net/mlx4: introducing consumer index mask

[dpdk.git] / drivers / net / mlx4 / mlx4_prm.h

diff --git a/drivers/net/mlx4/mlx4_prm.h b/drivers/net/mlx4/mlx4_prm.h
index 3a77502..bd9a574 100644 (file)
--- a/drivers/net/mlx4/mlx4_prm.h
+++ b/drivers/net/mlx4/mlx4_prm.h
@@ -93,6 +93,9 @@ struct mlx4_sq {
 
 #define mlx4_get_send_wqe(sq, n) ((sq)->buf + ((n) * (MLX4_TXBB_SIZE)))
 
+/* Completion queue consumer index mask. */
+#define MLX4_CQ_DB_CI_MASK 0xffffff
+
 /* Completion queue information. */
 struct mlx4_cq {
        uint8_t *buf; /**< Pointer to the completion queue buffer. */