1 files changed, 0 insertions, 56 deletions
diff --git a/fpga/usrp2/simple_gemac/flow_ctrl_tx.v b/fpga/usrp2/simple_gemac/flow_ctrl_tx.v
deleted file mode 100644
index bdc1e4701..000000000
--- a/fpga/usrp2/simple_gemac/flow_ctrl_tx.v
+++ /dev/null
@@ -1,56 +0,0 @@
-//
-// Copyright 2011 Ettus Research LLC
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-//
-
-
-// TX side of flow control -- when other side sends PAUSE, we wait
-
-module flow_ctrl_tx
-  (input        rst,
-   input        tx_clk,
-   //host processor
-   input        tx_pause_en,
-   // From MAC_rx_ctrl
-   input [15:0] pause_quanta,
-   input        pause_quanta_val,
-   // MAC_tx_ctrl
-   output       pause_apply,
-   input        paused);
-     
-   // ******************************************************************************        
-   // Inhibit our TX from transmitting because they sent us a PAUSE frame
-   // ******************************************************************************
-
-   // Pauses are in units of 512 bit times, or 64 bytes/clock cycles, and can be
-   //   as big as 16 bits, so 22 bits are needed for the counter
-   
-   reg [15+6:0] pause_quanta_counter;
-   reg 		pqval_d1, pqval_d2;		
-
-   always @(posedge tx_clk) pqval_d1 <= pause_quanta_val;
-   always @(posedge tx_clk) pqval_d2 <= pqval_d1;
-
-   always @ (posedge tx_clk or posedge rst)
-     if (rst)
-       pause_quanta_counter <= 0;
-     else if (pqval_d1 & ~pqval_d2)
-       pause_quanta_counter <= {pause_quanta, 6'b0}; 
-     else if((pause_quanta_counter!=0) & paused)
-       pause_quanta_counter <= pause_quanta_counter - 1;
-
-   assign	pause_apply = tx_pause_en & (pause_quanta_counter != 0);
-   
-endmodule // flow_ctrl