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authorNeale Ranns <nranns@cisco.com>2019-03-08 00:14:21 -0800
committerOle Trøan <otroan@employees.org>2019-03-08 12:28:52 +0000
commit5d704aea534a88f6630c803d858bc01a58b4052d (patch)
tree44af7ff5c791f9cf0684c6650314c5d70aeb0e5f /extras/vpp_config/LICENSE.txt
parent035ea679d54700aee9fb86a8de436330bc8e3bc2 (diff)
updates now that flags are supported on the API
Change-Id: I9c45f390a6454c114f12f9c46c3a93fcecffa73f Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'extras/vpp_config/LICENSE.txt')
0 files changed, 0 insertions, 0 deletions
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#!/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)