NAME
gem —
ERI/GEM/GMAC Ethernet device
driver
SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file:
device miibus
device gemAlternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
if_gem_load="YES"
DESCRIPTION
Thegem driver provides support for the GMAC Ethernet
hardware found mostly in the last Apple PowerBooks G3s and most G4-based Apple
hardware, as well as Sun UltraSPARC machines.
All controllers supported by the gem
driver have TCP checksum offload capability for both receive and transmit,
support for the reception and transmission of extended frames for
vlan(4) and a 512-bit multicast hash filter.
HARDWARE
Chips supported by the gem driver
include:
- Apple GMAC
- Sun ERI 10/100 Mbps Ethernet
- Sun GEM Gigabit Ethernet
The following add-on cards are known to work with the
gem driver at this time:
- Sun Gigabit Ethernet PCI 2.0/3.0 (GBE/P) (part no. 501-4373)
SEE ALSO
HISTORY
The gem device driver appeared in
NetBSD 1.6. The first
FreeBSD version to include it was
FreeBSD 5.0.
AUTHORS
The gem driver was written for
NetBSD by Eduardo Horvath
<eeh@NetBSD.org>. It
was ported to FreeBSD by Thomas
Moestl
<tmm@FreeBSD.org> and
later on improved by Marius Strobl
<marius@FreeBSD.org>.
The man page was written by Thomas Klausner
<wiz@NetBSD.org>.