From b10836a8eb58a57f71c834a12805a252fc2a62b8 Mon Sep 17 00:00:00 2001 From: Florent Kermarrec Date: Mon, 9 Mar 2015 17:21:29 +0100 Subject: [PATCH] liteeth/phy/sim: create ethernet tap in __init__ and destroy it in do_exit --- misoclib/com/liteeth/phy/sim.py | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/misoclib/com/liteeth/phy/sim.py b/misoclib/com/liteeth/phy/sim.py index 8b81576b2..da7124e62 100644 --- a/misoclib/com/liteeth/phy/sim.py +++ b/misoclib/com/liteeth/phy/sim.py @@ -1,3 +1,5 @@ +import os + from misoclib.com.liteeth.common import * from misoclib.com.liteeth.generic import * @@ -21,11 +23,13 @@ class LiteEthPHYSimCRG(Module, AutoCSR): ] class LiteEthPHYSim(Module, AutoCSR): - def __init__(self, pads): + def __init__(self, pads, tap="tap0", ip_address="192.168.0.14"): self.dw = 8 self.submodules.crg = LiteEthPHYSimCRG() self.sink = sink = Sink(eth_phy_description(8)) self.source = source = Source(eth_phy_description(8)) + self.tap = tap + self.ip_address = ip_address self.comb += [ pads.source_stb.eq(self.sink.stb), @@ -41,3 +45,13 @@ class LiteEthPHYSim(Module, AutoCSR): self.comb += [ self.source.eop.eq(~pads.sink_stb & self.source.stb), ] + + # XXX avoid use of os.system + os.system("openvpn --mktun --dev {}".format(self.tap)) + os.system("ifconfig {} {} up".format(self.tap, self.ip_address)) + os.system("mknod /dev/net/{} c 10 200".format(self.tap)) + + def do_exit(self, *args, **kwargs): + # XXX avoid use of os.system + os.system("rm -f /dev/net/{}".format(self.tap)) + os.system("openvpn --rmtun --dev {}".format(self.tap))