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drivers/net/wireless/intel/iwlwifi/iwl-io.c:243:2-3: Unneeded semicolon
Remove unneeded semicolon.
Generated by: scripts/coccinelle/misc/semicolon.cocci
CC: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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In DQA mode, a delBA might free the queue although it
shouldn't. Fix that.
Fixes: cf941e174ee2 ("iwlwifi: mvm: support dqa-mode agg on non-shared queue")
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Since the SCD_QUEUE_CFG command was introduced the driver
calls iwl_trans_txq_enable_cfg() with a NULL for scd_cfg
parameter.
This makes the transport avoid writing to the SCD pointers,
since it can cause races with firmware, which is also accessing
the registers.
The transport only updates the write pointer in that case.
Fix a wrong call to iwl_trans_txq_enable() which caused a
scd_cfg parameter to be sent to transport, resulting with an
access to SCD registers.
Fixes: 58f2cc57dc6a ("iwlwifi: mvm: support dqa-mode scd queue redirection")
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Off-channel action frames (such as ANQP frames) must be sent either on
the AUX queue or on the offchannel queue, otherwise the firmware will
cause a SYSASSERT.
In the current implementation, the queue to be used is correctly set in
the original skb, but this is done after it is copied. Thus the copy
remains with the original, incorrect queue.
Fix this by setting the queue in the original skb before copying it.
Fixes: commit 5c08b0f5026f ("iwlwifi: mvm: don't override the rate with the AMSDU len")
Cc: stable@vger.kernel.org # v4.6+
Signed-off-by: Beni Lev <beni.lev@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 4.9
Major changes:
iwlwifi
* preparation for new a000 HW continues
* some DQA improvements
* add support for GMAC
* add support for 9460, 9270 and 9170 series
mwifiex
* support random MAC address for scanning
* add HT aggregation support for adhoc mode
* add custom regulatory domain support
* add manufacturing mode support via nl80211 testmode interface
bcma
* support BCM53573 series of wireless SoCs
bitfield.h
* add FIELD_PREP() and FIELD_GET() macros
mt7601u
* convert to use the new bitfield.h macros
brcmfmac
* add support for bcm4339 chip with modalias sdio:c00v02D0d4339
ath10k
* add nl80211 testmode support for 10.4 firmware
* hide kernel addresses from logs using %pK format specifier
* implement NAPI support
* enable peer stats by default
ath9k
* use ieee80211_tx_status_noskb where possible
wil6210
* extract firmware capabilities from the firmware file
ath6kl
* enable firmware crash dumps on the AR6004
ath-current is also merged to fix a conflict in ath10k.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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If device family is 8000 then iwl_pcie_load_cpu_sections()
won't be called at all (iwl_pcie_load_cpu_sections_8000() is
called in that case) so this piece of code never gets called.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Turns out we should access TFH relative addresses.
Also, the FH_UCODE_LOAD_STATUS was replaced by
UREG_UCODE_LOAD_STATUS.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Up till now we accessed SCD configuration only for initial
configuration and for enabling command queue.
For a000 generation the command queue is open by default
and firmware configures the rest. No driver SCD accesses
are expected. Make sure this is the case.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Add a new config struct for the new 9170 series and add
the first PCI ID for it.
Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Add a new config struct for the new 9270 series and add
the first PCI ID for it.
Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Add 4 more new 9460 series PCI IDs.
Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Add a new series to the 9000 series called 9460.
In addition, add a new PCI ID that is the 9460 new series.
Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Rename and reorder the 9000 series configuration structs:
- struct containing configuration of 5165 was renamed to 9000.
Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Every active TXQ is assigned to a TID given through the
SCD_CONFIG_CMD, and acts as an identifier in the FW. However,
there may be cases this ownership needs to be changed.
For example, in the following scenario:
1. TID x is owner of a queue
2. Due to a shortage of queues, TID y and z share with x
3. TID x becomes inactive and needs to be removed from the
shared queue.
In this scenario, if another queue is freed and traffic on x
continues, we can't allocate it a new queue as long as it is
the owner of the first queue.
Support moving ownership of a TXQ to a different TID (same
STA) without stopping the queue.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Due to the addition of another option in the SCD_CONFIG_CMD's
%enable field, change the assignment of this field to use
defines rather than hard-code the value itself.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When working in DQA mode, if a queue is shared and a HW restart
occurs, there might be a possible race condition between
stations on the queues, and an existing queue might be left
with no queues.
To solve this, make sure in DQA mode to re-assign the same
queues as before the HW restart.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When sending the SCD_QUEUE_CONFIG command, the queue is
associated to a specific TID. If later there is a need to
use this TID on a different queue instead, it first needs to
be unassociated from the first queue.
Keep track for every queue what TID is associated with it.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When a shared queue becomes unshared, aggregations should be
re-enabled if they've existed before. Make sure that they do
this, if required.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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For a000 devices there is a support of 64 bit DMA addressing.
The paging command was changed accordingly - support it.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Add support for installing and removing GMAC key
for newer FW versions that support GCM and MFP.
GMAC provides authentication and integrity for multicast management
frames.
Firmware API was changed, update the driver accordingly.
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The 9000 hardware will de-aggregate AMSDUs. In the process
it will copy the mac header "as is" to the new MPDUs.
This means driver should allow the same PN for MPDUs originated
from the same AMSDU.
Do that by incrementing the PN only for the last MPDU in the
sequence.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The iwlmvm driver supports channel width change in AP mode. Add the
proper flag.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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fw-dbg code return ret but that variable was either 0
or not initialised. Return 0 always.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Fixes: 6a95126763fb ("iwlwifi: mvm: send dbg config hcmds to fw if set in tlv")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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wdev_to_ieee80211_vif() might return NULL.
Check that vif != NULL before dereferencing it.
Signed-off-by: Sharon Dvir <sharon.dvir@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When the user really wanted a dump on P2P Client, he
coudln't get it because we checked vif->type but didn't
take vif->p2p into account. Fix that.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
* bump firmware version to load newer firmwares
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The driver is now ready to load the new firmware versions.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 4.8
Major changes:
iwlwifi
* more work on the RX path for the 9000 device series
* some more dynamic queue allocation work
* SAR BIOS implementation
* some work on debugging capabilities
* added support for GCMP encryption
* data path rework in preparation for new HW
* some cleanup to remove transport dependency on mac80211
* support for MSIx in preparation for new HW
* lots of work in preparation for HW support (9000 and a000 series)
mwifiex
* implement get_tx_power and get_antenna cfg80211 operation callbacks
wl18xx
* add support for 64bit clock
rtl8xxxu
* aggregation support (optional for now)
Also wireless-drivers is merged to fix some conflicts.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The iwl-debug.h header relies in implicit inclusion of linux/device.h and
we get a lot of warnings without that:
drivers/net/wireless/intel/iwlwifi/iwl-debug.h:44:23: error: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
void __iwl_err(struct device *dev, bool rfkill_prefix, bool only_trace,
^~~~~~
In file included from drivers/net/wireless/intel/iwlwifi/iwl-eeprom-read.h:66:0,
from drivers/net/wireless/intel/iwlwifi/iwl-eeprom-read.c:68:
drivers/net/wireless/intel/iwlwifi/iwl-trans.h: In function 'iwl_trans_tx':
drivers/net/wireless/intel/iwlwifi/iwl-trans.h:1030:348: error: passing argument 1 of '__iwl_err' from incompatible pointer type [-Werror=incompatible-pointer-types]
IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
^
In file included from drivers/net/wireless/intel/iwlwifi/iwl-eeprom-read.c:67:0:
drivers/net/wireless/intel/iwlwifi/iwl-debug.h:44:6: note: expected 'struct device *' but argument is of type 'struct device *'
void __iwl_err(struct device *dev, bool rfkill_prefix, bool only_trace,
^~~~~~~~~
The easiest workaround is to just declare 'struct device' before its first use,
rather than including the entire header file.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 21cb3222fe56 ("iwlwifi: decouple PCIe transport from mac80211")
Acked-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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This is to fix some conflicts in iwlwifi.
Conflicts:
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
drivers/net/wireless/intel/iwlwifi/mvm/scan.c
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
* work on DQA continued
* SAR BIOS implementation
* some work on debugging capabilities
* added support for GCMP encryption
* data path rework in preparation for new HW
* some cleanup to remove transport dependency on mac80211
* support for MSIx in preparation for new HW
* lots of work in preparation for HW support (9000 and a000 series)
* general cleanups
* general bugfixes
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All transports has this structure. By moving it to be
shared, we can get rid of casting to the specific transport
in probe and remove.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Centralize the logging of SCD status. The motivation is
that for a000 devices we will have new SCD HW, but this
code was duplicate anyway, so it is a proper cleanup.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Add support for the v4 version of the TX power command. Just add a
new version and do the same sizing tricks that were done when support
for v3 was introduced.
This patch doesn't support the new functionality introduced, but makes
the driver work with the new size of the command.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Update the firmware load flow for TFH hardware.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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For a000 device the FH was replaced by the TFH.
This is the first patch in a series introducing the
changes stemming from this change.
This patch initializes the TFQ queue table with the new
64 bit register and the relevant TFH configuration
registers.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Move the write_prph_64 of pcie to be transport agnostic.
Add direct write as well, as it is needed for a000 HW.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Currently the scratch buffer is set to 16 bytes and indicates
the size of the bi-directional DMA.
However, next HW generation will perform additional offloading,
and will write the result in the key location of the TX command,
so the size of the bi-directional consistent memory should grow
accordingly - increase it to 40.
Generalize the code to get rid of now irrelevant scratch references.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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In MQ environment and new architecture in early stages
we may encounter DMA issues. Track RXB status and bail
out in case we receive index to an RXB that was not
mapped and handed over to HW.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Upon firmware load interrupt (FH_TX), the ISR re-enables the
firmware load interrupt only to avoid races with other
flows as described in the commit below. When the firmware
is completely loaded, the thread that is loading the
firmware will enable all the interrupts to make sure that
the driver gets the ALIVE interrupt.
The problem with that is that the thread that is loading
the firmware is actually racing against the ISR and we can
get to the following situation:
CPU0 CPU1
iwl_pcie_load_given_ucode
...
iwl_pcie_load_firmware_chunk
wait_for_interrupt
<interrupt>
ISR handles CSR_INT_BIT_FH_TX
ISR wakes up the thread on CPU0
/* enable all the interrupts
* to get the ALIVE interrupt
*/
iwl_enable_interrupts
ISR re-enables CSR_INT_BIT_FH_TX only
/* start the firmware */
iwl_write32(trans, CSR_RESET, 0);
BUG! ALIVE interrupt will never arrive since it has been
masked by CPU1.
In order to fix that, change the ISR to first check if
STATUS_INT_ENABLED is set. If so, re-enable all the
interrupts. If STATUS_INT_ENABLED is clear, then we can
check what specific interrupt happened and re-enable only
that specific interrupt (RFKILL or FH_TX).
All the credit for the analysis goes to Kirtika who did the
actual debugging work.
Cc: <stable@vger.kernel.org> [4.5+]
Fixes: a6bd005fe92 ("iwlwifi: pcie: fix RF-Kill vs. firmware load race")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The PCIe transport needs to store two pointers in each TX SKB, and
currently assumes mac80211's ieee80211_tx_info is present in the CB
to do that.
In order to remove that assumption, have the opmodes pass in the
offset to where the pointers can be stored in the CB and use the
offset in the PCIe code.
To make the disentanglement complete, remove mac80211.h includes
from everywhere in the generic iwlwifi code. This required adding
an include of cfg80211.h in one place.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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In order to be able to properly record SKBs that didn't come through
mac80211, don't rely on the IEEE80211_TX_CTRL_PORT_CTRL_PROTO flag
but instead check for ETH_P_PAE directly.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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In order to reduce reliance on mac80211 structs in the core
iwlwifi code, store the cipher schemes in the format given
by the firmware and convert it later, rather than storing it
in the mac80211 format.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Restart flow zeroes the rx_ba_sessions counter. Mac80211 asks
driver to tear down of the session only afterwards, and as a
result driver didn't free the data. Fix it.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Fixes: 10b2b2019d81 ("iwlwifi: mvm: add infrastructure for tracking BA session in driver")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Add some prints to track BAID assignment.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Make sure that in DQA mode, the SCD's configuration of a
queue is redirected to the lower AC of the streams of the
queue.
Make sure that this queue is redirected to the lowest AC
when adding a new RA/TID to an existing queue. If it isn't -
redirect the queue.
Also, as redirection revealed a bug in the marking of a
shared queue, this patch contains a small fix to make
sure a shared queue maintains the appropriate "shared queue
marking".
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Support TDLS when working in DQA mode.
This is done mainly by NOT doing any special things
for TDLS, as the queues are dynamically created anyway,
so no need to allocate them ahead of time.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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In cases of hardware or DMA error, the vid read from
a zeroed location will be 0, and we will access the rxb
at index 0 in the global table, while it may be NULL or
owned by hardware.
Invalidate vid 0 in order to detect the situation and
bail out.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This led to a DMA splat.
Fixes: a6c4fb4441f4 ("iwlwifi: mvm: Add FW paging mechanism for the UMAC on PCI")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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