RDMA/nes: Fix for the ORD value of the connecting peer

Set ORD value of the connecting peer to be at least one in order to
accommodate an RDMA READ Request message.

Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Donald Wood <Donald.E.Wood@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index 71edfbb..5c10cbf 100644 (file)
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -3320,6 +3320,10 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
 
        nesqp->private_data_len = conn_param->private_data_len;
        nesqp->nesqp_context->ird_ord_sizes |= cpu_to_le32((u32)conn_param->ord);
+       /* space for rdma0 read msg */
+       if (conn_param->ord == 0)
+               nesqp->nesqp_context->ird_ord_sizes |= cpu_to_le32(1);
+
        nes_debug(NES_DBG_CM, "requested ord = 0x%08X.\n", (u32)conn_param->ord);
        nes_debug(NES_DBG_CM, "mpa private data len =%u\n",
                  conn_param->private_data_len);