On 12/15/2015 2:55 PM, Jason Gunthorpe wrote: > On Tue, Dec 15, 2015 at 01:51:35PM -0600, Christoph Lameter wrote: >> On Mon, 14 Dec 2015, Hal Rosenstock wrote: >> >>>> Mellanox should really confirm this for their hardware matrix. >>> >>> I am trying to get definitive answer to this. >> >> I was told today on a conf call with a couple of Mellanox employees that >> extended counters are always available. > > .. and every field is valid? > > 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. > But not necessarily the others. The unicast/multicast extended counters are not always supported - depends on setting of PerfMgt ClassPortInfo CapabilityMask.IsExtendedWidthSupportedNoIETF (bit 10). -- Hal > Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
