Differential D29971 Diff 88113 sys/net/route/route_helpers.c

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sys/net/route/route_helpers.c

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	rib_walk(uint32_t fibnum, int family, bool wlock, rib_walktree_f_t *wa_f,			rib_walk(uint32_t fibnum, int family, bool wlock, rib_walktree_f_t *wa_f,
	void *arg)			void *arg)
	{			{

	rib_walk_ext(fibnum, family, wlock, wa_f, NULL, arg);			rib_walk_ext(fibnum, family, wlock, wa_f, NULL, arg);
	}			}

	/*			/*
				* Calls @wa_f with @arg for each entry in the table with @prefix/@mask.
				*
				* The following flags are supported:
				* RIB_FLAG_WLOCK: acquire exclusive lock
				* RIB_FLAG_UNLOCKED: no locking. Assumes the table is already locked.
				donnerUnsubmitted Not Done Inline Actions That's a bad name for a read-lock. donner: That's a bad name for a read-lock.
				melifaroAuthorUnsubmitted Done Inline Actions It doesn’t assume read lock. It requests function not to acquire lock at all, assuming that the lock is already taken. melifaro: It doesn’t assume read lock. It requests function not to acquire lock at all, assuming that the…
				*
				* By default, table is traversed under read lock.
				*/
				void
				rib_walk_from(uint32_t fibnum, int family, uint32_t flags, struct sockaddr *prefix,
				struct sockaddr mask, rib_walktree_f_t wa_f, void *arg)
				{
				RIB_RLOCK_TRACKER;
				struct rib_head *rnh = rt_tables_get_rnh(fibnum, family);

				if (rnh == NULL)
				return;

				if (flags & RIB_FLAG_WLOCK)
				RIB_WLOCK(rnh);
				else if (!(flags & RIB_FLAG_UNLOCKED))
				RIB_RLOCK(rnh);

				rnh->rnh_walktree_from(&rnh->head, prefix, mask, (walktree_f_t *)wa_f, arg);

				if (flags & RIB_FLAG_WLOCK)
				RIB_WUNLOCK(rnh);
				else if (!(flags & RIB_FLAG_UNLOCKED))
				RIB_RUNLOCK(rnh);
				}

				/*
	* Iterates over all existing fibs in system calling			* Iterates over all existing fibs in system calling
	* @hook_f function before/after traversing each fib.			* @hook_f function before/after traversing each fib.
	* Calls @wa_f function for each element in current fib.			* Calls @wa_f function for each element in current fib.
	* If af is not AF_UNSPEC, iterates over fibs in particular			* If af is not AF_UNSPEC, iterates over fibs in particular
	* address family.			* address family.
	*/			*/
	void			void
	rib_foreach_table_walk(int family, bool wlock, rib_walktree_f_t *wa_f,			rib_foreach_table_walk(int family, bool wlock, rib_walktree_f_t *wa_f,
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