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| author | Tariq Toukan <tariqt@mellanox.com> | 2016-12-22 14:32:58 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-12-23 17:53:47 -0500 |
| commit | eb9def61be7197669cab51f43789b53aa7a69509 (patch) | |
| tree | 848c3bcb653e0b5ccc7a845228b87b6bb770ee9f | |
| parent | 693c56491fb720087437a635e6eaf440659b922f (diff) | |
| download | linux-eb9def61be7197669cab51f43789b53aa7a69509.tar.gz linux-eb9def61be7197669cab51f43789b53aa7a69509.tar.bz2 linux-eb9def61be7197669cab51f43789b53aa7a69509.zip | |
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>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index bcd955339058..edbe200ac2fa 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -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 */ |