Port over unified packet testing suite from old DTS. This suite tests the ability of the PMD to recognize valid or invalid packet flags.
Depends-on: Patch-143033 ("dts: add text parser for testpmd verbose output") Depends-on: Patch-142691 ("dts: add send_packets to test suites and rework packet addressing") Depends-on: Patch-143005 ("dts: add functions to testpmd shell") Signed-off-by: Dean Marx <dm...@iol.unh.edu> --- dts/tests/TestSuite_uni_pkt.py | 239 +++++++++++++++++++++++++++++++++ 1 file changed, 239 insertions(+) create mode 100644 dts/tests/TestSuite_uni_pkt.py diff --git a/dts/tests/TestSuite_uni_pkt.py b/dts/tests/TestSuite_uni_pkt.py new file mode 100644 index 0000000000..90a8f35fa1 --- /dev/null +++ b/dts/tests/TestSuite_uni_pkt.py @@ -0,0 +1,239 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2024 University of New Hampshire + +"""Unified packet type flag testing suite. + +According to DPDK documentation, each Poll Mode Driver should reserve 32 bits +of packet headers for unified packet type flags. These flags serve as an +identifier for user applications, and are divided into subcategories: +L2, L3, L4, tunnel, inner L2, inner L3, and inner L4 types. +This suite verifies the ability of the driver to recognize these types. + +""" + +from scapy.packet import Packet # type: ignore[import-untyped] +from scapy.layers.vxlan import VXLAN # type: ignore[import-untyped] +from scapy.contrib.nsh import NSH # type: ignore[import-untyped] +from scapy.layers.inet import IP, ICMP, TCP, UDP, GRE # type: ignore[import-untyped] +from scapy.layers.l2 import Ether, ARP # type: ignore[import-untyped] +from scapy.packet import Raw +from scapy.layers.inet6 import IPv6, IPv6ExtHdrFragment # type: ignore[import-untyped] +from scapy.layers.sctp import SCTP, SCTPChunkData # type: ignore[import-untyped] + +from framework.remote_session.testpmd_shell import (SimpleForwardingModes, TestPmdShell, + RtePTypes, TestPmdVerbosePacket) +from framework.test_suite import TestSuite + + +class TestUniPkt(TestSuite): + """DPDK Unified packet test suite. + + This testing suite uses testpmd's verbose output hardware/software + packet type field to verify the ability of the driver to recognize + unified packet types when receiving different packets. + + """ + + def set_up_suite(self) -> None: + """Set up the test suite. + + Setup: + Verify that at least two ports are open for session. + """ + self.verify(len(self._port_links) > 1, "Not enough ports") + + def send_packet_and_verify_flags(self, expected_flags: list[RtePTypes], + packet: Packet, testpmd: TestPmdShell) -> None: + """Sends a packet to the DUT and verifies the verbose ptype flags.""" + testpmd.start() + self.send_packet_and_capture(packet=packet) + verbose_output = testpmd.extract_verbose_output(testpmd.stop()) + valid = self.check_for_matching_packet(output=verbose_output, flags=expected_flags) + self.verify(valid, f"Packet type flag did not match the expected flag: {expected_flags}.") + + def check_for_matching_packet(self, output: list[TestPmdVerbosePacket], + flags: list[RtePTypes]) -> bool: + """Returns :data:`True` if the packet in verbose output contains all specified flags.""" + for packet in output: + if packet.dst_mac == "00:00:00:00:00:01": + for flag in flags: + if (flag not in packet.hw_ptype and flag not in packet.sw_ptype): + return False + return True + + def setup_session(self, testpmd: TestPmdShell) -> None: + """Sets the forwarding and verbose mode of each test case interactive shell session.""" + testpmd.set_forward_mode(SimpleForwardingModes.rxonly) + testpmd.set_verbose(level=1) + + def test_l2_packet_detect(self) -> None: + """Verify the correct flags are shown in verbose output when sending L2 packets.""" + mac_id = "00:00:00:00:00:01" + packet_list = [ + Ether(dst=mac_id, type=0x88f7) / Raw(), + Ether(dst=mac_id) / ARP() / Raw() + ] + flag_list = [ + [RtePTypes.L2_ETHER_TIMESYNC], + [RtePTypes.L2_ETHER_ARP] + ] + with TestPmdShell(node=self.sut_node) as testpmd: + self.setup_session(testpmd=testpmd) + for i in range(0, len(packet_list)): + self.send_packet_and_verify_flags(expected_flags=flag_list[i], + packet=packet_list[i], testpmd=testpmd) + + + def test_l3_l4_packet_detect(self) -> None: + """Verify correct flags are shown in the verbose output when sending IP/L4 packets.""" + mac_id = "00:00:00:00:00:01" + packet_list = [ + Ether(dst=mac_id) / IP() / Raw(), + Ether(dst=mac_id) / IP() / UDP() / Raw(), + Ether(dst=mac_id) / IP() / TCP() / Raw(), + Ether(dst=mac_id) / IP() / SCTP() / Raw(), + Ether(dst=mac_id) / IP() / ICMP() / Raw(), + Ether(dst=mac_id) / IP(frag=5) / TCP() / Raw(), + ] + flag_list = [ + [RtePTypes.L3_IPV4, RtePTypes.L2_ETHER], + [RtePTypes.L4_UDP], + [RtePTypes.L4_TCP], + [RtePTypes.L4_SCTP], + [RtePTypes.L4_ICMP], + [RtePTypes.L4_FRAG, RtePTypes.L3_IPV4_EXT_UNKNOWN, RtePTypes.L2_ETHER] + ] + with TestPmdShell(node=self.sut_node) as testpmd: + self.setup_session(testpmd=testpmd) + for i in range(0, len(packet_list)): + self.send_packet_and_verify_flags(expected_flags=flag_list[i], + packet=packet_list[i], testpmd=testpmd) + + def test_ipv6_l4_packet_detect(self) -> None: + """Verify correct flags are shown in the verbose output when sending IPv6/L4 packets.""" + mac_id = "00:00:00:00:00:01" + packet_list = [ + Ether(dst=mac_id) / IPv6() / Raw(), + Ether(dst=mac_id) / IPv6() / UDP() / Raw(), + Ether(dst=mac_id) / IPv6() / TCP() / Raw(), + Ether(dst=mac_id) / IPv6() / IPv6ExtHdrFragment() / Raw() + ] + flag_list = [ + [RtePTypes.L2_ETHER, RtePTypes.L3_IPV6], + [RtePTypes.L4_UDP], + [RtePTypes.L4_TCP], + [RtePTypes.L3_IPV6_EXT_UNKNOWN] + ] + with TestPmdShell(node=self.sut_node) as testpmd: + self.setup_session(testpmd=testpmd) + for i in range(0, len(packet_list)): + self.send_packet_and_verify_flags(expected_flags=flag_list[i], + packet=packet_list[i], testpmd=testpmd) + + def test_l3_tunnel_packet_detect(self) -> None: + """Verify correct flags are shown in the verbose output when sending IPv6/L4 packets.""" + mac_id = "00:00:00:00:00:01" + packet_list = [ + Ether(dst=mac_id) / IP() / IP(frag=5) / UDP() / Raw(), + Ether(dst=mac_id) / IP() / IP() / Raw(), + Ether(dst=mac_id) / IP() / IP() / UDP() / Raw(), + Ether(dst=mac_id) / IP() / IP() / TCP() / Raw(), + Ether(dst=mac_id) / IP() / IP() / SCTP() / Raw(), + Ether(dst=mac_id) / IP() / IP() / ICMP() / Raw(), + Ether(dst=mac_id) / IP() / IPv6() / IPv6ExtHdrFragment() / Raw() + ] + flag_list = [ + [RtePTypes.TUNNEL_IP, RtePTypes.L3_IPV4_EXT_UNKNOWN, RtePTypes.INNER_L4_FRAG], + [RtePTypes.TUNNEL_IP, RtePTypes.INNER_L4_NONFRAG], + [RtePTypes.TUNNEL_IP, RtePTypes.INNER_L4_UDP], + [RtePTypes.TUNNEL_IP, RtePTypes.INNER_L4_TCP], + [RtePTypes.TUNNEL_IP, RtePTypes.INNER_L4_SCTP], + [RtePTypes.TUNNEL_IP, RtePTypes.INNER_L4_ICMP], + [RtePTypes.TUNNEL_IP, RtePTypes.INNER_L3_IPV6_EXT_UNKNOWN, RtePTypes.INNER_L4_FRAG] + ] + with TestPmdShell(node=self.sut_node) as testpmd: + self.setup_session(testpmd=testpmd) + for i in range(0, len(packet_list)): + self.send_packet_and_verify_flags(expected_flags=flag_list[i], + packet=packet_list[i], testpmd=testpmd) + + def test_gre_tunnel_packet_detect(self) -> None: + """Verify the correct flags are shown in the verbose output when sending GRE packets.""" + mac_id = "00:00:00:00:00:01" + packet_list = [ + Ether(dst=mac_id) / IP() / GRE() / IP(frag=5) / Raw(), + Ether(dst=mac_id) / IP() / GRE() / IP() / Raw(), + Ether(dst=mac_id) / IP() / GRE() / IP() / UDP() / Raw(), + Ether(dst=mac_id) / IP() / GRE() / IP() / TCP() / Raw(), + Ether(dst=mac_id) / IP() / GRE() / IP() / SCTP() / Raw(), + Ether(dst=mac_id) / IP() / GRE() / IP() / ICMP() / Raw() + ] + flag_list = [ + [RtePTypes.TUNNEL_GRENAT, RtePTypes.INNER_L4_FRAG, RtePTypes.INNER_L3_IPV4_EXT_UNKNOWN], + [RtePTypes.TUNNEL_GRENAT, RtePTypes.INNER_L4_NONFRAG], + [RtePTypes.TUNNEL_GRENAT, RtePTypes.INNER_L4_UDP], + [RtePTypes.TUNNEL_GRENAT, RtePTypes.INNER_L4_TCP], + [RtePTypes.TUNNEL_GRENAT, RtePTypes.INNER_L4_SCTP], + [RtePTypes.TUNNEL_GRENAT, RtePTypes.INNER_L4_ICMP] + ] + with TestPmdShell(node=self.sut_node) as testpmd: + self.setup_session(testpmd=testpmd) + for i in range(0, len(packet_list)): + self.send_packet_and_verify_flags(expected_flags=flag_list[i], + packet=packet_list[i], testpmd=testpmd) + + def test_vxlan_tunnel_packet_detect(self) -> None: + """Verify the correct flags are shown in the verbose output when sending VXLAN packets.""" + mac_id = "00:00:00:00:00:01" + packet_list = [ + Ether(dst=mac_id) / IP() / UDP() / VXLAN() / Ether() / IP(frag=5) / Raw(), + Ether(dst=mac_id) / IP() / UDP() / VXLAN() / Ether() / IP() / Raw(), + Ether(dst=mac_id) / IP() / UDP() / VXLAN() / Ether() / IP() / UDP() / Raw(), + Ether(dst=mac_id) / IP() / UDP() / VXLAN() / Ether() / IP() / TCP() / Raw(), + Ether(dst=mac_id) / IP() / UDP() / VXLAN() / Ether() / IP() / SCTP() / Raw(), + Ether(dst=mac_id) / IP() / UDP() / VXLAN() / Ether() / IP() / ICMP() / Raw(), + (Ether(dst=mac_id) / IP() / UDP() / VXLAN() / Ether() + / IPv6() / IPv6ExtHdrFragment() / Raw()) + ] + flag_list = [ + [RtePTypes.TUNNEL_GRENAT, RtePTypes.INNER_L4_FRAG, RtePTypes.INNER_L3_IPV4_EXT_UNKNOWN], + [RtePTypes.TUNNEL_GRENAT, RtePTypes.INNER_L4_NONFRAG], + [RtePTypes.TUNNEL_GRENAT, RtePTypes.INNER_L4_UDP], + [RtePTypes.TUNNEL_GRENAT, RtePTypes.INNER_L4_TCP], + [RtePTypes.TUNNEL_GRENAT, RtePTypes.INNER_L4_SCTP], + [RtePTypes.TUNNEL_GRENAT, RtePTypes.INNER_L4_ICMP], + [RtePTypes.TUNNEL_GRENAT, RtePTypes.INNER_L3_IPV6_EXT_UNKNOWN, RtePTypes.INNER_L4_FRAG] + ] + with TestPmdShell(node=self.sut_node) as testpmd: + self.setup_session(testpmd=testpmd) + testpmd.rx_vxlan(vxlan_id=4789, port_id=0, add=True) + for i in range(0, len(packet_list)): + self.send_packet_and_verify_flags(expected_flags=flag_list[i], + packet=packet_list[i], testpmd=testpmd) + + def test_nsh_packet_detect(self) -> None: + """Verify the correct flags are shown in the verbose output when sending NSH packets.""" + mac_id = "00:00:00:00:00:01" + packet_list = [ + Ether(dst=mac_id, type=0x894f) / NSH() / IP(), + Ether(dst=mac_id, type=0x894f) / NSH() / IP() / ICMP(), + Ether(dst=mac_id, type=0x894f) / NSH() / IP(frag=1, flags="MF"), + Ether(dst=mac_id, type=0x894f) / NSH() / IP() / TCP(), + Ether(dst=mac_id, type=0x894f) / NSH() / IP() / UDP(), + Ether(dst=mac_id, type=0x894f) / NSH() / IP() / SCTP(tag=1) / SCTPChunkData(data='x'), + Ether(dst=mac_id, type=0x894f) / NSH() / IPv6() + ] + flag_list = [ + [RtePTypes.L2_ETHER_NSH, RtePTypes.L3_IPV4_EXT_UNKNOWN, RtePTypes.L4_NONFRAG], + [RtePTypes.L2_ETHER_NSH, RtePTypes.L3_IPV4_EXT_UNKNOWN, RtePTypes.L4_ICMP], + [RtePTypes.L2_ETHER_NSH, RtePTypes.L3_IPV4_EXT_UNKNOWN, RtePTypes.L4_FRAG], + [RtePTypes.L2_ETHER_NSH, RtePTypes.L3_IPV4_EXT_UNKNOWN, RtePTypes.L4_TCP], + [RtePTypes.L2_ETHER_NSH, RtePTypes.L3_IPV4_EXT_UNKNOWN, RtePTypes.L4_UDP], + [RtePTypes.L2_ETHER_NSH, RtePTypes.L3_IPV4_EXT_UNKNOWN, RtePTypes.L4_SCTP], + [RtePTypes.L2_ETHER_NSH, RtePTypes.L3_IPV6_EXT_UNKNOWN, RtePTypes.L4_NONFRAG], + ] + with TestPmdShell(node=self.sut_node) as testpmd: + self.setup_session(testpmd=testpmd) + for i in range(0, len(packet_list)): + self.send_packet_and_verify_flags(expected_flags=flag_list[i], + packet=packet_list[i], testpmd=testpmd) -- 2.44.0