Re: [bpf-next V5 PATCH 09/15] mlx5: register a memory model when XDP is enabled

Sergei Shtylyov
2018-03-23T16:18:13Z

Hello!

On 03/23/2018 03:18 PM, Jesper Dangaard Brouer wrote:

> Now all the users of ndo_xdp_xmit have been converted to use xdp_return_frame.
> This enable a different memory model, thus activating another code path
> in the xdp_return_frame API.
>
> V2: Fixed issues pointed out by Tariq.
>
> Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
> Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
> ---
> drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
> index da94c8cba5ee..2e4ca0f15b62 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
> @@ -506,6 +506,14 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
> rq->mkey_be = c->mkey_be;
> }
>
> + /* This must only be activate for order-0 pages */

Activated?

[...]

MBR, Sergei