from socket import AF_INET, AF_INET6
import unittest
import sys
+from dataclasses import dataclass
from framework import VppTestCase
from util import ppp
+@dataclass
+class VarMask:
+ offset: int
+ spec: str
+
+
+@dataclass
+class VarMatch:
+ offset: int
+ value: int
+ length: int
+
+
class TestClassifier(VppTestCase):
@staticmethod
self.logger.info(self.vapi.cli("show classify table verbose"))
self.logger.info(self.vapi.cli("show ip fib"))
+ self.logger.info(self.vapi.cli("show error"))
- acl_active_table = 'ip_out'
- if self.af == AF_INET6:
- acl_active_table = 'ip6_out'
-
- if self.acl_active_table == acl_active_table:
+ if self.acl_active_table.endswith('out'):
self.output_acl_set_interface(
self.pg0, self.acl_tbl_idx.get(self.acl_active_table), 0)
- self.acl_active_table = ''
elif self.acl_active_table != '':
self.input_acl_set_interface(
self.pg0, self.acl_tbl_idx.get(self.acl_active_table), 0)
- self.acl_active_table = ''
+ self.acl_active_table = ''
for intf in self.interfaces:
if self.af == AF_INET:
src_mac = src_mac.replace(':', '')
return ('{!s:0>12}{!s:0>12}{!s:0>4}'.format(
- dst_mac, src_mac, ether_type)).rstrip('0')
+ dst_mac, src_mac, ether_type)).rstrip()
@staticmethod
def build_mac_mask(dst_mac='', src_mac='', ether_type=''):
"""
return ('{!s:0>12}{!s:0>12}{!s:0>4}'.format(
- dst_mac, src_mac, ether_type)).rstrip('0')
+ dst_mac, src_mac, ether_type)).rstrip()
@staticmethod
def build_ip_mask(proto='', src_ip='', dst_ip='',
return ('{!s:0>14}{!s:0>34}{!s:0>32}{!s:0>4}{!s:0>4}'.format(
nh, src_ip, dst_ip, src_port, dst_port)).rstrip('0')
+ @staticmethod
+ def build_payload_mask(masks):
+ payload_mask = ''
+
+ for mask in masks:
+ # offset is specified in bytes, convert to hex format.
+ length = (mask.offset * 2) + len(mask.spec)
+ format_spec = '{!s:0>' + str(length) + '}'
+ payload_mask += format_spec.format(mask.spec)
+
+ return payload_mask.rstrip('0')
+
@staticmethod
def build_ip_match(proto=0, src_ip='', dst_ip='',
src_port=0, dst_port=0):
hex(nh)[2:], src_ip, dst_ip, hex(src_port)[2:],
hex(dst_port)[2:])).rstrip('0')
+ @staticmethod
+ def build_payload_match(matches):
+ payload_match = ''
+
+ for match in matches:
+ sval = str(hex(match.value)[2:])
+ # offset is specified in bytes, convert to hex format.
+ length = (match.offset + match.length) * 2
+
+ format_spec = '{!s:0>' + str(length) + '}'
+ payload_match += format_spec.format(sval)
+
+ return payload_match.rstrip('0')
+
def create_stream(self, src_if, dst_if, packet_sizes,
- proto_l=UDP(sport=1234, dport=5678)):
+ proto_l=UDP(sport=1234, dport=5678),
+ payload_ex=None):
"""Create input packet stream for defined interfaces.
:param VppInterface src_if: Source Interface for packet stream.
for size in packet_sizes:
info = self.create_packet_info(src_if, dst_if)
payload = self.info_to_payload(info)
+
+ # append any additional payload after info
+ if payload_ex is not None:
+ payload += payload_ex
+
if self.af == AF_INET:
p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4) /
"Interface %s: Packet expected from interface %s "
"didn't arrive" % (dst_if.name, i.name))
- def create_classify_table(self, key, mask, data_offset=0):
+ def create_classify_table(self, key, mask, data_offset=0,
+ next_table_index=None):
"""Create Classify Table
:param str key: key for classify table (ex, ACL name).
:param str mask: mask value for interested traffic.
:param int data_offset:
+ :param str next_table_index
"""
mask_match, mask_match_len = self._resolve_mask_match(mask)
r = self.vapi.classify_add_del_table(
match_n_vectors=(len(mask) - 1) // 32 + 1,
miss_next_index=0,
current_data_flag=1,
- current_data_offset=data_offset)
+ current_data_offset=data_offset,
+ next_table_index=next_table_index)
self.assertIsNotNone(r, 'No response msg for add_del_table')
self.acl_tbl_idx[key] = r.new_table_index