1.\" $OpenBSD: nep.4,v 1.3 2022/09/07 01:22:08 jsg Exp $ 2.\" 3.\" Copyright (c) 2015 Mark Kettenis <kettenis@openbsd.org> 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.Dd $Mdocdate: September 7 2022 $ 18.Dt NEP 4 19.Os 20.Sh NAME 21.Nm nep 22.Nd Sun Neptune 10Gb Ethernet device 23.Sh SYNOPSIS 24.Cd "nep* at pci?" 25.Cd "brgphy* at mii?" 26.Sh DESCRIPTION 27The 28.Nm 29driver provides support for various NICs based on the Sun Neptune 30Ethernet controller chips, including the following: 31.Pp 32.Bl -bullet -compact -offset indent 33.It 34Sun Quad GbE UTP x8 PCI Express Card 35.It 36Sun Quad GbE UTP x8 PCIe ExpressModule 37.El 38.Pp 39It uses an internal or external PHY or an external 10-bit interface. 40.Pp 41The 42.Nm 43driver supports several media types, which are selected via the 44.Xr ifconfig 8 45command. 46The supported media types are: 47.Bl -tag -width "media" -offset indent 48.It Cm media No autoselect 49Attempt to autoselect the media type (default) 50.It Cm media No 1000baseT Cm mediaopt No full-duplex 51Use 1000baseT on copper, full duplex 52.It Cm media No 1000baseT Cm mediaopt No half-duplex 53Use 1000baseT on copper, half duplex 54.It Cm media No 100baseTX Cm mediaopt No full-duplex 55Use 100baseTX, full duplex 56.It Cm media No 100baseTX Cm mediaopt No half-duplex 57Use 100baseTX, half duplex 58.El 59.Sh SEE ALSO 60.Xr arp 4 , 61.Xr brgphy 4 , 62.Xr ifmedia 4 , 63.Xr inet 4 , 64.Xr intro 4 , 65.Xr netintro 4 , 66.Xr hostname.if 5 , 67.Xr ifconfig 8 68.Sh HISTORY 69.Ox 70support for 71.Nm 72first appeared in 73.Ox 5.7 . 74.Sh AUTHORS 75The 76.Nm 77driver was written by 78.An Mark Kettenis Aq Mt kettenis@openbsd.org . 79.Sh BUGS 80The 81.Nm 82driver currently only supports 1Gb Ethernet NICs. 83It also does not yet use many of the advanced features the Neptune 84chip offers. 85