diff options
Diffstat (limited to 'fpga/usrp3/lib/packet_proc/cvita_packet_debug.v')
-rw-r--r-- | fpga/usrp3/lib/packet_proc/cvita_packet_debug.v | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/fpga/usrp3/lib/packet_proc/cvita_packet_debug.v b/fpga/usrp3/lib/packet_proc/cvita_packet_debug.v deleted file mode 100644 index 68e32efe4..000000000 --- a/fpga/usrp3/lib/packet_proc/cvita_packet_debug.v +++ /dev/null @@ -1,108 +0,0 @@ -// -// Copyright 2014 Ettus Research LLC -// - -module cvita_packet_debug ( - input clk, - input reset, - input clear, - - //Packet In - input [63:0] tdata, - input tlast, - input tvalid, - input tready, - - //Per packet info - output reg pkt_strobe, - output reg [63:0] header, - output reg [63:0] timestamp, - output reg [15:0] actual_length, - output reg [63:0] checksum, - - //Statistics - output reg [31:0] pkt_count, - output reg [31:0] ctrl_pkt_count -); - - localparam ST_HEADER = 2'd0; - localparam ST_TIME = 2'd1; - localparam ST_DATA = 2'd2; - - //Packet state logic - reg [1:0] pkt_state; - always @(posedge clk) begin - if (reset) begin - pkt_state <= ST_HEADER; - end else if (tvalid & tready) begin - case(pkt_state) - ST_HEADER: begin - if (!tlast) - pkt_state <= (tdata[61]) ? ST_TIME : ST_DATA; - end - ST_TIME: begin - pkt_state <= (tlast) ? ST_HEADER : ST_DATA; - end - ST_DATA: begin - pkt_state <= (tlast) ? ST_HEADER : ST_DATA; - end - default: pkt_state <= ST_HEADER; - endcase - end - end - - //Trigger logic - always @(posedge clk) - if (reset) - pkt_strobe <= 1'b0; - else - pkt_strobe <= tvalid & tready & tlast; - - //Header capture - always @(posedge clk) - if (reset) - header <= 64'd0; - else if (pkt_state == ST_HEADER) - if (tvalid & tready) - header <= tdata; - - //Timestamp capture - always @(posedge clk) - if (reset) - timestamp <= 64'd0; - else if (pkt_state == ST_TIME) - if (tvalid & tready) - timestamp <= tdata; - - //Length capture - always @(posedge clk) - if (reset || pkt_state == ST_HEADER) - actual_length <= (tvalid & tready & tlast) ? 16'd8 : 16'd0; - else - if (tvalid & tready) - actual_length <= actual_length + 16'd8; - - //Checksum capture - always @(posedge clk) - if (reset || pkt_state == ST_HEADER) - checksum <= 64'd0; - else if (pkt_state == ST_DATA) - if (tvalid & tready) - checksum <= checksum ^ tdata; - - //Counts - always @(posedge clk) - if (reset | clear) begin - pkt_count <= 32'd0; - ctrl_pkt_count <= 32'd0; - end else begin - if (tvalid & tready & tlast) begin - pkt_count <= pkt_count + 32'd1; - if (pkt_state == ST_HEADER && tdata[63]) - ctrl_pkt_count <= ctrl_pkt_count + 32'd1; - else if (header[63]) - ctrl_pkt_count <= ctrl_pkt_count + 32'd1; - end - end - -endmodule // cvita_packet_debug |