From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesper Dangaard Brouer Subject: Re: [net-next 10/13] net/mlx5e: Add support for XDP_REDIRECT in device-out side Date: Mon, 30 Jul 2018 15:06:37 +0200 Message-ID: <20180730150637.0336d65b@redhat.com> References: <20180726225647.11926-1-saeedm@mellanox.com> <20180726225647.11926-11-saeedm@mellanox.com> <20180730141021.78b8260f@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: "David S. Miller" , netdev@vger.kernel.org, Tariq Toukan , Eugenia Emantayev , brouer@redhat.com To: Saeed Mahameed Return-path: Received: from mx3-rdu2.redhat.com ([66.187.233.73]:54470 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726548AbeG3Oli (ORCPT ); Mon, 30 Jul 2018 10:41:38 -0400 In-Reply-To: <20180730141021.78b8260f@redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, 30 Jul 2018 14:10:21 +0200 Jesper Dangaard Brouer wrote: > On Thu, 26 Jul 2018 15:56:44 -0700 Saeed Mahameed wrote: > > > +int mlx5e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, > > + u32 flags) > > +{ [...] > > + xdpi.dma_addr = dma_map_single(sq->pdev, xdpf->data, xdpf->len, > > + DMA_TO_DEVICE); > > + if (unlikely(dma_mapping_error(sq->pdev, xdpi.dma_addr))) { > > + drops++; > > I think you are missing a xdp_return_frame_rx_napi(xdpf) here. I see it already got applied... I'll send a fixup later... -- Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer