1.\" $OpenBSD: cnmac.4,v 1.10 2020/09/08 12:53:02 visa Exp $ 2.\" 3.\" Copyright (c) 2015 Visa Hankala 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.\" 18.Dd $Mdocdate: September 8 2020 $ 19.Dt CNMAC 4 octeon 20.Os 21.Sh NAME 22.Nm cnmac 23.Nd Cavium OCTEON built-in Ethernet device 24.Sh SYNOPSIS 25.Cd "cnmac* at octgmx?" 26.Sh DESCRIPTION 27The 28.Nm 29driver supports built-in Ethernet ports on Cavium OCTEON CN30xx, 30Cavium OCTEON Plus CN50xx, Cavium OCTEON II CN61xx, and 31Cavium OCTEON III CN71xx system on chips. 32Among the routers based on these chips are the following: 33.Pp 34.Bl -item -offset indent -compact 35.It 36D-Link DSR-500 37.It 38Portwell CAM-0100 39.It 40Rhino Labs Inc. SDNA Shasta 41.It 42Rhino Labs Inc. SDNA-7130 43.It 44Ubiquiti Networks EdgeRouter 45.It 46Ubiquiti Networks EdgeRouter 4 47.It 48Ubiquiti Networks EdgeRouter 6 49.It 50Ubiquiti Networks EdgeRouter LITE 51.It 52Ubiquiti Networks EdgeRouter PoE 53.It 54Ubiquiti Networks EdgeRouter PRO 55.It 56Ubiquiti Networks UniFi Security Gateway 57.It 58Ubiquiti Networks UniFi Security Gateway PRO-4 59.El 60.Pp 61The 62.Nm 63driver supports TCP/UDP checksum offload on IPv4/IPv6 reception and 64transmission, and IPv4 checksum offload on reception. 65The driver additionally supports jumbo frames. 66.Sh SEE ALSO 67.Xr arp 4 , 68.Xr ifmedia 4 , 69.Xr intro 4 , 70.Xr netintro 4 , 71.Xr octgmx 4 , 72.Xr hostname.if 5 , 73.Xr ifconfig 8 74.Sh HISTORY 75The 76.Nm 77driver first appeared in 78.Ox 5.4 . 79.Sh AUTHORS 80.An -nosplit 81The 82.Nm 83driver was written by 84.An Internet Initiative Japan Inc . 85