Date: Wed, 8 Sep 1999 06:42:31 +0200 From: Andre Albsmeier <andre.albsmeier@mchp.siemens.de> To: Doug White <dwhite@resnet.uoregon.edu> Cc: Andre Albsmeier <andre.albsmeier@mchp.siemens.de>, FreeBSD-mobile@FreeBSD.ORG Subject: Re: Recommendation for a GOOD 100 MBit Ethernet card wanted Message-ID: <19990908064231.A1059@internal> In-Reply-To: <Pine.BSF.4.10.9909071535540.55118-100000@resnet.uoregon.edu> References: <19990905192333.A34635@internal> <Pine.BSF.4.10.9909071535540.55118-100000@resnet.uoregon.edu>
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On Tue, 07-Sep-1999 at 15:36:03 -0700, Doug White wrote: > On Sun, 5 Sep 1999, Andre Albsmeier wrote: > > > I am looking for a 100MBit Ethernet card for use with 3.2-STABLE which > > does perform better than the "Intel EtherExpress(TM) PRO/100 PC C". > > Currently, I am using this one with the xe driver, but performance is > > rather bad (about 1.2 MBytes/sec). According to if_xe.c, this is due > > to the way the card is handled by the driver: > > > > * Note that the crappy PIO used to get packets on and off the card means that > > * you will spend a lot of time in this routine -- I can get my P150 to spend > > * 90% of its time servicing interrupts if I really hammer the network. Could > > * fix this, but then you'd start dropping/losing packets. The moral of this > > * story? If you want good network performance _and_ some cycles left over to > > * get your work done, don't buy a Xircom card. Or convince them to tell me > > * how to do memory-mapped I/O :) > > ISA or PCI? PCMCIA :-) Sorry, I thought, this would have been clear since the post went to -mobile :-). -Andre To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
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