Hi, This USB unit is shipped with some Apple Macbooks. Closer inspections shows it's just a udav(4), with an amphy(4) clone.
I'm sending this mail through this USB adapter with my diff. Index: src/sys/dev/mii/amphy.c =================================================================== RCS file: /cvs/src/sys/dev/mii/amphy.c,v retrieving revision 1.18 diff -u -r1.18 amphy.c --- src/sys/dev/mii/amphy.c 8 Sep 2008 07:38:33 -0000 1.18 +++ src/sys/dev/mii/amphy.c 13 Feb 2011 20:13:54 -0000 @@ -85,7 +85,8 @@ MII_STR_DAVICOM_DM9601 }, { MII_OUI_xxALTIMA, MII_MODEL_AMD_79C875phy, MII_STR_AMD_79C875phy }, - + { MII_OUI_APPLE, MII_MODEL_APPLE_79C873, + MII_STR_APPLE_79C873 }, { 0, 0, NULL }, }; Index: src/sys/dev/mii/miidevs =================================================================== RCS file: /cvs/src/sys/dev/mii/miidevs,v retrieving revision 1.116 diff -u -r1.116 miidevs --- src/sys/dev/mii/miidevs 21 Jan 2011 09:46:13 -0000 1.116 +++ src/sys/dev/mii/miidevs 13 Feb 2011 20:13:31 -0000 @@ -71,6 +71,7 @@ oui PLESSEYSEMI 0x046b40 Plessey Semi. oui NATSEMI 0x080017 National Semi. oui TI 0x080028 Texas Instruments +oui APPLE 0x000749 Apple Inc. /* in the 79c873, AMD uses another OUI (which matches Davicom!) */ oui xxALTIMA 0x000895 Altima @@ -113,6 +114,7 @@ model xxAMD 79C873 0x0000 Am79C873 10/100 PHY model AMD 79C875phy 0x0014 Am79C875 quad PHY model AMD 79C873phy 0x0036 Am79C873 internal PHY +model APPLE 79C873 0x0001 Am79C873 10/100 PHY /* Agere PHYs */ model AGERE ET1011 0x0004 ET1011 10/100/1000baseT PHY