cne_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) 2019-2022 Intel Corporation.
 * All rights reserved.
 */
 
#ifndef _CNE_TCP_H_
#define _CNE_TCP_H_
 
#include <stdint.h>
 
#include <cne_byteorder.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct cne_tcp_hdr {
    cne_be16_t src_port; 
    cne_be16_t dst_port; 
    cne_be32_t sent_seq; 
    cne_be32_t recv_ack; 
    uint8_t data_off;    
    uint8_t tcp_flags;   
    cne_be16_t rx_win;   
    cne_be16_t cksum;    
    cne_be16_t tcp_urp;  
} __attribute__((__packed__));
 
#define TCP_CWR_FLAG 0x80 
#define TCP_ECE_FLAG 0x40 
#define TCP_URG_FLAG 0x20 
#define TCP_ACK_FLAG 0x10 
#define TCP_PSH_FLAG 0x08 
#define TCP_RST_FLAG 0x04 
#define TCP_SYN_FLAG 0x02 
#define TCP_FIN_FLAG 0x01 
#ifdef __cplusplus
}
#endif
 
#endif /* CNE_TCP_H_ */