1 files changed, 59 insertions, 59 deletions

diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index 1b5eae57bc90..8f47f4e78d32 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -732,6 +732,57 @@ static bool skb_nfct_cached(struct net *net,
 }
 
 #if IS_ENABLED(CONFIG_NF_NAT)
+static void ovs_nat_update_key(struct sw_flow_key *key,
+			       const struct sk_buff *skb,
+			       enum nf_nat_manip_type maniptype)
+{
+	if (maniptype == NF_NAT_MANIP_SRC) {
+		__be16 src;
+
+		key->ct_state |= OVS_CS_F_SRC_NAT;
+		if (key->eth.type == htons(ETH_P_IP))
+			key->ipv4.addr.src = ip_hdr(skb)->saddr;
+		else if (key->eth.type == htons(ETH_P_IPV6))
+			memcpy(&key->ipv6.addr.src, &ipv6_hdr(skb)->saddr,
+			       sizeof(key->ipv6.addr.src));
+		else
+			return;
+
+		if (key->ip.proto == IPPROTO_UDP)
+			src = udp_hdr(skb)->source;
+		else if (key->ip.proto == IPPROTO_TCP)
+			src = tcp_hdr(skb)->source;
+		else if (key->ip.proto == IPPROTO_SCTP)
+			src = sctp_hdr(skb)->source;
+		else
+			return;
+
+		key->tp.src = src;
+	} else {
+		__be16 dst;
+
+		key->ct_state |= OVS_CS_F_DST_NAT;
+		if (key->eth.type == htons(ETH_P_IP))
+			key->ipv4.addr.dst = ip_hdr(skb)->daddr;
+		else if (key->eth.type == htons(ETH_P_IPV6))
+			memcpy(&key->ipv6.addr.dst, &ipv6_hdr(skb)->daddr,
+			       sizeof(key->ipv6.addr.dst));
+		else
+			return;
+
+		if (key->ip.proto == IPPROTO_UDP)
+			dst = udp_hdr(skb)->dest;
+		else if (key->ip.proto == IPPROTO_TCP)
+			dst = tcp_hdr(skb)->dest;
+		else if (key->ip.proto == IPPROTO_SCTP)
+			dst = sctp_hdr(skb)->dest;
+		else
+			return;
+
+		key->tp.dst = dst;
+	}
+}
+
 /* Modelled after nf_nat_ipv[46]_fn().
  * range is only used for new, uninitialized NAT state.
  * Returns either NF_ACCEPT or NF_DROP.
@@ -739,7 +790,7 @@ static bool skb_nfct_cached(struct net *net,
 static int ovs_ct_nat_execute(struct sk_buff *skb, struct nf_conn *ct,
 			      enum ip_conntrack_info ctinfo,
 			      const struct nf_nat_range2 *range,
-			      enum nf_nat_manip_type maniptype)
+			      enum nf_nat_manip_type maniptype, struct sw_flow_key *key)
 {
 	int hooknum, nh_off, err = NF_ACCEPT;
 
@@ -811,58 +862,11 @@ static int ovs_ct_nat_execute(struct sk_buff *skb, struct nf_conn *ct,
 push:
 	skb_push_rcsum(skb, nh_off);
 
-	return err;
-}
-
-static void ovs_nat_update_key(struct sw_flow_key *key,
-			       const struct sk_buff *skb,
-			       enum nf_nat_manip_type maniptype)
-{
-	if (maniptype == NF_NAT_MANIP_SRC) {
-		__be16 src;
-
-		key->ct_state |= OVS_CS_F_SRC_NAT;
-		if (key->eth.type == htons(ETH_P_IP))
-			key->ipv4.addr.src = ip_hdr(skb)->saddr;
-		else if (key->eth.type == htons(ETH_P_IPV6))
-			memcpy(&key->ipv6.addr.src, &ipv6_hdr(skb)->saddr,
-			       sizeof(key->ipv6.addr.src));
-		else
-			return;
-
-		if (key->ip.proto == IPPROTO_UDP)
-			src = udp_hdr(skb)->source;
-		else if (key->ip.proto == IPPROTO_TCP)
-			src = tcp_hdr(skb)->source;
-		else if (key->ip.proto == IPPROTO_SCTP)
-			src = sctp_hdr(skb)->source;
-		else
-			return;
-
-		key->tp.src = src;
-	} else {
-		__be16 dst;
-
-		key->ct_state |= OVS_CS_F_DST_NAT;
-		if (key->eth.type == htons(ETH_P_IP))
-			key->ipv4.addr.dst = ip_hdr(skb)->daddr;
-		else if (key->eth.type == htons(ETH_P_IPV6))
-			memcpy(&key->ipv6.addr.dst, &ipv6_hdr(skb)->daddr,
-			       sizeof(key->ipv6.addr.dst));
-		else
-			return;
-
-		if (key->ip.proto == IPPROTO_UDP)
-			dst = udp_hdr(skb)->dest;
-		else if (key->ip.proto == IPPROTO_TCP)
-			dst = tcp_hdr(skb)->dest;
-		else if (key->ip.proto == IPPROTO_SCTP)
-			dst = sctp_hdr(skb)->dest;
-		else
-			return;
+	/* Update the flow key if NAT successful. */
+	if (err == NF_ACCEPT)
+		ovs_nat_update_key(key, skb, maniptype);
 
-		key->tp.dst = dst;
-	}
+	return err;
 }
 
 /* Returns NF_DROP if the packet should be dropped, NF_ACCEPT otherwise. */
@@ -904,7 +908,7 @@ static int ovs_ct_nat(struct net *net, struct sw_flow_key *key,
 	} else {
 		return NF_ACCEPT; /* Connection is not NATed. */
 	}
-	err = ovs_ct_nat_execute(skb, ct, ctinfo, &info->range, maniptype);
+	err = ovs_ct_nat_execute(skb, ct, ctinfo, &info->range, maniptype, key);
 
 	if (err == NF_ACCEPT && ct->status & IPS_DST_NAT) {
 		if (ct->status & IPS_SRC_NAT) {
@@ -914,17 +918,13 @@ static int ovs_ct_nat(struct net *net, struct sw_flow_key *key,
 				maniptype = NF_NAT_MANIP_SRC;
 
 			err = ovs_ct_nat_execute(skb, ct, ctinfo, &info->range,
-						 maniptype);
+						 maniptype, key);
 		} else if (CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL) {
 			err = ovs_ct_nat_execute(skb, ct, ctinfo, NULL,
-						 NF_NAT_MANIP_SRC);
+						 NF_NAT_MANIP_SRC, key);
 		}
 	}
 
-	/* Mark NAT done if successful and update the flow key. */
-	if (err == NF_ACCEPT)
-		ovs_nat_update_key(key, skb, maniptype);
-
 	return err;
 }
 #else /* !CONFIG_NF_NAT */