1 # Copyright (c) 2016-2017 Intel Corporation
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
17 from yardstick.common import utils
18 from yardstick.network_services.traffic_profile import base as tp_base
19 from yardstick.network_services.traffic_profile import trex_traffic_profile
22 LOG = logging.getLogger(__name__)
25 class IXIARFC2544Profile(trex_traffic_profile.TrexProfile):
29 DROP_PERCENT_ROUND = 6
31 STATUS_SUCCESS = "Success"
32 STATUS_FAIL = "Failure"
34 def __init__(self, yaml_data):
35 super(IXIARFC2544Profile, self).__init__(yaml_data)
36 self.rate = self.config.frame_rate
37 self.rate_unit = self.config.rate_unit
39 def _get_ip_and_mask(self, ip_range):
40 _ip_range = ip_range.split('-')
41 if len(_ip_range) == 1:
42 return _ip_range[0], None
44 mask = utils.get_mask_from_ip_range(_ip_range[0], _ip_range[1])
45 return _ip_range[0], mask
47 def _get_fixed_and_mask(self, port_range):
48 _port_range = str(port_range).split('-')
49 if len(_port_range) == 1:
50 return int(_port_range[0]), 0
52 return int(_port_range[0]), int(_port_range[1])
54 def _get_ixia_traffic_profile(self, profile_data, mac=None):
55 mac = {} if mac is None else mac
57 for traffickey, values in profile_data.items():
58 if not traffickey.startswith((self.UPLINK, self.DOWNLINK)):
61 # values should be single-item dict, so just grab the first item
63 key, value = next(iter(values.items()))
65 result[traffickey] = {}
68 port_id = value.get('id', 1)
69 port_index = port_id - 1
71 result[traffickey] = {
75 'rate_unit': self.rate_unit,
81 frame_rate = value.get('frame_rate')
83 flow_rate, flow_rate_unit = self.config.parse_rate(frame_rate)
84 result[traffickey]['rate'] = flow_rate
85 result[traffickey]['rate_unit'] = flow_rate_unit
87 outer_l2 = value.get('outer_l2')
89 result[traffickey]['outer_l2'].update({
90 'framesize': outer_l2.get('framesize'),
91 'framesPerSecond': True,
92 'QinQ': outer_l2.get('QinQ'),
93 'srcmac': mac.get('src_mac_{}'.format(port_index)),
94 'dstmac': mac.get('dst_mac_{}'.format(port_index)),
97 if value.get('outer_l3v4'):
98 outer_l3 = value['outer_l3v4']
99 src_key, dst_key = 'srcip4', 'dstip4'
101 outer_l3 = value.get('outer_l3v6')
102 src_key, dst_key = 'srcip6', 'dstip6'
104 srcip = srcmask = dstip = dstmask = None
105 if outer_l3.get(src_key):
106 srcip, srcmask = self._get_ip_and_mask(outer_l3[src_key])
107 if outer_l3.get(dst_key):
108 dstip, dstmask = self._get_ip_and_mask(outer_l3[dst_key])
110 result[traffickey]['outer_l3'].update({
111 'count': outer_l3.get('count', 1),
112 'dscp': outer_l3.get('dscp'),
113 'ttl': outer_l3.get('ttl'),
114 'srcseed': outer_l3.get('srcseed', 1),
115 'dstseed': outer_l3.get('dstseed', 1),
121 'proto': outer_l3.get('proto'),
122 'priority': outer_l3.get('priority')
125 outer_l4 = value.get('outer_l4')
127 src_port = src_port_mask = dst_port = dst_port_mask = None
128 if outer_l4.get('srcport'):
129 src_port, src_port_mask = (
130 self._get_fixed_and_mask(outer_l4['srcport']))
132 if outer_l4.get('dstport'):
133 dst_port, dst_port_mask = (
134 self._get_fixed_and_mask(outer_l4['dstport']))
136 result[traffickey]['outer_l4'].update({
139 'srcportmask': src_port_mask,
140 'dstportmask': dst_port_mask,
141 'count': outer_l4.get('count', 1),
142 'seed': outer_l4.get('seed', 1),
147 def _ixia_traffic_generate(self, traffic, ixia_obj):
148 ixia_obj.update_frame(traffic, self.config.duration)
149 ixia_obj.update_ip_packet(traffic)
150 ixia_obj.update_l4(traffic)
151 ixia_obj.start_traffic()
153 def update_traffic_profile(self, traffic_generator):
154 def port_generator():
155 for vld_id, intfs in sorted(traffic_generator.networks.items()):
156 if not vld_id.startswith((self.UPLINK, self.DOWNLINK)):
158 profile_data = self.params.get(vld_id)
161 self.profile_data = profile_data
162 self.full_profile.update({vld_id: self.profile_data})
164 yield traffic_generator.vnfd_helper.port_num(intf)
166 self.ports = [port for port in port_generator()]
168 def execute_traffic(self, traffic_generator, ixia_obj=None, mac=None):
169 mac = {} if mac is None else mac
170 first_run = self.first_run
172 self.first_run = False
173 self.full_profile = {}
175 self.update_traffic_profile(traffic_generator)
176 self.max_rate = self.rate
179 self.rate = round(float(self.max_rate + self.min_rate) / 2.0,
182 traffic = self._get_ixia_traffic_profile(self.full_profile, mac)
183 self._ixia_traffic_generate(traffic, ixia_obj)
186 def get_drop_percentage(self, samples, tol_min, tolerance, precision,
190 num_ifaces = len(samples)
191 duration = self.config.duration
192 in_packets_sum = sum(
193 [samples[iface]['in_packets'] for iface in samples])
194 out_packets_sum = sum(
195 [samples[iface]['out_packets'] for iface in samples])
196 rx_throughput = round(float(in_packets_sum) / duration, 3)
197 tx_throughput = round(float(out_packets_sum) / duration, 3)
198 packet_drop = abs(out_packets_sum - in_packets_sum)
201 drop_percent = round(
202 (packet_drop / float(out_packets_sum)) * 100,
203 self.DROP_PERCENT_ROUND)
204 except ZeroDivisionError:
205 LOG.info('No traffic is flowing')
208 completed = True if drop_percent <= tolerance else False
210 self.rate_unit == tp_base.TrafficProfileConfig.RATE_FPS):
211 self.rate = float(out_packets_sum) / duration / num_ifaces
213 if drop_percent > tolerance:
214 self.max_rate = self.rate
215 elif drop_percent < tol_min:
216 self.min_rate = self.rate
220 LOG.debug("tolerance=%s, tolerance_precision=%s drop_percent=%s "
221 "completed=%s", tolerance, precision, drop_percent,
224 latency_ns_avg = float(
225 sum([samples[iface]['Store-Forward_Avg_latency_ns']
226 for iface in samples])) / num_ifaces
227 latency_ns_min = float(
228 sum([samples[iface]['Store-Forward_Min_latency_ns']
229 for iface in samples])) / num_ifaces
230 latency_ns_max = float(
231 sum([samples[iface]['Store-Forward_Max_latency_ns']
232 for iface in samples])) / num_ifaces
234 samples['Status'] = self.STATUS_FAIL
235 if round(drop_percent, precision) <= tolerance:
236 samples['Status'] = self.STATUS_SUCCESS
238 samples['TxThroughput'] = tx_throughput
239 samples['RxThroughput'] = rx_throughput
240 samples['DropPercentage'] = drop_percent
241 samples['latency_ns_avg'] = latency_ns_avg
242 samples['latency_ns_min'] = latency_ns_min
243 samples['latency_ns_max'] = latency_ns_max
245 return completed, samples