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At present, the driver configures the firmware to send the Channel Switch
(CS) count event only when the count reaches zero during a Channel Switch
Announcement (CSA). For frames managed by the upper layer, where the driver
does not update the counter, the CS count in these frames remains unchanged
throughout the entire CSA period. This is because the upper layer is not
aware of the latest ongoing count. Indicating same count value throughout
the CSA time is wrong and could lead to connection instabilities.
Fix this by configuring firmware to send CS count event for every count and
then accordingly decrementing the count in mac80211.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://patch.msgid.link/20250124-ath12k_mlo_csa-v2-3-420c42fcfecf@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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The driver is informed of the counter offsets in the beacon during CSA
through the ieee80211_mutable_offsets structure. According to the
documentation for the cntdwn_counter_offs member, "This array can contain
zero values which should be ignored." However, the current implementation
uses these values unconditionally, without checking for zeros.
Whenever CSA is active, these offsets are guaranteed to be set. Therefore,
add a check for CSA active status before setting the CSA switch count
offsets. This ensures that the offsets are only set when CSA is active,
preventing incorrect configurations.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://patch.msgid.link/20250124-ath12k_mlo_csa-v2-2-420c42fcfecf@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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The current code has ath12k_wmi_bcn_tmpl() accepting separate ar and
vdev_id parameters. However, ath12k_link_vif structure can be used to
derive both of these.
Hence, simplify the function signature.
Later change needs arvif pointer access within the function hence it is
better if arvif is directly passed now.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://patch.msgid.link/20250124-ath12k_mlo_csa-v2-1-420c42fcfecf@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/ath/ath
ath.git patch for v6.14-rc
Fix an issue in the ath12k driver where 6 GHz operation no longer
works with new firmware.
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Add support to request pdev stats from firmware through WMI and
print the information
Sample Output:
-------------
cat /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/fw_stats/pdev_stats
ath12k PDEV stats
=================
Channel noise floor -85
Channel TX power 126
TX frame count 0
RX frame count 8637
RX clear count 37424
Cycle count 4372024
PHY error count 0
soc drop count 0
ath12k PDEV TX stats
====================
HTT cookies queued 0
HTT cookies disp. 0
MSDU queued 0
MPDU queued 0
MSDUs dropped 0
Local enqued 0
Local freed 0
HW queued 0
PPDUs reaped 0
Num underruns 0
PPDUs cleaned 0
MPDUs requeued 0
Excessive retries 0
HW rate 0
Sched self triggers 0
Dropped due to SW retries 0
Illegal rate phy errors 0
PDEV continuous xretry 0
TX timeout 9
PDEV resets 0
Stateless TIDs alloc failures 0
PHY underrun 0
MPDU is more than txop limit 0
ath12k PDEV RX stats
====================
Mid PPDU route change 0
Tot. number of statuses 0
Extra frags on rings 0 0
Extra frags on rings 1 0
Extra frags on rings 2 0
Extra frags on rings 3 0
MSDUs delivered to HTT 0
MPDUs delivered to HTT 0
MSDUs delivered to stack 0
MPDUs delivered to stack 0
Oversized AMSUs 0
PHY errors 0
PHY errors drops 0
MPDU errors (FCS, MIC, ENC) 0
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Ramya Gnanasekar <ramya.gnanasekar@oss.qualcomm.com>
Reviewed-by: Aditya Kumar Singh <aditya.kumar.singh@oss.qualcomm.com>
Link: https://patch.msgid.link/20250124185330.1244585-4-ramya.gnanasekar@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Add support to request and dump beacon statistics from firmware
Sample output:
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cat /sys/kernel/debug/ath12k/pci-0000:06:00.0/mac0/fw_stats/beacon_stats
ath12k Beacon stats (1)
===================
VDEV ID 0
VDEV MAC address 00:03:7f:04:37:58
================
Num of beacon tx success 20
Num of beacon tx failures 0
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Ramya Gnanasekar <ramya.gnanasekar@oss.qualcomm.com>
Reviewed-by: Aditya Kumar Singh <aditya.kumar.singh@oss.qualcomm.com>
Link: https://patch.msgid.link/20250124185330.1244585-3-ramya.gnanasekar@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Add support to request and print vdev stats from firmware through WMI.
Sample output:
-------------
cat /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/fw_stats/vdev_stats
ath12k VDEV stats
=================
VDEV ID 0
VDEV MAC address 00:03:7f:6c:9c:1a
beacon snr 96
data snr 255
num rx frames 0
num rts fail 0
num rts success 0
num rx err 0
num rx discard 0
num tx not acked 0
num tx frames [00] 0
num tx frames [01] 0
num tx frames [02] 0
num tx frames [03] 2
num tx frames retries [00] 0
num tx frames retries [01] 0
num tx frames retries [02] 0
num tx frames retries [03] 0
num tx frames failures [00] 0
num tx frames failures [01] 0
num tx frames failures [02] 0
num tx frames failures [03] 0
tx rate history [00] 0x00000000
tx rate history [01] 0x00000000
tx rate history [02] 0x00000000
tx rate history [03] 0x00000000
tx rate history [04] 0x00000000
tx rate history [05] 0x00000000
tx rate history [06] 0x00000000
tx rate history [07] 0x00000000
tx rate history [08] 0x00000000
tx rate history [09] 0x00000000
beacon rssi history [00] 0
beacon rssi history [01] 0
beacon rssi history [02] 0
beacon rssi history [03] 0
beacon rssi history [04] 0
beacon rssi history [05] 0
beacon rssi history [06] 0
beacon rssi history [07] 0
beacon rssi history [08] 0
beacon rssi history [09] 0
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Ramya Gnanasekar <ramya.gnanasekar@oss.qualcomm.com>
Reviewed-by: Aditya Kumar Singh <aditya.kumar.singh@oss.qualcomm.com>
Link: https://patch.msgid.link/20250124185330.1244585-2-ramya.gnanasekar@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Currently, when sending the scan channel list command to the firmware, the
maximum Tx power is not encoded in the reg2 member. This omission causes
the firmware to be unaware of the host's maximum Tx power, leading to
incorrect Tx power derivation at firmware level.
To resolve this issue, encode the maximum Tx power in the scan channel list
command before sending it to firmware.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
Signed-off-by: Sathishkumar Muruganandam <quic_murugana@quicinc.com>
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Tested-by: Nicolas Escande <nico.escande@gmail.com>
Link: https://patch.msgid.link/20250107-add_max_reg_pwr_in_scan_ch_list_cmd-v1-1-70d9963a21e4@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Currently, the signal strength of "iw dev xxx station dump" always show an
invalid value.
This is because signal strength is only set in ath12k_mgmt_rx_event()
function, and not set for received data packet. So, change to get signal
from firmware and report to mac80211.
After that, "iw dev xxx station dump" show the correct signal strength.
Such as:
Station 00:03:7f:12:03:03 (on wlo1)
inactive time: 36 ms
rx bytes: 61571
rx packets: 336
tx bytes: 28204
tx packets: 205
tx retries: 49
tx failed: 0
beacon loss: 0
beacon rx: 83
rx drop misc: 66
signal: -24 dBm
beacon signal avg: -22 dBm
For WCN7850, the firmware supports db2dbm, so not need to add noise floor.
For QCN9274, the firmware not support db2dbm, so need to add noise floor.
This patch affects the station mode of WCN7850 and QCN9274.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00214-QCAHKSWPL_SILICONZ-1
Signed-off-by: Lingbo Kong <quic_lingbok@quicinc.com>
Link: https://patch.msgid.link/20250115063537.35797-4-quic_lingbok@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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In the US country code, to avoid including 6 GHz rules in the 5 GHz rules
list, the number of 5 GHz rules is set to a default constant value of 4
(REG_US_5G_NUM_REG_RULES). However, if there are more than 4 valid 5 GHz
rules, the current logic will bypass the legitimate 6 GHz rules.
For example, if there are 5 valid 5 GHz rules and 1 valid 6 GHz rule, the
current logic will only consider 4 of the 5 GHz rules, treating the last
valid rule as a 6 GHz rule. Consequently, the actual 6 GHz rule is never
processed, leading to the eventual disabling of 6 GHz channels.
To fix this issue, instead of hardcoding the value to 4, use a helper
function to determine the number of 6 GHz rules present in the 5 GHz rules
list and ignore only those rules.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Cc: stable@vger.kernel.org
Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
Signed-off-by: Aditya Kumar Singh <aditya.kumar.singh@oss.qualcomm.com>
Link: https://patch.msgid.link/20250123-fix_6ghz_rules_handling-v1-1-d734bfa58ff4@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Add support to process factory test mode commands(FTM) for calibration.
By default firmware start with MISSION mode and to process the FTM commands
firmware needs to be restarted in FTM mode using module parameter ftm_mode.
The pre-request is all the radios should be down before starting the test.
All ath12k test mode interface related commands specified in enum
ath_tm_cmd.
When start command ATH_TM_CMD_TESTMODE_START is received, ar state
is set to test Mode and FTM daemon sends test mode command to wifi
driver via cfg80211. Wifi driver sends these command to firmware as
wmi events. If it is segmented commands it will be broken down into
multiple segments and encoded with TLV header else it is sent to
firmware as it is.
Firmware response via UTF events, wifi driver creates skb and send
to cfg80211, cfg80211 sends firmware response to FTM daemon via
netlink message.
Command to boot in ftm mode
insmod ath12k ftm_mode=1
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Signed-off-by: Aaradhana Sahu <quic_aarasahu@quicinc.com>
Reviewed-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://patch.msgid.link/20250119083657.1937557-4-quic_aarasahu@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Export ath12k_wmi_tlv_hdr() to further use in the testmode command
processing.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Signed-off-by: Aaradhana Sahu <quic_aarasahu@quicinc.com>
Reviewed-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://patch.msgid.link/20250119083657.1937557-3-quic_aarasahu@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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IEEE80211_TX_STAT_NOACK_TRANSMITTED flag signifies that frame was
successfully transmitted without any errors when no-ack is requested.
In WMI Tx management completion path, driver is not setting
IEEE80211_TX_STAT_NOACK_TRANSMITTED flag for the frames with
IEEE80211_TX_CTL_NO_ACK. Without this flag, the management frame
statistics will not track such frames.
Add IEEE80211_TX_STAT_NOACK_TRANSMITTED flag as part of the flags in
skb transmit information when WMI is processing Tx completion for
management frames.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Signed-off-by: Ramya Gnanasekar <quic_rgnanase@quicinc.com>
Signed-off-by: Muna Sinada <quic_msinada@quicinc.com>
Acked-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20241219190845.605116-1-quic_msinada@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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ieee80211_radar_detected() expects the driver to pass a channel context
configuration during MLO. This is used to identify exactly which link
detected the radar.
Add support to pass this to mac80211. Since the link arvif is not known in
the WMI event, introduce a helper iterator API,
ath12k_mac_get_any_chanctx_conf_iter(), to get the channel context
configuration.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Acked-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20241218-ath12k_mlo_dfs-v1-3-058e783bcfc7@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Rename the flag ATH12K_CAC_RUNNING to ATH12K_FLAG_CAC_RUNNING to correct
the naming inconsistency in the enum ath12k_dev_flags.
No functionality changes.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Acked-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20241218-ath12k_mlo_dfs-v1-1-058e783bcfc7@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Now everything in ath12k is in place and we can enable Multi-Link Operation
(MLO) in the driver. For now it's only enabled for QCN9274 with firmware having
ATH12K_FW_FEATURE_MLO feature bit set.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20241211154358.776279-8-kvalo@kernel.org
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Currently, certain WMI events are frequently received by the host. Since
the host lacks the logic to process these events, the console is flooded
with ‘Unknown eventid:’ debug messages.
To address this, handle these events gracefully without printing debug
messages. There is already a block of event IDs that are ignored with a debug
print. However, this new type of event occurs more frequently, so no debug
print is necessary, and handling it should be a no-op.
While at it, re-arrange the code so that all Unknown event IDs are towards
the end of the switch block.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20241211154358.776279-4-kvalo@kernel.org
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Currently, the hardware scan is initiated in the driver on scan link (15).
After mapping to the appropriate radio based on the scan frequency, the vdev is
created and the scan begins. However, the vdev is only deleted when channel
assignment is about to occur after the scan. Additionally, it is also deleted
if a new scan is requested on the same interface but the underlying radio
differs in the new request.
This imbalance leads to various hardware scan issues, especially when a non-MLO
and MLO combination exists. In such cases, the latter tries to skip the scan
and proceed with channel assignment while the former is still scanning, causing
a firmware assert.
To address this issue, symmetrize the scan vdev creation and deletion during
hardware scan operations. This means creating a vdev when the scan starts and
deleting it once the scan is completed or aborted.
While at this, add a few debug prints in scan handling and a few empty lines
for better code read.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20241211154358.776279-2-kvalo@kernel.org
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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In case of multi device group abstraction, host has to exchange the multi-link
operation commands such as setup and ready to firmware before registering the
device group to mac80211.
The multi-link operation commands - setup, ready and teardown are necessary for
many commands such as WMI_PEER_ASSOC_CMD, WMI_BCN_TMPL_CMD in case of
multi-link interfaces.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>
Signed-off-by: Harshitha Prem <quic_hprem@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20241211153432.775335-8-kvalo@kernel.org
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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In case of multi device group abstraction, host has to exchange the MLO
commands such as setup, teardown and ready to firmware.
Once multi device group is ready, host has to exchange MLO setup command with
partner devices link information and followed by MLO ready command to firmware.
During deinit, MLO teardown command should be sent to firmware. Firmware would
send MLO setup complete and MLO teardown complete to host for MLO setup command
and MLO teardown command respectively.
Added WMI helper functions for the MLO setup, ready and teardown command
and the handling for corresponding event from firmware. Add appropriate WMI
tag, command id and event id to parse the event and send request.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Co-developed-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>
Signed-off-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>
Signed-off-by: Bhagavathi Perumal S <quic_bperumal@quicinc.com>
Signed-off-by: Harshitha Prem <quic_hprem@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20241211153432.775335-7-kvalo@kernel.org
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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The ahvif->vif->link_conf[] array has IEEE80211_MLD_MAX_NUM_LINKS elements
so this should be >= instead of > to avoid an out of bounds access.
Fixes: 3952657848c0 ("wifi: ath12k: Use mac80211 vif's link_conf instead of bss_conf")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/755becb1-819b-484d-8fac-9a2db53ced1b@stanley.mountain
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Currently mac80211 vif's bss_conf is used to fetch any vif related
configurations in driver but with MLO multiple links are affiliated to a vif
and corresponding link configs are present in vif->link_conf[]. Fetch
link_conf for corresponding link from vif and use the same for configurations.
Add ath12k_mac_get_link_bss_conf() helper to fetch link_conf from arvif.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Sriram R <quic_srirrama@quicinc.com>
Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20241121155806.1862733-8-kvalo@kernel.org
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Add changes to send MLO peer assoc command with partner link details and
primary umac details.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Sriram R <quic_srirrama@quicinc.com>
Signed-off-by: Harshitha Prem <quic_hprem@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/20241101151705.165987-9-kvalo@kernel.org
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
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Driver should indicate to firmware whether a peer is multi-link or not in peer
create command using multi-link flag. Add changes to support
WMI_TAG_MLO_PEER_CREATE_PARAMS in WMI_PEER_CREATE_CMDID.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Sriram R <quic_srirrama@quicinc.com>
Signed-off-by: Harshitha Prem <quic_hprem@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/20241101151705.165987-7-kvalo@kernel.org
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
|
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Add changes to add the link vdevs dynamically whenever a channel is assigned
from mac80211 for a link vdev. During vdev create, update ML address of the
vdev to firmware using the new WMI parameter (WMI_TAG_MLO_VDEV_CREATE_PARAMS).
During vdev start, notify the firmware that this link vdev is newly added and
also indicate all its known partners so that the firmware can take necessary
actions to internally update the partners on the new link being added.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Sriram R <quic_srirrama@quicinc.com>
Co-developed-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/20241101151705.165987-3-kvalo@kernel.org
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
|
|
To prepare the driver for MLO support, split the driver vif data structure to
scale for multiple links. This requires changing the use of arvif to per link
and not per hw which can now comprise of multiple links. Also since most
configurations from mac80211 are done per link, do refactoring of the driver
functions to apply these configurations at link level.
Split ath12k_vif which is the driver private of ieee80211_vif to store link
specific information as ath12k_link_vif. For default use cases the ath12k vif
will have a preallocated link vif called deflink which will be used by non ML
and the first link vif of ML vif.
With MLO support to be added, remaining link vifs will be allocated during
channel assignment where vdev create/start happens. These link vifs will be
freed during interface down.
Current ath12k_vif(arvif) structure
+---------------+ +---------------+ +---------------+
| ieee80211_vif | | ieee80211_vif | | ieee80211_vif |
| private data | | private data | | private data |
| | | | | |
| ath12k_vif | | ath12k_vif | | ath12k_vif |
| (arvif) | | (arvif) | | (arvif) |
| | | | | |
| +----------+ | | +----------+ | | +----------+ |
| |*ar (2GHz)| | | |*ar (5GHz)| | | |*ar (2GHz)| |
| +----------+ | | +----------+ | | +----------+ |
| | | | | |
+---------------+ +---------------+ +---------------+
The new ath12k_vif (ahvif) containing ath12k_link_vif(s) (arvif) (deflink is
preallocated member which is always the first link if ieee80211_vif is MLD and
is the only link otherwise):
+---------------------------------+
| ieee80211_vif |
| private data |
| |
| ath12k_vif(ahvif) |
| |
| +-------------------------------+
| |ath12k_link_vif deflink (arvif)|
| | +---------------+ |
| | | *ar(2GHz) | |
| +-------------------------------+
| +-------------------------------+
| | ath12k_link_vif *link (arvif)|
| | +---------------+ |
| | | *ar(5GHz) | |
| +-------------------------------+
| +-------------------------------+
| | ath12k_link_vif *link (arvif)|
| | +---------------+ |
| | | *ar(6GHz) | |
| +-------------------------------+
| |
+---------------------------------+
To refactor existing ath12k_vif to make use of link vifs, following
changes are made:
1. ath12k_vif now called by variable name ahvif storing multiple
arvifs (struct ah12k_link_vif) and also has a back pointer to ieee80211_vif.
2. In this patch set, only deflink is used to be on par with the
existing code. When MLO support is added the link id will be used to fetch
the arvif.
3. For mac80211 ops which doesn't use specific link_id, the config or info
is common for the vif, hence apply the config to all link vifs.
The links_map in the ahvif, will be used to identify all the link vifs that
are setup.
4. Change ath12k_vif_to_arvif() as ath12k_vif_to_ahvif() to fetch the
hw level vif. The link vif can be fetched from ahvif->link[], or the
deflink can be accessed via ahvif->deflink. API to access link
vif (arvif) by passing link_id can be introduced with MLO Support.
5. The ieee80211_vif can be accessed from ahvif using ath12k_ahvif_to_vif().
The locking continues to use wiphy_lock() for protecting access to most data in
struct ath12k&co, there are no changes in that regard. Though struct
ath12k_vif::link[] is protected with RCU.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Sriram R <quic_srirrama@quicinc.com>
Co-developed-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20241015171416.518022-2-kvalo@kernel.org
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
|
|
Don't populate the read-only array svc_id on the stack at run time,
instead make it static const.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240912144456.591494-1-colin.i.king@gmail.com
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Currently DFS works under assumption there could be only one channel
context in the hardware. Hence, drivers just calls the function
ieee80211_radar_detected() passing the hardware structure. However, with
MLO, this obviously will not work since number of channel contexts will be
more than one and hence drivers would need to pass the channel information
as well on which the radar is detected.
Also, when radar is detected in one of the links, other link's CAC should
not be cancelled.
Hence, in order to support DFS with MLO, do the following changes -
* Add channel context conf pointer as an argument to the function
ieee80211_radar_detected(). During MLO, drivers would have to pass on
which channel context conf radar is detected. Otherwise, drivers could
just pass NULL.
* ieee80211_radar_detected() will iterate over all channel contexts
present and
* if channel context conf is passed, only mark that as radar
detected
* if NULL is passed, then mark all channel contexts as radar
detected
* Then as usual, schedule the radar detected work.
* In the worker, go over all the contexts again and for all such context
which is marked with radar detected, cancel the ongoing CAC by calling
ieee80211_dfs_cac_cancel() and then notify cfg80211 via
cfg80211_radar_event().
* To cancel the CAC, pass the channel context as well where radar is
detected to ieee80211_dfs_cac_cancel(). This ensures that CAC is
canceled only on the links using the provided context, leaving other
links unaffected.
This would also help in scenarios where there is split phy 5 GHz radio,
which is capable of DFS channels in both lower and upper band. In this
case, simultaneous radars can be detected.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://patch.msgid.link/20240906064426.2101315-9-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
|
|
Currently, the firmware returns incorrect pdev_id information in
WMI_PDEV_BSS_CHAN_INFO_EVENTID, leading to incorrect filling of
the pdev's survey information.
To prevent this issue, when requesting BSS channel information
through WMI_PDEV_BSS_CHAN_INFO_REQUEST_CMDID, firmware expects
pdev_id as one of the arguments in this WMI command.
Add pdev_id to the struct wmi_pdev_bss_chan_info_req_cmd and fill it
during ath12k_wmi_pdev_bss_chan_info_request(). This resolves the
issue of sending the correct pdev_id in WMI_PDEV_BSS_CHAN_INFO_EVENTID.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
Signed-off-by: P Praneesh <quic_ppranees@quicinc.com>
Signed-off-by: Karthikeyan Kathirvel <quic_kathirve@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240331183232.2158756-2-quic_kathirve@quicinc.com
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Currently, the Rx data path only supports parsing peer metadata of version
zero. However, the QCN9274 platform configures the peer metadata version
as V1B. When V1B peer metadata is parsed using the version zero logic,
invalid data is populated, causing valid packets to be dropped. To address
this issue, refactor the peer metadata version and add the version based
parsing to populate the data from peer metadata correctly.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Fixes: 287033810990 ("wifi: ath12k: add support for peer meta data version")
Signed-off-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240624145418.2043461-1-quic_periyasa@quicinc.com
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With WoWLAN enabled and after sleeping for a rather long time,
we are seeing that with some APs, it is not able to wake up
the STA though the correct wake up pattern has been configured.
This is because the host doesn't send keepalive command to
firmware, thus firmware will not send any packet to the AP and
after a specific time the AP kicks out the STA.
So enable keepalive before going to suspend and disable it after
resume back.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240604055407.12506-9-quic_bqiang@quicinc.com
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Host sets GTK related info to firmware before WoW is enabled, and
gets rekey replay_count and then disables GTK rekey when WoW quits.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240604055407.12506-8-quic_bqiang@quicinc.com
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Support ARP and NS offload in WoW state.
Tested this way: put machine A with QCA6390 to WoW state,
ping/ping6 machine A from another machine B, check sniffer to see
any ARP response and Neighbor Advertisement from machine A.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240604055407.12506-7-quic_bqiang@quicinc.com
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|
Host needs to set hardware data filter before entering WoW to
let firmware drop needless broadcast/multicast frames to avoid
frequent wakeup. Host clears hardware data filter when leaving WoW.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240604055407.12506-6-quic_bqiang@quicinc.com
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|
Implement net-detect feature by setting flag
WIPHY_WOWLAN_NET_DETECT if firmware supports this
feature. Driver sets the related PNO configuration
to firmware before entering WoW and firmware then
scans periodically and wakes up host if a specific
SSID is found.
Note that firmware crashes if we enable it for both
P2P vdev and station vdev simultaneously because
firmware can only support one vdev at a time. Since
there is rare scenario for a P2P vdev to do net-detect,
skip it for P2P vdevs.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240604055407.12506-5-quic_bqiang@quicinc.com
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Implement basic WoW functionalities such as magic-packet, disconnect
and pattern. The logic is very similar to ath11k.
When WoW is configured, ath12k_core_suspend and ath12k_core_resume
are skipped (by checking ar->state) as we are not allowed to power
cycle firmware.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240604055407.12506-4-quic_bqiang@quicinc.com
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Implement WoW enable and WoW wakeup commands which are needed
for suspend/resume.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240604055407.12506-3-quic_bqiang@quicinc.com
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Currently, hw_link_id is sent in WMI service ready event but it
is not parsed anywhere.
But, in future, for multi-link operation, this parameter would be
needed by many WMI commands such as WMI beacon template
(WMI_BCN_TMPL_CMDID), WMI vdev start for Multi-link virtual AP
interfaces (WMI_VDEV_START_REQUEST_CMDID), WMI peer assoc command
(WMI_PEER_ASSOC_CMDID) for Multi-link peer and so on.
Hence, add changes to parse and store the hw_link_id received in
WMI service ready event in ath12k_pdev structure.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Signed-off-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>
Signed-off-by: Harshitha Prem <quic_hprem@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240529054955.4105240-1-quic_hprem@quicinc.com
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Add new function ath12k_mac_setup_bcn_tmpl_ema() which retrieves
a list of EMA (Enhanced Multi-BSSID Advertisements) beacon templates
from mac80211 and sends all to firmware. Add support to send EMA
configurations to firmware by adding a new parameter 'ema_params' in
struct wmi_bcn_tmpl_cmd.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240508202912.11902-9-quic_alokad@quicinc.com
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- A single beacon template is used for one multiple BSSID group as
only one interface from group transmits the beacons. But firmware
requires the host to send this template each time a nontransmitted
interface is brought up. Hence, modify existing logic to retrieve
the template from vif context of the transmitting interface. Also,
firmware crashes if host sends a template for a nontransmitted
interface which is already up, add a check to avoid this.
- Set rsnie_present and wpaie_present fields for nontransmitted VAPs.
- Send offset to the multiple BSSID element in the beacon template
firmware.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240508202912.11902-8-quic_alokad@quicinc.com
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Include MBSSID parameters in WMI vdev up operation.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240508202912.11902-6-quic_alokad@quicinc.com
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|
Host needs to send multiple BSSID configurations to firmware for
each vdev in ath12k_wmi_vdev_up() for AP mode. This function accepts
individual input parameters hence any new argument will require changes
to all callers. Most of these will use default value (0 or NULL).
Create a structure for the function arguments and include objects with
all members initialized to zero to minimize future changes.
Tested-on : QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240508202912.11902-5-quic_alokad@quicinc.com
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Configure multiple BSSID flags and vdev_id of the transmited profile
in vdev create/start commands depending on the service bit
WMI_TLV_SERVICE_MBSS_PARAM_IN_VDEV_START_SUPPORT.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240508202912.11902-3-quic_alokad@quicinc.com
|
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Advertise the driver support for multiple BSSID (MBSSID) and
enhanced multi-BSSID advertisements (EMA) by setting extended
capabilities.
Configure mbssid_max_interfaces and ema_max_profile_periodicity
fields in structure wiphy which are used to advertise maximum number
of interfaces and profile periodicity supported by the driver.
Add new WMI fields to configure maximum vdev count supported for
MBSSID and profile periodicity in case of EMA.
Set WMI_RSRC_CFG_FLAGS2_CALC_NEXT_DTIM_COUNT_SET flag to allow
firmware to track and update the DTIM counts for each nontransmitted
profile.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240508202912.11902-2-quic_alokad@quicinc.com
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The frequency in the rx status is currently being filled
incorrectly for the 6 GHz band. The channel number received is
invalid in this case, resulting in packet drops. Fix this
issue by correcting the frequency calculation.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
Signed-off-by: Pradeep Kumar Chitrapu <quic_pradeepc@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240508173655.22191-3-quic_pradeepc@quicinc.com
|
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The ath12k_hw_params member num_rxmda_per_pdev contains a misspelling
of "dma" so fix it.
No functional changes, compile tested only.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240504-ath12k_dp_rxdma_ring_sel_config_wcn7850-ret-v1-1-44d2843a2857@quicinc.com
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Currently, ath12k_wmi_pdev_dma_ring_cfg() fails due to an invalid pdev_id
parameter passed to the WMI_PDEV_DMA_RING_CFG_REQ_CMDID WMI command. This
invalid pdev_id is caused by a double conversion of the MAC ID. Since the
the caller of ath12k_wmi_pdev_dma_ring_cfg() already performs the MAC ID
conversion, it is unnecessary to do it again within the function. To fix
this, remove the software (SW) to hardware (HW) MAC ID conversion from
ath12k_wmi_pdev_dma_ring_cfg() to avoid this redundant conversion.
Found in code review.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Signed-off-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240506173017.597715-1-quic_periyasa@quicinc.com
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When AP goes down or too far away without indication to STA, beacon miss
will be detected. Then for WCN7850's firmware, it will use roam event
to send beacon miss to host.
If STA doesn't handle the beacon miss, will keep the fake connection
and unable to roam.
So add support for WCN7850 to trigger disconnection from AP when
receiving this event from firmware.
It has to be noted that beacon miss event notification for QCN9274
to be handled in a separate patch as it uses STA kickout WMI event
to notify beacon miss and the current STA kickout event is processed
as low_ack.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Kang Yang <quic_kangyang@quicinc.com>
Reviewed-by: Nicolas Escande <nico.escande@gmail.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240412094447.2063-1-quic_kangyang@quicinc.com
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In order to enable ACPI SAR (Specific Absorption Rate), ath12k gets SAR and GEO
offset tables from ACPI and sends the data to firmware using
WMI_PDEV_SET_BIOS_SAR_TABLE_CMDID and WMI_PDEV_SET_BIOS_GEO_TABLE_CMDID
commands.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Lingbo Kong <quic_lingbok@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240422033054.979-3-quic_lingbok@quicinc.com
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Currently, ath12k does not support Time-Average-SAR (TAS). In order to enable
TAS read the tables from ACPI and send them to the firmware using
WMI_PDEV_SET_BIOS_INTERFACE_CMDID command. Besides, ath12k registers an ACPI
event callback so that ACPI can notify ath12k to get the updated SAR power
table and sends it to the firmware when the device state is changed.
ACPI is only enabled for WCN7850 using struct ath12k_hw_params::acpi_guid
field. Most likely QCN9274 will never support ACPI as the chip is not used in
laptops.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Lingbo Kong <quic_lingbok@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240422033054.979-2-quic_lingbok@quicinc.com
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