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net: xsk: track AF_XDP sockets on a per-netns list

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Track each AF_XDP socket in a per-netns list. This will be used later
by the sock_diag interface for querying sockets from userspace.

Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Björn Töpel 2019-01-24 19:59:37 +01:00 • committed by Daniel Borkmann
parent 2f0921262b
commit 1d0dc06930
3 changed files with 47 additions and 0 deletions
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13
include/net/netns/xdp.h Normal file
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NETNS_XDP_H__
#define __NETNS_XDP_H__
#include <linux/rculist.h>
#include <linux/mutex.h>
struct netns_xdp {
struct mutex lock;
struct hlist_head list;
};
#endif /* __NETNS_XDP_H__ */