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Based on the original patch from Ying Cai <ycai@google.com>
This change ensures that the itr/itr_setting adjustment logic is used,
even for the default/compiled-in value.
Context:
When we changed the default InterruptThrottleRate value from default
(3 = dynamic mode) to 8000 for example, only adapter->itr_setting
(which controls interrupt coalescing mode) was set to 8000, but
adapter->itr (which controls the value set in NIC register) was not
updated accordingly. So from ethtool, it seemed the interrupt
throttling is enabled at 8000 intr/s, but the NIC actually was
running in dynamic mode which has lower CPU efficiency especially
when throughput is not high.
CC: Ying Cai <ycai@google.com>
CC: David Decotigny <david.decotigny@google.com>
Signed-off-by: Jeff Kirsher <jeffrey.kirsher@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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This enables enabling/disabling reception of the Ethernet
FCS. This can be useful when sniffing packets.
For e1000e, enabling RXFCS can change the default
behaviour for how the NIC handles CRC. Disabling RXFCS
will take the NIC back to defaults, which can be configured
as part of the module options.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Based on a patch from Prabhakar Kushwaha <prabhakar@freescale.com>, set
appropriate default interrupt mode dependent on whether CONFIG_PCI_MSI
is enabled in the kernel configuration and if the hardware supports
MSI-X. Set the module parameter log message accordingly.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Cc: Jin Qing <b24347@freescale.com>
Cc: Prabhakar Kushwaha <prabhakar@freescale.com>
Cc: Jin Qing <b24347@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The device.h header was including module.h, making it present for
most of these drivers. But we want to clean that up. Call out the
include of module.h in the modular network drivers.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Moves the Intel wired LAN drivers into drivers/net/ethernet/intel/ and
the necessary Kconfig and Makefile changes.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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