RDS: Base init_depth and responder_resources on hw values

Instead of using a constant for initiator_depth and
responder_resources, read the per-QP values when the
device is enumerated, and then use these values when creating
the connection.

Signed-off-by: Andy Grover <andy.grover@oracle.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/rds/ib.c b/net/rds/ib.c
index f0d29656baff..72a5116c11de 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -91,6 +91,9 @@ void rds_ib_add_one(struct ib_device *device)
                         min_t(unsigned int, dev_attr->max_fmr, fmr_pool_size) :
                         fmr_pool_size;
 
+        rds_ibdev->max_initiator_depth = dev_attr->max_qp_init_rd_atom;
+        rds_ibdev->max_responder_resources = dev_attr->max_qp_rd_atom;
+
         rds_ibdev->dev = device;
         rds_ibdev->pd = ib_alloc_pd(device);
         if (IS_ERR(rds_ibdev->pd))