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: src/share/man/man4/miibus.4,v 1.3.2.6 2004/03/01 09:22:11 brueffer Exp $ 10.\" $DragonFly: src/share/man/man4/miibus.4,v 1.5 2004/03/03 03:55:24 hmp Exp $ 11.\" 12.Dd February 15, 2003 13.Dt MIIBUS 4 14.Os 15.Sh NAME 16.Nm miibus 17.Nd IEEE 802.3 Media Independent Interface network bus 18.Sh SYNOPSIS 19For most network interface cards (NIC): 20.Cd "device miibus" 21.Sh DESCRIPTION 22The 23.Nm 24driver provides an interconnection between the Media Access Control (MAC) 25sublayer, the Physical Layer entities (PHY), Station Management (STA) 26entities, and the PHY Layer as defined by the IEEE 802.3 Standard. 27.Pp 28The 29.Nm 30layer allows network device drivers to share common support 31code for various external PHY devices. 32Most 10/100 network interface cards either use an MII transceiver 33or have built-in transceivers that can be programmed using an MII 34interface. 35The 36.Nm 37driver currently handles all of the media detection, 38selection, and reporting using the ifmedia interface. 39A generic driver has been included for all PHYs that are not 40handled by a specific driver, this is possible because all 4110/100 PHYs implement the same general register set along with 42their vendor specific register set. 43.Pp 44The following network device drivers use the 45.Nm 46interface: 47.Pp 48.Bl -tag -compact -width ".Xr fxp 4" 49.It Xr aue 4 50ADMtek USB Ethernet 51.It Xr bfe 4 52Broadcom BCM440x 10/100 Ethernet 53.It Xr bge 4 54Broadcom BCM570xx Gigabit Ethernet 55.It Xr dc 4 56DEC/Intel 21143 and various workalikes 57.It Xr ed 4 58NE[12]000, SMC Ultra, 3c503, DS8390 cards 59.It Xr fxp 4 60Intel EtherExpress PRO/100B 61.It Xr gx 4 62Intel Pro/1000 82542/82543 Gigabit Ethernet 63.It Xr lge 4 64Level 1 LXT1001 NetCellerator Gigabit Ethernet 65.It Xr nge 4 66National Semiconductor DP83820/DP83821 Gigabit Ethernet 67.It Xr pcn 4 68AMD Am79C97x PCI 10/100 69.It Xr rl 4 70RealTek 8129/8139 71.It Xr sf 4 72Adaptec AIC-6915 73.It Xr sis 4 74Silicon Integrated Systems SiS 900/SiS 7016 75.It Xr sk 4 76SysKonnect SK-984x and SK-982x Gigabit Ethernet 77.It Xr ste 4 78Sundance ST201 (D-Link DFE-550TX) 79.It Xr tl 4 80Texas Instruments ThunderLAN 81.It Xr tx 4 82SMC EtherPower II (83c170) 83.It Xr vr 4 84VIA Rhine, Rhine II 85.It Xr wb 4 86Winbond W89C840F 87.It Xr xl 4 883Com 3c90x 89.El 90.Sh COMPATIBILITY 91The implementation of 92.Nm 93was originally intended to have similar API interfaces 94to 95.Bsx 3.0 96and 97.Nx , 98but as a result are not well behaved newbus device drivers. 99.Sh SEE ALSO 100.Xr arp 4 , 101.Xr aue 4 , 102.Xr bge 4 , 103.Xr dc 4 , 104.Xr ed 4 , 105.Xr fxp 4 , 106.Xr gx 4 , 107.Xr lge 4 , 108.Xr netintro 4 , 109.Xr nge 4 , 110.Xr pcn 4 , 111.Xr rl 4 , 112.Xr sf 4 , 113.Xr sis 4 , 114.Xr sk 4 , 115.Xr ste 4 , 116.Xr tl 4 , 117.Xr tx 4 , 118.Xr vr 4 , 119.Xr wb 4 , 120.Xr xl 4 121.Sh STANDARDS 122More information on MII can be found in the IEEE 802.3 Standard. 123.Sh HISTORY 124The 125.Nm 126driver first appeared in 127.Fx 3.3 . 128.Sh AUTHORS 129This manual page was written by 130.An Tom Rhodes Aq trhodes@FreeBSD.org . 131