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MIIBUS(4)	       FreeBSD Kernel Interfaces Manual		     MIIBUS(4)

NAME
     miibus -- IEEE 802.3 Media	Independent Interface network bus

SYNOPSIS
     For most network interface	cards (NIC):
     device miibus

DESCRIPTION
     The miibus	driver provides	an interconnection between the Media Access
     Control (MAC) sublayer, the Physical Layer	entities (PHY),	Station	Man-
     agement (STA) entities, and the PHY Layer as defined by the IEEE 802.3
     Standard.

     The miibus	layer allows network device drivers to share common support
     code for various external PHY devices.  Most 10/100 network interface
     cards either use an MII transceiver or have built-in transceivers that
     can be programmed using an	MII interface.	The miibus driver currently
     handles all of the	media detection, selection, and	reporting using	the
     ifmedia interface.	 A generic driver has been included for	all PHYs that
     are not handled by	a specific driver, this	is possible because all	10/100
     PHYs implement the	same general register set along	with their vendor spe-
     cific register set.

     The following network device drivers use the miibus interface:

     age(4)  Attansic/Atheros L1 Gigabit Ethernet
     alc(4)  Atheros AR8131/AR8132 PCIe	Ethernet
     ale(4)  Atheros AR8121/AR8113/AR8114 PCIe Ethernet
     aue(4)  ADMtek USB	Ethernet
     axe(4)  ASIX Electronics AX88172 USB Ethernet
     bce(4)  Broadcom NetXtreme	II Gigabit Ethernet
     bfe(4)  Broadcom BCM4401 Ethernet
     bge(4)  Broadcom BCM570xx Gigabit Ethernet
     cas(4)  Sun Cassini/Cassini+ and National Semiconductor DP83065 Saturn
     dc(4)   DEC/Intel 21143 and various workalikes
     ed(4)   NE[12]000,	SMC Ultra, 3c503, DS8390 cards
     et(4)   Agere ET1310 Gigabit Ethernet
     fxp(4)  Intel EtherExpress	PRO/100B
     gem(4)  Sun ERI, Sun GEM and Apple	GMAC Ethernet
     hme(4)  Sun HME Ethernet
     jme(4)  JMicron JMC250 Gigabit/JMC260 Fast	Ethernet
     lge(4)  Level 1 LXT1001 NetCellerator Gigabit Ethernet
     msk(4)  Marvell/SysKonnect	Yukon II Gigabit Ethernet
     nfe(4)  NVIDIA nForce MCP Networking Adapter
     nge(4)  National Semiconductor DP83820/DP83821 Gigabit Ethernet
     nve(4)  NVIDIA nForce MCP Networking Adapter
     pcn(4)  AMD Am79C97x PCI 10/100
     re(4)   RealTek 8139C+/8169/8169S/8110S
     rl(4)   RealTek 8129/8139
     rue(4)  RealTek RTL8150 USB To Fast Ethernet
     sf(4)   Adaptec AIC-6915
     sis(4)  Silicon Integrated	Systems	SiS 900/SiS 7016
     sk(4)   SysKonnect	SK-984x	and SK-982x Gigabit Ethernet
     ste(4)  Sundance ST201 (D-Link DFE-550TX)
     stge(4)
	     Sundance/Tamarack TC9021 Gigabit Ethernet
     tl(4)   Texas Instruments ThunderLAN
     tx(4)   SMC EtherPower II (83c170)
     udav(4)
	     Davicom DM9601 USB	Ethernet
     vge(4)  VIA VT612x	PCI Gigabit Ethernet
     vr(4)   VIA Rhine,	Rhine II
     wb(4)   Winbond W89C840F
     xl(4)   3Com 3c90x

COMPATIBILITY
     The implementation	of miibus was originally intended to have similar API
     interfaces	to BSD/OS 3.0 and NetBSD, but as a result are not well behaved
     newbus device drivers.

SEE ALSO
     age(4), alc(4), ale(4), arp(4), aue(4), axe(4), bce(4), bfe(4), bge(4),
     cas(4), dc(4), ed(4), et(4), fxp(4), gem(4), hme(4), jme(4), lge(4),
     msk(4), netintro(4), nfe(4), nge(4), nve(4), pcn(4), re(4), rl(4),
     rue(4), sf(4), sis(4), sk(4), ste(4), stge(4), tl(4), tx(4), udav(4),
     vge(4), vr(4), wb(4), xl(4)

STANDARDS
     More information on MII can be found in the IEEE 802.3 Standard.

HISTORY
     The miibus	driver first appeared in FreeBSD 3.3.

AUTHORS
     This manual page was written by Tom Rhodes	<trhodes@FreeBSD.org>.

FreeBSD	10.1			 June 14, 2009			  FreeBSD 10.1

NAME | SYNOPSIS | DESCRIPTION | COMPATIBILITY | SEE ALSO | STANDARDS | HISTORY | AUTHORS

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