ceph/src/spdk/dpdk/lib/librte_net/rte_esp.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2016 Mellanox Technologies, Ltd
   3  */
   4
   5 #ifndef _RTE_ESP_H_
   6 #define _RTE_ESP_H_
   7
   8 /**
   9  * @file
  10  *
  11  * ESP-related defines
  12  */
  13
  14 #include <rte_byteorder.h>
  15
  16 #ifdef __cplusplus
  17 extern "C" {
  18 #endif
  19
  20 /**
  21  * ESP Header
  22  */
  23 struct esp_hdr {
  24         rte_be32_t spi;  /**< Security Parameters Index */
  25         rte_be32_t seq;  /**< packet sequence number */
  26 } __attribute__((__packed__));
  27
  28 /**
  29  * ESP Trailer
  30  */
  31 struct esp_tail {
  32         uint8_t pad_len;     /**< number of pad bytes (0-255) */
  33         uint8_t next_proto;  /**< IPv4 or IPv6 or next layer header */
  34 } __attribute__((__packed__));
  35
  36 #ifdef __cplusplus
  37 }
  38 #endif
  39
  40 #endif /* RTE_ESP_H_ */