342 	struct rt6_info *rt = dst_alloc(&net->ipv6.ip6_dst_ops, dev,  in ip6_dst_alloc()
347 		atomic_inc(&net->ipv6.rt6_stats->fib_rt_alloc);  in ip6_dst_alloc()
568 		res->f6i = net->ipv6.fib6_null_entry;  in rt6_device_match()
582 		res->f6i = net->ipv6.fib6_null_entry;  in rt6_device_match()
880 	if (!leaf || leaf == net->ipv6.fib6_null_entry)  in rt6_select()
919 		res->f6i = net->ipv6.fib6_null_entry;  in rt6_select()
1181 		rt = net->ipv6.ip6_null_entry;  in ip6_hold_safe()
1212 	nrt = dev_net(dev)->ipv6.ip6_null_entry;  in ip6_create_rt_rcu()
1232 		res.f6i = net->ipv6.fib6_null_entry;  in ip6_pol_route_lookup()
1237 	if (res.f6i == net->ipv6.fib6_null_entry) {  in ip6_pol_route_lookup()
1242 		rt = net->ipv6.ip6_null_entry;  in ip6_pol_route_lookup()
1467 	net->ipv6.rt6_stats->fib_rt_cache--;  in rt6_remove_exception()
1726 	net->ipv6.rt6_stats->fib_rt_cache++;  in rt6_insert_exception()
2196 	if (res->f6i == net->ipv6.fib6_null_entry) {  in fib6_table_lookup()
2226 	if (READ_ONCE(net->ipv6.devconf_all->forwarding) == 0)  in ip6_pol_route()
2232 	if (res.f6i == net->ipv6.fib6_null_entry)  in ip6_pol_route()
2273 		rt = net->ipv6.ip6_null_entry;  in ip6_pol_route()
2655 		dst = &net->ipv6.ip6_null_entry->dst;  in ip6_route_output_flags()
2674 		atomic_inc(&net->ipv6.rt6_stats->fib_rt_alloc);  in ip6_blackhole_route()
2843 	rt6_update_expires(rt, net->ipv6.sysctl.ip6_rt_mtu_expires);  in rt6_do_update_pmtu()
3105 		rt = net->ipv6.fib6_null_entry;  in __ip6_route_redirect()
3107 		ret = net->ipv6.ip6_null_entry;  in __ip6_route_redirect()
3111 	if (rt == net->ipv6.fib6_null_entry) {  in __ip6_route_redirect()
3206 	if (mtu < net->ipv6.sysctl.ip6_rt_min_advmss)  in ip6_default_advmss()
3207 		mtu = net->ipv6.sysctl.ip6_rt_min_advmss;  in ip6_default_advmss()
3308 	struct net *net = container_of(ops, struct net, ipv6.ip6_dst_ops);  in ip6_dst_gc()
3309 	int rt_min_interval = net->ipv6.sysctl.ip6_rt_gc_min_interval;  in ip6_dst_gc()
3310 	int rt_elasticity = net->ipv6.sysctl.ip6_rt_gc_elasticity;  in ip6_dst_gc()
3311 	int rt_gc_timeout = net->ipv6.sysctl.ip6_rt_gc_timeout;  in ip6_dst_gc()
3312 	unsigned long rt_last_gc = net->ipv6.ip6_rt_last_gc;  in ip6_dst_gc()
3319 	fib6_run_gc(atomic_inc_return(&net->ipv6.ip6_rt_gc_expire), net, true);  in ip6_dst_gc()
3322 		atomic_set(&net->ipv6.ip6_rt_gc_expire, rt_gc_timeout >> 1);  in ip6_dst_gc()
3324 	val = atomic_read(&net->ipv6.ip6_rt_gc_expire);  in ip6_dst_gc()
3325 	atomic_set(&net->ipv6.ip6_rt_gc_expire, val - (val >> rt_elasticity));  in ip6_dst_gc()
3350 	if (!err && res->f6i != net->ipv6.fib6_null_entry)  in ip6_nh_lookup_table()
3874 	if (rt == net->ipv6.fib6_null_entry) {  in __ip6_del_rt()
3907 	if (rt == net->ipv6.fib6_null_entry)  in __ip6_del_rt_siblings()
4437 		head = &net->ipv6.fib_table_hash[h];  in rt6_purge_dflt_routers()
4598 		    (READ_ONCE(net->ipv6.devconf_all->disable_policy) ||  in addrconf_f6i_alloc()
4618 	    rt != net->ipv6.fib6_null_entry &&  in fib6_remove_prefsrc()
4777 	if (rt != net->ipv6.fib6_null_entry && !rt->nh &&  in fib6_ifup()
4863 	if (rt == net->ipv6.fib6_null_entry || rt->nh)  in fib6_ifdown()
4910 	if (net->ipv6.sysctl.skip_notify_on_dev_down)  in rt6_sync_down_dev()
5926 	if (rt == net->ipv6.fib6_null_entry)  in rt6_dump_route()
6164 	if (rt == net->ipv6.ip6_null_entry) {  in inet6_rtm_getroute()
6278 	if (net->ipv6.sysctl.fib_notify_on_flag_change == 2 &&  in fib6_info_hw_flags_set()
6290 	if (!net->ipv6.sysctl.fib_notify_on_flag_change)  in fib6_info_hw_flags_set()
6326 		net->ipv6.fib6_null_entry->fib6_nh->fib_nh_dev = dev;  in ip6_route_dev_notify()
6327 		net->ipv6.ip6_null_entry->dst.dev = dev;  in ip6_route_dev_notify()
6328 		net->ipv6.ip6_null_entry->rt6i_idev = in6_dev_get(dev);  in ip6_route_dev_notify()
6330 		net->ipv6.ip6_prohibit_entry->dst.dev = dev;  in ip6_route_dev_notify()
6331 		net->ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(dev);  in ip6_route_dev_notify()
6332 		net->ipv6.ip6_blk_hole_entry->dst.dev = dev;  in ip6_route_dev_notify()
6333 		net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev);  in ip6_route_dev_notify()
6340 		in6_dev_put_clear(&net->ipv6.ip6_null_entry->rt6i_idev);  in ip6_route_dev_notify()
6342 		in6_dev_put_clear(&net->ipv6.ip6_prohibit_entry->rt6i_idev);  in ip6_route_dev_notify()
6343 		in6_dev_put_clear(&net->ipv6.ip6_blk_hole_entry->rt6i_idev);  in ip6_route_dev_notify()
6359 		   net->ipv6.rt6_stats->fib_nodes,  in rt6_stats_seq_show()
6360 		   net->ipv6.rt6_stats->fib_route_nodes,  in rt6_stats_seq_show()
6361 		   atomic_read(&net->ipv6.rt6_stats->fib_rt_alloc),  in rt6_stats_seq_show()
6362 		   net->ipv6.rt6_stats->fib_rt_entries,  in rt6_stats_seq_show()
6363 		   net->ipv6.rt6_stats->fib_rt_cache,  in rt6_stats_seq_show()
6364 		   dst_entries_get_slow(&net->ipv6.ip6_dst_ops),  in rt6_stats_seq_show()
6365 		   net->ipv6.rt6_stats->fib_discarded_routes);  in rt6_stats_seq_show()
6387 	delay = net->ipv6.sysctl.flush_delay;  in ipv6_sysctl_rtcache_flush()
6395 		.data		=	&init_net.ipv6.sysctl.ip6_rt_max_size,
6409 		.data		=	&init_net.ipv6.sysctl.flush_delay,
6416 		.data		=	&init_net.ipv6.sysctl.ip6_rt_gc_min_interval,
6423 		.data		=	&init_net.ipv6.sysctl.ip6_rt_gc_timeout,
6430 		.data		=	&init_net.ipv6.sysctl.ip6_rt_gc_interval,
6437 		.data		=	&init_net.ipv6.sysctl.ip6_rt_gc_elasticity,
6444 		.data		=	&init_net.ipv6.sysctl.ip6_rt_mtu_expires,
6451 		.data		=	&init_net.ipv6.sysctl.ip6_rt_min_advmss,
6458 		.data		=	&init_net.ipv6.sysctl.ip6_rt_gc_min_interval,
6465 		.data		=	&init_net.ipv6.sysctl.skip_notify_on_dev_down,
6483 		table[0].data = &net->ipv6.sysctl.ip6_rt_max_size;  in ipv6_route_sysctl_init()
6484 		table[1].data = &net->ipv6.ip6_dst_ops.gc_thresh;  in ipv6_route_sysctl_init()
6485 		table[2].data = &net->ipv6.sysctl.flush_delay;  in ipv6_route_sysctl_init()
6487 		table[3].data = &net->ipv6.sysctl.ip6_rt_gc_min_interval;  in ipv6_route_sysctl_init()
6488 		table[4].data = &net->ipv6.sysctl.ip6_rt_gc_timeout;  in ipv6_route_sysctl_init()
6489 		table[5].data = &net->ipv6.sysctl.ip6_rt_gc_interval;  in ipv6_route_sysctl_init()
6490 		table[6].data = &net->ipv6.sysctl.ip6_rt_gc_elasticity;  in ipv6_route_sysctl_init()
6491 		table[7].data = &net->ipv6.sysctl.ip6_rt_mtu_expires;  in ipv6_route_sysctl_init()
6492 		table[8].data = &net->ipv6.sysctl.ip6_rt_min_advmss;  in ipv6_route_sysctl_init()
6493 		table[9].data = &net->ipv6.sysctl.ip6_rt_gc_min_interval;  in ipv6_route_sysctl_init()
6494 		table[10].data = &net->ipv6.sysctl.skip_notify_on_dev_down;  in ipv6_route_sysctl_init()
6514 	memcpy(&net->ipv6.ip6_dst_ops, &ip6_dst_ops_template,  in ip6_route_net_init()
6515 	       sizeof(net->ipv6.ip6_dst_ops));  in ip6_route_net_init()
6517 	if (dst_entries_init(&net->ipv6.ip6_dst_ops) < 0)  in ip6_route_net_init()
6520 	net->ipv6.fib6_null_entry = fib6_info_alloc(GFP_KERNEL, true);  in ip6_route_net_init()
6521 	if (!net->ipv6.fib6_null_entry)  in ip6_route_net_init()
6523 	memcpy(net->ipv6.fib6_null_entry, &fib6_null_entry_template,  in ip6_route_net_init()
6524 	       sizeof(*net->ipv6.fib6_null_entry));  in ip6_route_net_init()
6526 	net->ipv6.ip6_null_entry = kmemdup(&ip6_null_entry_template,  in ip6_route_net_init()
6527 					   sizeof(*net->ipv6.ip6_null_entry),  in ip6_route_net_init()
6529 	if (!net->ipv6.ip6_null_entry)  in ip6_route_net_init()
6531 	net->ipv6.ip6_null_entry->dst.ops = &net->ipv6.ip6_dst_ops;  in ip6_route_net_init()
6532 	dst_init_metrics(&net->ipv6.ip6_null_entry->dst,  in ip6_route_net_init()
6534 	INIT_LIST_HEAD(&net->ipv6.ip6_null_entry->dst.rt_uncached);  in ip6_route_net_init()
6537 	net->ipv6.fib6_has_custom_rules = false;  in ip6_route_net_init()
6538 	net->ipv6.ip6_prohibit_entry = kmemdup(&ip6_prohibit_entry_template,  in ip6_route_net_init()
6539 					       sizeof(*net->ipv6.ip6_prohibit_entry),  in ip6_route_net_init()
6541 	if (!net->ipv6.ip6_prohibit_entry)  in ip6_route_net_init()
6543 	net->ipv6.ip6_prohibit_entry->dst.ops = &net->ipv6.ip6_dst_ops;  in ip6_route_net_init()
6544 	dst_init_metrics(&net->ipv6.ip6_prohibit_entry->dst,  in ip6_route_net_init()
6546 	INIT_LIST_HEAD(&net->ipv6.ip6_prohibit_entry->dst.rt_uncached);  in ip6_route_net_init()
6548 	net->ipv6.ip6_blk_hole_entry = kmemdup(&ip6_blk_hole_entry_template,  in ip6_route_net_init()
6549 					       sizeof(*net->ipv6.ip6_blk_hole_entry),  in ip6_route_net_init()
6551 	if (!net->ipv6.ip6_blk_hole_entry)  in ip6_route_net_init()
6553 	net->ipv6.ip6_blk_hole_entry->dst.ops = &net->ipv6.ip6_dst_ops;  in ip6_route_net_init()
6554 	dst_init_metrics(&net->ipv6.ip6_blk_hole_entry->dst,  in ip6_route_net_init()
6556 	INIT_LIST_HEAD(&net->ipv6.ip6_blk_hole_entry->dst.rt_uncached);  in ip6_route_net_init()
6558 	net->ipv6.fib6_routes_require_src = 0;  in ip6_route_net_init()
6562 	net->ipv6.sysctl.flush_delay = 0;  in ip6_route_net_init()
6563 	net->ipv6.sysctl.ip6_rt_max_size = INT_MAX;  in ip6_route_net_init()
6564 	net->ipv6.sysctl.ip6_rt_gc_min_interval = HZ / 2;  in ip6_route_net_init()
6565 	net->ipv6.sysctl.ip6_rt_gc_timeout = 60*HZ;  in ip6_route_net_init()
6566 	net->ipv6.sysctl.ip6_rt_gc_interval = 30*HZ;  in ip6_route_net_init()
6567 	net->ipv6.sysctl.ip6_rt_gc_elasticity = 9;  in ip6_route_net_init()
6568 	net->ipv6.sysctl.ip6_rt_mtu_expires = 10*60*HZ;  in ip6_route_net_init()
6569 	net->ipv6.sysctl.ip6_rt_min_advmss = IPV6_MIN_MTU - 20 - 40;  in ip6_route_net_init()
6570 	net->ipv6.sysctl.skip_notify_on_dev_down = 0;  in ip6_route_net_init()
6572 	atomic_set(&net->ipv6.ip6_rt_gc_expire, 30*HZ);  in ip6_route_net_init()
6580 	kfree(net->ipv6.ip6_prohibit_entry);  in ip6_route_net_init()
6582 	kfree(net->ipv6.ip6_null_entry);  in ip6_route_net_init()
6585 	kfree(net->ipv6.fib6_null_entry);  in ip6_route_net_init()
6587 	dst_entries_destroy(&net->ipv6.ip6_dst_ops);  in ip6_route_net_init()
6594 	kfree(net->ipv6.fib6_null_entry);  in ip6_route_net_exit()
6595 	kfree(net->ipv6.ip6_null_entry);  in ip6_route_net_exit()
6597 	kfree(net->ipv6.ip6_prohibit_entry);  in ip6_route_net_exit()
6598 	kfree(net->ipv6.ip6_blk_hole_entry);  in ip6_route_net_exit()
6600 	dst_entries_destroy(&net->ipv6.ip6_dst_ops);  in ip6_route_net_exit()
6640 	net->ipv6.peers = bp;  in ipv6_inetpeer_init()
6646 	struct inet_peer_base *bp = net->ipv6.peers;  in ipv6_inetpeer_exit()
6648 	net->ipv6.peers = NULL;  in ipv6_inetpeer_exit()
6673 	init_net.ipv6.fib6_null_entry->fib6_nh->fib_nh_dev = init_net.loopback_dev;  in ip6_route_init_special_entries()
6674 	init_net.ipv6.ip6_null_entry->dst.dev = init_net.loopback_dev;  in ip6_route_init_special_entries()
6675 	init_net.ipv6.ip6_null_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);  in ip6_route_init_special_entries()
6677 	init_net.ipv6.ip6_prohibit_entry->dst.dev = init_net.loopback_dev;  in ip6_route_init_special_entries()
6678 	init_net.ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);  in ip6_route_init_special_entries()
6679 	init_net.ipv6.ip6_blk_hole_entry->dst.dev = init_net.loopback_dev;  in ip6_route_init_special_entries()
6680 	init_net.ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);  in ip6_route_init_special_entries()