https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253535
Bug ID: 253535
Summary: em - VF interface invalid MAC address
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: b...@freebsd.org
Reporter: m...@void.so
Created attachment 222466
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=222466&action=edit
em VF MAC address patch
I have a host with I350 Ethernet Controller Virtual Function [8086:1520], when
I try to passthrough it into FreeBSD (running on QEMU '-device
vfio-pci,host=04:10.1') I get an error:
igb0: Invalid MAC address
igb0: IFDI_ATTACH_PRE failed 5
device_attach: igb0 attach returned 5
After applying patch (attached) everthing works fine:
igb0: Generate a random address
igb0: Using 1024 TX descriptors and 1024 RX descriptors
igb0: Using 1 RX queues 1 TX queues
igb0: Using MSI-X interrupts with 2 vectors
igb0: Ethernet address: 7e:da:23:50:00:1d
igb0: link state changed to UP
igb0: netmap queues/slots: TX 1/1024, RX 1/1024
This problem was fixed in igb driver: https://reviews.freebsd.org/rS308429. But
after merging igb into em driver, it was lost.
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