IB/mlx4: Factor out setting WQE data segment entries

[linux-2.6-block.git] / drivers / infiniband / hw / mlx4 / qp.c

diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 8d09aa38fc83ec83778c8dc30b17c9ba3719ff96..a59c7f04ca1838fc86379f954aa7b36c4ba7ab83 100644 (file)
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1183,6 +1183,14 @@ static int mlx4_wq_overflow(struct mlx4_ib_wq *wq, int nreq, struct ib_cq *ib_cq
        return cur + nreq >= wq->max_post;
 }
 
+static void set_data_seg(struct mlx4_wqe_data_seg *dseg,
+                        struct ib_sge *sg)
+{
+       dseg->byte_count = cpu_to_be32(sg->length);
+       dseg->lkey       = cpu_to_be32(sg->lkey);
+       dseg->addr       = cpu_to_be64(sg->addr);
+}
+
 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
                      struct ib_send_wr **bad_wr)
 {
@@ -1313,12 +1321,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
                }
 
                for (i = 0; i < wr->num_sge; ++i) {
-                       ((struct mlx4_wqe_data_seg *) wqe)->byte_count =
-                               cpu_to_be32(wr->sg_list[i].length);
-                       ((struct mlx4_wqe_data_seg *) wqe)->lkey =
-                               cpu_to_be32(wr->sg_list[i].lkey);
-                       ((struct mlx4_wqe_data_seg *) wqe)->addr =
-                               cpu_to_be64(wr->sg_list[i].addr);
+                       set_data_seg(wqe, wr->sg_list + i);
 
                        wqe  += sizeof (struct mlx4_wqe_data_seg);
                        size += sizeof (struct mlx4_wqe_data_seg) / 16;