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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).
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=194764
@ -33,7 +33,7 @@
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.\"
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.\" $FreeBSD$
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.\"
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.Dd January 15, 2009
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.Dd June 14, 2009
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.Dt GEM 4
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.Os
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.Sh NAME
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@ -57,9 +57,16 @@ if_gem_load="YES"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for the GMac Ethernet hardware found mostly in
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driver provides support for the GMAC Ethernet hardware found mostly in
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the last Apple PowerBooks G3s and most G4-based Apple hardware, as
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well as many Sun UltraSPARCs.
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well as Sun UltraSPARC machines.
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.Pp
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All controllers supported by the
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.Nm
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driver have TCP checksum offload capability for both receive and transmit,
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support for the reception and transmission of extended frames for
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.Xr vlan 4
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and a 512-bit multicast hash filter.
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.Sh HARDWARE
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.Pp
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Chips supported by the
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@ -84,6 +91,9 @@ driver at this time:
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.It
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Sun Gigabit Ethernet PCI 2.0/3.0 (GBE/P)
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(part no.\& 501-4373)
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.It
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Sun Gigabit Ethernet SBus 2.0/3.0 (GBE/S)
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(part no.\& 501-4375)
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.El
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.Sh NOTES
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On sparc64 the
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@ -108,15 +118,11 @@ the system's default MAC address.
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Supported interfaces having their own MAC address include the on-board
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Sun ERI 10/100 Mbps on boards equipped with more than one Ethernet interface
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and the Sun Gigabit Ethernet 2.0/3.0 GBE add-on cards.
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.Sh CAVEATS
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Currently the
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.Nm
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driver fails to attach to Sun Gigabit Ethernet SBus 2.0/3.0 (GBE/S) cards,
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as no SBus front-end has been written so far.
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.Sh SEE ALSO
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.Xr altq 4 ,
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.Xr miibus 4 ,
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.Xr netintro 4 ,
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.Xr vlan 4 ,
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.Xr eeprom 8 ,
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.Xr ifconfig 8
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.Sh HISTORY
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@ -132,9 +138,19 @@ version to include it was
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.An -nosplit
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The
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.Nm
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driver was written by
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driver was written for
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.Nx
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by
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.An Eduardo Horvath
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.Aq eeh@NetBSD.org .
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It was ported to
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.Fx
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by
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.An Thomas Moestl
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.Aq tmm@FreeBSD.org
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and later on improved by
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.An Marius Strobl
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.Aq marus@FreeBSD.org .
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The man page was written by
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.An Thomas Klausner
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.Aq wiz@NetBSD.org .
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