NAME

       liquidio — Cavium 10Gb/25Gb Ethernet driver for the FreeBSD operating system

SYNOPSIS

       To compile this driver into the kernel, place the following line in your kernel configuration file:

             device lio

       Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

             if_lio_load="YES"

DESCRIPTION

       The  liquidio  driver  provides  support for 23XX 10Gb/25Gb Ethernet adapters.  The driver supports Jumbo
       Frames, Transmit/Receive checksum offload, TCP segmentation offload (TSO), Large Receive  Offload  (LRO),
       VLAN tag insertion/extraction, VLAN checksum offload, VLAN TSO, and Receive Side Steering (RSS)

       Support  for  Jumbo  Frames is provided via the interface MTU setting.  Selecting an MTU larger than 1500
       bytes with the ifconfig(8) utility configures the adapter to receive  and  transmit  Jumbo  Frames.   The
       maximum MTU size for Jumbo Frames is 16000.

       For more information on configuring this device, see ifconfig(8).

HARDWARE

       The liquidio driver supports the following cards:

       •   LiquidIO II CN2350 210SV/225SV
       •   LiquidIO II CN2360 210SV/225SV

LOADER TUBABLES

       Tunables can be set at the loader(8) prompt before booting the kernel or stored in loader.conf(5).

       hw.lio.fw_type

               String  that  specifies  type  of  firmware  to  be loaded.  Default is "nic". Use "none" to load
               firmware from flash.

       hw.lio.num_queues_per_pf0

               Unsigned integers that specify number of queues per PF0.  Valid range is  0  to  64.   Use  0  to
               derive autoconfigures based on the number of cpus with a max of 8

       hw.lio.num_queues_per_pf1

               Unsigned  integers  that  specify  number  of  queues per PF1.  Valid range is 0 to 64.  Use 0 to
               derive autoconfigures based on the number of cpus with a max of 8

       hw.lio.console_bitmask

               Bitmask indicating which consoles have debug output redirected to syslog.

       hw.lio.rss

               To enable/disable driver RSS support

       hw.lio.hwlro

               To enable/disable hardware LRO

SUPPORT

       For general information and support, go to the Cavium support website at: http://support.cavium.com.

SEE ALSO

       altq(4), arp(4), netintro(4), ng_ether(4), vlan(4), ifconfig(8)

HISTORY

       The liquidio device driver first appeared in FreeBSD 12.0.

AUTHORS

       The liquidio driver was written by Derek Chickles <derek.chickles@cavium.com>.

Debian                                           August 17, 2017                                     LIQUIDIO(4)