KB450096 – Installing External Drivers in FreeNAS

Last modified: February 25, 2019
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Drivers external to the official FreeNAS release can be installed by compiling on the equivalent version of FreeBSD and copying to FreeNAS system, edit to conf files required to make install persist.


  • physical/virtual machine running FreeBSD.
  • FreeBSD source tree must be installed. be sure to select “src” during BSD install.

Below steps use the ixl driver for 40gbe Intel NIC.

How to compile driver in fresh FreeBSD11.1

  root@LABBSD:~ # ping google.ca  <----- Verify internet connection
  root@LABBSD:~ # portsnap fetch update
  root@LABBSD:~ # cd /usr/ports/ftp/wget/
  root@LABBSD:/usr/ports/ftp/wget # make install clean
  root@LABBSD:~ # tar -zxvf ixl_9.5.0.tar.gz
  root@LABBSD:~ # cd ixl-x.x.x/src
  root@LABBSD:~/ixl-x.x.x/src # make
  the 'if_ixl.ko" file will be created in the /src folder. Copy over to the FreeNAS server    
  root@LABBSD:~/ixl-x.x.x/src # scp if_ixl.ko root@FREENAS:~/

How to install compiled module in FreeNAS11.1

  root@LABNAS:~ # cp if_ixl.ko /boot/kernel/if_ixl.ko
  root@LABNAS:~ # echo 'if_ixl_load=\"YES\"' >> /boot/loader.conf
  root@LABNAS:~ # grub-mkconfig > /boot/grub/grub.cfg
  root@LABNAS:~ # reboot
  Verify you are running 1.9.5
  root@LABNAS:~ # dmesg | grep ixl
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