igc: Add initial EEE support

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IEEE802.3az-2010 Energy Efficient Ethernet has been
approved as standard (September 2010) and the driver
can enable and disable it via ethtool.
Disable the feature by default on parts which support it.
Add enable/disable eee options.
tx-lpi, tx-timer and advertise not supported yet.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Reviewed-by: Andre Guedes <andre.guedes@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

...

This commit is contained in:

Sasha Neftin 2020-05-27 13:51:32 -07:00 • committed by Jeff Kirsher

parent b8483ecaf7

commit 93ec439abe

8 changed files with 189 additions and 0 deletions

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4

drivers/net/ethernet/intel/igc/igc.h

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10

drivers/net/ethernet/intel/igc/igc_defines.h

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95

drivers/net/ethernet/intel/igc/igc_ethtool.c

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1

drivers/net/ethernet/intel/igc/igc_hw.h

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56

drivers/net/ethernet/intel/igc/igc_i225.c

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2

drivers/net/ethernet/intel/igc/igc_i225.h

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16

drivers/net/ethernet/intel/igc/igc_main.c

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5

drivers/net/ethernet/intel/igc/igc_regs.h

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