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-rw-r--r--drivers/infiniband/core/sa_query.c5
-rw-r--r--include/rdma/ib_verbs.h6
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 8e3bf6c8d3c3..d2214a55ac4a 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -885,6 +885,11 @@ static void update_sm_ah(struct work_struct *work)
ah_attr.dlid = port_attr.sm_lid;
ah_attr.sl = port_attr.sm_sl;
ah_attr.port_num = port->port_num;
+ if (port_attr.grh_required) {
+ ah_attr.ah_flags = IB_AH_GRH;
+ ah_attr.grh.dgid.global.subnet_prefix = cpu_to_be64(port_attr.subnet_prefix);
+ ah_attr.grh.dgid.global.interface_id = cpu_to_be64(IB_SA_WELL_KNOWN_GUID);
+ }
new_ah->ah = ib_create_ah(port->agent->qp->pd, &ah_attr);
if (IS_ERR(new_ah->ah)) {
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 7239b9a4499e..3a5a66b7a33f 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -97,6 +97,11 @@ enum rdma_node_type {
RDMA_NODE_USNIC_UDP,
};
+enum {
+ /* set the local administered indication */
+ IB_SA_WELL_KNOWN_GUID = BIT_ULL(57) | 2,
+};
+
enum rdma_transport_type {
RDMA_TRANSPORT_IB,
RDMA_TRANSPORT_IWARP,
@@ -510,6 +515,7 @@ struct ib_port_attr {
u8 active_width;
u8 active_speed;
u8 phys_state;
+ bool grh_required;
};
enum ib_device_modify_flags {