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Currently, the Kbuild core manipulates header search paths in a crazy
way [1].
To fix this mess, I want all Makefiles to add explicit $(srctree)/ to
the search paths in the srctree. Some Makefiles are already written in
that way, but not all. The goal of this work is to make the notation
consistent, and finally get rid of the gross hacks.
Having whitespaces after -I does not matter since commit 48f6e3cf5bc6
("kbuild: do not drop -I without parameter").
I also removed one header search path in:
drivers/net/wireless/broadcom/brcm80211/brcmutil/Makefile
I was able to compile without it.
[1]: https://patchwork.kernel.org/patch/9632347/
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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A call to iwl_mvm_add_rtap_sniffer_config() was missing due to a merge
damage when I submitted the patch mentioned below. And this causes
the following compilation warning:
drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c:195:13: warning: 'iwl_mvm_add_rtap_sniffer_config' defined but not used [-Wunused-function]
static void iwl_mvm_add_rtap_sniffer_config(struct iwl_mvm *mvm,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Fix it by adding the if block that calls this function.
Fixes: 9bf13bee2d74 ("iwlwifi: mvm: include configured sniffer AID in radiotap")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The monitor buffer register address is wrong.
Set the right address
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Fixes: c2d202017da1 ("iwlwifi: pcie: add firmware monitor capabilities")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The driver sets dump_mask value instead of BIT(value).
fix it by updating dump_mask correctly.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Fixes: 7a14c23dcdee ("iwlwifi: dbg: dump data according to the new ini TLVs")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The driver uses ignore_consec instead of dump_delay.
Fix it by using dump_delay as expected.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Fixes: fe1b7d6c2888 ("iwlwifi: add support for triggering ini triggers")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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in case of a user trigger while ini is enable we change
FW_DBG_TRIGGER_USER to IWL_FW_TRIGGER_ID_USER_TRIGGER in
iwl_fw_dbg_collect and then again we attempt to do so in
_iwl_fw_error_ini_dump which causes to abort the dump.
Fix it by removing the second check in _iwl_fw_error_ini_dump.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Fixes: 7a14c23dcdee ("iwlwifi: dbg: dump data according to the new ini TLVs")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Use the same flags we use in the legacy buffer allocation.
Missing __GFP_NOWARN will cause an unwanted warning incase
we fail to allocate.
Missing __GFP_ZERO will give a buffer initially filled with
garbage which can make debug difficult in case our wrap count is zero.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Fixes: d47902f9f71d ("iwlwifi: dbg: add apply point logic")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When MU EDCA params change, resend the STA_HE_CTXT command
updating the MU EDCA params.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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In the regular flow, when we receive an assert, ieee80211_reconfig is
called which reconfig the driver using iwl_mvm_mac_start.
iwl_mvm_mac_start is clearing the restart bit and does dump collection.
Prior to setting the device up, ieee80211_reconfig does not call
iwl_mvm_mac_start since there is nothing to reconfig and we miss the
dump collection of the assert.
solve it by checking the restart bit before we stop the device
and trigger a dump collection in case it is set.
note that we don't need to do it in the fmac case since in fmac
assert flow in iwl_fmac_nic_error we call iwl_fw_dbg_collect_desc
so we can be sure that there will a dump collection in
iwl_fmac_stop_device.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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In order to make more sense out of the captured radiotap data e.g.
when the configured AID changes, add the currently configured AID
to the radiotap data as a vendor extension field.
This is made race-free by updating the included value from inside
the RX path (using a notification wait) for the command response
from the firmware, which thus means it's serialized with frame RX.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The reorder buffer is bypassed because the firmware won't have
any BA sessions, document this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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update the product name for the some of the cards from
the series of 9260 and 9560
Signed-off-by: Ihab Zhaika <ihab.zhaika@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We introduce a new state for latency, force mode, in force mode
you can enable always to be in low latency or always to be in non
low latency.
This is required for test mode in max TpT test.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We maintain a timer for each Tx queue to detect stalls and
be able to recover / debug.
When we work in AP mode, we can freeze the Tx queue timer if
a station goes to sleep, because we don't want to warn about
stalls that are caused by faulty clients that don't wake up
on time.
This mechanism was applied to the queues of the clients, but
the management queue was omitted. Fix that.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Change iwl_fw_channel_info structure so it can have channel number
greater than 255. This is needed for 6 GHz channel numbers.
Change all relevant structs and member accesses accordingly.
The new API is indicated by a TLV capability bit.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Implement CSI (channel estimation matrix) reporting in the mvm
driver, if the firmware has the capability.
Currently only a debugfs API is provided as the API is still
under discussion.
For now, RX aggregation must be disabled to use this feature
on data frames as we haven't found a good way to attach the
data to A-MPDUs, given complexities with multi-queue.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Add the location/time-of-flight/FTM APIs that we'll use in
follow-up patches to implement FTM responder and initiator.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Some buggy APs stop sending beacons, but continue to ack our null data
packets or even run some traffic. It's better not to stick connected to
such an AP forever, so disconnect after some larger beacon loss
threshold is crossed.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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That's what we pass, and we don't want/need any negative values.
Found by sparse/smatch.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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If we're in the else branch of checking "tt->state == IWL_TI_CT_KILL"
so there's no point in checking "tt->state != IWL_TI_CT_KILL" again.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This is an ancient (~2015) implementation that no longer matches
the firmware in any way, and most likely never worked. Remove all
of it so it can be reintroduced properly.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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TX path lock was introduced in order to prevent out of order
invocations of TX.
This can happen in the following flow:
TX path invoked from net dev
Packet dequeued
TX path invoked from RX path
Packet dequeued
Packet TXed
Packet TXed
However, we don't really need a lock. If TX path is already
invoked from some location, other paths can simply abort their
execution, instead of waiting to the first path to finish, and
then discover queue is (likely) empty or stopped.
Replace the lock with an atomic variable to track TX ownership.
This simplifies the locking dependencies between RX and TX paths,
and should improve performance.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The current code assigns the reference, and then goes to increment
it if the toggle bit has changed. That way, we get
Toggle 0 0 0 0 1 1 1 1
ID 1 1 1 1 1 2 2 2
Fix that by assigning the post-toggle ID to get
Toggle 0 0 0 0 1 1 1 1
ID 1 1 1 1 2 2 2 2
Reported-by: Danny Alexander <danny.alexander@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Fixes: fbe4112791b8 ("iwlwifi: mvm: update mpdu metadata API")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Currently whenever we get firmware notification with mac id,
we iterate over all the interfaces to find the ID. This is a
bit cumbersome. Instead, adding an array of RCU pointers, like
we have for station IDs. This is not expensive space wise
since we have only up to 4 active MACs, and not complicated
code wise, since we have a clear point to init and de-init it.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Since we use a dumping mask, checking if only monitor was requested
is redundant. Remove the unneeded code.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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If WEP is used, no one removes the STA key upon STA
removal, leading to a situation where after 16
connect/disconnects - the AP could no longer decrypt
incoming data frames since iwl_mvm_set_fw_key_idx()
called from iwl_mvm_set_sta_key() during association
returns STA_KEY_IDX_INVALID, thus not setting the key
for that connecting STA.
Fix this by removing the key in the driver when the
STA is removed.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Harden the fwrt->fw->img array access by making sure the cur_fw_img
value doesn't go out of bounds.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The out_cmd structure starts with a header, so there's no need to use
&out_cmd->hdr, out_cmd alone is enough. We use this when calculating
other addresses and klocwork gets confused with that because it thinks
we are trying to access hdr (as an array) beyond its size.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The function we pass to the wait alive notification procedure may may
not even get called if the timeout occurs before the function is
called. To prevent accessing unitialized data in alive_data, pre-set
it to zero in the declaration. Found by static analyzers.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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These inlines just check the module parameters, so they don't
need a configuration parameter and can move to a better place.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This function is supposed to be used as an inline function and is in a
header file, so make it inline.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Sometimes we want to debug issues related to the regulatory blob in
the NVM. To make that easier, add a debugfs entry to export it
together with the other nvm blobs we export.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Clean up the LDBG config command to not be called "continuous
recording", and while at it actually remove the continuous
recording implementation completely since it was only used for
store & forward architectures.
This also fixes a bug at least in iwl_fw_dbg_buffer_allocation()
because what's now "__le32 type" (matching the firmware) used to
be "__le16 enable_recording", so the buffer allocation config
sub-struct would erroneously have started at the wrong offset.
In the other cases this didn't actually lead to a bug as other
bytes in pad[] were all zeroes, so accessing the 16-bit value as
a 32-bit value wouldn't make a difference (in little endian.)
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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These files have a long history of code changes, but analysing
the remaining code leads to having only a few changes that are
not already owned by Intel, notably from
- Andy Lutomirski <luto@amacapital.net>
- Joonwoo Park <joonwpark81@gmail.com>
- Kirtika Ruchandani <kirtika@chromium.org>
- Rajat Jain <rajatja@google.com>
- Stanislaw Gruszka <sgruszka@redhat.com>
remaining in the code today.
Note that
- I myself was working for Intel and for any possibly code
that might be before my employment there give permission
- Wizery employees were working for Intel
More specifically, we identified the following commits that
(partially may) remain today:
25c03d8e8c13 Joonwoo Park <joonwpark81@gmail.com> ("iwlwifi: do not schedule tasklet when rcv unused irq")
f36d04abe684 Stanislaw Gruszka <sgruszka@redhat.com> ("iwlwifi: use dma_alloc_coherent")
387f3381f732 Stanislaw Gruszka <sgruszka@redhat.com> ("iwlwifi: fix dma mappings and skbs leak")
2624e96ce16b Stanislaw Gruszka <sgruszka@redhat.com> ("iwlwifi: fix possible data overwrite in hcmd callback")
bfe4b80e9f73 Stanislaw Gruszka <sgruszka@redhat.com> ("iwlwifi: always check if got h/w access before write")
d536c32b45d2 Andy Lutomirski <luto@amacapital.net> ("iwlwifi: pcie: log when waking the NIC for hcmd submission fails")
a6d24fad00d9 Rajat Jain <rajatja@google.com> ("iwlwifi: pcie: dump registers when HW becomes inaccessible")
fb12777ab59b Kirtika Ruchandani <kirtika@chromium.org> ("iwlwifi: Add more call-sites for pcie reg dumper")
3a73a30049f2 Stanislaw Gruszka <sgruszka@redhat.com> ("iwlwifi: cleanup/fix memory barriers")
aa5affbacb24 Stanislaw Gruszka <sgruszka@redhat.com> ("iwlwifi: dump stack when fail to gain access to the device")
Align the licenses with their permission to clean up and to
make it all identical.
CC: Joonwoo Park <joonwpark81@gmail.com>
CC: Stanislaw Gruszka <sgruszka@redhat.com>
CC: Andy Lutomirski <luto@amacapital.net>
CC: Rajat Jain <rajatja@google.com>
CC: Kirtika Ruchandani <kirtika@chromium.org>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Kirtika Ruchandani <kirtika@chromium.org>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Joonwoo Park <joonwpark81@gmail.com>
Acked-by: Rajat Jain <rajatja@google.com>
Acked-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Due to a general shortage of RX API bits, the firmware is going
to reuse this bit on non-CCK frames to mean something else. Use
it only on CCK frames to prepare for that change.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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With just %16, it means 16 characters padding, but we really
don't want to print "0x 1F4547B", but instead want to
have this filled with zeroes, so we need the 0.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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In case there are bugs in this area, this data can
help with debugging.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Take the NSS value from 'rx_vec' rather than from 'rate_n_flags'.
The rate_n_flags has only 2 bits for the NSS giving a max of 4SS
(0 = 1SS etc.). Since there may be up to 8SS use the rx_vec which
has 3 bits for the NSS.
While at it, fix the rx_vec array to length of 2.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When setting the EOF bit in Rx flags (propagated
to radiotap) do not depend it on the PPDU type (SU/MU/TB)
since it doesn't.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The code checks that we haven't exceeded the maximum number of
TBs by comparing to a define of gen1 instead of gen2, fix it.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Document the WoWLAN patterns command structure.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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These are unused by both firmware and driver, remove them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The value in num_lmac can be bigger than mem_cfg->lmac array,
warn in case it's bigger.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Fixes: 68025d5f9bfe ("iwlwifi: dbg: refactor dump code to improve readability")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The value in txq_id can be out of array scope,
validate it before accessing the array.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Fixes: cf961e16620f ("iwlwifi: mvm: support dqa-mode agg on non-shared queue")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Klocwork complains about copying from dev_cmd->hdr if
copying more than 4 bytes since it means part of the
copy is from the next field. This isn't a real bug,
but for not failing Klocwork next time - fix this.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The driver assumes certain sizes and lengths aren't crossed in some
places. Make sure this indeed happens.
Found by Klocwork.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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There is no point in having num_active_macs signed
since it should never be negative. Set it to be an
unsigned variable to ensure this.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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A few commands refer to a struct that no longer exists
in the mentioned name. Our trace-cmd parsing scripts
rely on these mentioned names and can't find them,
resulting in these commands not being parsed nicely.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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As this is not needed and might cause interoperability issues
during pairing with devices that would not reply to RTS frames.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When a frame is transmitted without a station, need to set the rate
and flags in the Tx command, as the FW does not have any information as
to what rate and flags should be used for this frame.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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