Merged SVN matt/new_eth r10782:11633 into new_eth

* svn diff http://gnuradio.org/svn/branches/developers/matt/new_eth
  -r10782:11633

* Patch applied with no conflicts or fuzz.

1 files changed, 89 insertions, 0 deletions

diff --git a/simple_gemac/eth_tasks_f36.v b/simple_gemac/eth_tasks_f36.v
new file mode 100644
index 000000000..b7fa52c07
--- /dev/null
+++ b/simple_gemac/eth_tasks_f36.v
@@ -0,0 +1,89 @@
+
+
+task SendFlowCtrl;
+   input [15:0] fc_len;
+   begin
+      $display("Sending Flow Control, quanta = %d, time = %d", fc_len,$time);
+      pause_time <= fc_len;
+      @(posedge clk);
+      pause_req <= 1;
+      @(posedge clk);
+      pause_req <= 0;
+      $display("Sent Flow Control");
+   end
+endtask // SendFlowCtrl
+
+task SendPacket_to_fifo36;
+   input [31:0] data_start;
+   input [15:0] data_len;
+   reg [15:0] 	count;
+   begin
+      $display("Sending Packet Len=%d, %d", data_len, $time);
+      count   <= 2;
+      tx_f36_dat <= {2'b0, 1'b0, 1'b1, data_start};
+      tx_f36_src_rdy  <= 1;
+      #1;
+      while(count < data_len)
+	begin
+	   while(~tx_f36_dst_rdy)
+	     @(posedge clk);
+	   @(posedge clk);
+	   tx_f36_dat[31:0] = tx_f36_dat[31:0] + 32'h0101_0101;
+	   count 	   = count + 4;
+	   tx_f36_dat[32] <= 0;
+	end
+      tx_f36_dat[3] 	  <= 1;
+      while(~tx_f36_dst_rdy)
+	@(posedge clk);
+      @(posedge clk);
+      tx_f36_src_rdy <= 0;
+   end
+endtask // SendPacket_to_fifo36
+
+
+task Waiter;
+   input [31:0] wait_length;
+   begin
+      tx_ll_src_rdy2 <= 0;
+      repeat(wait_length)
+	@(posedge clk);
+      tx_ll_src_rdy2 <= 1;
+   end
+endtask // Waiter
+
+task SendPacketFromFile_f36;
+   input [31:0] data_len;
+   input [31:0] wait_length;
+   input [31:0] wait_time;
+   
+   integer count;
+   begin
+      $display("Sending Packet From File to LL8 Len=%d, %d",data_len,$time);
+      $readmemh("test_packet.mem",pkt_rom );     
+
+      while(~tx_f36_dst_rdy)
+	@(posedge clk);
+      tx_f36_data2 <= pkt_rom[0];
+      tx_f36_src_rdy <= 1;
+      tx_ll_eof2     <= 0;
+      @(posedge clk);
+      
+      for(i=1;i<data_len-1;i=i+1)
+	begin
+	   while(~tx_ll_dst_rdy2)
+	     @(posedge clk);
+	   tx_ll_data2 <= pkt_rom[i];
+	   tx_ll_sof2  <= 0;
+	   @(posedge clk);
+	   if(i==wait_time)
+	     Waiter(wait_length);
+	end
+      
+      while(~tx_ll_dst_rdy2)
+	@(posedge clk);
+      tx_ll_eof2 <= 1;
+      tx_ll_data2 <= pkt_rom[data_len-1];
+      @(posedge clk);
+      tx_ll_src_rdy2 <= 0;
+   end
+endtask