From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Mon, 9 Feb 2015 18:24:49 +0000 (+0100)
Subject: icmp: replace fifo with packet buffer and reduce buffering
X-Git-Tag: 24jan2021_ls180~2604^2~55
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=13e9e23a942db76915d12bede4cb73b3d63a2d4d;p=litex.git

icmp: replace fifo with packet buffer and reduce buffering
---

diff --git a/liteeth/core/icmp/__init__.py b/liteeth/core/icmp/__init__.py
index d2e0abe4..35a69cc9 100644
--- 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):