From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesper Dangaard Brouer Subject: [net-next V8 PATCH 10/16] mlx5: register a memory model when XDP is enabled Date: Sat, 31 Mar 2018 14:06:37 +0200 Message-ID: <152249799761.28297.9006051029822981410.stgit@firesoul> References: <152249785004.28297.14544687552072300815.stgit@firesoul> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: eugenia@mellanox.com, Jason Wang , John Fastabend , Eran Ben Elisha , Saeed Mahameed , galp@mellanox.com, Jesper Dangaard Brouer , Daniel Borkmann , Alexei Starovoitov , Tariq Toukan To: netdev@vger.kernel.org, =?utf-8?b?QmrDtnJu?= =?utf-8?b?VMO2cGVs?= , magnus.karlsson@intel.com Return-path: Received: from mx3-rdu2.redhat.com ([66.187.233.73]:40052 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753118AbeCaMGl (ORCPT ); Sat, 31 Mar 2018 08:06:41 -0400 In-Reply-To: <152249785004.28297.14544687552072300815.stgit@firesoul> Sender: netdev-owner@vger.kernel.org List-ID: 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 Reviewed-by: Tariq Toukan Acked-by: Saeed Mahameed --- 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 1b48dec67abf..16dddfa481af 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -510,6 +510,14 @@ 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);