64 	struct nexthop	*nh;  member
105 static inline bool nexthop_get(struct nexthop *nh)  in nexthop_get()  argument
107 	return refcount_inc_not_zero(&nh->refcnt);  in nexthop_get()
110 static inline void nexthop_put(struct nexthop *nh)  in nexthop_put()  argument
112 	if (refcount_dec_and_test(&nh->refcnt))  in nexthop_put()
113 		call_rcu(&nh->rcu, nexthop_free_rcu);  in nexthop_put()
122 static inline bool nexthop_is_multipath(const struct nexthop *nh)  in nexthop_is_multipath()  argument
124 	if (nh->is_group) {  in nexthop_is_multipath()
127 		nh_grp = rcu_dereference_rtnl(nh->nh_grp);  in nexthop_is_multipath()
133 struct nexthop *nexthop_select_path(struct nexthop *nh, int hash);
135 static inline unsigned int nexthop_num_path(const struct nexthop *nh)  in nexthop_num_path()  argument
139 	if (nexthop_is_multipath(nh)) {  in nexthop_num_path()
142 		nh_grp = rcu_dereference_rtnl(nh->nh_grp);  in nexthop_num_path()
150 struct nexthop *nexthop_mpath_select(const struct nexthop *nh, int nhsel)  in nexthop_mpath_select()  argument
152 	const struct nh_group *nhg = rcu_dereference_rtnl(nh->nh_grp);  in nexthop_mpath_select()
160 	return nhg->nh_entries[nhsel].nh;  in nexthop_mpath_select()
164 int nexthop_mpath_fill_node(struct sk_buff *skb, struct nexthop *nh,  in nexthop_mpath_fill_node()  argument
167 	struct nh_group *nhg = rtnl_dereference(nh->nh_grp);  in nexthop_mpath_fill_node()
171 		struct nexthop *nhe = nhg->nh_entries[i].nh;  in nexthop_mpath_fill_node()
184 static inline bool nexthop_is_blackhole(const struct nexthop *nh)  in nexthop_is_blackhole()  argument
188 	if (nexthop_is_multipath(nh)) {  in nexthop_is_blackhole()
189 		if (nexthop_num_path(nh) > 1)  in nexthop_is_blackhole()
191 		nh = nexthop_mpath_select(nh, 0);  in nexthop_is_blackhole()
192 		if (!nh)  in nexthop_is_blackhole()
196 	nhi = rcu_dereference_rtnl(nh->nh_info);  in nexthop_is_blackhole()
203 	struct nexthop *nh;  in nexthop_path_fib_result()  local
205 	nh = nexthop_select_path(res->fi->nh, hash);  in nexthop_path_fib_result()
206 	nhi = rcu_dereference(nh->nh_info);  in nexthop_path_fib_result()
212 struct fib_nh_common *nexthop_fib_nhc(struct nexthop *nh, int nhsel)  in nexthop_fib_nhc()  argument
219 	if (nexthop_is_multipath(nh)) {  in nexthop_fib_nhc()
220 		nh = nexthop_mpath_select(nh, nhsel);  in nexthop_fib_nhc()
221 		if (!nh)  in nexthop_fib_nhc()
225 	nhi = rcu_dereference_rtnl(nh->nh_info);  in nexthop_fib_nhc()
231 	if (unlikely(fi->nh))  in fib_info_num_path()
232 		return nexthop_num_path(fi->nh);  in fib_info_num_path()
237 int fib_check_nexthop(struct nexthop *nh, u8 scope,
242 	if (unlikely(fi->nh))  in fib_info_nhc()
243 		return nexthop_fib_nhc(fi->nh, nhsel);  in fib_info_nhc()
251 	WARN_ON(fi->nh);  in fib_info_nh()
259 int fib6_check_nexthop(struct nexthop *nh, struct fib6_config *cfg,
262 static inline struct fib6_nh *nexthop_fib6_nh(struct nexthop *nh)  in nexthop_fib6_nh()  argument
266 	if (nexthop_is_multipath(nh)) {  in nexthop_fib6_nh()
267 		nh = nexthop_mpath_select(nh, 0);  in nexthop_fib6_nh()
268 		if (!nh)  in nexthop_fib6_nh()
272 	nhi = rcu_dereference_rtnl(nh->nh_info);  in nexthop_fib6_nh()
283 	fib6_nh = f6i->nh ? nexthop_fib6_nh(f6i->nh) : f6i->fib6_nh;  in fib6_info_nh_dev()
289 	struct nexthop *nh = res->f6i->nh;  in nexthop_path_fib6_result()  local
292 	nh = nexthop_select_path(nh, hash);  in nexthop_path_fib6_result()
294 	nhi = rcu_dereference_rtnl(nh->nh_info);  in nexthop_path_fib6_result()
298 		res->nh = nexthop_fib6_nh(nh);  in nexthop_path_fib6_result()
300 		res->nh = &nhi->fib6_nh;  in nexthop_path_fib6_result()
304 int nexthop_for_each_fib6_nh(struct nexthop *nh,
305 			     int (*cb)(struct fib6_nh *nh, void *arg),