-by: Felix Fietkau <[email protected]>
2019-01-22 14:03:31 +01:00
Lorenzo BianconiandFelix Fietkau 63a79ff71f mt76: do not report out-of-range rx nss
Take into account device rx stream in mt76x02_mac_process_rate
in order to not report wrong number of rx spatial stream to mac80211.
The issue has been reported on mt76x0 device which is 1x1:1 however
the hw sometimes reports rx nss equal to 2

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-01-21 21:48:35 +01:00
Felix Fietkau 2efa389b4c mt7603: limit station power save queue length to 64
Avoid excessive memory use, in case something goes wrong.

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-21 21:02:33 +01:00
Felix Fietkau 1c751f391f mt76: avoid scheduling tx queues for powersave stations
Signed-off-by: Felix Fietkau <[email protected]>
2019-01-21 17:33:38 +01:00
Felix Fietkau 3df341d597 mt7603: avoid redundant MAC timing updates
Signed-off-by: Felix Fietkau <[email protected]>
2019-01-21 15:04:37 +01:00
Felix Fietkau 79b337cfad mt7603: move CF-End rate update to mt7603_mac_set_timing
Signed-off-by: Felix Fietkau <[email protected]>
2019-01-21 15:03:19 +01:00
Felix Fietkau b35cc8eefa mt7603: set timing on channel change before starting MAC
MAC needs to be stopped/started for timing change anyway

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-21 14:59:52 +01:00
Felix Fietkau 815fd03e0f mt7603: fix CCA timing values
Sync CCK values with reference driver.
Use OFDM values obtained from the hardware reset value
Stop tx/rx on change only using the ARB_SCR register

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-21 14:59:52 +01:00
Felix Fietkau 3e9a7d5c4d Revert "mt7603: fix txd q_idx field value"
This reverts commit 4bcb2f9fe2.
This causes a slight throughput regression

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-21 14:30:47 +01:00
Felix Fietkau fc31457cd9 mt7603: implement support for SMPS
The hardware needs to be notified of peers using dynamic SMPS mode
Fixes using dual-stream rates on some clients (e.g. Intel)

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-20 17:46:51 +01:00
Felix Fietkau 158529d679 mt7603: fix PSE reset retry sequence
Clear pending PSE request bit in order to avoid having it trigger by the
firmware at a bad point in time.
Only clear AC queue stuck bits if the PSE reset succeeded

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-20 15:15:13 +01:00
Felix Fietkau 702f557c75 mt7603: use maximum tx count for buffered multicast packets
Should improve stability

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-20 14:41:39 +01:00
Felix Fietkau c4e4982fa9 mt7603: set IEEE80211_HW_TX_STATUS_NO_AMPDU_LEN
The hardware cannot report accurate tx A-MPDU length information, so tell rate
control to ignore it. Improves tx rate selection

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-16 22:35:17 +01:00
Felix Fietkau 4206db7157 mt76: set IEEE80211_HW_NEEDS_UNIQUE_STA_ADDR flag
The hardware does not deal with multiple WCID entries for the same station
properly. Set IEEE80211_HW_NEEDS_UNIQUE_STA_ADDR to avoid those cases

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-16 22:33:23 +01:00
Felix Fietkau 4bcb2f9fe2 mt7603: fix txd q_idx field value
Use 802.11e ACI values - the vendor driver does the same

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-16 19:56:18 +01:00
Felix Fietkau 9d11596ec6 mt7603: discard bogus tx status data
If parsing tx status information fails, do not report any rates to mac80211

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-16 19:55:42 +01:00
Felix Fietkau e45db12888 mt7603: fix tx status info
Reporting A-MPDU length from txs does not work, because only completed
subframes are reported. Trying to aggregate tx status report for one
completed A-MPDU does not work, because individual subframe retries can
be different.
Do not report A-MPDU length > 1 and pass individual subframe tx status
information to mac80211 to fix rate control errors

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-16 19:53:45 +01:00
Felix Fietkau 63bf183451 mt76: add channel switch announcement support
Signed-off-by: Felix Fietkau <[email protected]>
2019-01-15 14:27:02 +01:00
Felix Fietkau d273ddd9e3 mt7603: fix number of frames limit in .release_buffered_frames
Signed-off-by: Felix Fietkau <[email protected]>
2019-01-15 12:50:01 +01:00
Lorenzo BianconiandFelix Fietkau a946b78acf mt76: add led support to mt76x0e driver
Move mt76x02 led support in mt76x02-lib module in order to
add tpt led trigger to mt76x0e driver

Tested-by: LGA1150 <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
2019-01-11 15:24:32 +01:00
Arnd BergmannandFelix Fietkau d1bc504955 mt76: fix building without CONFIG_LEDS_CLASS
When CONFIG_LEDS_CLASS is disabled, or it is a loadable module while
mt76 is built-in, we run into a link error:

drivers/net/wireless/mediatek/mt76/mac80211.o: In function `mt76_register_device':
mac80211.c:(.text+0xb78): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `devm_of_led_classdev_register'

We don't really need a hard dependency here as the driver can presumably
work just fine without LEDs, so this follows the iwlwifi example and
adds a separate Kconfig option for the LED support, this will be available
whenever it will link, and otherwise the respective code gets left out from
the driver object.

Fixes: 17f1de56df05 ("mt76: add common code shared between multiple chipsets")
Signed-off-by: Arnd Bergmann <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
2019-01-11 15:24:32 +01:00
Lorenzo BianconiandFelix Fietkau eca96cd856 mt76: use proper name for __MT76x02_H macro
Use proper name for __MT76x02_H macro in mt76x02.h

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2019-01-11 15:24:32 +01:00
Felix Fietkau d77c861208 mt76: fix rssi ewma tracking
The generic EWMA code cannot deal with negative numbers, so convert signal
to a positive number before adding it
Fixes mt76x2 AGC tuning

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-11 15:24:32 +01:00
Felix Fietkau 2ad54b2f25 mt76: move wcid rssi ewma init to mt76 core
Signed-off-by: Felix Fietkau <[email protected]>
2019-01-11 15:24:32 +01:00
Felix Fietkau 8167074dab Revert "mt7603: update firmware to 20161027164355"
This reverts commit f2ba65f73f
This firmware update has been reported to cause regressions on some devices

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-11 15:24:32 +01:00
Felix Fietkau f84b008222 mt76: fix tx status reporting for non-probing frames
On MT76x2, the hardware does not report tx status in the FIFO register,
if the packet id is 0.
Change the allocation of packet IDs to use 0 for no-ack packets, 1 for
non-probing packets and 2-255 for packets with tx status requested.
Fixes rate control issues

Signed-off-by: Felix Fietkau <[email protected]>
2019-01-11 15:24:32 +01:00
Lorenzo BianconiandFelix Fietkau 7d4a95c8dd mt76: dma: avoid indirect call in mt76_dma_tx_queue_skb
Call mt76_dma_add_buf routine directly in mt76_dma_tx_queue_skb
and avoid indirect call if not necessary

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2018-12-31 15:45:10 +01:00
Colin Ian KingandFelix Fietkau 9daa5ff1fd mt76: make const array 'data' static, shrinks object size
Don't populate the const array 'data' on the stack but instead
make it static. Makes the object code smaller by 78 bytes:

Before:
   text    data     bss     dec     hex filename
   5438    1080       0    6518    1976 mediatek/mt76/mt76x2/usb_mcu.o

After:
   text    data     bss     dec     hex filename
   5296    1144       0    6440    1928 mediatek/mt76/mt76x2/usb_mcu.o

(gcc version 8.2.0 x86_64)

Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2018-12-31 15:45:10 +01:00
Felix Fietkau 48fb0116f0 mt7603: fix CF-End transmit rate when 11b stations are connected
Use a CCK rate in that case

Signed-off-by: Felix Fietkau <[email protected]>
2018-12-30 17:08:40 +01:00
Felix Fietkau 24ec040a97 mt7603: fix BSSID configuration in AP mode
Fixes BSSID value in self-generated frames, such as CF-End

Signed-off-by: Felix Fietkau <[email protected]>
2018-12-30 16:41:17 +01:00
Felix Fietkau 962152bd73 mt7603: fix WMM TXOP limit configuration
The config registers are swapped, AC2/AC3 comes before AC1/AC0

Signed-off-by: Felix Fietkau <[email protected]>
2018-12-30 16:10:59 +01:00
Felix Fietkau 2a092e2b1d mt7603: fix per-rate retry accounting
Each rate retry slot takes up MT7603_RATE_RETRY tries, and cannot be altered
based on mac80211 provided rate retry counts.

Signed-off-by: Felix Fietkau <[email protected]>
2018-12-29 19:42:15 +01:00
Felix Fietkau 148219d572 mt7603: fix checkpatch issues
Signed-off-by: Felix Fietkau <[email protected]>
2018-12-29 13:27:35 +01:00
Felix Fietkau bce700dd0c mt7603: fix signal strength reporting on single-stream devices
The second chain value is 0 if the second chain is disabled, which
would make the reported signal strength 0 as well.

Signed-off-by: Felix Fietkau <[email protected]>
2018-12-29 13:03:20 +01:00
Felix Fietkau 58988a314d mt76: fix signedness of rx status signal field
It is usually negative, so it needs to be signed.

Signed-off-by: Felix Fietkau <[email protected]>
2018-12-29 13:01:49 +01:00
Lorenzo BianconiandFelix Fietkau 3598046d01 mt76: mmio: introduce mt76x02_check_tx_hang watchdog
Port mt76x02_check_tx_hang watchdog from vendor driver in order to
perform a device reset when tx mac/dma logic hangs. Tx mac/dma stuck
has been observed when the device is heavy loaded or in a noisy
environment. Moreover introduce wdt delayed work in order to run
tx_hang watchdog. For the moment run mt76x02_check_tx_hang watchdog
just on mt76x2 devices since the issue has not been observed on mt76x0
driver yet

Signed-off-by: Lorenzo Bianconi <[email protected]>
2018-12-28 16:16:41 +01:00
Lorenzo BianconiandFelix Fietkau c78e317701 mt76: dma: do not build skb if reported len does not fit in buf_size
Precompute data length in order to avoid to allocate the related
skb data structure if reported length does not fit in queue buf_size

Signed-off-by: Lorenzo Bianconi <[email protected]>
2018-12-28 16:15:53 +01:00
Lorenzo BianconiandFelix Fietkau 876d0e95bc mt76: mac: minor optimizations in mt76x02_mac_tx_rate_val
Do not set bw variable to zero for legacy rates since it is already
initialized to zero. Moreover set nss to 1 just for legacy rates
since nss will be properly set for VHT/HT rates

Signed-off-by: Lorenzo Bianconi <[email protected]>
2018-12-28 13:43:56 +01:00
Lorenzo BianconiandFelix Fietkau 9661da4580 mt76: add energy detect CCA support to mt76x{0,2}e drivers
Ported from the reference driver. Should fix compliance with ETSI
regulatories on preventing transmission while energy detect values
are above the threshold.
The code has been tested using an ath9k device running tx99 as
noise generator

Signed-off-by: Lorenzo Bianconi <[email protected]>
2018-12-28 13:43:56 +01:00
Lorenzo BianconiandFelix Fietkau 51b6daf6b2 mt76x2: init: set default value for MT_TX_LINK_CFG
Update default value for MT_TX_LINK_CFG according to vendor driver

Signed-off-by: Lorenzo Bianconi <[email protected]>
2018-12-28 13:43:56 +01:00