Date: Mon, 19 Jul 2010 16:59:49 +0800 From: "beezarliu" <beezarliu@yahoo.com.cn> To: "freebsd-net" <freebsd-net@FreeBSD.org> Cc: Jack Vogel <jfvogel@gmail.com> Subject: igb statistics error Message-ID: <201007191659457506137@yahoo.com.cn>
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Hi Jack and Hackers,
I use igb driver (version:1.9.3) in our local-made freebsd7-stable build.
But I found its statistics is very strang.
The total received packet number(TPR) is not equal to the good packets Rx count (GPRC).
I think these 2 values should be equal because there is no error in receiving side.
For example:
(kgdb) p adapter.stats
$4 = {crcerrs = 0, algnerrc = 0, symerrs = 0, rxerrc = 0, mpc = 0, scc = 0,
ecol = 0, mcc = 0, latecol = 0, colc = 0, dc = 0, tncrs = 0, sec = 0,
cexterr = 0, rlec = 0, xonrxc = 0, xontxc = 0, xoffrxc = 0, xofftxc = 0,
fcruc = 0, prc64 = 6, prc127 = 23, prc255 = 0, prc511 = 0, prc1023 = 0,
prc1522 = 0, gprc = 29, bprc = 29, mprc = 0, gptc = 0, gorc = 1948,
gotc = 0, rnbc = 0, ruc = 0, rfc = 0, roc = 0, rjc = 0, mgprc = 0,
mgpdc = 0, mgptc = 0, tor = 0, tot = 0, tpr = 568, tpt = 0, ptc64 = 0,
ptc127 = 0, ptc255 = 0, ptc511 = 0, ptc1023 = 0, ptc1522 = 0, mptc = 0,
bptc = 0, tsctc = 0, tsctfc = 0, iac = 0, icrxptc = 0, icrxatc = 0,
ictxptc = 0, ictxatc = 0, ictxqec = 0, ictxqmtc = 0, icrxdmtc = 0,
icrxoc = 0, cbtmpc = 0, htdpmc = 0, cbrdpc = 0, cbrmpc = 0, rpthc = 0,
hgptc = 0, htcbdpc = 0, hgorc = 0, hgotc = 0, lenerrs = 0, scvpc = 0,
hrmpc = 0, doosync = 0, lostcarrier = 0, skip_wakeup = 0, wakeup = 0,
getbuffail = 0, eop = 0, m_flagserr = 0, m_lenserr = 0, rcviferr = 0}
2010-07-19
beezarliu
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