eddd8e3588
- Generate copyright year and version instead of using hard-coded data Type: refactor Signed-off-by: Dave Wallace <dwallacelf@gmail.com> Change-Id: I6058f5025323b3aa483f5df4a2c4371e27b5914e
118 lines
4.4 KiB
Python
118 lines
4.4 KiB
Python
#!/usr/bin/env python3
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# Copyright (c) 2021 Graphiant, Inc.
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import unittest
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from framework import VppTestCase, VppTestRunner
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from vpp_policer import VppPolicer, PolicerAction
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# Default for the tests is 10s of "Green" packets at 8Mbps, ie. 10M bytes.
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# The policer helper CLI "sends" 500 byte packets, so default is 20000.
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TEST_RATE = 8000 # kbps
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TEST_BURST = 10000 # ms
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CIR_OK = 8500 # CIR in kbps, above test rate
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CIR_LOW = 7000 # CIR in kbps, below test rate
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EIR_OK = 9000 # EIR in kbps, above test rate
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EIR_LOW = 7500 # EIR in kbps, below test rate
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NUM_PKTS = 20000
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CBURST = 100000 # Committed burst in bytes
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EBURST = 200000 # Excess burst in bytes
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class TestPolicer(VppTestCase):
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""" Policer Test Case """
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def run_policer_test(self, type, cir, cb, eir, eb, rate=8000, burst=10000,
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colour=0):
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"""
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Configure a Policer and push traffic through it.
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"""
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types = {
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'1R2C': 0,
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'1R3C': 1,
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'2R3C': 3,
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}
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pol_type = types.get(type)
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policer = VppPolicer(self, "pol1", cir, eir, cb, eb, rate_type=0,
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type=pol_type, color_aware=colour)
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policer.add_vpp_config()
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error = self.vapi.cli(
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f"test policing index {policer.policer_index} rate {rate} "
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f"burst {burst} colour {colour}")
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stats = policer.get_stats()
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policer.remove_vpp_config()
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return stats
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def test_policer_1r2c(self):
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""" Single rate, 2 colour policer """
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stats = self.run_policer_test("1R2C", CIR_OK, CBURST, 0, 0)
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self.assertEqual(stats['conform_packets'], NUM_PKTS)
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stats = self.run_policer_test("1R2C", CIR_LOW, CBURST, 0, 0)
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self.assertLess(stats['conform_packets'], NUM_PKTS)
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self.assertEqual(stats['exceed_packets'], 0)
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self.assertGreater(stats['violate_packets'], 0)
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stats = self.run_policer_test("1R2C", CIR_LOW, CBURST, 0, 0, colour=2)
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self.assertEqual(stats['violate_packets'], NUM_PKTS)
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def test_policer_1r3c(self):
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""" Single rate, 3 colour policer """
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stats = self.run_policer_test("1R3C", CIR_OK, CBURST, 0, 0)
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self.assertEqual(stats['conform_packets'], NUM_PKTS)
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stats = self.run_policer_test("1R3C", CIR_LOW, CBURST, 0, EBURST)
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self.assertLess(stats['conform_packets'], NUM_PKTS)
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self.assertGreater(stats['exceed_packets'], 0)
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self.assertGreater(stats['violate_packets'], 0)
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stats = self.run_policer_test("1R3C", CIR_LOW, CBURST, 0, EBURST,
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colour=1)
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self.assertEqual(stats['conform_packets'], 0)
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self.assertGreater(stats['exceed_packets'], 0)
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self.assertGreater(stats['violate_packets'], 0)
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stats = self.run_policer_test("1R3C", CIR_LOW, CBURST, 0, EBURST,
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colour=2)
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self.assertEqual(stats['violate_packets'], NUM_PKTS)
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def test_policer_2r3c(self):
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""" Dual rate, 3 colour policer """
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stats = self.run_policer_test("2R3C", CIR_OK, CBURST, EIR_OK, EBURST)
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self.assertEqual(stats['conform_packets'], NUM_PKTS)
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stats = self.run_policer_test("2R3C", CIR_LOW, CBURST, EIR_OK, EBURST)
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self.assertLess(stats['conform_packets'], NUM_PKTS)
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self.assertGreater(stats['exceed_packets'], 0)
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self.assertEqual(stats['violate_packets'], 0)
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stats = self.run_policer_test("2R3C", CIR_LOW, CBURST, EIR_LOW, EBURST)
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self.assertLess(stats['conform_packets'], NUM_PKTS)
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self.assertGreater(stats['exceed_packets'], 0)
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self.assertGreater(stats['violate_packets'], 0)
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stats = self.run_policer_test("2R3C", CIR_LOW, CBURST, EIR_OK, EBURST,
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colour=1)
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self.assertEqual(stats['exceed_packets'], NUM_PKTS)
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stats = self.run_policer_test("2R3C", CIR_LOW, CBURST, EIR_LOW, EBURST,
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colour=1)
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self.assertEqual(stats['conform_packets'], 0)
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self.assertGreater(stats['exceed_packets'], 0)
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self.assertGreater(stats['violate_packets'], 0)
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stats = self.run_policer_test("2R3C", CIR_LOW, CBURST, EIR_OK, EBURST,
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colour=2)
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self.assertEqual(stats['violate_packets'], NUM_PKTS)
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if __name__ == '__main__':
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unittest.main(testRunner=VppTestRunner)
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