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2009-10-07staging: Add proper selection of WIRELESS_EXT and WEXT_PRIVLarry Finger
After the incorporation of the patch entitled "wext: refactor", some of the wireless drivers in drivers/staging fail to build because they need to have CONFIG_WIRELESS_EXT and CONFIG_WEXT_PRIV defined. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07wext: refactorJohannes Berg
Refactor wext to * split out iwpriv handling * split out iwspy handling * split out procfs support * allow cfg80211 to have wireless extensions compat code w/o CONFIG_WIRELESS_EXT After this, drivers need to - select WIRELESS_EXT - for wext support - select WEXT_PRIV - for iwpriv support - select WEXT_SPY - for iwspy support except cfg80211 -- which gets new hooks in wext-core.c and can then get wext handlers without CONFIG_WIRELESS_EXT. Wireless extensions procfs support is auto-selected based on PROC_FS and anything that requires the wext core (i.e. WIRELESS_EXT or CFG80211_WEXT). Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07atheros: define a common priv structLuis R. Rodriguez
hw code should never use private driver data, but sometimes we need a backpointer so just stuff it on the common ath struct. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07nl80211: report age of scan resultsHolger Schurig
Linux keeps scan results up to 15 seconds. This can be a problem for fast moving clients: they get back stale data. But if the kernel reports the age of the BSS items, then user-space can simply weed out old entries by itself. Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k_hw: add AR9271 srev and device ID to allow hw to support ar9271Luis R. Rodriguez
This allows for hw support to be enabled for ar9271. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k_hw: print device ID if not supportedLuis R. Rodriguez
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k: move hw code to its own moduleLuis R. Rodriguez
hw code for Atheros 802.11n hardware is commmon between different chipsets. This moves this code into a separate module, the next expected user of this code will be the ath9k_htc module. The ath9k/ dir is now selected by ATH9K_HW, an option which gets selected by either ath9k or ath9k_htc, but remains invisible for user menuconfig configuration. If either ath9k or ath9k_htc will be compiled into the kernel ath9k_hw will also be compiled in. Cc: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k: use common read/write ops on pci and debug codeLuis R. Rodriguez
PCI and debug code will not be shared between ath9k and ath9k_htc, so make that code use the common read/write ops. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07b43: Comment unused functions lpphy_restore_dig_flt_state and ↵Jaswinder Singh Rajput
lpphy_disable_rx_gain_override Commenting unused functions lpphy_restore_dig_flt_state and lpphy_disable_rx_gain_override, may be we need these functions in future. This also fixed following compilation warnings : CC [M] drivers/net/wireless/b43/phy_lp.o drivers/net/wireless/b43/phy_lp.c:383: warning: ‘lpphy_restore_dig_flt_state’ defined but not used drivers/net/wireless/b43/phy_lp.c:891: warning: ‘lpphy_disable_rx_gain_override’ defined but not used Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: drop lib80211 dependencyChristian Lamparter
Ever since Johannes' "iwlwifi: improve scan support" iwlwifi no longer needs any of lib80211's functions or definitions. This patch updates iwlwifi's Kconfig _selections_ and removes all left lib80211.h inclusions from the source files. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Acked-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k: Fix bugs in handling TX powerSenthil Balasubramanian
* Get power table offset from the EEPROM instead of using a hardcoded value of -5 if the EEPROM rev is >= 21. * Add support in the 4k eeprom code for tx power offset in case we have a 4k AR9280 implementation. * Fix tx power accuracy at high powers. Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k: Advertise midband for AR5416 devicesSenthil Balasubramanian
This has to be done if the EEPROM supports FCC Midband capability. Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k: Reduce PLL Settle time and eliminate redundant PLL calls.Senthil Balasubramanian
Reduce PLL Settle time and eliminate redundant PLL calls. Also reduce the LoadNF timeout from 10 msec to 250usec as the 10 msec timeout was hit with AR9285 in some cases. Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k: Handle ATH9K_BEACON_RESET_TSF properlySenthil Balasubramanian
Clearing a local variable is unnecessary. Get rid of it. Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k: Allow PSPOLL only when the interface is configured in AP modeSenthil Balasubramanian
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k: Update initvalsVasanthakumar Thiagarajan
* Move 0xa274 and 0xa27c to the top of tx_gain table. * Update initvals to fix random failure of noise floor calibration. Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k: Fix RTC reset for AR5416Sujith
For AR5416 chipsets, clearing RTC_RESET_EN when setting the chip to SLEEP mode results in high power consumption. This patch fixes this issue by not clearing it for AR5416. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k: Update INI release for AR9287Sujith
If the current channel is between 2412 and 2472 MHz and if the channel is changing to 2484 MHz, then the registers 0xa1f4, 0xa1f8 and 0xa1fc need to be programmed to the "japan_2484" values. Conversely, if the current channel is 2484 MHz and if the channel is changing to one between 2412 and 2472 MHz, then the three registers need to be programmed to the "normal" values. This is needed for compliance with Japanese regulatory requirements. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k: Add Calibration checksVivek Natarajan
* Prevent divide-by-zero errors in IQ Calibration. * Do not run temperature compensation if initPDADC or currPDADC is zero. * Also, introduce a separate function for handling OLC for AR9287. Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ar9170: handle overflow in tsf_low register during get_tsfJoerg Albert
ar9170_op_get_tsf: handle a carry from TSF_L into TSF_H by reading TSF_H twice. Signed-off-by: Joerg Albert <jal2@gmx.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ar9170: add heavy clip handlingJoerg Albert
add heavy clip handling for 2.4GHz only (similar to the vendor driver). Signed-off-by: Joerg Albert <jal2@gmx.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ar9170: fixed coding style, moved defineJoerg Albert
This patch fixes some coding style issues and moves MAX_RATE_POWER into hw.h Signed-off-by: Joerg Albert <jal2@gmx.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: add module firmware info for 1000 seriesHuaxu Wan
The module firmware information of 1000 series is missing from iwlagn. Signed-off-by: Huaxu Wan <huaxu.wan@linux.intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: support idle for 6000 series hwJohannes Berg
Using powersave while idle saves a lot of power, but we've had problems with this on some cards (5150 has been reported to be problematic). However, on the new 6000 series we're seeing no problems, so for now let that hardware benefit from idle mode, we can look at the problems with other hardware one by one and then enable those once we figure out the problems. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: Chain Noise Calibration for 6000 seriesWey-Yi Guy
Adding support of Chain Noise Calibration for 6000 series NICs. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: default to using all chainsJohannes Berg
When instructing the microcode to use just a single chain when we have power saving enabled, we should also tell the AP that we are doing SM powersave. However, using a single chain doesn't actually have any power saving advantage while idle -- measurements show that the power consumption is no different when using one vs. two or three chains. Therefore, always instruct the microcode to use all chains. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: fix a typoJohannes Berg
We never have four chains, but let's fix the typo while we noticed it. You count 0, 1, 2, 3, not 0, 1, 2, 4 :) Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: add LED mode to support different LED behaviorWey-Yi Guy
Today's implementation allow LED to blink based on the traffic condition. We introduce an additional LED mode that reflects the RF state. The supported LED modes after this are: IWL_LED_BLINK (current/default) - blink rate based on current Tx/Rx traffic IWL_LED_RF_STATE (new) - LED OFF: No power/RF disabled, the LED is emitting no light LED ON: Powered/RF enabled, the LED is emitting light in a stable non-flashing state. In order to provide the flexibility to support different LED behavior per user/system preference we add "led_mode" iwlcore module parameter. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: update PCI Subsystem ID for 6000 seriesWey-Yi Guy
Update PCI Subsystem ID for 60x0 series based on HW SKU. Adding new SKU for "ABG" and "BG" only devices. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: update PCI Subsystem ID for 1000 seriesWey-Yi Guy
Update PCI Subsystem ID for 1000 series based on HW SKU. Adding new SKU for "BG" only devices. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: send cmd to uCode to configure valid tx antennaWey-Yi Guy
In order for uCode to select the valid antennas for transmit, driver need to configure the allowed tx antennas through host command. The TX_ANT_CONFIGURATION_CMD should be used for 5000 series and up Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: add aggregation tables to the rate scaling algorithmDaniel C Halperin
Current rate scale algorithm fluctuates between different MIMO modes fairly rapidly, causing widely varying performance. These fluctuations occur because in the rate_scale tables for expected throughput the values are not very different for different modes. However, when aggregation is turned on and MAC overhead is reduced, the expected throughput for different MIMO modes grows and different modes have vastly different performance. Add expected throughput tables for this case. We also need to keep track of aggregation status per-station, so we add the "is_agg" field to struct lq_sta. Also includes cleanup of comments and variable names in/around the affected code. Signed-off-by: Daniel C Halperin <daniel.c.halperin@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: do not clear TX info flags when receiving BlockAckResponseDaniel C Halperin
OR-in AMPDU flags rather than assigning them. This lets the TX status for aggregated packets be processed by rs_tx_status. Signed-off-by: Daniel C Halperin <daniel.c.halperin@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: clean up rs_tx_statusDaniel C Halperin
Cut down on redundant code, reorganize structure, and add/improve comments. Should contain no functional changes. Signed-off-by: Daniel C Halperin <daniel.c.halperin@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: use S_IRUGO and S_IWUSR in module parametersWey-Yi Guy
Instead of hardcode module parameter's permissions, use pre-defined. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: EEPROM version for 1000 and 6000 seriesWey-Yi Guy
Update EEPROM version requirement for 1000 and 6000 series of NIC for EEPROM version verification. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: allow user change protection mechanism for HTWey-Yi Guy
Allow user to change protection mechanism for HT between RTS/CTS and CTS-to-self through sysfs: Show current protection mechanism for HT cat /sys/class/net/wlan0/device/rts_ht_protection Change protection mechanism for HT (only allowed while not-associated) CTS-to-self: echo 0 > /sys/class/net/wlan0/device/rts_ht_protection RTS/CTS: echo 1 > /sys/class/net/wlan0/device/rts_ht_protection Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: Use RTS/CTS as the preferred protection mechanism for 6000 seriesWey-Yi Guy
When 802.11g was introduced, we had RTS/CTS and CTS-to-Self protection mechanisms. In an HT Beacon, HT stations use the "Operating Mode" field in the HT Information Element to determine whether or not to use protection. The Operating Mode field has 4 possible settings: 0-3: Mode 0: If all stations in the BSS are 20/40 MHz HT capable, or if the BSS is 20/40 MHz capable, or if all stations in the BSS are 20 MHz HT stations in a 20 MHz BSS Mode 1: used if there are non-HT stations or APs using the primary or secondary channels Mode 2: if only HT stations are associated in the BSS and at least one 20 MHz HT station is associated. Mode 3: used if one or more non-HT stations are associated in the BSS. When in operating modes 1 or 3, and the Use_Protection field is 1 in the Beacon's ERP IE, all HT transmissions must be protected using RTS/CTS or CTS-to-Self. By default, CTS-to-self is the preferred protection mechanism for less overhead and higher throughput; but using the full RTS/CTS will better protect the inner exchange from interference, especially in highly-congested environment. For 6000 series WIFI NIC, RTS/CTS protection mechanism is the recommended choice for HT traffic based on the HW design. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: clarify and clean up chain settingsJohannes Berg
The chain settings we currently use in iwlwifi are rather confusing -- and we also go by the wrong settings entirely under certain circumstances. To clean it up, create a new variable in the current HT config -- single_chain_sufficient -- that tells us whether we need more than one chain. Calculate that based on the AP and operating mode (no IBSS HT implemented -- so no need for multiple chains, for station mode we use the AP's capabilities). Additionally, since APs always send disabled SM PS mode, keeping track of their sm_ps mode isn't very useful -- doubly not so for our _own_ RX config since that should depend on our, not the AP's, SM PS mode. Finally, document that our configuration of the number of RX chains used is currently wrong when in powersave (by adding a comment). All together this removes the two remaining items in struct iwl_ht_config that were done wrong there. For the future, the number of RX chains and some SM PS handshaking needs to be added to mac80211, which then needs to tell us, and the new variable current_ht_config.single_chain_sufficient should also be calculated by mac80211. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Daniel C Halperin <daniel.c.halperin@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: show NVM version in debugfsWey-Yi Guy
Show version number along with dumping NVM data, the version information being removed from sysfs, add it back to debugfs to help debugging. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: clean up ht config namingJohannes Berg
Daniel Halperin pointed out that the naming here is rather inconsistent with at least 3 different names being used for one thing in different contexts. Rename the struct to iwl_ht_config (rather than iwl_ht_info) and use ht_conf as a variable for it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Daniel C Halperin <daniel.c.halperin@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: Adjust blink rate to compensate Clock differenceWey-Yi Guy
Adjust led blink rate to compensate on a MAC Clock difference on every HW. Led blink rate analysis showed an average deviation of 0% on 3945, 5% on 4965 HW and 20% on 5000 series and up. Need to compensate on the led on/off time per HW according to the deviation to achieve the desired led frequency The calculation is: (100-averageDeviation)/100 * blinkTime For code efficiency the calculation will be: compensation = (100 - averageDeviation) * 64 / 100 NewBlinkTime = (compensation * BlinkTime) / 64 Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: clean up ht config a littleJohannes Berg
is_ht can be bool instead of u8, and there's no need to use IWL_CHANNEL_WIDTH_* constants in supported_chan_width when that could just be named is_40mhz instead. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: separate set_hw_params function for 6000 seriesWey-Yi Guy
Separate set_hw_params() function for 6000 series from 5000/1000 series because: 1) 6000 series use different set of sensitivity range table 2) 6000 series has different uCode image size Also include the new sensitivity parameters needed by sensitivity algorithm. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: separate nic_config for different NICWey-Yi Guy
Different NIC has different requirements for configuration. Currently all 5000 series hardware and later share the same configuration function even though they do not need the same configurations. Fix this by separating the needed configuration actions for each hardware model. .5000 series: L1-ASPM H/W bug work-around configure radio write CSR_HW_IF_CONFIG_REG for uCode use work-around for NIC get stuck after early PCIe power off .1000 series: write CSR_HW_IF_CONFIG_REG for uCode use setting digital SVR for 1000 card to 1.32V .6000 series: configure radio write CSR_HW_IF_CONFIG_REG for uCode use write CSR_GP_DRIVER_REG to indicate radio sku Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: remove un-supported eeprom parametersWey-Yi Guy
Remove few of the parameters not used and no longer valid in EEPROM. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07iwlwifi: modify LED blink index tableWey-Yi Guy
Modify LED blink index table to include 1Mbps. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k: make ath9k_common_ops constLuis R. Rodriguez
As noted by Jiri. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07atheros: move bus ops to ath_commonLuis R. Rodriguez
This is the last part to make ath9k hw code core driver agnostic. I believe ath9k_htc can now use use the hw code unmodified. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-10-07ath9k: move ATH9K_RSSI_BAD to hw.hLuis R. Rodriguez
mac.c is now core driver independent. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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