This is a bit that tells the firmware to wait for the
PHY_CONFIGURATION_CMD before completing its init sequence.
Clarify this in the comment.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250205145347.097510347ae2.Ica00b4b30163a21bf993fa968dd406ee4023fc9e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We'll have devices that are EHT capable but don't support 320 MHz and
those devices look like the 320 MHz capable devices, but have distinct
subsystem ID.
We already had the same type of differentiation for HE devices that
support 160 MHz or not.
Enhance that mechanism and now the _IWL_DEV_INFO macro gets an
indication whether the bandwidth should be limited for that specific
device.
The subsystem ID gives a binary answer about the bandwidth limitation
and iwl_pci_find_dev_info() compares this to the list of _IWL_DEV_INFO
entries.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250205145347.1ba406c538a5.I6e24123f60a764aedfeaaac8768c26e136c320cf@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Re-probing if we had 2 firmware crash within 3 minutes is really too
aggressive. Drastically reduce the threshold to 7 seconds.
After 7 seconds, a new firmware crash will be considered "new" and not
cause a PCI re-probe.
This allows to pass tests that cause a firmware crash every 10 seconds
and expect to see no impact on the traffic.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250205145347.38f912b047f4.I03f0c10ae9e7ecea639431f3e089b757cc8a4347@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
As MLO link configuration is supported by mac80211, indicate
support for MLO link reconfiguration in station mode.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
----------------
depends on "wifi: ieee80211: Add some missing MLO related definitions"
Link: https://patch.msgid.link/20250205145347.92d19705d2b9.Id07fa3ebad6bc23ecf6e91868f67150ce70f47b0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We're adding a new IWLMLD opmode for just BZ and later
devices. If that's enabled but IWLMVM isn't, the build
fails because 22000 family configs aren't built but BZ
and later refer to it. Rather than trying to make some
new file to build it in all cases, just copy the small
struct.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250205145347.1d6186c23bee.I3c61a6c9e0db3ba6eea4dac63e1547945ad01703@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Despite not being able to sustain the full 320 MHz throughput
even at MCS 9, enable 320 MHz on slow PCIe links. This may in
some cases result in frames being dropped (on the air) by the
firmware if they cannot be delivered to the host, but it can
still be better to use 320 MHz.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250205145347.1e5356a3b124.I1224023721aaeff8ebcaa47dff88613c7fd0533a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
During reprobe, the sw state is being destroyd, and so is the
connection. When the peer STA is being removed, the opmode sends a
command to flush the TXQs of the STA and uses iwl_trans_wait_txq_empty.
This one warns if the FW is not alive, but it really shouldn't if
there is a FW error - and return silently instead, just like we do when
sending a hcmd.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250205145347.76425b10e5a0.I3bf0de2eb090a8b94c4e36d93dd91df61fadb808@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Created a common function iwl_add_mcc_to_tas_block_list() to handle the
operations previously performed by iwl_mld_add_to_tas_block_list() and
iwl_mvm_add_to_tas_block_list(). moved this new function to regulatory.c
to better reflect its purpose and improve code organization.
Signed-off-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250205145347.157d26fb7f02.I87e20e967835bc895be390daf1c6637e20b52aae@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Renamed iwl_mvm_eval_dsm_rfi() to iwl_rfi_is_enabled_in_bios() to better
reflect the function's operation. Additionally, moved the function to the
regulatory.c file for better organization. optimize local variable
usage in it.
Signed-off-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250205145347.b7ac9d05234e.Ieb623d7e8dca6bb6a5733682b31e4ff1e39373f0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The last use of iwl_ax204_name[], iwl_ax221_name[] and iwl_cfg_so_a0_ms_a0
was removed by
commit f473a7fd6d ("wifi: iwlwifi: remove devices that never came out")
Remove them.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241223013202.340180-7-linux@treblig.org
iwl_bz_name[] has been unused since the resent
commit 6795a37161 ("wifi: iwlwifi: Print a specific device name.")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241223013202.340180-6-linux@treblig.org
iwl_mvm_ftm_add_pasn_sta() was added in 2020 by
commit 0739a7d70e ("iwlwifi: mvm: initiator: add option for adding a
PASN responder")
but hasn't been used.
Remove it.
That was the only caller of iwl_mvm_ftm_remove_pasn_sta().
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241223013202.340180-5-linux@treblig.org
iwl_mvm_ftm_respoder_add_pasn_sta() and
iwl_mvm_ftm_resp_remove_pasn_sta() were added in 2020 by
commit be82ecd3a5 ("iwlwifi: mvm: add an option to add PASN station")
but have remained unused.
Remove them.
After that removal iwl_mvm_add_pasn_sta() is now unused.
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241223013202.340180-4-linux@treblig.org
iwl_mvm_rx_missed_vap_notif() was added in 2019 by
commit 449a29d0fe ("iwlwifi: mvm: add notification for missed VAP")
but hasn't been used.
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241223013202.340180-3-linux@treblig.org
iwl_rx_ant_restriction() was added in 2009 by
commit 46f9381aa3 ("iwlwifi: Thermal Throttling Management - part 2")
but never used.
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241223013202.340180-2-linux@treblig.org
libipw_rx_any() was added in 2006 by commit 1a995b45a5 ("[PATCH]
ieee80211_rx_any: filter out packets, call ieee80211_rx or ieee80211_rx_mgt")
as ieee80211_rx_any but is currently unused and I can't find any sign it was
used under either name.
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20250122022240.456198-1-linux@treblig.org
Extend TAS_CONFIG to send exact data read from bios to firmware
without filtering/altering bios data. This enables driver becoming
purely a pipe for TAS features.
Signed-off-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241231135726.f46d58e7cfd1.Ifd81e632fa3e7039b8d139ee0d1c24e09669dff5@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
All newer devices now require PNVM files, so don't list them
separately but simply generate the relevant MODULE_FIRMWARE()
declarations together. This simplifies the code and adds a
large number of missing PVNM declarations.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241231135726.302e521e08e9.I782513432d3dcbf801e8262522ded95302548e1c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There are two cases in which the min_def isn't used:
a) if FILS will be enabled
b) if FTM responder is enabled
Both of these apply to AP mode only, but for FILS we're
not checking that right now. Change the code to iterate
the interfaces and links using the channel context, and
check for AP mode for both, not just for FTM responder.
In the case of iwl_mvm_enable_fils() this might also fix
an issue where FILS is enabled for an IBSS network that
happens to be started on 6 GHz, though that's not very
likely to be possible due to regulatory.
However for RX OMI bandwidth reduction the driver needs
to use the min_def in client mode as well, in order to
actually reduce bandwidth when it requested that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241231135726.7b91025e103d.I4c99c03fd32363d574ab5e34798b6099401f0729@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If the normal reset methods don't work well, attempt to
escalate to ever increasing methods. TOP reset will only
be available for SC (and presumably higher) devices, and
still needs to be filled in.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241231135726.804e005403d8.I9558f09cd68eec16b02373b1e47adafd28fdffa3@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The TOP is a shared (between BT and WiFi) hardware component,
and if it has an error we need to reset the whole device, i.e.
both BT and WiFi. This is achieved by calling a specific ACPI
DSM (device-specific method) with the right arguments before
doing a reset via the object referenced by _PRR.
Since this is needed here, but a function reset will always do
better than just re-enumerating the bus in case of errors, we
can always try to at least do a function reset and do the full
product reset only when needed for TOP errors.
Also, for some Bz and Sc devices where BT is PCIe/IOSF as well,
find the BT device and unbind that device as well so the BT
driver can recover from the reset that's going to happen,
rather than having to somehow detect that the device was reset.
Also add - currently unused - the function reset mode, this is
going to get used in the upcoming escalation model.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241231135726.5b0f846d3e13.Ia14ccac38ac3d48adf5f341b17c7e34ccc41c065@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In order to know whether or not a product reset can safely
be done (without risking locking up the system completely),
check for ME presence with the known methods.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241231135726.0ac9173f1f37.Id83b80b61548b8f4f01e96a356dafe063543c4ac@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
iwl_ssid_exist() seems to check if a given ssid/ssid_len already
exists in a given array ssid_list.
Correctly compare the ssid to the SSID of each array element
(with a matching SSID length) to better remove duplicates.
Signed-off-by: Bjoern A. Zeeb <bz@FreeBSD.org>
Sponsored by: The FreeBSD Foundation
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Daniel Gabay <daniel.gabay@intel.com>
Link: https://patch.msgid.link/20241229164246.4471cd3d8dba.Iab8409b22bf6f01d05571ecef1e97dd3c8b1cc75@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Smatch reported that we dereference the data pointer to calculate the
expected length before we check it's not NULL. While this is true (and
hence needs to be fixed), this will never happen because the data
pointer comes from struct iwl_rx_packet object which has the following
layout:
struct iwl_rx_packet {
__le32 len_n_flags;
struct iwl_cmd_header hdr;
u8 data[];
} __packed;
So, if the pointer to iwl_rx_packet is valid, data will be valid as
well.
Remove the NULL pointer check on 'data' to avoid confusing smatch.
Also remove the check from similar functions in the same flow that were
cargo cult copy-pasted.
Fixes: 4635e6eaa0 ("wifi: iwlwifi: mvm: support new versions of the wowlan APIs")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202411210812.0eLaonw3-lkp@intel.com/
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241229164246.c8ce6e041e4b.I4dc19289e3f3807386768c846e08be3ea322cd15@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This should be comparing the AP STA, not the deflink firmware STA
ID. Correct the implementation so that statistics can be requested
for the AP, but not for other stations that may end up with the
firmware STA ID matching 0 in the deflink, or so.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241229164246.08b05aca37cf.Iba1a6a637a758691f710dc4f3f03bd1d960fb087@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When handling TX_CMD notification, for mgmt frames tid is equal
to IWL_MAX_TID_COUNT, so with the current logic we'll count
that as MPDU, fix that.
Fixes: ec0d43d26f ("wifi: iwlwifi: mvm: Activate EMLSR based on traffic volume")
Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241229164246.80b119bb5d08.I31b1e8ba25cce15819225e5ac80332e4eaa20c13@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The API isn't really MVM specific, it's just the firmware
API. Remove the "MVM_" from the name here as well, as we've
already done in many other places.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241229164246.66e17791c392.I6998e263973c26c1e22b4f470b974a519011b29a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When iterating over the links of a vif, we need to make sure that the
pointer is valid (in other words - that the link exists) before
dereferncing it.
Use for_each_vif_active_link that also does the check.
Fixes: 2b7ee1a10a ("wifi: iwlwiif: mvm: handle the new BT notif")
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://patch.msgid.link/20241229164246.31d41f7d3eab.I7fb7036a0b187c1636b01970207259cb2327952c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
My recent restart related work has made this race more likely
to happen and we've now noticed it, but it seems that it was
always possible. The race is that the add stream work can be
scheduled just before a restart is scheduled and then execute
before the restart, accessing the device while it's doing the
restart and not accessible.
To fix this, check if the device is restarting and abort the
work in that case. Reschedule it after the restart as well.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241228223206.9c30af039b4d.I1a32936776f8ba5e83dda0a68ffc2722d9d37950@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
By convention the newest version of a command/notification structure is
named with out the _ver_# suffix. Apply to stored_beacon_notif.
Signed-off-by: Yedidya Benshimol <yedidya.ben.shimol@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241228223206.e2140aa3c65b.Ie851bdda6df02dcc352bf765a3ec6bdac45c65a2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
A caller of iwl_acpi_get_dsm_object must free the returned object.
iwl_acpi_get_dsm_integer returns immediately without freeing
it if the expected size is more than 8 bytes. Fix that.
Note that with the current code this will never happen, since the caller
of iwl_acpi_get_dsm_integer already checks that the expected size if
either 1 or 4 bytes, so it can't exceed 8 bytes.
While at it, print the DSM value instead of the return value, as this
was the intention in the first place.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241228223206.bf61eaab99f8.Ibdc5df02f885208c222456d42c889c43b7e3b2f7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Usually each struct that represent an API needs to have a comment
specifying all the versions of the API that this struct corresponds to.
iwl_tx_cmd_gen3 was long supporting also version 10. Say that.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://patch.msgid.link/20241228223206.83d681dc9cf7.I355270fb20b23978d9402cb70caf52a0108b8cd4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The register 0x000 is now really boot control, and some
of the old bit names were (even for old hardware) not
reflecting the names on the hardware side; rename them
in the driver to align the naming.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241228223206.6f25be160619.I3ffc9601e99dc414a9ae54a0d90c9d20c0253da5@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Since iwl_fw_error_collect() is now always called with the sync
argument set to true, to collect data synchronously, remove the
argument from it entirely.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.08f515513e88.I780a557743ca7f029f46a1cc75d0799542e39d83@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In order to later add the ability to do deeper resets of the
device when it crashes, first restructure the firmware error
handling. Instead of having just a single nic_error() method
that handles all, split it:
- nic_error() just handles and prints the error itself,
- dump_error() synchronously creates an error dump, and
- sw_reset() will be called to request doing a SW reset.
This changes the architecture so that the transport is now
responsible for deciding how to do the reset, and therefore
the handling of reprobe if error occurs during reconfig
moves there, which necessitates adding a method there that
notifies the transport that the recovery was completed.
Actually introducing the model under which deeper resets can
be done will be in future patches.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.6d4f741ae907.I96a9243e7877808ed6d1bff6967c15d6c24882f0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When some channel context manipulations fail, the device
is going to be restarted to try to recover. Make this go
through a real FW restart via an NMI so the transport is
aware of it and can later handle escalation, and to make
it easier to restructure the code later.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.96b732029d20.I2e729f402db58a76cea620b6f62a02da49a10b48@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Except for some special handling in DVM, error dump and some
message behaviour, cmd_queue_full and nic_error are equivalent
now. Unify by giving a special error type, so DVM can continue
to differentiate.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.0222183504aa.Ie29cef75fbd91b64a43619bc36bd5b29c5b9f957@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Approximately three years ago, in commit ddb6b76b6f
("iwlwifi: yoyo: support TLV-based firmware reset"), the code
was (likely erroneously) changed to no longer treat error
interrupts as firmware errors. As a result, this meant that
the fw_restart counter was only applied in case of command
queue being stuck, which never seems to happen. Also, there's
no longer any way to set the mvm->fw_restart to a value that
doesn't match exactly the module parameter behaviour.
Instead of trying to fix this, simply remove the logic that
limits the number of restarts, it's clearly unused.
However, restore the logic that restart isn't unconditional,
by checking the module parameter.
Since the "fw_error" argument to iwl_mvm_nic_restart() is now
always true (except in the "never happens" case of CMD queue
stuck), just remove it too and treat command queue stuck the
same way as everything else.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.b0489daf323c.I0cd3233b2214c5f06e059f746041b19d08647e40@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Now that the retry loop only happens when timeouts occur
and firmware errors are different, we no longer need the
STARTING state with all the infrastructure for it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.c55d73436521.I08e9f6a71d56f86872bca4d4e3048faa113a7120@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We had reverted the retry loop removal because of an issue
with PNVM loading, but that issue manifests as timeouts.
Since the retries aren't needed in other cases, only do
them when there were timeouts while starting, not other
errors.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.98201c79f66d.I5d7e12b219d533c6a77741ec5863984d35711f48@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We had reverted the retry loop removal because of an issue
with PNVM loading, but that issue manifests as timeouts.
Since the retry loops aren't needed in other cases, only
do them when there were timeouts while loading, not other
errors.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.a21bf40b0fd3.I70166e460906d6d183359889d7543b9c587b7182@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In order to restrict the retry loops for timeouts, first
pass the error code up using ERR_PTR(). This of course
requires all existing functions to be updated accordingly.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.3fe5031d5784.I7307996c91dac69619ff9c616b8a077423fac19f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
These comments have kernel-doc markup and were meant to
be handled as such, add the right /** marker to them.
Add missing entries where needed.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.c5c04b641479.I702b8122d307a0d9d09df038cda10be063f7f2d7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
For certain platforms, it may necessary to use the STEP in URM
(ultra reliable mode.) Read the necessary flags from the BIOS
(ACPI or UEFI) and indicate the chosen mode to the firmware in
the context info. Whether or not URM really was configured is
already read back later, to adjust capabilities accordingly.
Signed-off-by: Somashekhar(Som) <somashekhar.puttagangaiah@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Daniel Gabay <daniel.gabay@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.b30024905de3.If3c578af2c15f8005bbe71499bc4091348ed7bb0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This variable exists for the "common" (WiFi/BT) GUID, not the
WiFi-only GUID. Fix that by passing the GUID to the function.
A short-cut for the wifi-only version remains so not all code
must be updated.
However, rename the GUID defines to be clearer.
Fixes: 09b4c35d73 ("wifi: iwlwifi: mvm: Support STEP equalizer settings from BIOS.")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Daniel Gabay <daniel.gabay@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.89a5ad921b6d.Idae95a70ff69d2ba1b610e8eced826961ce7de98@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This is becoming the link_id. Since this makes no difference on non-MLD
devices, just rename to link_id for all the APIs that use the common
structure.
Starting from command 9, feed the link_id to the firmware instead of the
mac id.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.f1155e713201.I753900d10e82f339cf9679ed403027d38dc1fd58@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The statistics are not synchronized with the time that we enter EMLSR.
This means that we can receive the statistic notification just after
having cleared the counters, causing us to immediately exit EMLSR again.
Fix this by checking that most of the time for the window has passed. If
that is not the case, ignore this window and wait for the next
notification.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.0eb0f2044535.Ic2af92737ccfc873f3b6c228704238ebb9f983ca@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Due to the firmware allocating the BAID, we can only install
the data structure after the BAID is valid from the firmware's
point of view. As a result, the firmware can start sending
frame release notifications to the driver immediately. This
isn't supposed to happen by protocol, since the peer STA is
not expected to use the blockack session until the AddBA has
a response. However, firmware doesn't know that, our RX path
can't know when it was, so simply don't WARN in this case but
only have a debug message.
Since the BAID comes from firmware, also use IWL_FW_CHECK()
instead of a warning for the validity check.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.4360f2b9e185.I447f9a5fc6dfdc78ec238200338e2da040ee7e61@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Instead of differentiating only sync/async, differentiate
the type of error, and document that only reset handshake
timeout (IWL_ERR_TYPE_RESET_HS_TIMEOUT) needs sync handling.
The special sync handling is somewhat temporary, the idea
is to later split the nic_error() method into error dump,
synchronizing the dump, and SW reset methods, and the type
is mostly in order to unify command queue full handling
into that new architecture as well.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.aed9c9e4fac0.I2288042bec4728a75b61cb7f6ded5214bfa3ce85@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
extend TAS table support to revision 2 for getting UHB canada
enablement from BIOS and send to firmware via TAS_CONFIG cmd
based on firmware capability. While on it fixed kernel-doc for
struct iwl_tas_config_cmd_v4.
Signed-off-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241226174257.0b1d92ad59b8.Ib80f8514a64fc2800a2a20131e730c2bd9c4c4af@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Use IWL_FW_CHECK() for BAR notification size validation, improving
diagnostics with a clear error message on failure.
Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241226174257.913d5d476929.I8cd62f45bacc088c309b0152fc392dc2579e82e0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Commit 6b3e87cc0c ("iwlwifi: Add support for LARI_CONFIG_CHANGE_CMD
cmd v9")
added a few bits to iwl_lari_config_change_cmd::oem_unii4_allow_bitmap
if the FW has LARI version >= 9.
But we also need to send those bits for version 8 if the FW is capable
of this feature (indicated with capability bits)
Add the FW capability bit, and set the additional bits in the cmd when
the version is 8 and the FW capability bit is set.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241226174257.dc5836f84514.I1e38f94465a36731034c94b9811de10cb6ee5921@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Commit ef7ddf4e2f ("iwlwifi: Add support for LARI_CONFIG_CHANGE_CMD v12")
added a few bits to iwl_lari_config_change_cmd::chan_state_active_bitmap
if the FW has LARI version >= 12.
But we also need to send those bits for version 8-11 if the FW is capable
of this feature (indicated with capability bits)
Add the FW capability bit, and set the additional bits in the cmd when
the version is 8 and the FW capability bit is set.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241226174257.672651ad849c.I67a00d9544c48ad964f8e998ebe8c168071c3d01@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We only logged an error in the fast resume path. However, as the
hardware is being restarted it makes sense to log an error to make it
easier to understand what is happening.
Add a new error message into the normal resume path and update the
error in the fast resume path to match.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241226174257.df1e451d4928.Ibe286bc010ad7fecebba5650097e16ed22a654e4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Enhance the documentation for the enum iwl_nvm_channel_flags to
provide better clarity for NVM_CHANNEL_IBSS and NVM_CHANNEL_ACTIVE flags
Signed-off-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241226174257.d4018e62b2bd.Ie20fe3408bcc358078e3e5bf38edeb6b951c9a40@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Currently driver requests periodic statistics after entering EMLSR.
This means that when not in EMLSR, link selection decisions will be
done based on old statistics, from the association time.
Request periodic statistics already at association instead,
Signed-off-by: Somashekhar(Som) <somashekhar.puttagangaiah@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241226174257.4ca59fe0e060.Ic46280aad4dc7087a7d6d0773b86c255133cb7d6@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Now it neither sets the ret argument or return something else than
false.
Cleanup this function to be void and to not receive the ret argument.
This also allows to get rid of the sta_in_fw parameter in
iwl_mvm_mld_free_sta_link.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241224192322.ecebfa16c62c.Ia1cc352b871593be4f51cb3db98f9eedd5267857@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Currently, the sequence goes like this (among others):
1. flush all stations (including the AP ones) -> this will tell the
drivers to remove the stations
2. notify the driver the vif is not associated.
Which means that in between 1 and 2, the state is that the vif is
associated, but there is no AP station, which makes no sense, and may be
problematic for some drivers (for example iwlwifi)
Change the sequence to:
1. flush the TDLS stations
2. move the AP station to IEEE80211_STA_NONE
3. notify the driver about the vif being unassociated
4. flush the AP station
In order to not break other drivers, add a vif flag to indicate whether
the driver wants to new sequence or not. If the flag is not set, then
things will be done in the old sequence.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241224192322.996ad1be6cb3.I7815d33415aa1d65c0120b54be7a15a45388f807@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
in iwl_mvm_sta_del we call iwl_mvm_sec_key_remove_ap with link id 0,
when it might actually be something else, causing us to skip all
the keys.
Since the call to iwl_mvm_sec_key_remove_ap was mostly skipped (because
for STA mode we are not removing the ap sta immediately, but later when
the vif is set to unassocicated),
this was fine.
The other call to iwl_mvm_sec_key_remove_ap, when we actually do remove the
ap sta, was called with the right link id. So the bug didn't happen so far.
Now that mac80211 is going to change such that we can immediately
remove the ap sta, the call to iwl_mvm_sec_key_remove_ap with link id 0
will not be skipped, so no key will be removed, and then when
mac80211 eventually tells us to remove that keys, we no longer have the
sta ids for them.
Simply pass the right link id to iwl_mvm_sec_key_remove_ap.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241224192322.db7a5f551492.I79fe16a14fa0bb20751ba2526c3195fef39ef772@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This code is only relevant for older devices, that are not supporting
mld, so shouldn't be in iwl_mvm_sta_del, which is common to both pre-mld
and mld.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://patch.msgid.link/20241224192322.a665d16a3857.I840b00a7b38f3967ec5e75ff6a85e756f4d82437@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The inverse value is stored in the table, make the documentation match the code.
Signed-off-by: Rolf Eike Beer <eb@emlix.com>
Acked-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/2008554.usQuhbGJ8B@devpool47.emlix.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
THe last use of il_get_single_channel_number() was removed in 2011 by
commit dd6d2a8aef ("iwlegacy: remove reset rf infrastructure")
when it was still called iwl_legacy_get_single_channel_number.
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20241226011355.135417-3-linux@treblig.org
The last use of il3945_calc_db_from_ratio() was removed in 2010 by
commit ed1b6e99b5 ("iwlwifi: remove noise reporting")
when it was still called iwl3945_calc_db_from_ratio().
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20241226011355.135417-2-linux@treblig.org
Multi-Link Operation implementation continues, both in stack and in
drivers. Otherwise it has been relatively quiet.
Major changes:
cfg80211/mac80211
* define wiphy guard
* get TX power per link
* EHT 320 MHz channel support for mesh
ath11k
* QCA6698AQ support
ath9k
* RX inactivity detection
rtl8xxxu
* add more USB device IDs
rtw88
* add more USB device IDs
* enable USB RX aggregation and USB 3 to improve performance
rtw89
* PowerSave flow for Multi-Link Operation
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Merge tag 'wireless-next-2024-12-19' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.14
Multi-Link Operation implementation continues, both in stack and in
drivers. Otherwise it has been relatively quiet.
Major changes:
cfg80211/mac80211
- define wiphy guard
- get TX power per link
- EHT 320 MHz channel support for mesh
ath11k
- QCA6698AQ support
ath9k
- RX inactivity detection
rtl8xxxu
- add more USB device IDs
rtw88
- add more USB device IDs
- enable USB RX aggregation and USB 3 to improve performance
rtw89
- PowerSave flow for Multi-Link Operation
* tag 'wireless-next-2024-12-19' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (121 commits)
wifi: wlcore: sysfs: constify 'struct bin_attribute'
wifi: brcmfmac: clarify unmodifiable headroom log message
wifi: brcmfmac: add missing header include for brcmf_dbg
wifi: brcmsmac: add gain range check to wlc_phy_iqcal_gainparams_nphy()
wifi: qtnfmac: fix spelling error in core.h
wifi: rtw89: phy: add dummy C2H event handler for report of TAS power
wifi: rtw89: 8851b: rfk: remove unnecessary assignment of return value of _dpk_dgain_read()
wifi: rtw89: 8852c: rfk: refine target channel calculation in _rx_dck_channel_calc()
wifi: rtlwifi: pci: wait for firmware loading before releasing memory
wifi: rtlwifi: fix memory leaks and invalid access at probe error path
wifi: rtlwifi: destroy workqueue at rtl_deinit_core
wifi: rtlwifi: remove unused check_buddy_priv
wifi: rtw89: 8922a: update format of RFK pre-notify H2C command v2
wifi: rtw89: regd: update regulatory map to R68-R51
wifi: rtw89: 8852c: disable ER SU when 4x HE-LTF and 0.8 GI capability differ
wifi: rtw89: disable firmware training HE GI and LTF
wifi: rtw89: ps: update data for firmware and settings for hardware before/after PS
wifi: rtw89: ps: refactor channel info to firmware before entering PS
wifi: rtw89: ps: refactor PS flow to support MLO
wifi: mwifiex: decrease timeout waiting for host sleep from 10s to 5s
...
====================
Link: https://patch.msgid.link/20241219185709.774EDC4CECE@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Both struct cfg80211_wowlan_nd_match and struct cfg80211_wowlan_nd_info
pre-allocate space for channels and matches, but then may end up using
fewer that the full allocation. Shrink the associated counter
(n_channels and n_matches) after counting the results. This avoids
compile-time (and run-time) warnings from __counted_by. (The counter
member needs to be updated _before_ accessing the array index.)
Seen with coming GCC 15:
drivers/net/wireless/intel/iwlwifi/mvm/d3.c: In function 'iwl_mvm_query_set_freqs':
drivers/net/wireless/intel/iwlwifi/mvm/d3.c:2877:66: warning: operation on 'match->n_channels' may be undefined [-Wsequence-point]
2877 | match->channels[match->n_channels++] =
| ~~~~~~~~~~~~~~~~~^~
drivers/net/wireless/intel/iwlwifi/mvm/d3.c:2885:66: warning: operation on 'match->n_channels' may be undefined [-Wsequence-point]
2885 | match->channels[match->n_channels++] =
| ~~~~~~~~~~~~~~~~~^~
drivers/net/wireless/intel/iwlwifi/mvm/d3.c: In function 'iwl_mvm_query_netdetect_reasons':
drivers/net/wireless/intel/iwlwifi/mvm/d3.c:2982:58: warning: operation on 'net_detect->n_matches' may be undefined [-Wsequence-point]
2982 | net_detect->matches[net_detect->n_matches++] = match;
| ~~~~~~~~~~~~~~~~~~~~~^~
Cc: stable@vger.kernel.org
Fixes: aa4ec06c45 ("wifi: cfg80211: use __counted_by where appropriate")
Signed-off-by: Kees Cook <kees@kernel.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://patch.msgid.link/20240619211233.work.355-kees@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
- avoid CSA warnings during link removal
(by changing link bitmap after remove)
- fix # of spatial streams initialisation
- fix queues getting stuck in some CSA cases
and resume failures
- fix interface address when switching monitor mode
- fix MBSS change flags 32-bit stack corruption
- more UBSAN __counted_by "fixes" ...
- fix link ID netlink validation
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Merge tag 'wireless-2024-12-10' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
A small set of fixes:
- avoid CSA warnings during link removal
(by changing link bitmap after remove)
- fix # of spatial streams initialisation
- fix queues getting stuck in some CSA cases
and resume failures
- fix interface address when switching monitor mode
- fix MBSS change flags 32-bit stack corruption
- more UBSAN __counted_by "fixes" ...
- fix link ID netlink validation
* tag 'wireless-2024-12-10' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: cfg80211: sme: init n_channels before channels[] access
wifi: mac80211: fix station NSS capability initialization order
wifi: mac80211: fix vif addr when switching from monitor to station
wifi: mac80211: fix a queue stall in certain cases of CSA
wifi: mac80211: wake the queues in case of failure in resume
wifi: cfg80211: clear link ID from bitmap during link delete after clean up
wifi: mac80211: init cnt before accessing elem in ieee80211_copy_mbssid_beacon
wifi: mac80211: fix mbss changed flags corruption on 32 bit systems
wifi: nl80211: fix NL80211_ATTR_MLO_LINK_ID off-by-one
====================
Link: https://patch.msgid.link/20241210130145.28618-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch replaces spaces with tabs in the affected source files to
adhere to the Linux kernel coding style guidelines.
This change is purely stylistic and do not affect the functionality
of the code.
Signed-off-by: Juan José Arboleda <soyjuanarbol@gmail.com>
Link: https://patch.msgid.link/715c74c74b336bed81e92e1336bd1a6ddb7b90ff.1724103043.git.soyjuanarbol@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If we got an unprotected action frame with CSA and then we heard the
beacon with the CSA IE, we'll block the queues with the CSA reason
twice. Since this reason is refcounted, we won't wake up the queues
since we wake them up only once and the ref count will never reach 0.
This led to blocked queues that prevented any activity (even
disconnection wouldn't reset the queue state and the only way to recover
would be to reload the kernel module.
Fix this by not refcounting the CSA reason.
It becomes now pointless to maintain the csa_blocked_queues state.
Remove it.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Fixes: 414e090bc4 ("wifi: mac80211: restrict public action ECSA frame handling")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219447
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241119173108.5ea90828c2cc.I4f89e58572fb71ae48e47a81e74595cac410fbac@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Merge tag 'pci-v6.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Make pci_stop_dev() and pci_destroy_dev() safe so concurrent
callers can't stop a device multiple times, even as we migrate from
the global pci_rescan_remove_lock to finer-grained locking (Keith
Busch)
- Improve pci_walk_bus() implementation by making it recursive and
moving locking up to avoid need for a 'locked' parameter (Keith
Busch)
- Unexport pci_walk_bus_locked(), which is only used internally by
the PCI core (Keith Busch)
- Detect some Thunderbolt chips that are built-in and hence
'trustworthy' by a heuristic since the 'ExternalFacingPort' and
'usb4-host-interface' ACPI properties are not quite enough (Esther
Shimanovich)
Resource management:
- Use PCI bus addresses (not CPU addresses) in 'ranges' properties
when building dynamic DT nodes so systems where PCI and CPU
addresses differ work correctly (Andrea della Porta)
- Tidy resource sizing and assignment with helpers to reduce
redundancy (Ilpo Järvinen)
- Improve pdev_sort_resources() 'bogus alignment' warning to be more
specific (Ilpo Järvinen)
Driver binding:
- Convert driver .remove_new() callbacks to .remove() again to finish
the conversion from returning 'int' to being 'void' (Sergio
Paracuellos)
- Export pcim_request_all_regions(), a managed interface to request
all BARs (Philipp Stanner)
- Replace pcim_iomap_regions_request_all() with
pcim_request_all_regions(), and pcim_iomap_table()[n] with
pcim_iomap(n), in the following drivers: ahci, crypto qat, crypto
octeontx2, intel_th, iwlwifi, ntb idt, serial rp2, ALSA korg1212
(Philipp Stanner)
- Remove the now unused pcim_iomap_regions_request_all() (Philipp
Stanner)
- Export pcim_iounmap_region(), a managed interface to unmap and
release a PCI BAR (Philipp Stanner)
- Replace pcim_iomap_regions(mask) with pcim_iomap_region(n), and
pcim_iounmap_regions(mask) with pcim_iounmap_region(n), in the
following drivers: fpga dfl-pci, block mtip32xx, gpio-merrifield,
cavium (Philipp Stanner)
Error handling:
- Add sysfs 'reset_subordinate' to reset the entire hierarchy below a
bridge; previously Secondary Bus Reset could only be used when
there was a single device below a bridge (Keith Busch)
- Warn if we reset a running device where the driver didn't register
pci_error_handlers notification callbacks (Keith Busch)
ASPM:
- Disable ASPM L1 before touching L1 PM Substates to follow the spec
closer and avoid a CPU load timeout on some platforms (Ajay
Agarwal)
- Set devices below Intel VMD to D0 before enabling ASPM L1 Substates
as required per spec for all L1 Substates changes (Jian-Hong Pan)
Power management:
- Enable starfive controller runtime PM before probing host bridge
(Mayank Rana)
- Enable runtime power management for host bridges (Krishna chaitanya
chundru)
Power control:
- Use of_platform_device_create() instead of of_platform_populate()
to create pwrctl platform devices so we can control it based on the
child nodes (Manivannan Sadhasivam)
- Create pwrctrl platform devices only if there's a relevant power
supply property (Manivannan Sadhasivam)
- Add device link from the pwrctl supplier to the PCI dev to ensure
pwrctl drivers are probed before the PCI dev driver; this avoids a
race where pwrctl could change device power state while the PCI
driver was active (Manivannan Sadhasivam)
- Find pwrctl device for removal with of_find_device_by_node()
instead of searching all children of the parent (Manivannan
Sadhasivam)
- Rename 'pwrctl' to 'pwrctrl' to match new bandwidth controller
('bwctrl') and hotplug files (Bjorn Helgaas)
Bandwidth control:
- Add read/modify/write locking for Link Control 2, which is used to
manage Link speed (Ilpo Järvinen)
- Extract Link Bandwidth Management Status check into
pcie_lbms_seen(), where it can be shared between the bandwidth
controller and quirks that use it to help retrain failed links
(Ilpo Järvinen)
- Re-add Link Bandwidth notification support with updates to address
the reasons it was previously reverted (Alexandru Gagniuc, Ilpo
Järvinen)
- Add pcie_set_target_speed() and related functionality so drivers
can manage PCIe Link speed based on thermal or other constraints
(Ilpo Järvinen)
- Add a thermal cooling driver to throttle PCIe Links via the
existing thermal management framework (Ilpo Järvinen)
- Add a userspace selftest for the PCIe bandwidth controller (Ilpo
Järvinen)
PCI device hotplug:
- Add hotplug controller driver for Marvell OCTEON multi-function
device where function 0 has a management console interface to
enable/disable and provision various personalities for the other
functions (Shijith Thotton)
- Retain a reference to the pci_bus for the lifetime of a pci_slot to
avoid a use-after-free when the thunderbolt driver resets USB4 host
routers on boot, causing hotplug remove/add of downstream docks or
other devices (Lukas Wunner)
- Remove unused cpcihp struct cpci_hp_controller_ops.hardware_test
(Guilherme Giacomo Simoes)
- Remove unused cpqphp struct ctrl_dbg.ctrl (Christophe JAILLET)
- Use pci_bus_read_dev_vendor_id() instead of hand-coded presence
detection in cpqphp (Ilpo Järvinen)
- Simplify cpqphp enumeration, which is already simple-minded and
doesn't handle devices below hot-added bridges (Ilpo Järvinen)
Virtualization:
- Add ACS quirk for Wangxun FF5xxx NICs, which don't advertise an ACS
capability but do isolate functions as though PCI_ACS_RR and
PCI_ACS_CR were set, so the functions can be in independent IOMMU
groups (Mengyuan Lou)
TLP Processing Hints (TPH):
- Add and document TLP Processing Hints (TPH) support so drivers can
enable and disable TPH and the kernel can save/restore TPH
configuration (Wei Huang)
- Add TPH Steering Tag support so drivers can retrieve Steering Tag
values associated with specific CPUs via an ACPI _DSM to improve
performance by directing DMA writes closer to their consumers (Wei
Huang)
Data Object Exchange (DOE):
- Wait up to 1 second for DOE Busy bit to clear before writing a
request to the mailbox to avoid failures if the mailbox is still
busy from a previous transfer (Gregory Price)
Endpoint framework:
- Skip attempts to allocate from endpoint controller memory window if
the requested size is larger than the window (Damien Le Moal)
- Add and document pci_epc_mem_map() and pci_epc_mem_unmap() to
handle controller-specific size and alignment constraints, and add
test cases to the endpoint test driver (Damien Le Moal)
- Implement dwc pci_epc_ops.align_addr() so pci_epc_mem_map() can
observe DWC-specific alignment requirements (Damien Le Moal)
- Synchronously cancel command handler work in endpoint test before
cleaning up DMA and BARs (Damien Le Moal)
- Respect endpoint page size in dw_pcie_ep_align_addr() (Niklas
Cassel)
- Use dw_pcie_ep_align_addr() in dw_pcie_ep_raise_msi_irq() and
dw_pcie_ep_raise_msix_irq() instead of open coding the equivalent
(Niklas Cassel)
- Avoid NULL dereference if Modem Host Interface Endpoint lacks
'mmio' DT property (Zhongqiu Han)
- Release PCI domain ID of Endpoint controller parent (not controller
itself) and before unregistering the controller, to avoid
use-after-free (Zijun Hu)
- Clear secondary (not primary) EPC in pci_epc_remove_epf() when
removing the secondary controller associated with an NTB (Zijun Hu)
Cadence PCIe controller driver:
- Lower severity of 'phy-names' message (Bartosz Wawrzyniak)
Freescale i.MX6 PCIe controller driver:
- Fix suspend/resume support on i.MX6QDL, which has a hardware
erratum that prevents use of L2 (Stefan Eichenberger)
Intel VMD host bridge driver:
- Add 0xb60b and 0xb06f Device IDs for client SKUs (Nirmal Patel)
MediaTek PCIe Gen3 controller driver:
- Update mediatek-gen3 DT binding to require the exact number of
clocks for each SoC (Fei Shao)
- Add support for DT 'max-link-speed' and 'num-lanes' properties to
restrict the link speed and width (AngeloGioacchino Del Regno)
Microchip PolarFlare PCIe controller driver:
- Add DT and driver support for using either of the two PolarFire
Root Ports (Conor Dooley)
NVIDIA Tegra194 PCIe controller driver:
- Move endpoint controller cleanups that depend on refclk from the
host to the notifier that tells us the host has deasserted PERST#,
when refclk should be valid (Manivannan Sadhasivam)
Qualcomm PCIe controller driver:
- Add qcom SAR2130P DT binding with an additional clock (Dmitry
Baryshkov)
- Enable MSI interrupts if 'global' IRQ is supported, since a
previous commit unintentionally masked them (Manivannan Sadhasivam)
- Move endpoint controller cleanups that depend on refclk from the
host to the notifier that tells us the host has deasserted PERST#,
when refclk should be valid (Manivannan Sadhasivam)
- Add DT binding and driver support for IPQ9574, with Synopsys IP
v5.80a and Qcom IP 1.27.0 (devi priya)
- Move the OPP "operating-points-v2" table from the
qcom,pcie-sm8450.yaml DT binding to qcom,pcie-common.yaml, where it
can be used by other Qcom platforms (Qiang Yu)
- Add 'global' SPI interrupt for events like link-up, link-down to
qcom,pcie-x1e80100 DT binding so we can start enumeration when the
link comes up (Qiang Yu)
- Disable ASPM L0s for qcom,pcie-x1e80100 since the PHY is not tuned
to support this (Qiang Yu)
- Add ops_1_21_0 for SC8280X family SoC, which doesn't use the
'iommu-map' DT property and doesn't need BDF-to-SID translation
(Qiang Yu)
Rockchip PCIe controller driver:
- Define ROCKCHIP_PCIE_AT_SIZE_ALIGN to replace magic 256 endpoint
.align value (Damien Le Moal)
- When unmapping an endpoint window, compute the region index instead
of searching for it, and verify that the address was mapped (Damien
Le Moal)
- When mapping an endpoint window, verify that the address hasn't
been mapped already (Damien Le Moal)
- Implement pci_epc_ops.align_addr() for rockchip-ep (Damien Le Moal)
- Fix MSI IRQ data mapping to observe the alignment constraint, which
fixes intermittent page faults in memcpy_toio() and memcpy_fromio()
(Damien Le Moal)
- Rename rockchip_pcie_parse_ep_dt() to
rockchip_pcie_ep_get_resources() for consistency with similar DT
interfaces (Damien Le Moal)
- Skip the unnecessary link train in rockchip_pcie_ep_probe() and do
it only in the endpoint start operation (Damien Le Moal)
- Implement pci_epc_ops.stop_link() to disable link training and
controller configuration (Damien Le Moal)
- Attempt link training at 5 GT/s when both partners support it
(Damien Le Moal)
- Add a handler for PERST# signal so we can detect host-initiated
resets and start link training after PERST# is deasserted (Damien
Le Moal)
Synopsys DesignWare PCIe controller driver:
- Clear outbound address on unmap so dw_pcie_find_index() won't match
an ATU index that was already unmapped (Damien Le Moal)
- Use of_property_present() instead of of_property_read_bool() when
testing for presence of non-boolean DT properties (Rob Herring)
- Advertise 1MB size if endpoint supports Resizable BARs, which was
inadvertently lost in v6.11 (Niklas Cassel)
TI J721E PCIe driver:
- Add PCIe support for J722S SoC (Siddharth Vadapalli)
- Delay PCIE_T_PVPERL_MS (100 ms), not just PCIE_T_PERST_CLK_US (100
us), before deasserting PERST# to ensure power and refclk are
stable (Siddharth Vadapalli)
TI Keystone PCIe controller driver:
- Set the 'ti,keystone-pcie' mode so v3.65a devices work in Root
Complex mode (Kishon Vijay Abraham I)
- Try to avoid unrecoverable SError for attempts to issue config
transactions when the link is down; this is racy but the best we
can do (Kishon Vijay Abraham I)
Miscellaneous:
- Reorganize kerneldoc parameter names to match order in function
signature (Julia Lawall)
- Fix sysfs reset_method_store() memory leak (Todd Kjos)
- Simplify pci_create_slot() (Ilpo Järvinen)
- Fix incorrect printf format specifiers in pcitest (Luo Yifan)"
* tag 'pci-v6.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (127 commits)
PCI: rockchip-ep: Handle PERST# signal in EP mode
PCI: rockchip-ep: Improve link training
PCI: rockship-ep: Implement the pci_epc_ops::stop_link() operation
PCI: rockchip-ep: Refactor endpoint link training enable
PCI: rockchip-ep: Refactor rockchip_pcie_ep_probe() MSI-X hiding
PCI: rockchip-ep: Refactor rockchip_pcie_ep_probe() memory allocations
PCI: rockchip-ep: Rename rockchip_pcie_parse_ep_dt()
PCI: rockchip-ep: Fix MSI IRQ data mapping
PCI: rockchip-ep: Implement the pci_epc_ops::align_addr() operation
PCI: rockchip-ep: Improve rockchip_pcie_ep_map_addr()
PCI: rockchip-ep: Improve rockchip_pcie_ep_unmap_addr()
PCI: rockchip-ep: Use a macro to define EP controller .align feature
PCI: rockchip-ep: Fix address translation unit programming
PCI/pwrctrl: Rename pwrctrl functions and structures
PCI/pwrctrl: Rename pwrctl files to pwrctrl
PCI/pwrctl: Remove pwrctl device without iterating over all children of pwrctl parent
PCI/pwrctl: Ensure that pwrctl drivers are probed before PCI client drivers
PCI/pwrctl: Create pwrctl device only if at least one power supply is present
PCI/pwrctl: Use of_platform_device_create() to create pwrctl devices
tools: PCI: Fix incorrect printf format specifiers
...
Most likely the last -next pull request for v6.13. Most changes are in
Realtek and Qualcomm drivers, otherwise not really anything
noteworthy.
Major changes:
mac80211
* EHT 1024 aggregation size for transmissions
ath12k
* switch to using wiphy_lock() and remove ar->conf_mutex
* firmware coredump collection support
* add debugfs support for a multitude of statistics
ath11k
* dt: document WCN6855 hardware inputs
ath9k
* remove include/linux/ath9k_platform.h
ath5k
* Arcadyan ARV45XX AR2417 & Gigaset SX76[23] AR241[34]A support
rtw88:
* 8821au and 8812au USB adapters support
rtw89
* thermal protection
* firmware secure boot for WiFi 6 chip
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Merge tag 'wireless-next-2024-11-13' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.13
Most likely the last -next pull request for v6.13. Most changes are in
Realtek and Qualcomm drivers, otherwise not really anything
noteworthy.
Major changes:
mac80211
* EHT 1024 aggregation size for transmissions
ath12k
* switch to using wiphy_lock() and remove ar->conf_mutex
* firmware coredump collection support
* add debugfs support for a multitude of statistics
ath11k
* dt: document WCN6855 hardware inputs
ath9k
* remove include/linux/ath9k_platform.h
ath5k
* Arcadyan ARV45XX AR2417 & Gigaset SX76[23] AR241[34]A support
rtw88:
* 8821au and 8812au USB adapters support
rtw89
* thermal protection
* firmware secure boot for WiFi 6 chip
* tag 'wireless-next-2024-11-13' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (154 commits)
Revert "wifi: iwlegacy: do not skip frames with bad FCS"
wifi: mac80211: pass MBSSID config by reference
wifi: mac80211: Support EHT 1024 aggregation size in TX
net: rfkill: gpio: Add check for clk_enable()
wifi: brcmfmac: Fix oops due to NULL pointer dereference in brcmf_sdiod_sglist_rw()
wifi: Switch back to struct platform_driver::remove()
wifi: ipw2x00: libipw_rx_any(): fix bad alignment
wifi: brcmfmac: release 'root' node in all execution paths
wifi: iwlwifi: mvm: don't call power_update_mac in fast suspend
wifi: iwlwifi: s/IWL_MVM_INVALID_STA/IWL_INVALID_STA
wifi: iwlwifi: bump minimum API version in BZ/SC to 92
wifi: iwlwifi: move IWL_LMAC_*_INDEX to fw/api/context.h
wifi: iwlwifi: be less noisy if the NIC is dead in S3
wifi: iwlwifi: mvm: tell iwlmei when we finished suspending
wifi: iwlwifi: allow fast resume on ax200
wifi: iwlwifi: mvm: support new initiator and responder command version
wifi: iwlwifi: mvm: use wiphy locked debugfs for low-latency
wifi: iwlwifi: mvm: MLO scan upon channel condition degradation
wifi: iwlwifi: mvm: support new versions of the wowlan APIs
wifi: iwlwifi: mvm: allow always calling iwl_mvm_get_bss_vif()
...
====================
Link: https://patch.msgid.link/20241113172918.A8A11C4CEC3@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch fixes incorrect code alignment.
./drivers/net/wireless/intel/ipw2x00/libipw_rx.c:871:2-3: code aligned with following code on line 882.
./drivers/net/wireless/intel/ipw2x00/libipw_rx.c:886:2-3: code aligned with following code on line 900.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=11381
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20241101060725.54640-1-jiapeng.chong@linux.alibaba.com
We don't have any interface anyway.
Trying to send a command after the D3_CONFIG command is also a really
bad idea.
No harm done since this function wouldn't send anything to the firmware
anyway.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241028135215.2636b358c870.I36717b4cff98eaa79182e0f3b5404f71aeeaf2f9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Those macros are currently in fw/api/binding.h, which should really not
be included in newer code, where this API is not used.
Just move it.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://patch.msgid.link/20241028135215.48443f1c1819.I1cfe8c6c58153031d44f81edc0f8731077666355@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If the NIC is dead upon resume, try to catch the error earlier and exit
earlier. We'll print less error messages and get to the same recovery
path as before: reload the firmware.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241028135215.3a18682261e5.I18f336a4537378a4c1a8537d7246cee1fc82b42c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Since we no longer shut down the device in suspend, we also no longer
call iwl_mvm_mei_device_state() and this is a problem because iwlmei
expects this to be called when it runs its own suspend sequence. It
checks mei->device_down in iwl_mei_remove() which is called upon
suspend.
Fix this by telling iwlmei when we're done accessing the device.
When we'll wake up, the device should be untouched if CSME didn't use it
during the suspend time. If CSME used it, we'll notice it through the
CSR_FUNC_SCRATCH register.
Fixes: e8bb19c1d5 ("wifi: iwlwifi: support fast resume")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241028135215.525287b90af2.Ibf183824471ea5580d9276d104444e53191e6900@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This feature can be used on ax200 as well. It'll avoid to restart the
firmware upon suspend / resume flow. Doing so also avoids releasing and
re-allocating all the device related memory which makes the memory's
subsystem task easier.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241028135215.514efe0ce4c7.I60061277526302a75cadbba10452e94c54763f13@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add support for range_request_cmd version 15. This version adds a
testing option flag to use bad secure LTF Tx key. The command struct
itself is not changed.
Add support for responder config command version 11. This version only
adds a flag which is part of the MVM_FTM_RESP_FLAGS and does not
require any special handling.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241028135215.264826832f16.Iad4fdcd177a9c4bcb0839d3f87c793b4f83eb2c7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This will call into the OMI control path soon, and that will
require the wiphy mutex to be held. The files are removed by
mac80211 under wiphy mutex, so we must use the wiphy-locked
debugfs for them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241028135215.c62e23392400.Ifcb652d324bc60b7144fdf277d7989bede9e54d5@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add support version 7 of wowlan_config_cmd and version 5 of
iwl_wowlan_info_notif
This version is mainly a cleanup of the previous version.
Two fields were removed as the device already handled this data.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241028135215.d2afdf720073.I9901c8c4ad4508135d019efa213b1430acc70746@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Allow calling iwl_mvm_get_bss_vif() without getting an error
message if multiple vifs are active etc., this is much easier
than having to check beforehand (which would be effectively
the same code as the function itself.)
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241028135215.a343824e2c61.Ib92534f17c63630aa2eb0604fd80dbae20077487@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This is written only with wiphy and mvm mutexes held, but in
order to actually rely on that document it and add lockdep
assertions to ensure it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241028135215.a6c6aa4147cf.If7f1b30a7b92ce5e9226e8972201a20aa9905108@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
pcim_iomap_table() and pcim_iomap_regions_request_all() have been
deprecated by the PCI subsystem in commit e354bb84a4 ("PCI: Deprecate
pcim_iomap_table(), pcim_iomap_regions_request_all()").
Replace these functions with their successors, pcim_iomap() and
pcim_request_all_regions().
Link: https://lore.kernel.org/r/20241030112743.104395-7-pstanner@redhat.com
Signed-off-by: Philipp Stanner <pstanner@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Kalle Valo <kvalo@kernel.org>
If more than 255 colocated APs exist for the set of all
APs found during 2.4/5 GHz scanning, then the 6 GHz scan
construction will loop forever since the loop variable
has type u8, which can never reach the number found when
that's bigger than 255, and is stored in a u32 variable.
Also move it into the loops to have a smaller scope.
Using a u32 there is fine, we limit the number of APs in
the scan list and each has a limit on the number of RNR
entries due to the frame size. With a limit of 1000 scan
results, a frame size upper bound of 4096 (really it's
more like ~2300) and a TBTT entry size of at least 11,
we get an upper bound for the number of ~372k, well in
the bounds of a u32.
Cc: stable@vger.kernel.org
Fixes: eae94cf82d ("iwlwifi: mvm: add support for 6GHz")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219375
Link: https://patch.msgid.link/20241023091744.f4baed5c08a1.I8b417148bbc8c5d11c101e1b8f5bf372e17bf2a7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Revert commit dfdfe4be18 ("wifi: iwlwifi: remove retry loops in
start"), it turns out that there's an issue with the PNVM load
notification from firmware not getting processed, that this patch
has been somewhat successfully papering over. Since this is being
reported, revert the loop removal for now.
We will later at least clean this up to only attempt to retry if
there was a timeout, but currently we don't even bubble up the
failure reason to the correct layer, only returning NULL.
Fixes: dfdfe4be18 ("wifi: iwlwifi: remove retry loops in start")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://patch.msgid.link/20241022092212.4aa82a558a00.Ibdeff9c8f0d608bc97fc42024392ae763b6937b7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When we add the vif (and its default link) in fw restart we may
override the link that already exists. We take care of this but if
link 0 is a valid MLO link, then we will re-create a default link on
mvmvif->link[0] and we'll loose the real link we had there.
In non-MLO, we need to re-create the default link upon the interface
creation, this is fine. In MLO, we'll just wait for change_vif_links()
to re-build the links.
Fixes: bf976c814c ("wifi: iwlwifi: mvm: implement link change ops")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241010140328.385bfea1b2e9.I4a127312285ccb529cc95cc4edf6fbe1e0a136ad@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
1. The size of the response packet is not validated.
2. The response buffer is not freed.
Resolve these issues by switching to iwl_mvm_send_cmd_status(),
which handles both size validation and frees the buffer.
Fixes: f130bb75d8 ("iwlwifi: add FW recovery flow")
Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241010140328.76c73185951e.Id3b6ca82ced2081f5ee4f33c997491d0ebda83f7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When starting the suspend flow, HOST_D3_START triggers an _async_
firmware dump collection for debugging purposes. The async worker
may race with suspend flow and fail to get NIC access, resulting in
the following warning:
"Timeout waiting for hardware access (CSR_GP_CNTRL 0xffffffff)"
Fix this by switching to the sync version to ensure the dump
completes before proceeding with the suspend flow, avoiding
potential race issues.
Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241010140328.9aae318cd593.I4b322009f39489c0b1d8893495c887870f73ed9c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
iwl_mvm_send_ap_tx_power_constraint_cmd is a no-op if the link is not
active (we need to know the band etc.)
However, for the station case it will be called just before we set the
link to active (by calling iwl_mvm_link_changed with
the LINK_CONTEXT_MODIFY_ACTIVE bit set in the 'changed' flags and
active = true), so it will end up doing nothing.
Fix this by calling iwl_mvm_send_ap_tx_power_constraint_cmd before
iwl_mvm_link_changed.
Fixes: 6b82f4e119 ("wifi: iwlwifi: mvm: handle TPE advertised by AP")
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241010140328.5c235fccd3f1.I2d40dea21e5547eba458565edcb4c354d094d82a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Release the link mapping resource in AP removal. This impacted devices
that do not support the MLD API (9260 and down).
On those devices, we couldn't start the AP again after the AP has been
already started and stopped.
Fixes: a8b5d4809b ("wifi: iwlwifi: mvm: Configure the link mapping for non-MLD FW")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241010140328.c54c42779882.Ied79e0d6244dc5a372e8b6ffa8ee9c6e1379ec1d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The first set of wireless fixes for v6.12. We have been busy and have
not been able to send this earlier, so there are more fixes than
usual. The fixes are all over, both in stack and in drivers, but
nothing special really standing out.
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Merge tag 'wireless-2024-10-21' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
wireless fixes for v6.12-rc5
The first set of wireless fixes for v6.12. We have been busy and have
not been able to send this earlier, so there are more fixes than
usual. The fixes are all over, both in stack and in drivers, but
nothing special really standing out.
This is one of only three -Wenum-compare-conditional warnings we get
in randconfig builds:
drivers/net/wireless/intel/iwlwifi/mvm/sta.c:4331:17: error: conditional expression between different enumeration types ('enum iwl_fw_sta_type' and 'enum iwl_sta_type') [-Werror,-Wenum-compare-conditional]
4331 | u32 type = mld ? STATION_TYPE_PEER : IWL_STA_LINK;
| ^ ~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~
This is a false positive since the code works as intended, but the
warning is otherwise sensible, so slightly rewrite it in order to
not trigger the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20241018151841.3821671-1-arnd@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The current flow in _ieee80211_set_active_links() does not align with the
operational requirements of drivers that groups multiple hardware
under a single wiphy. These drivers (e.g ath12k) rely on channel
assignment to determine the appropriate hardware for each link. Without
this, the drivers cannot correctly establish the link interface.
Currently in _ieee80211_set_active_links(), after calling
drv_change_vif_links() on the driver, the state of all connected stations
is updated via drv_change_sta_links(). This is followed by handling keys
in the links, and finally, assigning the channel to the links.
Consequently, drv_change_sta_links() prompts drivers to create the station
entry at their level and within their firmware. However, since channels
have not yet been assigned to links at this stage, drivers have not
created the necessary link interface for establishing link stations,
leading to failures in activating the links.
Therefore, re-order the logic so that after drv_change_vif_links() and
removing the old links, channels are assigned to newly added links.
Following this, the flow proceeds to station handling.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://patch.msgid.link/20241001085034.2745669-1-quic_adisi@quicinc.com
[Johannes: fix iwlwifi to deal with the changes]
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We require a message, but the macros shouldn't require a
formatted message, a constant one can be fine. Change the
macros to support that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.96e8554cb7a2.I0e06d8fd49f86bd4e9e216fc2265c43d7e78a095@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Shaul Triebitz
Johannes Berg
Emmanuel Grumbach
Ilan Peer
Miri Korenblit
Anjaneyulu
Colin Ian King
Dr. David Alan Gilbert
Jilin Yuan
Jason Wang
Minjie Du
shitao
Deming Wang
Juan José Arboleda
Gan Jie
Daniel Gabay
Yedidya Benshimol
Somashekhar(Som)
Benjamin Berg
Rolf Eike Beer
Jakub Kicinski
Kees Cook
Peter Zijlstra
Linus Torvalds
Kalle Valo
Jiapeng Chong
Avraham Stern
Philipp Stanner
David S. Miller
Arnd Bergmann
Aditya Kumar Singh