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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright (c) 2005-2008 Jelmer Vernooij <jelmer@samba.org>
* Copyright (C) 2006-2014 Stefan Metzmacher <metze@samba.org>
* Copyright (C) 2013-2014 Andreas Schneider <asn@samba.org>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the author nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/*
Socket wrapper library. Passes all socket communication over
unix domain sockets if the environment variable SOCKET_WRAPPER_DIR
is set.
*/
#ifndef included_vcom_socket_wrapper_h
#define included_vcom_socket_wrapper_h
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/select.h>
#include <sys/epoll.h>
#include <poll.h>
#include <sys/uio.h>
#include <stdlib.h>
/* GCC have printf type attribute check. */
#ifdef HAVE_FUNCTION_ATTRIBUTE_FORMAT
#define PRINTF_ATTRIBUTE(a,b) __attribute__ ((__format__ (__printf__, a, b)))
#else
#define PRINTF_ATTRIBUTE(a,b)
#endif /* HAVE_FUNCTION_ATTRIBUTE_FORMAT */
#define HAVE_CONSTRUCTOR_ATTRIBUTE
#ifdef HAVE_CONSTRUCTOR_ATTRIBUTE
#define CONSTRUCTOR_ATTRIBUTE __attribute__ ((constructor))
#else
#define CONSTRUCTOR_ATTRIBUTE
}
#!/usr/bin/env python3
import unittest
import random
from scapy.packet import Raw
from scapy.layers.l2 import Ether, Dot1Q
from scapy.layers.inet import IP, UDP
from util import Host
from framework import VppTestCase, VppTestRunner
from vpp_sub_interface import L2_VTR_OP, VppDot1QSubint, VppDot1ADSubint
from collections import namedtuple
Tag = namedtuple("Tag", ["dot1", "vlan"])
DOT1AD = 0x88A8
DOT1Q = 0x8100
class TestVtr(VppTestCase):
"""VTR Test Case"""
@classmethod
def setUpClass(cls):
super(TestVtr, cls).setUpClass()
# Test variables
cls.bd_id = 1
cls.mac_entries_count = 5
cls.Atag = 100
cls.Btag = 200
cls.dot1ad_sub_id = 20
try:
ifs = range(3)
cls.create_pg_interfaces(ifs)
cls.sub_interfaces = [
VppDot1ADSubint(cls, cls.pg1, cls.dot1ad_sub_id, cls.Btag, cls.Atag),
VppDot1QSubint(cls, cls.pg2, cls.Btag),
]
interfaces = list(cls.pg_interfaces)
interfaces.extend(cls.sub_interfaces)
# Create BD with MAC learning enabled and put interfaces and
# sub-interfaces to this BD
for pg_if in cls.pg_interfaces:
sw_if_index = (
pg_if.sub_if.sw_if_index
if hasattr(pg_if, "sub_if")
else pg_if.sw_if_index
)
cls.vapi.sw_interface_set_l2_bridge(
rx_sw_if_index=sw_if_index, bd_id=cls.bd_id
)
# setup all interfaces
for i in interfaces:
i.admin_up()
# mapping between packet-generator index and lists of test hosts
cls.hosts_by_pg_idx = dict()
# create test host entries and inject packets to learn MAC entries
# in the bridge-domain
cls.create_hosts_and_learn(cls.mac_entries_count)
cls.logger.info(cls.vapi.ppcli("show l2fib"))
except Exception:
super(TestVtr, cls).tearDownClass()
raise
@classmethod
def tearDownClass(cls):
super(TestVtr, cls).tearDownClass()
def setUp(self):
"""
Clear trace and packet infos before running each test.
"""
super(TestVtr, self).setUp()
self.reset_packet_infos()
def tearDown(self):
"""
Show various debug prints after each test.
"""
super(TestVtr, self).tearDown()
def show_commands_at_teardown(self):
self.logger.info(self.vapi.ppcli("show l2fib verbose"))
self.logger.info(self.vapi.ppcli("show bridge-domain %s detail" % self.bd_id))
@classmethod
def create_hosts_and_learn(cls, count):
for pg_if in cls.pg_interfaces:
cls.hosts_by_pg_idx[pg_if.sw_if_index] = []
hosts = cls.hosts_by_pg_idx[pg_if.sw_if_index]
packets = []
for j in range(1, count + 1):
host = Host(
"00:00:00:ff:%02x:%02x" % (pg_if.sw_if_index, j),
"172.17.1%02x.%u" % (pg_if.sw_if_index, j),
)
packet = Ether(dst="ff:ff:ff:ff:ff:ff", src=host.mac)
hosts.append(host)
if hasattr(pg_if, "sub_if"):
packet = pg_if.sub_if.add_dot1_layer(packet)
packets.append(packet)
pg_if.add_stream(packets)
cls.logger.info("Sending broadcast eth frames for MAC learning")
cls.pg_enable_capture(cls.pg_interfaces)
cls.pg_start()
def create_packet(self, src_if, dst_if, do_dot1=True):
packet_sizes = [64, 512, 1518, 9018]
dst_host = random.choice(self.hosts_by_pg_idx[dst_if.sw_if_index])
src_host = random.choice(self.hosts_by_pg_idx[src_if.sw_if_index])
pkt_info = self.create_packet_info(src_if, dst_if)
payload = self.info_to_payload(pkt_info)
p = (
Ether(dst=dst_host.mac, src=src_host.mac)
/ IP(src=src_host.ip4, dst=
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