MLX5_RX_HEADROOM 107 drivers/net/ethernet/mellanox/mlx5/core/en.h #define MLX5E_MIN_SKB_FRAG_SZ (MLX5_SKB_FRAG_SZ(MLX5_RX_HEADROOM)) MLX5_RX_HEADROOM 22 drivers/net/ethernet/mellanox/mlx5/core/en/params.c headroom += MLX5_RX_HEADROOM;