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MIIBUS(4)             DragonFly 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
     Management (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(4) 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 specific register set.

     The following network device drivers use the miibus interface:

     ae(4)       Attansic/Atheros L2 FastEthernet
     age(4)      Attansic/Atheros L1 Gigabit Ethernet
     alc(4)      Atheros AR8131/AR8132 Gigabit/Fast Ethernet
     ale(4)      Atheros AR8121/AR8113/AR8114 Gigabit/Fast Ethernet
     aue(4)      ADMtek USB Ethernet
     axe(4)      ASIX Electronics AX88172 USB Ethernet
     axge(4)     ASIX Electronics AX88178A/AX88179 USB Gigabit Ethernet
     bce(4)      Broadcom BCM5706/BCM5708 Gigabit Ethernet
     bfe(4)      Broadcom BCM440x 10/100 Ethernet
     bge(4)      Broadcom BCM570xx Gigabit Ethernet
     dc(4)       DEC/Intel 21143 and various workalikes
     et(4)       Agere ET1310 10/100/1000 Ethernet
     fxp(4)      Intel EtherExpress PRO/100B
     jme(4)      JMicron Gigabit Ethernet
     lge(4)      Level 1 LXT1001 NetCellerator Gigabit Ethernet
     mos(4)      Moschip MCS7730/MCS7830/MCS7832 USB Ethernet
     msk(4)      Marvell/SysKonnect Yukon II Gigabit Ethernet
     nfe(4)      NVIDIA nForce MCP 10/100/Gigabit Ethernet
     nge(4)      National Semiconductor DP83820/DP83821 Gigabit Ethernet
     pcn(4)      AMD Am79C97x PCI 10/100
     re(4)       RealTek 8139C+/8169/8169S/8110S
     rl(4)       RealTek 8129/8139
     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 Networking Technologies VT6122 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
     ae(4), age(4), alc(4), ale(4), arp(4), aue(4), axe(4), axge(4), bce(4),
     bfe(4), bge(4), dc(4), et(4), fxp(4), jme(4), lge(4), mos(4), msk(4),
     netintro(4), nfe(4), nge(4), pcn(4), re(4), rl(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>.

DragonFly 5.5-DEVELOPMENT        May 20, 2019        DragonFly 5.5-DEVELOPMENT