From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [PATCH 3/3] IB core: Display 64 bit counters from the extended set Date: Tue, 15 Dec 2015 14:20:35 -0700 Message-ID: <20151215212035.GD28167@obsidianresearch.com> References: <20151211182532.332343651@linux.com> <20151211182543.329283794@linux.com> <20151211235630.GG7855@phlsvsds.ph.intel.com> <20151212000047.GA9961@obsidianresearch.com> <566EEE69.5080906@dev.mellanox.co.il> <20151215195554.GA28167@obsidianresearch.com> <5670717F.9090701@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <5670717F.9090701-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Hal Rosenstock Cc: Christoph Lameter , "ira.weiny" , dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org On Tue, Dec 15, 2015 at 03:01:03PM -0500, Hal Rosenstock wrote: > > I would agree, from my observation, that the two main byte counters > > are always available. > > The extended packet counts work but I thought there was a PMA with one > of the extended byte counts wired to 0. Can't remember > > But not necessarily the others. > > 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. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html