[Bug 226252] [bxe] Unable to set jumbo frames on Broadcom 57800 NIC

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=226252

--- Comment #2 from gagandeep at nrggos.com.au ---
Please see the outpu, I tried vlan40 and lagg1 as well both same output:

root at freenas5:~ # ifconfig vlan40 mtu 9000
ifconfig: ioctl SIOCSIFMTU (set mtu): Invalid argument

root at freenas5:~ # ifconfig lagg1 mtu 9000
ifconfig: ioctl SIOCSIFMTU (set mtu): Invalid argument

if set the mtu to 900 (not 9000) and 1500 it works with out any errors:
root at freenas5:~ # ifconfig vlan40 mtu 900
root at freenas5:~ # ifconfig vlan40 mtu 1500


# ifconfig -a
==============
root at freenas5:~ # ifconfig -a
bxe0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
       
options=527bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO>
        ether b8:2a:72:d1:21:5b
        hwaddr b8:2a:72:d1:21:5b
        nd6 options=9<PERFORMNUD,IFDISABLED>
        media: Ethernet autoselect (10Gbase-SR <full-duplex>)
        status: active
bxe1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
       
options=527bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO>
        ether b8:2a:72:d1:21:5b
        hwaddr b8:2a:72:d1:21:5d
        nd6 options=9<PERFORMNUD,IFDISABLED>
        media: Ethernet autoselect (10Gbase-SR <full-duplex>)
        status: active
bxe2: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
       
options=527bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO>
        ether b8:2a:72:d1:21:5f
        hwaddr b8:2a:72:d1:21:5f
        nd6 options=9<PERFORMNUD,IFDISABLED>
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
bxe3: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
       
options=527bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO>
        ether b8:2a:72:d1:21:5f
        hwaddr b8:2a:72:d1:21:61
        nd6 options=9<PERFORMNUD,IFDISABLED>
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
        inet6 ::1 prefixlen 128 
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x5 
        inet 127.0.0.1 netmask 0xff000000 
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        groups: lo 
lagg0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
       
options=527bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO>
        ether b8:2a:72:d1:21:5f
        nd6 options=9<PERFORMNUD,IFDISABLED>
        media: Ethernet autoselect
        status: active
        groups: lagg 
        laggproto loadbalance lagghash l2,l3,l4
        laggport: bxe2 flags=4<ACTIVE>
        laggport: bxe3 flags=4<ACTIVE>
lagg1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
       
options=527bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO>
        ether b8:2a:72:d1:21:5b
        nd6 options=9<PERFORMNUD,IFDISABLED>
        media: Ethernet autoselect
        status: active
        groups: lagg 
        laggproto loadbalance lagghash l2,l3,l4
        laggport: bxe0 flags=4<ACTIVE>
        laggport: bxe1 flags=4<ACTIVE>
vlan10: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=703<RXCSUM,TXCSUM,TSO4,TSO6,LRO>
        ether b8:2a:72:d1:21:5f
        inet 10.4.6.4 netmask 0xffff0000 broadcast 10.4.255.255 
        nd6 options=9<PERFORMNUD,IFDISABLED>
        media: Ethernet autoselect
        status: active
        vlan: 10 vlanpcp: 0 parent interface: lagg0
        groups: vlan 
vlan40: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=703<RXCSUM,TXCSUM,TSO4,TSO6,LRO>
        ether b8:2a:72:d1:21:5b
        nd6 options=9<PERFORMNUD,IFDISABLED>
        media: Ethernet autoselect
        status: active
        vlan: 40 vlanpcp: 0 parent interface: lagg1
        groups: vlan 
vlan20: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=703<RXCSUM,TXCSUM,TSO4,TSO6,LRO>
        ether b8:2a:72:d1:21:5b
        inet 203.4.168.65 netmask 0xffffff00 broadcast 203.4.168.255 
        nd6 options=9<PERFORMNUD,IFDISABLED>
        media: Ethernet autoselect
        status: active
        vlan: 20 vlanpcp: 0 parent interface: lagg1
        groups: vlan 
vlan30: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=703<RXCSUM,TXCSUM,TSO4,TSO6,LRO>
        ether b8:2a:72:d1:21:5b
        inet 192.168.2.65 netmask 0xffffff00 broadcast 192.168.2.255 
        nd6 options=9<PERFORMNUD,IFDISABLED>
        media: Ethernet autoselect
        status: active
        vlan: 30 vlanpcp: 0 parent interface: lagg1
        groups: vlan

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