test/vpp_memif.py

   1 import socket
   2
   3 import six
   4
   5 from vpp_object import VppObject
   6 from vpp_ip import VppIpPrefix
   7 from vpp_papi import VppEnum
   8
   9
  10 class MEMIF_ROLE:
  11     MASTER = 0
  12     SLAVE = 1
  13
  14
  15 class MEMIF_MODE:
  16     ETHERNET = 0
  17     IP = 1
  18     PUNT_INJECT = 2
  19
  20
  21 def get_if_dump(dump, sw_if_index):
  22     for d in dump:
  23         if (d.sw_if_index == sw_if_index):
  24             return d
  25
  26
  27 def query_all_memif_vpp_config(_test):
  28     return _test.vapi.memif_dump()
  29
  30
  31 def remove_all_memif_vpp_config(_test):
  32     dump = _test.vapi.memif_dump()
  33     for d in dump:
  34         _test.vapi.memif_delete(d.sw_if_index)
  35     dump = _test.vapi.memif_socket_filename_dump()
  36     for d in dump:
  37         if d.socket_id != 0:
  38             _test.vapi.memif_socket_filename_add_del(
  39                 0, d.socket_id, d.socket_filename)
  40
  41
  42 class VppSocketFilename(VppObject):
  43     def __init__(self, test, socket_id, socket_filename,
  44                  add_default_folder=False):
  45         self._test = test
  46         self.socket_id = socket_id
  47         self.socket_filename = socket_filename
  48
  49         # if True insert default socket folder before socket filename,
  50         # after adding vpp config
  51         self.add_default_folder = add_default_folder
  52
  53     def add_vpp_config(self):
  54         rv = self._test.vapi.memif_socket_filename_add_del(
  55             1, self.socket_id, self.socket_filename)
  56         if self.add_default_folder:
  57             self.socket_filename = b"%s/%s" % (
  58                 six.ensure_binary(self._test.tempdir, encoding='utf-8'),
  59                 self.socket_filename)
  60         return rv
  61
  62     def remove_vpp_config(self):
  63         return self._test.vapi.memif_socket_filename_add_del(
  64             0, self.socket_id, self.socket_filename)
  65
  66     def query_vpp_config(self):
  67         return self._test.vapi.memif_socket_filename_dump()
  68
  69     def object_id(self):
  70         return "socket-filename-%d-%s" % (self.socket_id, self.socket_filename)
  71
  72
  73 class VppMemif(VppObject):
  74     def __init__(self, test, role, mode, rx_queues=0, tx_queues=0, if_id=0,
  75                  socket_id=0, secret="", ring_size=0, buffer_size=0,
  76                  hw_addr=""):
  77         self._test = test
  78         self.role = role
  79         self.mode = mode
  80         self.rx_queues = rx_queues
  81         self.tx_queues = tx_queues
  82         self.if_id = if_id
  83         self.socket_id = socket_id
  84         self.secret = secret
  85         self.ring_size = ring_size
  86         self.buffer_size = buffer_size
  87         self.hw_addr = hw_addr
  88         self.sw_if_index = None
  89         self.ip_prefix = VppIpPrefix("192.168.%d.%d" %
  90                                      (self.if_id + 1, self.role + 1), 24)
  91
  92     def add_vpp_config(self):
  93         rv = self._test.vapi.memif_create(
  94             role=self.role,
  95             mode=self.mode,
  96             rx_queues=self.rx_queues,
  97             tx_queues=self.tx_queues,
  98             id=self.if_id,
  99             socket_id=self.socket_id,
 100             secret=self.secret,
 101             ring_size=self.ring_size,
 102             buffer_size=self.buffer_size,
 103             hw_addr=self.hw_addr)
 104         try:
 105             self.sw_if_index = 0
 106         except AttributeError:
 107             raise AttributeError('self: %s' % self.__dict__)
 108         try:
 109             self.sw_if_index = rv.sw_if_index
 110         except AttributeError:
 111             raise AttributeError("%s %s", self, rv)
 112
 113         return self.sw_if_index
 114
 115     def admin_up(self):
 116         if self.sw_if_index:
 117             return self._test.vapi.sw_interface_set_flags(
 118                 sw_if_index=self.sw_if_index, flags=1)
 119
 120     def admin_down(self):
 121         if self.sw_if_index:
 122             return self._test.vapi.sw_interface_set_flags(
 123                 sw_if_index=self.sw_if_index, flags=0)
 124
 125     def wait_for_link_up(self, timeout, step=1):
 126         if not self.sw_if_index:
 127             return False
 128         while True:
 129             dump = self.query_vpp_config()
 130             if dump.link_up_down == 1:
 131                 return True
 132             self._test.sleep(step)
 133             timeout -= step
 134             if timeout <= 0:
 135                 return False
 136
 137     def config_ip4(self):
 138         return self._test.vapi.sw_interface_add_del_address(
 139             sw_if_index=self.sw_if_index, prefix=self.ip_prefix.encode())
 140
 141     def remove_vpp_config(self):
 142         self._test.vapi.memif_delete(self.sw_if_index)
 143         self.sw_if_index = None
 144
 145     def query_vpp_config(self):
 146         if not self.sw_if_index:
 147             return None
 148         dump = self._test.vapi.memif_dump()
 149         return get_if_dump(dump, self.sw_if_index)
 150
 151     def object_id(self):
 152         if self.sw_if_index:
 153             return "%d:%d:%d" % (self.role, self.if_id, self.sw_if_index)
 154         else:
 155             return "%d:%d:None" % (self.role, self.if_id)