[net-next 03/13] net/mlx5e: Gather all XDP pre-requisite checks in a single function

[Saeed Mahameed]

From: Tariq Toukan <tar...@mellanox.com>

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 <tar...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
 .../net/ethernet/mellanox/mlx5/core/en_main.c | 33 ++++++++++++-------
 1 file 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);
-- 
2.17.0