vlib: add support for multiple buffer pools - vpp

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author	Damjan Marion <damarion@cisco.com>	2017-10-12 13:09:26 +0200
committer	Dave Barach <openvpp@barachs.net>	2017-10-25 19:04:06 +0000
commit	149ba779cff4ffc48d87ca67a2a8d4afd49b05f5 (patch)
tree	bc0467669b33b745fe4f44d4d0c787cf53900536 /src/vlib/buffer.c
parent	a19d7b822ae9584cde522aefba36915e2af58846 (diff)

vlib: add support for multiple buffer pools

Change-Id: Icaf7d7ad47284aea7a56e8006b69f45874d64202 Signed-off-by: Damjan Marion <damarion@cisco.com>

Diffstat (limited to 'src/vlib/buffer.c')

-rw-r--r--

src/vlib/buffer.c

1 files changed, 24 insertions, 12 deletions

#!/usr/bin/env python import socket import unittest from framework import VppTestCase, VppTestRunner from scapy.packet import Raw from scapy.layers.l2 import Ether from scapy.layers.inet import IP, UDP from vpp_bond_interface import VppBondInterface from vpp_papi import MACAddress from vpp_ip import VppIpPrefix class TestBondInterface(VppTestCase): """Bond Test Case """ @classmethod def setUpClass(cls): super(TestBondInterface, cls).setUpClass() # Test variables cls.pkts_per_burst = 257 # Number of packets per burst # create 3 pg interfaces cls.create_pg_interfaces(range(4)) # packet sizes cls.pg_if_packet_sizes = [64, 512, 1518] # , 9018] # setup all interfaces for i in cls.pg_interfaces: i.admin_up() @classmethod def tearDownClass(cls): super(TestBondInterface, cls).tearDownClass() def setUp(self): super(TestBondInterface, self).setUp() def tearDown(self): super(TestBondInterface, self).tearDown() def show_commands_at_teardown(self): self.logger.info(self.vapi.ppcli("show interface")) def test_bond_traffic(self): """ Bond traffic test """ # topology # # RX-> TX-> # # pg2 ------+ +------pg0 (slave) # | | # BondEthernet0 (10.10.10.1) # | | # pg3 ------+ +------pg1 (slave) # # create interface (BondEthernet0) # self.logger.info("create bond") bond0_mac = "02:fe:38:30:59:3c" mac = MACAddress(bond0_mac).packed bond0 = VppBondInterface(self, mode=3, lb=1, numa_only=0, use_custom_mac=1, mac_address=mac) bond0.add_vpp_config() bond0.admin_up() self.vapi.sw_interface_add_del_address( sw_if_index=bond0.sw_if_index, prefix=VppIpPrefix("10.10.10.1", 24).encode()) self.pg2.config_ip4() self.pg2.resolve_arp() self.pg3.config_ip4() self.pg3.resolve_arp() self.logger.info(self.vapi.cli("show interface")) self.logger.info(self.vapi.cli("show interface address")) self.logger.info(self.vapi.cli("show ip arp")) # enslave pg0 and pg1 to BondEthernet0 self.logger.info("bond enslave interface pg0 to BondEthernet0") bond0.enslave_vpp_bond_interface(sw_if_index=self.pg0.sw_if_index) self.logger.info("bond enslave interface pg1 to BondEthernet0") bond0.enslave_vpp_bond_interface(sw_if_index=self.pg1.sw_if_index) # verify both slaves in BondEthernet0 if_dump = self.vapi.sw_interface_slave_dump(bond0.sw_if_index) self.assertTrue(self.pg0.is_interface_config_in_dump(if_dump)) self.assertTrue(self.pg1.is_interface_config_in_dump(if_dump)) # generate a packet from pg2 -> BondEthernet0 -> pg1 # BondEthernet0 TX hashes this packet to pg1 p2 = (Ether(src=bond0_mac, dst=self.pg2.local_mac) / IP(src=self.pg2.local_ip4, dst="10.10.10.12") / UDP(sport=1235, dport=1235) / Raw('\xa5' * 100)) self.pg2.add_stream(p2) # generate a packet from pg3 -> BondEthernet0 -> pg0 # BondEthernet0 TX hashes this packet to pg0 # notice the ip address and ports are different than p2 packet p3 = (Ether(src=bond0_mac, dst=self.pg3.local_mac) / IP(src=self.pg3.local_ip4, dst="10.10.10.11") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.pg3.add_stream(p3) self.pg_enable_capture(self.pg_interfaces) # set up the static arp entries pointing to the BondEthernet0 interface # so that it does not try to resolve the ip address self.logger.info(self.vapi.cli( "set ip arp static BondEthernet0 10.10.10.12 abcd.abcd.0002")) self.logger.info(self.vapi.cli( "set ip arp static BondEthernet0 10.10.10.11 abcd.abcd.0004")) # clear the interface counters self.logger.info(self.vapi.cli("clear interfaces")) self.pg_start() self.logger.info("check the interface counters") # verify counters # BondEthernet0 tx bytes = 284 intfs = self.vapi.cli("show interface BondEthernet0").split("\n") found = 0 for intf in intfs: if "tx bytes" in intf and "284" in intf: found = 1 self.assertEqual(found, 1) # BondEthernet0 tx bytes = 284 intfs = self.vapi.cli("show interface BondEthernet0").split("\n") found = 0 for intf in intfs: if "tx bytes" in intf and "284" in intf: found = 1 self.assertEqual(found, 1) # pg2 rx bytes = 142 intfs = self.vapi.cli("show interface pg2").split("\n") found = 0 for intf in intfs: if "rx bytes" in intf and "142" in intf: found = 1 self.assertEqual(found, 1) # pg3 rx bytes = 142 intfs = self.vapi.cli("show interface pg3").split("\n") found = 0 for intf in intfs: if "rx bytes" in intf and "142" in intf: found = 1 self.assertEqual(found, 1) bond0.remove_vpp_config() def test_bond_enslave(self): """ Bond enslave/detach slave test """ # create interface (BondEthernet0) self.logger.info("create bond") bond0 = VppBondInterface(self, mode=3) bond0.add_vpp_config() bond0.admin_up() # verify pg0 and pg1 not in BondEthernet0 if_dump = self.vapi.sw_interface_slave_dump(bond0.sw_if_index) self.assertFalse(self.pg0.is_interface_config_in_dump(if_dump)) self.assertFalse(self.pg1.is_interface_config_in_dump(if_dump)) # enslave pg0 and pg1 to BondEthernet0 self.logger.info("bond enslave interface pg0 to BondEthernet0") bond0.enslave_vpp_bond_interface(sw_if_index=self.pg0.sw_if_index, is_passive=0, is_long_timeout=0) self.logger.info("bond enslave interface pg1 to BondEthernet0") bond0.enslave_vpp_bond_interface(sw_if_index=self.pg1.sw_if_index, is_passive=0, is_long_timeout=0) # verify both slaves in BondEthernet0 if_dump = self.vapi.sw_interface_slave_dump(bond0.sw_if_index) self.assertTrue(self.pg0.is_interface_config_in_dump(if_dump)) self.assertTrue(self.pg1.is_interface_config_in_dump(if_dump)) # detach interface pg0 self.logger.info("detach interface pg0") bond0.detach_vpp_bond_interface(sw_if_index=self.pg0.sw_if_index) # verify pg0 is not in BondEthernet0, but pg1 is if_dump = self.vapi.sw_interface_slave_dump(bond0.sw_if_index) self.assertFalse(self.pg0.is_interface_config_in_dump(if_dump)) self.assertTrue(self.pg1.is_interface_config_in_dump(if_dump)) # detach interface pg1 self.logger.info("detach interface pg1") bond0.detach_vpp_bond_interface(sw_if_index=self.pg1.sw_if_index) # verify pg0 and pg1 not in BondEthernet0 if_dump = self.vapi.sw_interface_slave_dump(bond0.sw_if_index) self.assertFalse(self.pg0.is_interface_config_in_dump(if_dump)) self.assertFalse(self.pg1.is_interface_config_in_dump(if_dump)) bond0.remove_vpp_config() def test_bond(self): """ Bond add/delete interface test """ self.logger.info("Bond add interfaces") # create interface 1 (BondEthernet0) bond0 = VppBondInterface(self, mode=5) bond0.add_vpp_config() bond0.admin_up() # create interface 2 (BondEthernet1) bond1 = VppBondInterface(self, mode=3) bond1.add_vpp_config() bond1.admin_up() # verify both interfaces in the show ifs = self.vapi.cli("show interface") self.assertIn('BondEthernet0', ifs) self.assertIn('BondEthernet1', ifs) # verify they are in the dump also if_dump = self.vapi.sw_interface_bond_dump() self.assertTrue(bond0.is_interface_config_in_dump(if_dump)) self.assertTrue(bond1.is_interface_config_in_dump(if_dump)) # delete BondEthernet1 self.logger.info("Deleting BondEthernet1") bond1.remove_vpp_config() self.logger.info("Verifying BondEthernet1 is deleted") ifs = self.vapi.cli("show interface") # verify BondEthernet0 still in the show self.assertIn('BondEthernet0', ifs) # verify BondEthernet1 not in the show self.assertNotIn('BondEthernet1', ifs) # verify BondEthernet1 is not in the dump if_dump = self.vapi.sw_interface_bond_dump() self.assertFalse(bond1.is_interface_config_in_dump(if_dump)) # verify BondEthernet0 is still in the dump self.assertTrue(bond0.is_interface_config_in_dump(if_dump)) # delete BondEthernet0 self.logger.info("Deleting BondEthernet0") bond0.remove_vpp_config() self.logger.info("Verifying BondEthernet0 is deleted") # verify BondEthernet0 not in the show ifs = self.vapi.cli("show interface") self.assertNotIn('BondEthernet0', ifs) # verify BondEthernet0 is not in the dump if_dump = self.vapi.sw_interface_bond_dump() self.assertFalse(bond0.is_interface_config_in_dump(if_dump)) if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)


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