net: add ESP trailer structure definition

define esp_tail structure.

Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Acked-by: Mohammad Abdul Awal <mohammad.abdul.awal@intel.com>
Acked-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>

diff --git a/lib/librte_net/rte_esp.h b/lib/librte_net/rte_esp.h
index f77ec2e..8e1b3d2 100644 (file)
--- a/lib/librte_net/rte_esp.h
+++ b/lib/librte_net/rte_esp.h
@@ -11,7 +11,7 @@
  * ESP-related defines
  */
 
-#include <stdint.h>
+#include <rte_byteorder.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -25,6 +25,14 @@ struct esp_hdr {
        rte_be32_t seq;  /**< packet sequence number */
 } __attribute__((__packed__));
 
+/**
+ * ESP Trailer
+ */
+struct esp_tail {
+       uint8_t pad_len;     /**< number of pad bytes (0-255) */
+       uint8_t next_proto;  /**< IPv4 or IPv6 or next layer header */
+} __attribute__((__packed__));
+
 #ifdef __cplusplus
 }
 #endif