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authorJan Gelety <jgelety@cisco.com>2019-02-05 18:30:16 +0100
committerJan Gelety <jgelety@cisco.com>2019-02-06 15:01:48 +0000
commit96146c5df322c9fbf4007f07521b382cdd047f54 (patch)
treea643e3e72c2b123a762f968ad22a592bfb14e660 /resources/libraries/python
parent1eb5821ae2975d69d1c655049db02348bb79a5ca (diff)
FIX: Set ipsec backend to dpdk backend when aes-gcm cipher used
Change-Id: I008b9e0fd62cdc8e29136930762bd7412bd50181 Signed-off-by: Jan Gelety <jgelety@cisco.com> (cherry picked from commit 2230a8ab108fa114752decfc69321ec5a47f36a6)
Diffstat (limited to 'resources/libraries/python')
-rw-r--r--resources/libraries/python/IPsecUtil.py136
1 files changed, 121 insertions, 15 deletions
diff --git a/resources/libraries/python/IPsecUtil.py b/resources/libraries/python/IPsecUtil.py
index a4b8412e7c..a9cc6d155e 100644
--- a/resources/libraries/python/IPsecUtil.py
+++ b/resources/libraries/python/IPsecUtil.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2018 Cisco and/or its affiliates.
+# Copyright (c) 2019 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
@@ -16,10 +16,13 @@
import os
from ipaddress import ip_network, ip_address
-from enum import Enum
+from enum import Enum, IntEnum
+from robot.api import logger
-from resources.libraries.python.VatExecutor import VatExecutor
+from resources.libraries.python.PapiExecutor import PapiExecutor
+from resources.libraries.python.PapiErrors import PapiError, PapiCommandError
from resources.libraries.python.topology import Topology
+from resources.libraries.python.VatExecutor import VatExecutor, VatTerminal
from resources.libraries.python.VatJsonUtil import VatJsonUtil
@@ -60,6 +63,12 @@ class IntegAlg(Enum):
self.key_len = key_len
+class IPsecProto(IntEnum):
+ """IPsec protocol."""
+ ESP = 1
+ AH = 0
+
+
class IPsecUtil(object):
"""IPsec utilities."""
@@ -216,6 +225,102 @@ class IPsecUtil(object):
return integ_alg.scapy_name
@staticmethod
+ def ipsec_proto_esp():
+ """Return IPSec protocol ESP.
+
+ :returns: IPsecProto enum ESP object.
+ :rtype: IPsecProto
+ """
+ return int(IPsecProto.ESP)
+
+ @staticmethod
+ def ipsec_proto_ah():
+ """Return IPSec protocol AH.
+
+ :returns: IPsecProto enum AH object.
+ :rtype: IPsecProto
+ """
+ return int(IPsecProto.AH)
+
+ @staticmethod
+ def vpp_ipsec_select_backend(node, protocol, index=1):
+ """Select IPsec backend.
+
+ :param node: VPP node to select IPsec backend on.
+ :param protocol: IPsec protocol.
+ :param index: Backend index.
+ :type node: dict
+ :type protocol: IPsecProto
+ :type index: int
+ """
+ # TODO: move composition of api data to separate method
+ api_data = list()
+ api = dict(api_name='ipsec_select_backend')
+ api_args = dict(protocol=protocol)
+ api_args['index'] = index
+ api['api_args'] = api_args
+ api_data.append(api)
+
+ api_reply = None
+ with PapiExecutor(node) as papi_executor:
+ papi_executor.execute_papi(api_data)
+ try:
+ papi_executor.papi_should_have_passed()
+ except AssertionError:
+ raise PapiError('Failed to select IPsec backend on host {host}'.
+ format(host=node['host']))
+ api_reply = papi_executor.get_papi_reply()
+
+ if api_reply is not None:
+ api_r = api_reply[0]['api_reply']['ipsec_select_backend_reply']
+ if api_r['retval'] == 0:
+ logger.trace('IPsec backend successfully selected on host '
+ '{host}'.format(host=node['host']))
+ else:
+ raise PapiError('Failed to select IPsec backend on host {host}'.
+ format(host=node['host']))
+ else:
+ raise PapiError('No reply received for ipsec_select_backend API '
+ 'command on host {host}'.format(host=node['host']))
+
+ @staticmethod
+ def vpp_ipsec_backend_dump(node):
+ """Dump IPsec backends.
+
+ :param node: VPP node to dump IPsec backend on.
+ :type node: dict
+ """
+ # TODO: move composition of api data to separate method
+ api_data = list()
+ api = dict(api_name='ipsec_backend_dump')
+ api_args = dict()
+ api['api_args'] = api_args
+ api_data.append(api)
+
+ api_reply = None
+ with PapiExecutor(node) as papi_executor:
+ papi_executor.execute_papi(api_data)
+ try:
+ papi_executor.papi_should_have_passed()
+ except AssertionError:
+ raise PapiError('Failed to dump IPsec backends on host {host}'.
+ format(host=node['host']))
+ api_reply = papi_executor.get_papi_reply()
+
+ if api_reply is not None:
+ # api_r = api_reply[0]['api_reply']['ipsec_select_backend_reply']
+ # if api_r['retval'] == 0:
+ # logger.trace('IPsec backend successfully selected on host '
+ # '{host}'.format(host=node['host']))
+ # else:
+ # raise PapiError('Failed to select IPsec backend on host {host}'.
+ # format(host=node['host']))
+ logger.trace('IPsec backend dump\n{dump}'.format(dump=api_reply))
+ else:
+ raise PapiError('No reply received for ipsec_select_backend API '
+ 'command on host {host}'.format(host=node['host']))
+
+ @staticmethod
def vpp_ipsec_add_sad_entry(node, sad_id, spi, crypto_alg, crypto_key,
integ_alg, integ_key, tunnel_src=None,
tunnel_dst=None):
@@ -237,7 +342,7 @@ class IPsecUtil(object):
:type spi: int
:type crypto_alg: CryptoAlg
:type crypto_key: str
- :type integ_alg: str
+ :type integ_alg: IntegAlg
:type integ_key: str
:type tunnel_src: str
:type tunnel_dst: str
@@ -248,7 +353,7 @@ class IPsecUtil(object):
if tunnel_src is not None and tunnel_dst is not None else ''
out = VatExecutor.cmd_from_template(node,
- "ipsec/ipsec_sad_add_entry.vat",
+ 'ipsec/ipsec_sad_add_entry.vat',
sad_id=sad_id, spi=spi,
calg=crypto_alg.alg_name, ckey=ckey,
ialg=integ_alg.alg_name, ikey=ikey,
@@ -326,7 +431,7 @@ class IPsecUtil(object):
ikey = integ_key.encode('hex')
out = VatExecutor.cmd_from_template(node,
- "ipsec/ipsec_sa_set_key.vat",
+ 'ipsec/ipsec_sa_set_key.vat',
sa_id=sa_id,
ckey=ckey, ikey=ikey)
VatJsonUtil.verify_vat_retval(
@@ -342,7 +447,7 @@ class IPsecUtil(object):
:type node: dict
:type spd_id: int
"""
- out = VatExecutor.cmd_from_template(node, "ipsec/ipsec_spd_add.vat",
+ out = VatExecutor.cmd_from_template(node, 'ipsec/ipsec_spd_add.vat',
spd_id=spd_id)
VatJsonUtil.verify_vat_retval(
out[0],
@@ -363,7 +468,7 @@ class IPsecUtil(object):
if isinstance(interface, basestring) else interface
out = VatExecutor.cmd_from_template(node,
- "ipsec/ipsec_interface_add_spd.vat",
+ 'ipsec/ipsec_interface_add_spd.vat',
spd_id=spd_id, sw_if_id=sw_if_index)
VatJsonUtil.verify_vat_retval(
out[0],
@@ -431,7 +536,7 @@ class IPsecUtil(object):
p=rport_range.split('-'))
out = VatExecutor.cmd_from_template(node,
- "ipsec/ipsec_spd_add_entry.vat",
+ 'ipsec/ipsec_spd_add_entry.vat',
spd_id=spd_id, priority=priority,
action=act_str, direction=direction,
selector=selector)
@@ -544,7 +649,8 @@ class IPsecUtil(object):
with open(tmp_fn1, 'w') as tmp_f1, open(tmp_fn2, 'w') as tmp_f2:
for i in range(0, n_tunnels):
integ = ''
- if crypto_alg.alg_name != 'aes-gcm-128':
+ # if crypto_alg.alg_name != 'aes-gcm-128':
+ if not crypto_alg.alg_name.startswith('aes-gcm-'):
integ = 'integ_alg {integ_alg} '\
'local_integ_key {local_integ_key} '\
'remote_integ_key {remote_integ_key} '\
@@ -599,15 +705,15 @@ class IPsecUtil(object):
raddr_ip1 = ip_address(raddr_ip1_i + addr_incr*i)
raddr_ip2 = ip_address(raddr_ip2_i + addr_incr*i)
dut1_if = Topology.get_interface_name(node1, if1_key)
- dut1 = 'ip_add_del_route {raddr}/{mask} via {addr} ipsec{i}\n'\
+ dut1 = 'exec ip route add {raddr}/{mask} via {addr} ipsec{i}\n'\
'exec set interface unnumbered ipsec{i} use {uifc}\n'\
- 'sw_interface_set_flags ipsec{i} admin-up\n'\
+ 'exec set interface state ipsec{i} up\n'\
.format(raddr=raddr_ip2, mask=raddr_range,
addr=if2_ip_addr, i=i, uifc=dut1_if)
dut2_if = Topology.get_interface_name(node2, if2_key)
- dut2 = 'ip_add_del_route {raddr}/{mask} via {addr} ipsec{i}\n'\
+ dut2 = 'exec ip route add {raddr}/{mask} via {addr} ipsec{i}\n'\
'exec set interface unnumbered ipsec{i} use {uifc}\n'\
- 'sw_interface_set_flags ipsec{i} admin-up\n'\
+ 'exec set interface state ipsec{i} up\n'\
.format(raddr=raddr_ip1, mask=raddr_range,
addr=if1_ip_addr, i=i, uifc=dut2_if)
tmp_f1.write(dut1)
@@ -726,5 +832,5 @@ class IPsecUtil(object):
:param node: Node to run command on.
:type node: dict
"""
- VatExecutor().execute_script("ipsec/ipsec_show.vat", node,
+ VatExecutor().execute_script('ipsec/ipsec_show.vat', node,
json_out=False)