IB/hfi1: Mask upper 16Bits of Extended LID prior to rvt_cq_entry

Pass only the lower 16Bits of an Extended LIDs to rvt_cq_entry
to avoid triggering a WARN_ON_ONCE during conversion there.
These upper 16Bits are okay to drop as they are obtained elsewhere.

Fixes: 62ede777 ("Add OPA extended LID support")
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/hfi1/rc.c

@@ -2219,7 +2219,7 @@ void hfi1_rc_rcv(struct hfi1_packet *packet)
 			wc.opcode = IB_WC_RECV;
 		wc.qp = &qp->ibqp;
 		wc.src_qp = qp->remote_qpn;
-		wc.slid = rdma_ah_get_dlid(&qp->remote_ah_attr);
+		wc.slid = rdma_ah_get_dlid(&qp->remote_ah_attr) & U16_MAX;
 		/*
 		 * It seems that IB mandates the presence of an SL in a
 		 * work completion only for the UD transport (see section

drivers/infiniband/hw/hfi1/ruc.c

@@ -560,7 +560,7 @@ static void ruc_loopback(struct rvt_qp *sqp)
 	wc.byte_len = wqe->length;
 	wc.qp = &qp->ibqp;
 	wc.src_qp = qp->remote_qpn;
-	wc.slid = rdma_ah_get_dlid(&qp->remote_ah_attr);
+	wc.slid = rdma_ah_get_dlid(&qp->remote_ah_attr) & U16_MAX;
 	wc.sl = rdma_ah_get_sl(&qp->remote_ah_attr);
 	wc.port_num = 1;
 	/* Signal completion event if the solicited bit is set. */

drivers/infiniband/hw/hfi1/uc.c

@@ -462,7 +462,7 @@ void hfi1_uc_rcv(struct hfi1_packet *packet)
 		wc.status = IB_WC_SUCCESS;
 		wc.qp = &qp->ibqp;
 		wc.src_qp = qp->remote_qpn;
-		wc.slid = rdma_ah_get_dlid(&qp->remote_ah_attr);
+		wc.slid = rdma_ah_get_dlid(&qp->remote_ah_attr) & U16_MAX;
 		/*
 		 * It seems that IB mandates the presence of an SL in a
 		 * work completion only for the UD transport (see section

drivers/infiniband/hw/hfi1/ud.c

@@ -265,8 +265,8 @@ static void ud_loopback(struct rvt_qp *sqp, struct rvt_swqe *swqe)
 	} else {
 		wc.pkey_index = 0;
 	}
-	wc.slid = ppd->lid | (rdma_ah_get_path_bits(ah_attr) &
-				   ((1 << ppd->lmc) - 1));
+	wc.slid = (ppd->lid | (rdma_ah_get_path_bits(ah_attr) &
+				   ((1 << ppd->lmc) - 1))) & U16_MAX;
 	/* Check for loopback when the port lid is not set */
 	if (wc.slid == 0 && sqp->ibqp.qp_type == IB_QPT_GSI)
 		wc.slid = be16_to_cpu(IB_LID_PERMISSIVE);
@@ -1037,7 +1037,7 @@ void hfi1_ud_rcv(struct hfi1_packet *packet)
 	}
 	if (slid_is_permissive)
 		slid = be32_to_cpu(OPA_LID_PERMISSIVE);
-	wc.slid = slid;
+	wc.slid = slid & U16_MAX;
 	wc.sl = sl_from_sc;
 
 	/*