On 05/08/2015 12:14 AM, Chris Leech wrote: > I've had reports of UEFI platforms failing iSCSI boot in various > configurations, that ended up being caused by network initialization > scripts getting tripped up by unexpected null addresses (0.0.0.0) being > reported for gateways, dhcp servers, and dns servers. > > The tianocore EDK2 iSCSI driver generates an iBFT table that always uses > IPv4-mapped IPv6 addresses for the NIC structure fields. This results > in values that are "not present or not specified" being reported as > ::ffff:0.0.0.0 rather than all zeros as specified. > > The iscsi_ibft module filters unspecified fields from the iBFT from > sysfs, preventing userspace from using invalid values and making it easy > to check for the presence of a value. This currently fails in regard to > these mapped null addresses. > > In order to remain consistent with how the iBFT information is exposed, > we should accommodate the behavior of the tianocore iSCSI driver as it's > already in the wild in a large number of servers. > > Tested under qemu using an OVMF build of tianocore EDK2. > > Signed-off-by: Chris Leech <cleech@xxxxxxxxxx> Looks ok to me. Reviewed-by: Mike Christie <michaelc@xxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
