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/**********************************
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/**********************************
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pck_dst_gen
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pck_dst_gen
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*********************************/
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*********************************/
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module pck_dst_gen
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import pronoc_pkg::*;
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#(
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parameter NE=4,
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parameter TRAFFIC = "RANDOM",
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parameter MAX_PCK_NUM = 10000,
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parameter HOTSPOT_NODE_NUM = 4,
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parameter MCAST_TRAFFIC_RATIO =50,
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parameter MCAST_PCK_SIZ_MIN = 2,
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parameter MCAST_PCK_SIZ_MAX = 4,
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parameter PCK_SIZw=5,
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parameter MIN_PACKET_SIZE=5,
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parameter MAX_PACKET_SIZE=5,
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parameter PCK_SIZ_SEL="random-discrete",
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parameter DISCRETE_PCK_SIZ_NUM=1
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)(
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en,
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current_e_addr,
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core_num,
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pck_number,
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dest_e_addr,
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clk,
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reset,
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valid_dst,
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hotspot_info,
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custom_traffic_t,
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custom_traffic_en,
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pck_size_o,
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rnd_discrete
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module pck_dst_gen
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);
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localparam ADDR_DIMENSION = (TOPOLOGY == "MESH" || TOPOLOGY == "TORUS") ? 2 : 1; // "RING" and FULLY_CONNECT
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localparam NEw= log2(NE),
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PCK_CNTw = log2(MAX_PCK_NUM+1),
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HOTSPOT_NUM= (TRAFFIC=="HOTSPOT")? HOTSPOT_NODE_NUM : 1;
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input reset,clk,en;
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input [NEw-1 : 0] core_num;
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input [PCK_CNTw-1 : 0] pck_number;
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input [EAw-1 : 0] current_e_addr;
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output [DAw-1 : 0] dest_e_addr;
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output valid_dst;
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input [NEw-1 : 0] custom_traffic_t;
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input custom_traffic_en;
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output [PCK_SIZw-1:0] pck_size_o;
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input rnd_discrete_t rnd_discrete [DISCRETE_PCK_SIZ_NUM-1: 0];
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input hotspot_t hotspot_info [HOTSPOT_NUM-1 : 0];
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wire [EAw-1 : 0] unicast_dest_e_addr;
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wire [PCK_SIZw-1 : 0] pck_size_uni;
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pck_dst_gen_unicast #(
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.NE(NE),
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.TRAFFIC(TRAFFIC),
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.MAX_PCK_NUM(MAX_PCK_NUM),
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.HOTSPOT_NODE_NUM(HOTSPOT_NODE_NUM)
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)
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unicast
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(
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.en (en ),
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.current_e_addr (current_e_addr ),
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.core_num (core_num ),
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.pck_number (pck_number ),
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.dest_e_addr (unicast_dest_e_addr),
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.clk (clk ),
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.reset (reset ),
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.valid_dst (valid_dst ),
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.hotspot_info (hotspot_info ),
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.custom_traffic_t (custom_traffic_t),
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.custom_traffic_en(custom_traffic_en)
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);
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pck_size_gen #(
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.PCK_SIZw(PCK_SIZw),
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.MIN(MIN_PACKET_SIZE),
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.MAX(MAX_PACKET_SIZE),
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.PCK_SIZ_SEL(PCK_SIZ_SEL),
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.DISCRETE_PCK_SIZ_NUM(DISCRETE_PCK_SIZ_NUM)
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)
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unicast_pck_size
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(
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.reset(reset),
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.clk(clk),
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.en(en),
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.pck_size(pck_size_uni) ,
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.rnd_discrete(rnd_discrete)
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);
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generate
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if(CAST_TYPE == "UNICAST") begin :uni
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assign dest_e_addr = unicast_dest_e_addr;
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assign pck_size_o = pck_size_uni;
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end else begin :multi
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reg [DAw-1 : 0] multicast_dest_e_addr,temp;
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reg [6: 0] rnd_reg;
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wire [PCK_SIZw-1 : 0] pck_size_mcast;
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reg [PCK_SIZw-1 : 0] pck_siz_tmp;
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wire [NEw-1 : 0] unicast_id_num;
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endp_addr_decoder #(
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.T1(T1),
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.T2(T2),
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.T3(T3),
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.NE(NE),
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.EAw(EAw),
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.TOPOLOGY(TOPOLOGY)
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)enc
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(
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.code(unicast_dest_e_addr),
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.id(unicast_id_num)
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);
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pck_size_gen #(
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.PCK_SIZw(PCK_SIZw),
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.MIN(MCAST_PCK_SIZ_MIN),
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.MAX(MCAST_PCK_SIZ_MAX),
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.PCK_SIZ_SEL("random-range"),
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.DISCRETE_PCK_SIZ_NUM(DISCRETE_PCK_SIZ_NUM)
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)
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mcast_pck_size
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(
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.reset(reset),
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.clk(clk),
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.en(en),
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.pck_size(pck_size_mcast) ,
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.rnd_discrete(rnd_discrete)
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);
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always @(posedge clk ) begin
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if(en | reset) begin
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rnd_reg <= $urandom_range(99,0);
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end
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end
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if(CAST_TYPE == "MULTICAST_FULL") begin :mful
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always @( * ) begin
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multicast_dest_e_addr = {DAw{1'b0}};
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temp={DAw{1'b0}};
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temp[unicast_id_num]=1'b1;
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pck_siz_tmp= pck_size_uni;
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if(rnd_reg >= MCAST_TRAFFIC_RATIO) begin
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multicast_dest_e_addr[unicast_id_num]=1'b1;
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end
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else begin
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multicast_dest_e_addr = $urandom();
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pck_siz_tmp=pck_size_mcast;
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end
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if(SELF_LOOP_EN == "NO") multicast_dest_e_addr[core_num]=1'b0;
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end
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assign dest_e_addr = (multicast_dest_e_addr=={DAw{1'b0}} )? temp : multicast_dest_e_addr ;
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assign pck_size_o = pck_siz_tmp;
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end else if(CAST_TYPE == "MULTICAST_PARTIAL") begin :mpar
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always @( * ) begin
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multicast_dest_e_addr = {DAw{1'b0}};
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temp={unicast_dest_e_addr,1'b1};
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pck_siz_tmp= pck_size_uni;
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if(rnd_reg >= MCAST_TRAFFIC_RATIO) begin
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multicast_dest_e_addr = {unicast_dest_e_addr,1'b1};
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end
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else begin
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multicast_dest_e_addr = $urandom();
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multicast_dest_e_addr[0] =1'b0;
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pck_siz_tmp=pck_size_mcast;
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if(SELF_LOOP_EN == "NO") begin
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if(MCAST_ENDP_LIST[core_num]==1'b1) multicast_dest_e_addr[endp_id_to_mcast_id(core_num)+1]=1'b0;
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end
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end
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end
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assign dest_e_addr = (multicast_dest_e_addr=={DAw{1'b0}} )? temp : multicast_dest_e_addr ;
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assign pck_size_o = pck_siz_tmp;
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end else begin //Broadcast
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always @( * ) begin
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multicast_dest_e_addr = {DAw{1'b0}};
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pck_siz_tmp = pck_size_uni;
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if(rnd_reg >= MCAST_TRAFFIC_RATIO) begin
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multicast_dest_e_addr = {unicast_dest_e_addr,1'b1};
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end
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else begin
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pck_siz_tmp=pck_size_mcast;
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end
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end
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assign dest_e_addr = multicast_dest_e_addr ;
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assign pck_size_o = pck_siz_tmp;
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end
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end endgenerate
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endmodule
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module pck_dst_gen_unicast
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import pronoc_pkg::*;
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import pronoc_pkg::*;
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#(
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#(
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parameter NE=4,
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parameter NE=4,
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parameter TRAFFIC = "RANDOM",
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parameter TRAFFIC = "RANDOM",
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parameter MAX_PCK_NUM = 10000,
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parameter MAX_PCK_NUM = 10000,
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