mt76_rx_convert() not need to be exported any longer.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
tx queues are already disabled by mac80211 during scanning or other
off-channel activity. There is no need to repeat the check in mt76,
since scheduled queues are selected by mac80211 as well.
Signed-off-by: Balakrishna Bandi <b.balakrishna@globaledgesoft.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Fixes use-after-free issues on forced station removal during hardware restart
on MT76x02
Fixes: aee5b8cf24 ("mt76: implement A-MPDU rx reordering in the driver code")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Introduce a default implementation for mt76_sw_scan and
mt76_sw_scan_complete in mt76 module and remove duplicated code
since most of the drivers share the same implementation
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This fixes the following checkpatch warnings:
CHECK: Alignment should match open parenthesis
CHECK: No space is necessary after a cast
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Refactor mt7615_mac_wtbl_set_key and introduce
the following routines in order to configure wtbl entries
and properly add hw support to BIP_CMAC_128 cipher:
- mt7615_mac_wtbl_update_cipher
- mt7615_mac_wtbl_update_pk
- mt7615_mac_wtbl_update_key
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Move mt76{15,03}_tx_tasklet in mt76_alloc_device in order to be used as
default tx_tasklet initialization. Remove duplicated code in
mt7603/mt7615 drivers
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
No functional change intended.
Add SPDX identifiers to all remaining files in /mt76.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Move mt7603_get_rate in mac80211.c and rename it to mt76_get_rate
since it is shared between mt7603 and mt7615 drivers
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Genralize mt76_get_txpower routine for 4x4:4 capable devices
in order to be reused in mt7615 driver
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Move mt7615_insert_ccmp_hdr in mac80211.c and rename it in
mt76_insert_ccmp_hdr since it is shared between mt7603 and mt7615
drivers
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Announce antenna pattern cap to adapt PHY and baseband settings.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
- tx power is stored in the channels after ieee80211_register_hw, so
chan->orig_mpwr needs to be updated as well
- for non-TSSI devices, mt76x2e needs to use a different target power value
from the EEPROM
- fix a rounding error in a few places (need to round up, not down)
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Move mt76_tx_free in mt76_free_device routine in order to
unmap all txwi descriptors at module unload
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
All mt76 drivers (now also USB drivers) require empty .set_tim
callback. Add it to common mt76 module and use on all drivers.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Introduce mt76_sw_queue data structure in order to support new
chipsets (e.g. mt7615) that have a shared hardware queue for all traffic
identifiers. mt76_sw_queue will be used to track outstanding packets
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
mt76_init_stream_cap() and mt76_get_txpower() call __sw_hweight8()
directly, but that's only defined if CONFIG_GENERIC_HWEIGHT is
enabled. The function that works on all architectures is hweight8().
Fixes: 551e1ef4d2 ("mt76: add mt76_init_stream_cap routine")
Fixes: 9313faacbb ("mt76: move mt76x02_get_txpower to mt76 core")
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Move mt76x{0,2} alloc_device common code in mt76_alloc_device and
remove duplicated code
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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 <nbd@nbd.name>
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 <nbd@nbd.name>
first batch of mt76 patches for 4.21
* use the same firmware for mt76x2e and mt76x2u
* mt76x2 fixes
* mt76x0 fixes
* mt76x0e survey support
* more unification between mt76x2 and mt76x0
* mt76x0e AP mode support
* mt76x0e DFS support
* rework and fix tx status handling for mt76x0 and mt76x2
kvalo: fixed a conflict in drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c
and a build problem in drivers/net/wireless/mediatek/mt76/mt76x02_util.c
There is some code in the mac80211 tx status processing code that could
potentially call back into the tx codepath.
To avoid deadlocks, make sure that no tx related spinlocks are taken
during the ieee80211_tx_status call.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
MT76x2/MT76x0 has somewhat unreliable tx status reporting, and for that
reason the driver currently does not report per-skb tx ack status at all.
This breaks things like client idle polling, which relies on the tx ack
status of a transmitted nullfunc frame.
This patch adds code to report skb-attached tx status if requested by
mac80211 or the rate control module. Since tx status is polled from a
simple FIFO register, the code needs to account for the possibility of
tx status events getting lost.
The code keeps a list of skbs for which tx status is required and passes
them to mac80211 once tx status has been filled in and the DMA queue is
done with it.
If a tx status event is not received after one second, the status rates
are cleared, and a succesful ACK is indicated to avoid spurious disassoc
during assoc or client polling.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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: 17f1de56df ("mt76: add common code shared between multiple chipsets")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Hardware station lookup for pspoll frames can fail, which makes the driver
ignore ps-poll frames. Fix the resulting powersave issues by looking up
the station for pspoll frames in software
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Enable the use of CQM_RSSI_LIST with mt76-devices. The change has been
tested with the mt7602, mt7603 and mt7621 PCI wifi-cards. I passed a
list of RSSI thresholds to the driver, and when disconnecting/connecting
the antenna(s) I got an event each time the RSSI went above/below a
threshold.
While I have not been able to test the change with any of the mt76
USB-devices (no access to a device), the RX RSSI management code is
shared between the two device types. Thus, CQM should also work with the
mt76 USB-devices.
Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Move rxfilter and mutex to common structure. Create mt76x02-lib.ko
for mt76x0 and mt76x2 common functions and create new unified
mt76x02_configure_filter() function there.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
in order to reuse mt76_rx_complete routine supporting mt76x2u based
devices add napi struct to mt76_rx_poll_complete and mt76_rx_complete
routine signatures and do not fetch it according to the rx queue index
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Move wiphy interface_modes definition in mt76x2_init in order to
reuse mt76_register_device routine supporting mt76x2u based chipsets
since mt76x2u currently supports just sta mode
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Allows it to be shared between different drivers and locks to be
initialized earlier
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
During scans, mac80211 frequently switches back to the home channel to
minimize interruption of ongoing traffic. Keep regular tx queues active
during that time.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Add a spinlock in mt76_rx_complete. Without this, multiple stats updates
could happen in parallel, which can lead to deadlocks. There are
probably more corner cases fixed by this change.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Avoids race conditions from mac80211 enqueueing tx packets before the
tx-drop bit is cleared
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Allows the driver to control whether to send a BlockAckReq after waking
up. MT76x2 needs this set to true, for MT7603 (to be submitted later)
it needs to be false.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Add capability to select tx/rx antennas. Possible values are:
- 1: to use only the first antenna
- 2: to use only the second antenna
- 3: to use both of them
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Add mt76_init_stream_cap utility routine to set ht/vht sta capabilities
related to number of streams currently used by the device
(it will be used by mac80211 set_antenna callback)
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Initialize available_antennas related info in wiphy data structure
according to antenna_mask field; antenna_mask info is initialized
in device specific code and will be used in mac80211 {set,get}_antenna
callbacks
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
