From: Hal Rosenstock <hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
To: Jason Gunthorpe
<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
Cc: Christoph Lameter <cl-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>,
"ira.weiny" <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 3/3] IB core: Display 64 bit counters from the extended set
Date: Tue, 15 Dec 2015 16:42:57 -0500 [thread overview]
Message-ID: <56708961.1040505@dev.mellanox.co.il> (raw)
In-Reply-To: <20151215212035.GD28167-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
On 12/15/2015 4:20 PM, Jason Gunthorpe wrote:
>> The unicast/multicast extended counters are not always supported -
>> > depends on setting of PerfMgt ClassPortInfo
>> > CapabilityMask.IsExtendedWidthSupportedNoIETF (bit 10).
> Yes.. certainly this proposed patch needs to account for that and
> continue to use the 32 bit ones in that case.
There are no 32 bit equivalents of those 4 "IETF" counters ([uni
multi]cast [xmit rcv] pkts).
When not supported, perhaps it is best not to populate these counters in
sysfs so one can discern between counter not supported and 0 value.
I'm still working on definitive mthca answer but think the attribute is
not supported there. Does anyone out there have an mthca setup where
they can try this ?
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next prev parent reply other threads:[~2015-12-15 21:42 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-11 18:25 [PATCH 0/3] IB 64 bit counter support Christoph Lameter
2015-12-11 18:25 ` [PATCH 1/3] IB core: Allow specification of attr_id in PORT_PMA_ATTR macro Christoph Lameter
[not found] ` <20151211182543.135984387-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>
2015-12-11 23:31 ` ira.weiny
2015-12-11 18:25 ` [PATCH 2/3] IB core: Support 64 bit values in the port counters Christoph Lameter
[not found] ` <20151211182543.229518282-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>
2015-12-11 23:33 ` ira.weiny
2015-12-11 18:25 ` [PATCH 3/3] IB core: Display 64 bit counters from the extended set Christoph Lameter
[not found] ` <20151211182543.329283794-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>
2015-12-11 23:56 ` ira.weiny
[not found] ` <20151211235630.GG7855-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2015-12-12 0:00 ` Jason Gunthorpe
[not found] ` <20151212000047.GA9961-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-12-12 0:23 ` ira.weiny
[not found] ` <20151212002313.GH7855-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2015-12-12 0:47 ` Jason Gunthorpe
[not found] ` <20151212004715.GA10790-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-12-12 1:15 ` ira.weiny
2015-12-14 16:29 ` Hal Rosenstock
[not found] ` <566EEE69.5080906-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-12-15 19:51 ` Christoph Lameter
[not found] ` <alpine.DEB.2.20.1512151351050.3509-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-12-15 19:55 ` Jason Gunthorpe
[not found] ` <20151215195554.GA28167-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-12-15 20:01 ` Hal Rosenstock
[not found] ` <5670717F.9090701-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-12-15 21:20 ` Jason Gunthorpe
[not found] ` <20151215212035.GD28167-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-12-15 21:42 ` Hal Rosenstock [this message]
[not found] ` <56708961.1040505-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-12-15 21:46 ` Doug Ledford
[not found] ` <56708A19.8030403-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-12-16 15:35 ` Christoph Lameter
2015-12-16 16:44 ` Doug Ledford
2015-12-16 16:22 ` Christoph Lameter
[not found] ` <alpine.DEB.2.20.1512161000150.17457-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-12-16 19:34 ` Christoph Lameter
[not found] ` <alpine.DEB.2.20.1512161332200.10147-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-12-17 17:44 ` Hal Rosenstock
[not found] ` <5672F47F.9060806-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-12-17 18:54 ` Christoph Lameter
[not found] ` <alpine.DEB.2.20.1512171252200.2954-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-12-17 19:14 ` Hal Rosenstock
[not found] ` <5673097D.8050906-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-12-17 19:21 ` Christoph Lameter
[not found] ` <alpine.DEB.2.20.1512171321110.8087-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-12-17 19:47 ` Hal Rosenstock
2015-12-14 17:36 ` Devesh Sharma
2015-12-14 14:03 ` Matan Barak
[not found] ` <CAAKD3BAT36BGP+21y9oz1E4EuURFuwiAHi558ho8y+k3GEy4Ww-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-12-14 14:55 ` Christoph Lameter
[not found] ` <alpine.DEB.2.20.1512140853510.25000-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-12-14 15:20 ` Matan Barak
[not found] ` <CAAKD3BC+DTMpza8WoshBS5SwzzWz-OMiR-KEegKAcrFYpCfqrg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-12-14 16:06 ` Christoph Lameter
[not found] ` <alpine.DEB.2.20.1512141005010.25235-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-12-20 10:10 ` Matan Barak
2015-12-20 10:37 ` Hal Rosenstock
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