[bpf-next V2 PATCH 09/15] mlx5: register a memory model when XDP is enabled
flat view
STALE3139d
SUPERSEDED
From: Jesper Dangaard Brouer <hidden>
Date: 2018-03-08 13:08:31
Subsystem:
mellanox ethernet driver (mlx5e), mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Saeed Mahameed, Tariq Toukan, Mark Bloch, Leon Romanovsky, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Revision v2 of 11 in this series.
Revisions (11)
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 <redacted> --- 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 */ + 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);