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//////////////////////////////////////////////////////////////////////////////////

// Company:

// Engineer:        IK

//

// Create Date:     11:35:01 03/21/2013

// Design Name:

// Module Name:     pcap_pkg

// Project Name:

// Target Devices:

// Tool versions:

// Description:

//

//

// Revision:

// Revision 0.01 - File Created,

//

//////////////////////////////////////////////////////////////////////////////////

package pcap_pkg;

//////////////////////////////////////////////////////////////////////////////////

//

localparam pcap_hdr_sz = 6*4; // 6DW

typedef struct packed {

    bit [31:0] magic_number;   /* magic number */

    bit [15:0] version_major;  /* major version number */

    bit [15:0] version_minor;  /* minor version number */

    bit [31:0] thiszone;       /* GMT to local correction */

    bit [31:0] sigfigs;        /* accuracy of timestamps */

    bit [31:0] snaplen;        /* max length of captured packets, in octets */

    bit [31:0] network;        /* data link type */

} pcap_hdr_t;

typedef union packed {

    pcap_hdr_t pcap_hdr;

    bit [0:pcap_hdr_sz-1] [7:0] data;

    //bit [pcap_hdr_sz-1:0] data;

} u_pcap_hdr_t;

//

localparam pcaprec_hdr_sz = 4*4; // 4DW

typedef struct packed {

    bit [31:0] ts_sec;         /* timestamp seconds */

    bit [31:0] ts_usec;        /* timestamp microseconds */

    bit [31:0] incl_len;       /* number of octets of packet saved in file */

    bit [31:0] orig_len;       /* actual length of packet */

} pcaprec_hdr_t;

typedef union packed {

    pcaprec_hdr_t pcaprec_hdr;

    bit [0:pcaprec_hdr_sz-1] [7:0] data;

} u_pcaprec_hdr_t;

//////////////////////////////////////////////////////////////////////////////////

endpackage : pcap_pkg