1.\" $OpenBSD: cnmac.4,v 1.3 2016/08/04 13:22:20 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: August 4 2016 $ 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 cn30xxgmx?" 26.Sh DESCRIPTION 27The 28.Nm 29driver supports built-in Ethernet ports on Cavium OCTEON CN30xx, 30Cavium OCTEON Plus CN50xx and Cavium OCTEON II CN61xx system on chips. 31Among the routers based on these chips are the following: 32.Pp 33.Bl -item -offset indent -compact 34.It 35D-Link DSR-500 36.It 37Portwell CAM-0100 38.It 39Ubiquiti Networks EdgeRouter 40.It 41Ubiquiti Networks EdgeRouter LITE 42.It 43Ubiquiti Networks EdgeRouter PoE 44.It 45Ubiquiti Networks EdgeRouter PRO 46.El 47.Pp 48The 49.Nm 50driver supports TCP/UDP checksum offload on IPv4/IPv6 reception and 51transmission, and IPv4 checksum offload on reception. 52The driver additionally supports jumbo frames. 53.Sh SEE ALSO 54.Xr arp 4 , 55.Xr ifmedia 4 , 56.Xr intro 4 , 57.Xr netintro 4 , 58.Xr hostname.if 5 , 59.Xr ifconfig 8 60.Sh HISTORY 61The 62.Nm 63driver first appeared in 64.Ox 5.4 . 65.Sh AUTHORS 66.An -nosplit 67The 68.Nm 69driver was written by 70.An Internet Initiative Japan Inc. 71