minor change: revised directory structure, added MIT license

src/fabric/routing.svh

@@ -0,0 +1,21 @@
+`ifndef __ROUTING__SVH__
+`define __ROUTING__SVH__
+
+`include <params.svh>
+
+function automatic logic [INTERFACE_ADDR_LEN - 1:0] next_hop(input logic [ROSE_ADDR_LEN - 1:0] interface_addr);
+    case(interface_addr)
+        0:
+            return 0;
+        1:
+            return 1;
+        2:
+            return 2;
+        3:
+            return 3;
+        default:
+            return 0;
+    endcase // case (interface_addr)
+endfunction // next_hop
+
+`endif