1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* 2 /*
3 * nexthops in net namespaces 3 * nexthops in net namespaces
4 */ 4 */
5 5
6 #ifndef __NETNS_NEXTHOP_H__ 6 #ifndef __NETNS_NEXTHOP_H__
7 #define __NETNS_NEXTHOP_H__ 7 #define __NETNS_NEXTHOP_H__
8 8
9 #include <linux/notifier.h> 9 #include <linux/notifier.h>
10 #include <linux/rbtree.h> 10 #include <linux/rbtree.h>
11 11
12 struct netns_nexthop { 12 struct netns_nexthop {
13 struct rb_root rb_root; 13 struct rb_root rb_root; /* tree of nexthops by id */
14 struct hlist_head *devhash; 14 struct hlist_head *devhash; /* nexthops by device */
15 15
16 unsigned int seq; 16 unsigned int seq; /* protected by rtnl_mutex */
17 u32 last_id_alloca 17 u32 last_id_allocated;
18 struct blocking_notifier_head notifier 18 struct blocking_notifier_head notifier_chain;
19 }; 19 };
20 #endif 20 #endif
21 21
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