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net/mlx4_core: Get num_tc using netdev_get_num_tc 

Avoid reading num_tc directly from struct net_device, but use
the helper function netdev_get_num_tc.

Fixes: bc6a4744b8 ("net/mlx4_en: num cores tx rings for every UP")
Fixes: f5b6345ba8 ("net/mlx4_en: User prio mapping gets corrupted when changing number of channels")
Signed-off-by: Alaa Hleihel <alaa@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alaa Hleihel 2017-01-29 18:56:16 +02:00 committed by David S. Miller
parent ae5a2e29d1
commit 4b5e5b7ece
2 changed files with 2 additions and 2 deletions
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2
drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
View File

@ -1788,7 +1788,7 @@ static int mlx4_en_set_channels(struct net_device *dev,
netif_set_real_num_tx_queues(dev, priv->tx_ring_num[TX]);
netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
if (dev->num_tc)
if (netdev_get_num_tc(dev))
mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num[TX]);

2
drivers/net/ethernet/mellanox/mlx4/en_tx.c
View File

@ -710,7 +710,7 @@ u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb,
u16 rings_p_up = priv->num_tx_rings_p_up;
u8 up = 0;
if (dev->num_tc)
if (netdev_get_num_tc(dev))
return skb_tx_hash(dev, skb);
if (skb_vlan_tag_present(skb))