icmp: replace fifo with packet buffer and reduce buffering

diff --git a/liteeth/core/icmp/__init__.py b/liteeth/core/icmp/__init__.py
index d2e0abe4c4a44497d7ceef99ff9d653f1a0db056..35a69cc93dad6dcd602425c210235604bed47ece 100644 (file)
--- a/liteeth/core/icmp/__init__.py
+++ b/liteeth/core/icmp/__init__.py
@@ -113,12 +113,12 @@ class LiteEthICMPEcho(Module):
                self.sink = sink = Sink(eth_icmp_user_description(8))
                self.source = source = Source(eth_icmp_user_description(8))
                ###
-               self.submodules.fifo = fifo = SyncFIFO(eth_icmp_user_description(8), 512, buffered=True)
+               self.submodules.buffer = PacketBuffer(eth_icmp_user_description(8), 128, 2)
                self.comb += [
-                       Record.connect(sink, fifo.sink),
-                       Record.connect(fifo.source, source),
+                       Record.connect(sink, self.buffer.sink),
+                       Record.connect(self.buffer.source, source),
                        self.source.msgtype.eq(0x0),
-                       self.source.checksum.eq(~((~fifo.source.checksum)-0x0800))
+                       self.source.checksum.eq(~((~self.buffer.source.checksum)-0x0800))
                ]
 
 class LiteEthICMP(Module):