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net/mlx4_en: Fix user prio field in XDP forward 

The user prio field is wrong (and overflows) in the XDP forward
flow.
This is a result of a bad value for num_tx_rings_p_up, which should
account all XDP TX rings, as they operate for the same user prio.

Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reported-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
zero-colors
Tariq Toukan 2016-12-22 14:32:58 +02:00 committed by David S. Miller
parent 693c56491f
commit eb9def61be
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
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@ -1638,7 +1638,8 @@ int mlx4_en_start_port(struct net_device *dev)
/* Configure tx cq's and rings */
for (t = 0 ; t < MLX4_EN_NUM_TX_TYPES; t++) {
u8 num_tx_rings_p_up = t == TX ? priv->num_tx_rings_p_up : 1;
u8 num_tx_rings_p_up = t == TX ?
priv->num_tx_rings_p_up : priv->tx_ring_num[t];
for (i = 0; i < priv->tx_ring_num[t]; i++) {
/* Configure cq */