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NAMEmlx5en —
NVIDIA Mellanox ConnectX-4/5/6 [Dx/Ex/Lx] based 200Gb, 100Gb,
50Gb, 40Gb, 25Gb and 10Gb ethernet adapter driver
SYNOPSISTo compile this driver into the kernel, place the following lines in your kernel configuration file:options COMPAT_LINUXKPI
options RATELIMIT
options KERN_TLS
device xz
device mlxfw
device firmware
device mlx5
device mlx5en To load the driver as a module at run-time, run the following command as root: kldload mlx5en To load the driver as a module at boot time, place the following lines in loader.conf(5): mlx5en_load="YES" DESCRIPTIONThemlx5en driver provides support for PCI Express
Ethernet adapters based on ConnectX-4/5/6 [Dx, Ex and Lx variants]. The driver
supports Jumbo Frames, Transmit and Receive checksum offload, TCP segmentation
offload (TSO), Large Receive Offload (LRO), HW Large Receive Offload (HW LRO),
VLAN tag insertion and extraction, VLAN checksum offload, VLAN TSO, hardware
rate limiting (TXRTLMT), stateless VxLAN hardware offload for receive and
transmit, HW TLS offload for transmit, Receive Side Steering (RSS) and
NUMA(4)
awareness.
The network interface name is For further information and questions related to hardware requirements, see https://www.mellanox.com. HARDWAREThemlx5en driver supports 200Gb, 100Gb, 50Gb, 40Gb,
25Gb and 10Gb ethernet adapters.
CONFIGURATIONThemlx5en network interface is configured using
ifconfig(8)
and the
sysctl(8)
tree at dev.mce.<N> . All configurable entries
are also tunables, and can be put directly into the
loader.conf(5)
for persistent configuration.
SUPPORTFor general information and support, go to the NVIDIA Mellanox networking support website at: https://www.mellanox.com.If an issue is identified with this driver using a supported adapter, e-mail all the specific information related to the issue to <nbu-freebsd-drivers@nvidia.com>. SEE ALSOifconfig(8)HISTORYThemlx5en device driver first appeared in
FreeBSD 11.0.
AUTHORSThemlx5en driver was written by NVIDIA
Mellanox networking <nbu-freebsd-drivers@nvidia.com>.
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