ceph/src/seastar/dpdk/lib/librte_net/rte_tcp.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 1982, 1986, 1990, 1993
   3  *      The Regents of the University of California.
   4  * Copyright(c) 2010-2014 Intel Corporation.
   5  * All rights reserved.
   6  */
   7
   8 #ifndef _RTE_TCP_H_
   9 #define _RTE_TCP_H_
  10
  11 /**
  12  * @file
  13  *
  14  * TCP-related defines
  15  */
  16
  17 #include <stdint.h>
  18
  19 #ifdef __cplusplus
  20 extern "C" {
  21 #endif
  22
  23 /**
  24  * TCP Header
  25  */
  26 struct tcp_hdr {
  27         uint16_t src_port;  /**< TCP source port. */
  28         uint16_t dst_port;  /**< TCP destination port. */
  29         uint32_t sent_seq;  /**< TX data sequence number. */
  30         uint32_t recv_ack;  /**< RX data acknowledgement sequence number. */
  31         uint8_t  data_off;  /**< Data offset. */
  32         uint8_t  tcp_flags; /**< TCP flags */
  33         uint16_t rx_win;    /**< RX flow control window. */
  34         uint16_t cksum;     /**< TCP checksum. */
  35         uint16_t tcp_urp;   /**< TCP urgent pointer, if any. */
  36 } __attribute__((__packed__));
  37
  38 #ifdef __cplusplus
  39 }
  40 #endif
  41
  42 #endif /* RTE_TCP_H_ */