diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index 44cf16d01f42..bdda17d2ea0f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -1112,7 +1112,7 @@ static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev) { struct mlx4_en_priv *priv = netdev_priv(dev); - return priv->rx_ring_num; + return rounddown_pow_of_two(priv->rx_ring_num); } static u32 mlx4_en_get_rxfh_key_size(struct net_device *netdev) @@ -1146,19 +1146,17 @@ static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key, u8 *hfunc) { struct mlx4_en_priv *priv = netdev_priv(dev); - struct mlx4_en_rss_map *rss_map = &priv->rss_map; - int rss_rings; - size_t n = priv->rx_ring_num; + u32 n = mlx4_en_get_rxfh_indir_size(dev); + u32 i, rss_rings; int err = 0; - rss_rings = priv->prof->rss_rings ?: priv->rx_ring_num; - rss_rings = 1 << ilog2(rss_rings); + rss_rings = priv->prof->rss_rings ?: n; + rss_rings = rounddown_pow_of_two(rss_rings); - while (n--) { + for (i = 0; i < n; i++) { if (!ring_index) break; - ring_index[n] = rss_map->qps[n % rss_rings].qpn - - rss_map->base_qpn; + ring_index[i] = i % rss_rings; } if (key) memcpy(key, priv->rss_key, MLX4_EN_RSS_KEY_SIZE); @@ -1171,6 +1169,7 @@ static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index, const u8 *key, const u8 hfunc) { struct mlx4_en_priv *priv = netdev_priv(dev); + u32 n = mlx4_en_get_rxfh_indir_size(dev); struct mlx4_en_dev *mdev = priv->mdev; int port_up = 0; int err = 0; @@ -1180,18 +1179,18 @@ static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index, /* Calculate RSS table size and make sure flows are spread evenly * between rings */ - for (i = 0; i < priv->rx_ring_num; i++) { + for (i = 0; i < n; i++) { if (!ring_index) - continue; + break; if (i > 0 && !ring_index[i] && !rss_rings) rss_rings = i; - if (ring_index[i] != (i % (rss_rings ?: priv->rx_ring_num))) + if (ring_index[i] != (i % (rss_rings ?: n))) return -EINVAL; } if (!rss_rings) - rss_rings = priv->rx_ring_num; + rss_rings = n; /* RSS table size must be an order of 2 */ if (!is_power_of_2(rss_rings)) @@ -1730,6 +1729,12 @@ static int mlx4_en_set_channels(struct net_device *dev, !channel->tx_count || !channel->rx_count) return -EINVAL; + if (channel->tx_count * MLX4_EN_NUM_UP <= priv->xdp_ring_num) { + en_err(priv, "Minimum %d tx channels required with XDP on\n", + priv->xdp_ring_num / MLX4_EN_NUM_UP + 1); + return -EINVAL; + } + tmp = kzalloc(sizeof(*tmp), GFP_KERNEL); if (!tmp) return -ENOMEM; @@ -1751,7 +1756,8 @@ static int mlx4_en_set_channels(struct net_device *dev, mlx4_en_safe_replace_resources(priv, tmp); - netif_set_real_num_tx_queues(dev, priv->tx_ring_num); + netif_set_real_num_tx_queues(dev, priv->tx_ring_num - + priv->xdp_ring_num); netif_set_real_num_rx_queues(dev, priv->rx_ring_num); if (dev->num_tc) |