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 1.6 2005/12/15 09:04:59 swildner 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 axe 4 52ASIX Electronics AX88172 USB Ethernet 53.It Xr bfe 4 54Broadcom BCM440x 10/100 Ethernet 55.It Xr bge 4 56Broadcom BCM570xx Gigabit Ethernet 57.It Xr dc 4 58DEC/Intel 21143 and various workalikes 59.It Xr ed 4 60NE[12]000, SMC Ultra, 3c503, DS8390 cards 61.It Xr fxp 4 62Intel EtherExpress PRO/100B 63.It Xr gx 4 64Intel Pro/1000 82542/82543 Gigabit Ethernet 65.It Xr lge 4 66Level 1 LXT1001 NetCellerator Gigabit Ethernet 67.It Xr nge 4 68National Semiconductor DP83820/DP83821 Gigabit Ethernet 69.It Xr nv 4 70NVIDIA nForce MCP Networking Adapter 71.It Xr pcn 4 72AMD Am79C97x PCI 10/100 73.It Xr re 4 74RealTek 8139C+/8169/8169S/8110S 75.It Xr rl 4 76RealTek 8129/8139 77.It Xr rue 4 78RealTek RTL8150 USB To Fast Ethernet 79.It Xr sf 4 80Adaptec AIC-6915 81.It Xr sis 4 82Silicon Integrated Systems SiS 900/SiS 7016 83.It Xr sk 4 84SysKonnect SK-984x and SK-982x Gigabit Ethernet 85.It Xr ste 4 86Sundance ST201 (D-Link DFE-550TX) 87.It Xr tl 4 88Texas Instruments ThunderLAN 89.It Xr tx 4 90SMC EtherPower II (83c170) 91.It Xr vr 4 92VIA Rhine, Rhine II 93.It Xr wb 4 94Winbond W89C840F 95.It Xr xl 4 963Com 3c90x 97.El 98.Sh COMPATIBILITY 99The implementation of 100.Nm 101was originally intended to have similar API interfaces 102to 103.Bsx 3.0 104and 105.Nx , 106but as a result are not well behaved newbus device drivers. 107.Sh SEE ALSO 108.Xr arp 4 , 109.Xr aue 4 , 110.Xr axe 4 , 111.Xr bfe 4 , 112.Xr bge 4 , 113.Xr dc 4 , 114.Xr ed 4 , 115.Xr fxp 4 , 116.Xr gx 4 , 117.Xr lge 4 , 118.Xr netintro 4 , 119.Xr nge 4 , 120.Xr nv 4 , 121.Xr pcn 4 , 122.Xr re 4 , 123.Xr rl 4 , 124.Xr rue 4 , 125.Xr sf 4 , 126.Xr sis 4 , 127.Xr sk 4 , 128.Xr ste 4 , 129.Xr tl 4 , 130.Xr tx 4 , 131.Xr vr 4 , 132.Xr wb 4 , 133.Xr xl 4 134.Sh STANDARDS 135More information on MII can be found in the IEEE 802.3 Standard. 136.Sh HISTORY 137The 138.Nm 139driver first appeared in 140.Fx 3.3 . 141.Sh AUTHORS 142This manual page was written by 143.An Tom Rhodes Aq trhodes@FreeBSD.org . 144