[Intel-wired-lan] [net-next] I210 qav mode support

[Gangfeng]

The I210 supports two transmit modes, legacy and qav. In qav mode, I210
provide a way to guarantee bounded latency for time sensitive traffic.
This patch will provide a way for user to switch back and forth between
lagecy mode and qav mode.

Gangfeng Huang (1):
  igb: add function to set I210 transmit mode

 drivers/net/ethernet/intel/igb/e1000_defines.h |  21 +++
 drivers/net/ethernet/intel/igb/e1000_regs.h    |   7 +
 drivers/net/ethernet/intel/igb/igb.h           |   5 +
 drivers/net/ethernet/intel/igb/igb_main.c      | 178 ++++++++++++++++++++++++-
 4 files changed, 209 insertions(+), 2 deletions(-)

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2.7.2