[Bug 230996] em/igb: Intel i210/i350: ifconfig: enabling "vlanhwtag" renders VLAN on i210/i350 NICs unusable

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230996

--- Comment #35 from Bert JW Regeer <xistence@0x58.com> ---
I'm sorry for the extra noise all, I made a mistake.

On my system FreeBSD 13.0 works perfectly now. What I missed and what Allan
Jude mentioned on twitter was that I was using an out of sync kernel <-> user
land due to rebooting after freebsd-install told me to do so, but without then
continuing with the upgrade and rebooting again.

root@Breached:/usr/home/xistence # uname -a
FreeBSD Breached.home.arpa 13.0-RELEASE-p1 FreeBSD 13.0-RELEASE-p1 #0: Wed May
26 22:15:09 UTC 2021    
root@amd64-builder.daemonology.net:/usr/obj/usr/src/amd64.amd64/sys/GENERIC 
amd64
root@Breached:/usr/home/xistence # ifconfig igb0
igb0: flags=8863<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
       
options=4e527bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6,NOMAP>
        ether 40:62:31:08:92:76
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
root@Breached:/usr/home/xistence # ifconfig lagg0
lagg0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
       
options=4e527bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6,NOMAP>
        ether 40:62:31:08:92:76
        inet6 fe80::4262:31ff:fe08:9276%lagg0 prefixlen 64 scopeid 0x8
        inet6 2604:5500:c22a:7f00:4262:31ff:fe08:9276 prefixlen 64
        inet 172.16.109.1 netmask 0xffffff00 broadcast 172.16.109.255
        laggproto lacp lagghash l2,l3,l4
        laggport: igb0 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
        laggport: igb1 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
        laggport: igb2 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
        laggport: igb3 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
        groups: lagg
        media: Ethernet autoselect
        status: active
        nd6 options=61<PERFORMNUD,AUTO_LINKLOCAL,NO_RADR>
root@Breached:/usr/home/xistence # ifconfig vlan10
vlan10: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
       
options=4600703<RXCSUM,TXCSUM,TSO4,TSO6,LRO,RXCSUM_IPV6,TXCSUM_IPV6,NOMAP>
        ether 40:62:31:08:92:76
        inet 192.168.10.1 netmask 0xffffff00 broadcast 192.168.10.255
        inet6 fe80::4262:31ff:fe08:9276%vlan10 prefixlen 64 scopeid 0x9
        inet6 2604:5500:c22a:7f01:4262:31ff:fe08:9276 prefixlen 64
        groups: vlan
        vlan: 10 vlanproto: 802.1q vlanpcp: 0 parent interface: lagg0
        media: Ethernet autoselect
        status: active
        nd6 options=61<PERFORMNUD,AUTO_LINKLOCAL,NO_RADR

Is fully functional and operational. I am also seeing 1 Gbps being routed when
doing tests between different vlan's.

Once again apologies for the extra noise!

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