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Update sfp_compatibility.rst and ice driver tunable #573

Open paolba opened 3 months ago

paolba commented 3 months ago

only worked after enabling the ice modules with the tunables. maybe add an information about this to the documentation. I only found this info in the forums. without the tunables i was only able to get a 10Gbase connection when setting the speed on the switch.

tunables: if_ice_load="YES" ice_ddp_load="YES"

reboot after setting the tunables. nothing more is needed.

source: https://forum.opnsense.org/index.php?topic=30759.0

AdSchellevis commented 3 months ago

you can add ice_ddp_load to the tunables, ice_load shouldn't be needed if I'm not mistaken as the module is loaded by default (our default factory default config files only include ice_ddp_load)

paolba commented 3 months ago

you can add ice_ddp_load to the tunables, ice_load shouldn't be needed if I'm not mistaken as the module is loaded by default (our default factory default config files only include ice_ddp_load)

thanks for the hint! I can confirm 25Gbase still working after removing the tunable "if_ice_load". Do you know why "ice_ddp_load" is necessary and why this is not enabled by default?

AdSchellevis commented 3 months ago

it's an intel driver thing, firmware is only loaded when requested (the driver works without it, but very slow)