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* [ETHTOOL] Provide default behaviors for a few ethtool sub-ioctlsJeff Garzik2007-10-1038-101/+13
| | | | | | | | | | | | | | | | | | | | | | | | | For the operations get-tx-csum get-sg get-tso get-ufo the default ethtool_op_xxx behavior is fine for all drivers, so we permit op==NULL to imply the default behavior. This provides a more uniform behavior across all drivers, eliminating ethtool(8) "ioctl not supported" errors on older drivers that had not been updated for the latest sub-ioctls. The ethtool_op_xxx() functions are left exported, in case anyone wishes to call them directly from a driver-private implementation -- a not-uncommon case. Should an ethtool_op_xxx() helper remain unused for a while, except by net/core/ethtool.c, we can un-export it at a later date. [ Resolved conflicts with set/get value ethtool patch... -DaveM ] Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] drivers/net: statistics cleanup #1 -- save memory and shrink codeJeff Garzik2007-10-1083-1763/+948
| | | | | | | | | | | | | | | | | We now have struct net_device_stats embedded in struct net_device, and the default ->get_stats() hook does the obvious thing for us. Run through drivers/net/* and remove the driver-local storage of statistics, and driver-local ->get_stats() hook where applicable. This was just the low-hanging fruit in drivers/net; plenty more drivers remain to be updated. [ Resolved conflicts with napi_struct changes and fix sunqe build regression... -DaveM ] Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* drivers/net/: all drivers/net/ cleanup with ARRAY_SIZEDenis Cheng2007-10-1037-78/+70
| | | | | Signed-off-by: Denis Cheng <crquan@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [NET]: Nuke SET_MODULE_OWNER macro.Ralf Baechle2007-10-10251-341/+0
| | | | | | | | | | | | It's been a useless no-op for long enough in 2.6 so I figured it's time to remove it. The number of people that could object because they're maintaining unified 2.4 and 2.6 drivers is probably rather small. [ Handled drivers added by netdev tree and some missed IRDA cases... -DaveM ] Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* S2io: code Optimization of isr functionSivakumar Subramani2007-10-102-97/+61
| | | | | | | | | | | | | | | | | | | | | | | | - Code Optimization of s2io_isr function. - Isr check using per device napi variable instead of driver global. - Reduced from 3 to 1 if condition before check for processing packet receive packets. - Implemented Jeff's comment to use synchronize_irq. Removed the isr_cnt variable as it became redundant. - One time de assert the interrupts by writing all F's to the general_int_mask register instead of de asserting by clearing the source of interrupts with multiple writes which causes loss of interrupts (race conditions). It is entirely possible that before the driver has a chance to mask the asserted alarm bit, another alarm/traffic interrupt bit gets asserted as well. In this case Herc will keep the INTA line asserted and the bridge will not send a new Assert_INTA message upstream. [ Resolved conflicts due to napi_struct changes... -DaveM ] Signed-off-by: Sivakumar Subramani <sivakumar.subramani@neterion.com> Signed-off-by: Santosh Rastapur <santosh.rastapur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* S2io: Check for device state before handling trafficSivakumar Subramani2007-10-102-22/+46
| | | | | | | | | | | - Added check to return from the traffic handling function, if the card status is DOWN. - Implemented Jeff's comments on incorrect return value in s2io_poll function. Signed-off-by: Sivakumar Subramani <sivakumar.subramani@neterion.com> Signed-off-by: Santosh Rastapur <santosh.rastapur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* S2io: Cleanup - removed unused variable intr_typeSivakumar Subramani2007-10-102-22/+17
| | | | | | | | | | | | - Removed the unused variable, intr_type, in device private structure. [ Resolve conflicts with napi_struct changes... -DaveM ] Signed-off-by: Sivakumar Subramani <sivakumar.subramani@neterion.com> Signed-off-by: Santosh Rastapur <santosh.rastapur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [S2IO]: Handle and monitor all of the device errors and alarmsSivakumar Subramani2007-10-102-136/+357
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Added support to poll entire set of device errors and alarams. - A note on how device errors and alarms are handled: - The adapter will automatically recover from uncorrectable ECC errors. Packets containing corrupted data will be dropped (not transmitted) or tagged as invalid before being passed to the host. - The adapter cannot recover from any internal state machine errors. A state machine error requires a device reset. - Any internal error that could potentially result in .store trampling. (undesirable PCI behaviour)is tagged as a "serious error". In such cases the adapter will give up its ability to be a bus master. In this situation the host will still be able to read internal device registers in order to generate an error report. A device reset is necessary to return to normal operation. - In the event of a pcix data parity error, the adapter will automatically disable itself. Adapter_En will automatically transition from '1' to '0' and the adapter will enter its clean-up routine. Once the device has achieved quiescence, an adapter reset should be performed. - Replaced alarm_intr_handler() with s2io_handle_errors(). - Added statistic counters to monitor the alarms. [ Fix warnings wrt. do_s2io_chk_alarm_bit(), Callers pass in an "unsigned long long *" but the function takes a "u64 *" which is different on many 64-bit platforms. -DaveM ] Signed-off-by: Sivakumar Subramani <sivakumar.subramani@neterion.com> Signed-off-by: Santosh Rastapur <santosh.rastapur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* S2io: Enable all the error and alarm indicationsSivakumar Subramani2007-10-103-85/+278
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Added support to unmask entire set of device errors and alarams. Alarm interrupts are generated for a myriad of purposes, ranging from illegal operations or requests to internal state machine errors and uncorrectable data corruption errors. In several cases the adapter can recover gracefully from unexpected events; however, in some cases, a device reset may be necessary. This patch handles alarms generated by all the blocks within the device. The adapter generates the following types of alarms: 1. Link state transitions (local/remote fault) or other link-related problems. 2. Problems with any device peripherals, including the EEPROM, FLASH, etc. 3. Correctable ECC errors (single-bit errors) on internal data structures or frame data. 4. Uncorrectable ECC errors (multi-bit errors) on internal data structures or frame data. 5. State machine errors, which indicate that internal control structures have become corrupted. 6. PCI related errors, including parity errors or illegal transactions. 7. Other unexpected events. - Implemented Jeff's review comments to use do_s2io_write_bits function to avoid duplicate codes. Signed-off-by: Sivakumar Subramani <sivakumar.subramani@neterion.com> Signed-off-by: Santosh Rastapur <santosh.rastapur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* remove setup of platform device from jazzsonic.cThomas Bogendoerfer2007-10-101-54/+7
| | | | | | | remove setup platform device from jazzsonic, which is done in arch code now Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sgiseeq: replace use of dma_cache_wback_invRalf Baechle2007-10-101-15/+11
| | | | | | | | The sgiseeq driver is one of the few remaining users of the ancient cache banging DMA API. Replaced with the modern days DMA API. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - Update engine microcode versionDivy Le Ray2007-10-101-2/+2
| | | | | | | The new microcode engine version is set to 1.1.0 Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - Add T3C revDivy Le Ray2007-10-102-0/+4
| | | | | | | add driver recognition for T3C rev board. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - CQ context operations time out too soon.Divy Le Ray2007-10-101-8/+11
| | | | | | | | | | Currently, the driver only tries up to 5 times (5us) to get the results of a CQ context operation. Testing has shown the chip can take as much as 50us to return the response on SG_CONTEXT_CMD operations. So we up the retry count to 100 to cover high loads. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - Set the CQ_ERR bit in CQ contexts.Divy Le Ray2007-10-102-1/+6
| | | | | | | | | | The cxgb3 driver is incorrectly configuring the HW CQ context for CQ's that use overflow-avoidance. Namely the RDMA control CQ. This results in a bad DMA from the device to bus address 0. The solution is to set the CQ_ERR bit in the context for these types of CQs. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - remove false positive in xgmac workaroundDivy Le Ray2007-10-102-1/+4
| | | | | | | | | Qualify toggling of xgmac tx enable with not getting pause frames, we might not make forward progress because the peer is sending lots of pause frames. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - log and clear PEX errorsDivy Le Ray2007-10-101-0/+6
| | | | | | | | Clear pciE PEX errors late at module load time. Log details when PEX errors occur. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - Firmware updateDivy Le Ray2007-10-104-11/+22
| | | | | | | | Update firmware version. Allow the driver to be up and running with older FW image Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* e100: timer power savingStephen Hemminger2007-10-101-1/+2
| | | | | | | | | Since E100 timer is 2HZ, use rounding to make timer occur on the correct boundary. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ixgbe: driver for Intel(R) 82598 PCI-Express 10GbE adapters (v4)Auke Kok2007-10-1013-8/+7867
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for the Intel 82598 PCI-Express 10GbE chipset. Devices will be available on the market soon. This version of the driver is largely the same as the last release: * Driver uses a single RX and single TX queue, each using 1 MSI-X irq vector. * Driver runs in NAPI mode only * Driver is largely multiqueue-ready (TM) Changes since 20070803: * removed wrappers for hardware functions * incorporated e1000e-style HW api reorganization code * sparse/checkpatch cleanups, namespace cleanups * driver prints out extra debugging information at load time identifying adapter board number, mac, phy types * removed ixgbe_api.c, ixgbe_api.h, ixgbe_osdep.h * driver update to 1.1.18 * removed ixgbe.txt which contained no useful info anymore [ Integrated napi_struct changes from Auke as well... -DaveM ] Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Ayyappan Veeraiyan <ayyappan.veeraiyan@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* PS3: Remove the workaround no longer neededMasakazu Mokuno2007-10-101-12/+4
| | | | | | | | | Removed the workaround that was needed for PS3 firmware versions prior to the first release. Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp> CC: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* PS3: changed the way to handle tx skbsMasakazu Mokuno2007-10-101-77/+63
| | | | | | | | | | | | | | | | | | | | | The PS3 virtual network device requires a vlan tag in the sending packet to select the destination device, ethernet port or wireless. As the vlan tag field is in the middle of the passed data, we should insert it into the packet data. To avoid copying much of the packet data, the driver used two tx descriptors for one tx skb; one descriptor was for sending a small static buffer which contained vlan tag and copied header (two mac addresses), one was for the residual data after the vlan field. This patch changes the way to insert the vlan tag. By changing netdev->hard_header_len, we can make the headroom for moving mac address fields in the skb buffer. Then we can send one tx skb with one tx descriptor. This also gives us a tx throughut gain of approx. 20% according to netperf results. Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp> CC: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pasemi_mac: Clean TX ring in pollOlof Johansson2007-10-101-0/+1
| | | | | | | | | | | | | | | | Unfortunately there's no timeout for how long a packet can sit on the TX ring after completion before an interrupt is generated, and we want to have a threshold that's larger than one packet per interrupt. So we have to have a timer that occasionally cleans the TX ring even though there hasn't been an interrupt. Instead of setting up a dedicated timer for this, just clean it in the NAPI poll routine instead. [ Resolved conflicts with napi_struct changes... -DaveM ] Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* pasemi_mac: Enable LLTXOlof Johansson2007-10-101-1/+1
| | | | | | | | | | | Enable LLTX on pasemi_mac: we're already doing sufficient locking in the driver to enable it. [ Resolved merge conflicts with napi_struct changes... -DaveM ] Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* pasemi_mac: Fix RX checksum flagsOlof Johansson2007-10-101-1/+1
| | | | | | | RX side flag to use is CHECKSUM_UNNECESSARY, not CHECKSUM_COMPLETE. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pasemi_mac: Fix TX ring wrap checkingOlof Johansson2007-10-102-12/+15
| | | | | | | | | The old logic didn't detect full (tx) ring cases properly, causing overruns and general badness. Clean it up a bit and abstract out the ring size checks, always making sure to leave 1 slot open. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pasemi_mac: Batch up TX buffer freesOlof Johansson2007-10-101-10/+29
| | | | | | | | | | Postpone pci unmap and skb free of the transmitted buffers to outside of the tx ring lock, batching them up 32 at a time. Also increase the count threshold to 128. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pasemi_mac: RX performance tweaksOlof Johansson2007-10-101-8/+12
| | | | | | | | Various RX performance tweaks, do some explicit prefetching of packet data, etc. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pasemi_mac: Fix memcpy amount for short receivesOlof Johansson2007-10-101-3/+1
| | | | | | | Fix up memcpy for short receives. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pasemi_mac: Enable L2 caching of packet headersOlof Johansson2007-10-102-1/+12
| | | | | | | | Enable settings to target l2 for the first few cachelines of the packet, since we'll access them to get to the various headers. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pasemi_mac: Stop using the pci config space accessors for register read/writesOlof Johansson2007-10-102-41/+94
| | | | | | | | | | | | | | | Move away from using the pci config access functions for simple register access. Our device has all of the registers in the config space (hey, from the hardware point of view it looks reasonable :-), so we need to somehow get to it. Newer firmwares have it in the device tree such that we can just get it and ioremap it there (in case it ever moves in future products). For now, provide a hardcoded fallback for older firmwares. [ Resolved napi_struct conflicts... -DaveM ] Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* pasemi_mac: Abstract out register accessOlof Johansson2007-10-101-94/+101
| | | | | | | | | Abstract out the PCI config read/write accesses into reg read/write ones, still calling the pci accessors on the back end. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* bmac: add simple ethtool support for network managerOlaf Hering2007-10-101-0/+13
| | | | | | | | NetworkManager will not start dhcpd on an interface unless it reports link-up state via ethtool. Signed-off-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sky2: use pci_config access functionsStephen Hemminger2007-10-102-63/+51
| | | | | | | | | | Use the PCI layer config access functions. The driver was using the memory mapped window in device, to workaround issues accessing the advanced error reporting registers. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sky2: advanced error reportingStephen Hemminger2007-10-102-61/+27
| | | | | | | | | | | | | Use the kernel interfaces for advanced error reporting. This should be cleaner and clear up errors on boot. For those systems with busted BIOS's that don't correctly support mmconfig, advanced error reporting will be disabled. The PCI registers for advanced error reporting start at 0x100 which is too large to be accessed by legacy functions. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sky2: dont restrict config space accessStephen Hemminger2007-10-101-12/+0
| | | | | | | | | Take out the code that protects driver from accessing the PCI config space. We are old enough to run with scissors now. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sky2: document GPHY_CTRL bitsStephen Hemminger2007-10-101-0/+22
| | | | | | | | Add documentation of GPHY_CTRL register bits even if driver is not using them (yet). Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sky2: use debugfs renameStephen Hemminger2007-10-101-32/+24
| | | | | | | Use debugfs rename to handle device neame changes. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - Update internal memory managementDivy Le Ray2007-10-102-0/+4
| | | | | | | | Set PM1 internal memory to round robin mode It balances access to this internal memory for multiport adapters. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - log adapter serial numberDivy Le Ray2007-10-103-3/+8
| | | | | | | Log HW serial number when cxgb3 module is loaded. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - Fatal error updateDivy Le Ray2007-10-101-0/+4
| | | | | | | Stop the MAC when a fatal error is detected. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - tighten checks on TID valuesDivy Le Ray2007-10-102-7/+41
| | | | | | | Enforce validity checks on connection ids Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - Expose HW memory page infoDivy Le Ray2007-10-102-21/+38
| | | | | | | | | | | | | A HW issue requires limiting the receive window size to 23 pages of internal memory. These pages can be configured to different sizes, thus the RDMA driver needs to know the page size to enforce the upper limit. Also assign explicit enum values. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - use immediate data for offload TxDivy Le Ray2007-10-101-6/+11
| | | | | | | | | | | Send small TX_DATA work requests as immediate data even when there are fragments. this avoids doing multiple DMAs for small fragmented packets. The driver already implements this optimization for small contiguous packets. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - SGE doorbell overflow warningDivy Le Ray2007-10-102-0/+12
| | | | | | | Log doorbell Fifo overflow Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* cxgb3 - Update rx coalescing lengthDivy Le Ray2007-10-101-1/+1
| | | | | | | | | Reduce Rx coalescing length to 12288 Large bursts from the adapter to the host create back pressure on the chip. Reducing the burst size avoids the issue. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* 3c59x: check return of pci_enable_device()Mark Hindley2007-10-101-12/+24
| | | | | | | | | | Check return of pci_enable_device in vortex_up(). Also modify vortex_up to return error to callers. Handle failure of vortex_up in vortex_open and vortex_resume. Signed-off-by: Mark Hindley <mark@hindley.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ibmveth: Remove use of bitfieldsBrian King2007-10-102-78/+68
| | | | | | | | Removes the use of bitfields from the ibmveth driver. This results in slightly smaller object code. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ibmveth: Remove dead frag processing codeBrian King2007-10-102-88/+17
| | | | | | | | | | Removes dead frag processing code from ibmveth. Since NETIF_F_SG was not set, this code was never executed. Also, since the ibmveth interface can only handle 6 fragments, core networking code would need to be modified in order to efficiently enable this support. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ibmveth: Add ethtool driver stats hooksBrian King2007-10-101-0/+51
| | | | | | | Add ethtool hooks to ibmveth to retrieve driver statistics. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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