Unraid 6.5.2 - TG3 mtu 9000 support

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Hi Guys,


It seems that the current version of the tg3 driver does not support MTU 9000, I've seen other cases where the latest releases should support it. Is that correct? If not, do we expect to get that updated/corrected so we can use MTU 9000 in HP hardware?

Here's my current hardware info:

Model: HP Z800
M/B: Hewlett-Packard - 0AECh
CPU: Intel® Xeon® CPU E5630 @ 2.53GHz
HVM: Enabled
IOMMU: Enabled
Cache: 256 kB, 1024 kB, 12288 kB
Memory: 24 GB (max. installable capacity 96 GB)
Network: eth0: 1000 Mb/s, full duplex, mtu 1500 
 eth1: 1000 Mb/s, full duplex, mtu 1500 
 eth2: not connected
Kernel: Linux 4.14.13-unRAID x86_64
OpenSSL: 1.0.2n
Modinfo shows:
filename:       /lib/modules/4.14.13-unRAID/kernel/drivers/net/ethernet/broadcom/tg3.ko.xz
firmware:       tigon/tg3_tso5.bin
firmware:       tigon/tg3_tso.bin
firmware:       tigon/tg3.bin
version:        3.137
license:        GPL
description:    Broadcom Tigon3 ethernet driver
author:         David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)
srcversion:     F76AF57222002FD719F2CE9
If you try to set it:
# ifconfig eth0 mtu 9000
SIOCSIFMTU: Invalid argument
Tested with the latest Unraid. Version: 6.4.0 2018-01-12
I am at the moment upgrading to 6.5.1 too but I don't believe this is fixed.
Any info would be greatly appreciated!

Thank you!
Edited by mbicca
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