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Commit 962063e6 authored by Sean Hefty's avatar Sean Hefty Committed by Roland Dreier
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RDMA/cma: Request reversible paths only 



The rdma_cm requires that path records be reversible.  Set the
reversible bit when issuing an path record query.

Signed-off-by: default avatarSean Hefty <sean.hefty@intel.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 47645d8d

drivers/infiniband/core/cma.c

+3 −1
Original line number Diff line number Diff line
@@ -1492,11 +1492,13 @@ static int cma_query_ib_route(struct rdma_id_private *id_priv, int timeout_ms, 
	ib_addr_get_dgid(addr, &path_rec.dgid);

	path_rec.pkey = cpu_to_be16(ib_addr_get_pkey(addr));

	path_rec.numb_path = 1;

	path_rec.reversible = 1;



	id_priv->query_id = ib_sa_path_rec_get(&sa_client, id_priv->id.device,

				id_priv->id.port_num, &path_rec,

				IB_SA_PATH_REC_DGID | IB_SA_PATH_REC_SGID |

				IB_SA_PATH_REC_PKEY | IB_SA_PATH_REC_NUMB_PATH,

				IB_SA_PATH_REC_PKEY | IB_SA_PATH_REC_NUMB_PATH |

				IB_SA_PATH_REC_REVERSIBLE,

				timeout_ms, GFP_KERNEL,

				cma_query_handler, work, &id_priv->query);