1 files changed, 56 insertions, 2 deletions
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index b28f9e93f574..9eb85858d764 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -41,8 +41,62 @@ print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple,
             const struct nf_conntrack_l3proto *l3proto,
             const struct nf_conntrack_l4proto *l4proto)
 {
-	l3proto->print_tuple(s, tuple);
-	l4proto->print_tuple(s, tuple);
+	switch (l3proto->l3proto) {
+	case NFPROTO_IPV4:
+		seq_printf(s, "src=%pI4 dst=%pI4 ",
+			   &tuple->src.u3.ip, &tuple->dst.u3.ip);
+		break;
+	case NFPROTO_IPV6:
+		seq_printf(s, "src=%pI6 dst=%pI6 ",
+			   tuple->src.u3.ip6, tuple->dst.u3.ip6);
+		break;
+	default:
+		break;
+	}
+
+	switch (l4proto->l4proto) {
+	case IPPROTO_ICMP:
+		seq_printf(s, "type=%u code=%u id=%u ",
+			   tuple->dst.u.icmp.type,
+			   tuple->dst.u.icmp.code,
+			   ntohs(tuple->src.u.icmp.id));
+		break;
+	case IPPROTO_TCP:
+		seq_printf(s, "sport=%hu dport=%hu ",
+			   ntohs(tuple->src.u.tcp.port),
+			   ntohs(tuple->dst.u.tcp.port));
+		break;
+	case IPPROTO_UDPLITE: /* fallthrough */
+	case IPPROTO_UDP:
+		seq_printf(s, "sport=%hu dport=%hu ",
+			   ntohs(tuple->src.u.udp.port),
+			   ntohs(tuple->dst.u.udp.port));
+
+		break;
+	case IPPROTO_DCCP:
+		seq_printf(s, "sport=%hu dport=%hu ",
+			   ntohs(tuple->src.u.dccp.port),
+			   ntohs(tuple->dst.u.dccp.port));
+		break;
+	case IPPROTO_SCTP:
+		seq_printf(s, "sport=%hu dport=%hu ",
+			   ntohs(tuple->src.u.sctp.port),
+			   ntohs(tuple->dst.u.sctp.port));
+		break;
+	case IPPROTO_ICMPV6:
+		seq_printf(s, "type=%u code=%u id=%u ",
+			   tuple->dst.u.icmp.type,
+			   tuple->dst.u.icmp.code,
+			   ntohs(tuple->src.u.icmp.id));
+		break;
+	case IPPROTO_GRE:
+		seq_printf(s, "srckey=0x%x dstkey=0x%x ",
+			   ntohs(tuple->src.u.gre.key),
+			   ntohs(tuple->dst.u.gre.key));
+		break;
+	default:
+		break;
+	}
 }
 EXPORT_SYMBOL_GPL(print_tuple);