1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * nexthops in net namespaces
4  */
5 
6 #ifndef __NETNS_NEXTHOP_H__
7 #define __NETNS_NEXTHOP_H__
8 
9 #include <linux/rbtree.h>
10 
11 struct netns_nexthop {
12 	struct rb_root		rb_root;	/* tree of nexthops by id */
13 	struct hlist_head	*devhash;	/* nexthops by device */
14 
15 	unsigned int		seq;		/* protected by rtnl_mutex */
16 	u32			last_id_allocated;
17 	struct blocking_notifier_head notifier_chain;
18 };
19 #endif
20