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 December 26, 2020 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 ae 4 49Attansic/Atheros L2 Fast Ethernet 50.It Xr age 4 51Attansic/Atheros L1 Gigabit Ethernet 52.It Xr alc 4 53Atheros AR8131/AR8132 PCIe Ethernet 54.It Xr ale 4 55Atheros AR8121/AR8113/AR8114 PCIe Ethernet 56.It Xr aue 4 57ADMtek USB Ethernet 58.It Xr axe 4 59ASIX Electronics AX88172 USB Ethernet 60.It Xr axge 4 61ASIX Electronics AX88178A/AX88179 USB Ethernet 62.It Xr bce 4 63Broadcom NetXtreme II Gigabit Ethernet 64.It Xr bfe 4 65Broadcom BCM4401 Ethernet 66.It Xr bge 4 67Broadcom BCM570xx Gigabit Ethernet 68.It Xr cas 4 69Sun Cassini/Cassini+ and National Semiconductor DP83065 Saturn 70.It Xr dc 4 71DEC/Intel 21143 and various workalikes 72.It Xr ed 4 73NE[12]000, SMC Ultra, 3c503, DS8390 cards 74.It Xr et 4 75Agere ET1310 Gigabit Ethernet 76.It Xr fxp 4 77Intel EtherExpress PRO/100B 78.It Xr gem 4 79Sun ERI, Sun GEM and Apple GMAC Ethernet 80.It Xr jme 4 81JMicron JMC250 Gigabit/JMC260 Fast Ethernet 82.It Xr lge 4 83Level 1 LXT1001 NetCellerator Gigabit Ethernet 84.It Xr msk 4 85Marvell/SysKonnect Yukon II Gigabit Ethernet 86.It Xr nfe 4 87NVIDIA nForce MCP Networking Adapter 88.It Xr nge 4 89National Semiconductor DP83820/DP83821 Gigabit Ethernet 90.It Xr re 4 91RealTek 8139C+/8169/8169S/8110S 92.It Xr rl 4 93RealTek 8129/8139 94.It Xr rue 4 95RealTek RTL8150 USB To Fast Ethernet 96.It Xr sge 4 97Silicon Integrated Systems SiS190/191 Ethernet 98.It Xr sis 4 99Silicon Integrated Systems SiS 900/SiS 7016 100.It Xr sk 4 101SysKonnect SK-984x and SK-982x Gigabit Ethernet 102.It Xr smsc 4 103SMSC LAN9xxx USB Fast Ethernet 104.It Xr ste 4 105Sundance ST201 (D-Link DFE-550TX) 106.It Xr stge 4 107Sundance/Tamarack TC9021 Gigabit Ethernet 108.It Xr udav 4 109Davicom DM9601 USB Ethernet 110.It Xr ure 4 111RealTek RTL8152 USB To Fast Ethernet 112.It Xr vge 4 113VIA VT612x PCI Gigabit Ethernet 114.It Xr vr 4 115VIA Rhine, Rhine II 116.It Xr vte 4 117DM&P Vortex86 RDC R6040 Fast Ethernet 118.It Xr xl 4 1193Com 3c90x 120.El 121.Sh COMPATIBILITY 122The implementation of 123.Nm 124was originally intended to have similar API interfaces 125to 126.Bsx 3.0 127and 128.Nx , 129but as a result are not well behaved newbus device drivers. 130.Sh SEE ALSO 131.Xr ae 4 , 132.Xr age 4 , 133.Xr alc 4 , 134.Xr ale 4 , 135.Xr arp 4 , 136.Xr aue 4 , 137.Xr axe 4 , 138.Xr axge 4 , 139.Xr bce 4 , 140.Xr bfe 4 , 141.Xr bge 4 , 142.Xr cas 4 , 143.Xr dc 4 , 144.Xr ed 4 , 145.Xr et 4 , 146.Xr fxp 4 , 147.Xr gem 4 , 148.Xr jme 4 , 149.Xr lge 4 , 150.Xr msk 4 , 151.Xr netintro 4 , 152.Xr nfe 4 , 153.Xr nge 4 , 154.Xr re 4 , 155.Xr rgephy 4 , 156.Xr rl 4 , 157.Xr rue 4 , 158.Xr sge 4 , 159.Xr sis 4 , 160.Xr sk 4 , 161.Xr smsc 4 , 162.Xr ste 4 , 163.Xr stge 4 , 164.Xr udav 4 , 165.Xr ure 4 , 166.Xr vge 4 , 167.Xr vr 4 , 168.Xr vte 4 , 169.Xr xl 4 170.Sh STANDARDS 171More information on MII can be found in the IEEE 802.3 Standard. 172.Sh HISTORY 173The 174.Nm 175driver first appeared in 176.Fx 3.3 . 177.Sh AUTHORS 178This manual page was written by 179.An Tom Rhodes Aq Mt trhodes@FreeBSD.org . 180