netdev - [PATCH bpf-next 06/11] net: added netdevice operation for Tx

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Message-Id: <20180604120601.18123-7-bjorn.topel@gmail.com>
Date:   Mon,  4 Jun 2018 14:05:56 +0200
From:   Björn Töpel <bjorn.topel@...il.com>
To:     bjorn.topel@...il.com, magnus.karlsson@...el.com,
        magnus.karlsson@...il.com, alexander.h.duyck@...el.com,
        alexander.duyck@...il.com, ast@...com, brouer@...hat.com,
        daniel@...earbox.net, netdev@...r.kernel.org,
        mykyta.iziumtsev@...aro.org
Cc:     john.fastabend@...il.com, willemdebruijn.kernel@...il.com,
        mst@...hat.com, michael.lundkvist@...csson.com,
        jesse.brandeburg@...el.com, anjali.singhai@...el.com,
        qi.z.zhang@...el.com, francois.ozog@...aro.org,
        ilias.apalodimas@...aro.org, brian.brooks@...aro.org,
        andy@...yhouse.net, michael.chan@...adcom.com,
        intel-wired-lan@...ts.osuosl.org
Subject: [PATCH bpf-next 06/11] net: added netdevice operation for Tx

From: Magnus Karlsson <magnus.karlsson@...el.com>

Added ndo_xsk_async_xmit. This ndo "kicks" the netdev to start to pull
userland AF_XDP Tx frames from a NAPI context.

Signed-off-by: Magnus Karlsson <magnus.karlsson@...el.com>
---
 include/linux/netdevice.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 85d91cc41cdf..7ddf9c7ad6d7 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1391,6 +1391,8 @@ struct net_device_ops {
 						struct xdp_frame **xdp,
 						u32 flags);
 	void			(*ndo_xdp_flush)(struct net_device *dev);
+	int			(*ndo_xsk_async_xmit)(struct net_device *dev,
+						      u32 queue_id);
 };
 
 /**
-- 
2.14.1