igb: Fix SGMII SFP module discovery for 100FX/LX.

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Changing the link mode should also be done for 100BaseFX SGMII modules,
otherwise they just don't work when the default link mode in CTRL_EXT
coming from the EEPROM is SERDES.

Additionally 100Base-LX SGMII SFP modules are also supported now, which
was not the case before.

Tested with an i210 using Flexoptix S.1303.2M.G 100FX and
S.1303.10.G 100LX SGMII SFP modules.

Signed-off-by: Manfred Rudigier <manfred.rudigier@omicronenergy.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:

Manfred Rudigier 2019-12-04 11:40:26 +01:00 • committed by Jeff Kirsher

parent 4fad78ad64

commit 5365ec1aef

2 changed files with 3 additions and 7 deletions

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8

drivers/net/ethernet/intel/igb/e1000_82575.c

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2

drivers/net/ethernet/intel/igb/igb_ethtool.c

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