ixgbe: Print NVM and Option ROM versions

[kbowling]

Summary

It can be useful for system operators to see this kind of information when correlating issues or requesting support from the OEM or Intel for hardware and firmware issues.

Requested by: gallatin
MFC after: 1 month

Test Plan

Tested on an X552:

ix0: eTrack 0x800005b9

# sysctl dev.ix.0.nvm_versions
dev.ix.0.nvm_versions: eTrack 0x800005b9

I've checked various ixgbe datasheets and think these commands are safe. Supermicro doesn't program the other fields (*sigh*) so it seems like we only get eTrack, but that is enough to do some science.

Here is an example of someone using the eTrack to work with their OEM/intel https://tinkertry.com/how-to-work-around-intermittent-intel-x557-network-outages-on-12-core-xeon-d#mar-19-2018

[gallatin]

Thanks so much for doing this!

[krzysztof.galazka_intel.com]

sys/dev/ixgbe/if_ix.c

2657

There is a 'fw_version' sysctl in ixl with the same purpose. Would it make sense to use same name?