Date: Thu, 15 Dec 2011 09:50:45 -0800 From: Sean Bruno <seanbru@yahoo-inc.com> To: John Baldwin <jhb@freebsd.org> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: stable/7 bce(4) out of buffers Message-ID: <1323971445.3551.1.camel@hitfishpass-lx.corp.yahoo.com> In-Reply-To: <201112151000.52116.jhb@freebsd.org> References: <1323802814.26931.16.camel@hitfishpass-lx.corp.yahoo.com> <201112151000.52116.jhb@freebsd.org>
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On Thu, 2011-12-15 at 07:00 -0800, John Baldwin wrote: > On Tuesday, December 13, 2011 2:00:14 pm Sean Bruno wrote: > > Looks like we're pushing the BCM5716 really hard. Is there any way to > > give the net adapter a bit more space? > > > > e.g. > > dev.bce.0.com_no_buffers: 130228 > > Hmm, in HEAD there looks to be a hw.bce.rx_pages that can be set to > 1, 2, 4, or 8. It defaults to 2. In the 7 driver it looks like this > is a #define in sys/dev/bce/if_bcereg.h (RX_PAGES on line 6710). Try > changing RX_PAGES from 2 to 4 (or 8) and recompiling your kernel (or > bce driver) and see if that helps. > Indeed, I was eyeballing that just now. I'll post back with results. Sean
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