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