core/icmp/LiteEthICMPTX: Move datapath outside of FSM (minor logic optimization).

2021-07-15 18:12:57 +02:00 · 2021-07-15 18:12:57 +02:00 · a12d3991e5
parent 43a2ea8118
commit a12d3991e5
1 changed files with 5 additions and 2 deletions
--- a/liteeth/core/icmp.py
+++ b/liteeth/core/icmp.py
@ -46,11 +46,14 @@ class LiteEthICMPTX(Module):
                NextState("SEND")
            )
        )
-        fsm.act("SEND",
-            packetizer.source.connect(source),
+        self.comb += [
+            packetizer.source.connect(source, omit={"valid", "ready"}),
            source.length.eq(sink.length + icmp_header.length),
            source.protocol.eq(icmp_protocol),
            source.ip_address.eq(sink.ip_address),
+        ]
+        fsm.act("SEND",
+            packetizer.source.connect(source, keep={"valid", "ready"}),
            If(source.valid & source.last & source.ready,
                NextState("IDLE")
            )