mlx4_en: Setting actual RX ring size
authorYevgeny Petrilin <yevgenyp@mellanox.co.il>
Tue, 24 Aug 2010 03:45:20 +0000 (03:45 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 24 Aug 2010 21:54:47 +0000 (14:54 -0700)
When configuring HW resources, the RX ring size that is passed should be the actual
size that depends on number of buffers that we succeeded to allocate.
The mask for ring size should also be configured accordingly

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/mlx4/en_rx.c

index 4335c58..7a5123c 100644 (file)
@@ -251,7 +251,6 @@ reduce_rings:
                        ring->prod--;
                        mlx4_en_free_rx_desc(priv, ring, ring->actual_size);
                }
-               ring->size_mask = ring->actual_size - 1;
        }
 
        return 0;
@@ -389,6 +388,7 @@ int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv)
        for (ring_ind = 0; ring_ind < priv->rx_ring_num; ring_ind++) {
                ring = &priv->rx_ring[ring_ind];
 
+               ring->size_mask = ring->actual_size - 1;
                mlx4_en_update_rx_prod_db(ring);
        }
 
@@ -816,7 +816,7 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, int qpn,
        qp->event = mlx4_en_sqp_event;
 
        memset(context, 0, sizeof *context);
-       mlx4_en_fill_qp_context(priv, ring->size, ring->stride, 0, 0,
+       mlx4_en_fill_qp_context(priv, ring->actual_size, ring->stride, 0, 0,
                                qpn, ring->cqn, context);
        context->db_rec_addr = cpu_to_be64(ring->wqres.db.dma);