diff --git a/drivers/net/mlx4/en_main.c b/drivers/net/mlx4/en_main.c
index 9ed4a158f895cedaf7e4fc441e7361944523d117..507e11fce9ed7f202e9d6aa59e3135326d6aa94d 100644
--- a/drivers/net/mlx4/en_main.c
+++ b/drivers/net/mlx4/en_main.c
@@ -218,8 +218,9 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) {
mlx4_info(mdev, "Using %d tx rings for port:%d\n",
mdev->profile.prof[i].tx_ring_num, i);
- mdev->profile.prof[i].rx_ring_num =
- min_t(int, dev->caps.num_comp_vectors, MAX_RX_RINGS);
+ mdev->profile.prof[i].rx_ring_num = min_t(int,
+ roundup_pow_of_two(dev->caps.num_comp_vectors),
+ MAX_RX_RINGS);
mlx4_info(mdev, "Defaulting to %d rx rings for port:%d\n",
mdev->profile.prof[i].rx_ring_num, i);
}
diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c
index c8a24dcca7621112c460d019f67c5c90de7c6d00..f8bbc5a39e1597e915d68361867c92d781dfe632 100644
--- a/drivers/net/mlx4/en_netdev.c
+++ b/drivers/net/mlx4/en_netdev.c
@@ -1011,9 +1011,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
if (err)
goto out;
- /* Populate Rx default RSS mappings */
- mlx4_en_set_default_rss_map(priv, &priv->rss_map, priv->rx_ring_num *
- RSS_FACTOR, priv->rx_ring_num);
/* Allocate page for receive rings */
err = mlx4_alloc_hwq_res(mdev->dev, &priv->res,
MLX4_EN_PAGE_SIZE, MLX4_EN_PAGE_SIZE);
diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c
index 91bdfdfd431f214665e3b66c6c9028de3f64ff04..47b178e2b49e18ec06d31f57041a9e840871ff01 100644
--- a/drivers/net/mlx4/en_rx.c
+++ b/drivers/net/mlx4/en_rx.c
@@ -835,23 +835,6 @@ void mlx4_en_calc_rx_buf(struct net_device *dev)
/* RSS related functions */
-/* Calculate rss size and map each entry in rss table to rx ring */
-void mlx4_en_set_default_rss_map(struct mlx4_en_priv *priv,
- struct mlx4_en_rss_map *rss_map,
- int num_entries, int num_rings)
-{
- int i;
-
- rss_map->size = roundup_pow_of_two(num_entries);
- en_dbg(DRV, priv, "Setting default RSS map of %d entires\n",
- rss_map->size);
-
- for (i = 0; i < rss_map->size; i++) {
- rss_map->map[i] = i % num_rings;
- en_dbg(DRV, priv, "Entry %d ---> ring %d\n", i, rss_map->map[i]);
- }
-}
-
static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv,
int qpn, int srqn, int cqn,
enum mlx4_qp_state *state,
@@ -902,16 +885,17 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
int good_qps = 0;
en_dbg(DRV, priv, "Configuring rss steering\n");
- err = mlx4_qp_reserve_range(mdev->dev, rss_map->size,
- rss_map->size, &rss_map->base_qpn);
+ err = mlx4_qp_reserve_range(mdev->dev, priv->rx_ring_num,
+ priv->rx_ring_num,
+ &rss_map->base_qpn);
if (err) {
- en_err(priv, "Failed reserving %d qps\n", rss_map->size);
+ en_err(priv, "Failed reserving %d qps\n", priv->rx_ring_num);
return err;
}
- for (i = 0; i < rss_map->size; i++) {
- cqn = priv->rx_ring[rss_map->map[i]].cqn;
- srqn = priv->rx_ring[rss_map->map[i]].srq.srqn;
+ for (i = 0; i < priv->rx_ring_num; i++) {
+ cqn = priv->rx_ring[i].cqn;
+ srqn = priv->rx_ring[i].srq.srqn;
qpn = rss_map->base_qpn + i;
err = mlx4_en_config_rss_qp(priv, qpn, srqn, cqn,
&rss_map->state[i],
@@ -940,7 +924,7 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
ptr = ((void *) &context) + 0x3c;
rss_context = (struct mlx4_en_rss_context *) ptr;
- rss_context->base_qpn = cpu_to_be32(ilog2(rss_map->size) << 24 |
+ rss_context->base_qpn = cpu_to_be32(ilog2(priv->rx_ring_num) << 24 |
(rss_map->base_qpn));
rss_context->default_qpn = cpu_to_be32(rss_map->base_qpn);
rss_context->hash_fn = rss_xor & 0x3;
@@ -967,7 +951,7 @@ rss_err:
mlx4_qp_remove(mdev->dev, &rss_map->qps[i]);
mlx4_qp_free(mdev->dev, &rss_map->qps[i]);
}
- mlx4_qp_release_range(mdev->dev, rss_map->base_qpn, rss_map->size);
+ mlx4_qp_release_range(mdev->dev, rss_map->base_qpn, priv->rx_ring_num);
return err;
}
@@ -983,13 +967,13 @@ void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv)
mlx4_qp_free(mdev->dev, &rss_map->indir_qp);
mlx4_qp_release_range(mdev->dev, priv->base_qpn, 1);
- for (i = 0; i < rss_map->size; i++) {
+ for (i = 0; i < priv->rx_ring_num; i++) {
mlx4_qp_modify(mdev->dev, NULL, rss_map->state[i],
MLX4_QP_STATE_RST, NULL, 0, 0, &rss_map->qps[i]);
mlx4_qp_remove(mdev->dev, &rss_map->qps[i]);
mlx4_qp_free(mdev->dev, &rss_map->qps[i]);
}
- mlx4_qp_release_range(mdev->dev, rss_map->base_qpn, rss_map->size);
+ mlx4_qp_release_range(mdev->dev, rss_map->base_qpn, priv->rx_ring_num);
}
diff --git a/drivers/net/mlx4/mlx4_en.h b/drivers/net/mlx4/mlx4_en.h
index c7c5e86804ff9878e80654c1e0b98c56f059f2bb..2d76ff4c564bece3f82c5a58e0a68dae53acc1bb 100644
--- a/drivers/net/mlx4/mlx4_en.h
+++ b/drivers/net/mlx4/mlx4_en.h
@@ -95,8 +95,6 @@
#define MLX4_EN_PAGE_SIZE (1 << MLX4_EN_PAGE_SHIFT)
#define MAX_TX_RINGS 16
#define MAX_RX_RINGS 16
-#define MAX_RSS_MAP_SIZE 64
-#define RSS_FACTOR 2
#define TXBB_SIZE 64
#define HEADROOM (2048 / TXBB_SIZE + 1)
#define STAMP_STRIDE 64
@@ -377,11 +375,9 @@ struct mlx4_en_dev {
struct mlx4_en_rss_map {
- int size;
int base_qpn;
- u16 map[MAX_RSS_MAP_SIZE];
- struct mlx4_qp qps[MAX_RSS_MAP_SIZE];
- enum mlx4_qp_state state[MAX_RSS_MAP_SIZE];
+ struct mlx4_qp qps[MAX_RX_RINGS];
+ enum mlx4_qp_state state[MAX_RX_RINGS];
struct mlx4_qp indir_qp;
enum mlx4_qp_state indir_state;
};
@@ -555,9 +551,6 @@ int mlx4_en_map_buffer(struct mlx4_buf *buf);
void mlx4_en_unmap_buffer(struct mlx4_buf *buf);
void mlx4_en_calc_rx_buf(struct net_device *dev);
-void mlx4_en_set_default_rss_map(struct mlx4_en_priv *priv,
- struct mlx4_en_rss_map *rss_map,
- int num_entries, int num_rings);
int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv);
void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv);
int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring);