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IQ signal calibration is a basic and important calibration to yield good RF
performance. Do this calibration on AP channel if we are going to connect.
During scanning phase, it transmits with low data rate, so without IQK
RF performance is still acceptable.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240202030642.108385-4-pkshih@realtek.com
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We are going to do RF calibrations in firmware, so driver needs to provide
channel information for calibrations, which can do the same things as
they did in driver.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240202030642.108385-3-pkshih@realtek.com
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The RF calibrations should be executed one by one, so add a completion
to ensure one is finish before next. The report from C2H event contains
state and optional version, and we only check the state for now. We also
care about the time a RF calibration takes, so record start time before
asking firmware to do calibration and get the delta time when receiving
report.
Consider SER recovery, we can't receive C2H event, use half of argument
'ms' as fixed delay that is 2 times of measured maximum time of
calibrations.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240202030642.108385-2-pkshih@realtek.com
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TP-Link TL-WN823N V2 (2357:0135) is based on rtl8192fu and has been
tested to work with the rtl8xxxu driver.
Signed-off-by: Chun Qiu <cqca@cock.lu>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240129053030.16369-1-cqca@cock.lu
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The first parameter of WARN_ONCE() is a condition so this code will end
up printing the function name instead of the proper message.
Fixes: 3ff7a05996f9 ("wifi: rtl8xxxu: support setting bssid register for multiple interfaces")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/7b144531-a8da-4725-8911-9b614a525a35@moroto.mountain
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To support multi-links beacon, it needs more fields. But currently we still
only support legacy AP mode. Only update struct to fit expected size of
firmware.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240126063356.17857-8-pkshih@realtek.com
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The ps_state register is used for driver to check if the WiFi chip leave
power save mode successfully. The register is changed for new generation,
so update it.
Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240126063356.17857-7-pkshih@realtek.com
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Because 802.11be chip support MLO mode, driver needs to send new H2C to
pass more connected channel information to firmware, to ensure PS mode
work fine.
Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240126063356.17857-6-pkshih@realtek.com
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This adds support for hardware scan after FW version 0.34.35. Currently
we only support scanning on single hardware band and support of dual band
scan will be added in the future. Adjust the current flow to make driver
compatible with different generation ICs.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240126063356.17857-5-pkshih@realtek.com
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The channel field slightly differs between WiFi 6 and WiFi 7.
So we prepare some required functions in advance, this doesn't change
existing wifi 6 ICs behavior. This H2C prepares the channel list
to be scanned for. With layout as the following:
+--------+--------------------+-------------------+-----------------------+
| header | number of channels | channel info size | channel_info * number |
+--------+--------------------+-------------------+-----------------------+
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240126063356.17857-4-pkshih@realtek.com
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This allows scan related logs when FW log debug mode is on.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240126063356.17857-3-pkshih@realtek.com
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Add definition and parsing for wifi 7 extended fields. These fields
include hardware index which is current reporting, timestamp and self
defined sequences for debug purposes.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240126063356.17857-2-pkshih@realtek.com
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The chip_ops::fem_setup is to get if a hardware module type contains PA
and LNA that will affect how RF calibrations do. The chip_ops::rfe_gpio
is to set GPIO PIN MUX according to hardware module type too. 8922A
doesn't have these special module types yet, so leave them as NULL.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240124033813.12562-1-pkshih@realtek.com
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Get thermal value as a clue to do RF calibration if the delta is larger
than a threshold, but 8922A doesn't need this, so we only read out the
value when debugging to reduce IO.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240124033802.12508-1-pkshih@realtek.com
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Implement indirect interface v2 to read/write RF registers via PHY
registers for 8922A.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240124033637.12330-5-pkshih@realtek.com
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This function is to set TX/RX path. Especially for 1SS rate, it can select
to TX on one or two antenna. Before this operation, stop hardware to
prevent transmitting/receiving unexpected packets. After that, restore
settings and reset hardware to prevent it stays on abnormal state.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240124033637.12330-4-pkshih@realtek.com
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To set TX/RX path or set channel, we need these helpers to stop TX and
restore settings. The sch_tx stands for scheduler TX channel, and the
cfg_ppdu is to stop reporting PPDU status, so we should stop them during
setting.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240124033637.12330-3-pkshih@realtek.com
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Hook implemented handlers to chip_ops, and fill packet frequency and signal
strength to RX status from RX PPDU status packet.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240124033637.12330-2-pkshih@realtek.com
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Hardware puts RX descriptor and packet in RX DMA buffer, so it could be
over one buffer size if packet size is 11454, and then it will be split
into two segments. WiFi 7 chips use larger size of RX descriptor, so
enlarge DMA buffer size according to RX descriptor to have better
performance and simple flow.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240121071826.10159-5-pkshih@realtek.com
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PCI RX ring is a kind of read/write index ring, and DMA and ring index are
asynchronous, so suddenly driver gets newer index ahead before DMA. To
resolve this rare situation, we use a RX tag as helpers to make sure DMA
is done.
The RX tag is a 13-bit value, and range is from 1 ~ 0x1FFF, but 0 isn't
used so should be skipped.
Only enable this validation to coming WiFi 7 chips, because existing
chips use different design and don't really meet this situation.
Add missed rx_ring_eq_is_full for 8851BE by the way.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240121071826.10159-4-pkshih@realtek.com
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During SER (system error recovery), expect to deal with
only ISR related to halt. So, refine IMR configuration.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240121071826.10159-3-pkshih@realtek.com
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Be higher resolution of SER timer unit from 32ms to 16ms to detect
abnormal situation more accurately, and set hardware watchdog timer to 4ms.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240121071826.10159-2-pkshih@realtek.com
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When disabling concurrent mode and switching to a single interface, the
TX might stuck. The reason is TBTT prohibit area circuit still enable
to block TX. To disable tbtt prohibit area circuit need to delay 2ms to
make it effective. However, we only delay 2us in original code. So we
fix it.
Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240119081501.25223-9-pkshih@realtek.com
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When STA connects to an AP and doesn't receive any beacon yet, the
hardware scan is triggered. This scan begins with the default TSF
value. Once STA receives a beacon when switches back to the operating
channel, its TSF synchronizes with the AP. However, if there is a
significant difference in TSF values between the default value and
the synchronized value, it will cause firmware fail to trigger
interrupt, and the C2H won't be sent out. As a result, the scan
continues until a timeout occurs. To fix this issue, we disable TSF
synchronization during scanning to prevent drastic TSF changes, and
enable TSF synchronization after scan.
Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240119081501.25223-8-pkshih@realtek.com
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When aborting scan, wait until FW is done to keep both states aligned.
This prevents driver modifying channel then gets overwritten by FW.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240119081501.25223-7-pkshih@realtek.com
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During cancel scan we might use vif that weren't scanning.
Fix this by using the actual scanning vif.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240119081501.25223-6-pkshih@realtek.com
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RTS switch should not be enabled for broadcast and multicast. This
could cause incorrect behavior during AP mode, so we fix it.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240119081501.25223-5-pkshih@realtek.com
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When wpa_supplicant is initiated by users and not by NetworkManager,
the CQM configuration might not be set. Without this setting, ICs
with connection monitor handled by driver won't detect connection
loss. To fix this we prepare a default setting upon associated at
first, then update again if any is given later.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240119081501.25223-4-pkshih@realtek.com
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Define struct for scan offload C2H events and update each elements'
bitfield. This patch does not change original behavior, just style
conversion and naming changes.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240119081501.25223-3-pkshih@realtek.com
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Use struct filling style instead of pointer casting.
This does not change the original behavior.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240119081501.25223-2-pkshih@realtek.com
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These functions are to control baseband AGC while BT coexists with WiFi.
Among these functions, ctrl_btg_bt_rx is used to control AGC related
settings, which is affected by BT RX, while BT shares the same path with
WiFi; ctrl_nbtg_bt_tx is used to control AGC settings under non-shared
path condition, which is affected by BT TX.
Signed-off-by: Chung-Hsuan Hung <hsuan8331@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240120003831.7014-7-pkshih@realtek.com
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The ::power_trim is to write bias value programmed in efuse to normalize
TX power, and then using ::set_txpwr_ctrl to set reference TX power value.
The ::set_txpwr is to set final TX power according to regulation of current
country.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240120003831.7014-6-pkshih@realtek.com
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Firmware H2C commands and C2H events can go via registers, so define them
accordingly. The page registers are to arrange local buffer of WiFi chip.
RRSR is to define rate selection to transmit BA or ACK. EDCCA is to set
threshold of engine detection mechanism by BB hardware.
Like other chips, define these registers and we can share the same flow.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240120003831.7014-5-pkshih@realtek.com
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The chip_ops::bb_preinit and ::bb_postinit are called before and after
loading BB parameters from tables of firmware file. The ::bb_reset is
used to reset hardware state, and currently it is not needed by 8922AE so
leave it as empty. The ::bb_sethw is to implement conditional parameters.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240120003831.7014-4-pkshih@realtek.com
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When we are going to up interface to make connection, turn on BB and RF
hardware power by enable_bb_rf ops. Oppositely, using disable_bb_rf to
turn them off.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240120003831.7014-3-pkshih@realtek.com
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WiFi 7 chips can operate in various MLO applications, such as 1 link (2SS)
and 2 links (1SS + 1SS), and we should configure different PHY mode for
each of them.
For example,
- MLO_2_PLUS_0_1RF is 1 link with 2SS rate, and enable one RF component.
- MLO_1_PLUS_1_1RF is 2 links with 1SS rate for each, and enable one RF
component that can support two paths.
By default, we set the mode to legacy MLO_DBCC_NOT_SUPPORT (don't support
MLO and DBCC yet), and later we will introduce logic to change the mode.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240120003831.7014-2-pkshih@realtek.com
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Currently it takes almost 6 seconds to upload the firmware for RTL8192CU
(and 11 seconds for RTL8192DU). That's because the firmware is uploaded
one byte at a time.
Also, after plugging the device, the firmware gets uploaded three times
before a connection to the AP is established.
Maybe this is fine for most users, but when testing changes to the
driver it's really annoying to wait so long.
Speed up the firmware upload by writing chunks of 64 bytes at a time.
This way it takes about 110 ms for RTL8192CU (and about 210 ms for
RTL8192DU).
PCI devices could upload it in chunks of 4 bytes, but I don't have any
to test and commit 89d32c9071aa ("rtlwifi: Download firmware as bytes
rather than as dwords") decided otherwise anyway.
Allocate memory for the firmware image with kmalloc instead of vzalloc
because this memory is passed directly to usb_control_msg(), which
can't take memory allocated by vmalloc.
Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/d9bd4949-6e92-4f35-8b60-3b45f9ad74ab@gmail.com
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Commit b837f78fbffa ("wifi: rtl8xxxu: add hw crypto support for AP
mode") introduced max_sec_cam_num as a member of rtl8xxxu_fileops.
It was missed to set this number for all variants except 8188f, which
caused rtl8xxxu_get_free_sec_cam() to always return 0 and therefore breaking
encrypted traffic.
Fix it by adding the numbers for all variants. The values are taken from
the vendor drivers and rtlwifi.
Link: https://lore.kernel.org/linux-wireless/20240111163603.2325-1-zenmchen@gmail.com/
Fixes: b837f78fbffa ("wifi: rtl8xxxu: add hw crypto support for AP mode")
Signed-off-by: Martin Kaistra <martin.kaistra@linutronix.de>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240116095001.399500-1-martin.kaistra@linutronix.de
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rtl8xxxu_limits and rtl8xxxu_combinations can be static const, so add
modifiers as desire. Otherwise, Sparse reports warnings
rtl8xxxu_core.c:7677:30: warning: symbol 'rtl8xxxu_limits' was not declared. Should it be static?
rtl8xxxu_core.c:7682:36: warning: symbol 'rtl8xxxu_combinations' was not declared. Should it be static?
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240116080945.20172-2-pkshih@realtek.com
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Fields of TX descriptor are little-endian order, so correct EN_DESC_ID
field to le32 type.
Fixes: b837f78fbffa ("wifi: rtl8xxxu: add hw crypto support for AP mode")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202401161318.YtXoCkjU-lkp@intel.com/
Cc: Martin Kaistra <martin.kaistra@linutronix.de>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240116080945.20172-1-pkshih@realtek.com
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Instead of reading bit 9 of RFPGA0_XA_HSSIPARAMETER2 every time a frame
is received, just use rtlphy->cck_high_power, which is initialised in
_rtl92d_phy_bb_config(). That bit never changes anyway.
With this change _rtl92de_query_rxphystatus() can be shared with the
upcoming USB driver. The USB driver can't read registers in this
function because register reading can sleep.
Compile tested only.
Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/19a3e023-0eaa-4096-9f78-a2c8e909cb54@gmail.com
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WiFi 7 chips will support MLD, so there are more fields about that. But
currently we don't support MLD yet, just define fields and bits by this
patch ahead, and fill STA_TYPE only.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240115033742.16372-9-pkshih@realtek.com
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The JOIN command is used to tell firmware an new station is joining, and
create an entry for it. This patch is only to convert to set data via
struct, and don't change logic at all.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240115033742.16372-8-pkshih@realtek.com
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Reset DMAC table, so we get expected behavior instead of random values at
early stage.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240115033742.16372-7-pkshih@realtek.com
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Do reset on CMAC tables by mac_id, so we don't get random values when
powering on. Therefore, add the same function for WiFi 7 chips.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240115033742.16372-6-pkshih@realtek.com
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The CMAC table is used to define how hardware TX a certain packet, and
we can specify TX AMPDU size, so hardware can prepare proper retry window
buffer. Otherwise, it can't transmit with expected aggregation number.
Since each TID could have different aggregation number, the smallest number
is adopted to prevent over peer's receiving buffer.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240115033742.16372-5-pkshih@realtek.com
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For WiFi 7 chips, we add H2C command with rich fields to support MLO, so
add a chip_ops to generalize calling of update CMAC table.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240115033742.16372-4-pkshih@realtek.com
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When a station get connected, fill hardware CMAC table via H2C command to
tell hardware arguments related to transmit, such as the lowest rate,
packet padding and so on.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240115033742.16372-3-pkshih@realtek.com
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To have secure connection, set key information into security CAM including
key index, entry index and valid map. This new introduced H2C command can
support MLO, but currently not implement yet.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240115033742.16372-2-pkshih@realtek.com
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According to IEEE Std. 802.11, it defines:
Indicates whether the STA is capable of interpreting the Extended NSS BW
Support subfield of the VHT Capabilities Information field.
Some AP such as TP-LINK BE19000 would check it for bandwidth settings, so
causes 80MHz rate when associating on 160 MHz bandwidth. Declare this
capability to yield expected result.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240112062640.36922-5-pkshih@realtek.com
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