+ /* tun encrypt arcs and feature nodes */
+ u32 esp4_encrypt_tun_feature_index;
+ u32 esp6_encrypt_tun_feature_index;
+
+ /* tun nodes to drop packets when no crypto alg set on outbound SA */
+ u32 esp4_no_crypto_tun_feature_index;
+ u32 esp6_no_crypto_tun_feature_index;
+