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authorBjörn Töpel <bjorn.topel@intel.com>2019-01-24 19:59:37 +0100
committerDaniel Borkmann <daniel@iogearbox.net>2019-01-25 01:50:03 +0100
commit1d0dc06930a917eaca4156193c6c49f798b95ce7 (patch)
tree135d2cef69bf73b12ed394b63a0a57fa8929b3c8 /include
parent2f0921262ba943fe9d9f59037a033927d8c4789b (diff)
downloadlinux-1d0dc06930a917eaca4156193c6c49f798b95ce7.tar.bz2
net: xsk: track AF_XDP sockets on a per-netns list
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>
Diffstat (limited to 'include')
-rw-r--r--include/net/net_namespace.h4
-rw-r--r--include/net/netns/xdp.h13
2 files changed, 17 insertions, 0 deletions
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 99d4148e0f90..a68ced28d8f4 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -31,6 +31,7 @@
#include <net/netns/xfrm.h>
#include <net/netns/mpls.h>
#include <net/netns/can.h>
+#include <net/netns/xdp.h>
#include <linux/ns_common.h>
#include <linux/idr.h>
#include <linux/skbuff.h>
@@ -161,6 +162,9 @@ struct net {
#if IS_ENABLED(CONFIG_CAN)
struct netns_can can;
#endif
+#ifdef CONFIG_XDP_SOCKETS
+ struct netns_xdp xdp;
+#endif
struct sock *diag_nlsk;
atomic_t fnhe_genid;
} __randomize_layout;
diff --git a/include/net/netns/xdp.h b/include/net/netns/xdp.h
new file mode 100644
index 000000000000..e5734261ba0a
--- /dev/null
+++ b/include/net/netns/xdp.h
@@ -0,0 +1,13 @@
+/* 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__ */