ipsec-types: Add new mode for IP-TFS

Added at the end as the numeric mode is e.g. used in SQL databases.

src/libstrongswan/ipsec/ipsec_types.c

@@ -16,12 +16,13 @@
 
 #include "ipsec_types.h"
 
-ENUM(ipsec_mode_names, MODE_TRANSPORT, MODE_DROP,
+ENUM(ipsec_mode_names, MODE_TRANSPORT, MODE_IPTFS,
 	"TRANSPORT",
 	"TUNNEL",
 	"BEET",
 	"PASS",
-	"DROP"
+	"DROP",
+	"IPTFS",
 );
 
 ENUM(policy_dir_names, POLICY_IN, POLICY_FWD,

src/libstrongswan/ipsec/ipsec_types.h

@@ -51,7 +51,9 @@ enum ipsec_mode_t {
 	/** passthrough policy for traffic without an IPsec SA */
 	MODE_PASS,
 	/** drop policy discarding traffic */
-	MODE_DROP
+	MODE_DROP,
+	/** IP-TFS mode, tunnel mode with aggregation/fragmentation */
+	MODE_IPTFS,
 };
 
 /**