Hardware
/
litex
mirror of https://github.com/enjoy-digital/litex.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

liteeth/phy/sim: create ethernet tap in __init__ and destroy it in do_exit

This commit is contained in:
Florent Kermarrec 2015-03-09 17:21:29 +01:00
parent 1b58813d13
commit b10836a8eb
1 changed files with 15 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
misoclib/com/liteeth/phy/sim.py
View File

@ -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))