vpp - Vector Packet Processing

Age	Commit message (Collapse)	Author	Files	Lines
2018-08-27	docs: Finish event logger, viewer and cleanup.	John DeNisco	1	-0/+0
	Change-Id: I3de038439bf0ab5755777c0f4930aec0514f5b63 Signed-off-by: John DeNisco <jdenisco@cisco.com>

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