1.\" $OpenBSD: cnmac.4,v 1.11 2021/02/06 09:33:41 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: February 6 2021 $ 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 38Netgear ProSecure UTM25 39.It 40Portwell CAM-0100 41.It 42Rhino Labs Inc. SDNA Shasta 43.It 44Rhino Labs Inc. SDNA-7130 45.It 46Ubiquiti Networks EdgeRouter 47.It 48Ubiquiti Networks EdgeRouter 4 49.It 50Ubiquiti Networks EdgeRouter 6 51.It 52Ubiquiti Networks EdgeRouter LITE 53.It 54Ubiquiti Networks EdgeRouter PoE 55.It 56Ubiquiti Networks EdgeRouter PRO 57.It 58Ubiquiti Networks UniFi Security Gateway 59.It 60Ubiquiti Networks UniFi Security Gateway PRO-4 61.El 62.Pp 63The 64.Nm 65driver supports TCP/UDP checksum offload on IPv4/IPv6 reception and 66transmission, and IPv4 checksum offload on reception. 67The driver additionally supports jumbo frames. 68.Sh SEE ALSO 69.Xr arp 4 , 70.Xr ifmedia 4 , 71.Xr intro 4 , 72.Xr netintro 4 , 73.Xr octgmx 4 , 74.Xr hostname.if 5 , 75.Xr ifconfig 8 76.Sh HISTORY 77The 78.Nm 79driver first appeared in 80.Ox 5.4 . 81.Sh AUTHORS 82.An -nosplit 83The 84.Nm 85driver was written by 86.An Internet Initiative Japan Inc . 87