C++ (Cpp) fib6_add_rt2node Examples

Example #1

File: ip6_fib.c Project: BackupTheBerlios/tew632-brp-svn

				atomic_inc(&rt->rt6i_ref);
			}
		} else {
			sn = fib6_add_1(fn->subtree, &rt->rt6i_src.addr,
					sizeof(struct in6_addr), rt->rt6i_src.plen,
					offsetof(struct rt6_info, rt6i_src));

			if (sn == NULL)
				goto st_failure;
		}

		fn = sn;
	}
#endif

	err = fib6_add_rt2node(fn, rt, nlh, req);

	if (err == 0) {
		fib6_start_gc(rt);
		if (!(rt->rt6i_flags&RTF_CACHE))
			fib6_prune_clones(fn, rt);
	}

out:
	if (err)
		dst_free(&rt->u.dst);
	return err;

#ifdef CONFIG_IPV6_SUBTREES
	/* Subtree creation failed, probably main tree node
	   is orphan. If it is, shoot it.

Example #2

File: ip6_fib.c Project: ARMWorks/FA_2451_Linux_Kernel

				err = PTR_ERR(sn);
				sn = NULL;
			}
			if (!sn)
				goto st_failure;
		}

		if (!fn->leaf) {
			fn->leaf = rt;
			atomic_inc(&rt->rt6i_ref);
		}
		fn = sn;
	}
#endif

	err = fib6_add_rt2node(fn, rt, info);
	if (!err) {
		fib6_start_gc(info->nl_net, rt);
		if (!(rt->rt6i_flags & RTF_CACHE))
			fib6_prune_clones(info->nl_net, pn, rt);
	}

out:
	if (err) {
#ifdef CONFIG_IPV6_SUBTREES
		/*
		 * If fib6_add_1 has cleared the old leaf pointer in the
		 * super-tree leaf node we have to find a new one for it.
		 */
		if (pn != fn && pn->leaf == rt) {
			pn->leaf = NULL;

Example #3

File: ip6_fib.c Project: stesie/pfinet6

int fib6_add(struct fib6_node *root, struct rt6_info *rt)
{
	struct fib6_node *fn;
	int err = -ENOMEM;

	fn = fib6_add_1(root, &rt->rt6i_dst.addr, sizeof(struct in6_addr),
			rt->rt6i_dst.plen, (u8*) &rt->rt6i_dst - (u8*) rt);

	if (fn == NULL)
		return -ENOMEM;

#ifdef CONFIG_IPV6_SUBTREES
	if (rt->rt6i_src.plen) {
		struct fib6_node *sn;

		if (fn->subtree == NULL) {
			struct fib6_node *sfn;

			/*
			 * Create subtree.
			 *
			 *		fn[main tree]
			 *		|
			 *		sfn[subtree root]
			 *		   \
			 *		    sn[new leaf node]
			 */

			/* Create subtree root node */
			sfn = node_alloc();
			if (sfn == NULL)
				goto st_failure;

			sfn->leaf = &ip6_null_entry;
			atomic_inc(&ip6_null_entry.rt6i_ref);
			sfn->fn_flags = RTN_ROOT;
			sfn->fn_sernum = fib6_new_sernum();

			/* Now add the first leaf node to new subtree */

			sn = fib6_add_1(sfn, &rt->rt6i_src.addr,
					sizeof(struct in6_addr), rt->rt6i_src.plen,
					(u8*) &rt->rt6i_src - (u8*) rt);

			if (sn == NULL) {
				/* If it is failed, discard just allocated
				   root, and then (in st_failure) stale node
				   in main tree.
				 */
				node_free(sfn);
				goto st_failure;
			}

			/* Now link new subtree to main tree */
			sfn->parent = fn;
			fn->subtree = sfn;
			if (fn->leaf == NULL) {
				fn->leaf = rt;
				atomic_inc(&rt->rt6i_ref);
			}
		} else {
			sn = fib6_add_1(fn->subtree, &rt->rt6i_src.addr,
					sizeof(struct in6_addr), rt->rt6i_src.plen,
					(u8*) &rt->rt6i_src - (u8*) rt);

			if (sn == NULL)
				goto st_failure;
		}

		fn = sn;
	}
#endif

	err = fib6_add_rt2node(fn, rt);

	if (err == 0) {
		fib6_start_gc(rt);
		if (!(rt->rt6i_flags&RTF_CACHE))
			fib6_prune_clones(fn, rt);
	}

	if (err)
		dst_free(&rt->u.dst);
	return err;

#ifdef CONFIG_IPV6_SUBTREES
	/* Subtree creation failed, probably main tree node
	   is orphan. If it is, shot it.
	 */
st_failure:
	if (fn && !(fn->fn_flags&RTN_RTINFO|RTN_ROOT))
		fib_repair_tree(fn);
	dst_free(&rt->u.dst);
	return err;
#endif
}