-# Copyright (c) 2020 Cisco and/or its affiliates.
+# Copyright (c) 2024 Cisco and/or its affiliates.
+# Copyright (c) 2024 PANTHEON.tech s.r.o.
# 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:
"""IPsec utilities library."""
-import os
-
from enum import Enum, IntEnum
-from io import open
+from io import open, TextIOWrapper
+from ipaddress import ip_network, ip_address, IPv4Address, IPv6Address
from random import choice
from string import ascii_letters
+from typing import Iterable, List, Optional, Sequence, Tuple, Union
-from ipaddress import ip_network, ip_address
+from robot.libraries.BuiltIn import BuiltIn
-from resources.libraries.python.InterfaceUtil import InterfaceUtil, \
- InterfaceStatusFlags
+from resources.libraries.python.Constants import Constants
+from resources.libraries.python.enum_util import get_enum_instance
+from resources.libraries.python.IncrementUtil import ObjIncrement
+from resources.libraries.python.InterfaceUtil import (
+ InterfaceUtil,
+ InterfaceStatusFlags,
+)
from resources.libraries.python.IPAddress import IPAddress
-from resources.libraries.python.IPUtil import IPUtil
+from resources.libraries.python.IPUtil import (
+ IPUtil,
+ IpDscp,
+ MPLS_LABEL_INVALID,
+ NetworkIncrement,
+)
from resources.libraries.python.PapiExecutor import PapiSocketExecutor
from resources.libraries.python.ssh import scp_node
-from resources.libraries.python.topology import Topology
-from resources.libraries.python.VatExecutor import VatExecutor
+from resources.libraries.python.topology import Topology, NodeType
+from resources.libraries.python.VPPUtil import VPPUtil
+from resources.libraries.python.FlowUtil import FlowUtil
+
+IPSEC_UDP_PORT_DEFAULT = 4500
+IPSEC_REPLAY_WINDOW_DEFAULT = 64
-def gen_key(length):
+
+def gen_key(length: int) -> bytes:
"""Generate random string as a key.
:param length: Length of generated payload.
:returns: The generated payload.
:rtype: bytes
"""
- return u"".join(
- choice(ascii_letters) for _ in range(length)
- ).encode(encoding=u"utf-8")
+ return "".join(choice(ascii_letters) for _ in range(length)).encode(
+ encoding="utf-8"
+ )
+
+
+# TODO: Introduce a metaclass that adds .find and .InputType automatically?
+class IpsecSpdAction(Enum):
+ """IPsec SPD actions.
+
+ Mirroring VPP: src/vnet/ipsec/ipsec_types.api enum ipsec_spd_action.
+ """
+
+ BYPASS = NONE = ("bypass", 0)
+ DISCARD = ("discard", 1)
+ RESOLVE = ("resolve", 2)
+ PROTECT = ("protect", 3)
+ def __init__(self, action_name: str, action_int_repr: int):
+ self.action_name = action_name
+ self.action_int_repr = action_int_repr
-class PolicyAction(Enum):
- """Policy actions."""
- BYPASS = (u"bypass", 0)
- DISCARD = (u"discard", 1)
- PROTECT = (u"protect", 3)
+ def __str__(self) -> str:
+ return self.action_name
- def __init__(self, policy_name, policy_int_repr):
- self.policy_name = policy_name
- self.policy_int_repr = policy_int_repr
+ def __int__(self) -> int:
+ return self.action_int_repr
class CryptoAlg(Enum):
"""Encryption algorithms."""
- AES_CBC_128 = (u"aes-cbc-128", 1, u"AES-CBC", 16)
- AES_CBC_256 = (u"aes-cbc-256", 3, u"AES-CBC", 32)
- AES_GCM_128 = (u"aes-gcm-128", 7, u"AES-GCM", 16)
- AES_GCM_256 = (u"aes-gcm-256", 9, u"AES-GCM", 32)
- def __init__(self, alg_name, alg_int_repr, scapy_name, key_len):
+ NONE = ("none", 0, "none", 0)
+ AES_CBC_128 = ("aes-cbc-128", 1, "AES-CBC", 16)
+ AES_CBC_256 = ("aes-cbc-256", 3, "AES-CBC", 32)
+ AES_GCM_128 = ("aes-gcm-128", 7, "AES-GCM", 16)
+ AES_GCM_256 = ("aes-gcm-256", 9, "AES-GCM", 32)
+
+ def __init__(
+ self, alg_name: str, alg_int_repr: int, scapy_name: str, key_len: int
+ ):
self.alg_name = alg_name
self.alg_int_repr = alg_int_repr
self.scapy_name = scapy_name
self.key_len = key_len
+ # TODO: Investigate if __int__ works with PAPI. It was not enough for "if".
+ def __bool__(self):
+ """A shorthand to enable "if crypto_alg:" constructs."""
+ return self.alg_int_repr != 0
+
class IntegAlg(Enum):
"""Integrity algorithm."""
- SHA_256_128 = (u"sha-256-128", 4, u"SHA2-256-128", 32)
- SHA_512_256 = (u"sha-512-256", 6, u"SHA2-512-256", 64)
- def __init__(self, alg_name, alg_int_repr, scapy_name, key_len):
+ NONE = ("none", 0, "none", 0)
+ SHA_256_128 = ("sha-256-128", 4, "SHA2-256-128", 32)
+ SHA_512_256 = ("sha-512-256", 6, "SHA2-512-256", 64)
+
+ def __init__(
+ self, alg_name: str, alg_int_repr: int, scapy_name: str, key_len: int
+ ):
self.alg_name = alg_name
self.alg_int_repr = alg_int_repr
self.scapy_name = scapy_name
self.key_len = key_len
+ def __bool__(self):
+ """A shorthand to enable "if integ_alg:" constructs."""
+ return self.alg_int_repr != 0
-class IPsecProto(IntEnum):
- """IPsec protocol."""
- IPSEC_API_PROTO_ESP = 50
- IPSEC_API_PROTO_AH = 51
-
-
-class IPsecSadFlags(IntEnum):
- """IPsec Security Association Database flags."""
- IPSEC_API_SAD_FLAG_NONE = 0
- IPSEC_API_SAD_FLAG_IS_TUNNEL = 4
- IPSEC_API_SAD_FLAG_IS_TUNNEL_V6 = 8
-
-
-class IPsecUtil:
- """IPsec utilities."""
-
- @staticmethod
- def policy_action_bypass():
- """Return policy action bypass.
-
- :returns: PolicyAction enum BYPASS object.
- :rtype: PolicyAction
- """
- return PolicyAction.BYPASS
- @staticmethod
- def policy_action_discard():
- """Return policy action discard.
+# TODO: Base on Enum, so str values can be defined as in alg enums?
+class IPsecProto(IntEnum):
+ """IPsec protocol.
- :returns: PolicyAction enum DISCARD object.
- :rtype: PolicyAction
- """
- return PolicyAction.DISCARD
+ Mirroring VPP: src/vnet/ipsec/ipsec_types.api enum ipsec_proto.
+ """
- @staticmethod
- def policy_action_protect():
- """Return policy action protect.
+ ESP = 50
+ AH = 51
+ NONE = 255
- :returns: PolicyAction enum PROTECT object.
- :rtype: PolicyAction
- """
- return PolicyAction.PROTECT
+ def __str__(self) -> str:
+ """Return string suitable for CLI commands.
- @staticmethod
- def crypto_alg_aes_cbc_128():
- """Return encryption algorithm aes-cbc-128.
+ None is not supported.
- :returns: CryptoAlg enum AES_CBC_128 object.
- :rtype: CryptoAlg
+ :returns: Lowercase name of the proto.
+ :rtype: str
+ :raises: ValueError if the numeric value is not recognized.
"""
- return CryptoAlg.AES_CBC_128
+ num = int(self)
+ if num == 50:
+ return "esp"
+ if num == 51:
+ return "ah"
+ raise ValueError(f"String form not defined for IPsecProto {num}")
- @staticmethod
- def crypto_alg_aes_cbc_256():
- """Return encryption algorithm aes-cbc-256.
- :returns: CryptoAlg enum AES_CBC_256 object.
- :rtype: CryptoAlg
- """
- return CryptoAlg.AES_CBC_256
+# The rest of enums do not appear outside this file, so no no change needed yet.
+class IPsecSadFlags(IntEnum):
+ """IPsec Security Association Database flags."""
- @staticmethod
- def crypto_alg_aes_gcm_128():
- """Return encryption algorithm aes-gcm-128.
+ IPSEC_API_SAD_FLAG_NONE = NONE = 0
+ # Enable extended sequence numbers
+ IPSEC_API_SAD_FLAG_USE_ESN = 0x01
+ # Enable Anti - replay
+ IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY = 0x02
+ # IPsec tunnel mode if non-zero, else transport mode
+ IPSEC_API_SAD_FLAG_IS_TUNNEL = 0x04
+ # IPsec tunnel mode is IPv6 if non-zero, else IPv4 tunnel
+ # only valid if is_tunnel is non-zero
+ IPSEC_API_SAD_FLAG_IS_TUNNEL_V6 = 0x08
+ # Enable UDP encapsulation for NAT traversal
+ IPSEC_API_SAD_FLAG_UDP_ENCAP = 0x10
+ # IPsec SA is or inbound traffic
+ IPSEC_API_SAD_FLAG_IS_INBOUND = 0x40
+
+
+class TunnelEncpaDecapFlags(IntEnum):
+ """Flags controlling tunnel behaviour."""
+
+ TUNNEL_API_ENCAP_DECAP_FLAG_NONE = NONE = 0
+ # at encap, copy the DF bit of the payload into the tunnel header
+ TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_DF = 1
+ # at encap, set the DF bit in the tunnel header
+ TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_SET_DF = 2
+ # at encap, copy the DSCP bits of the payload into the tunnel header
+ TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP = 4
+ # at encap, copy the ECN bit of the payload into the tunnel header
+ TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN = 8
+ # at decap, copy the ECN bit of the tunnel header into the payload
+ TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_SET_ECN = 16
+
+
+class TunnelMode(IntEnum):
+ """Tunnel modes."""
+
+ # point-to-point
+ TUNNEL_API_MODE_P2P = NONE = 0
+ # multi-point
+ TUNNEL_API_MODE_MP = 1
+
+
+# Derived types for type hints, based on capabilities of get_enum_instance.
+IpsecSpdAction.InputType = Union[IpsecSpdAction, str, None]
+CryptoAlg.InputType = Union[CryptoAlg, str, None]
+IntegAlg.InputType = Union[IntegAlg, str, None]
+IPsecProto.InputType = Union[IPsecProto, str, int, None]
+# TODO: Introduce a metaclass that adds .find and .InputType automatically?
- :returns: CryptoAlg enum AES_GCM_128 object.
- :rtype: CryptoAlg
- """
- return CryptoAlg.AES_GCM_128
- @staticmethod
- def crypto_alg_aes_gcm_256():
- """Return encryption algorithm aes-gcm-256.
+class IPsecUtil:
+ """IPsec utilities."""
- :returns: CryptoAlg enum AES_GCM_128 object.
- :rtype: CryptoAlg
- """
- return CryptoAlg.AES_GCM_256
+ # The following 4 methods are Python one-liners,
+ # but they are useful when called as a Robot keyword.
@staticmethod
- def get_crypto_alg_key_len(crypto_alg):
+ def get_crypto_alg_key_len(crypto_alg: CryptoAlg.InputType) -> int:
"""Return encryption algorithm key length.
+ This is a Python one-liner, but useful when called as a Robot keyword.
+
:param crypto_alg: Encryption algorithm.
- :type crypto_alg: CryptoAlg
+ :type crypto_alg: CryptoAlg.InputType
:returns: Key length.
:rtype: int
"""
- return crypto_alg.key_len
+ return get_enum_instance(CryptoAlg, crypto_alg).key_len
@staticmethod
- def get_crypto_alg_scapy_name(crypto_alg):
+ def get_crypto_alg_scapy_name(crypto_alg: CryptoAlg.InputType) -> str:
"""Return encryption algorithm scapy name.
+ This is a Python one-liner, but useful when called as a Robot keyword.
+
:param crypto_alg: Encryption algorithm.
- :type crypto_alg: CryptoAlg
+ :type crypto_alg: CryptoAlg.InputType
:returns: Algorithm scapy name.
:rtype: str
"""
- return crypto_alg.scapy_name
-
- @staticmethod
- def integ_alg_sha_256_128():
- """Return integrity algorithm SHA-256-128.
-
- :returns: IntegAlg enum SHA_256_128 object.
- :rtype: IntegAlg
- """
- return IntegAlg.SHA_256_128
+ return get_enum_instance(CryptoAlg, crypto_alg).scapy_name
+ # The below to keywords differ only by enum type conversion from str.
@staticmethod
- def integ_alg_sha_512_256():
- """Return integrity algorithm SHA-512-256.
-
- :returns: IntegAlg enum SHA_512_256 object.
- :rtype: IntegAlg
- """
- return IntegAlg.SHA_512_256
-
- @staticmethod
- def get_integ_alg_key_len(integ_alg):
+ def get_integ_alg_key_len(integ_alg: IntegAlg.InputType) -> int:
"""Return integrity algorithm key length.
:param integ_alg: Integrity algorithm.
- :type integ_alg: IntegAlg
+ :type integ_alg: IntegAlg.InputType
:returns: Key length.
:rtype: int
"""
- return integ_alg.key_len
+ return get_enum_instance(IntegAlg, integ_alg).key_len
@staticmethod
- def get_integ_alg_scapy_name(integ_alg):
+ def get_integ_alg_scapy_name(integ_alg: IntegAlg.InputType) -> str:
"""Return integrity algorithm scapy name.
:param integ_alg: Integrity algorithm.
- :type integ_alg: IntegAlg
+ :type integ_alg: IntegAlg.InputType
:returns: Algorithm scapy name.
:rtype: str
"""
- return integ_alg.scapy_name
-
- @staticmethod
- def ipsec_proto_esp():
- """Return IPSec protocol ESP.
-
- :returns: IPsecProto enum ESP object.
- :rtype: IPsecProto
- """
- return int(IPsecProto.IPSEC_API_PROTO_ESP)
+ return get_enum_instance(IntegAlg, integ_alg).scapy_name
@staticmethod
- def ipsec_proto_ah():
- """Return IPSec protocol AH.
-
- :returns: IPsecProto enum AH object.
- :rtype: IPsecProto
- """
- return int(IPsecProto.IPSEC_API_PROTO_AH)
-
- @staticmethod
- def vpp_ipsec_select_backend(node, protocol, index=1):
+ def vpp_ipsec_select_backend(
+ node: dict, proto: IPsecProto.InputType, index: int = 1
+ ) -> None:
"""Select IPsec backend.
:param node: VPP node to select IPsec backend on.
- :param protocol: IPsec protocol.
+ :param proto: IPsec protocol.
:param index: Backend index.
:type node: dict
- :type protocol: IPsecProto
+ :type proto: IPsecProto.InputType
:type index: int
:raises RuntimeError: If failed to select IPsec backend or if no API
reply received.
"""
- cmd = u"ipsec_select_backend"
- err_msg = f"Failed to select IPsec backend on host {node[u'host']}"
- args = dict(
- protocol=protocol,
- index=index
- )
+ proto = get_enum_instance(IPsecProto, proto)
+ cmd = "ipsec_select_backend"
+ err_msg = f"Failed to select IPsec backend on host {node['host']}"
+ args = dict(protocol=proto, index=index)
with PapiSocketExecutor(node) as papi_exec:
papi_exec.add(cmd, **args).get_reply(err_msg)
+ @staticmethod
+ def vpp_ipsec_set_async_mode(node: dict, async_enable: int = 1) -> None:
+ """Set IPsec async mode on|off.
+
+ Unconditionally, attempt to switch crypto dispatch into polling mode.
+
+ :param node: VPP node to set IPsec async mode.
+ :param async_enable: Async mode on or off.
+ :type node: dict
+ :type async_enable: int
+ :raises RuntimeError: If failed to set IPsec async mode or if no API
+ reply received.
+ """
+ with PapiSocketExecutor(node) as papi_exec:
+ cmd = "ipsec_set_async_mode"
+ err_msg = f"Failed to set IPsec async mode on host {node['host']}"
+ args = dict(async_enable=async_enable)
+ papi_exec.add(cmd, **args).get_reply(err_msg)
+ cmd = "crypto_set_async_dispatch_v2"
+ err_msg = "Failed to set dispatch mode."
+ args = dict(mode=0, adaptive=False)
+ try:
+ papi_exec.add(cmd, **args).get_reply(err_msg)
+ except (AttributeError, RuntimeError):
+ # Expected when VPP build does not have the _v2 yet
+ # (after and before the first CRC check).
+ # TODO: Fail here when testing of pre-23.10 builds is over.
+ pass
+
+ @staticmethod
+ def vpp_ipsec_crypto_sw_scheduler_set_worker(
+ node: dict, workers: Iterable[int], crypto_enable: bool = False
+ ) -> None:
+ """Enable or disable crypto on specific vpp worker threads.
+
+ :param node: VPP node to enable or disable crypto for worker threads.
+ :param workers: List of VPP thread numbers.
+ :param crypto_enable: Disable or enable crypto work.
+ :type node: dict
+ :type workers: Iterable[int]
+ :type crypto_enable: bool
+ :raises RuntimeError: If failed to enable or disable crypto for worker
+ thread or if no API reply received.
+ """
+ for worker in workers:
+ cmd = "crypto_sw_scheduler_set_worker"
+ err_msg = (
+ "Failed to disable/enable crypto for worker thread"
+ f" on host {node['host']}"
+ )
+ args = dict(worker_index=worker - 1, crypto_enable=crypto_enable)
+ with PapiSocketExecutor(node) as papi_exec:
+ papi_exec.add(cmd, **args).get_reply(err_msg)
+
+ @staticmethod
+ def vpp_ipsec_crypto_sw_scheduler_set_worker_on_all_duts(
+ nodes: dict, crypto_enable: bool = False
+ ) -> None:
+ """Enable or disable crypto on specific vpp worker threads.
+
+ :param node: VPP node to enable or disable crypto for worker threads.
+ :param crypto_enable: Disable or enable crypto work.
+ :type node: dict
+ :type crypto_enable: bool
+ :raises RuntimeError: If failed to enable or disable crypto for worker
+ thread or if no API reply received.
+ """
+ for node_name, node in nodes.items():
+ if node["type"] == NodeType.DUT:
+ thread_data = VPPUtil.vpp_show_threads(node)
+ worker_cnt = len(thread_data) - 1
+ if not worker_cnt:
+ return
+ worker_ids = list()
+ workers = BuiltIn().get_variable_value(
+ f"${{{node_name}_cpu_dp}}"
+ )
+ for item in thread_data:
+ if str(item.cpu_id) in workers.split(","):
+ worker_ids.append(item.id)
+
+ IPsecUtil.vpp_ipsec_crypto_sw_scheduler_set_worker(
+ node, workers=worker_ids, crypto_enable=crypto_enable
+ )
+
@staticmethod
def vpp_ipsec_add_sad_entry(
- node, sad_id, spi, crypto_alg, crypto_key, integ_alg=None,
- integ_key=u"", tunnel_src=None, tunnel_dst=None):
+ node: dict,
+ sad_id: int,
+ spi: int,
+ crypto_alg: CryptoAlg.InputType = None,
+ crypto_key: str = "",
+ integ_alg: IntegAlg.InputType = None,
+ integ_key: str = "",
+ tunnel_src: Optional[str] = None,
+ tunnel_dst: Optional[str] = None,
+ ) -> None:
"""Create Security Association Database entry on the VPP node.
:param node: VPP node to add SAD entry on.
:type node: dict
:type sad_id: int
:type spi: int
- :type crypto_alg: CryptoAlg
+ :type crypto_alg: CryptoAlg.InputType
:type crypto_key: str
- :type integ_alg: IntegAlg
+ :type integ_alg: IntegAlg.InputType
:type integ_key: str
- :type tunnel_src: str
- :type tunnel_dst: str
+ :type tunnel_src: Optional[str]
+ :type tunnel_dst: Optional[str]
"""
+ crypto_alg = get_enum_instance(CryptoAlg, crypto_alg)
+ integ_alg = get_enum_instance(IntegAlg, integ_alg)
if isinstance(crypto_key, str):
- crypto_key = crypto_key.encode(encoding=u"utf-8")
+ crypto_key = crypto_key.encode(encoding="utf-8")
if isinstance(integ_key, str):
- integ_key = integ_key.encode(encoding=u"utf-8")
- ckey = dict(
- length=len(crypto_key),
- data=crypto_key
- )
- ikey = dict(
- length=len(integ_key),
- data=integ_key if integ_key else 0
- )
+ integ_key = integ_key.encode(encoding="utf-8")
+ ckey = dict(length=len(crypto_key), data=crypto_key)
+ ikey = dict(length=len(integ_key), data=integ_key if integ_key else 0)
flags = int(IPsecSadFlags.IPSEC_API_SAD_FLAG_NONE)
if tunnel_src and tunnel_dst:
src_addr = ip_address(tunnel_src)
dst_addr = ip_address(tunnel_dst)
if src_addr.version == 6:
- flags = \
- flags | int(IPsecSadFlags.IPSEC_API_SAD_FLAG_IS_TUNNEL_V6)
+ flags = flags | int(
+ IPsecSadFlags.IPSEC_API_SAD_FLAG_IS_TUNNEL_V6
+ )
else:
- src_addr = u""
- dst_addr = u""
+ src_addr = ""
+ dst_addr = ""
- cmd = u"ipsec_sad_entry_add_del"
- err_msg = f"Failed to add Security Association Database entry " \
- f"on host {node[u'host']}"
+ cmd = "ipsec_sad_entry_add_v2"
+ err_msg = (
+ "Failed to add Security Association Database entry"
+ f" on host {node['host']}"
+ )
sad_entry = dict(
sad_id=int(sad_id),
spi=int(spi),
crypto_algorithm=crypto_alg.alg_int_repr,
crypto_key=ckey,
- integrity_algorithm=integ_alg.alg_int_repr if integ_alg else 0,
+ integrity_algorithm=integ_alg.alg_int_repr,
integrity_key=ikey,
flags=flags,
- tunnel_src=str(src_addr),
- tunnel_dst=str(dst_addr),
- protocol=int(IPsecProto.IPSEC_API_PROTO_ESP)
- )
- args = dict(
- is_add=True,
- entry=sad_entry
+ tunnel=dict(
+ src=str(src_addr),
+ dst=str(dst_addr),
+ table_id=0,
+ encap_decap_flags=int(
+ TunnelEncpaDecapFlags.TUNNEL_API_ENCAP_DECAP_FLAG_NONE
+ ),
+ dscp=int(IpDscp.IP_API_DSCP_CS0),
+ ),
+ protocol=IPsecProto.ESP,
+ udp_src_port=IPSEC_UDP_PORT_DEFAULT,
+ udp_dst_port=IPSEC_UDP_PORT_DEFAULT,
+ anti_replay_window_size=IPSEC_REPLAY_WINDOW_DEFAULT,
)
+ args = dict(entry=sad_entry)
with PapiSocketExecutor(node) as papi_exec:
papi_exec.add(cmd, **args).get_reply(err_msg)
@staticmethod
def vpp_ipsec_add_sad_entries(
- node, n_entries, sad_id, spi, crypto_alg, crypto_key,
- integ_alg=None, integ_key=u"", tunnel_src=None, tunnel_dst=None):
+ node: dict,
+ n_entries: int,
+ sad_id: int,
+ spi: int,
+ crypto_alg: CryptoAlg.InputType = None,
+ crypto_key: str = "",
+ integ_alg: IntegAlg.InputType = None,
+ integ_key: str = "",
+ tunnel_src: Optional[str] = None,
+ tunnel_dst: Optional[str] = None,
+ tunnel_addr_incr: bool = True,
+ ) -> None:
"""Create multiple Security Association Database entries on VPP node.
:param node: VPP node to add SAD entry on.
specified ESP transport mode is used.
:param tunnel_dst: Tunnel header destination IPv4 or IPv6 address. If
not specified ESP transport mode is used.
+ :param tunnel_addr_incr: Enable or disable tunnel IP address
+ incremental step.
:type node: dict
:type n_entries: int
:type sad_id: int
:type spi: int
- :type crypto_alg: CryptoAlg
+ :type crypto_alg: CryptoAlg.InputType
:type crypto_key: str
- :type integ_alg: IntegAlg
+ :type integ_alg: IntegAlg.InputType
:type integ_key: str
- :type tunnel_src: str
- :type tunnel_dst: str
+ :type tunnel_src: Optional[str]
+ :type tunnel_dst: Optional[str]
+ :type tunnel_addr_incr: bool
"""
+ crypto_alg = get_enum_instance(CryptoAlg, crypto_alg)
+ integ_alg = get_enum_instance(IntegAlg, integ_alg)
if isinstance(crypto_key, str):
- crypto_key = crypto_key.encode(encoding=u"utf-8")
+ crypto_key = crypto_key.encode(encoding="utf-8")
if isinstance(integ_key, str):
- integ_key = integ_key.encode(encoding=u"utf-8")
+ integ_key = integ_key.encode(encoding="utf-8")
if tunnel_src and tunnel_dst:
src_addr = ip_address(tunnel_src)
dst_addr = ip_address(tunnel_dst)
else:
- src_addr = u""
- dst_addr = u""
-
- addr_incr = 1 << (128 - 96) if src_addr.version == 6 \
- else 1 << (32 - 24)
+ src_addr = ""
+ dst_addr = ""
- if int(n_entries) > 10:
- tmp_filename = f"/tmp/ipsec_sad_{sad_id}_add_del_entry.script"
-
- with open(tmp_filename, 'w') as tmp_file:
- for i in range(n_entries):
- integ = f"integ-alg {integ_alg.alg_name} " \
- f"integ-key {integ_key.hex()}" \
- if integ_alg else u""
- tunnel = f"tunnel-src {src_addr + i * addr_incr} " \
- f"tunnel-dst {dst_addr + i * addr_incr}" \
- if tunnel_src and tunnel_dst else u""
- conf = f"exec ipsec sa add {sad_id + i} esp spi {spi + i} "\
- f"crypto-alg {crypto_alg.alg_name} " \
- f"crypto-key {crypto_key.hex()} " \
- f"{integ} {tunnel}\n"
- tmp_file.write(conf)
- vat = VatExecutor()
- vat.execute_script(
- tmp_filename, node, timeout=300, json_out=False,
- copy_on_execute=True
+ if tunnel_addr_incr:
+ addr_incr = (
+ 1 << (128 - 96) if src_addr.version == 6 else 1 << (32 - 24)
)
- os.remove(tmp_filename)
- return
+ else:
+ addr_incr = 0
- ckey = dict(
- length=len(crypto_key),
- data=crypto_key
- )
- ikey = dict(
- length=len(integ_key),
- data=integ_key if integ_key else 0
- )
+ ckey = dict(length=len(crypto_key), data=crypto_key)
+ ikey = dict(length=len(integ_key), data=integ_key if integ_key else 0)
flags = int(IPsecSadFlags.IPSEC_API_SAD_FLAG_NONE)
if tunnel_src and tunnel_dst:
IPsecSadFlags.IPSEC_API_SAD_FLAG_IS_TUNNEL_V6
)
- cmd = u"ipsec_sad_entry_add_del"
- err_msg = f"Failed to add Security Association Database entry " \
- f"on host {node[u'host']}"
+ cmd = "ipsec_sad_entry_add_v2"
+ err_msg = (
+ "Failed to add Security Association Database entry"
+ f" on host {node['host']}"
+ )
sad_entry = dict(
sad_id=int(sad_id),
spi=int(spi),
crypto_algorithm=crypto_alg.alg_int_repr,
crypto_key=ckey,
- integrity_algorithm=integ_alg.alg_int_repr if integ_alg else 0,
+ integrity_algorithm=integ_alg.alg_int_repr,
integrity_key=ikey,
flags=flags,
- tunnel_src=str(src_addr),
- tunnel_dst=str(dst_addr),
- protocol=int(IPsecProto.IPSEC_API_PROTO_ESP)
- )
- args = dict(
- is_add=True,
- entry=sad_entry
+ tunnel=dict(
+ src=str(src_addr),
+ dst=str(dst_addr),
+ table_id=0,
+ encap_decap_flags=int(
+ TunnelEncpaDecapFlags.TUNNEL_API_ENCAP_DECAP_FLAG_NONE
+ ),
+ dscp=int(IpDscp.IP_API_DSCP_CS0),
+ ),
+ protocol=IPsecProto.ESP,
+ udp_src_port=IPSEC_UDP_PORT_DEFAULT,
+ udp_dst_port=IPSEC_UDP_PORT_DEFAULT,
+ anti_replay_window_size=IPSEC_REPLAY_WINDOW_DEFAULT,
)
- with PapiSocketExecutor(node) as papi_exec:
+ args = dict(entry=sad_entry)
+ with PapiSocketExecutor(node, is_async=True) as papi_exec:
for i in range(n_entries):
- args[u"entry"][u"sad_id"] = int(sad_id) + i
- args[u"entry"][u"spi"] = int(spi) + i
- args[u"entry"][u"tunnel_src"] = str(src_addr + i * addr_incr) \
- if tunnel_src and tunnel_dst else src_addr
- args[u"entry"][u"tunnel_dst"] = str(dst_addr + i * addr_incr) \
- if tunnel_src and tunnel_dst else dst_addr
+ args["entry"]["sad_id"] = int(sad_id) + i
+ args["entry"]["spi"] = int(spi) + i
+ args["entry"]["tunnel"]["src"] = (
+ str(src_addr + i * addr_incr)
+ if tunnel_src and tunnel_dst
+ else src_addr
+ )
+ args["entry"]["tunnel"]["dst"] = (
+ str(dst_addr + i * addr_incr)
+ if tunnel_src and tunnel_dst
+ else dst_addr
+ )
history = bool(not 1 < i < n_entries - 2)
papi_exec.add(cmd, history=history, **args)
papi_exec.get_replies(err_msg)
@staticmethod
def vpp_ipsec_set_ip_route(
- node, n_tunnels, tunnel_src, traffic_addr, tunnel_dst, interface,
- raddr_range):
+ node: dict,
+ n_tunnels: int,
+ tunnel_src: str,
+ traffic_addr: str,
+ tunnel_dst: str,
+ interface: str,
+ raddr_range: int,
+ dst_mac: Optional[str] = None,
+ ) -> None:
"""Set IP address and route on interface.
:param node: VPP node to add config on.
:param raddr_range: Mask specifying range of Policy selector Remote IP
addresses. Valid values are from 1 to 32 in case of IPv4 and to 128
in case of IPv6.
+ :param dst_mac: The MAC address of destination tunnels.
:type node: dict
:type n_tunnels: int
:type tunnel_src: str
:type tunnel_dst: str
:type interface: str
:type raddr_range: int
+ :type dst_mac: Optional[str]
"""
- laddr = ip_address(tunnel_src)
- raddr = ip_address(tunnel_dst)
- taddr = ip_address(traffic_addr)
- addr_incr = 1 << (128 - raddr_range) if laddr.version == 6 \
+ tunnel_src = ip_address(tunnel_src)
+ tunnel_dst = ip_address(tunnel_dst)
+ traffic_addr = ip_address(traffic_addr)
+ tunnel_dst_prefix = 128 if tunnel_dst.version == 6 else 32
+ addr_incr = (
+ 1 << (128 - raddr_range)
+ if tunnel_src.version == 6
else 1 << (32 - raddr_range)
+ )
- if int(n_tunnels) > 10:
- tmp_filename = u"/tmp/ipsec_set_ip.script"
-
- with open(tmp_filename, 'w') as tmp_file:
- if_name = Topology.get_interface_name(node, interface)
- for i in range(n_tunnels):
- conf = f"exec set interface ip address {if_name} " \
- f"{laddr + i * addr_incr}/{raddr_range}\n" \
- f"exec ip route add {taddr + i}/" \
- f"{128 if taddr.version == 6 else 32} " \
- f"via {raddr + i * addr_incr} {if_name}\n"
- tmp_file.write(conf)
- vat = VatExecutor()
- vat.execute_script(
- tmp_filename, node, timeout=300, json_out=False,
- copy_on_execute=True
- )
- os.remove(tmp_filename)
- return
-
- cmd1 = u"sw_interface_add_del_address"
+ cmd1 = "sw_interface_add_del_address"
args1 = dict(
sw_if_index=InterfaceUtil.get_interface_index(node, interface),
is_add=True,
del_all=False,
- prefix=None
+ prefix=None,
)
- cmd2 = u"ip_route_add_del"
- args2 = dict(
- is_add=1,
- is_multipath=0,
- route=None
+ cmd2 = "ip_route_add_del"
+ args2 = dict(is_add=1, is_multipath=0, route=None)
+ cmd3 = "ip_neighbor_add_del"
+ args3 = dict(
+ is_add=True,
+ neighbor=dict(
+ sw_if_index=Topology.get_interface_sw_index(node, interface),
+ flags=0,
+ mac_address=str(dst_mac),
+ ip_address=None,
+ ),
+ )
+ err_msg = (
+ "Failed to configure IP addresses, IP routes and"
+ f" IP neighbor on interface {interface} on host {node['host']}"
+ if dst_mac
+ else "Failed to configure IP addresses and IP routes"
+ f" on interface {interface} on host {node['host']}"
)
- err_msg = f"Failed to configure IP addresses and IP routes " \
- f"on interface {interface} on host {node[u'host']}"
- with PapiSocketExecutor(node) as papi_exec:
+ with PapiSocketExecutor(node, is_async=True) as papi_exec:
for i in range(n_tunnels):
- args1[u"prefix"] = IPUtil.create_prefix_object(
- laddr + i * addr_incr, raddr_range
+ tunnel_dst_addr = tunnel_dst + i * addr_incr
+ args1["prefix"] = IPUtil.create_prefix_object(
+ tunnel_src + i * addr_incr, raddr_range
)
- args2[u"route"] = IPUtil.compose_vpp_route_structure(
- node, taddr + i,
- prefix_len=128 if taddr.version == 6 else 32,
- interface=interface, gateway=raddr + i * addr_incr
+ args2["route"] = IPUtil.compose_vpp_route_structure(
+ node,
+ traffic_addr + i,
+ prefix_len=tunnel_dst_prefix,
+ interface=interface,
+ gateway=tunnel_dst_addr,
)
history = bool(not 1 < i < n_tunnels - 2)
- papi_exec.add(cmd1, history=history, **args1).\
- add(cmd2, history=history, **args2)
+ papi_exec.add(cmd1, history=history, **args1)
+ papi_exec.add(cmd2, history=history, **args2)
+
+ args2["route"] = IPUtil.compose_vpp_route_structure(
+ node,
+ tunnel_dst_addr,
+ prefix_len=tunnel_dst_prefix,
+ interface=interface,
+ gateway=tunnel_dst_addr,
+ )
+ papi_exec.add(cmd2, history=history, **args2)
+
+ if dst_mac:
+ args3["neighbor"]["ip_address"] = ip_address(
+ tunnel_dst_addr
+ )
+ papi_exec.add(cmd3, history=history, **args3)
papi_exec.get_replies(err_msg)
@staticmethod
- def vpp_ipsec_add_spd(node, spd_id):
+ def vpp_ipsec_add_spd(node: dict, spd_id: int) -> None:
"""Create Security Policy Database on the VPP node.
:param node: VPP node to add SPD on.
:type node: dict
:type spd_id: int
"""
- cmd = u"ipsec_spd_add_del"
- err_msg = f"Failed to add Security Policy Database " \
- f"on host {node[u'host']}"
- args = dict(
- is_add=True,
- spd_id=int(spd_id)
+ cmd = "ipsec_spd_add_del"
+ err_msg = (
+ f"Failed to add Security Policy Database on host {node['host']}"
)
+ args = dict(is_add=True, spd_id=int(spd_id))
with PapiSocketExecutor(node) as papi_exec:
papi_exec.add(cmd, **args).get_reply(err_msg)
@staticmethod
- def vpp_ipsec_spd_add_if(node, spd_id, interface):
+ def vpp_ipsec_spd_add_if(
+ node: dict, spd_id: int, interface: Union[str, int]
+ ) -> None:
"""Add interface to the Security Policy Database.
:param node: VPP node.
:type spd_id: int
:type interface: str or int
"""
- cmd = u"ipsec_interface_add_del_spd"
- err_msg = f"Failed to add interface {interface} to Security Policy " \
- f"Database {spd_id} on host {node[u'host']}"
+ cmd = "ipsec_interface_add_del_spd"
+ err_msg = (
+ f"Failed to add interface {interface} to Security Policy"
+ f" Database {spd_id} on host {node['host']}"
+ )
args = dict(
is_add=True,
sw_if_index=InterfaceUtil.get_interface_index(node, interface),
- spd_id=int(spd_id)
+ spd_id=int(spd_id),
)
with PapiSocketExecutor(node) as papi_exec:
papi_exec.add(cmd, **args).get_reply(err_msg)
@staticmethod
- def vpp_ipsec_policy_add(
- node, spd_id, priority, action, inbound=True, sa_id=None,
- laddr_range=None, raddr_range=None, proto=None, lport_range=None,
- rport_range=None, is_ipv6=False):
- """Create Security Policy Database entry on the VPP node.
+ def vpp_ipsec_create_spds_match_nth_entry(
+ node: dict,
+ dir1_interface: Union[str, int],
+ dir2_interface: Union[str, int],
+ entry_amount: int,
+ local_addr_range: Union[str, IPv4Address, IPv6Address],
+ remote_addr_range: Union[str, IPv4Address, IPv6Address],
+ action: IpsecSpdAction.InputType = IpsecSpdAction.BYPASS,
+ inbound: bool = False,
+ bidirectional: bool = True,
+ ) -> None:
+ """Create one matching SPD entry for inbound or outbound traffic on
+ a DUT for each traffic direction and also create entry_amount - 1
+ non-matching SPD entries. Create a Security Policy Database on each
+ outbound interface where these entries will be configured.
+ The matching SPD entry will have the lowest priority, input action and
+ will be configured to match the IP flow. The non-matching entries will
+ be the same, except with higher priority and non-matching IP flows.
+
+ Action Protect is currently not supported.
+
+ :param node: VPP node to configured the SPDs and their entries.
+ :param dir1_interface: The interface in direction 1 where the entries
+ will be checked.
+ :param dir2_interface: The interface in direction 2 where the entries
+ will be checked.
+ :param entry_amount: The number of SPD entries to configure. If
+ entry_amount == 1, no non-matching entries will be configured.
+ :param local_addr_range: Matching local address range in direction 1
+ in format IP/prefix or IP/mask. If no mask is provided, it's
+ considered to be /32.
+ :param remote_addr_range: Matching remote address range in
+ direction 1 in format IP/prefix or IP/mask. If no mask is
+ provided, it's considered to be /32.
+ :param action: IPsec SPD action.
+ :param inbound: If True policy is for inbound traffic, otherwise
+ outbound.
+ :param bidirectional: When True, will create SPDs in both directions
+ of traffic. When False, only in one direction.
+ :type node: dict
+ :type dir1_interface: Union[str, int]
+ :type dir2_interface: Union[str, int]
+ :type entry_amount: int
+ :type local_addr_range:
+ Union[str, IPv4Address, IPv6Address]
+ :type remote_addr_range:
+ Union[str, IPv4Address, IPv6Address]
+ :type action: IpsecSpdAction.InputType
+ :type inbound: bool
+ :type bidirectional: bool
+ :raises NotImplementedError: When the action is IpsecSpdAction.PROTECT.
+ """
+ action = get_enum_instance(IpsecSpdAction, action)
+ if action == IpsecSpdAction.PROTECT:
+ raise NotImplementedError(
+ "IPsec SPD action PROTECT is not supported."
+ )
- :param node: VPP node to add SPD entry on.
+ spd_id_dir1 = 1
+ spd_id_dir2 = 2
+ matching_priority = 1
+
+ IPsecUtil.vpp_ipsec_add_spd(node, spd_id_dir1)
+ IPsecUtil.vpp_ipsec_spd_add_if(node, spd_id_dir1, dir1_interface)
+ # matching entry direction 1
+ IPsecUtil.vpp_ipsec_add_spd_entry(
+ node,
+ spd_id_dir1,
+ matching_priority,
+ action,
+ inbound=inbound,
+ laddr_range=local_addr_range,
+ raddr_range=remote_addr_range,
+ )
+
+ if bidirectional:
+ IPsecUtil.vpp_ipsec_add_spd(node, spd_id_dir2)
+ IPsecUtil.vpp_ipsec_spd_add_if(node, spd_id_dir2, dir2_interface)
+
+ # matching entry direction 2, the address ranges are switched
+ IPsecUtil.vpp_ipsec_add_spd_entry(
+ node,
+ spd_id_dir2,
+ matching_priority,
+ action,
+ inbound=inbound,
+ laddr_range=remote_addr_range,
+ raddr_range=local_addr_range,
+ )
+
+ # non-matching entries
+ no_match_entry_amount = entry_amount - 1
+ if no_match_entry_amount > 0:
+ # create a NetworkIncrement representation of the network,
+ # then skip the matching network
+ no_match_local_addr_range = NetworkIncrement(
+ ip_network(local_addr_range)
+ )
+ next(no_match_local_addr_range)
+
+ no_match_remote_addr_range = NetworkIncrement(
+ ip_network(remote_addr_range)
+ )
+ next(no_match_remote_addr_range)
+
+ # non-matching entries direction 1
+ IPsecUtil.vpp_ipsec_add_spd_entries(
+ node,
+ no_match_entry_amount,
+ spd_id_dir1,
+ ObjIncrement(matching_priority + 1, 1),
+ action,
+ inbound=inbound,
+ laddr_range=no_match_local_addr_range,
+ raddr_range=no_match_remote_addr_range,
+ )
+
+ if bidirectional:
+ # reset the networks so that we're using a unified config
+ # the address ranges are switched
+ no_match_remote_addr_range = NetworkIncrement(
+ ip_network(local_addr_range)
+ )
+ next(no_match_remote_addr_range)
+
+ no_match_local_addr_range = NetworkIncrement(
+ ip_network(remote_addr_range)
+ )
+ next(no_match_local_addr_range)
+ # non-matching entries direction 2
+ IPsecUtil.vpp_ipsec_add_spd_entries(
+ node,
+ no_match_entry_amount,
+ spd_id_dir2,
+ ObjIncrement(matching_priority + 1, 1),
+ action,
+ inbound=inbound,
+ laddr_range=no_match_local_addr_range,
+ raddr_range=no_match_remote_addr_range,
+ )
+
+ IPsecUtil.vpp_ipsec_show_all(node)
+
+ @staticmethod
+ def _vpp_ipsec_add_spd_entry_internal(
+ executor: PapiSocketExecutor,
+ spd_id: int,
+ priority: int,
+ action: IpsecSpdAction.InputType,
+ inbound: bool = True,
+ sa_id: Optional[int] = None,
+ proto: IPsecProto.InputType = None,
+ laddr_range: Optional[str] = None,
+ raddr_range: Optional[str] = None,
+ lport_range: Optional[str] = None,
+ rport_range: Optional[str] = None,
+ is_ipv6: bool = False,
+ ) -> None:
+ """Prepare to create Security Policy Database entry on the VPP node.
+
+ This just adds one more command to the executor.
+ The call site shall get replies once all entries are added,
+ to get speed benefit from async PAPI.
+
+ :param executor: Open PAPI executor (async handling) to add commands to.
:param spd_id: SPD ID to add entry on.
:param priority: SPD entry priority, higher number = higher priority.
- :param action: Policy action.
+ :param action: IPsec SPD action.
:param inbound: If True policy is for inbound traffic, otherwise
outbound.
- :param sa_id: SAD entry ID for protect action.
- :param laddr_range: Policy selector local IPv4 or IPv6 address range in
- format IP/prefix or IP/mask. If no mask is provided,
+ :param sa_id: SAD entry ID for action IpsecSpdAction.PROTECT.
+ :param proto: Policy selector next layer protocol number.
+ :param laddr_range: Policy selector local IPv4 or IPv6 address range
+ in format IP/prefix or IP/mask. If no mask is provided,
it's considered to be /32.
- :param raddr_range: Policy selector remote IPv4 or IPv6 address range in
- format IP/prefix or IP/mask. If no mask is provided,
+ :param raddr_range: Policy selector remote IPv4 or IPv6 address range
+ in format IP/prefix or IP/mask. If no mask is provided,
it's considered to be /32.
- :param proto: Policy selector next layer protocol number.
:param lport_range: Policy selector local TCP/UDP port range in format
<port_start>-<port_end>.
:param rport_range: Policy selector remote TCP/UDP port range in format
<port_start>-<port_end>.
:param is_ipv6: True in case of IPv6 policy when IPv6 address range is
not defined so it will default to address ::/0, otherwise False.
- :type node: dict
+ :type executor: PapiSocketExecutor
:type spd_id: int
:type priority: int
- :type action: PolicyAction
+ :type action: IpsecSpdAction.InputType
:type inbound: bool
- :type sa_id: int
- :type laddr_range: string
- :type raddr_range: string
- :type proto: int
- :type lport_range: string
- :type rport_range: string
+ :type sa_id: Optional[int]
+ :type proto: IPsecProto.InputType
+ :type laddr_range: Optional[str]
+ :type raddr_range: Optional[str]
+ :type lport_range: Optional[str]
+ :type rport_range: Optional[str]
:type is_ipv6: bool
"""
+ action = get_enum_instance(IpsecSpdAction, action)
+ proto = get_enum_instance(IPsecProto, proto)
if laddr_range is None:
- laddr_range = u"::/0" if is_ipv6 else u"0.0.0.0/0"
+ laddr_range = "::/0" if is_ipv6 else "0.0.0.0/0"
if raddr_range is None:
- raddr_range = u"::/0" if is_ipv6 else u"0.0.0.0/0"
+ raddr_range = "::/0" if is_ipv6 else "0.0.0.0/0"
- cmd = u"ipsec_spd_entry_add_del"
- err_msg = f"Failed to add entry to Security Policy Database {spd_id} " \
- f"on host {node[u'host']}"
+ local_net = ip_network(laddr_range, strict=False)
+ remote_net = ip_network(raddr_range, strict=False)
+
+ cmd = "ipsec_spd_entry_add_del_v2"
spd_entry = dict(
spd_id=int(spd_id),
priority=int(priority),
is_outbound=not inbound,
sa_id=int(sa_id) if sa_id else 0,
- policy=action.policy_int_repr,
- protocol=int(proto) if proto else 0,
+ policy=int(action),
+ protocol=proto,
remote_address_start=IPAddress.create_ip_address_object(
- ip_network(raddr_range, strict=False).network_address
+ remote_net.network_address
),
remote_address_stop=IPAddress.create_ip_address_object(
- ip_network(raddr_range, strict=False).broadcast_address
+ remote_net.broadcast_address
),
local_address_start=IPAddress.create_ip_address_object(
- ip_network(laddr_range, strict=False).network_address
+ local_net.network_address
),
local_address_stop=IPAddress.create_ip_address_object(
- ip_network(laddr_range, strict=False).broadcast_address
+ local_net.broadcast_address
+ ),
+ remote_port_start=(
+ int(rport_range.split("-")[0]) if rport_range else 0
+ ),
+ remote_port_stop=(
+ int(rport_range.split("-")[1]) if rport_range else 65535
+ ),
+ local_port_start=(
+ int(lport_range.split("-")[0]) if lport_range else 0
+ ),
+ local_port_stop=(
+ int(lport_range.split("-")[1]) if rport_range else 65535
),
- remote_port_start=int(rport_range.split(u"-")[0]) if rport_range
- else 0,
- remote_port_stop=int(rport_range.split(u"-")[1]) if rport_range
- else 65535,
- local_port_start=int(lport_range.split(u"-")[0]) if lport_range
- else 0,
- local_port_stop=int(lport_range.split(u"-")[1]) if rport_range
- else 65535
)
- args = dict(
- is_add=True,
- entry=spd_entry
+ args = dict(is_add=True, entry=spd_entry)
+ executor.add(cmd, **args)
+
+ @staticmethod
+ def vpp_ipsec_add_spd_entry(
+ node: dict,
+ spd_id: int,
+ priority: int,
+ action: IpsecSpdAction.InputType,
+ inbound: bool = True,
+ sa_id: Optional[int] = None,
+ proto: IPsecProto.InputType = None,
+ laddr_range: Optional[str] = None,
+ raddr_range: Optional[str] = None,
+ lport_range: Optional[str] = None,
+ rport_range: Optional[str] = None,
+ is_ipv6: bool = False,
+ ) -> None:
+ """Create Security Policy Database entry on the VPP node.
+
+ :param node: VPP node to add SPD entry on.
+ :param spd_id: SPD ID to add entry on.
+ :param priority: SPD entry priority, higher number = higher priority.
+ :param action: IPsec SPD action.
+ :param inbound: If True policy is for inbound traffic, otherwise
+ outbound.
+ :param sa_id: SAD entry ID for action IpsecSpdAction.PROTECT.
+ :param proto: Policy selector next layer protocol number.
+ :param laddr_range: Policy selector local IPv4 or IPv6 address range
+ in format IP/prefix or IP/mask. If no mask is provided,
+ it's considered to be /32.
+ :param raddr_range: Policy selector remote IPv4 or IPv6 address range
+ in format IP/prefix or IP/mask. If no mask is provided,
+ it's considered to be /32.
+ :param lport_range: Policy selector local TCP/UDP port range in format
+ <port_start>-<port_end>.
+ :param rport_range: Policy selector remote TCP/UDP port range in format
+ <port_start>-<port_end>.
+ :param is_ipv6: True in case of IPv6 policy when IPv6 address range is
+ not defined so it will default to address ::/0, otherwise False.
+ :type node: dict
+ :type spd_id: int
+ :type priority: int
+ :type action: IpsecSpdAction.InputType
+ :type inbound: bool
+ :type sa_id: Optional[int]
+ :type proto: IPsecProto.InputType
+ :type laddr_range: Optional[str]
+ :type raddr_range: Optional[str]
+ :type lport_range: Optional[str]
+ :type rport_range: Optional[str]
+ :type is_ipv6: bool
+ """
+ action = get_enum_instance(IpsecSpdAction, action)
+ proto = get_enum_instance(IPsecProto, proto)
+ err_msg = (
+ "Failed to add entry to Security Policy Database"
+ f" {spd_id} on host {node['host']}"
)
- with PapiSocketExecutor(node) as papi_exec:
- papi_exec.add(cmd, **args).get_reply(err_msg)
+ with PapiSocketExecutor(node, is_async=True) as papi_exec:
+ IPsecUtil._vpp_ipsec_add_spd_entry_internal(
+ papi_exec,
+ spd_id,
+ priority,
+ action,
+ inbound,
+ sa_id,
+ proto,
+ laddr_range,
+ raddr_range,
+ lport_range,
+ rport_range,
+ is_ipv6,
+ )
+ papi_exec.get_replies(err_msg)
@staticmethod
- def vpp_ipsec_spd_add_entries(
- node, n_entries, spd_id, priority, inbound, sa_id, raddr_ip,
- raddr_range=0):
+ def vpp_ipsec_add_spd_entries(
+ node: dict,
+ n_entries: int,
+ spd_id: int,
+ priority: Optional[ObjIncrement],
+ action: IpsecSpdAction.InputType,
+ inbound: bool,
+ sa_id: Optional[ObjIncrement] = None,
+ proto: IPsecProto.InputType = None,
+ laddr_range: Optional[NetworkIncrement] = None,
+ raddr_range: Optional[NetworkIncrement] = None,
+ lport_range: Optional[str] = None,
+ rport_range: Optional[str] = None,
+ is_ipv6: bool = False,
+ ) -> None:
"""Create multiple Security Policy Database entries on the VPP node.
:param node: VPP node to add SPD entries on.
:param n_entries: Number of SPD entries to be added.
:param spd_id: SPD ID to add entries on.
:param priority: SPD entries priority, higher number = higher priority.
+ :param action: IPsec SPD action.
:param inbound: If True policy is for inbound traffic, otherwise
outbound.
- :param sa_id: SAD entry ID for first entry. Each subsequent entry will
- SAD entry ID incremented by 1.
- :param raddr_ip: Policy selector remote IPv4 start address for the first
- entry. Remote IPv4 end address will be calculated depending on
- raddr_range parameter. Each subsequent entry will have start address
- next after IPv4 end address of previous entry.
- :param raddr_range: Required IP addres range.
+ :param sa_id: SAD entry ID for action IpsecSpdAction.PROTECT.
+ :param proto: Policy selector next layer protocol number.
+ :param laddr_range: Policy selector local IPv4 or IPv6 address range
+ in format IP/prefix or IP/mask. If no mask is provided,
+ it's considered to be /32.
+ :param raddr_range: Policy selector remote IPv4 or IPv6 address range
+ in format IP/prefix or IP/mask. If no mask is provided,
+ it's considered to be /32.
+ :param lport_range: Policy selector local TCP/UDP port range in format
+ <port_start>-<port_end>.
+ :param rport_range: Policy selector remote TCP/UDP port range in format
+ <port_start>-<port_end>.
+ :param is_ipv6: True in case of IPv6 policy when IPv6 address range is
+ not defined so it will default to address ::/0, otherwise False.
:type node: dict
:type n_entries: int
:type spd_id: int
- :type priority: int
+ :type priority: Optional[ObjIncrement]
+ :type action: IpsecSpdAction.InputType
:type inbound: bool
- :type sa_id: int
- :type raddr_ip: str
- :type raddr_range: int
+ :type sa_id: Optional[ObjIncrement]
+ :type proto: IPsecProto.InputType
+ :type laddr_range: Optional[NetworkIncrement]
+ :type raddr_range: Optional[NetworkIncrement]
+ :type lport_range: Optional[str]
+ :type rport_range: Optional[str]
+ :type is_ipv6: bool
"""
- raddr_ip = ip_address(raddr_ip)
- if int(n_entries) > 10:
- tmp_filename = f"/tmp/ipsec_spd_{sa_id}_add_del_entry.script"
-
- with open(tmp_filename, 'w') as tmp_file:
- for i in range(n_entries):
- direction = u'inbound' if inbound else u'outbound'
- tunnel = f"exec ipsec policy add spd {spd_id} " \
- f"priority {priority} {direction} " \
- f"action protect sa {sa_id+i} " \
- f"remote-ip-range {raddr_ip + i * (raddr_range + 1)} " \
- f"- {raddr_ip + (i + 1) * raddr_range + i} " \
- f"local-ip-range 0.0.0.0 - 255.255.255.255\n"
- tmp_file.write(tunnel)
- VatExecutor().execute_script(
- tmp_filename, node, timeout=300, json_out=False,
- copy_on_execute=True
- )
- os.remove(tmp_filename)
- return
-
- laddr_range = u"::/0" if raddr_ip.version == 6 else u"0.0.0.0/0"
+ action = get_enum_instance(IpsecSpdAction, action)
+ proto = get_enum_instance(IPsecProto, proto)
+ if laddr_range is None:
+ laddr_range = "::/0" if is_ipv6 else "0.0.0.0/0"
+ laddr_range = NetworkIncrement(ip_network(laddr_range), 0)
- cmd = u"ipsec_spd_entry_add_del"
- err_msg = f"ailed to add entry to Security Policy Database '{spd_id} " \
- f"on host {node[u'host']}"
+ if raddr_range is None:
+ raddr_range = "::/0" if is_ipv6 else "0.0.0.0/0"
+ raddr_range = NetworkIncrement(ip_network(raddr_range), 0)
- spd_entry = dict(
- spd_id=int(spd_id),
- priority=int(priority),
- is_outbound=not inbound,
- sa_id=int(sa_id) if sa_id else 0,
- policy=IPsecUtil.policy_action_protect().policy_int_repr,
- protocol=0,
- remote_address_start=IPAddress.create_ip_address_object(raddr_ip),
- remote_address_stop=IPAddress.create_ip_address_object(raddr_ip),
- local_address_start=IPAddress.create_ip_address_object(
- ip_network(laddr_range, strict=False).network_address
- ),
- local_address_stop=IPAddress.create_ip_address_object(
- ip_network(laddr_range, strict=False).broadcast_address
- ),
- remote_port_start=0,
- remote_port_stop=65535,
- local_port_start=0,
- local_port_stop=65535
- )
- args = dict(
- is_add=True,
- entry=spd_entry
+ err_msg = (
+ "Failed to add entry to Security Policy Database"
+ f" {spd_id} on host {node['host']}"
)
-
- with PapiSocketExecutor(node) as papi_exec:
- for i in range(n_entries):
- args[u"entry"][u"remote_address_start"][u"un"] = \
- IPAddress.union_addr(raddr_ip + i)
- args[u"entry"][u"remote_address_stop"][u"un"] = \
- IPAddress.union_addr(raddr_ip + i)
- history = bool(not 1 < i < n_entries - 2)
- papi_exec.add(cmd, history=history, **args)
+ with PapiSocketExecutor(node, is_async=True) as papi_exec:
+ for _ in range(n_entries):
+ IPsecUtil._vpp_ipsec_add_spd_entry_internal(
+ papi_exec,
+ spd_id,
+ next(priority),
+ action,
+ inbound,
+ next(sa_id) if sa_id is not None else sa_id,
+ proto,
+ next(laddr_range),
+ next(raddr_range),
+ lport_range,
+ rport_range,
+ is_ipv6,
+ )
papi_exec.get_replies(err_msg)
@staticmethod
- def vpp_ipsec_create_tunnel_interfaces(
- nodes, if1_ip_addr, if2_ip_addr, if1_key, if2_key, n_tunnels,
- crypto_alg, integ_alg, raddr_ip1, raddr_ip2, raddr_range,
- existing_tunnels=0):
- """Create multiple IPsec tunnel interfaces between two VPP nodes.
+ def _ipsec_create_loopback_dut1_papi(
+ nodes: dict, tun_ips: dict, if1_key: str, if2_key: str
+ ) -> int:
+ """Create loopback interface and set IP address on VPP node 1 interface
+ using PAPI.
:param nodes: VPP nodes to create tunnel interfaces.
- :param if1_ip_addr: VPP node 1 interface IPv4/IPv6 address.
- :param if2_ip_addr: VPP node 2 interface IPv4/IPv6 address.
+ :param tun_ips: Dictionary with VPP node 1 ipsec tunnel interface
+ IPv4/IPv6 address (ip1) and VPP node 2 ipsec tunnel interface
+ IPv4/IPv6 address (ip2).
:param if1_key: VPP node 1 interface key from topology file.
- :param if2_key: VPP node 2 interface key from topology file.
+ :param if2_key: VPP node 2 / TG node (in case of 2-node topology)
+ interface key from topology file.
+ :type nodes: dict
+ :type tun_ips: dict
+ :type if1_key: str
+ :type if2_key: str
+ :returns: sw_if_idx Of the created loopback interface.
+ :rtype: int
+ """
+ with PapiSocketExecutor(nodes["DUT1"]) as papi_exec:
+ # Create loopback interface on DUT1, set it to up state
+ cmd = "create_loopback_instance"
+ args = dict(
+ mac_address=0,
+ is_specified=False,
+ user_instance=0,
+ )
+ err_msg = (
+ "Failed to create loopback interface"
+ f" on host {nodes['DUT1']['host']}"
+ )
+ papi_exec.add(cmd, **args)
+ loop_sw_if_idx = papi_exec.get_sw_if_index(err_msg)
+ cmd = "sw_interface_set_flags"
+ args = dict(
+ sw_if_index=loop_sw_if_idx,
+ flags=InterfaceStatusFlags.IF_STATUS_API_FLAG_ADMIN_UP.value,
+ )
+ err_msg = (
+ "Failed to set loopback interface state up"
+ f" on host {nodes['DUT1']['host']}"
+ )
+ papi_exec.add(cmd, **args).get_reply(err_msg)
+ # Set IP address on VPP node 1 interface
+ cmd = "sw_interface_add_del_address"
+ args = dict(
+ sw_if_index=InterfaceUtil.get_interface_index(
+ nodes["DUT1"], if1_key
+ ),
+ is_add=True,
+ del_all=False,
+ prefix=IPUtil.create_prefix_object(
+ tun_ips["ip2"] - 1,
+ 96 if tun_ips["ip2"].version == 6 else 24,
+ ),
+ )
+ err_msg = (
+ f"Failed to set IP address on interface {if1_key}"
+ f" on host {nodes['DUT1']['host']}"
+ )
+ papi_exec.add(cmd, **args).get_reply(err_msg)
+ cmd2 = "ip_neighbor_add_del"
+ args2 = dict(
+ is_add=1,
+ neighbor=dict(
+ sw_if_index=Topology.get_interface_sw_index(
+ nodes["DUT1"], if1_key
+ ),
+ flags=1,
+ mac_address=str(
+ Topology.get_interface_mac(nodes["DUT2"], if2_key)
+ if "DUT2" in nodes.keys()
+ else Topology.get_interface_mac(nodes["TG"], if2_key)
+ ),
+ ip_address=tun_ips["ip2"].compressed,
+ ),
+ )
+ err_msg = f"Failed to add IP neighbor on interface {if1_key}"
+ papi_exec.add(cmd2, **args2).get_reply(err_msg)
+
+ return loop_sw_if_idx
+
+ @staticmethod
+ def _ipsec_create_tunnel_interfaces_dut1_papi(
+ nodes: dict,
+ tun_ips: dict,
+ if1_key: str,
+ if2_key: str,
+ n_tunnels: int,
+ crypto_alg: CryptoAlg.InputType,
+ integ_alg: IntegAlg.InputType,
+ raddr_ip2: Union[IPv4Address, IPv6Address],
+ addr_incr: int,
+ spi_d: dict,
+ existing_tunnels: int = 0,
+ ) -> Tuple[List[bytes], List[bytes]]:
+ """Create multiple IPsec tunnel interfaces on DUT1 node using PAPI.
+
+ Generate random keys and return them (so DUT2 or TG can decrypt).
+
+ :param nodes: VPP nodes to create tunnel interfaces.
+ :param tun_ips: Dictionary with VPP node 1 ipsec tunnel interface
+ IPv4/IPv6 address (ip1) and VPP node 2 ipsec tunnel interface
+ IPv4/IPv6 address (ip2).
+ :param if1_key: VPP node 1 interface key from topology file.
+ :param if2_key: VPP node 2 / TG node (in case of 2-node topology)
+ interface key from topology file.
:param n_tunnels: Number of tunnel interfaces to be there at the end.
:param crypto_alg: The encryption algorithm name.
:param integ_alg: The integrity algorithm name.
- :param raddr_ip1: Policy selector remote IPv4/IPv6 start address for the
- first tunnel in direction node1->node2.
:param raddr_ip2: Policy selector remote IPv4/IPv6 start address for the
first tunnel in direction node2->node1.
- :param raddr_range: Mask specifying range of Policy selector Remote
- IPv4/IPv6 addresses. Valid values are from 1 to 32 in case of IPv4
- and to 128 in case of IPv6.
+ :param spi_d: Dictionary with SPIs for VPP node 1 and VPP node 2.
+ :param addr_incr: IP / IPv6 address incremental step.
:param existing_tunnels: Number of tunnel interfaces before creation.
Useful mainly for reconf tests. Default 0.
:type nodes: dict
- :type if1_ip_addr: str
- :type if2_ip_addr: str
+ :type tun_ips: dict
:type if1_key: str
:type if2_key: str
:type n_tunnels: int
- :type crypto_alg: CryptoAlg
- :type integ_alg: IntegAlg
- :type raddr_ip1: string
- :type raddr_ip2: string
- :type raddr_range: int
+ :type crypto_alg: CryptoAlg.InputType
+ :type integ_alg: IntegAlg.InputType
+ :type raddr_ip2: Union[IPv4Address, IPv6Address]
+ :type addr_incr: int
+ :type spi_d: dict
:type existing_tunnels: int
+ :returns: Generated ckeys and ikeys.
+ :rtype: List[bytes], List[bytes]
"""
- n_tunnels = int(n_tunnels)
- existing_tunnels = int(existing_tunnels)
- spi_1 = 100000
- spi_2 = 200000
- if1_ip = ip_address(if1_ip_addr)
- if2_ip = ip_address(if2_ip_addr)
- raddr_ip1 = ip_address(raddr_ip1)
- raddr_ip2 = ip_address(raddr_ip2)
- addr_incr = 1 << (128 - raddr_range) if if1_ip.version == 6 \
- else 1 << (32 - raddr_range)
-
- if n_tunnels - existing_tunnels > 10:
- tmp_fn1 = u"/tmp/ipsec_create_tunnel_dut1.config"
- tmp_fn2 = u"/tmp/ipsec_create_tunnel_dut2.config"
- if1_n = Topology.get_interface_name(nodes[u"DUT1"], if1_key)
- if2_n = Topology.get_interface_name(nodes[u"DUT2"], if2_key)
- mask = 96 if if2_ip.version == 6 else 24
- mask2 = 128 if if2_ip.version == 6 else 32
- vat = VatExecutor()
- with open(tmp_fn1, 'w') as tmp_f1, open(tmp_fn2, 'w') as tmp_f2:
- rmac = Topology.get_interface_mac(nodes[u"DUT2"], if2_key)
- if not existing_tunnels:
- tmp_f1.write(
- f"exec create loopback interface\n"
- f"exec set interface state loop0 up\n"
- f"exec set interface ip address "
- f"{if1_n} {if2_ip - 1}/{mask}\n"
- f"exec set ip neighbor {if1_n} {if2_ip}/{mask2} {rmac}"
- f" static\n"
- )
- tmp_f2.write(
- f"exec set interface ip address {if2_n}"
- f" {if2_ip}/{mask}\n"
- )
- for i in range(existing_tunnels, n_tunnels):
- ckey = gen_key(
- IPsecUtil.get_crypto_alg_key_len(crypto_alg)
- ).hex()
- if integ_alg:
- ikey = gen_key(
- IPsecUtil.get_integ_alg_key_len(integ_alg)
- ).hex()
- integ = f"integ_alg {integ_alg.alg_name} " \
- f"local_integ_key {ikey} remote_integ_key {ikey} "
- else:
- integ = u""
- tmp_f1.write(
- f"exec set interface ip address loop0 "
- f"{if1_ip + i * addr_incr}/32\n"
- f"ipsec_tunnel_if_add_del "
- f"local_spi {spi_1 + i} remote_spi {spi_2 + i} "
- f"crypto_alg {crypto_alg.alg_name} "
- f"local_crypto_key {ckey} remote_crypto_key {ckey} "
- f"{integ} "
- f"local_ip {if1_ip + i * addr_incr} "
- f"remote_ip {if2_ip} "
- f"instance {i}\n"
- )
- tmp_f2.write(
- f"ipsec_tunnel_if_add_del "
- f"local_spi {spi_2 + i} remote_spi {spi_1 + i} "
- f"crypto_alg {crypto_alg.alg_name} "
- f"local_crypto_key {ckey} remote_crypto_key {ckey} "
- f"{integ} "
- f"local_ip {if2_ip} "
- f"remote_ip {if1_ip + i * addr_incr} "
- f"instance {i}\n"
- )
- vat.execute_script(
- tmp_fn1, nodes[u"DUT1"], timeout=1800, json_out=False,
- copy_on_execute=True,
- history=bool(n_tunnels < 100)
- )
- vat.execute_script(
- tmp_fn2, nodes[u"DUT2"], timeout=1800, json_out=False,
- copy_on_execute=True,
- history=bool(n_tunnels < 100)
+ crypto_alg = get_enum_instance(CryptoAlg, crypto_alg)
+ integ_alg = get_enum_instance(IntegAlg, integ_alg)
+ if not existing_tunnels:
+ loop_sw_if_idx = IPsecUtil._ipsec_create_loopback_dut1_papi(
+ nodes, tun_ips, if1_key, if2_key
)
- os.remove(tmp_fn1)
- os.remove(tmp_fn2)
-
- with open(tmp_fn1, 'w') as tmp_f1, open(tmp_fn2, 'w') as tmp_f2:
- if not existing_tunnels:
- tmp_f2.write(
- f"exec ip route add {if1_ip}/8 via {if2_ip - 1}"
- f" {if2_n}\n"
- )
- for i in range(existing_tunnels, n_tunnels):
- tmp_f1.write(
- f"exec set interface unnumbered ipip{i} use {if1_n}\n"
- f"exec set interface state ipip{i} up\n"
- f"exec ip route add {raddr_ip2 + i}/{mask2} "
- f"via ipip{i}\n"
- )
- tmp_f2.write(
- f"exec set interface unnumbered ipip{i} use {if2_n}\n"
- f"exec set interface state ipip{i} up\n"
- f"exec ip route add {raddr_ip1 + i}/{mask2} "
- f"via ipip{i}\n"
- )
- vat.execute_script(
- tmp_fn1, nodes[u"DUT1"], timeout=1800, json_out=False,
- copy_on_execute=True,
- history=bool(n_tunnels < 100)
+ else:
+ loop_sw_if_idx = InterfaceUtil.vpp_get_interface_sw_index(
+ nodes["DUT1"], "loop0"
)
- vat.execute_script(
- tmp_fn2, nodes[u"DUT2"], timeout=1800, json_out=False,
- copy_on_execute=True,
- history=bool(n_tunnels < 100)
+ with PapiSocketExecutor(nodes["DUT1"], is_async=True) as papi_exec:
+ # Configure IP addresses on loop0 interface
+ cmd = "sw_interface_add_del_address"
+ args = dict(
+ sw_if_index=loop_sw_if_idx,
+ is_add=True,
+ del_all=False,
+ prefix=None,
)
- os.remove(tmp_fn1)
- os.remove(tmp_fn2)
- return
-
- if not existing_tunnels:
- with PapiSocketExecutor(nodes[u"DUT1"]) as papi_exec:
- # Create loopback interface on DUT1, set it to up state
- cmd1 = u"create_loopback"
- args1 = dict(
- mac_address=0
+ for i in range(existing_tunnels, n_tunnels):
+ args["prefix"] = IPUtil.create_prefix_object(
+ tun_ips["ip1"] + i * addr_incr,
+ 128 if tun_ips["ip1"].version == 6 else 32,
)
- err_msg = f"Failed to create loopback interface " \
- f"on host {nodes[u'DUT1'][u'host']}"
- loop_sw_if_idx = papi_exec.add(cmd1, **args1).\
- get_sw_if_index(err_msg)
- cmd1 = u"sw_interface_set_flags"
- args1 = dict(
- sw_if_index=loop_sw_if_idx,
- flags=InterfaceStatusFlags.IF_STATUS_API_FLAG_ADMIN_UP.value
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
)
- err_msg = f"Failed to set loopback interface state up " \
- f"on host {nodes[u'DUT1'][u'host']}"
- papi_exec.add(cmd1, **args1).get_reply(err_msg)
- # Set IP address on VPP node 1 interface
- cmd1 = u"sw_interface_add_del_address"
- args1 = dict(
- sw_if_index=InterfaceUtil.get_interface_index(
- nodes[u"DUT1"], if1_key
- ),
- is_add=True,
- del_all=False,
- prefix=IPUtil.create_prefix_object(
- if2_ip - 1, 96 if if2_ip.version == 6 else 24
- )
+ # Configure IPIP tunnel interfaces
+ cmd = "ipip_add_tunnel"
+ ipip_tunnel = dict(
+ instance=Constants.BITWISE_NON_ZERO,
+ src=None,
+ dst=None,
+ table_id=0,
+ flags=int(
+ TunnelEncpaDecapFlags.TUNNEL_API_ENCAP_DECAP_FLAG_NONE
+ ),
+ mode=int(TunnelMode.TUNNEL_API_MODE_P2P),
+ dscp=int(IpDscp.IP_API_DSCP_CS0),
+ )
+ args = dict(tunnel=ipip_tunnel)
+ ipip_tunnels = [None] * existing_tunnels
+ for i in range(existing_tunnels, n_tunnels):
+ ipip_tunnel["src"] = IPAddress.create_ip_address_object(
+ tun_ips["ip1"] + i * addr_incr
)
- err_msg = f"Failed to set IP address on interface {if1_key} " \
- f"on host {nodes[u'DUT1'][u'host']}"
- papi_exec.add(cmd1, **args1).get_reply(err_msg)
- cmd4 = u"ip_neighbor_add_del"
- args4 = dict(
- is_add=1,
- neighbor=dict(
- sw_if_index=Topology.get_interface_sw_index(
- nodes[u"DUT1"], if1_key
- ),
- flags=1,
- mac_address=str(
- Topology.get_interface_mac(nodes[u"DUT2"], if2_key)
- ),
- ip_address=str(ip_address(if2_ip_addr))
- )
+ ipip_tunnel["dst"] = IPAddress.create_ip_address_object(
+ tun_ips["ip2"]
)
- err_msg = f"Failed to add IP neighbor on interface {if1_key}"
- papi_exec.add(cmd4, **args4).get_reply(err_msg)
- else:
- # Executor not open, as InterfaceUtil will open its own.
- loop_sw_if_idx = InterfaceUtil.vpp_get_interface_sw_index(
- nodes[u"DUT1"], u"loop0")
- cmd1 = u"sw_interface_add_del_address"
- with PapiSocketExecutor(nodes[u"DUT1"]) as papi_exec:
- # Configure IPsec tunnel interfaces
- args1 = dict(
- sw_if_index=loop_sw_if_idx,
- is_add=True,
- del_all=False,
- prefix=None
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
+ )
+ err_msg = (
+ "Failed to add IPIP tunnel interfaces on host"
+ f" {nodes['DUT1']['host']}"
)
- cmd2 = u"ipsec_tunnel_if_add_del"
- args2 = dict(
- is_add=True,
- local_ip=None,
- remote_ip=None,
- local_spi=0,
- remote_spi=0,
- crypto_alg=crypto_alg.alg_int_repr,
- local_crypto_key_len=0,
- local_crypto_key=None,
- remote_crypto_key_len=0,
- remote_crypto_key=None,
- integ_alg=integ_alg.alg_int_repr if integ_alg else 0,
- local_integ_key_len=0,
- local_integ_key=None,
- remote_integ_key_len=0,
- remote_integ_key=None,
- tx_table_id=0
+ ipip_tunnels.extend(
+ [
+ reply["sw_if_index"]
+ for reply in papi_exec.get_replies(err_msg)
+ if "sw_if_index" in reply
+ ]
+ )
+ # Configure IPSec SAD entries
+ ckeys = [bytes()] * existing_tunnels
+ ikeys = [bytes()] * existing_tunnels
+ cmd = "ipsec_sad_entry_add_v2"
+ c_key = dict(length=0, data=None)
+ i_key = dict(length=0, data=None)
+ common_flags = IPsecSadFlags.IPSEC_API_SAD_FLAG_NONE
+ sad_entry = dict(
+ sad_id=None,
+ spi=None,
+ protocol=IPsecProto.ESP,
+ crypto_algorithm=crypto_alg.alg_int_repr,
+ crypto_key=c_key,
+ integrity_algorithm=integ_alg.alg_int_repr,
+ integrity_key=i_key,
+ flags=common_flags,
+ tunnel=dict(
+ src=0,
+ dst=0,
+ table_id=0,
+ encap_decap_flags=int(
+ TunnelEncpaDecapFlags.TUNNEL_API_ENCAP_DECAP_FLAG_NONE
+ ),
+ dscp=int(IpDscp.IP_API_DSCP_CS0),
+ ),
+ salt=0,
+ udp_src_port=IPSEC_UDP_PORT_DEFAULT,
+ udp_dst_port=IPSEC_UDP_PORT_DEFAULT,
+ anti_replay_window_size=IPSEC_REPLAY_WINDOW_DEFAULT,
)
- err_msg = f"Failed to add IPsec tunnel interfaces " \
- f"on host {nodes[u'DUT1'][u'host']}"
- ipsec_tunnels = [None] * existing_tunnels
- ckeys = [None] * existing_tunnels
- ikeys = [None] * existing_tunnels
+ args = dict(entry=sad_entry)
for i in range(existing_tunnels, n_tunnels):
- ckeys.append(
- gen_key(IPsecUtil.get_crypto_alg_key_len(crypto_alg))
+ ckeys.append(gen_key(crypto_alg.key_len))
+ ikeys.append(gen_key(integ_alg.key_len))
+ # SAD entry for outband / tx path
+ sad_entry["sad_id"] = i
+ sad_entry["spi"] = spi_d["spi_1"] + i
+
+ sad_entry["crypto_key"]["length"] = len(ckeys[i])
+ sad_entry["crypto_key"]["data"] = ckeys[i]
+ if integ_alg:
+ sad_entry["integrity_key"]["length"] = len(ikeys[i])
+ sad_entry["integrity_key"]["data"] = ikeys[i]
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
)
+ sad_entry["flags"] |= IPsecSadFlags.IPSEC_API_SAD_FLAG_IS_INBOUND
+ for i in range(existing_tunnels, n_tunnels):
+ # SAD entry for inband / rx path
+ sad_entry["sad_id"] = 100000 + i
+ sad_entry["spi"] = spi_d["spi_2"] + i
+
+ sad_entry["crypto_key"]["length"] = len(ckeys[i])
+ sad_entry["crypto_key"]["data"] = ckeys[i]
if integ_alg:
- ikeys.append(
- gen_key(IPsecUtil.get_integ_alg_key_len(integ_alg))
- )
- args1[u"prefix"] = IPUtil.create_prefix_object(
- if1_ip + i * addr_incr, 128 if if1_ip.version == 6 else 32
+ sad_entry["integrity_key"]["length"] = len(ikeys[i])
+ sad_entry["integrity_key"]["data"] = ikeys[i]
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
)
- args2[u"local_spi"] = spi_1 + i
- args2[u"remote_spi"] = spi_2 + i
- args2[u"local_ip"] = IPAddress.create_ip_address_object(
- if1_ip + i * addr_incr
+ err_msg = (
+ "Failed to add IPsec SAD entries on host"
+ f" {nodes['DUT1']['host']}"
+ )
+ papi_exec.get_replies(err_msg)
+ # Add protection for tunnels with IPSEC
+ cmd = "ipsec_tunnel_protect_update"
+ n_hop = dict(
+ address=0,
+ via_label=MPLS_LABEL_INVALID,
+ obj_id=Constants.BITWISE_NON_ZERO,
+ )
+ ipsec_tunnel_protect = dict(
+ sw_if_index=None, nh=n_hop, sa_out=None, n_sa_in=1, sa_in=None
+ )
+ args = dict(tunnel=ipsec_tunnel_protect)
+ for i in range(existing_tunnels, n_tunnels):
+ args["tunnel"]["sw_if_index"] = ipip_tunnels[i]
+ args["tunnel"]["sa_out"] = i
+ args["tunnel"]["sa_in"] = [100000 + i]
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
)
- args2[u"remote_ip"] = IPAddress.create_ip_address_object(if2_ip)
- args2[u"local_crypto_key_len"] = len(ckeys[i])
- args2[u"local_crypto_key"] = ckeys[i]
- args2[u"remote_crypto_key_len"] = len(ckeys[i])
- args2[u"remote_crypto_key"] = ckeys[i]
- if integ_alg:
- args2[u"local_integ_key_len"] = len(ikeys[i])
- args2[u"local_integ_key"] = ikeys[i]
- args2[u"remote_integ_key_len"] = len(ikeys[i])
- args2[u"remote_integ_key"] = ikeys[i]
- history = bool(not 1 < i < n_tunnels - 2)
- papi_exec.add(cmd1, history=history, **args1).\
- add(cmd2, history=history, **args2)
- replies = papi_exec.get_replies(err_msg)
- for reply in replies:
- if u"sw_if_index" in reply:
- ipsec_tunnels.append(reply[u"sw_if_index"])
- # Configure IP routes
- cmd1 = u"sw_interface_set_unnumbered"
- args1 = dict(
+ err_msg = (
+ "Failed to add protection for tunnels with IPSEC"
+ f" on host {nodes['DUT1']['host']}"
+ )
+ papi_exec.get_replies(err_msg)
+
+ # Configure unnumbered interfaces
+ cmd = "sw_interface_set_unnumbered"
+ args = dict(
is_add=True,
sw_if_index=InterfaceUtil.get_interface_index(
- nodes[u"DUT1"], if1_key
+ nodes["DUT1"], if1_key
),
- unnumbered_sw_if_index=0
+ unnumbered_sw_if_index=0,
)
- cmd2 = u"sw_interface_set_flags"
- args2 = dict(
+ for i in range(existing_tunnels, n_tunnels):
+ args["unnumbered_sw_if_index"] = ipip_tunnels[i]
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
+ )
+ # Set interfaces up
+ cmd = "sw_interface_set_flags"
+ args = dict(
sw_if_index=0,
- flags=InterfaceStatusFlags.IF_STATUS_API_FLAG_ADMIN_UP.value
- )
- cmd3 = u"ip_route_add_del"
- args3 = dict(
- is_add=1,
- is_multipath=0,
- route=None
+ flags=InterfaceStatusFlags.IF_STATUS_API_FLAG_ADMIN_UP.value,
)
- err_msg = f"Failed to add IP routes " \
- f"on host {nodes[u'DUT1'][u'host']}"
for i in range(existing_tunnels, n_tunnels):
- args1[u"unnumbered_sw_if_index"] = ipsec_tunnels[i]
- args2[u"sw_if_index"] = ipsec_tunnels[i]
- args3[u"route"] = IPUtil.compose_vpp_route_structure(
- nodes[u"DUT1"], (raddr_ip2 + i).compressed,
+ args["sw_if_index"] = ipip_tunnels[i]
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
+ )
+ # Configure IP routes
+ cmd = "ip_route_add_del"
+ args = dict(is_add=1, is_multipath=0, route=None)
+ for i in range(existing_tunnels, n_tunnels):
+ args["route"] = IPUtil.compose_vpp_route_structure(
+ nodes["DUT1"],
+ (raddr_ip2 + i).compressed,
prefix_len=128 if raddr_ip2.version == 6 else 32,
- interface=ipsec_tunnels[i]
+ interface=ipip_tunnels[i],
)
- history = bool(not 1 < i < n_tunnels - 2)
- papi_exec.add(cmd1, history=history, **args1).\
- add(cmd2, history=history, **args2).\
- add(cmd3, history=history, **args3)
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
+ )
+ err_msg = f"Failed to add IP routes on host {nodes['DUT1']['host']}"
papi_exec.get_replies(err_msg)
- with PapiSocketExecutor(nodes[u"DUT2"]) as papi_exec:
+ return ckeys, ikeys
+
+ @staticmethod
+ def _ipsec_create_tunnel_interfaces_dut2_papi(
+ nodes: dict,
+ tun_ips: dict,
+ if2_key: str,
+ n_tunnels: int,
+ crypto_alg: CryptoAlg.InputType,
+ ckeys: Sequence[bytes],
+ integ_alg: IntegAlg.InputType,
+ ikeys: Sequence[bytes],
+ raddr_ip1: Union[IPv4Address, IPv6Address],
+ addr_incr: int,
+ spi_d: dict,
+ existing_tunnels: int = 0,
+ ) -> None:
+ """Create multiple IPsec tunnel interfaces on DUT2 node using PAPI.
+
+ This method accesses keys generated by DUT1 method
+ and does not return anything.
+
+ :param nodes: VPP nodes to create tunnel interfaces.
+ :param tun_ips: Dictionary with VPP node 1 ipsec tunnel interface
+ IPv4/IPv6 address (ip1) and VPP node 2 ipsec tunnel interface
+ IPv4/IPv6 address (ip2).
+ :param if2_key: VPP node 2 / TG node (in case of 2-node topology)
+ interface key from topology file.
+ :param n_tunnels: Number of tunnel interfaces to be there at the end.
+ :param crypto_alg: The encryption algorithm name.
+ :param ckeys: List of encryption keys.
+ :param integ_alg: The integrity algorithm name.
+ :param ikeys: List of integrity keys.
+ :param raddr_ip1: Policy selector remote IPv4/IPv6 start address for the
+ first tunnel in direction node1->node2.
+ :param spi_d: Dictionary with SPIs for VPP node 1 and VPP node 2.
+ :param addr_incr: IP / IPv6 address incremental step.
+ :param existing_tunnels: Number of tunnel interfaces before creation.
+ Useful mainly for reconf tests. Default 0.
+ :type nodes: dict
+ :type tun_ips: dict
+ :type if2_key: str
+ :type n_tunnels: int
+ :type crypto_alg: CryptoAlg.InputType
+ :type ckeys: Sequence[bytes]
+ :type integ_alg: IntegAlg.InputType
+ :type ikeys: Sequence[bytes]
+ :type raddr_ip1: Union[IPv4Address, IPv6Address]
+ :type addr_incr: int
+ :type spi_d: dict
+ :type existing_tunnels: int
+ """
+ crypto_alg = get_enum_instance(CryptoAlg, crypto_alg)
+ integ_alg = get_enum_instance(IntegAlg, integ_alg)
+ with PapiSocketExecutor(nodes["DUT2"], is_async=True) as papi_exec:
if not existing_tunnels:
# Set IP address on VPP node 2 interface
- cmd1 = u"sw_interface_add_del_address"
- args1 = dict(
+ cmd = "sw_interface_add_del_address"
+ args = dict(
sw_if_index=InterfaceUtil.get_interface_index(
- nodes[u"DUT2"], if2_key
+ nodes["DUT2"], if2_key
),
is_add=True,
del_all=False,
prefix=IPUtil.create_prefix_object(
- if2_ip, 96 if if2_ip.version == 6 else 24
- )
+ tun_ips["ip2"],
+ 96 if tun_ips["ip2"].version == 6 else 24,
+ ),
)
- err_msg = f"Failed to set IP address on interface {if2_key} " \
- f"on host {nodes[u'DUT2'][u'host']}"
- papi_exec.add(cmd1, **args1).get_reply(err_msg)
- # Configure IPsec tunnel interfaces
- cmd2 = u"ipsec_tunnel_if_add_del"
- args2 = dict(
- is_add=True,
- local_ip=IPAddress.create_ip_address_object(if2_ip),
- remote_ip=None,
- local_spi=0,
- remote_spi=0,
- crypto_alg=crypto_alg.alg_int_repr,
- local_crypto_key_len=0,
- local_crypto_key=None,
- remote_crypto_key_len=0,
- remote_crypto_key=None,
- integ_alg=integ_alg.alg_int_repr if integ_alg else 0,
- local_integ_key_len=0,
- local_integ_key=None,
- remote_integ_key_len=0,
- remote_integ_key=None,
- tx_table_id=0
+ err_msg = (
+ f"Failed to set IP address on interface {if2_key}"
+ f" on host {nodes['DUT2']['host']}"
+ )
+ papi_exec.add(cmd, **args).get_replies(err_msg)
+ # Configure IPIP tunnel interfaces
+ cmd = "ipip_add_tunnel"
+ ipip_tunnel = dict(
+ instance=Constants.BITWISE_NON_ZERO,
+ src=None,
+ dst=None,
+ table_id=0,
+ flags=int(
+ TunnelEncpaDecapFlags.TUNNEL_API_ENCAP_DECAP_FLAG_NONE
+ ),
+ mode=int(TunnelMode.TUNNEL_API_MODE_P2P),
+ dscp=int(IpDscp.IP_API_DSCP_CS0),
)
- err_msg = f"Failed to add IPsec tunnel interfaces " \
- f"on host {nodes[u'DUT2'][u'host']}"
- ipsec_tunnels = [None] * existing_tunnels
+ args = dict(tunnel=ipip_tunnel)
+ ipip_tunnels = [None] * existing_tunnels
for i in range(existing_tunnels, n_tunnels):
- args2[u"local_spi"] = spi_2 + i
- args2[u"remote_spi"] = spi_1 + i
- args2[u"local_ip"] = IPAddress.create_ip_address_object(if2_ip)
- args2[u"remote_ip"] = IPAddress.create_ip_address_object(
- if1_ip + i * addr_incr)
- args2[u"local_crypto_key_len"] = len(ckeys[i])
- args2[u"local_crypto_key"] = ckeys[i]
- args2[u"remote_crypto_key_len"] = len(ckeys[i])
- args2[u"remote_crypto_key"] = ckeys[i]
+ ipip_tunnel["src"] = IPAddress.create_ip_address_object(
+ tun_ips["ip2"]
+ )
+ ipip_tunnel["dst"] = IPAddress.create_ip_address_object(
+ tun_ips["ip1"] + i * addr_incr
+ )
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
+ )
+ err_msg = (
+ "Failed to add IPIP tunnel interfaces on host"
+ f" {nodes['DUT2']['host']}"
+ )
+ ipip_tunnels.extend(
+ [
+ reply["sw_if_index"]
+ for reply in papi_exec.get_replies(err_msg)
+ if "sw_if_index" in reply
+ ]
+ )
+ # Configure IPSec SAD entries
+ cmd = "ipsec_sad_entry_add_v2"
+ c_key = dict(length=0, data=None)
+ i_key = dict(length=0, data=None)
+ common_flags = IPsecSadFlags.IPSEC_API_SAD_FLAG_NONE
+ sad_entry = dict(
+ sad_id=None,
+ spi=None,
+ protocol=IPsecProto.ESP,
+ crypto_algorithm=crypto_alg.alg_int_repr,
+ crypto_key=c_key,
+ integrity_algorithm=integ_alg.alg_int_repr,
+ integrity_key=i_key,
+ flags=common_flags,
+ tunnel=dict(
+ src=0,
+ dst=0,
+ table_id=0,
+ encap_decap_flags=int(
+ TunnelEncpaDecapFlags.TUNNEL_API_ENCAP_DECAP_FLAG_NONE
+ ),
+ dscp=int(IpDscp.IP_API_DSCP_CS0),
+ ),
+ salt=0,
+ udp_src_port=IPSEC_UDP_PORT_DEFAULT,
+ udp_dst_port=IPSEC_UDP_PORT_DEFAULT,
+ anti_replay_window_size=IPSEC_REPLAY_WINDOW_DEFAULT,
+ )
+ args = dict(entry=sad_entry)
+ for i in range(existing_tunnels, n_tunnels):
+ ckeys.append(gen_key(crypto_alg.key_len))
+ ikeys.append(gen_key(integ_alg.key_len))
+ # SAD entry for outband / tx path
+ sad_entry["sad_id"] = 100000 + i
+ sad_entry["spi"] = spi_d["spi_2"] + i
+
+ sad_entry["crypto_key"]["length"] = len(ckeys[i])
+ sad_entry["crypto_key"]["data"] = ckeys[i]
if integ_alg:
- args2[u"local_integ_key_len"] = len(ikeys[i])
- args2[u"local_integ_key"] = ikeys[i]
- args2[u"remote_integ_key_len"] = len(ikeys[i])
- args2[u"remote_integ_key"] = ikeys[i]
- history = bool(not 1 < i < n_tunnels - 2)
- papi_exec.add(cmd2, history=history, **args2)
- replies = papi_exec.get_replies(err_msg)
- for reply in replies:
- if u"sw_if_index" in reply:
- ipsec_tunnels.append(reply[u"sw_if_index"])
+ sad_entry["integrity_key"]["length"] = len(ikeys[i])
+ sad_entry["integrity_key"]["data"] = ikeys[i]
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
+ )
+ sad_entry["flags"] |= IPsecSadFlags.IPSEC_API_SAD_FLAG_IS_INBOUND
+ for i in range(existing_tunnels, n_tunnels):
+ # SAD entry for inband / rx path
+ sad_entry["sad_id"] = i
+ sad_entry["spi"] = spi_d["spi_1"] + i
+
+ sad_entry["crypto_key"]["length"] = len(ckeys[i])
+ sad_entry["crypto_key"]["data"] = ckeys[i]
+ if integ_alg:
+ sad_entry["integrity_key"]["length"] = len(ikeys[i])
+ sad_entry["integrity_key"]["data"] = ikeys[i]
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
+ )
+ err_msg = (
+ f"Failed to add IPsec SAD entries on host"
+ f" {nodes['DUT2']['host']}"
+ )
+ papi_exec.get_replies(err_msg)
+ # Add protection for tunnels with IPSEC
+ cmd = "ipsec_tunnel_protect_update"
+ n_hop = dict(
+ address=0,
+ via_label=MPLS_LABEL_INVALID,
+ obj_id=Constants.BITWISE_NON_ZERO,
+ )
+ ipsec_tunnel_protect = dict(
+ sw_if_index=None, nh=n_hop, sa_out=None, n_sa_in=1, sa_in=None
+ )
+ args = dict(tunnel=ipsec_tunnel_protect)
+ for i in range(existing_tunnels, n_tunnels):
+ args["tunnel"]["sw_if_index"] = ipip_tunnels[i]
+ args["tunnel"]["sa_out"] = 100000 + i
+ args["tunnel"]["sa_in"] = [i]
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
+ )
+ err_msg = (
+ "Failed to add protection for tunnels with IPSEC"
+ f" on host {nodes['DUT2']['host']}"
+ )
+ papi_exec.get_replies(err_msg)
+
if not existing_tunnels:
- # Configure IP routes
- cmd1 = u"ip_route_add_del"
+ # Configure IP route
+ cmd = "ip_route_add_del"
route = IPUtil.compose_vpp_route_structure(
- nodes[u"DUT2"], if1_ip.compressed,
- prefix_len=32 if if1_ip.version == 6 else 8,
+ nodes["DUT2"],
+ tun_ips["ip1"].compressed,
+ prefix_len=32 if tun_ips["ip1"].version == 6 else 8,
interface=if2_key,
- gateway=(if2_ip - 1).compressed
+ gateway=(tun_ips["ip2"] - 1).compressed,
)
- args1 = dict(
- is_add=1,
- is_multipath=0,
- route=route
- )
- papi_exec.add(cmd1, **args1)
- cmd1 = u"sw_interface_set_unnumbered"
- args1 = dict(
+ args = dict(is_add=1, is_multipath=0, route=route)
+ papi_exec.add(cmd, **args)
+ # Configure unnumbered interfaces
+ cmd = "sw_interface_set_unnumbered"
+ args = dict(
is_add=True,
sw_if_index=InterfaceUtil.get_interface_index(
- nodes[u"DUT2"], if2_key
+ nodes["DUT2"], if2_key
),
- unnumbered_sw_if_index=0
+ unnumbered_sw_if_index=0,
)
- cmd2 = u"sw_interface_set_flags"
- args2 = dict(
+ for i in range(existing_tunnels, n_tunnels):
+ args["unnumbered_sw_if_index"] = ipip_tunnels[i]
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
+ )
+ # Set interfaces up
+ cmd = "sw_interface_set_flags"
+ args = dict(
sw_if_index=0,
- flags=InterfaceStatusFlags.IF_STATUS_API_FLAG_ADMIN_UP.value
- )
- cmd3 = u"ip_route_add_del"
- args3 = dict(
- is_add=1,
- is_multipath=0,
- route=None
+ flags=InterfaceStatusFlags.IF_STATUS_API_FLAG_ADMIN_UP.value,
)
- err_msg = f"Failed to add IP routes " \
- f"on host {nodes[u'DUT2'][u'host']}"
for i in range(existing_tunnels, n_tunnels):
- args1[u"unnumbered_sw_if_index"] = ipsec_tunnels[i]
- args2[u"sw_if_index"] = ipsec_tunnels[i]
- args3[u"route"] = IPUtil.compose_vpp_route_structure(
- nodes[u"DUT1"], (raddr_ip1 + i).compressed,
+ args["sw_if_index"] = ipip_tunnels[i]
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
+ )
+ # Configure IP routes
+ cmd = "ip_route_add_del"
+ args = dict(is_add=1, is_multipath=0, route=None)
+ for i in range(existing_tunnels, n_tunnels):
+ args["route"] = IPUtil.compose_vpp_route_structure(
+ nodes["DUT1"],
+ (raddr_ip1 + i).compressed,
prefix_len=128 if raddr_ip1.version == 6 else 32,
- interface=ipsec_tunnels[i]
+ interface=ipip_tunnels[i],
)
- history = bool(not 1 < i < n_tunnels - 2)
- papi_exec.add(cmd1, history=history, **args1). \
- add(cmd2, history=history, **args2). \
- add(cmd3, history=history, **args3)
+ papi_exec.add(
+ cmd, history=bool(not 1 < i < n_tunnels - 2), **args
+ )
+ err_msg = f"Failed to add IP routes on host {nodes['DUT2']['host']}"
papi_exec.get_replies(err_msg)
@staticmethod
- def _create_ipsec_script_files(dut, instances):
+ def vpp_ipsec_create_tunnel_interfaces(
+ nodes: dict,
+ tun_if1_ip_addr: str,
+ tun_if2_ip_addr: str,
+ if1_key: str,
+ if2_key: str,
+ n_tunnels: int,
+ crypto_alg: CryptoAlg.InputType,
+ integ_alg: IntegAlg.InputType,
+ raddr_ip1: str,
+ raddr_ip2: str,
+ raddr_range: int,
+ existing_tunnels: int = 0,
+ return_keys: bool = False,
+ ) -> Optional[Tuple[List[bytes], List[bytes], int, int]]:
+ """Create multiple IPsec tunnel interfaces between two VPP nodes.
+
+ Some deployments (e.g. devicetest) need to know the generated keys.
+ But other deployments (e.g. scale perf test) would get spammed
+ if we returned keys every time.
+
+ :param nodes: VPP nodes to create tunnel interfaces.
+ :param tun_if1_ip_addr: VPP node 1 ipsec tunnel interface IPv4/IPv6
+ address.
+ :param tun_if2_ip_addr: VPP node 2 ipsec tunnel interface IPv4/IPv6
+ address.
+ :param if1_key: VPP node 1 interface key from topology file.
+ :param if2_key: VPP node 2 / TG node (in case of 2-node topology)
+ interface key from topology file.
+ :param n_tunnels: Number of tunnel interfaces to be there at the end.
+ :param crypto_alg: The encryption algorithm name.
+ :param integ_alg: The integrity algorithm name.
+ :param raddr_ip1: Policy selector remote IPv4/IPv6 start address for the
+ first tunnel in direction node1->node2.
+ :param raddr_ip2: Policy selector remote IPv4/IPv6 start address for the
+ first tunnel in direction node2->node1.
+ :param raddr_range: Mask specifying range of Policy selector Remote
+ IPv4/IPv6 addresses. Valid values are from 1 to 32 in case of IPv4
+ and to 128 in case of IPv6.
+ :param existing_tunnels: Number of tunnel interfaces before creation.
+ Useful mainly for reconf tests. Default 0.
+ :param return_keys: Whether generated keys should be returned.
+ :type nodes: dict
+ :type tun_if1_ip_addr: str
+ :type tun_if2_ip_addr: str
+ :type if1_key: str
+ :type if2_key: str
+ :type n_tunnels: int
+ :type crypto_alg: CryptoAlg.InputType
+ :type integ_alg: IntegAlg.InputType
+ :type raddr_ip1: str
+ :type raddr_ip2: str
+ :type raddr_range: int
+ :type existing_tunnels: int
+ :type return_keys: bool
+ :returns: Ckeys, ikeys, spi_1, spi_2.
+ :rtype: Optional[Tuple[List[bytes], List[bytes], int, int]]
+ """
+ crypto_alg = get_enum_instance(CryptoAlg, crypto_alg)
+ integ_alg = get_enum_instance(IntegAlg, integ_alg)
+ n_tunnels = int(n_tunnels)
+ existing_tunnels = int(existing_tunnels)
+ spi_d = dict(spi_1=100000, spi_2=200000)
+ tun_ips = dict(
+ ip1=ip_address(tun_if1_ip_addr), ip2=ip_address(tun_if2_ip_addr)
+ )
+ raddr_ip1 = ip_address(raddr_ip1)
+ raddr_ip2 = ip_address(raddr_ip2)
+ addr_incr = (
+ 1 << (128 - raddr_range)
+ if tun_ips["ip1"].version == 6
+ else 1 << (32 - raddr_range)
+ )
+
+ ckeys, ikeys = IPsecUtil._ipsec_create_tunnel_interfaces_dut1_papi(
+ nodes,
+ tun_ips,
+ if1_key,
+ if2_key,
+ n_tunnels,
+ crypto_alg,
+ integ_alg,
+ raddr_ip2,
+ addr_incr,
+ spi_d,
+ existing_tunnels,
+ )
+ if "DUT2" in nodes.keys():
+ IPsecUtil._ipsec_create_tunnel_interfaces_dut2_papi(
+ nodes,
+ tun_ips,
+ if2_key,
+ n_tunnels,
+ crypto_alg,
+ ckeys,
+ integ_alg,
+ ikeys,
+ raddr_ip1,
+ addr_incr,
+ spi_d,
+ existing_tunnels,
+ )
+
+ if return_keys:
+ return ckeys, ikeys, spi_d["spi_1"], spi_d["spi_2"]
+ return None
+
+ @staticmethod
+ def _create_ipsec_script_files(
+ dut: str, instances: int
+ ) -> List[TextIOWrapper]:
"""Create script files for configuring IPsec in containers
:param dut: DUT node on which to create the script files
:param instances: number of containers on DUT node
- :type dut: string
+ :type dut: str
:type instances: int
+ :returns: Created opened file handles.
+ :rtype: List[TextIOWrapper]
"""
scripts = []
for cnf in range(0, instances):
script_filename = (
f"/tmp/ipsec_create_tunnel_cnf_{dut}_{cnf + 1}.config"
)
- scripts.append(open(script_filename, 'w'))
+ scripts.append(open(script_filename, "w", encoding="utf-8"))
return scripts
@staticmethod
def _close_and_copy_ipsec_script_files(
- dut, nodes, instances, scripts):
+ dut: str, nodes: dict, instances: int, scripts: Sequence[TextIOWrapper]
+ ) -> None:
"""Close created scripts and copy them to containers
:param dut: DUT node on which to create the script files
:param nodes: VPP nodes
:param instances: number of containers on DUT node
:param scripts: dictionary holding the script files
- :type dut: string
+ :type dut: str
:type nodes: dict
:type instances: int
:type scripts: dict
)
scp_node(nodes[dut], script_filename, script_filename)
-
- @staticmethod
- def vpp_ipsec_create_tunnel_interfaces_in_containers(
- nodes, if1_ip_addr, if2_ip_addr, if1_key, if2_key, n_tunnels,
- crypto_alg, integ_alg, raddr_ip1, raddr_ip2, raddr_range,
- n_instances):
- """Create multiple IPsec tunnel interfaces between two VPP nodes.
-
- :param nodes: VPP nodes to create tunnel interfaces.
- :param if1_ip_addr: VPP node 1 interface IP4 address.
- :param if2_ip_addr: VPP node 2 interface IP4 address.
- :param if1_key: VPP node 1 interface key from topology file.
- :param if2_key: VPP node 2 interface key from topology file.
- :param n_tunnels: Number of tunnell interfaces to create.
- :param crypto_alg: The encryption algorithm name.
- :param integ_alg: The integrity algorithm name.
- :param raddr_ip1: Policy selector remote IPv4 start address for the
- first tunnel in direction node1->node2.
- :param raddr_ip2: Policy selector remote IPv4 start address for the
- first tunnel in direction node2->node1.
- :param raddr_range: Mask specifying range of Policy selector Remote
- IPv4 addresses. Valid values are from 1 to 32.
- :param n_instances: Number of containers.
- :type nodes: dict
- :type if1_ip_addr: str
- :type if2_ip_addr: str
- :type if1_key: str
- :type if2_key: str
- :type n_tunnels: int
- :type crypto_alg: CryptoAlg
- :type integ_alg: IntegAlg
- :type raddr_ip1: string
- :type raddr_ip2: string
- :type raddr_range: int
- :type n_instances: int
- """
- spi_1 = 100000
- spi_2 = 200000
- addr_incr = 1 << (32 - raddr_range)
-
- dut1_scripts = IPsecUtil._create_ipsec_script_files(
- u"DUT1", n_instances)
- dut2_scripts = IPsecUtil._create_ipsec_script_files(
- u"DUT2", n_instances)
-
- for cnf in range(0, n_instances):
- dut1_scripts[cnf].write(
- u"create loopback interface\n"
- u"set interface state loop0 up\n\n"
- )
- dut2_scripts[cnf].write(
- f"ip route add {if1_ip_addr}/8 via "
- f"{ip_address(if2_ip_addr) + cnf + 100} memif1/{cnf + 1}\n\n"
- )
-
- for tnl in range(0, n_tunnels):
- tnl_incr = tnl * addr_incr
- cnf = tnl % n_instances
- i = tnl // n_instances
- ckey = gen_key(IPsecUtil.get_crypto_alg_key_len(crypto_alg)).hex()
- integ = u""
- if integ_alg:
- ikey = gen_key(IPsecUtil.get_integ_alg_key_len(integ_alg)).hex()
- integ = (
- f"integ-alg {integ_alg.alg_name} "
- f"local-integ-key {ikey} "
- f"remote-integ-key {ikey} "
- )
-
- # Configure tunnel end point(s) on left side
- dut1_scripts[cnf].write(
- u"set interface ip address loop0 "
- f"{ip_address(if1_ip_addr) + tnl_incr}/32\n"
- f"create ipsec tunnel "
- f"local-ip {ip_address(if1_ip_addr) + tnl_incr} "
- f"local-spi {spi_1 + tnl} "
- f"remote-ip {ip_address(if2_ip_addr) + cnf} "
- f"remote-spi {spi_2 + tnl} "
- f"crypto-alg {crypto_alg.alg_name} "
- f"local-crypto-key {ckey} "
- f"remote-crypto-key {ckey} "
- f"instance {i} "
- f"salt 0x0 "
- f"{integ} \n"
- f"set interface unnumbered ipip{i} use loop0\n"
- f"set interface state ipip{i} up\n"
- f"ip route add {ip_address(raddr_ip2)+tnl}/32 via ipip{i}\n\n"
- )
-
- # Configure tunnel end point(s) on right side
- dut2_scripts[cnf].write(
- f"set ip neighbor memif1/{cnf + 1} "
- f"{ip_address(if1_ip_addr) + tnl_incr} "
- f"02:02:00:00:{17:02X}:{cnf:02X} static\n"
- f"create ipsec tunnel local-ip {ip_address(if2_ip_addr) + cnf} "
- f"local-spi {spi_2 + tnl} "
- f"remote-ip {ip_address(if1_ip_addr) + tnl_incr} "
- f"remote-spi {spi_1 + tnl} "
- f"crypto-alg {crypto_alg.alg_name} "
- f"local-crypto-key {ckey} "
- f"remote-crypto-key {ckey} "
- f"instance {i} "
- f"salt 0x0 "
- f"{integ}\n"
- f"set interface unnumbered ipip{i} use memif1/{cnf + 1}\n"
- f"set interface state ipip{i} up\n"
- f"ip route add {ip_address(raddr_ip1) + tnl}/32 via ipip{i}\n\n"
- )
-
- IPsecUtil._close_and_copy_ipsec_script_files(
- u"DUT1", nodes, n_instances, dut1_scripts)
- IPsecUtil._close_and_copy_ipsec_script_files(
- u"DUT2", nodes, n_instances, dut2_scripts)
-
@staticmethod
def vpp_ipsec_add_multiple_tunnels(
- nodes, interface1, interface2, n_tunnels, crypto_alg, integ_alg,
- tunnel_ip1, tunnel_ip2, raddr_ip1, raddr_ip2, raddr_range):
+ nodes: dict,
+ interface1: Union[str, int],
+ interface2: Union[str, int],
+ n_tunnels: int,
+ crypto_alg: CryptoAlg.InputType,
+ integ_alg: IntegAlg.InputType,
+ tunnel_ip1: str,
+ tunnel_ip2: str,
+ raddr_ip1: str,
+ raddr_ip2: str,
+ raddr_range: int,
+ tunnel_addr_incr: bool = True,
+ ) -> None:
"""Create multiple IPsec tunnels between two VPP nodes.
:param nodes: VPP nodes to create tunnels.
first tunnel in direction node2->node1.
:param raddr_range: Mask specifying range of Policy selector Remote
IPv4 addresses. Valid values are from 1 to 32.
+ :param tunnel_addr_incr: Enable or disable tunnel IP address
+ incremental step.
:type nodes: dict
- :type interface1: str or int
- :type interface2: str or int
+ :type interface1: Union[str, int]
+ :type interface2: Union[str, int]
:type n_tunnels: int
- :type crypto_alg: CryptoAlg
- :type integ_alg: IntegAlg
+ :type crypto_alg: CryptoAlg.InputType
+ :type integ_alg: IntegAlg.InputType
:type tunnel_ip1: str
:type tunnel_ip2: str
- :type raddr_ip1: string
- :type raddr_ip2: string
+ :type raddr_ip1: str
+ :type raddr_ip2: str
:type raddr_range: int
+ :type tunnel_addr_incr: bool
"""
+ crypto_alg = get_enum_instance(CryptoAlg, crypto_alg)
+ integ_alg = get_enum_instance(IntegAlg, integ_alg)
+
spd_id = 1
p_hi = 100
p_lo = 10
spi_1 = 300000
spi_2 = 400000
- crypto_key = gen_key(
- IPsecUtil.get_crypto_alg_key_len(crypto_alg)
- ).decode()
- integ_key = gen_key(
- IPsecUtil.get_integ_alg_key_len(integ_alg)
- ).decode() if integ_alg else u""
-
- IPsecUtil.vpp_ipsec_set_ip_route(
- nodes[u"DUT1"], n_tunnels, tunnel_ip1, raddr_ip2, tunnel_ip2,
- interface1, raddr_range)
- IPsecUtil.vpp_ipsec_set_ip_route(
- nodes[u"DUT2"], n_tunnels, tunnel_ip2, raddr_ip1, tunnel_ip1,
- interface2, raddr_range)
-
- IPsecUtil.vpp_ipsec_add_spd(nodes[u"DUT1"], spd_id)
- IPsecUtil.vpp_ipsec_spd_add_if(nodes[u"DUT1"], spd_id, interface1)
- IPsecUtil.vpp_ipsec_policy_add(
- nodes[u"DUT1"], spd_id, p_hi, PolicyAction.BYPASS, inbound=False,
- proto=50, laddr_range=u"100.0.0.0/8", raddr_range=u"100.0.0.0/8"
+ crypto_key = gen_key(crypto_alg.key_len).decode()
+ integ_key = gen_key(integ_alg.key_len).decode()
+ rmac = (
+ Topology.get_interface_mac(nodes["DUT2"], interface2)
+ if "DUT2" in nodes.keys()
+ else Topology.get_interface_mac(nodes["TG"], interface2)
)
- IPsecUtil.vpp_ipsec_policy_add(
- nodes[u"DUT1"], spd_id, p_hi, PolicyAction.BYPASS, inbound=True,
- proto=50, laddr_range=u"100.0.0.0/8", raddr_range=u"100.0.0.0/8"
+ IPsecUtil.vpp_ipsec_set_ip_route(
+ nodes["DUT1"],
+ n_tunnels,
+ tunnel_ip1,
+ raddr_ip2,
+ tunnel_ip2,
+ interface1,
+ raddr_range,
+ rmac,
)
- IPsecUtil.vpp_ipsec_add_spd(nodes[u"DUT2"], spd_id)
- IPsecUtil.vpp_ipsec_spd_add_if(nodes[u"DUT2"], spd_id, interface2)
- IPsecUtil.vpp_ipsec_policy_add(
- nodes[u"DUT2"], spd_id, p_hi, PolicyAction.BYPASS, inbound=False,
- proto=50, laddr_range=u"100.0.0.0/8", raddr_range=u"100.0.0.0/8"
- )
- IPsecUtil.vpp_ipsec_policy_add(
- nodes[u"DUT2"], spd_id, p_hi, PolicyAction.BYPASS, inbound=True,
- proto=50, laddr_range=u"100.0.0.0/8", raddr_range=u"100.0.0.0/8"
+ IPsecUtil.vpp_ipsec_add_spd(nodes["DUT1"], spd_id)
+ IPsecUtil.vpp_ipsec_spd_add_if(nodes["DUT1"], spd_id, interface1)
+
+ addr_incr = (
+ 1 << (128 - 96)
+ if ip_address(tunnel_ip1).version == 6
+ else 1 << (32 - 24)
)
+ for i in range(n_tunnels // (addr_incr**2) + 1):
+ dut1_local_outbound_range = ip_network(
+ f"{ip_address(tunnel_ip1) + i*(addr_incr**3)}/8", False
+ ).with_prefixlen
+ dut1_remote_outbound_range = ip_network(
+ f"{ip_address(tunnel_ip2) + i*(addr_incr**3)}/8", False
+ ).with_prefixlen
+
+ IPsecUtil.vpp_ipsec_add_spd_entry(
+ nodes["DUT1"],
+ spd_id,
+ p_hi,
+ IpsecSpdAction.BYPASS,
+ inbound=False,
+ proto=IPsecProto.ESP,
+ laddr_range=dut1_local_outbound_range,
+ raddr_range=dut1_remote_outbound_range,
+ )
+ IPsecUtil.vpp_ipsec_add_spd_entry(
+ nodes["DUT1"],
+ spd_id,
+ p_hi,
+ IpsecSpdAction.BYPASS,
+ inbound=True,
+ proto=IPsecProto.ESP,
+ laddr_range=dut1_remote_outbound_range,
+ raddr_range=dut1_local_outbound_range,
+ )
IPsecUtil.vpp_ipsec_add_sad_entries(
- nodes[u"DUT1"], n_tunnels, sa_id_1, spi_1, crypto_alg, crypto_key,
- integ_alg, integ_key, tunnel_ip1, tunnel_ip2
+ nodes["DUT1"],
+ n_tunnels,
+ sa_id_1,
+ spi_1,
+ crypto_alg,
+ crypto_key,
+ integ_alg,
+ integ_key,
+ tunnel_ip1,
+ tunnel_ip2,
+ tunnel_addr_incr,
)
- IPsecUtil.vpp_ipsec_spd_add_entries(
- nodes[u"DUT1"], n_tunnels, spd_id, p_lo, False, sa_id_1, raddr_ip2
+
+ IPsecUtil.vpp_ipsec_add_spd_entries(
+ nodes["DUT1"],
+ n_tunnels,
+ spd_id,
+ priority=ObjIncrement(p_lo, 0),
+ action=IpsecSpdAction.PROTECT,
+ inbound=False,
+ sa_id=ObjIncrement(sa_id_1, 1),
+ raddr_range=NetworkIncrement(ip_network(raddr_ip2)),
)
IPsecUtil.vpp_ipsec_add_sad_entries(
- nodes[u"DUT2"], n_tunnels, sa_id_1, spi_1, crypto_alg, crypto_key,
- integ_alg, integ_key, tunnel_ip1, tunnel_ip2
+ nodes["DUT1"],
+ n_tunnels,
+ sa_id_2,
+ spi_2,
+ crypto_alg,
+ crypto_key,
+ integ_alg,
+ integ_key,
+ tunnel_ip2,
+ tunnel_ip1,
+ tunnel_addr_incr,
)
- IPsecUtil.vpp_ipsec_spd_add_entries(
- nodes[u"DUT2"], n_tunnels, spd_id, p_lo, True, sa_id_1, raddr_ip2
+ IPsecUtil.vpp_ipsec_add_spd_entries(
+ nodes["DUT1"],
+ n_tunnels,
+ spd_id,
+ priority=ObjIncrement(p_lo, 0),
+ action=IpsecSpdAction.PROTECT,
+ inbound=True,
+ sa_id=ObjIncrement(sa_id_2, 1),
+ raddr_range=NetworkIncrement(ip_network(raddr_ip1)),
)
- IPsecUtil.vpp_ipsec_add_sad_entries(
- nodes[u"DUT2"], n_tunnels, sa_id_2, spi_2, crypto_alg, crypto_key,
- integ_alg, integ_key, tunnel_ip2, tunnel_ip1
- )
+ if "DUT2" in nodes.keys():
+ rmac = Topology.get_interface_mac(nodes["DUT1"], interface1)
+ IPsecUtil.vpp_ipsec_set_ip_route(
+ nodes["DUT2"],
+ n_tunnels,
+ tunnel_ip2,
+ raddr_ip1,
+ tunnel_ip1,
+ interface2,
+ raddr_range,
+ rmac,
+ )
- IPsecUtil.vpp_ipsec_spd_add_entries(
- nodes[u"DUT2"], n_tunnels, spd_id, p_lo, False, sa_id_2, raddr_ip1
- )
+ IPsecUtil.vpp_ipsec_add_spd(nodes["DUT2"], spd_id)
+ IPsecUtil.vpp_ipsec_spd_add_if(nodes["DUT2"], spd_id, interface2)
+ for i in range(n_tunnels // (addr_incr**2) + 1):
+ dut2_local_outbound_range = ip_network(
+ f"{ip_address(tunnel_ip1) + i*(addr_incr**3)}/8", False
+ ).with_prefixlen
+ dut2_remote_outbound_range = ip_network(
+ f"{ip_address(tunnel_ip2) + i*(addr_incr**3)}/8", False
+ ).with_prefixlen
+
+ IPsecUtil.vpp_ipsec_add_spd_entry(
+ nodes["DUT2"],
+ spd_id,
+ p_hi,
+ IpsecSpdAction.BYPASS,
+ inbound=False,
+ proto=IPsecProto.ESP,
+ laddr_range=dut2_remote_outbound_range,
+ raddr_range=dut2_local_outbound_range,
+ )
+ IPsecUtil.vpp_ipsec_add_spd_entry(
+ nodes["DUT2"],
+ spd_id,
+ p_hi,
+ IpsecSpdAction.BYPASS,
+ inbound=True,
+ proto=IPsecProto.ESP,
+ laddr_range=dut2_local_outbound_range,
+ raddr_range=dut2_remote_outbound_range,
+ )
- IPsecUtil.vpp_ipsec_add_sad_entries(
- nodes[u"DUT1"], n_tunnels, sa_id_2, spi_2, crypto_alg, crypto_key,
- integ_alg, integ_key, tunnel_ip2, tunnel_ip1
- )
+ IPsecUtil.vpp_ipsec_add_sad_entries(
+ nodes["DUT2"],
+ n_tunnels,
+ sa_id_1,
+ spi_1,
+ crypto_alg,
+ crypto_key,
+ integ_alg,
+ integ_key,
+ tunnel_ip1,
+ tunnel_ip2,
+ tunnel_addr_incr,
+ )
+ IPsecUtil.vpp_ipsec_add_spd_entries(
+ nodes["DUT2"],
+ n_tunnels,
+ spd_id,
+ priority=ObjIncrement(p_lo, 0),
+ action=IpsecSpdAction.PROTECT,
+ inbound=True,
+ sa_id=ObjIncrement(sa_id_1, 1),
+ raddr_range=NetworkIncrement(ip_network(raddr_ip2)),
+ )
- IPsecUtil.vpp_ipsec_spd_add_entries(
- nodes[u"DUT1"], n_tunnels, spd_id, p_lo, True, sa_id_2, raddr_ip1
- )
+ IPsecUtil.vpp_ipsec_add_sad_entries(
+ nodes["DUT2"],
+ n_tunnels,
+ sa_id_2,
+ spi_2,
+ crypto_alg,
+ crypto_key,
+ integ_alg,
+ integ_key,
+ tunnel_ip2,
+ tunnel_ip1,
+ tunnel_addr_incr,
+ )
+ IPsecUtil.vpp_ipsec_add_spd_entries(
+ nodes["DUT2"],
+ n_tunnels,
+ spd_id,
+ priority=ObjIncrement(p_lo, 0),
+ action=IpsecSpdAction.PROTECT,
+ inbound=False,
+ sa_id=ObjIncrement(sa_id_2, 1),
+ raddr_range=NetworkIncrement(ip_network(raddr_ip1)),
+ )
@staticmethod
- def vpp_ipsec_show(node):
- """Run "show ipsec" debug CLI command.
+ def vpp_ipsec_show_all(node: dict) -> None:
+ """Run "show ipsec all" debug CLI command.
:param node: Node to run command on.
:type node: dict
"""
- PapiSocketExecutor.run_cli_cmd(node, u"show ipsec")
+ PapiSocketExecutor.run_cli_cmd(node, "show ipsec all")
+
+ @staticmethod
+ def show_ipsec_security_association(node: dict) -> None:
+ """Show IPSec security association.
+
+ :param node: DUT node.
+ :type node: dict
+ """
+ cmd = "ipsec_sa_v5_dump"
+ PapiSocketExecutor.dump_and_log(node, [cmd])
+
+ @staticmethod
+ def vpp_ipsec_flow_enable_rss(
+ node: dict,
+ proto: str = "IPSEC_ESP",
+ rss_type: str = "esp",
+ function: str = "default",
+ ) -> int:
+ """Ipsec flow enable rss action.
+
+ :param node: DUT node.
+ :param proto: The flow protocol.
+ :param rss_type: RSS type.
+ :param function: RSS function.
+ :type node: dict
+ :type proto: IPsecProto.InputType
+ :type rss_type: str
+ :type function: str
+ :returns: flow_index.
+ :rtype: int
+ """
+ # The proto argument does not correspond to IPsecProto.
+ # The allowed values come from src/vnet/ip/protocols.def
+ # and we do not have a good enum for that yet.
+ # FlowUti. and FlowUtil. are close but not exactly the same.
+
+ # TODO: to be fixed to use full PAPI when it is ready in VPP
+ cmd = (
+ f"test flow add src-ip any proto {proto} rss function"
+ f" {function} rss types {rss_type}"
+ )
+ stdout = PapiSocketExecutor.run_cli_cmd(node, cmd)
+ flow_index = stdout.split()[1]
+
+ return flow_index
+
+ @staticmethod
+ def vpp_create_ipsec_flows_on_dut(
+ node: dict, n_flows: int, rx_queues: int, spi_start: int, interface: str
+ ) -> None:
+ """Create mutiple ipsec flows and enable flows onto interface.
+
+ :param node: DUT node.
+ :param n_flows: Number of flows to create.
+ :param rx_queues: NUmber of RX queues.
+ :param spi_start: The start spi.
+ :param interface: Name of the interface.
+
+ :type node: dict
+ :type n_flows: int
+ :type rx_queues: int
+ :type spi_start: int
+ :type interface: str
+ """
+
+ for i in range(0, n_flows):
+ rx_queue = i % rx_queues
+ spi = spi_start + i
+ flow_index = FlowUtil.vpp_create_ip4_ipsec_flow(
+ node, "ESP", spi, "redirect-to-queue", value=rx_queue
+ )
+ FlowUtil.vpp_flow_enable(node, interface, flow_index)
Code Review / csit.git / blobdiff