def nftest_init(sim_loop=[], hw_config=None):
global sim
global ifaceArray
global connections
global sent_phy, sent_dma, expected_phy, expected_dma
# handle simulation separately
if not isHW():
sim = True
simLib.init()
ifaceArray = ['nf0', 'nf1', 'nf2', 'nf3']
for iface in ifaceArray:
connections[iface] = 'phy_dummy'
sent_phy[iface] = []
sent_dma[iface] = []
expected_phy[iface] = []
expected_dma[iface] = []
looped = [False, False, False, False]
for iface in sim_loop:
if not iface.startswith('nf'):
print "Error1: Only nfX interfaces can be put in loopback"
sys.exit(1)
else:
looped[int(iface[2])] = True
portcfgfile = 'portconfig.sim'
portcfg = open(portcfgfile, 'w')
portcfg.write('LOOPBACK=')
for loop_state in reversed(looped):
if loop_state:
portcfg.write('1')
else:
portcfg.write('0')
portcfg.close()
return 'sim'
# running a hardware test, check connections
else:
if hw_config is None:
print "Error: trying to run hardware test without specifying hardware configurations. Verify the keyword argument hw_config is being used in nftest_init"
sys.exit(1)
sim = False
# validate connections and process loopback
portConfig = 0
if '--conn' in sys.argv:
specified_connections = {}
# read specified connections
lines = open(sys.argv[sys.argv.index('--conn') + 1],
'r').readlines()
for line in lines:
conn = line.strip().split(':')
specified_connections[conn[0]] = conn[1]
# find matching configuration
for portConfig in range(len(hw_config)):
conns = {}
lines = open(hw_config[portConfig][0]).readlines()
for line in lines:
conn = line.strip().split(':')
conns[conn[0]] = conn[1]
# physical connections match
if conns == specified_connections:
connections = specified_connections
# check if we've got disconnected interfaces
for connection in connections:
if connections[connection] == '':
hwRegLib.phy_isolate(iface)
# specify loopback
for iface in hw_config[portConfig][1]:
if iface.startswith('nf'):
hwRegLib.phy_loopback(iface)
else:
print "Error2: Only nfX interfaces can be put in loopback"
sys.exit(1)
break
# incompatible configuration
elif portConfig == len(hw_config) - 1:
print "Specified connections file incompatible with this test."
sys.exit(1)
else:
portConfig = 0
# use the first valid_conn_file if not specified
lines = open(hw_config[0][0], 'r').readlines()
for line in lines:
conn = line.strip().split(':')
connections[conn[0]] = conn[1]
# specify loopback
if len(hw_config[0][1]) > 0:
for iface in hw_config[0][1]:
if iface.startswith('nf'):
if isHW():
hwRegLib.phy_loopback(iface)
else:
looped[int(iface[2])] = True
else:
print "Error3: Only nfX interfaces can be put in loopback"
sys.exit(1)
# avoid duplicating interfaces
ifaces = list(
set(connections.keys() + connections.values() +
list(hw_config[portConfig][1])) - set(['']))
global iface_map
# populate iface_map
if '--map' in sys.argv:
mapfile = open(sys.argv[sys.argv.index('--map') + 1], 'r')
lines = mapfile.readlines()
for line in lines:
mapping = line.strip().split(':')
iface_map[mapping[0]] = mapping[1]
if mapping[0] in ifaces:
ifaces.remove(mapping[0])
ifaces.append(mapping[1])
else:
for iface in ifaces:
iface_map[iface] = iface
ifaceArray = ifaces
for iface in ifaces:
sent_phy[iface] = []
sent_dma[iface] = []
expected_phy[iface] = []
expected_dma[iface] = []
hwPktLib.init(ifaces)
# print setup for inspection
print 'Running test using the following physical connections:'
for connection in connections.items():
try:
print iface_map[connection[0]] + ':' + iface_map[connection[1]]
except KeyError:
print iface_map[
connection[0]] + ' initialized but not connected'
if len(list(hw_config[portConfig][1])) > 0:
print 'Ports in loopback:'
for iface in list(hw_config[portConfig][1]):
print iface_map[iface]
print '------------------------------------------------------'
return portConfig
def nftest_init(sim_loop = [], hw_config=None):
global sim
global ifaceArray
global connections
global sent_phy, sent_dma, expected_phy, expected_dma
# handle simulation separately
if not isHW():
sim = True
simLib.init()
ifaceArray = ['nf2c0', 'nf2c1', 'nf2c2', 'nf2c3']
for iface in ifaceArray:
connections[iface] = 'phy_dummy'
sent_phy[iface] = []
sent_dma[iface] = []
expected_phy[iface] = []
expected_dma[iface] = []
looped = [False, False, False, False]
for iface in sim_loop:
if not iface.startswith('nf2c'):
print "Error: Only nf2cX interfaces can be put in loopback"
sys.exit(1)
else:
looped[int(iface[4:5])] = True
portcfgfile = 'portconfig.sim'
portcfg = open(portcfgfile, 'w')
portcfg.write('LOOPBACK=')
for loop_state in reversed(looped):
if loop_state:
portcfg.write('1')
else:
portcfg.write('0')
portcfg.close()
return 'sim'
# running a hardware test, check connections
else:
if hw_config is None:
print "Error: trying to run hardware test without specifying hardware configurations. Verify the keyword argument hw_config is being used in nftest_init"
sys.exit(1)
sim = False
# validate connections and process loopback
portConfig = 0
if '--conn' in sys.argv:
specified_connections = {}
# read specified connections
lines = open(sys.argv[sys.argv.index('--conn')+1], 'r').readlines()
for line in lines:
conn = line.strip().split(':')
specified_connections[conn[0]] = conn[1]
# find matching configuration
for portConfig in range(len(hw_config)):
conns = {}
lines = open(hw_config[portConfig][0]).readlines()
for line in lines:
conn = line.strip().split(':')
conns[conn[0]] = conn[1]
# physical connections match
if conns == specified_connections:
connections = specified_connections
# check if we've got disconnected interfaces
for connection in connections:
if connections[connection] == '':
hwRegLib.phy_isolate(iface)
# specify loopback
for iface in hw_config[portConfig][1]:
if iface.startswith('nf2c'):
hwRegLib.phy_loopback(iface)
else:
print "Error: Only nf2cX interfaces can be put in loopback"
sys.exit(1)
break
# incompatible configuration
elif portConfig == len(hw_config) - 1:
print "Specified connections file incompatible with this test."
sys.exit(1)
else:
portConfig = 0
# use the first valid_conn_file if not specified
lines = open(hw_config[0][0], 'r').readlines()
for line in lines:
conn = line.strip().split(':')
connections[conn[0]] = conn[1]
# specify loopback
if len(hw_config[0][1]) > 0:
for iface in hw_config[0][1]:
if iface.startswith('nf2c'):
if isHW():
hwRegLib.phy_loopback(iface)
else:
looped[int(iface[4:5])] = True
else:
print "Error: Only nf2cX interfaces can be put in loopback"
sys.exit(1)
# avoid duplicating interfaces
ifaces = list(set(connections.keys() + connections.values() + list(hw_config[portConfig][1])) - set(['']))
global iface_map
# populate iface_map
if '--map' in sys.argv:
mapfile = open(sys.argv[sys.argv.index('--map')+1], 'r')
lines = mapfile.readlines()
for line in lines:
mapping = line.strip().split(':')
iface_map[mapping[0]] = mapping[1]
if mapping[0] in ifaces:
ifaces.remove(mapping[0])
ifaces.append(mapping[1])
else:
for iface in ifaces:
iface_map[iface] = iface
ifaceArray = ifaces
for iface in ifaces:
sent_phy[iface] = []
sent_dma[iface] = []
expected_phy[iface] = []
expected_dma[iface] = []
hwPktLib.init(ifaces)
# print setup for inspection
print 'Running test using the following physical connections:'
for connection in connections.items():
try:
print iface_map[connection[0]] + ':' + iface_map[connection[1]]
except KeyError:
print iface_map[connection[0]] + ' initialized but not connected'
if len(list(hw_config[portConfig][1])) > 0:
print 'Ports in loopback:'
for iface in list(hw_config[portConfig][1]):
print iface_map[iface]
print '------------------------------------------------------'
return portConfig