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- Update regarding the support for SBus GEM added in r194763.

- Improve the description a bit and add a reference to vlan(4).
This commit is contained in:
Marius Strobl 2009-06-23 20:38:35 +00:00
parent 9ba2b298df
commit d54384d976
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=194764

View File

@ -33,7 +33,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd January 15, 2009
.Dd June 14, 2009
.Dt GEM 4
.Os
.Sh NAME
@ -57,9 +57,16 @@ if_gem_load="YES"
.Sh DESCRIPTION
The
.Nm
driver provides support for the GMac Ethernet hardware found mostly in
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 many Sun UltraSPARCs.
well as Sun UltraSPARC machines.
.Pp
All controllers supported by the
.Nm
driver have TCP checksum offload capability for both receive and transmit,
support for the reception and transmission of extended frames for
.Xr vlan 4
and a 512-bit multicast hash filter.
.Sh HARDWARE
.Pp
Chips supported by the
@ -84,6 +91,9 @@ driver at this time:
.It
Sun Gigabit Ethernet PCI 2.0/3.0 (GBE/P)
(part no.\& 501-4373)
.It
Sun Gigabit Ethernet SBus 2.0/3.0 (GBE/S)
(part no.\& 501-4375)
.El
.Sh NOTES
On sparc64 the
@ -108,15 +118,11 @@ the system's default MAC address.
Supported interfaces having their own MAC address include the on-board
Sun ERI 10/100 Mbps on boards equipped with more than one Ethernet interface
and the Sun Gigabit Ethernet 2.0/3.0 GBE add-on cards.
.Sh CAVEATS
Currently the
.Nm
driver fails to attach to Sun Gigabit Ethernet SBus 2.0/3.0 (GBE/S) cards,
as no SBus front-end has been written so far.
.Sh SEE ALSO
.Xr altq 4 ,
.Xr miibus 4 ,
.Xr netintro 4 ,
.Xr vlan 4 ,
.Xr eeprom 8 ,
.Xr ifconfig 8
.Sh HISTORY
@ -132,9 +138,19 @@ version to include it was
.An -nosplit
The
.Nm
driver was written by
driver was written for
.Nx
by
.An Eduardo Horvath
.Aq eeh@NetBSD.org .
It was ported to
.Fx
by
.An Thomas Moestl
.Aq tmm@FreeBSD.org
and later on improved by
.An Marius Strobl
.Aq marus@FreeBSD.org .
The man page was written by
.An Thomas Klausner
.Aq wiz@NetBSD.org .