Date: Tue, 12 Aug 2008 11:39:28 +0900 From: Pyun YongHyeon <pyunyh@gmail.com> To: Andrew Snow <andrew@modulus.org> Cc: "freebsd-net >> FreeBSD Net" <freebsd-net@freebsd.org> Subject: Re: Rx/tx hardware checksumming statistics? Message-ID: <20080812023928.GE54362@cdnetworks.co.kr> In-Reply-To: <48A0BE14.6070102@modulus.org> References: <g7ktnq$glp$1@lorvorc.mips.inka.de> <20080811021703.GC50045@cdnetworks.co.kr> <48A0BE14.6070102@modulus.org>
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On Tue, Aug 12, 2008 at 08:32:52AM +1000, Andrew Snow wrote: > > Are there any NIC hardware counters that FreeBSD could be taking > advantage of or displaying? > It depends on device driver. Some drivers access hardware counters maintained by MAC and can display these counters with sysctl(8). In addition these counters are used to update statistics counters in ifnet which can be checked with netstat(1). For example, em(4), age(4), sf(4), bge(4), bce(4) provide sysctl interface. -- Regards, Pyun YongHyeon
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