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-rw-r--r--net/ipv4/route.c45
1 files changed, 8 insertions, 37 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 02d81d79deeb..bba150fdd265 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2687,44 +2687,15 @@ out:
return rth;
}
-static struct dst_entry *ipv4_blackhole_dst_check(struct dst_entry *dst, u32 cookie)
-{
- return NULL;
-}
-
-static unsigned int ipv4_blackhole_mtu(const struct dst_entry *dst)
-{
- unsigned int mtu = dst_metric_raw(dst, RTAX_MTU);
-
- return mtu ? : dst->dev->mtu;
-}
-
-static void ipv4_rt_blackhole_update_pmtu(struct dst_entry *dst, struct sock *sk,
- struct sk_buff *skb, u32 mtu,
- bool confirm_neigh)
-{
-}
-
-static void ipv4_rt_blackhole_redirect(struct dst_entry *dst, struct sock *sk,
- struct sk_buff *skb)
-{
-}
-
-static u32 *ipv4_rt_blackhole_cow_metrics(struct dst_entry *dst,
- unsigned long old)
-{
- return NULL;
-}
-
static struct dst_ops ipv4_dst_blackhole_ops = {
- .family = AF_INET,
- .check = ipv4_blackhole_dst_check,
- .mtu = ipv4_blackhole_mtu,
- .default_advmss = ipv4_default_advmss,
- .update_pmtu = ipv4_rt_blackhole_update_pmtu,
- .redirect = ipv4_rt_blackhole_redirect,
- .cow_metrics = ipv4_rt_blackhole_cow_metrics,
- .neigh_lookup = ipv4_neigh_lookup,
+ .family = AF_INET,
+ .default_advmss = ipv4_default_advmss,
+ .neigh_lookup = ipv4_neigh_lookup,
+ .check = dst_blackhole_check,
+ .cow_metrics = dst_blackhole_cow_metrics,
+ .update_pmtu = dst_blackhole_update_pmtu,
+ .redirect = dst_blackhole_redirect,
+ .mtu = dst_blackhole_mtu,
};
struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_orig)