108 u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old);
118 static inline bool dst_metrics_read_only(const struct dst_entry *dst)  in dst_metrics_read_only()  argument
120 	return dst->_metrics & DST_METRICS_READ_ONLY;  in dst_metrics_read_only()
123 static inline void dst_metrics_set_force_overwrite(struct dst_entry *dst)  in dst_metrics_set_force_overwrite()  argument
125 	dst->_metrics |= DST_METRICS_FORCE_OVERWRITE;  in dst_metrics_set_force_overwrite()
128 void __dst_destroy_metrics_generic(struct dst_entry *dst, unsigned long old);
130 static inline void dst_destroy_metrics_generic(struct dst_entry *dst)  in dst_destroy_metrics_generic()  argument
132 	unsigned long val = dst->_metrics;  in dst_destroy_metrics_generic()
134 		__dst_destroy_metrics_generic(dst, val);  in dst_destroy_metrics_generic()
137 static inline u32 *dst_metrics_write_ptr(struct dst_entry *dst)  in dst_metrics_write_ptr()  argument
139 	unsigned long p = dst->_metrics;  in dst_metrics_write_ptr()
144 		return dst->ops->cow_metrics(dst, p);  in dst_metrics_write_ptr()
151 static inline void dst_init_metrics(struct dst_entry *dst,  in dst_init_metrics()  argument
155 	dst->_metrics = ((unsigned long) src_metrics) |  in dst_init_metrics()
170 static inline u32 *dst_metrics_ptr(struct dst_entry *dst)  in dst_metrics_ptr()  argument
172 	return DST_METRICS_PTR(dst);  in dst_metrics_ptr()
176 dst_metric_raw(const struct dst_entry *dst, const int metric)  in dst_metric_raw()  argument
178 	u32 *p = DST_METRICS_PTR(dst);  in dst_metric_raw()
184 dst_metric(const struct dst_entry *dst, const int metric)  in dst_metric()  argument
189 	return dst_metric_raw(dst, metric);  in dst_metric()
193 dst_metric_advmss(const struct dst_entry *dst)  in dst_metric_advmss()  argument
195 	u32 advmss = dst_metric_raw(dst, RTAX_ADVMSS);  in dst_metric_advmss()
198 		advmss = dst->ops->default_advmss(dst);  in dst_metric_advmss()
203 static inline void dst_metric_set(struct dst_entry *dst, int metric, u32 val)  in dst_metric_set()  argument
205 	u32 *p = dst_metrics_write_ptr(dst);  in dst_metric_set()
212 dst_feature(const struct dst_entry *dst, u32 feature)  in dst_feature()  argument
214 	return dst_metric(dst, RTAX_FEATURES) & feature;  in dst_feature()
217 static inline u32 dst_mtu(const struct dst_entry *dst)  in dst_mtu()  argument
219 	return dst->ops->mtu(dst);  in dst_mtu()
223 static inline unsigned long dst_metric_rtt(const struct dst_entry *dst, int metric)  in dst_metric_rtt()  argument
225 	return msecs_to_jiffies(dst_metric(dst, metric));  in dst_metric_rtt()
229 dst_allfrag(const struct dst_entry *dst)  in dst_allfrag()  argument
231 	int ret = dst_feature(dst,  RTAX_FEATURE_ALLFRAG);  in dst_allfrag()
236 dst_metric_locked(const struct dst_entry *dst, int metric)  in dst_metric_locked()  argument
238 	return dst_metric(dst, RTAX_LOCK) & (1<<metric);  in dst_metric_locked()
241 static inline void dst_hold(struct dst_entry *dst)  in dst_hold()  argument
248 	atomic_inc(&dst->__refcnt);  in dst_hold()
251 static inline void dst_use(struct dst_entry *dst, unsigned long time)  in dst_use()  argument
253 	dst_hold(dst);  in dst_use()
254 	dst->__use++;  in dst_use()
255 	dst->lastuse = time;  in dst_use()
258 static inline void dst_use_noref(struct dst_entry *dst, unsigned long time)  in dst_use_noref()  argument
260 	dst->__use++;  in dst_use_noref()
261 	dst->lastuse = time;  in dst_use_noref()
264 static inline struct dst_entry *dst_clone(struct dst_entry *dst)  in dst_clone()  argument
266 	if (dst)  in dst_clone()
267 		atomic_inc(&dst->__refcnt);  in dst_clone()
268 	return dst;  in dst_clone()
271 void dst_release(struct dst_entry *dst);
322 static inline bool dst_hold_safe(struct dst_entry *dst)  in dst_hold_safe()  argument
324 	if (dst->flags & DST_NOCACHE)  in dst_hold_safe()
325 		return atomic_inc_not_zero(&dst->__refcnt);  in dst_hold_safe()
326 	dst_hold(dst);  in dst_hold_safe()
339 		struct dst_entry *dst = skb_dst(skb);  in skb_dst_force_safe()  local
341 		if (!dst_hold_safe(dst))  in skb_dst_force_safe()
342 			dst = NULL;  in skb_dst_force_safe()
344 		skb->_skb_refdst = (unsigned long)dst;  in skb_dst_force_safe()
410 void __dst_free(struct dst_entry *dst);
411 struct dst_entry *dst_destroy(struct dst_entry *dst);
413 static inline void dst_free(struct dst_entry *dst)  in dst_free()  argument
415 	if (dst->obsolete > 0)  in dst_free()
417 	if (!atomic_read(&dst->__refcnt)) {  in dst_free()
418 		dst = dst_destroy(dst);  in dst_free()
419 		if (!dst)  in dst_free()
422 	__dst_free(dst);  in dst_free()
427 	struct dst_entry *dst = container_of(head, struct dst_entry, rcu_head);  in dst_rcu_free()  local
428 	dst_free(dst);  in dst_rcu_free()
431 static inline void dst_confirm(struct dst_entry *dst)  in dst_confirm()  argument
433 	dst->pending_confirm = 1;  in dst_confirm()
436 static inline int dst_neigh_output(struct dst_entry *dst, struct neighbour *n,  in dst_neigh_output()  argument
441 	if (dst->pending_confirm) {  in dst_neigh_output()
444 		dst->pending_confirm = 0;  in dst_neigh_output()
457 static inline struct neighbour *dst_neigh_lookup(const struct dst_entry *dst, const void *daddr)  in dst_neigh_lookup()  argument
459 	struct neighbour *n = dst->ops->neigh_lookup(dst, NULL, daddr);  in dst_neigh_lookup()
463 static inline struct neighbour *dst_neigh_lookup_skb(const struct dst_entry *dst,  in dst_neigh_lookup_skb()  argument
466 	struct neighbour *n =  dst->ops->neigh_lookup(dst, skb, NULL);  in dst_neigh_lookup_skb()
472 	struct dst_entry *dst = skb_dst(skb);  in dst_link_failure()  local
473 	if (dst && dst->ops && dst->ops->link_failure)  in dst_link_failure()
474 		dst->ops->link_failure(skb);  in dst_link_failure()
477 static inline void dst_set_expires(struct dst_entry *dst, int timeout)  in dst_set_expires()  argument
484 	if (dst->expires == 0 || time_before(expires, dst->expires))  in dst_set_expires()
485 		dst->expires = expires;  in dst_set_expires()
504 static inline struct dst_entry *dst_check(struct dst_entry *dst, u32 cookie)  in dst_check()  argument
506 	if (dst->obsolete)  in dst_check()
507 		dst = dst->ops->check(dst, cookie);  in dst_check()
508 	return dst;  in dst_check()
539 static inline struct xfrm_state *dst_xfrm(const struct dst_entry *dst)  in dst_xfrm()  argument
554 static inline struct xfrm_state *dst_xfrm(const struct dst_entry *dst)  in dst_xfrm()  argument
556 	return dst->xfrm;  in dst_xfrm()