diff options
author | Tariq Toukan <tariqt@mellanox.com> | 2018-03-12 19:26:51 +0300 |
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committer | Saeed Mahameed <saeedm@mellanox.com> | 2018-07-27 01:23:52 +0300 |
commit | 0ec13877ce95c00737ff4f71a96cd90533b12b48 (patch) | |
tree | ec707367137356d4b9ab8df356aab29c42903c19 /drivers | |
parent | cb5189d173097af805ff74c88191aba25fc60a55 (diff) | |
download | linux-0ec13877ce95c00737ff4f71a96cd90533b12b48.tar.xz |
net/mlx5e: Gather all XDP pre-requisite checks in a single function
Dedicate a function to all checks done when setting an XDP program.
Take indications from priv instead of netdev features.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index c214b23e14ba..a1a54ea3aeb4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -4094,26 +4094,37 @@ static void mlx5e_tx_timeout(struct net_device *dev) queue_work(priv->wq, &priv->tx_timeout_work); } +static int mlx5e_xdp_allowed(struct mlx5e_priv *priv) +{ + struct net_device *netdev = priv->netdev; + + if (priv->channels.params.lro_en) { + netdev_warn(netdev, "can't set XDP while LRO is on, disable LRO first\n"); + return -EINVAL; + } + + if (MLX5_IPSEC_DEV(priv->mdev)) { + netdev_warn(netdev, "can't set XDP with IPSec offload\n"); + return -EINVAL; + } + + return 0; +} + static int mlx5e_xdp_set(struct net_device *netdev, struct bpf_prog *prog) { struct mlx5e_priv *priv = netdev_priv(netdev); struct bpf_prog *old_prog; - int err = 0; bool reset, was_opened; + int err; int i; mutex_lock(&priv->state_lock); - if ((netdev->features & NETIF_F_LRO) && prog) { - netdev_warn(netdev, "can't set XDP while LRO is on, disable LRO first\n"); - err = -EINVAL; - goto unlock; - } - - if ((netdev->features & NETIF_F_HW_ESP) && prog) { - netdev_warn(netdev, "can't set XDP with IPSec offload\n"); - err = -EINVAL; - goto unlock; + if (prog) { + err = mlx5e_xdp_allowed(priv); + if (err) + goto unlock; } was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |