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igc: Add initial LTR support
authorSasha Neftin <sasha.neftin@intel.com>
Tue, 2 Jun 2020 07:50:47 +0000 (10:50 +0300)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Tue, 30 Jun 2020 01:21:09 +0000 (18:21 -0700)
commit707abf0695481ad19b0b74af65f30c71123d6154
treeb97226e58ca75d8c5a3a5bf7b8f48bf936766554
parent93ec439abeefe2e205657ae2b98a7fee4fbd4a0b
igc: Add initial LTR support

The LTR message on the PCIe inform the requested latency
on which the PCIe must become active to the downstream
PCIe port of the system.
This patch provide recommended LTR parameters by i225
specification.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/igc/igc_defines.h
drivers/net/ethernet/intel/igc/igc_i225.c
drivers/net/ethernet/intel/igc/igc_i225.h
drivers/net/ethernet/intel/igc/igc_mac.c
drivers/net/ethernet/intel/igc/igc_regs.h