Second set of fixes for v5.11. Like in last time we again have more
fixes than usual Actually a bit too much for my liking in this state
of the cycle, but due to unrelated challenges I was only able to
submit them now.
We have few important crash fixes, iwlwifi modifying read-only data
being the most reported issue, and also smaller fixes to iwlwifi.
mt76
* fix a clang warning about enum usage
* fix rx buffer refcounting crash
mt7601u
* fix rx buffer refcounting crash
* fix crash when unbplugging the device
iwlwifi
* fix a crash where we were modifying read-only firmware data
* lots of smaller fixes allover the driver
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Merge tag 'wireless-drivers-2021-01-26' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for v5.11
Second set of fixes for v5.11. Like in last time we again have more
fixes than usual Actually a bit too much for my liking in this state
of the cycle, but due to unrelated challenges I was only able to
submit them now.
We have few important crash fixes, iwlwifi modifying read-only data
being the most reported issue, and also smaller fixes to iwlwifi.
mt76
* fix a clang warning about enum usage
* fix rx buffer refcounting crash
mt7601u
* fix rx buffer refcounting crash
* fix crash when unbplugging the device
iwlwifi
* fix a crash where we were modifying read-only firmware data
* lots of smaller fixes all over the driver
* tag 'wireless-drivers-2021-01-26' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers: (24 commits)
mt7601u: fix kernel crash unplugging the device
iwlwifi: queue: bail out on invalid freeing
iwlwifi: mvm: guard against device removal in reprobe
iwlwifi: Fix IWL_SUBDEVICE_NO_160 macro to use the correct bit.
iwlwifi: mvm: clear IN_D3 after wowlan status cmd
iwlwifi: pcie: add rules to match Qu with Hr2
iwlwifi: mvm: invalidate IDs of internal stations at mvm start
iwlwifi: mvm: fix the return type for DSM functions 1 and 2
iwlwifi: pcie: reschedule in long-running memory reads
iwlwifi: pcie: use jiffies for memory read spin time limit
iwlwifi: pcie: fix context info memory leak
iwlwifi: pcie: add a NULL check in iwl_pcie_txq_unmap
iwlwifi: pcie: set LTR on more devices
iwlwifi: queue: don't crash if txq->entries is NULL
iwlwifi: fix the NMI flow for old devices
iwlwifi: pnvm: don't try to load after failures
iwlwifi: pnvm: don't skip everything when not reloading
iwlwifi: pcie: avoid potential PNVM leaks
iwlwifi: mvm: take mutex for calling iwl_mvm_get_sync_time()
iwlwifi: mvm: skip power command when unbinding vif during CSA
...
====================
Link: https://lore.kernel.org/r/20210126092202.6A367C433CA@smtp.codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/core/tso.c got recent support for USO, and this broke iwlfifi
because the driver implemented a limited form of GSO.
Providing ->gso_type allows for skb_is_gso_tcp() to provide
a correct result.
Fixes: 3d5b459ba0 ("net: tso: add UDP segmentation support")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Ben Greear <greearb@candelatech.com>
Tested-by: Ben Greear <greearb@candelatech.com>
Cc: Luca Coelho <luciano.coelho@intel.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=209913
Link: https://lore.kernel.org/r/20210125150949.619309-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If we get into a problem severe enough to attempt a reprobe,
we schedule a worker to do that. However, if the problem gets
more severe and the device is actually destroyed before this
worker has a chance to run, we use a free device. Bump up the
reference count of the device until the worker runs to avoid
this situation.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20210122144849.871f0892e4b2.I94819e11afd68d875f3e242b98bef724b8236f1e@changeid
In D3 resume flow, avoid the following race where sending
packets before updating the sequence number (sequence
number received from the wowlan status command response):
Thread 1:
__iwl_mvm_resume clears IWL_MVM_STATUS_IN_D3 and is cut
by thread 2 before reaching iwl_mvm_query_wakeup_reasons.
Thread 2:
iwl_mvm_mac_itxq_xmit calls iwl_mvm_tx_skb since
IWL_MVM_STATUS_IN_D3 is not set using a wrong sequence number.
Thread 1:
__iwl_mvm_resume continues and calls iwl_mvm_query_wakeup_reasons
updating the sequence number received from the firmware.
The next packet that will be sent now will cause sysassert 0x1096.
Fix the bug by moving 'clear IWL_MVM_STATUS_IN_D3' to after
sending the wowlan status command and updating the sequence
number.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20210122144849.fe927ec939c6.I103d3321fb55da7e6c6c51582cfadf94eb8b6c58@changeid
Having sta_id not set for aux_sta and snif_sta can potentially lead to a
hard to debug issue in case remove station is called without an add. In
this case sta_id 0, an unrelated regular station, will be removed.
In fact, we do have a FW assert that occures rarely and from the debug
data analysis it looks like sta_id 0 is removed by mistake, though it's
hard to pinpoint the exact flow. The WARN_ON in this patch should help
to find it.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20210122144849.5dc6dd9b22d5.I2add1b5ad24d0d0a221de79d439c09f88fcaf15d@changeid
The return type value of functions 1 and 2 were considered to be an
integer inside a buffer, but they can also be only an integer, without
the buffer. Fix the code in iwl_acpi_get_dsm_u8() to handle it as a
single integer value, as well as packed inside a buffer.
Signed-off-by: Matt Chen <matt.chen@intel.com>
Fixes: 9db93491f2 ("iwlwifi: acpi: support device specific method (DSM)")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20210122144849.5757092adcd6.Ic24524627b899c9a01af38107a62a626bdf5ae3a@changeid
In the new CSA flow, we remain associated during CSA, but
still do a unbind-bind to the vif. However, sending the power
command right after when vif is unbound but still associated
causes FW to assert (0x3400) since it cannot tell the LMAC id.
Just skip this command, we will send it again in a bit, when
assigning the new context.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20210115130252.64a2254ac5c3.Iaa3a9050bf3d7c9cd5beaf561e932e6defc12ec3@changeid
Also add documentation for 'mvm'.
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:400: warning: cannot understand function prototype: 'const u16 expected_tpt_legacy[IWL_RATE_COUNT] = '
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:684: warning: Function parameter or member 'mvm' not described in '_rs_collect_tx_data'
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:684: warning: Function parameter or member 'tbl' not described in '_rs_collect_tx_data'
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:684: warning: Function parameter or member 'scale_index' not described in '_rs_collect_tx_data'
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:684: warning: Function parameter or member 'attempts' not described in '_rs_collect_tx_data'
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:684: warning: Function parameter or member 'successes' not described in '_rs_collect_tx_data'
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:684: warning: Function parameter or member 'window' not described in '_rs_collect_tx_data'
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:2677: warning: duplicate section name 'NOTE'
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:2682: warning: Function parameter or member 'mvm' not described in 'rs_initialize_lq'
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:2682: warning: Function parameter or member 'sta' not described in 'rs_initialize_lq'
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:2682: warning: Function parameter or member 'lq_sta' not described in 'rs_initialize_lq'
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:2682: warning: Function parameter or member 'band' not described in 'rs_initialize_lq'
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:3761: warning: Function parameter or member 'mvm' not described in 'rs_program_fix_rate'
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:3761: warning: Function parameter or member 'lq_sta' not described in 'rs_program_fix_rate'
drivers/net/wireless/intel/iwlwifi/mvm/rs.c:4213: warning: Function parameter or member 'mvm' not described in 'iwl_mvm_tx_protection'
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Cc: Luca Coelho <luciano.coelho@intel.com>
Cc: Intel Linux Wireless <linuxwifi@intel.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201126133152.3211309-3-lee.jones@linaro.org
In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly using the fallthrough pseudo-keyword as a
replacement for a number of "fall through" markings.
Notice that Clang doesn't recognize "fall through" comments as
implicit fall-through.
Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201117135053.GA13248@embeddedor
When waiting for a notification and then processing it,
we also need to check the size of the data before we use
it. Most places do that already, but fix the remaining
ones to do it as well.
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.20201209231352.b29573bcba39.I4b7e72824d06dc0719a40021d933e29edfc14713@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The range response notification has several versions. Check the
notification size according to the expected notification version.
Notifications with incorrect size will be ignored.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20201209231352.ee57c3214d05.I810d7de33fb08001ef1a2e24714d5b68932e088e@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Previously, we added checks that the contained MPDU size is long
enough, but really we should also check that the notification
itself fits into the data. Add some checks for that.
Also add unlikely() annotations on the previously added checks.
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.20201209231352.51cc04cf1e3e.I7bfd6809f8f5feb75f79397646e6656e95688a0e@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
If the channel switch delay that we would incur after the channel
switch actually happens is longer than the quiet time we're willing
to tolerate, disconnect as well.
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.20201209231352.3bc3449922da.Ib0255deb67b2fc21317e274adcacb545bb1dc669@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
There are some races in the hardware that can possibly lead to
a bus lockup later during a restart when we manage to kill the
firmware at a bad time (while it's accessing the bus).
To work around this, add support for a new handshake between
firmware and driver to ensure that the firmware is in a well-
known state before we kill it.
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.20201209231352.7756fcc9865c.I13de65e0ffcb4186dd4c1a465f66df2e98c9a947@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
When we get a channel switch with a very long quiet period, we schedule
a work to disconnect after a while. This work runs in background. In the
meanwhile, we keep getting beacons and sending FW modify command for each.
This has a potential race, where we modify the CSA after we aborted it.
Protect the flow by setting csa_failed to true in case we abort, and check
it before sending the modify command.
This required a modification to the way we treat csa_failed in
iwl_mvm_post_channel_switch:
1. The variable isn't being reset anymore, so we can still look at it in
iwl_mvm_channel_switch_rx_beacon. This is fine, since we reset it when
starting a new CSA.
2. There is no more early return in case of csa_failed. This is fine,
since before this patch csa_failed was set only for GO, and for GO the
function is only resetting the power settings, which we want to restore
even in case of failure.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20201209231352.b023856bdf39.I4ed0149e0018fe5e1ae3c2a1cbc614954016063f@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
We send some data to the firmware and expect to get it back,
but we shouldn't really trust the firmware on this. Check the
size of all the data we send down to avoid using bad or just
uninitialized data when the firmware doesn't respond right.
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.20201209231352.a5a8173f16c7.I4fa68bb2b1c7dcc52ddd381c4042722d27c4a34d@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
We keep the scan status per UID in scan_uid_status field when the
iwl_mvm_build_scan_cmd() function is called. If we error out after
this, e.g. due to FW restart being in progress, we're not cleaning
up properly, and can run into warnings later.
Clean up internal variables when starting fails after calling the
iwl_mvm_build_scan_cmd() function.
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.20201209231352.970421a2f753.Id62b2da8a0ccccbb114407db82ca485d07749d39@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
We're currently doing accounting on the queue sync with an
atomic variable that counts down the number of remaining
notifications that we still need.
As we've been hitting issues in this area, modify this to
track a bitmap of queues, not just the number of queues,
and print out the remaining bitmap in the warning.
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.20201209231352.0a3fa177cd6b.I7c69ff999419368266279ec27dd618eb450908b3@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The argument type to iwl_mvm_notify_rx_queue() is currently just
a u8 *, but that's misleading because we actually need the inner
data to be of type struct iwl_mvm_internal_rxq_notif, because we
interpret it when we get it back from the device (to check the
sync bool and possibly the cookie.)
Therefore, clear up any potential confusion and require that the
data passed is of type struct iwl_mvm_internal_rxq_notif *.
Also, while at it, rename the "count" to "notif_size" as "count"
doesn't really clearly say what it's counting.
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.20201209231352.d28e14682bdc.I9ac366aa97db045be4daa4ba263267a3ac6a6a2f@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The MPDU contained in a notification shouldn't be larger than the
notification size itself is, validate this.
Reported-by: Haggai Abramovsky <haggai.abramovsky@intel.com>
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.20201209231352.7c721ad37014.Id5746874ecfa208b60baa62691b2d9dc5dd4d89c@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Similarly to what I did to iwl_run_init_mvm_ucode, there is no
need to pass the read_nvm parameter. Either we have an NVM
and we don't need to read it, or we don't and we need to read it.
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.20201209231352.1b764faecfee.I2da0ada577fc16268125a4a15b5e725c18c643ee@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Curretly we only mark HW error state "after" trying to collect HW data,
but if any HW error happens while colleting HW data we go into endless
loop. avoid this by setting HW error state "before" collecting HW data.
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.20201209231352.4c7e5a87da15.Ic35b2f28ff08f7ac23143c80f224d52eb97a0454@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Add support to the 6GHz band (aka. Ultra High Band or UHB). This
allows us to scan and connect to channels in that band, including all
the relevant features, such as preferred scan channels, colocated
channels etc.
Co-developed-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Co-developed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Co-developed-by: Tova Mussai <tova.mussai@intel.com>
Signed-off-by: Tova Mussai <tova.mussai@intel.com>
Co-developed-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Co-developed-by: Tali Levi Rovinsky <Tali.Levi-rovinsky@intel.com>
Signed-off-by: Tali Levi Rovinsky <Tali.Levi-rovinsky@intel.com>
Co-developed-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Co-developed-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20201210000657.0fdbfc3d7352.Idb648536faf21716e2ab2c6d6890d3e49f719cd3@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This command should be used only when there's a real client station.
Currently it works, but since soon the driver will stop actually having
an auxiliary station by default, and this command requires _some_ valid
station, it needs to be removed from this flow.
Signed-off-by: Naftali Goldstein <naftali.goldstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20201209231352.81b2acfe292b.I8c7372e6f72279e22966a2d0a9066521f9d2f1a0@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
First set of patches for v5.11. rtw88 getting improvements to work
better with Bluetooth and other driver also getting some new features.
mhi-ath11k-immutable branch was pulled from mhi tree to avoid
conflicts with mhi tree.
Major changes:
rtw88
* major bluetooth co-existance improvements
wilc1000
* Wi-Fi Multimedia (WMM) support
ath11k
* Fast Initial Link Setup (FILS) discovery and unsolicited broadcast
probe response support
* qcom,ath11k-calibration-variant Device Tree setting
* cold boot calibration support
* new DFS region: JP
wnc36xx
* enable connection monitoring and keepalive in firmware
ath10k
* firmware IRAM recovery feature
mhi
* merge mhi-ath11k-immutable branch to make MHI API change go smoothly
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Merge tag 'wireless-drivers-next-2020-12-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for v5.11
First set of patches for v5.11. rtw88 getting improvements to work
better with Bluetooth and other driver also getting some new features.
mhi-ath11k-immutable branch was pulled from mhi tree to avoid
conflicts with mhi tree.
Major changes:
rtw88
* major bluetooth co-existance improvements
wilc1000
* Wi-Fi Multimedia (WMM) support
ath11k
* Fast Initial Link Setup (FILS) discovery and unsolicited broadcast
probe response support
* qcom,ath11k-calibration-variant Device Tree setting
* cold boot calibration support
* new DFS region: JP
wnc36xx
* enable connection monitoring and keepalive in firmware
ath10k
* firmware IRAM recovery feature
mhi
* merge mhi-ath11k-immutable branch to make MHI API change go smoothly
* tag 'wireless-drivers-next-2020-12-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next: (180 commits)
wl1251: remove trailing semicolon in macro definition
airo: remove trailing semicolon in macro definition
wilc1000: added queue support for WMM
wilc1000: call complete() for failure in wilc_wlan_txq_add_cfg_pkt()
wilc1000: free resource in wilc_wlan_txq_add_mgmt_pkt() for failure path
wilc1000: free resource in wilc_wlan_txq_add_net_pkt() for failure path
wilc1000: added 'ndo_set_mac_address' callback support
brcmfmac: expose firmware config files through modinfo
wlcore: Switch to using the new API kobj_to_dev()
rtw88: coex: add feature to enhance HID coexistence performance
rtw88: coex: upgrade coexistence A2DP mechanism
rtw88: coex: add action for coexistence in hardware initial
rtw88: coex: add function to avoid cck lock
rtw88: coex: change the coexistence mechanism for WLAN connected
rtw88: coex: change the coexistence mechanism for HID
rtw88: coex: update AFH information while in free-run mode
rtw88: coex: update the mechanism for A2DP + PAN
rtw88: coex: add debug message
rtw88: coex: run coexistence when WLAN entering/leaving LPS
Revert "rtl8xxxu: Add Buffalo WI-U3-866D to list of supported devices"
...
====================
Link: https://lore.kernel.org/r/20201203185732.9CFA5C433ED@smtp.codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
During CSA, we briefly nullify the phy context, in __iwl_mvm_unassign_vif_chanctx.
In case we have a FW assert right after it, it remains NULL though.
We end up running into endless loop due to mac80211 trying repeatedly to
move us to ASSOC state, and we keep returning -EINVAL. Later down the road
we hit a kernel panic.
Detect and avoid this endless loop.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20201107104557.d64de2c17bff.Iedd0d2afa20a2aacba5259a5cae31cb3a119a4eb@changeid
We use mvm->queue_sync_state to wait for synchronous queue sync
messages, but if an async one happens inbetween we shouldn't
clear mvm->queue_sync_state after sending the async one, that
can run concurrently (at least from the CPU POV) with another
synchronous queue sync.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Fixes: 3c514bf831 ("iwlwifi: mvm: add a loose synchronization of the NSSN across Rx queues")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20201107104557.51a3148f2c14.I0772171dbaec87433a11513e9586d98b5d920b5f@changeid
We need to feed the configuration id to remove session protection
properly.
Remember the conf_id when we add the session protection so that we
can give it back when we want to remove the session protection.
While at it, slightly improve the kernel doc for the conf_id
of the notification.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Fixes: fe959c7b20 ("iwlwifi: mvm: use the new session protection command")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20201107104557.3642f730333d.I01a98ecde62096d00d171cf34ad775bf80cb0277@changeid
The ROC that runs on the AUX ROC (meaning an ROC on the STA vif),
was added with the HOT_SPOT_CMD firmware command and must be
cancelled with that same command.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Fixes: fe959c7b20 ("iwlwifi: mvm: use the new session protection command")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20201107104557.a317376154da.I44fa3637373ba4bd421cdff2cabc761bffc0735f@changeid
Currently, our max tpt is limited to max HT A-MPDU for LB,
and max VHT A-MPDU for HB. Configure HE exponent value correctly to
achieve HE max A-MPDU, both on LB and HB.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20201107104557.4486852ebb56.I9eb0d028e31f183597fb90120e7d4ca87e0dd6cb@changeid
When adding support for version 3 of the GEO_TX_POWER_LIMIT command,
the table argument of iwl_sar_geo_init was changed from a pointer a 1d
array of now-removed iwl_per_chain_offset_group_v1 to a pointer to a 2d
array of iwl_per_chain_offset (iwl_per_chain_offset_group_v1 was a
struct containing 2 copies of iwl_per_chain_offset).
So even for version 2 where the second dimension is of length 2, which
means that the underlying memory layout of the array didn't change, this
requires a small change in the way we loop over it, and this was missed.
Additionally, for the case of version 3 where the second dimension is now
3, in order to fill the first two elements of each row correctly (lb and
hb), iwl_sar_geo_init must get the true number of bands supported.
But because we don't yet store any values for the 3rd (uhb) band, skip
that band.
Signed-off-by: Naftali Goldstein <naftali.goldstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20201008181047.73605b6e0548.Id0ec98333277ff9e017e3938ae413b34acc68947@changeid
iwl_mvm_wowlan_program_keys is now setting data directly in
the KEK_KCK command, and the memset is clearing this later,
causing the data to be incomplete.
Just remove the memory clearing, the structure is local and
cleared in the declaration.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20201008181047.0f355b4578c5.Ifbb76a2814925f215a2c889c1792d46d5bd66ab8@changeid
