index : vpp	master stable/1606 stable/1609 stable/1701 stable/1704 stable/1707 stable/1710 stable/1801 stable/1804 stable/1807 stable/1810 stable/1901 stable/1904 stable/1908 stable/2001 stable/2005 stable/2009 stable/2101 stable/2106 stable/2110 stable/2202 stable/2206 stable/2210 stable/2302 stable/2306 stable/2310 stable/2402 stable/2406 stable/2410 stable/test
	Vector Packet Processing	Grokmirror user

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log msg author committer range

path: root/src/plugins/avf/input.c

Age	Commit message (Expand)	Author	Files	Lines
2020-11-09	vlib: fix trace number accounting	Benoît Ganne	1	-12/+16
2020-10-26	avf: use atomic store instead of barrier	Damjan Marion	1	-2/+1
2020-09-11	avf: fix race between avf and cli/api process	Damjan Marion	1	-2/+1
2020-03-25	avf: fix rx queue refill on buffer alloc failure	Damjan Marion	1	-6/+6
2019-09-24	vlib: add flag to explicitelly mark nodes which can init per-node packet trace	Damjan Marion	1	-0/+1
2019-08-21	avf: print queue id in packet trace	Damjan Marion	1	-0/+1
2019-07-18	vlib: convert frame_index into real pointers	Andreas Schultz	1	-1/+1
2019-02-22	Add no-append flag to vlib_frame_t	Damjan Marion	1	-0/+1
2019-02-19	avf: fix feature arc, take two	Damjan Marion	1	-1/+2
2019-02-19	avf: fix feature arc	Damjan Marion	1	-0/+3
2019-01-30	buffers: add missing ref_count = 1 in drivers	Damjan Marion	1	-0/+1
2019-01-30	buffers: major cleanup and improvements	Damjan Marion	1	-1/+4
2019-01-18	Add vlib_buffer_copy_indices inline function	Damjan Marion	1	-1/+1
2019-01-18	deprecate clib_memcpy64_x4	Damjan Marion	1	-9/+15
2018-12-29	avf: chained buffers rx support	Damjan Marion	1	-35/+96
2018-12-26	avf: optimize RX function	Damjan Marion	1	-85/+68
2018-12-23	avf: optimize rx ring refill	Damjan Marion	1	-76/+53
2018-12-23	avf: new ethernet-input support	Damjan Marion	1	-146/+44
2018-11-14	Remove c-11 memcpy checks from perf-critical code	Dave Barach	1	-12/+12
2018-10-23	Numa-aware, growable physical memory allocator (pmalloc)	Damjan Marion	1	-6/+6
2018-10-22	vlib: introduce vlib_buffer_get_{pa,va,current_va,current_pa} inlines	Damjan Marion	1	-23/+17
2018-09-27	avf: may crash if failed to allocate buffers to ring	Steven	1	-1/+1
2018-08-13	Multiarch handling in different constructor macros	Damjan Marion	1	-2/+0
2018-08-03	Fix typo in trace trajectory init	Dave Barach	1	-1/+1
2018-07-11	avf: descriptor should be volatile	Damjan Marion	1	-13/+13
2018-06-02	AVF input node rework	Damjan Marion	1	-200/+332
2018-05-29	Add VLIB_NODE_FN() macro to simplify multiversioning of node functions	Damjan Marion	1	-18/+2
2018-03-28	avf: keep input node in disabled state unless needed	Damjan Marion	1	-1/+1
2018-03-26	Intel Adaptive Virtual Function native device driver plugin	Damjan Marion	1	-0/+439

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#!/usr/bin/env python
import binascii
import random
import socket
import unittest
import os
import scapy.layers.inet6 as inet6
import threading
import struct

from struct import unpack, unpack_from
from util import ppp, ppc
from re import compile
from scapy.packet import Raw
from scapy.layers.l2 import Ether
from scapy.layers.inet import IP, UDP, ICMP
from scapy.layers.inet6 import IPv6, ICMPv6DestUnreach
from framework import VppTestCase, VppTestRunner


# Format MAC Address
def get_mac_addr(bytes_addr):
    return ':'.join('%02x' % ord(b) for b in bytes_addr)


# Format IP Address
def ipv4(bytes_addr):
    return '.'.join('%d' % ord(b) for b in bytes_addr)


# Unpack Ethernet Frame
def ethernet_frame(data):
    dest_mac, src_mac, proto = struct.unpack('! 6s 6s H', data[:14])
    return dest_mac, src_mac, socket.htons(proto), data[14:]


# Unpack IPv4 Packets
def ipv4_packet(data):
    proto, src, target = struct.unpack('! 8x 1x B 2x 4s 4s', data[:20])
    return proto, src, target, data[20:]


# Unpack IPv6 Packets
def ipv6_packet(data):
    nh, src, target = struct.unpack('! 6x B 1x 16s 16s', data[:40])
    return nh, src, target, data[40:]


# Unpacks any UDP Packet
def udp_seg(data):
    src_port, dest_port, size = struct.unpack('! H H 2x H', data[:8])
    return src_port, dest_port, size, data[8:]


# Unpacks any TCP Packet
def tcp_seg(data):
    src_port, dest_port, seq, flag = struct.unpack('! H H L 4x H', data[:14])
    return src_port, dest_port, seq, data[((flag >> 12) * 4):]


def receivePackets(sock, counters):
    # Wait for some packets on socket
    while True:
        data = sock.recv(65536)

        # punt socket metadata
        # packet_desc = data[0:8]

        # Ethernet
        _, _, eth_proto, data = ethernet_frame(data[8:])
        # Ipv4
        if eth_proto == 8:
            proto, _, _, data = ipv4_packet(data)
            # TCP
            if proto == 6:
                _, dst_port, _, data = udp_seg(data)
            # UDP
            elif proto == 17:
                _, dst_port, _, data = udp_seg(data)
                counters[dst_port] = 0
        # Ipv6
        elif eth_proto == 0xdd86:
            nh, _, _, data = ipv6_packet(data)
            # TCP
            if nh == 6:
                _, dst_port, _, data = udp_seg(data)
            # UDP
            elif nh == 17:
                _, dst_port, _, data = udp_seg(data)
                counters[dst_port] = 0


class serverSocketThread(threading.Thread):
    """ Socket server thread"""

    def __init__(self, threadID, sockName, counters):
        threading.Thread.__init__(self)
        self.threadID = threadID
        self.sockName = sockName
        self.sock = None
        self.counters = counters

    def run(self):
        self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM)
        try:
            os.unlink(self.sockName)
        except:
            pass
        self.sock.bind(self.sockName)

        receivePackets(self.sock, self.counters)


class TestPuntSocket(VppTestCase):
    """ Punt Socket """

    ports = [1111, 2222, 3333, 4444]
    sock_servers = list()
    portsCheck = dict()
    nr_packets = 256

    @classmethod
    def setUpConstants(cls):
        cls.extra_vpp_punt_config = [
            "punt", "{", "socket", cls.tempdir+"/socket_punt", "}"]
        super(TestPuntSocket, cls).setUpConstants()

    def setUp(self):
        super(TestPuntSocket, self).setUp()
        random.seed()

        self.create_pg_interfaces(range(2))
        for i in self.pg_interfaces:
            i.admin_up()

    def tearDown(self):
        del self.sock_servers[:]

    def socket_client_create(self, sock_name, id=None):
        thread = serverSocketThread(id, sock_name, self.portsCheck)
        self.sock_servers.append(thread)
        thread.start()

    def socket_client_close(self):
        for thread in self.sock_servers:
            thread.sock.close()


class TestIP4PuntSocket(TestPuntSocket):
    """ Punt Socket for IPv4 """

    def setUp(self):
        super(TestIP4PuntSocket, self).setUp()

        for i in self.pg_interfaces:
            i.config_ip4()
            i.resolve_arp()

    def tearDown(self):
        super(TestIP4PuntSocket, self).tearDown()
        for i in self.pg_interfaces:
            i.unconfig_ip4()
            i.admin_down()

    def test_punt_socket_dump(self):
        """ Punt socket registration/deregistration"""

        punts = self.vapi.punt_socket_dump(is_ip6=0)
        self.assertEqual(len(punts), 0)

        #
        # configure a punt socket
        #
        self.vapi.punt_socket_register(1111, self.tempdir+"/socket_punt_1111")
        self.vapi.punt_socket_register(2222, self.tempdir+"/socket_punt_2222")
        punts = self.vapi.punt_socket_dump(is_ip6=0)
        self.assertEqual(len(punts), 2)
        self.assertEqual(punts[0].punt.l4_port, 1111)
        self.assertEqual(punts[1].punt.l4_port, 2222)

        #
        # deregister a punt socket
        #
        self.vapi.punt_socket_deregister(1111)
        punts = self.vapi.punt_socket_dump(is_ip6=0)
        self.assertEqual(len(punts), 1)

        #
        # configure a punt socket again
        #
        self.vapi.punt_socket_register(1111, self.tempdir+"/socket_punt_1111")
        self.vapi.punt_socket_register(3333, self.tempdir+"/socket_punt_3333")
        punts = self.vapi.punt_socket_dump(is_ip6=0)
        self.assertEqual(len(punts), 3)

        #
        # deregister all punt socket
        #
        self.vapi.punt_socket_deregister(1111)
        self.vapi.punt_socket_deregister(2222)
        self.vapi.punt_socket_deregister(3333)
        punts = self.vapi.punt_socket_dump(is_ip6=0)
        self.assertEqual(len(punts), 0)

    def test_punt_socket_traffic_single_port_single_socket(self):
        """ Punt socket traffic single port single socket"""

        port = self.ports[0]

        p = (Ether(src=self.pg0.remote_mac,
                   dst=self.pg0.local_mac) /
             IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
             UDP(sport=9876, dport=port) /
             Raw('\xa5' * 100))

        pkts = p * self.nr_packets
        self.portsCheck[port] = self.nr_packets

        punts = self.vapi.punt_socket_dump(is_ip6=0)
        self.assertEqual(len(punts), 0)

        #
        # expect ICMP - port unreachable for all packets
        #
        self.vapi.cli("clear trace")
        self.pg0.add_stream(pkts)
        self.pg_enable_capture(self.pg_interfaces)
        self.pg_start()
        # FIXME - when punt socket deregister is implemented
        # rx = self.pg0.get_capture(self.nr_packets)
        # for p in rx:
        #     self.assertEqual(int(p[IP].proto), 1)   # ICMP
        #     self.assertEqual(int(p[ICMP].code), 3)  # unreachable

        #
        # configure a punt socket
        #
        self.socket_client_create(self.tempdir+"/socket_" + str(port))
        self.vapi.punt_socket_register(port, self.tempdir+"/socket_" +
                                       str(port))
        punts = self.vapi.punt_socket_dump(is_ip6=0)
        self.assertEqual(len(punts), 1)

        self.logger.debug("Sending %s packets to port %d",
                          str(self.portsCheck[port]), port)
        #
        # expect punt socket and no packets on pg0
        #
        self.vapi.cli("clear errors")
        self.vapi.cli("clear trace")
        self.pg0.add_stream(pkts)
        self.pg_enable_capture(self.pg_interfaces)
        self.pg_start()
        self.pg0.get_capture(0)
        self.logger.info(self.vapi.cli("show trace"))
        self.socket_client_close()
        self.assertEqual(self.portsCheck[port], 0)

        #
        # remove punt socket. expect ICMP - port unreachable for all packets
        #
        self.vapi.punt_socket_deregister(port)
        punts = self.vapi.punt_socket_dump(is_ip6=0)
        self.assertEqual(len(punts), 0)
        self.pg0.add_stream(pkts)
        self.pg_enable_capture(self.pg_interfaces)
        self.pg_start()
        # FIXME - when punt socket deregister is implemented
        # self.pg0.get_capture(nr_packets)

    def test_punt_socket_traffic_multi_port_multi_sockets(self):
        """ Punt socket traffic multi ports and multi sockets"""

        for p in self.ports:
            self.portsCheck[p] = 0

        #
        # create stream with random pakets count per given ports
        #
        pkts = list()
        for _ in range(0, self.nr_packets):
            # choose port from port list
            p = random.choice(self.ports)
            pkts.append((
                Ether(src=self.pg0.remote_mac,
                      dst=self.pg0.local_mac) /
                IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
                UDP(sport=9876, dport=p) /
                Raw('\xa5' * 100)))
            self.portsCheck[p] += 1
        #
        # no punt socket
        #
        punts = self.vapi.punt_socket_dump(is_ip6=0)
        self.assertEqual(len(punts), 0)

        #
        # configure a punt socket
        #
        for p in self.ports:
            self.socket_client_create(self.tempdir+"/socket_" + str(p))
            self.vapi.punt_socket_register(p, self.tempdir+"/socket_" + str(p))
        punts = self.vapi.punt_socket_dump(is_ip6=0)
        self.assertEqual(len(punts), len(self.ports))

        for p in self.ports:
            self.logger.debug("Sending %s packets to port %d",
                              str(self.portsCheck[p]), p)

        #
        # expect punt socket and no packets on pg0
        #
        self.vapi.cli("clear errors")
        self.vapi.cli("clear trace")
        self.pg0.add_stream(pkts)
        self.pg_enable_capture(self.pg_interfaces)
        self.pg_start()
        self.pg0.get_capture(0)
        self.logger.info(self.vapi.cli("show trace"))
        self.socket_client_close()

        for p in self.ports:
            self.assertEqual(self.portsCheck[p], 0)
            self.vapi.punt_socket_deregister(p)
        punts = self.vapi.punt_socket_dump(is_ip6=0)
        self.assertEqual(len(punts), 0)

    def test_punt_socket_traffic_multi_ports_single_socket(self):
        """ Punt socket traffic multi ports and single socket"""

        for p in self.ports:
            self.portsCheck[p] = 0

        #
        # create stream with random pakets count per given ports
        #
        pkts = list()
        for _ in range(0, self.nr_packets):
            # choose port from port list
            p = random.choice(self.ports)
            pkts.append((
                Ether(src=self.pg0.remote_mac,
                      dst=self.pg0.local_mac) /
                IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
                UDP(sport=9876, dport=p) /
                Raw('\xa5' * 100)))
            self.portsCheck[p] += 1

        #
        # no punt socket
        #
        punts = self.vapi.punt_socket_dump(is_ip6=0)
        self.assertEqual(len(punts), 0)

        # configure a punt socket
        #
        self.socket_client_create(self.tempdir+"/socket_multi")
        for p in self.ports:
            self.vapi.punt_socket_register(p, self.tempdir+"/socket_multi")
        punts = self.vapi.punt_socket_dump(is_ip6=0)
        self.assertEqual(len(punts), len(self.ports))

        for p in self.ports:
            self.logger.debug("Sending %s packets to port %d",
                              str(self.portsCheck[p]), p)
        #
        # expect punt socket and no packets on pg0
        #
        self.vapi.cli("clear errors")
        self.vapi.cli("clear trace")
        self.pg0.add_stream(pkts)
        self.pg_enable_capture(self.pg_interfaces)
        self.pg_start()
        self.pg0.get_capture(0)
        self.logger.info(self.vapi.cli("show trace"))
        self.socket_client_close()

        for p in self.ports:
            self.assertEqual(self.portsCheck[p], 0)
            self.vapi.punt_socket_deregister(p)
        punts = self.vapi.punt_socket_dump(is_ip6=0)
        self.assertEqual(len(punts), 0)


class TestIP6PuntSocket(TestPuntSocket):
    """ Punt Socket for IPv6"""

    def setUp(self):
        super(TestIP6PuntSocket, self).setUp()

        for i in self.pg_interfaces:
            i.config_ip6()
            i.resolve_ndp()

    def tearDown(self):
        super(TestIP6PuntSocket, self).tearDown()
        for i in self.pg_interfaces:
            i.unconfig_ip6()
            i.admin_down()

    def test_punt_socket_dump(self):
        """ Punt socket registration """

        punts = self.vapi.punt_socket_dump(is_ip6=1)
        self.assertEqual(len(punts), 0)

        #
        # configure a punt socket
        #
        self.vapi.punt_socket_register(1111, self.tempdir+"/socket_1111",
                                       is_ip4=0)
        self.vapi.punt_socket_register(2222, self.tempdir+"/socket_2222",
                                       is_ip4=0)
        punts = self.vapi.punt_socket_dump(is_ip6=1)
        self.assertEqual(len(punts), 2)
        self.assertEqual(punts[0].punt.l4_port, 1111)
        self.assertEqual(punts[1].punt.l4_port, 2222)

        #
        # deregister a punt socket
        #
        self.vapi.punt_socket_deregister(1111, is_ip4=0)
        punts = self.vapi.punt_socket_dump(is_ip6=1)
        self.assertEqual(len(punts), 1)

        #
        # configure a punt socket again
        #
        self.vapi.punt_socket_register(1111, self.tempdir+"/socket_1111",
                                       is_ip4=0)
        punts = self.vapi.punt_socket_dump(is_ip6=1)
        self.assertEqual(len(punts), 2)

        #
        # deregister all punt socket
        #
        self.vapi.punt_socket_deregister(1111, is_ip4=0)
        self.vapi.punt_socket_deregister(2222, is_ip4=0)
        self.vapi.punt_socket_deregister(3333, is_ip4=0)
        punts = self.vapi.punt_socket_dump(is_ip6=1)
        self.assertEqual(len(punts), 0)

    def test_punt_socket_traffic_single_port_single_socket(self):
        """ Punt socket traffic single port single socket"""

        port = self.ports[0]

        p = (Ether(src=self.pg0.remote_mac,
                   dst=self.pg0.local_mac) /
             IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6) /
             inet6.UDP(sport=9876, dport=port) /
             Raw('\xa5' * 100))

        pkts = p * self.nr_packets
        self.portsCheck[port] = self.nr_packets

        punts = self.vapi.punt_socket_dump(is_ip6=1)
        self.assertEqual(len(punts), 0)

        #
        # expect ICMPv6 - destination unreachable for all packets
        #
        self.vapi.cli("clear trace")
        self.pg0.add_stream(pkts)
        self.pg_enable_capture(self.pg_interfaces)
        self.pg_start()
        # FIXME - when punt socket deregister is implemented
        # rx = self.pg0.get_capture(self.nr_packets)
        # for p in rx:
        #     self.assertEqual(int(p[IPv6].nh), 58)                # ICMPv6
        #     self.assertEqual(int(p[ICMPv6DestUnreach].code),4)  # unreachable

        #
        # configure a punt socket
        #
        self.socket_client_create(self.tempdir+"/socket_" + str(port))
        self.vapi.punt_socket_register(port, self.tempdir+"/socket_" +
                                       str(port), is_ip4=0)
        punts = self.vapi.punt_socket_dump(is_ip6=1)
        self.assertEqual(len(punts), 1)

        self.logger.debug("Sending %s packets to port %d",
                          str(self.portsCheck[port]), port)
        #
        # expect punt socket and no packets on pg0
        #
        self.vapi.cli("clear errors")
        self.vapi.cli("clear trace")
        self.pg0.add_stream(pkts)
        self.pg_enable_capture(self.pg_interfaces)
        self.pg_start()
        self.pg0.get_capture(0)
        self.logger.info(self.vapi.cli("show trace"))
        self.socket_client_close()
        self.assertEqual(self.portsCheck[port], 0)

        #
        # remove punt socket. expect ICMP - dest. unreachable for all packets
        #
        self.vapi.punt_socket_deregister(port, is_ip4=0)
        punts = self.vapi.punt_socket_dump(is_ip6=1)
        self.assertEqual(len(punts), 0)
        self.pg0.add_stream(pkts)
        self.pg_enable_capture(self.pg_interfaces)
        self.pg_start()
        # FIXME - when punt socket deregister is implemented
        # self.pg0.get_capture(nr_packets)

    def test_punt_socket_traffic_multi_port_multi_sockets(self):
        """ Punt socket traffic multi ports and multi sockets"""

        for p in self.ports:
            self.portsCheck[p] = 0

        #
        # create stream with random pakets count per given ports
        #
        pkts = list()
        for _ in range(0, self.nr_packets):
            # choose port from port list
            p = random.choice(self.ports)
            pkts.append((
                Ether(src=self.pg0.remote_mac,
                      dst=self.pg0.local_mac) /
                IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6) /
                inet6.UDP(sport=9876, dport=p) /
                Raw('\xa5' * 100)))
            self.portsCheck[p] += 1
        #
        # no punt socket
        #
        punts = self.vapi.punt_socket_dump(is_ip6=1)
        self.assertEqual(len(punts), 0)

        #
        # configure a punt socket
        #
        for p in self.ports:
            self.socket_client_create(self.tempdir+"/socket_" + str(p))
            self.vapi.punt_socket_register(p, self.tempdir+"/socket_" + str(p),
                                           is_ip4=0)
        punts = self.vapi.punt_socket_dump(is_ip6=1)
        self.assertEqual(len(punts), len(self.ports))

        for p in self.ports:
            self.logger.debug("Sending %s packets to port %d",
                              str(self.portsCheck[p]), p)

        #
        # expect punt socket and no packets on pg0
        #
        self.vapi.cli("clear errors")
        self.vapi.cli("clear trace")
        self.pg0.add_stream(pkts)
        self.pg_enable_capture(self.pg_interfaces)
        self.pg_start()
        self.pg0.get_capture(0)
        self.logger.info(self.vapi.cli("show trace"))
        self.socket_client_close()

        for p in self.ports:
            self.assertEqual(self.portsCheck[p], 0)
            self.vapi.punt_socket_deregister(p, is_ip4=0)
        punts = self.vapi.punt_socket_dump(is_ip6=1)
        self.assertEqual(len(punts), 0)

    def test_punt_socket_traffic_multi_ports_single_socket(self):
        """ Punt socket traffic multi ports and single socket"""

        for p in self.ports:
            self.portsCheck[p] = 0

        #
        # create stream with random pakets count per given ports
        #
        pkts = list()
        for _ in range(0, self.nr_packets):
            # choose port from port list
            p = random.choice(self.ports)
            pkts.append((
                Ether(src=self.pg0.remote_mac,
                      dst=self.pg0.local_mac) /
                IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6) /
                inet6.UDP(sport=9876, dport=p) /
                Raw('\xa5' * 100)))
            self.portsCheck[p] += 1

        #
        # no punt socket
        #
        punts = self.vapi.punt_socket_dump(is_ip6=1)
        self.assertEqual(len(punts), 0)

        #
        # configure a punt socket
        #
        self.socket_client_create(self.tempdir+"/socket_multi")
        for p in self.ports:
            self.vapi.punt_socket_register(p, self.tempdir+"/socket_multi",
                                           is_ip4=0)
        punts = self.vapi.punt_socket_dump(is_ip6=1)
        self.assertEqual(len(punts), len(self.ports))

        for p in self.ports:
            self.logger.debug("Send %s packets to port %d",
                              str(self.portsCheck[p]), p)
        #
        # expect punt socket and no packets on pg0
        #
        self.vapi.cli("clear errors")
        self.vapi.cli("clear trace")
        self.pg0.add_stream(pkts)
        self.pg_enable_capture(self.pg_interfaces)
        self.pg_start()
        self.pg0.get_capture(0)
        self.logger.info(self.vapi.cli("show trace"))
        self.socket_client_close()

        for p in self.ports:
            self.assertEqual(self.portsCheck[p], 0)
            self.vapi.punt_socket_deregister(p, is_ip4=0)
        punts = self.vapi.punt_socket_dump(is_ip6=1)
        self.assertEqual(len(punts), 0)

if __name__ == '__main__':
    unittest.main(testRunner=VppTestRunner)