net: extract port range fields from fl_flow_key

So it can be used for port range filter offloading.
Co-developed-by: Volodymyr Mytnyk <volodymyr.mytnyk@plvision.eu>
Signed-off-by: Volodymyr Mytnyk <volodymyr.mytnyk@plvision.eu>
Signed-off-by: Maksym Glubokiy <maksym.glubokiy@plvision.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/flow_dissector.h

@@ -178,6 +178,22 @@ struct flow_dissector_key_ports {
 	};
 };
 
+/**
+ * struct flow_dissector_key_ports_range
+ * @tp: port number from packet
+ * @tp_min: min port number in range
+ * @tp_max: max port number in range
+ */
+struct flow_dissector_key_ports_range {
+	union {
+		struct flow_dissector_key_ports tp;
+		struct {
+			struct flow_dissector_key_ports tp_min;
+			struct flow_dissector_key_ports tp_max;
+		};
+	};
+};
+
 /**
  * flow_dissector_key_icmp:
  *		type: ICMP type

include/net/flow_offload.h

@@ -48,6 +48,10 @@ struct flow_match_ports {
 	struct flow_dissector_key_ports *key, *mask;
 };
 
+struct flow_match_ports_range {
+	struct flow_dissector_key_ports_range *key, *mask;
+};
+
 struct flow_match_icmp {
 	struct flow_dissector_key_icmp *key, *mask;
 };
@@ -94,6 +98,8 @@ void flow_rule_match_ip(const struct flow_rule *rule,
 			struct flow_match_ip *out);
 void flow_rule_match_ports(const struct flow_rule *rule,
 			   struct flow_match_ports *out);
+void flow_rule_match_ports_range(const struct flow_rule *rule,
+				 struct flow_match_ports_range *out);
 void flow_rule_match_tcp(const struct flow_rule *rule,
 			 struct flow_match_tcp *out);
 void flow_rule_match_icmp(const struct flow_rule *rule,

net/core/flow_offload.c

@@ -125,6 +125,13 @@ void flow_rule_match_ports(const struct flow_rule *rule,
 }
 EXPORT_SYMBOL(flow_rule_match_ports);
 
+void flow_rule_match_ports_range(const struct flow_rule *rule,
+				 struct flow_match_ports_range *out)
+{
+	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_PORTS_RANGE, out);
+}
+EXPORT_SYMBOL(flow_rule_match_ports_range);
+
 void flow_rule_match_tcp(const struct flow_rule *rule,
 			 struct flow_match_tcp *out)
 {

net/sched/cls_flower.c

@@ -63,13 +63,7 @@ struct fl_flow_key {
 	struct flow_dissector_key_ip ip;
 	struct flow_dissector_key_ip enc_ip;
 	struct flow_dissector_key_enc_opts enc_opts;
-	union {
-		struct flow_dissector_key_ports tp;
-		struct {
-			struct flow_dissector_key_ports tp_min;
-			struct flow_dissector_key_ports tp_max;
-		};
-	} tp_range;
+	struct flow_dissector_key_ports_range tp_range;
 	struct flow_dissector_key_ct ct;
 	struct flow_dissector_key_hash hash;
 	struct flow_dissector_key_num_of_vlans num_of_vlans;