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When operating as a soft ap with wep security, the key was not
configured to the fw for the stations, based on the fact that the
key will be specified in the tx command.
However, in the new tx api the tx command does not include the key,
which resulted in all data frames going out un-encrypted.
Fix it by configuring the key for all the stations as they are added.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Current FIFO size calculation is wrong for two reasons:
- We access lmac 0 by default
- We don't take 11ax into consideration.
Fix both.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
RB size can be configured by user to be greater than 4K.
That's needed for monitor to capture big AMSDUs.
The firmware now enables different RB sizes configuration
via context info.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Since AMSDUs are not de-aggregated by HW in monitor mode,
we still need the option for setting large RBs (up to 12K).
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Today, the length of a debug message in iwl_trans_pcie_reclaim
may pass the MAX_MSG_LEN, which is 110.
An example for this kind of message is:
'iwl_trans_pcie_reclaim: Read index for DMA queue txq id (2),
last_to_free 65535 is out of range [0-65536] 2 2.'
Cut the message a bit so it will fit the allowed MAX_MSG_LEN.
Signed-off-by: Golan Ben Ami <golan.ben.ami@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
If the HW is not responding at probe time, fail immediately complaining
about it. Without this, we see that the kernel spends > 100ms trying to
load firmware (even gives an incorrect impression that it actually
loaded a firmware) and do unnecesary processing before concluding that
the device is not accessible:
INFO kernel: [ 34.092678] iwlwifi 0000:01:00.0: enabling device (0000 -> 0002)
WARNING kernel: [ 34.093560] iwlwifi 0000:01:00.0: Direct firmware load for iwl-dbg-cfg.ini failed with error -2
INFO kernel: [ 34.111523] iwlwifi 0000:01:00.0: loaded firmware version 17.318154.0 op_mode iwlmvm
INFO kernel: [ 34.173250] iwlwifi 0000:01:00.0: Detected Intel(R) Dual Band Wireless AC 7265, REV=0xFFFFFFFF
ERR kernel: [ 34.198023] iwlwifi 0000:01:00.0: iwlwifi transaction failed, dumping registers
ERR kernel: [ 34.198044] iwlwifi 0000:01:00.0: iwlwifi device config registers:
Signed-off-by: Rajat Jain <rajatja@google.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This will allow us to reuse the function later for adding fraglist
SKBs to the TFD.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
When anything fails, we unmap the whole TFD in three different
places scattered throughout the code. Unify this to a single
place.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
If the incoming frame should be an A-MSDU, it may already be one,
for example in the case of NAN multicast being encapsulated in an
A-MSDU. Thus, use the GSO algorithm to build A-MSDU only if the
skb actually contains GSO data.
Fixes: 6ffe5de35b05 ("iwlwifi: pcie: add AMSDU to gen2")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Move the skb fragment loop into a helper routine to be able
to reuse it later.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Annotate the compressed BA notification array sizes and
make both of them 0-length since the length of 1 is just
confusing - it may be different than that and the offset
to the second one needs to be calculated in the C code
anyhow.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Make the adjustments for gen2 TX and RX of TKIP packets. Strip MIC on
RX. Don't add IV space and keep the MIC space zeroed on TX.
Devices that support gen2 data path support TKIP only in station mode.
In all other modes, fall back to SW encryption. Do this early in the
set_key() callback so that the key flags would not be incorrectly set.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
For newer devices we have higher range of periphery
addresses. Currently it is masked out, so we end up
reading another address.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
In order to receive TB (Trigger Based) PPDU in monitor mode,
the Driver must send the HE_AIR_SNIFFER_CONFIG_CMD host command.
Enable that via debugfs.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Ido Yariv <idox.yariv@intel.com>
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
CDB support has nothing to do with non unified image.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The non-shared antenna was wrong for 22000 device series.
Fix it to ANT_B for correct antenna preference by coex in MVM driver.
Fixes: e34d975e40ff ("iwlwifi: Add a000 HW family support")
Signed-off-by: Erel Geron <erelx.geron@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
We can dump data from the firmware either when it crashes,
or when the firmware is alive.
Not all the data is available if the firmware is running
(like the Tx / Rx FIFOs which are available only when the
firmware is halted), so we first check that the firmware
is alive to compute the required size for the dump and then
fill the buffer with the data.
When we allocate the buffer, we test the STATUS_FW_ERROR
bit to check if the firmware is alive or not. This bit
can be changed during the course of the dump since it is
modified in the interrupt handler.
We hit a case where we allocate the buffer while the
firmware is sill working, and while we start to fill the
buffer, the firmware crashes. Then we test STATUS_FW_ERROR
again and decide to fill the buffer with data like the
FIFOs even if no room was allocated for this data in the
buffer. This means that we overflow the buffer that was
allocated leading to memory corruption.
To fix this, test the STATUS_FW_ERROR bit only once and
rely on local variables to check if we should dump fifos
or other firmware components.
Fixes: 04fd2c28226f ("iwlwifi: mvm: add rxf and txf to dump data")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Alexei's patch, assumed that all versions of "struct iwl_error_event_table"
are the same, but there are really different versions in different files.
Rather than trying to fix this, or splitting the tracepoint, or anything of
the sort, just remove it entirely - turns out that nobody really uses it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
We already report the RU offset, so we'd better also
report that we know the value.
Fixes: e5721e3f770f ("iwlwifi: mvm: add radiotap data for HE")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Check the actual bit (mask) in Rx notification rate_n_flags.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Cleanup of the debug flow by moving several flows to separate
functions to increase readability. Three functions were created:
1. iwl_fw_get_prph_len - returns the size needed for periphery dump.
2. iwl_fw_dump_mem for - executes the memory dumping flow.
3. iwl_trans_get_fw_monitor_len - returns the size needed for monitor dump.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
There's no value in having an anonymous struct for holding
a few fields, remove it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
In new devices, access to periphery is forbidden. Send instead
host command to start and stop debugging.
Memory allocation is written in context info, but in case we
need to update it there is a dedicated command. Add definitions,
currently unused, of the new command.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Move the restart FW debug code to a function. This avoids code
duplication and lays the infra to support the new start and stop
host commands in some future devices.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The SP length in the ADD_STA command is an actual number of
frames, and not the SP len as it appears in the WME IE.
Fix that comment. The actual code is fine.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
.max_tfd_queue_size was ommited for 1000 card serries leading to oops in
swiotlb.
Fixes: 7b3e42ea2ead ("iwlwifi: support multiple tfd queue max sizes for different devices")
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Align to new 11ax draft D3.0. Change/add new MAC and PHY capabilities
and update drivers' 11ax capabilities and mac80211's debugfs
accordingly.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* various A-MSDU building fixes (currently only affects mt76)
* syzkaller & spectre fixes in hwsim
* TXQ vs. teardown fix that was causing crashes
* embed WMM info in reg rule, bad code here had been causing crashes
* one compilation issue with fix from Arnd (rfkill-gpio includes)
* fixes for a race and bad data during/after channel switch
* nl80211: a validation fix, attribute type & unit fixes
along with other small fixes.
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Merge tag 'mac80211-for-davem-2018-09-03' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
Here are quite a large number of fixes, notably:
* various A-MSDU building fixes (currently only affects mt76)
* syzkaller & spectre fixes in hwsim
* TXQ vs. teardown fix that was causing crashes
* embed WMM info in reg rule, bad code here had been causing crashes
* one compilation issue with fix from Arnd (rfkill-gpio includes)
* fixes for a race and bad data during/after channel switch
* nl80211: a validation fix, attribute type & unit fixes
along with other small fixes.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The devices with PCI device ID 0x34F0 are part of the SoC and can be
combined with some different external RF modules. The configuration
for these devices should reflect that, but are currently mixed up. To
avoid confusion with discrete devices, add part of the firmware to be
used and the official name of the device to the cfg structs.
This is least reorganization possible (without messing things even
more) that could be done as a bugfix for this SoC. Further
reorganization of this code will be done separately.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This reverts the addition of memory type in the memory debug TLV
as the firmware never ended up implementing it, and now the PRPH
dump is added as a different TLV.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
In case of fragmented scan on the HB channels, configure EBS to be
fragmented as well.
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Support more txq_alloc command types by moving the command declaration
to the gen specific area. While at it, move some of the code segments
to a common place for re-use.
Signed-off-by: Golan Ben Ami <golan.ben.ami@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Decode the HE TB PPDU data that we get in sniffer mode
and use it to populate the HE radiotap information.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Add flags to the tlc_cfg_cmd for signaling peer support for receiving
Dual Carrier Modulation at BPSK (MCS 0), and set them according to peer
capabilities.
Signed-off-by: Naftali Goldstein <naftali.goldstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
In the HE phy capabilities IE there are 2 bits to signal support for
STBC in bandwidths of 80Mhz or less, and of 160Mhz.
Use these bits to determine STBC support if this IE exists.
Signed-off-by: Naftali Goldstein <naftali.goldstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Make all FW debug data stop recording flows to use
iwl_fw_dbg_stop_recording function instead of writing to FW
registers directly.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Allow access to the memory by the host and the device simultaneously.
This will be needed in some future patches.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
As with the non-offloaded rs case, during assoc on the ap side the phy
context is set to 20MHz until authorization of a client that supports
wider channel-widths. Support this by sending the initial
tlc_config_cmd with max supported channel width of 20MHz until
authorization succeeds.
Fixes: 6b7a5aea71b3 ("iwlwifi: mvm: always init rs with 20mhz bandwidth rates")
Signed-off-by: Naftali Goldstein <naftali.goldstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Probe responses were sent to the multicast station while
they should be routed to the broadcast station.
This has no negative effect since the frame was still
routed to the right queue, but it looked very fishy
to send a frame to a (queue, station) tuple where
'queue' is not mapped to 'station'.
Fixes: 7c305de2b954 ("iwlwifi: mvm: Direct multicast frames to the correct station")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
In the new method of parsing the NVM the disable_11n module parameter
isn't consulted when setting up HT capabilities. Fix this.
Signed-off-by: Ido Yariv <idox.yariv@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
If the bandwidth is only 20 MHz, then the second channel doesn't
exist, but the hardware reports the CRC was OK. Suppress the data
of the second channel in the HE radiotap in this case, by marking
it as not known.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This is the same as for SU PPDUs, so it's easy to do.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The GI duration depends on the frame type in some cases,
take that into account when decoding for radiotap.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
I evidently completely confused "number of LTF symbols" and "LTF size".
Radiotap was reporting the former, while I thought it was the latter,
and we really need both.
Add the LTF symbol size into the newly defined field in radiotap.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Implement the extended HE-MU info type decoding to show the HE-SIG-B
common contents in the HE-MU radiotap field.
The DW4 data is partially overwritten by the hardware in all cases, so
only the higher 16 bits can be used. To be able to use it for the HE
SIG-B common data anyway, move the bits around in the following way:
SIG-B common 0: DW 4 -> DW 7
SIG-B common 1: DW 7 -> DW 8
SIG-B common 2: DW 8 -> DW 4 (upper half)
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The Free Software Foundation address is superfluous and causes
checkpatch to issue a warning when present. Remove all paragraphs
with FSF's address to prevent that.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
We offloaded all the RX configuration of init to firmware. However,
the configuration of interrupt coalescing was left hanging - it wasn't
offloaded nor was it written by host.
This write to the CSR is allowed in gen2, so the host can do it.
Without it we have various issues with RX fullness.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The parameter that indicated whether the LQ command should be sent
as sync or async was removed, causing the LQ command to be sent as
sync from interrupt context (e.g. from the RX path). This resulted
in a kernel warning: "scheduling while atomic" and failing to send
the LQ command, which ultimately leads to a queue hang.
Fix it by adding back the required parameter to send the command as
sync only when it is allowed.
Fixes: d94c5a820d10 ("iwlwifi: mvm: open BA session only when sta is authorized")
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
When we receive TX response, we may release a few packets
due to a hole that was closed in the transmission window.
However, if that frame failed, we will mark all the released
frames as failed and will send multiple BARs.
This affects statistics badly, and cause unnecessary frames
transmission.
Instead, mark all the following packets as success, with the
desired result of sending a bar for the failed frame only.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
There is a bug in FW where the sequence control may be
incorrect, and the driver overrides it with the value
of the ieee80211 header.
However, in BAR there is no sequence control in the header,
which result with arbitrary sequence.
This access to an unknown location is bad and it makes the
logs very confusing - so fix it.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
