From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= Subject: [RFC PATCH bpf-next 07/12] net: added netdevice operation for Tx Date: Tue, 15 May 2018 21:06:10 +0200 Message-ID: <20180515190615.23099-8-bjorn.topel@gmail.com> References: <20180515190615.23099-1-bjorn.topel@gmail.com> Cc: michael.lundkvist@ericsson.com, jesse.brandeburg@intel.com, anjali.singhai@intel.com, qi.z.zhang@intel.com, intel-wired-lan@lists.osuosl.org To: bjorn.topel@gmail.com, magnus.karlsson@gmail.com, magnus.karlsson@intel.com, alexander.h.duyck@intel.com, alexander.duyck@gmail.com, john.fastabend@gmail.com, ast@fb.com, brouer@redhat.com, willemdebruijn.kernel@gmail.com, daniel@iogearbox.net, mst@redhat.com, netdev@vger.kernel.org Return-path: Received: from mga12.intel.com ([192.55.52.136]:46728 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752257AbeEOTHN (ORCPT ); Tue, 15 May 2018 15:07:13 -0400 In-Reply-To: <20180515190615.23099-1-bjorn.topel@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Magnus Karlsson Added ndo_xsk_async_xmit. This ndo "kicks" the netdev to start pull userland Tx frames from a NAPI context. Signed-off-by: Magnus Karlsson --- include/linux/netdevice.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 2084536ad4af..8f4292dc6670 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1385,6 +1385,12 @@ struct net_device_ops { int (*ndo_xdp_xmit)(struct net_device *dev, struct xdp_frame *xdp); void (*ndo_xdp_flush)(struct net_device *dev); + /* AF_XDP Tx function. NB! That in the PoC we take ownership + * of the XDP Tx rings, so you wont be able to XDP_REDIRECT + * there... + */ + int (*ndo_xsk_async_xmit)(struct net_device *dev, + u32 queue_id); }; /** -- 2.14.1