On Mon, Oct 07, 2019 at 08:12:37AM -0700, Bart Van Assche wrote: > On 10/7/19 6:59 AM, Leon Romanovsky wrote: > > diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h > > index 4f671378dbfc..60fd98a9b7e8 100644 > > --- a/include/rdma/ib_verbs.h > > +++ b/include/rdma/ib_verbs.h > > @@ -445,6 +445,8 @@ struct ib_device_attr { > > struct ib_tm_caps tm_caps; > > struct ib_cq_caps cq_caps; > > u64 max_dm_size; > > + /* Max entries for sgl for optimized performance per READ */ > ^^^^^^^^^ > optimal? > > Should it be mentioned that zero means that the HCA has not set this > parameter? It is always the case for other max_* values. > > > + u32 max_sgl_rd; > > Thanks, > > Bart.