rte_tcp.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 1982, 1986, 1990, 1993
 *      The Regents of the University of California.
 * Copyright(c) 2010-2014 Intel Corporation.
 * All rights reserved.
 */

#ifndef _RTE_TCP_H_
#define _RTE_TCP_H_

#include <stdint.h>

#include <rte_byteorder.h>

#ifdef __cplusplus
extern "C" {
#endif

struct rte_tcp_hdr {
    rte_be16_t src_port; 
    rte_be16_t dst_port; 
    rte_be32_t sent_seq; 
    rte_be32_t recv_ack; 
    uint8_t  data_off;   
    uint8_t  tcp_flags;  
    rte_be16_t rx_win;   
    rte_be16_t cksum;    
    rte_be16_t tcp_urp;  
} __attribute__((__packed__));

#define RTE_TCP_CWR_FLAG 0x80 
#define RTE_TCP_ECE_FLAG 0x40 
#define RTE_TCP_URG_FLAG 0x20 
#define RTE_TCP_ACK_FLAG 0x10 
#define RTE_TCP_PSH_FLAG 0x08 
#define RTE_TCP_RST_FLAG 0x04 
#define RTE_TCP_SYN_FLAG 0x02 
#define RTE_TCP_FIN_FLAG 0x01 
#ifdef __cplusplus
}
#endif

#endif /* RTE_TCP_H_ */