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In roaming flows and during reassociation, its possible that data frames
such as EAPOLs for 4 way handshake/ 802.1x authentication are initially set
to higher MCS rate. Though these are pruned down to a lower legacy rate
before sending to the FW, driver also emits a kernel warning - intended for
non-data frames. Add checks to avoid such warnings for data frames, while
also enhancing the debug data printed.
Signed-off-by: Krishnanand Prabhu <krishnanand.prabhu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210117164916.d9ded010c4ce.Ie1d5a33d7175c0bcb35c10b5729748646671da31@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
While disconnecting from the AP due to bad channel switch
params (e.g. too long Tx block), do not send the firmware
'CSA abort' before disconnecting. That causes canceling the
immediate quiet and can cause transmitting data before the
disconnection happens.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210117164916.b9af359a675f.I996fc7eb3d94e9539f8b117017c428448c42c7ad@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
D3_CONFIG_CMD and D0I3_END_CMD should be the last\first
command upon suspend\resume correspondingly, otherwise,
FW will raise an assert (0x342).
There are firmware notifications that cause the driver to
send a command back to the firmware. If such a notification
is sent to the driver while the the driver prepares the
firmware for D3, operation, what is likely to happen is that
the handling of the notification will try to get the mutex
and will wait unil the driver finished configuring the
firmware for D3. Then the handling notification will get
the mutex and handle the notification which will lead to
the aforementioned ASSERT 342.
To avoid this, we need to prevent any command to be sent to
the firmware between the D3_CONFIG_CMD and the D0I3_END_CMD.
Check this in the utility layer that sends the host commands
and in the transport layer as well.
Flag the D3_CONFIG_CMD and the D0I3_END_CMD commands as
commands that must be sent even if the firmware has already
been configured for D3 operation.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210117164916.1935a993b471.I3192c93c030576ca16773c01b009c4d93610d6ea@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
When we want to stop TX'ing because we are suspending, we
have two options: either we check system_pm_mode or we
check the mvm's status that has a bit for the suspend
flow.
The latter is better because test_bit is atomic. Also
add a call to synchronize_net after we set the bit to
make sure that all the new Tx see the bit before we
actually complete the suspend flow.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210117130510.243c88781302.I5c0379c5a7e5d49410569e7fcd2fff7a419c6dea@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Instead of pretending to have NAPI and then relying entirely on
interrupts anyway, properly implement NAPI and schedule the poll
when we get an interrupt, re-enabling the interrupt only after
the poll completed.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210117130510.a5951ac4fc06.I9c84a147288fcfb1b019572c6758f2d92949f5d7@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
In the new api all the flush in the FW is done before we
get the response and in the response we only get the updated
read pointer and all queued packets don't get anymore rx_tx
per packet to free the queued packet, so driver needs to free
all queued packets on flushed queue at once after flush response.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210117130510.4bd0eca8c0ef.I1601aad2eb2cc83f6f73b8ca52be57bb9fd626ab@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
If there are frequent CCA delays due to the extension channel
as detected by the firmware, and we're on 2.4 GHz, then handle
this by disconnecting (with a reconnect hint).
When we disconnect, we'll also update our capabilities to use
only 20 MHz on the next connection (if it's on 2.4 GHz) as to
avoid the use of the extension channel that has too much noise.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210117130510.4de9c363b0b5.I709b7e6f73a7537c53f22d7418927691259de8a8@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
When restarting firmware with an ongoing scheduled scan, we
don't (and shouldn't) mark it as aborted as mac80211 will be
restarting it, and so no event should go out to userspace.
The appropriate comment regarding this wasn't moved to this
place, so add it.
However, we _do_ need to clean up our internal state, since
mac80211 will restart the scan, and we'll otherwise get to
the WARN_ON() a few lines below for no reason whatsoever.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210117130510.4ddc9b017268.Ie869b628ae56a5d776eba0e7b7f05f42fc566f2e@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
For testing features where the firmware may send some
notifications it can often be a lot easier to do that
from a test script. Remove most injection limitations
from debugfs to be able to do this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210117130510.9aff3c6b4607.I03b0ae7df094734451445ffcb7f9f0274969f1c0@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
We shouldn't trust the firmware with the sizes (or contents)
of notifications, accessing too much data could cause page
faults if the data doesn't fit into the allocated space. This
applies more on older NICs where multiple notifications can
be in a single RX buffer.
Add a general framework for checking a minimum size of any
notification in the RX handlers and use it for most. Some RX
handlers were already checking and I've moved the checks,
some more complex checks I left and made them _NO_SIZE for
the RX handlers.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210117130510.3e155d5e5f90.I2121fa4ac7cd7eb98970d84b793796646afa3eed@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
We have already WARN_ON(!qc) for non-QOS frame on txq->sched_retry path,
but we continue to process, what makes no sense since tid is not
initialized. Non QOS frame should never happen when aggregation
is enabled on queue, so do not process that.
Patch should fix smatch warning:
drivers/net/wireless/intel/iwlegacy/4965-mac.c:2822 il4965_hdl_tx() error: uninitialized symbol 'tid'.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210119100621.439134-1-stf_xl@wp.pl
We can currently get a "command execute failure 19" error on beacon loss
if the signal is weak:
wlcore: Beacon loss detected. roles:0xff
wlcore: Connection loss work (role_id: 0).
...
wlcore: ERROR command execute failure 19
...
WARNING: CPU: 0 PID: 1552 at drivers/net/wireless/ti/wlcore/main.c:803
...
(wl12xx_queue_recovery_work.part.0 [wlcore])
(wl12xx_cmd_role_start_sta [wlcore])
(wl1271_op_bss_info_changed [wlcore])
(ieee80211_prep_connection [mac80211])
Error 19 is defined as CMD_STATUS_WRONG_NESTING from the wlcore firmware,
and seems to mean that the firmware no longer wants to see the quirk
handling for WLCORE_QUIRK_START_STA_FAILS done.
This quirk got added with commit 18eab430700d ("wlcore: workaround
start_sta problem in wl12xx fw"), and it seems that this already got fixed
in the firmware long time ago back in 2012 as wl18xx never had this quirk
in place to start with.
As we no longer even support firmware that early, to me it seems that it's
safe to just drop WLCORE_QUIRK_START_STA_FAILS to fix the error. Looks
like earlier firmware got disabled back in 2013 with commit 0e284c074ef9
("wl12xx: increase minimum singlerole firmware version required").
If it turns out we still need WLCORE_QUIRK_START_STA_FAILS with any
firmware that the driver works with, we can simply revert this patch and
add extra checks for firmware version used.
With this fix wlcore reconnects properly after a beacon loss.
Cc: Raz Bouganim <r-bouganim@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210115065613.7731-1-tony@atomide.com
The LTR mechanism enables PCIE Endpoints to report the service latency
requirements and CPU will enter appropriate sleep state to save power
based on the LTR value.
8723de provides two registers to config the LTR, and the original setting
is too short for CPU to ente sleep state. The patch adjust the LTR setting.
Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210113014342.3615-1-pkshih@realtek.com
There are certain conditional expressions in rtl8821ae, where a boolean
variable is compared with true/false, in forms such as (foo == true) or
(false != bar), which does not comply with checkpatch.pl (CHECK:
BOOL_COMPARISON), according to which boolean variables should be
themselves used in the condition, rather than comparing with true/false
E.g., in drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c,
"if (rtlefuse->autoload_failflag == false)" can be replaced with
"if (!rtlefuse->autoload_failflag)"
Replace all such expressions with the bool variables appropriately
Signed-off-by: Aditya Srivastava <yashsri421@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210110121525.2407-6-yashsri421@gmail.com
There are certain conditional expressions in rtl8192se, where a boolean
variable is compared with true/false, in forms such as (foo == true) or
(false != bar), which does not comply with checkpatch.pl (CHECK:
BOOL_COMPARISON), according to which boolean variables should be
themselves used in the condition, rather than comparing with true/false
Replace all such expressions with the bool variables appropriately
Signed-off-by: Aditya Srivastava <yashsri421@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210110121525.2407-5-yashsri421@gmail.com
There are certain conditional expressions in rtl8188ee, where a boolean
variable is compared with true/false, in forms such as (foo == true) or
(false != bar), which does not comply with checkpatch.pl (CHECK:
BOOL_COMPARISON), according to which boolean variables should be
themselves used in the condition, rather than comparing with true/false
E.g., in drivers/net/wireless/realtek/rtlwifi/rtl8188ee/dm.c,
"if (mac->act_scanning == true)" can be replaced with
"if (mac->act_scanning)"
Replace all such expressions with the bool variables appropriately
Signed-off-by: Aditya Srivastava <yashsri421@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210110121525.2407-4-yashsri421@gmail.com
There are certain conditional expressions in rtl8192c-common, where a
boolean variable is compared with true/false, in forms such as
(foo == true) or (false != bar), which does not comply with checkpatch.pl
(CHECK: BOOL_COMPARISON), according to which boolean variables should be
themselves used in the condition, rather than comparing with true/false
E.g., in drivers/net/wireless/realtek/rtlwifi/rtl8192c/dm_common.c,
"else if (initialized == false) {" can be replaced with
"else if (!initialized) {"
Replace all such expressions with the bool variables appropriately
Signed-off-by: Aditya Srivastava <yashsri421@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210110121525.2407-3-yashsri421@gmail.com
There are certain conditional expressions in rtl_pci, where a boolean
variable is compared with true/false, in forms such as (foo == true) or
(false != bar), which does not comply with checkpatch.pl (CHECK:
BOOL_COMPARISON), according to which boolean variables should be
themselves used in the condition, rather than comparing with true/false
E.g., in drivers/net/wireless/realtek/rtlwifi/ps.c,
"if (find_p2p_ie == true)" can be replaced with "if (find_p2p_ie)"
Replace all such expressions with the bool variables appropriately
Signed-off-by: Aditya Srivastava <yashsri421@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210110121525.2407-2-yashsri421@gmail.com
We can get the following in the logs every few minutes or so:
wlcore: ERROR exceeded max RX BA sessions
Let's downgrade the message to a debug message as suggested by the TI
support folks at:
https://e2e.ti.com/support/wireless-connectivity/wifi/f/968/p/352435/1244754
"The WL127x firmware supports max of 3 BA sessions. It cannot be increased.
I think the problem here is the peer trying to initiate a 4th BA session
(ADDBA request)."
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210101065955.63386-1-tony@atomide.com
This ensure that previous association attempts do not leave stale statuses
on subsequent attempts.
This fixes the WARN_ON(!cr->bss)) from __cfg80211_connect_result() when
connecting to an AP after a previous connection failure (e.g. where EAP fails
due to incorrect psk but association succeeded). In some scenarios, indeed,
brcmf_is_linkup() was reporting a link up event too early due to stale
BRCMF_VIF_STATUS_ASSOC_SUCCESS bit, thus reporting to cfg80211 a connection
result with a zeroed bssid (vif->profile.bssid is still empty), causing the
WARN_ON due to the call to cfg80211_get_bss() with the empty bssid.
Signed-off-by: Luca Pesce <luca.pesce@vimar.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1608807119-21785-1-git-send-email-luca.pesce@vimar.com
A null pointer will be passed to a kfree() call after a kzalloc() call failed.
This code is useless. Thus delete the extra function call.
A goto statement is also no longer needed. Thus adjust an if branch.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201222135113.20680-1-zhengyongjun3@huawei.com
When the usb device being plugged out, before ieee80211 gets to know the
hw being removed, it gets to know that the association status changed,
and thus ask for the device to do the calibration. This causes error as
the hw is absent.
This can be avoid by checking the status of the device before sending
the calibration request to the device.
Signed-off-by: Zhi Han <z.han@gmx.net>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201217161657.GB12562@E480
When the usb device being plugged out, before the usb_driver:disconnect
called by e.g workqueue, it is possible that some URBs are still in
processing, and being marked as EPROTO in host controller.
Those URBs should not be scheduled in complete_rx callback function to
get further processing.
Signed-off-by: Zhi Han <z.han@gmx.net>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201217161302.GA12562@E480
This adds support for the BCM43666/4 which seems to be using the same
firmware as BCM4366 (4366c0). I found it in the Netgear R8000P router.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201214101553.32097-1-zajec5@gmail.com
As the Marvell PCIE WiFi-Ex driver does not have any code or data
located in initmem, there is no need to annotate the mwifiex_pcie
structure with __refdata. Drop the annotation, to avoid suppressing
future section warnings.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201211133835.2970384-1-geert+renesas@glider.be
Fix the following coccicheck warning:
./drivers/net/wireless/realtek/rtw88/debug.c:800:17-23: WARNING:
Comparison of 0/1 to bool variable
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: YANG LI <abaci-bugfix@linux.alibaba.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1610445040-23599-1-git-send-email-abaci-bugfix@linux.alibaba.com
To protect both of WL/BT performance while BT is under re-link state.
4-slot mode TDMA can make the re-link more sensitive and mitigate the WL
throughput drop.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210112021135.3823-1-pkshih@realtek.com
Hal function must follow the value that calculates from dynamic mechanism.
Force to set new_lvl to 4 damages receiving ability. System will not able
to reconnect to the AP if wifi unexpected disconnecting at this moment.
Signed-off-by: Vincent Fann <vincent_fann@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201228082516.16488-1-pkshih@realtek.com
Sometimes driver does not get tx report from firmware because wifi
environment is too noisy to get ack from AP about a TX frame,
or firmware is too busy to report driver in a estimated time.
But the condition will not affect wifi function or throughput.
So we reduce the log level to rtw_debug instead of scary backtrace.
Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201228082433.16431-1-pkshih@realtek.com
The parameter of kfree function is NULL, so kfree code is useless, delete it.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201216130442.13869-1-zhengyongjun3@huawei.com
BCM4908 family SoCs come with integrated Starfighter 2 switch. Its
registers layout it a mix of BCM7278 and BCM7445. It has 5 integrated
PHYs and 8 ports. It also supports RGMII and SerDes.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20210106213202.17459-3-zajec5@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This helps validating DTS files. Only the current (not deprecated one)
binding was converted.
Minor changes:
1. Dropped dsa/dsa.txt references
2. Updated node name to match dsa.yaml requirement
3. Fixed 2 typos in examples
The new binding was validated using the dt_binding_check.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20210106213202.17459-1-zajec5@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Mat Martineau says:
====================
MPTCP: Add MP_PRIO support and rework local address IDs
Patches 1 and 2 rework the assignment of local address IDs to allow them
to be assigned by a userspace path manager, and add corresponding self
tests.
Patches 2-8 add the ability to change subflow priority after a subflow
has been established. Each subflow in a MPTCP connection has a priority
level: "regular" or "backup". Data should only be sent on backup
subflows if no regular subflows are available. The priority level can be
set when the subflow connection is established (as was already
implemented), or during the life of the connection by sending MP_PRIO in
the TCP options (as added here). Self tests are included.
====================
Link: https://lore.kernel.org/r/20210109004802.341602-1-mathew.j.martineau@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch added the MP_PRIO testcases:
Add a new argument bkup for run_tests and do_transfer, it can be set as
"backup" or "nobackup", the default value is "".
Add a new function chk_prio_nr to check the MP_PRIO related MIB counters.
The output looks like this:
29 single subflow, backup syn[ ok ] - synack[ ok ] - ack[ ok ]
ptx[ ok ] - prx [ ok ]
30 single address, backup syn[ ok ] - synack[ ok ] - ack[ ok ]
add[ ok ] - echo [ ok ]
ptx[ ok ] - prx [ ok ]
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch added the mibs for MP_PRIO, MPTCP_MIB_MPPRIOTX for transmitting
of the MP_PRIO suboption, and MPTCP_MIB_MPPRIORX for receiving of it.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch added the set_flags command in pm_nl_ctl, currently we can only
set two flags: backup and nobackup. The set_flags command can be used like
this:
# pm_nl_ctl set 10.0.0.1 flags backup
# pm_nl_ctl set 10.0.0.1 flags nobackup
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch added a new command MPTCP_PM_CMD_SET_FLAGS in PM netlink:
In mptcp_nl_cmd_set_flags, parse the input address, get the backup value
according to whether the address's FLAG_BACKUP flag is set from the
user-space. Then check whether this address had been added in the local
address list. If it had been, then call mptcp_nl_addr_backup to deal with
this address.
In mptcp_nl_addr_backup, traverse all the existing msk sockets to find
the relevant sockets, and call mptcp_pm_nl_mp_prio_send_ack to send out
a MP_PRIO ACK packet.
Finally in mptcp_nl_cmd_set_flags, set or clear the address's FLAG_BACKUP
flag.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
