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-rw-r--r--net/ipv4/route.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 351dc4e85242..6ed6603c2f6d 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2707,6 +2707,11 @@ static struct dst_entry *ipv4_blackhole_dst_check(struct dst_entry *dst, u32 coo
return NULL;
}
+static unsigned int ipv4_blackhole_default_mtu(const struct dst_entry *dst)
+{
+ return 0;
+}
+
static void ipv4_rt_blackhole_update_pmtu(struct dst_entry *dst, u32 mtu)
{
}
@@ -2716,6 +2721,8 @@ static struct dst_ops ipv4_dst_blackhole_ops = {
.protocol = cpu_to_be16(ETH_P_IP),
.destroy = ipv4_dst_destroy,
.check = ipv4_blackhole_dst_check,
+ .default_mtu = ipv4_blackhole_default_mtu,
+ .default_advmss = ipv4_default_advmss,
.update_pmtu = ipv4_rt_blackhole_update_pmtu,
};