[PATCH 02/14] mlx4_en: Setting actual RX ring size
From: Yevgeny Petrilin <hidden>
Date: 2010-08-24 13:45:24
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> --- drivers/net/mlx4/en_rx.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c
index 1ee4fd5..394da29 100644
--- a/drivers/net/mlx4/en_rx.c
+++ b/drivers/net/mlx4/en_rx.c@@ -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);
--
1.6.1.3