88 u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old);
97 static inline bool dst_metrics_read_only(const struct dst_entry *dst)  in dst_metrics_read_only()  argument
99 	return dst->_metrics & DST_METRICS_READ_ONLY;  in dst_metrics_read_only()
102 void __dst_destroy_metrics_generic(struct dst_entry *dst, unsigned long old);
104 static inline void dst_destroy_metrics_generic(struct dst_entry *dst)  in dst_destroy_metrics_generic()  argument
106 	unsigned long val = dst->_metrics;  in dst_destroy_metrics_generic()
108 		__dst_destroy_metrics_generic(dst, val);  in dst_destroy_metrics_generic()
111 static inline u32 *dst_metrics_write_ptr(struct dst_entry *dst)  in dst_metrics_write_ptr()  argument
113 	unsigned long p = dst->_metrics;  in dst_metrics_write_ptr()
118 		return dst->ops->cow_metrics(dst, p);  in dst_metrics_write_ptr()
125 static inline void dst_init_metrics(struct dst_entry *dst,  in dst_init_metrics()  argument
129 	dst->_metrics = ((unsigned long) src_metrics) |  in dst_init_metrics()
144 static inline u32 *dst_metrics_ptr(struct dst_entry *dst)  in dst_metrics_ptr()  argument
146 	return DST_METRICS_PTR(dst);  in dst_metrics_ptr()
150 dst_metric_raw(const struct dst_entry *dst, const int metric)  in dst_metric_raw()  argument
152 	u32 *p = DST_METRICS_PTR(dst);  in dst_metric_raw()
158 dst_metric(const struct dst_entry *dst, const int metric)  in dst_metric()  argument
163 	return dst_metric_raw(dst, metric);  in dst_metric()
167 dst_metric_advmss(const struct dst_entry *dst)  in dst_metric_advmss()  argument
169 	u32 advmss = dst_metric_raw(dst, RTAX_ADVMSS);  in dst_metric_advmss()
172 		advmss = dst->ops->default_advmss(dst);  in dst_metric_advmss()
177 static inline void dst_metric_set(struct dst_entry *dst, int metric, u32 val)  in dst_metric_set()  argument
179 	u32 *p = dst_metrics_write_ptr(dst);  in dst_metric_set()
192 dst_feature(const struct dst_entry *dst, u32 feature)  in dst_feature()  argument
194 	return dst_metric(dst, RTAX_FEATURES) & feature;  in dst_feature()
197 static inline u32 dst_mtu(const struct dst_entry *dst)  in dst_mtu()  argument
199 	return dst->ops->mtu(dst);  in dst_mtu()
203 static inline unsigned long dst_metric_rtt(const struct dst_entry *dst, int metric)  in dst_metric_rtt()  argument
205 	return msecs_to_jiffies(dst_metric(dst, metric));  in dst_metric_rtt()
209 dst_allfrag(const struct dst_entry *dst)  in dst_allfrag()  argument
211 	int ret = dst_feature(dst,  RTAX_FEATURE_ALLFRAG);  in dst_allfrag()
216 dst_metric_locked(const struct dst_entry *dst, int metric)  in dst_metric_locked()  argument
218 	return dst_metric(dst, RTAX_LOCK) & (1<<metric);  in dst_metric_locked()
221 static inline void dst_hold(struct dst_entry *dst)  in dst_hold()  argument
228 	WARN_ON(atomic_inc_not_zero(&dst->__refcnt) == 0);  in dst_hold()
231 static inline void dst_use_noref(struct dst_entry *dst, unsigned long time)  in dst_use_noref()  argument
233 	if (unlikely(time != dst->lastuse)) {  in dst_use_noref()
234 		dst->__use++;  in dst_use_noref()
235 		dst->lastuse = time;  in dst_use_noref()
239 static inline void dst_hold_and_use(struct dst_entry *dst, unsigned long time)  in dst_hold_and_use()  argument
241 	dst_hold(dst);  in dst_hold_and_use()
242 	dst_use_noref(dst, time);  in dst_hold_and_use()
245 static inline struct dst_entry *dst_clone(struct dst_entry *dst)  in dst_clone()  argument
247 	if (dst)  in dst_clone()
248 		dst_hold(dst);  in dst_clone()
249 	return dst;  in dst_clone()
252 void dst_release(struct dst_entry *dst);
254 void dst_release_immediate(struct dst_entry *dst);
295 static inline bool dst_hold_safe(struct dst_entry *dst)  in dst_hold_safe()  argument
297 	return atomic_inc_not_zero(&dst->__refcnt);  in dst_hold_safe()
310 		struct dst_entry *dst = skb_dst(skb);  in skb_dst_force()  local
313 		if (!dst_hold_safe(dst))  in skb_dst_force()
314 			dst = NULL;  in skb_dst_force()
316 		skb->_skb_refdst = (unsigned long)dst;  in skb_dst_force()
369 	const struct dst_entry *dst;  in dst_tclassid()  local
371 	dst = skb_dst(skb);  in dst_tclassid()
372 	if (dst)  in dst_tclassid()
373 		return dst->tclassid;  in dst_tclassid()
385 void dst_init(struct dst_entry *dst, struct dst_ops *ops,
388 struct dst_entry *dst_destroy(struct dst_entry *dst);
389 void dst_dev_put(struct dst_entry *dst);
391 static inline void dst_confirm(struct dst_entry *dst)  in dst_confirm()  argument
395 static inline struct neighbour *dst_neigh_lookup(const struct dst_entry *dst, const void *daddr)  in dst_neigh_lookup()  argument
397 	struct neighbour *n = dst->ops->neigh_lookup(dst, NULL, daddr);  in dst_neigh_lookup()
401 static inline struct neighbour *dst_neigh_lookup_skb(const struct dst_entry *dst,  in dst_neigh_lookup_skb()  argument
404 	struct neighbour *n =  dst->ops->neigh_lookup(dst, skb, NULL);  in dst_neigh_lookup_skb()
408 static inline void dst_confirm_neigh(const struct dst_entry *dst,  in dst_confirm_neigh()  argument
411 	if (dst->ops->confirm_neigh)  in dst_confirm_neigh()
412 		dst->ops->confirm_neigh(dst, daddr);  in dst_confirm_neigh()
417 	struct dst_entry *dst = skb_dst(skb);  in dst_link_failure()  local
418 	if (dst && dst->ops && dst->ops->link_failure)  in dst_link_failure()
419 		dst->ops->link_failure(skb);  in dst_link_failure()
422 static inline void dst_set_expires(struct dst_entry *dst, int timeout)  in dst_set_expires()  argument
429 	if (dst->expires == 0 || time_before(expires, dst->expires))  in dst_set_expires()
430 		dst->expires = expires;  in dst_set_expires()
445 static inline struct dst_entry *dst_check(struct dst_entry *dst, u32 cookie)  in dst_check()  argument
447 	if (dst->obsolete)  in dst_check()
448 		dst = dst->ops->check(dst, cookie);  in dst_check()
449 	return dst;  in dst_check()
487 static inline struct xfrm_state *dst_xfrm(const struct dst_entry *dst)  in dst_xfrm()  argument
508 static inline struct xfrm_state *dst_xfrm(const struct dst_entry *dst)  in dst_xfrm()  argument
510 	return dst->xfrm;  in dst_xfrm()
516 	struct dst_entry *dst = skb_dst(skb);  in skb_dst_update_pmtu()  local
518 	if (dst && dst->ops->update_pmtu)  in skb_dst_update_pmtu()
519 		dst->ops->update_pmtu(dst, NULL, skb, mtu);  in skb_dst_update_pmtu()