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.\" 11.Dd May 20, 2019 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 38.Xr ifmedia 4 39interface. 40A generic driver has been included for all PHYs that are not 41handled by a specific driver, this is possible because all 4210/100 PHYs implement the same general register set along with 43their vendor specific register set. 44.Pp 45The following network device drivers use the 46.Nm 47interface: 48.Pp 49.Bl -tag -compact -width ".Xr stge 4" 50.It Xr ae 4 51Attansic/Atheros L2 FastEthernet 52.It Xr age 4 53Attansic/Atheros L1 Gigabit Ethernet 54.It Xr alc 4 55Atheros AR8131/AR8132 Gigabit/Fast Ethernet 56.It Xr ale 4 57Atheros AR8121/AR8113/AR8114 Gigabit/Fast Ethernet 58.It Xr aue 4 59ADMtek USB Ethernet 60.It Xr axe 4 61ASIX Electronics AX88172 USB Ethernet 62.It Xr axge 4 63ASIX Electronics AX88178A/AX88179 USB Gigabit Ethernet 64.It Xr bce 4 65Broadcom BCM5706/BCM5708 Gigabit Ethernet 66.It Xr bfe 4 67Broadcom BCM440x 10/100 Ethernet 68.It Xr bge 4 69Broadcom BCM570xx Gigabit Ethernet 70.It Xr dc 4 71DEC/Intel 21143 and various workalikes 72.It Xr et 4 73Agere ET1310 10/100/1000 Ethernet 74.It Xr fxp 4 75Intel EtherExpress PRO/100B 76.It Xr jme 4 77JMicron Gigabit Ethernet 78.It Xr lge 4 79Level 1 LXT1001 NetCellerator Gigabit Ethernet 80.It Xr mos 4 81Moschip MCS7730/MCS7830/MCS7832 USB Ethernet 82.It Xr msk 4 83Marvell/SysKonnect Yukon II Gigabit Ethernet 84.It Xr nfe 4 85NVIDIA nForce MCP 10/100/Gigabit Ethernet 86.It Xr nge 4 87National Semiconductor DP83820/DP83821 Gigabit Ethernet 88.It Xr pcn 4 89AMD Am79C97x PCI 10/100 90.It Xr re 4 91RealTek 8139C+/8169/8169S/8110S 92.It Xr rl 4 93RealTek 8129/8139 94.It Xr sf 4 95Adaptec AIC-6915 96.It Xr sis 4 97Silicon Integrated Systems SiS 900/SiS 7016 98.It Xr sk 4 99SysKonnect SK-984x and SK-982x Gigabit Ethernet 100.It Xr ste 4 101Sundance ST201 (D-Link DFE-550TX) 102.It Xr stge 4 103Sundance/Tamarack TC9021 Gigabit Ethernet 104.It Xr tl 4 105Texas Instruments ThunderLAN 106.It Xr tx 4 107SMC EtherPower II (83c170) 108.It Xr udav 4 109Davicom DM9601 USB Ethernet 110.It Xr vge 4 111VIA Networking Technologies VT6122 PCI Gigabit Ethernet 112.It Xr vr 4 113VIA Rhine, Rhine II 114.It Xr wb 4 115Winbond W89C840F 116.It Xr xl 4 1173Com 3c90x 118.El 119.Sh COMPATIBILITY 120The implementation of 121.Nm 122was originally intended to have similar API interfaces 123to 124.Bsx 3.0 125and 126.Nx , 127but as a result are not well behaved newbus device drivers. 128.Sh SEE ALSO 129.Xr ae 4 , 130.Xr age 4 , 131.Xr alc 4 , 132.Xr ale 4 , 133.Xr arp 4 , 134.Xr aue 4 , 135.Xr axe 4 , 136.Xr axge 4 , 137.Xr bce 4 , 138.Xr bfe 4 , 139.Xr bge 4 , 140.Xr dc 4 , 141.Xr et 4 , 142.Xr fxp 4 , 143.Xr jme 4 , 144.Xr lge 4 , 145.Xr mos 4 , 146.Xr msk 4 , 147.Xr netintro 4 , 148.Xr nfe 4 , 149.Xr nge 4 , 150.Xr pcn 4 , 151.Xr re 4 , 152.Xr rl 4 , 153.Xr sf 4 , 154.Xr sis 4 , 155.Xr sk 4 , 156.Xr ste 4 , 157.Xr stge 4 , 158.Xr tl 4 , 159.Xr tx 4 , 160.Xr udav 4 , 161.Xr vge 4 , 162.Xr vr 4 , 163.Xr wb 4 , 164.Xr xl 4 165.Sh STANDARDS 166More information on MII can be found in the IEEE 802.3 Standard. 167.Sh HISTORY 168The 169.Nm 170driver first appeared in 171.Fx 3.3 . 172.Sh AUTHORS 173This manual page was written by 174.An Tom Rhodes Aq Mt trhodes@FreeBSD.org . 175