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/*-----------------------------------------------------------------\

|  DESCRIPTION:                                                    |

|  tb_defs.v:  Definitions of symbolic constants                   |

|              used as task arguments in user-callable             |

|              tasks                                               |

|                                                                  |

|  Instantiated modules: none                                      |

|  Included files: none                                            |

\-----------------------------------------------------------------*/

// Global defines useful for setting arguments

//  of testbench tasks

/*******************************************************************/

// Parameters in port initialization task

// MII types

`define RMII        0 // Reduced MII

`define FULL_MII    1 // Full MII

`define GMII        2 // Gigabit MII

`define SMII        3 // serial MII

`define CUSTOM      4 // custom parallel interface

`define SERDES      5 // Gigabit Ethernet SERDES interface

// duplex status

`define HALF_DUPLEX 0

`define FULL_DUPLEX 1

// Port speed

`define SPEED_10    0 // 10 Mb/s

`define SPEED_100   1 // 100 Mb/s

`define SPEED_1000  2 // 1000 Mb/s

// Options in handling received PAUSE frames

// (used as arguments in task "set_pause_options")

`define NORMAL_PAUSE_HANDLING        0

`define ADD_TO_PAUSE_INTERVAL        1

`define IGNORE_RECEIVED_PAUSE        2

// Flow types in task "set_flow_type"

`define L2_UNICAST    0 // Layer-2 unicast flow

`define L2_BROADCAST  1 // Layer-2 broadcast

`define L2_MULTICAST  2 // Layer-2 multicast

`define L3_UNICAST    3 // Layer-3 unicast flow

`define L3_MULTICAST  4 // Layer-3 multicast flow

`define L4_UNICAST    5 // Layer-4 unicast flow

`define L4_MULTICAST  6 // Layer-4 multicast flow

// L2 protocol choices

// used as argument in task "set_L2_protocol"

`define UNTAGGED_ETHERNET   0 // Ethernet frames without tagging

`define   TAGGED_ETHERNET   1 // Ethernet frames with tagging

`define UNTAGGED_802        2 // 802.3 frames without tagging

`define   TAGGED_802        3 // 802.3 frames with tagging

`define BPDU                4 // 802.1d Bridge Protocol Data Units

// Options for generation of MAC addresses, VLAN TCI,

// and packet size in packet sequences

`define CONSTANT_VALUE         0  // constant value in all packets

`define INCREMENTAL_PATTERN    1  // increasing or decreasing pattern

`define RANDOM_PATTERN         2  // randomly generated value

// L3 protocol choices

// used as argument in task "set_L3_protocol"

`define IGMP_v1             1 // IGMP Version 1

`define IGMP_v2             2 // IGMP Version 2

`define IP_v4               4 // IP Version 4

`define IP_v6               6 // IP Version 6

`define ICMP_v4             7 // ICMP on IP Version 4

`define ARP                 8 // TCP/IP ARP

`define IPX                 9 // IPX

// L4 protocol choices

// used as argument in task "set_L4_protocol"

`define TCP                 0

`define UDP                 1

// Options for setting paylod of transmitted packets

// used in task "set_payload_type"

`define INCREASING_PAYLOAD  0 // increasing sequence of bytes (default)

`define DECREASING_PAYLOAD  1 // decreasing sequence of bytes

`define RANDOM_PAYLOAD      2 // Randomly generated payload

`define USER_PAYLOAD        3 // user-supplied payload

// Options for CRC generation

// used in task "set_crc_option"

`define GOOD_CRC              0 // good CRC

`define BAD_CRC               1 // transmit bad CRC

`define NO_CRC                2 // do not insert CRC

`define USER_DEFINED_CRC      3 // user-defined value

// options for L3 and L4 cheksum generation

// used in tasks "set_L3_checksum_option" and

// "set_L4_checksum_option

`define GOOD_CHECKSUM         0 // insert good checksum

`define BAD_CHECKSUM          1 // insert bad checksum

`define NO_CHECKSUM           2 // transmit checksum of all zeroes

`define USER_DEFINED_CHECKSUM 3 // user-defined value

// blocking/non-blocking option in transmit tasks

`define BLOCKING              1 // task blocks until end of transmission

`define NON_BLOCKING          0 // task returns immediately

// Transmit states returned by task "get_transmit_state"

`define TRANSMIT_FRAME        1 // port currently transmitting a frame

`define COLLISION_STATE       2 // port resolving a collision

`define TRANSMIT_SEQUENCE     3 // Transmission of packet sequence in progress

`define IDLE_STATE            0 // idle

//States returned by task "get_receive_state"

`define RECEIVE_FRAME         1 // Port receiving a frame

// event types in task "wait_for_event"

`define START_OF_XMIT_FRAME        1 // start of transmission of next frame

`define END_OF_XMIT_SEQUENCE       2 // end of packet sequence in progress

`define END_OF_XMIT_FRAME          3 // end of current frame in progress

`define START_OF_RCV_FRAME         4 // start of frame reception

`define END_OF_RCV_FRAME           5 // end of frame reception

`define COLLISION_EVENT            6 // collision event

`define REPEATED_COLLISION_EVENT   7 // repeated collisions

`define DUMMY                      0 // Dummy argument for tasks

//