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-rw-r--r--include/rdma/rdmavt_qp.h24
1 files changed, 23 insertions, 1 deletions
diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h
index 04facda681e0..f3dbd157ae5c 100644
--- a/include/rdma/rdmavt_qp.h
+++ b/include/rdma/rdmavt_qp.h
@@ -582,7 +582,29 @@ static inline void rvt_qp_swqe_complete(
}
}
-extern const int ib_rvt_state_ops[];
+/**
+ * @qp - the qp pair
+ * @len - the length
+ *
+ * Perform a shift based mtu round up divide
+ */
+static inline u32 rvt_div_round_up_mtu(struct rvt_qp *qp, u32 len)
+{
+ return (len + qp->pmtu - 1) >> qp->log_pmtu;
+}
+
+/**
+ * @qp - the qp pair
+ * @len - the length
+ *
+ * Perform a shift based mtu divide
+ */
+static inline u32 rvt_div_mtu(struct rvt_qp *qp, u32 len)
+{
+ return len >> qp->log_pmtu;
+}
+
+extern const int ib_rvt_state_ops[];
struct rvt_dev_info;
int rvt_error_qp(struct rvt_qp *qp, enum ib_wc_status err);