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https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
* Make scan parameters low latency aware (Avi Stern)
* Fix in the NL80211_FEATURE_FULL_AP_CLIENT_STATE state case (Ayala)
* Fix enable injection mode (Chaya Rachel)
* Various cleanups (Dan / Julia / myself)
* Allow to stay more time on popular channels (David Spinadel)
* Bug fixes for D0i3 (Eliad / Luca)
* Fixes for GO uAPSD (myself)
* Start of TSO support (myself)
* Rate control bug fixes (Eyal / Gregory)
* Start the work on 9000 devices (Johannes / Sara / Oren)
* Start the work on a new Tx queue allocation model (Liad)
* Debug infrastructure enhancements (Golan)
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In case of bad trans state (i.e. fw is not loaded) bail
out immediately instead of calling the trans, which might
not be fully initialized yet.
Also add WARN_ON_ONCE to help debugging where the errorneous
call is coming from.
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Smatch warned about a bad specifier being used. Fix that.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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All the callers used silent = false.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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In order to let the fw do offloading properly, we need
to provide various key data (e.g. PN).
Configure the params on d0i3 entrance, and update them
back on d0i3 exit.
Since d3 code is now called in d0i3 which requires runtime
pm only, make d3.0 depend on CONFIG_PM (rather than
CONFIG_PM_SLEEP), and add required #ifdefs and wrappers
where needed, so both CONFIG_PM=n and CONFIG_PM_RUNTIME=n
configurations will build correctly.
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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associated
Currently, the number of associated stations gets updated when adding
a new station or removing it. This is incorrect as it's possible that
a station was inserted before it was associated
Fix this by increasing/decreasing ap_assoc_sta_count whenever
a station transitions in/out the associated state.
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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A new PCI IDs update to the 8000 and 9000 series.
type=feature
Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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These registers can help to debug PHY issues. Since this
adds a significant amount of work to the debug collection
phase, dump the periphery registers only if the firmware
is stopped.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Incoming hardware will send frame release notifications to
the reorder buffer in order to update with the BA session
status and up to date NSSN.
This patch enables the API.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Convert the convert the new infrastructure added by previous
patches to actually use the new RX descriptor layout.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The code in iwl_mvm_update_tkip_key() is now pretty much duplicated
with the code in iwl_mvm_get_key_sta_id() doing the station ID lookup
again after it was already done. Change iwl_mvm_get_key_sta_id() to
iwl_mvm_get_key_sta(), returning the mvm_sta pointer, to allow that
duplicate code to be removed.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Currently when creating a new vif in monitor mode the driver doesn't
allocate a specific station. This causes that in the situation that
tx traffic is injected, the tx queues are not scheduled,
with the result of a TFD queue hang.
Fix that by allocating a station and ensuring its tx queues
are scheduled.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=104591
Signed-off-by: Chaya Rachel Ivgi <chaya.rachel.ivgi@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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When doing active scan on crowded channels we are likely to miss probe
responses due to collisions. To overcome this issue we use an extended
dwell time on channels 1, 6 and 11; this dwell time is set to 100.
In case of fragmented scan extended dwell time is the maximum out of
channel time - 44 msec. Fragmented active scan will be addressed later.
Extended dwell time isn't used in sched scan or p2p find.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Small change in firmware API, no functional change.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Add to the user triggered fw debug collection support for describing
the reason of the trigger.
This could be useful for identifying a dump by a unique id, passed as
a description.
Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Firmware will support filtering multicast L3 packets.
The L3 filtering is configured by the WOWLAN_CONFIG command.
All flags should be enabled by default.
Older firmware is not affected as it does not look into
this field.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Instead of keeping the fw_key_table bits set when the keys are removed
(i.e. in D3 entry or HW_RESTART flows), clear them and set them again
only when the keys have been successfully re-added. This makes the
bitmask more closely tied to the actual firmware programming.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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9000 family devices have 31 queues.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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When the op_mode sends an skb whose payload is bigger than
MSS, PCIe will create an A-MSDU out of it. PCIe assumes
that the skb that is coming from the op_mode can fit in one
A-MSDU. It is the op_mode's responsibility to make sure
that this guarantee holds.
Additional headers need to be built for the subframes.
The TSO core code takes care of the IP / TCP headers and
the driver takes care of the 802.11 subframe headers.
These headers are stored on a per-cpu page that is re-used
for all the packets handled on that same CPU. Each skb
holds a reference to that page and releases the page when
it is reclaimed. When the page gets full, it is released
and a new one is allocated.
Since any SKB that doesn't go through the fast-xmit path
of mac80211 will be segmented, we can assume here that the
packet is not WEP / TKIP and has a proper SNAP header.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The transport will need to use the info->driver_data
pointers. Since the op_mode has this memory hot in cache,
clear it there.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The code that handles the TBs that contain the WiFi payload
will be changed for TSO. Move the current code into a
separate function.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Differentiate between the cases where the skb is a large
send and the other cases.
Advertise TSO even if, at this stage, skb_gso_segment will
be called and it will do all the work.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Allow to configure the driver to pretend to have TX CSUM
offload support. This will be useful to test the TSO flows
that will come in further patches.
This configuration is disabled by default.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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ilw@linux.intel.com is not available anymore.
linuxwifi@intel.com should be used instead.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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* don't load firmware that won't exist for 7260
* fix RCU splat
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Major changes:
ath9k
* add random number generator support (CONFIG_ATH9K_HWRNG)
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Move constants to the right of binary operators.
Generated by: scripts/coccinelle/misc/compare_const_fl.cocci
type=cleanup
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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RFC4862 states that "In all cases, a node MUST NOT respond to
a Neighbor Solicitation for a tentative address".
Currently the driver configures the NS offload and does not wait
for address to become permanent, thus violating the RFC.
Just removing the address from the address list is not good enough
for all cases, since the NS messages are needed for the duplicate
address detection and should not be discarded.
For d0i3 disable NS offload. Put tentative address in the address
list so the NS packet will not be filtered out by ucode.
For D3 the platform will not wake from NS packets - so enable
NS offload while removing the tentative address from the list.
Given that now NS offload might be disabled, and that the ucode
uses the IP data for other puroposes (L3 filtering) add two
independent flags indicating if IPv4\IPv6 data is valid.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Today, in order to configure fw in usniffer mode, the ucode
must have the corresponding tlv, which is revealed to the driver
while parsing the ucode.
Expose the mode of the usniffer to other utilities in the driver
(other than the ucode parser) by passing back a pointer to the value.
This can be very useful for allowing configuring the fw dbg data
using an external configuration file, because this configuration
depends on the fw usniffer mode.
Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Mesh Point requires peer security key install when running
in secured mode since it's a type of peer links, otherwise peer
link will be removed due to key install failure.
MFP feature set is required to run Mesh in secured mode and
QCA988X firmware, 10.2.4.70.14-2 and above, is the only one
supporting secured Mesh at this moment.
Signed-off-by: Peter Oh <poh@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Properly protect the RCU dereference in iwl_mvm_get_key_sta_id() when
coming from iwl_mvm_update_tkip_key() which cannot hold the mvm->mutex
by moving the call into the RCU critical section.
Modify the check to use rcu_dereference_check() to permit this.
Fixes: 9513c5e18a0d ("iwlwifi: mvm: Avoid dereferencing sta if it was already flushed")
Reported-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The 7260 devices aren't going to be updated for completely new
firmware versions any more (only bugfixes), and haven't been
since API version 17. Encode that in the data structures to
avoid trying to load FW images that will never exist.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The d0i3_mode variable is used to distinguish between transports that
handle d0i3 entry during suspend by themselves (i.e. the slave
transports) and those which rely on the op_mode layer to do it. The
reason why the former do it by themselves is that they need to
transition from d0i3 in runtime_suspend into d0i3 in system-wide
suspend and this transition needs to happen before the op_mode's
suspend flow is called.
The wowlan_d0i3 element is also a bit confusing, because it just
reflects the wowlan->any value for the trans to understand. This is a
bit unclear in the code and not generic enough for future use.
To make it clearer and to generalize the platform power mode settings,
introduce two variables to indicate the platform power management
modes used by the transport.
Additionally, in order not to take too big a step in one patch, treat
this new variables semantically in the same way as the old d0i3_mode
element, introducing a iwl_mvm_enter_d0i3_on_suspend() function to
help with that.
This commit also adds the foundation for a new concept where the
firmware configuration state (i.e. D0, D3 or D0i3) is abstracted from
the platform PM mode we are in (i.e. runtime suspend or system-wide
suspend).
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Remove the vif parameter of iwl_mvm_configure_bcast_filter()
as it's not being used.
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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d0i3 commands are not supported in the init image, so take
a reference to ensure we don't enter d0i3 during init image,
and additional checks to prevent d0i3 commands when no
fw image is loaded.
Add a few WARN_ON_ONCE to the d0i3 enter/exit commands
to ensure we send d0i3 commands only when the normal
ucode is loaded.
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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When we have holes in the BA window, there might be frames
that have been ACKed between the read and the right
pointers. This means that these frames won't be scheduled
again by the SCD and the firwmare won't see them.
This invalidates the number of frames we tell the firmware
to send. When we detect this case, tell mac80211 to close
the SP and to send an EOSP so that the firmware can be in
sync.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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This pull request got a bit bigger than I wanted, due to
needing to reshuffle and fix some bugs. I merged mac80211
to get the right base for some of these changes.
* new mac80211 API for upcoming driver changes: EOSP handling,
key iteration
* scan abort changes allowing to cancel an ongoing scan
* VHT IBSS 80+80 MHz support
* re-enable full AP client state tracking after fixes
* various small fixes (that weren't relevant for mac80211)
* various cleanups
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Host commands now have a group id, express this in printed messages.
Signed-off-by: Sharon Dvir <sharon.dvir@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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This function got too big to be inlined. Uninline it.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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We send an ADD_STA to instruct the firmware to release
frames despite the peer being in PS.
Since the ADD_STA command and the Tx frame that comes
immediately afterwards can be reordered by the DMA engine,
we need to block the Tx queues until the firmware replies
with the ADD_STA response.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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This allows the op_mode to request from the transport to
call a callback when an ASYNC commands is completed by
the firmware. The same callback will be called for all the
commands. Pass the command whose response triggers the
callback as a parameter to the callback itself.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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In certain flows (see next patches), the op_mode may need to
block the Tx queues for a short period. Provide an API for
that. The transport is in charge of counting the number of
times the queues are blocked since the op_mode may block the
queues several times in a row before unblocking them.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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commit 9a4c830007817e ("iwlwifi: mvm: refactor d3 key
update functions") refactored some code into
iwl_mvm_wowlan_config_key_params() function, but the
return value was never checked, and not all the function
flows returned valid values. fix it.
Fixes: ac8ef0ce38de ("iwlwifi: mvm: refactor d3 key update functions")
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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iwl_mvm_restart_cleanup() calls ieee80211_remain_on_channel_expired()
on cleanup, but it doesn't clean the actual roc time
events, resulting in failure of further ROC attempts.
Refactor iwl_mvm_stop_roc() a bit, and add a new function
to only cleanup the roc time events (without sending further
commands).
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Smatch prints a static checker warning here:
drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c:386 iwl_dump_prph()
warn: curly braces intended?
Curly braces are NOT intended, the extra tab was added by mistake in
commit 1a616dd2f171 ('iwlwifi: dump prph registers in a common place
for all transports').
type=cleanup
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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If the transport supports it, advertise NETIF_F_SG to mac80211 to
be able to use frag SKBs. This will already improve performance by
allowing software GSO to be used.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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If the transport supports it, advertise NETIF_F_SG to mac80211 to
be able to use frag SKBs. This will already improve performance by
allowing software GSO to be used.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Klocwork pointed these out. There is a theoretical possibility
that rate->index might be set to IWL_RATE_INVALID (15).
This could trigger an out of bounds access on ht_vht_rates or
legacy_rates arrays. Fix it by adding some checks.
Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Change scan configuration (dwell time, suspend time etc.) according
to traffic conditions. This is useful for scans that are managed by
the FW (e.g. scheduled scan).
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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When sending the first ADD_STA HCMD for a STA, the %add_modify
field indicates an addition of a STA and not a modification
of one. In such a case, all fields of the HCMD are used to
initialize the corresponding fields in the FW, regardless of
what bits are set in %modify_mask.
Set the %tid_disable_tx field to mvm_sta->tid_disable_agg in
iwl_mvm_sta_send_to_fw(). If the STA is only updated this will
have no effect, but if it is added - it will make sure the
STA starts with the correct queues - if any - configured as
non-aggregated by default (until told otherwise).
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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