Date: Tue, 7 Sep 1999 15:36:03 -0700 (PDT) From: Doug White <dwhite@resnet.uoregon.edu> To: Andre Albsmeier <andre.albsmeier@mchp.siemens.de> Cc: FreeBSD-mobile@FreeBSD.ORG Subject: Re: Recommendation for a GOOD 100 MBit Ethernet card wanted Message-ID: <Pine.BSF.4.10.9909071535540.55118-100000@resnet.uoregon.edu> In-Reply-To: <19990905192333.A34635@internal>
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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? Doug White Internet: dwhite@resnet.uoregon.edu | FreeBSD: The Power to Serve http://gladstone.uoregon.edu/~dwhite | www.freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
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