Date: Thu, 17 Oct 2002 21:55:43 -0700 From: Luigi Rizzo <rizzo@icir.org> To: Jim McGrath <jimmcgra@bellatlantic.net> Cc: Petri Helenius <pete@he.iki.fi>, Lars Eggert <larse@ISI.EDU>, freebsd-net@FreeBSD.ORG Subject: Re: ENOBUFS Message-ID: <20021017215543.B76232@carp.icir.org> In-Reply-To: <NDBBKKEELKBCJJBEGDECCEHHCGAA.jimmcgra@bellatlantic.net>; from jimmcgra@bellatlantic.net on Fri, Oct 18, 2002 at 12:49:04AM -0400 References: <20021017201158.A75351@carp.icir.org> <NDBBKKEELKBCJJBEGDECCEHHCGAA.jimmcgra@bellatlantic.net>
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On Fri, Oct 18, 2002 at 12:49:04AM -0400, Jim McGrath wrote: > Careful here. Read the errata sheet!! I do not believe the em driver uses > these parameters, and possibly for a good reason. as if i had access to the data sheets :) cheers luigi > Jim > > > -----Original Message----- > > From: owner-freebsd-net@FreeBSD.ORG > > [mailto:owner-freebsd-net@FreeBSD.ORG]On Behalf Of Luigi Rizzo > > Sent: Thursday, October 17, 2002 11:12 PM > > To: Petri Helenius > > Cc: Lars Eggert; freebsd-net@FreeBSD.ORG > > Subject: Re: ENOBUFS > > > > > > On Thu, Oct 17, 2002 at 11:55:24PM +0300, Petri Helenius wrote: > > ... > > > I seem to get about 5-6 packets on an interrupt. Is this tunable? At > > > > just reading the source code, yes, it appears that the card has > > support for delayed rx/tx interrupts -- see RIDV and TIDV definitions > > and usage in sys/dev/em/* . I don't know in what units are the values > > (28 and 128, respectively), but it does appear that tx interrupts are > > delayed a bit more than rx interrupts. > > > > They are not user-configurable at the moment though, you need to rebuild > > the kernel. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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