Hi all,
I have a UNDI driver that doesn't support Ipv6. I explicitly set Undi protocol
structure's "Ipv6Supported" field to FALSE.
The UEFI spec (2.4) dictates that PxeBC shall set its "Ipv6Available" field
according to its underlying SNP Ipv6 capability (p. 996):
"Ipv6AvailableTRUE if the Simple Network Protocol being used supports IPv6."
Nevertheless, it seems like all of the drivers being used by PxeBC ignores the
UNDI's "Ipv6Supported" flag, especially DxeIpv6 driver which shall NOT support
SNP driver if its UNDI driver doesn't support Ipv6. As a consequence, PxeBC
display an option to boot over IPv6, even though it's impossible!
The problem gets even more complicated when we look at SNP spec as (and I say
that humbly) there is actually no way of getting this information out of SNP.
Am I missing something? What is the proper way to inform PxeBC of Ipv6 support?
You help will be highly appreciated.
Thanks,
Ari
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