return -EINVAL;
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
-@@ -97,6 +97,8 @@ static int ip6_pkt_discard(struct sk_bu
+@@ -98,6 +98,8 @@ static int ip6_pkt_discard(struct sk_bu
static int ip6_pkt_discard_out(struct net *net, struct sock *sk, struct sk_buff *skb);
static int ip6_pkt_prohibit(struct sk_buff *skb);
static int ip6_pkt_prohibit_out(struct net *net, struct sock *sk, struct sk_buff *skb);
static void ip6_link_failure(struct sk_buff *skb);
static void ip6_rt_update_pmtu(struct dst_entry *dst, struct sock *sk,
struct sk_buff *skb, u32 mtu,
-@@ -312,6 +314,18 @@ static const struct rt6_info ip6_prohibi
+@@ -313,6 +315,18 @@ static const struct rt6_info ip6_prohibi
.rt6i_flags = (RTF_REJECT | RTF_NONEXTHOP),
};
static const struct rt6_info ip6_blk_hole_entry_template = {
.dst = {
.__refcnt = ATOMIC_INIT(1),
-@@ -1033,6 +1047,7 @@ static const int fib6_prop[RTN_MAX + 1]
+@@ -1034,6 +1048,7 @@ static const int fib6_prop[RTN_MAX + 1]
[RTN_BLACKHOLE] = -EINVAL,
[RTN_UNREACHABLE] = -EHOSTUNREACH,
[RTN_PROHIBIT] = -EACCES,
[RTN_THROW] = -EAGAIN,
[RTN_NAT] = -EINVAL,
[RTN_XRESOLVE] = -EINVAL,
-@@ -1068,6 +1083,10 @@ static void ip6_rt_init_dst_reject(struc
+@@ -1069,6 +1084,10 @@ static void ip6_rt_init_dst_reject(struc
rt->dst.output = ip6_pkt_prohibit_out;
rt->dst.input = ip6_pkt_prohibit;
break;
case RTN_THROW:
case RTN_UNREACHABLE:
default:
-@@ -4557,6 +4576,17 @@ static int ip6_pkt_prohibit_out(struct n
+@@ -4561,6 +4580,17 @@ static int ip6_pkt_prohibit_out(struct n
return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_OUTNOROUTES);
}
/*
* Allocate a dst for local (unicast / anycast) address.
*/
-@@ -5044,7 +5074,8 @@ static int rtm_to_fib6_config(struct sk_
+@@ -5048,7 +5078,8 @@ static int rtm_to_fib6_config(struct sk_
if (rtm->rtm_type == RTN_UNREACHABLE ||
rtm->rtm_type == RTN_BLACKHOLE ||
rtm->rtm_type == RTN_PROHIBIT ||
cfg->fc_flags |= RTF_REJECT;
if (rtm->rtm_type == RTN_LOCAL)
-@@ -6291,6 +6322,8 @@ static int ip6_route_dev_notify(struct n
+@@ -6295,6 +6326,8 @@ static int ip6_route_dev_notify(struct n
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
net->ipv6.ip6_prohibit_entry->dst.dev = dev;
net->ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(dev);
net->ipv6.ip6_blk_hole_entry->dst.dev = dev;
net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev);
#endif
-@@ -6302,6 +6335,7 @@ static int ip6_route_dev_notify(struct n
+@@ -6306,6 +6339,7 @@ static int ip6_route_dev_notify(struct n
in6_dev_put_clear(&net->ipv6.ip6_null_entry->rt6i_idev);
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
in6_dev_put_clear(&net->ipv6.ip6_prohibit_entry->rt6i_idev);
in6_dev_put_clear(&net->ipv6.ip6_blk_hole_entry->rt6i_idev);
#endif
}
-@@ -6493,6 +6527,8 @@ static int __net_init ip6_route_net_init
+@@ -6497,6 +6531,8 @@ static int __net_init ip6_route_net_init
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
net->ipv6.fib6_has_custom_rules = false;
net->ipv6.ip6_prohibit_entry = kmemdup(&ip6_prohibit_entry_template,
sizeof(*net->ipv6.ip6_prohibit_entry),
GFP_KERNEL);
-@@ -6503,11 +6539,21 @@ static int __net_init ip6_route_net_init
+@@ -6507,11 +6543,21 @@ static int __net_init ip6_route_net_init
ip6_template_metrics, true);
INIT_LIST_HEAD(&net->ipv6.ip6_prohibit_entry->rt6i_uncached);
net->ipv6.ip6_blk_hole_entry->dst.ops = &net->ipv6.ip6_dst_ops;
dst_init_metrics(&net->ipv6.ip6_blk_hole_entry->dst,
ip6_template_metrics, true);
-@@ -6534,6 +6580,8 @@ out:
+@@ -6538,6 +6584,8 @@ out:
return ret;
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
out_ip6_prohibit_entry:
kfree(net->ipv6.ip6_prohibit_entry);
out_ip6_null_entry:
-@@ -6553,6 +6601,7 @@ static void __net_exit ip6_route_net_exi
+@@ -6557,6 +6605,7 @@ static void __net_exit ip6_route_net_exi
kfree(net->ipv6.ip6_null_entry);
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
kfree(net->ipv6.ip6_prohibit_entry);
kfree(net->ipv6.ip6_blk_hole_entry);
#endif
dst_entries_destroy(&net->ipv6.ip6_dst_ops);
-@@ -6636,6 +6685,9 @@ void __init ip6_route_init_special_entri
+@@ -6640,6 +6689,9 @@ void __init ip6_route_init_special_entri
init_net.ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
init_net.ipv6.ip6_blk_hole_entry->dst.dev = init_net.loopback_dev;
init_net.ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);