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mlx5: register a memory model when XDP is enabled 

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>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesper Dangaard Brouer 2018-04-17 16:46:07 +02:00 committed by David S. Miller
parent b411ef1102
commit 84f5e3fb79
1 changed files with 8 additions and 0 deletions
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8
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
View File

@ -512,6 +512,14 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
rq->mkey_be = c->mkey_be;
}
/* This must only be activate for order-0 pages */
if (rq->xdp_prog) {
err = xdp_rxq_info_reg_mem_model(&rq->xdp_rxq,
MEM_TYPE_PAGE_ORDER0, NULL);
if (err)
goto err_rq_wq_destroy;
}
for (i = 0; i < wq_sz; i++) {
struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(&rq->wq, i);