344 	struct rt6_info *rt = dst_alloc(&net->ipv6.ip6_dst_ops, dev,  in ip6_dst_alloc()
349 		atomic_inc(&net->ipv6.rt6_stats->fib_rt_alloc);  in ip6_dst_alloc()
565 		res->f6i = net->ipv6.fib6_null_entry;  in rt6_device_match()
579 		res->f6i = net->ipv6.fib6_null_entry;  in rt6_device_match()
874 	if (!leaf || leaf == net->ipv6.fib6_null_entry)  in rt6_select()
913 		res->f6i = net->ipv6.fib6_null_entry;  in rt6_select()
1166 		rt = net->ipv6.ip6_null_entry;  in ip6_hold_safe()
1197 	nrt = dev_net(dev)->ipv6.ip6_null_entry;  in ip6_create_rt_rcu()
1217 		res.f6i = net->ipv6.fib6_null_entry;  in ip6_pol_route_lookup()
1222 	if (res.f6i == net->ipv6.fib6_null_entry) {  in ip6_pol_route_lookup()
1227 		rt = net->ipv6.ip6_null_entry;  in ip6_pol_route_lookup()
1452 	net->ipv6.rt6_stats->fib_rt_cache--;  in rt6_remove_exception()
1713 	net->ipv6.rt6_stats->fib_rt_cache++;  in rt6_insert_exception()
2183 	if (res->f6i == net->ipv6.fib6_null_entry) {  in fib6_table_lookup()
2213 	if (net->ipv6.devconf_all->forwarding == 0)  in ip6_pol_route()
2219 	if (res.f6i == net->ipv6.fib6_null_entry)  in ip6_pol_route()
2260 		rt = net->ipv6.ip6_null_entry;  in ip6_pol_route()
2642 		dst = &net->ipv6.ip6_null_entry->dst;  in ip6_route_output_flags()
2661 		atomic_inc(&net->ipv6.rt6_stats->fib_rt_alloc);  in ip6_blackhole_route()
2830 	rt6_update_expires(rt, net->ipv6.sysctl.ip6_rt_mtu_expires);  in rt6_do_update_pmtu()
3091 		rt = net->ipv6.fib6_null_entry;  in __ip6_route_redirect()
3093 		ret = net->ipv6.ip6_null_entry;  in __ip6_route_redirect()
3097 	if (rt == net->ipv6.fib6_null_entry) {  in __ip6_route_redirect()
3189 	if (mtu < net->ipv6.sysctl.ip6_rt_min_advmss)  in ip6_default_advmss()
3190 		mtu = net->ipv6.sysctl.ip6_rt_min_advmss;  in ip6_default_advmss()
3289 	struct net *net = container_of(ops, struct net, ipv6.ip6_dst_ops);  in ip6_dst_gc()
3290 	int rt_min_interval = net->ipv6.sysctl.ip6_rt_gc_min_interval;  in ip6_dst_gc()
3291 	int rt_max_size = net->ipv6.sysctl.ip6_rt_max_size;  in ip6_dst_gc()
3292 	int rt_elasticity = net->ipv6.sysctl.ip6_rt_gc_elasticity;  in ip6_dst_gc()
3293 	int rt_gc_timeout = net->ipv6.sysctl.ip6_rt_gc_timeout;  in ip6_dst_gc()
3294 	unsigned long rt_last_gc = net->ipv6.ip6_rt_last_gc;  in ip6_dst_gc()
3306 	fib6_run_gc(atomic_inc_return(&net->ipv6.ip6_rt_gc_expire), net, true);  in ip6_dst_gc()
3309 		atomic_set(&net->ipv6.ip6_rt_gc_expire, rt_gc_timeout >> 1);  in ip6_dst_gc()
3311 	val = atomic_read(&net->ipv6.ip6_rt_gc_expire);  in ip6_dst_gc()
3312 	atomic_set(&net->ipv6.ip6_rt_gc_expire, val - (val >> rt_elasticity));  in ip6_dst_gc()
3338 	if (!err && res->f6i != net->ipv6.fib6_null_entry)  in ip6_nh_lookup_table()
3859 	if (rt == net->ipv6.fib6_null_entry) {  in __ip6_del_rt()
3892 	if (rt == net->ipv6.fib6_null_entry)  in __ip6_del_rt_siblings()
4419 		head = &net->ipv6.fib_table_hash[h];  in rt6_purge_dflt_routers()
4576 		    (net->ipv6.devconf_all->disable_policy ||  in addrconf_f6i_alloc()
4599 	    rt != net->ipv6.fib6_null_entry &&  in fib6_remove_prefsrc()
4758 	if (rt != net->ipv6.fib6_null_entry && !rt->nh &&  in fib6_ifup()
4844 	if (rt == net->ipv6.fib6_null_entry || rt->nh)  in fib6_ifdown()
4891 	if (net->ipv6.sysctl.skip_notify_on_dev_down)  in rt6_sync_down_dev()
5891 	if (rt == net->ipv6.fib6_null_entry)  in rt6_dump_route()
6118 	if (rt == net->ipv6.ip6_null_entry) {  in inet6_rtm_getroute()
6234 	if (net->ipv6.sysctl.fib_notify_on_flag_change == 2 &&  in fib6_info_hw_flags_set()
6246 	if (!net->ipv6.sysctl.fib_notify_on_flag_change)  in fib6_info_hw_flags_set()
6282 		net->ipv6.fib6_null_entry->fib6_nh->fib_nh_dev = dev;  in ip6_route_dev_notify()
6283 		net->ipv6.ip6_null_entry->dst.dev = dev;  in ip6_route_dev_notify()
6284 		net->ipv6.ip6_null_entry->rt6i_idev = in6_dev_get(dev);  in ip6_route_dev_notify()
6286 		net->ipv6.ip6_prohibit_entry->dst.dev = dev;  in ip6_route_dev_notify()
6287 		net->ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(dev);  in ip6_route_dev_notify()
6288 		net->ipv6.ip6_blk_hole_entry->dst.dev = dev;  in ip6_route_dev_notify()
6289 		net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev);  in ip6_route_dev_notify()
6296 		in6_dev_put_clear(&net->ipv6.ip6_null_entry->rt6i_idev);  in ip6_route_dev_notify()
6298 		in6_dev_put_clear(&net->ipv6.ip6_prohibit_entry->rt6i_idev);  in ip6_route_dev_notify()
6299 		in6_dev_put_clear(&net->ipv6.ip6_blk_hole_entry->rt6i_idev);  in ip6_route_dev_notify()
6315 		   net->ipv6.rt6_stats->fib_nodes,  in rt6_stats_seq_show()
6316 		   net->ipv6.rt6_stats->fib_route_nodes,  in rt6_stats_seq_show()
6317 		   atomic_read(&net->ipv6.rt6_stats->fib_rt_alloc),  in rt6_stats_seq_show()
6318 		   net->ipv6.rt6_stats->fib_rt_entries,  in rt6_stats_seq_show()
6319 		   net->ipv6.rt6_stats->fib_rt_cache,  in rt6_stats_seq_show()
6320 		   dst_entries_get_slow(&net->ipv6.ip6_dst_ops),  in rt6_stats_seq_show()
6321 		   net->ipv6.rt6_stats->fib_discarded_routes);  in rt6_stats_seq_show()
6339 	delay = net->ipv6.sysctl.flush_delay;  in ipv6_sysctl_rtcache_flush()
6351 		.data		=	&init_net.ipv6.sysctl.ip6_rt_max_size,
6365 		.data		=	&init_net.ipv6.sysctl.flush_delay,
6372 		.data		=	&init_net.ipv6.sysctl.ip6_rt_gc_min_interval,
6379 		.data		=	&init_net.ipv6.sysctl.ip6_rt_gc_timeout,
6386 		.data		=	&init_net.ipv6.sysctl.ip6_rt_gc_interval,
6393 		.data		=	&init_net.ipv6.sysctl.ip6_rt_gc_elasticity,
6400 		.data		=	&init_net.ipv6.sysctl.ip6_rt_mtu_expires,
6407 		.data		=	&init_net.ipv6.sysctl.ip6_rt_min_advmss,
6414 		.data		=	&init_net.ipv6.sysctl.ip6_rt_gc_min_interval,
6421 		.data		=	&init_net.ipv6.sysctl.skip_notify_on_dev_down,
6440 		table[0].data = &net->ipv6.sysctl.ip6_rt_max_size;  in ipv6_route_sysctl_init()
6441 		table[1].data = &net->ipv6.ip6_dst_ops.gc_thresh;  in ipv6_route_sysctl_init()
6442 		table[2].data = &net->ipv6.sysctl.flush_delay;  in ipv6_route_sysctl_init()
6444 		table[3].data = &net->ipv6.sysctl.ip6_rt_gc_min_interval;  in ipv6_route_sysctl_init()
6445 		table[4].data = &net->ipv6.sysctl.ip6_rt_gc_timeout;  in ipv6_route_sysctl_init()
6446 		table[5].data = &net->ipv6.sysctl.ip6_rt_gc_interval;  in ipv6_route_sysctl_init()
6447 		table[6].data = &net->ipv6.sysctl.ip6_rt_gc_elasticity;  in ipv6_route_sysctl_init()
6448 		table[7].data = &net->ipv6.sysctl.ip6_rt_mtu_expires;  in ipv6_route_sysctl_init()
6449 		table[8].data = &net->ipv6.sysctl.ip6_rt_min_advmss;  in ipv6_route_sysctl_init()
6450 		table[9].data = &net->ipv6.sysctl.ip6_rt_gc_min_interval;  in ipv6_route_sysctl_init()
6451 		table[10].data = &net->ipv6.sysctl.skip_notify_on_dev_down;  in ipv6_route_sysctl_init()
6466 	memcpy(&net->ipv6.ip6_dst_ops, &ip6_dst_ops_template,  in ip6_route_net_init()
6467 	       sizeof(net->ipv6.ip6_dst_ops));  in ip6_route_net_init()
6469 	if (dst_entries_init(&net->ipv6.ip6_dst_ops) < 0)  in ip6_route_net_init()
6472 	net->ipv6.fib6_null_entry = fib6_info_alloc(GFP_KERNEL, true);  in ip6_route_net_init()
6473 	if (!net->ipv6.fib6_null_entry)  in ip6_route_net_init()
6475 	memcpy(net->ipv6.fib6_null_entry, &fib6_null_entry_template,  in ip6_route_net_init()
6476 	       sizeof(*net->ipv6.fib6_null_entry));  in ip6_route_net_init()
6478 	net->ipv6.ip6_null_entry = kmemdup(&ip6_null_entry_template,  in ip6_route_net_init()
6479 					   sizeof(*net->ipv6.ip6_null_entry),  in ip6_route_net_init()
6481 	if (!net->ipv6.ip6_null_entry)  in ip6_route_net_init()
6483 	net->ipv6.ip6_null_entry->dst.ops = &net->ipv6.ip6_dst_ops;  in ip6_route_net_init()
6484 	dst_init_metrics(&net->ipv6.ip6_null_entry->dst,  in ip6_route_net_init()
6486 	INIT_LIST_HEAD(&net->ipv6.ip6_null_entry->rt6i_uncached);  in ip6_route_net_init()
6489 	net->ipv6.fib6_has_custom_rules = false;  in ip6_route_net_init()
6490 	net->ipv6.ip6_prohibit_entry = kmemdup(&ip6_prohibit_entry_template,  in ip6_route_net_init()
6491 					       sizeof(*net->ipv6.ip6_prohibit_entry),  in ip6_route_net_init()
6493 	if (!net->ipv6.ip6_prohibit_entry)  in ip6_route_net_init()
6495 	net->ipv6.ip6_prohibit_entry->dst.ops = &net->ipv6.ip6_dst_ops;  in ip6_route_net_init()
6496 	dst_init_metrics(&net->ipv6.ip6_prohibit_entry->dst,  in ip6_route_net_init()
6498 	INIT_LIST_HEAD(&net->ipv6.ip6_prohibit_entry->rt6i_uncached);  in ip6_route_net_init()
6500 	net->ipv6.ip6_blk_hole_entry = kmemdup(&ip6_blk_hole_entry_template,  in ip6_route_net_init()
6501 					       sizeof(*net->ipv6.ip6_blk_hole_entry),  in ip6_route_net_init()
6503 	if (!net->ipv6.ip6_blk_hole_entry)  in ip6_route_net_init()
6505 	net->ipv6.ip6_blk_hole_entry->dst.ops = &net->ipv6.ip6_dst_ops;  in ip6_route_net_init()
6506 	dst_init_metrics(&net->ipv6.ip6_blk_hole_entry->dst,  in ip6_route_net_init()
6508 	INIT_LIST_HEAD(&net->ipv6.ip6_blk_hole_entry->rt6i_uncached);  in ip6_route_net_init()
6510 	net->ipv6.fib6_routes_require_src = 0;  in ip6_route_net_init()
6514 	net->ipv6.sysctl.flush_delay = 0;  in ip6_route_net_init()
6515 	net->ipv6.sysctl.ip6_rt_max_size = 4096;  in ip6_route_net_init()
6516 	net->ipv6.sysctl.ip6_rt_gc_min_interval = HZ / 2;  in ip6_route_net_init()
6517 	net->ipv6.sysctl.ip6_rt_gc_timeout = 60*HZ;  in ip6_route_net_init()
6518 	net->ipv6.sysctl.ip6_rt_gc_interval = 30*HZ;  in ip6_route_net_init()
6519 	net->ipv6.sysctl.ip6_rt_gc_elasticity = 9;  in ip6_route_net_init()
6520 	net->ipv6.sysctl.ip6_rt_mtu_expires = 10*60*HZ;  in ip6_route_net_init()
6521 	net->ipv6.sysctl.ip6_rt_min_advmss = IPV6_MIN_MTU - 20 - 40;  in ip6_route_net_init()
6522 	net->ipv6.sysctl.skip_notify_on_dev_down = 0;  in ip6_route_net_init()
6524 	atomic_set(&net->ipv6.ip6_rt_gc_expire, 30*HZ);  in ip6_route_net_init()
6532 	kfree(net->ipv6.ip6_prohibit_entry);  in ip6_route_net_init()
6534 	kfree(net->ipv6.ip6_null_entry);  in ip6_route_net_init()
6537 	kfree(net->ipv6.fib6_null_entry);  in ip6_route_net_init()
6539 	dst_entries_destroy(&net->ipv6.ip6_dst_ops);  in ip6_route_net_init()
6546 	kfree(net->ipv6.fib6_null_entry);  in ip6_route_net_exit()
6547 	kfree(net->ipv6.ip6_null_entry);  in ip6_route_net_exit()
6549 	kfree(net->ipv6.ip6_prohibit_entry);  in ip6_route_net_exit()
6550 	kfree(net->ipv6.ip6_blk_hole_entry);  in ip6_route_net_exit()
6552 	dst_entries_destroy(&net->ipv6.ip6_dst_ops);  in ip6_route_net_exit()
6592 	net->ipv6.peers = bp;  in ipv6_inetpeer_init()
6598 	struct inet_peer_base *bp = net->ipv6.peers;  in ipv6_inetpeer_exit()
6600 	net->ipv6.peers = NULL;  in ipv6_inetpeer_exit()
6625 	init_net.ipv6.fib6_null_entry->fib6_nh->fib_nh_dev = init_net.loopback_dev;  in ip6_route_init_special_entries()
6626 	init_net.ipv6.ip6_null_entry->dst.dev = init_net.loopback_dev;  in ip6_route_init_special_entries()
6627 	init_net.ipv6.ip6_null_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);  in ip6_route_init_special_entries()
6629 	init_net.ipv6.ip6_prohibit_entry->dst.dev = init_net.loopback_dev;  in ip6_route_init_special_entries()
6630 	init_net.ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);  in ip6_route_init_special_entries()
6631 	init_net.ipv6.ip6_blk_hole_entry->dst.dev = init_net.loopback_dev;  in ip6_route_init_special_entries()
6632 	init_net.ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);  in ip6_route_init_special_entries()