1.\" Written by Tom Rhodes for the FreeBSD Project. 2.\" Please see the /usr/src/COPYRIGHT file for copyright information. 3.\" 4.\" This document takes information from the IEEE 802.3 Standard 5.\" along with various comments from Peter Wemm, Robert Watson, and Bill Paul. 6.\" Originally this file looked much like the NetBSD mii(4) manual page, but 7.\" I doubt you would ever notice due to large differences. 8.\" 9.\" $FreeBSD$ 10.\" 11.Dd February 15, 2003 12.Dt MIIBUS 4 13.Os 14.Sh NAME 15.Nm miibus 16.Nd IEEE 802.3 Media Independent Interface network bus 17.Sh SYNOPSIS 18For most network interface cards (NIC): 19.Cd "device miibus" 20.Sh DESCRIPTION 21The 22.Nm 23driver provides an interconnection between the Media Access Control (MAC) 24sublayer, the Physical Layer entities (PHY), Station Management (STA) 25entities, and the PHY Layer as defined by the IEEE 802.3 Standard. 26.Pp 27The 28.Nm 29layer allows network device drivers to share common support 30code for various external PHY devices. 31Most 10/100 network interface cards either use an MII transceiver 32or have built-in transceivers that can be programmed using an MII 33interface. 34The 35.Nm 36driver currently handles all of the media detection, 37selection, and reporting using the ifmedia interface. 38A generic driver has been included for all PHYs that are not 39handled by a specific driver, this is possible because all 4010/100 PHYs implement the same general register set along with 41their vendor specific register set. 42.Pp 43The following network device drivers use the 44.Nm 45interface: 46.Pp 47.Bl -tag -compact -width ".Xr fxp 4" 48.It Xr an 4 49Aironet 4500/4800 802.11 wireless NICs 50.It Xr aue 4 51ADMtek USB Ethernet 52.It Xr awi 4 53BayStack 660 and others 54.It Xr bge 4 55Broadcom BCM570xx Gigabit Ethernet 56.It Xr cue 4 57CATC USB Ethernet 58.It Xr dc 4 59DEC/Intel 21143 and various workalikes 60.It Xr ed 4 61NE[12]000, SMC Ultra, 3c503, DS8390 cards 62.It Xr fxp 4 63Intel EtherExpress PRO/100B (82557, 82558) 64.It Xr kue 4 65Kawasaki LSI USB Ethernet 66.It Xr pcn 4 67AMD Am79C97x PCI 10/100 68.It Xr rl 4 69RealTek 8129/8139 70.It Xr sf 4 71Adaptec AIC-6915 72.It Xr sis 4 73Silicon Integrated Systems SiS 900/SiS 7016 74.It Xr ste 4 75Sundance ST201 (D-Link DFE-550TX) 76.It Xr tl 4 77Texas Instruments ThunderLAN 78.It Xr tx 4 79SMC EtherPower II (83c170) 80.It Xr vr 4 81VIA Rhine, Rhine II 82.It Xr wb 4 83Winbond W89C840F 84.It Xr xl 4 853Com 3c90x 86.El 87.Sh COMPATIBILITY 88The implementation of 89.Nm 90was originally intended to have similar API interfaces 91to 92.Bsx 3.0 93and 94.Nx , 95but as a result are not well behaved newbus device drivers. 96.Sh SEE ALSO 97.Xr an 4 , 98.Xr arp 4 , 99.Xr aue 4 , 100.Xr awi 4 , 101.Xr bge 4 , 102.Xr cue 4 , 103.Xr dc 4 , 104.Xr ed 4 , 105.Xr fxp 4 , 106.Xr kue 4 , 107.Xr netintro 4 , 108.Xr pcn 4 , 109.Xr rl 4 , 110.Xr sf 4 , 111.Xr sis 4 , 112.Xr ste 4 , 113.Xr tl 4 , 114.Xr tx 4 , 115.Xr vr 4 , 116.Xr wb 4 , 117.Xr xl 4 118.Sh STANDARDS 119More information on MII can be found in the IEEE 802.3 Standard. 120.Sh HISTORY 121The 122.Nm 123driver first appeared in 124.Fx 3.3 . 125.Sh AUTHORS 126This manual page was written by 127.An Tom Rhodes Aq trhodes@FreeBSD.org . 128