On Wed, May 22, 2019 at 02:21:37PM -0300, Jason Gunthorpe wrote: > On Mon, Apr 29, 2019 at 11:34:47AM +0300, Leon Romanovsky wrote: > > From: Mark Zhang <markz@xxxxxxxxxxxx> > > > > This patch adds the ability to return all available counters > > together with their properties and hwstats. > > > > Signed-off-by: Mark Zhang <markz@xxxxxxxxxxxx> > > Reviewed-by: Majd Dibbiny <majd@xxxxxxxxxxxx> > > Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx> > > drivers/infiniband/core/counters.c | 28 +++++ > > drivers/infiniband/core/device.c | 2 + > > drivers/infiniband/core/nldev.c | 173 +++++++++++++++++++++++++++++ > > include/rdma/ib_verbs.h | 10 ++ > > include/rdma/rdma_counter.h | 3 + > > include/uapi/rdma/rdma_netlink.h | 10 +- > > 6 files changed, 225 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/infiniband/core/counters.c b/drivers/infiniband/core/counters.c > > index 665e0d43c21b..36cd9eca1e46 100644 > > +++ b/drivers/infiniband/core/counters.c > > @@ -62,6 +62,9 @@ static struct rdma_counter *rdma_counter_alloc(struct ib_device *dev, u8 port, > > { > > struct rdma_counter *counter; > > > > + if (!dev->ops.counter_alloc_stats) > > + return NULL; > > + > > Seems weird to add this now, why was it Ok to have counters prior to > this patch? Prior to this patch, "sysfs" counters and "netlink" counters were independent from user perspective. Thanks > > Jason