增加rx功能buff，底座

src/main/scala/Switch/RevBuff.scala

@@ -31,7 +31,11 @@ class RevBuffIO extends Bundle{
 }
 
 
-
+class Packet_Info_Bundle extends Bundle{
+  val LatchedRxLength   = UInt(16.W)
+  val RxStatusInLatched = UInt(9.W)
+  val header = Vec( 5, UInt(32.W) )
+}
 
 
 class RevBuff extends Module{
@@ -41,12 +45,50 @@ class RevBuff extends Module{
   val isPong = ~isPing
 
   val pipoBuff = for( i <- 0 until 2 ) yiled { Module(new Queue( UInt(32.W), 2048/4 )) }
-  val pipoInfo = for( i <- 0 until 2 ) yiled { Reg(Vec( 18, UInt(8.W))) }
+  val pipoInfo = for( i <- 0 until 2 ) yiled { Reg(new Packet_Info_Bundle) }
 
-  val recCnt = RegInit(0.U(5.W))
+  val recCnt = RegInit(0.U(3.W))
+
+  pipoBuff(0).io.enq.valid := isPing & io.enq.data.valid
+  pipoBuff(0).io.enq.bits  := io.enq.data.bits
+
+  pipoBuff(1).io.enq.valid := isPong & io.enq.data.valid
+  pipoBuff(1).io.enq.btis  := io.enq.data.bits
+
+  io.enq.data.ready := (isPing & io.enq.data.ready) | (isPong & io.enq.data.ready)
+  io.enq.ctrl.ready := true.B
+
+  pipoBuff(0).reset := reset.asBool | (isPing & io.enq.ctrl.fire & io.enq.ctrl.bits.isRxAbort)
+  pipoBuff(1).reset := reset.asBool | (isPong & io.enq.ctrl.fire & io.enq.ctrl.bits.isRxAbort)
+
+  when( io.enq.ctrl.fire & ~io.enq.ctrl.bits.isRxAbort){
+    isPing := ~isPing
+    when( isPing ){
+      pipoInfo(0).LatchedRxLength   := io.enq.ctrl.bits.LatchedRxLength
+      pipoInfo(0).RxStatusInLatched := io.enq.ctrl.bits.RxStatusInLatched
+    } .elsewhen( isPong ){
+      pipoInfo(1).LatchedRxLength   := io.enq.ctrl.bits.LatchedRxLength
+      pipoInfo(1).RxStatusInLatched := io.enq.ctrl.bits.RxStatusInLatched
+    }
+  }
 
 
 
+  when( io.enq.ctrl.fire ){
+    recCnt := 0.U
+  } .elsewhen( io.enq.data.fire ){
+    when( recCnt < 5 ){
+      recCnt := recCnt + 1.U
+      when( isPing ){
+        pipoInfo(0).header(recCnt) := io.enq.data.bits
+      } .elsewhen( isPong ){
+        pipoInfo(1).header(recCnt) := io.enq.data.bits
+      } .otherwise{
+        assert(false.B, "Assert Failed, Rx Under Run")
+      }
+    }
+  }
+