[Bug 265714] igc(4) drops link under high traffic

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=265714

--- Comment #43 from Tomasz "CeDeROM" CEDRO <[email protected]> ---
Okay this seems to be very good solution, very nice step by step instruction,
and the binary updater is for FreeBSD, will try that now, posting now just in
case I will get offline for some time :D

https://github.com/nightcomdev/opnsense/tree/main/i226-firmware-upgrade

% file nvmupdate64e
nvmupdate64e: ELF 64-bit LSB pie executable, x86-64, version 1 (FreeBSD),
dynamically linked, interpreter /libexec/ld-elf.so.1, for FreeBSD 13.1,
FreeBSD-style, stripped

Also posting content below just in case it disappears from gh:

Intel i226-V Firmware v2.32 upgrade pack

Link to Firmware upgrade pack for i226-V with image v2.32 (1MB version)

https://github.com/nightcomdev/opnsense/raw/refs/heads/main/i226-firmware-upgrade/i226.firmware.v2.32.zip

This pack contains:

* This README file
* Billy Curtis i226-V v2.32 1MB bin
* Example nvm.cfg file
*  nvmupdate64e util from the Intel 34.0 download bundle
* Intel doc on using nvmupdate64e

Check config file and adjust to your hardware!
Steps to upgrade your ethernet card

* Copy and unzip files to your OPNsense router
* Check what card do you have dmesg |grep igc0 change number if you have
multiple cards igc1, igc2...
* Check nvm.cfg is it correct with informations from dmesg |grep igc0 if not
then adjust to your hardware informations
* Copy MAC address and paste it in next line without :
* ./nvmupdate64e -b -l nvm.log -m 00E0B468DCBC -f -u -c nvm.cfg
* Run dmesg |grep igc0 and confirm that firmware changed from 2.17 -> 2.32
* Firmware is upgraded.
* Unplug power cord from device for 10-15sec and then turn device back on.

Be aware that when you upgrade your LAN NIC you will loose connection if you
doing this remotely, in this case leave it for 1-2min to finish task and then
REBOOT

Note

If your port is not working it's adviced to unplug power cord from device for
10-15sec and turn it back on. I did that step even after successful upgrade.

More info about i226-V firmware upgrade
Topic on OPNsense forum

https://forum.opnsense.org/index.php?topic=48695.0
For more informations about upgrading i226-V firmware or other versions of
images please visit repository of BillyCurtis.

https://github.com/BillyCurtis/Intel-I226-V-NVM-Firmware
How to use Intel® Ethernet NVM Update Tool

http://tmei-net.com/technology-sharing/how-do-use-intel-ethernet-nvm-update-tool.html

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