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import os
from autotest_lib.client.bin import test, autotest_utils
from autotest_lib.client.common_lib import utils, error
class pktgen(test.test):
version = 1
def execute(self, eth='eth0', count=50000, clone_skb=1, \
dst_ip='192.168.210.210', dst_mac='01:02:03:04:05:07'):
if not os.path.exists('/proc/net/pktgen'):
utils.system('/sbin/modprobe pktgen')
if not os.path.exists('/proc/net/pktgen'):
raise error.UnhandledError('pktgen not loaded')
print 'Adding devices to run'
self.pgdev = '/proc/net/pktgen/kpktgend_0'
self.pgset('rem_device_all')
self.pgset('add_device ' + eth)
self.pgset('max_before_softirq 10000')
# Configure the individual devices
print 'Configuring devices'
self.ethdev='/proc/net/pktgen/' + eth
self.pgdev=self.ethdev
if clone_skb:
self.pgset('clone_skb %d' % (count))
self.pgset('min_pkt_size 60')
self.pgset('max_pkt_size 60')
self.pgset('dst ' + dst_ip)
self.pgset('dst_mac ' + dst_mac)
self.pgset('count %d' % (count))
# Time to run
self.pgdev='/proc/net/pktgen/pgctrl'
self.pgset('start')
output = os.path.join(self.resultsdir, eth)
utils.system ('cp %s %s' % (self.ethdev, output))
def pgset(self, command):
file = open(self.pgdev, 'w')
file.write(command + '\n');
file.close
if not autotest_utils.grep('Result: OK', self.pgdev):
if not autotest_utils.grep('Result: NA', self.pgdev):
utils.system('cat ' + self.pgdev)
# raise UnhandledError('Result not OK')
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