From mboxrd@z Thu Jan 1 00:00:00 1970 From: Doug Ledford Subject: Re: [PATCH 3/3] IB core: Display 64 bit counters from the extended set Date: Tue, 15 Dec 2015 16:46:01 -0500 Message-ID: <56708A19.8030403@redhat.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> <20151215212035.GD28167@obsidianresearch.com> <56708961.1040505@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="2BxxmU6XtjU07htM16SuuuuFSTTbiplgv" Return-path: In-Reply-To: <56708961.1040505-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Hal Rosenstock , Jason Gunthorpe Cc: Christoph Lameter , "ira.weiny" , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --2BxxmU6XtjU07htM16SuuuuFSTTbiplgv Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 12/15/2015 04:42 PM, Hal Rosenstock wrote: > 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). >=20 >> Yes.. certainly this proposed patch needs to account for that and >> continue to use the 32 bit ones in that case. >=20 > There are no 32 bit equivalents of those 4 "IETF" counters ([uni > multi]cast [xmit rcv] pkts). >=20 > When not supported, perhaps it is best not to populate these counters i= n > sysfs so one can discern between counter not supported and 0 value. >=20 > 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 ? Yes. --=20 Doug Ledford GPG KeyID: 0E572FDD --2BxxmU6XtjU07htM16SuuuuFSTTbiplgv Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCAAGBQJWcIoZAAoJELgmozMOVy/dySsQAJAOzM9/ATUu3OHM7LjnYgYr jE0ZfF5GoFcguK3hLdB22fy+W3InzDlPaRgoxzY+kAzHtjTn+YH0DOfOwi2MMb2j tcs0M8eT2Cwol8Y4akpZNxJOyX9UHUyJELB6PVwBnMm3jOAANERkIBvkGuL48k+L H1nfFjPKP29S9d9v+cvDqC8+Tcb0A1Ba4ITj69/D4WhuBzIh24reGv/o6CMgH98q wfW+OmLnNXxBpOUdY8FDVq4y4huq0A9oFd67I7SoqjZjvAL2j/JHdi7PAfT/VRDI WJR+xSx+ok1pkD32e38rpwbU1tdDIv73sfQTKuOUqPRQcENXoYFGpFzO9GIMCelY JIxEam6FoYRiqmnLHcKQeNoS333L0tZxQN1rFPAFz8U1GiWpLFKQbYIYQ3xvFtqQ 0EyqFu827iNzWNFbIt3DvvuCs6zMP8qC/8fZ0Ysrxl9rxxcXJaZWkrUeB0c/5C7p /UCOWnpfUGhviLTUEBjHcKsekcnx/f+BUU4NEJ2AdNzmfRNN9kugJi/f2l0lXzMY FLT27ATQBRyoQL7IoHyMIRIZjI/0FfmZGPldIy5oIFO2R39Jjy0tuDaoJv7MZfRe GLaw7eQWeVLT5YeoULxvGPbSVT3xKjkoWbI42dfFcaJvCTNZiJ/2NjSj5/5GRTEc P4xvM3WJFqkYwTlGrhwm =tLCt -----END PGP SIGNATURE----- --2BxxmU6XtjU07htM16SuuuuFSTTbiplgv-- -- 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