52 	struct net *net;  member
66 static void fib6_prune_clones(struct net *net, struct fib6_node *fn);
67 static struct rt6_info *fib6_find_prefix(struct net *net, struct fib6_node *fn);
68 static struct fib6_node *fib6_repair_tree(struct net *net, struct fib6_node *fn);
98 static int fib6_new_sernum(struct net *net)  in fib6_new_sernum()  argument
103 		old = atomic_read(&net->ipv6.fib6_sernum);  in fib6_new_sernum()
105 	} while (atomic_cmpxchg(&net->ipv6.fib6_sernum,  in fib6_new_sernum()
193 static void fib6_link_table(struct net *net, struct fib6_table *tb)  in fib6_link_table()  argument
209 	hlist_add_head_rcu(&tb->tb6_hlist, &net->ipv6.fib_table_hash[h]);  in fib6_link_table()
214 static struct fib6_table *fib6_alloc_table(struct net *net, u32 id)  in fib6_alloc_table()  argument
221 		table->tb6_root.leaf = net->ipv6.ip6_null_entry;  in fib6_alloc_table()
229 struct fib6_table *fib6_new_table(struct net *net, u32 id)  in fib6_new_table()  argument
235 	tb = fib6_get_table(net, id);  in fib6_new_table()
239 	tb = fib6_alloc_table(net, id);  in fib6_new_table()
241 		fib6_link_table(net, tb);  in fib6_new_table()
246 struct fib6_table *fib6_get_table(struct net *net, u32 id)  in fib6_get_table()  argument
256 	head = &net->ipv6.fib_table_hash[h];  in fib6_get_table()
269 static void __net_init fib6_tables_init(struct net *net)  in fib6_tables_init()  argument
271 	fib6_link_table(net, net->ipv6.fib6_main_tbl);  in fib6_tables_init()
272 	fib6_link_table(net, net->ipv6.fib6_local_tbl);  in fib6_tables_init()
276 struct fib6_table *fib6_new_table(struct net *net, u32 id)  in fib6_new_table()  argument
278 	return fib6_get_table(net, id);  in fib6_new_table()
281 struct fib6_table *fib6_get_table(struct net *net, u32 id)  in fib6_get_table()  argument
283 	  return net->ipv6.fib6_main_tbl;  in fib6_get_table()
286 struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6,  in fib6_rule_lookup()  argument
291 	rt = lookup(net, net->ipv6.fib6_main_tbl, fl6, flags);  in fib6_rule_lookup()
295 		rt = net->ipv6.ip6_null_entry;  in fib6_rule_lookup()
302 static void __net_init fib6_tables_init(struct net *net)  in fib6_tables_init()  argument
304 	fib6_link_table(net, net->ipv6.fib6_main_tbl);  in fib6_tables_init()
392 	struct net *net = sock_net(skb->sk);  in inet6_dump_fib()  local
425 	arg.net = net;  in inet6_dump_fib()
431 		head = &net->ipv6.fib_table_hash[h];  in inet6_dump_fib()
706 			  struct net *net)  in fib6_purge_rt()  argument
717 				fn->leaf = fib6_find_prefix(net, fn);  in fib6_purge_rt()
922 static void fib6_start_gc(struct net *net, struct rt6_info *rt)  in fib6_start_gc()  argument
924 	if (!timer_pending(&net->ipv6.ip6_fib_timer) &&  in fib6_start_gc()
926 		mod_timer(&net->ipv6.ip6_fib_timer,  in fib6_start_gc()
927 			  jiffies + net->ipv6.sysctl.ip6_rt_gc_interval);  in fib6_start_gc()
930 void fib6_force_start_gc(struct net *net)  in fib6_force_start_gc()  argument
932 	if (!timer_pending(&net->ipv6.ip6_fib_timer))  in fib6_force_start_gc()
933 		mod_timer(&net->ipv6.ip6_fib_timer,  in fib6_force_start_gc()
934 			  jiffies + net->ipv6.sysctl.ip6_rt_gc_interval);  in fib6_force_start_gc()
1257 static struct rt6_info *fib6_find_prefix(struct net *net, struct fib6_node *fn)  in fib6_find_prefix()  argument
1260 		return net->ipv6.ip6_null_entry;  in fib6_find_prefix()
1278 static struct fib6_node *fib6_repair_tree(struct net *net,  in fib6_repair_tree()  argument
1308 			fn->leaf = fib6_find_prefix(net, fn);  in fib6_repair_tree()
1312 				fn->leaf = net->ipv6.ip6_null_entry;  in fib6_repair_tree()
1388 	struct net *net = info->nl_net;  in fib6_del_route()  local
1395 	net->ipv6.rt6_stats->fib_rt_entries--;  in fib6_del_route()
1396 	net->ipv6.rt6_stats->fib_discarded_routes++;  in fib6_del_route()
1430 		net->ipv6.rt6_stats->fib_route_nodes--;  in fib6_del_route()
1431 		fn = fib6_repair_tree(net, fn);  in fib6_del_route()
1434 	fib6_purge_rt(rt, fn, net);  in fib6_del_route()
1442 	struct net *net = info->nl_net;  in fib6_del()  local
1452 	if (!fn || rt == net->ipv6.ip6_null_entry)  in fib6_del()
1611 		.nl_net = c->net,  in fib6_clean_node()
1655 static void fib6_clean_tree(struct net *net, struct fib6_node *root,  in fib6_clean_tree()  argument
1669 	c.net = net;  in fib6_clean_tree()
1674 static void __fib6_clean_all(struct net *net,  in __fib6_clean_all()  argument
1684 		head = &net->ipv6.fib_table_hash[h];  in __fib6_clean_all()
1687 			fib6_clean_tree(net, &table->tb6_root,  in __fib6_clean_all()
1695 void fib6_clean_all(struct net *net, int (*func)(struct rt6_info *, void *),  in fib6_clean_all()  argument
1698 	__fib6_clean_all(net, func, FIB6_NO_SERNUM_CHANGE, arg);  in fib6_clean_all()
1711 static void fib6_prune_clones(struct net *net, struct fib6_node *fn)  in fib6_prune_clones()  argument
1713 	fib6_clean_tree(net, fn, fib6_prune_clone, true,  in fib6_prune_clones()
1717 static void fib6_flush_trees(struct net *net)  in fib6_flush_trees()  argument
1719 	int new_sernum = fib6_new_sernum(net);  in fib6_flush_trees()
1721 	__fib6_clean_all(net, NULL, new_sernum, NULL);  in fib6_flush_trees()
1780 void fib6_run_gc(unsigned long expires, struct net *net, bool force)  in fib6_run_gc()  argument
1787 		mod_timer(&net->ipv6.ip6_fib_timer, jiffies + HZ);  in fib6_run_gc()
1791 			  net->ipv6.sysctl.ip6_rt_gc_interval;  in fib6_run_gc()
1795 	fib6_clean_all(net, fib6_age, NULL);  in fib6_run_gc()
1797 	net->ipv6.ip6_rt_last_gc = now;  in fib6_run_gc()
1800 		mod_timer(&net->ipv6.ip6_fib_timer,  in fib6_run_gc()
1802 					+ net->ipv6.sysctl.ip6_rt_gc_interval));  in fib6_run_gc()
1804 		del_timer(&net->ipv6.ip6_fib_timer);  in fib6_run_gc()
1810 	fib6_run_gc(0, (struct net *)arg, true);  in fib6_gc_timer_cb()
1813 static int __net_init fib6_net_init(struct net *net)  in fib6_net_init()  argument
1817 	setup_timer(&net->ipv6.ip6_fib_timer, fib6_gc_timer_cb, (unsigned long)net);  in fib6_net_init()
1819 	net->ipv6.rt6_stats = kzalloc(sizeof(*net->ipv6.rt6_stats), GFP_KERNEL);  in fib6_net_init()
1820 	if (!net->ipv6.rt6_stats)  in fib6_net_init()
1826 	net->ipv6.fib_table_hash = kzalloc(size, GFP_KERNEL);  in fib6_net_init()
1827 	if (!net->ipv6.fib_table_hash)  in fib6_net_init()
1830 	net->ipv6.fib6_main_tbl = kzalloc(sizeof(*net->ipv6.fib6_main_tbl),  in fib6_net_init()
1832 	if (!net->ipv6.fib6_main_tbl)  in fib6_net_init()
1835 	net->ipv6.fib6_main_tbl->tb6_id = RT6_TABLE_MAIN;  in fib6_net_init()
1836 	net->ipv6.fib6_main_tbl->tb6_root.leaf = net->ipv6.ip6_null_entry;  in fib6_net_init()
1837 	net->ipv6.fib6_main_tbl->tb6_root.fn_flags =  in fib6_net_init()
1839 	inet_peer_base_init(&net->ipv6.fib6_main_tbl->tb6_peers);  in fib6_net_init()
1842 	net->ipv6.fib6_local_tbl = kzalloc(sizeof(*net->ipv6.fib6_local_tbl),  in fib6_net_init()
1844 	if (!net->ipv6.fib6_local_tbl)  in fib6_net_init()
1846 	net->ipv6.fib6_local_tbl->tb6_id = RT6_TABLE_LOCAL;  in fib6_net_init()
1847 	net->ipv6.fib6_local_tbl->tb6_root.leaf = net->ipv6.ip6_null_entry;  in fib6_net_init()
1848 	net->ipv6.fib6_local_tbl->tb6_root.fn_flags =  in fib6_net_init()
1850 	inet_peer_base_init(&net->ipv6.fib6_local_tbl->tb6_peers);  in fib6_net_init()
1852 	fib6_tables_init(net);  in fib6_net_init()
1858 	kfree(net->ipv6.fib6_main_tbl);  in fib6_net_init()
1861 	kfree(net->ipv6.fib_table_hash);  in fib6_net_init()
1863 	kfree(net->ipv6.rt6_stats);  in fib6_net_init()
1868 static void fib6_net_exit(struct net *net)  in fib6_net_exit()  argument
1870 	rt6_ifdown(net, NULL);  in fib6_net_exit()
1871 	del_timer_sync(&net->ipv6.ip6_fib_timer);  in fib6_net_exit()
1874 	inetpeer_invalidate_tree(&net->ipv6.fib6_local_tbl->tb6_peers);  in fib6_net_exit()
1875 	kfree(net->ipv6.fib6_local_tbl);  in fib6_net_exit()
1877 	inetpeer_invalidate_tree(&net->ipv6.fib6_main_tbl->tb6_peers);  in fib6_net_exit()
1878 	kfree(net->ipv6.fib6_main_tbl);  in fib6_net_exit()
1879 	kfree(net->ipv6.fib_table_hash);  in fib6_net_exit()
1880 	kfree(net->ipv6.rt6_stats);  in fib6_net_exit()
1991 						    struct net *net)  in ipv6_route_seq_next_table()  argument
2006 			hlist_first_rcu(&net->ipv6.fib_table_hash[h++]));  in ipv6_route_seq_next_table()
2026 	struct net *net = seq_file_net(seq);  in ipv6_route_seq_next()  local
2053 	iter->tbl = ipv6_route_seq_next_table(iter->tbl, net);  in ipv6_route_seq_next()
2064 	struct net *net = seq_file_net(seq);  in ipv6_route_seq_start()  local
2068 	iter->tbl = ipv6_route_seq_next_table(NULL, net);  in ipv6_route_seq_start()