test/vpp_memif.py

   1 import socket
   2
   3 import six
   4
   5 from vpp_object import VppObject
   6
   7
   8 class MEMIF_ROLE:
   9     MASTER = 0
  10     SLAVE = 1
  11
  12
  13 class MEMIF_MODE:
  14     ETHERNET = 0
  15     IP = 1
  16     PUNT_INJECT = 2
  17
  18
  19 def get_if_dump(dump, sw_if_index):
  20     for d in dump:
  21         if (d.sw_if_index == sw_if_index):
  22             return d
  23
  24
  25 def query_all_memif_vpp_config(_test):
  26     return _test.vapi.memif_dump()
  27
  28
  29 def remove_all_memif_vpp_config(_test):
  30     dump = _test.vapi.memif_dump()
  31     for d in dump:
  32         _test.vapi.memif_delete(d.sw_if_index)
  33     dump = _test.vapi.memif_socket_filename_dump()
  34     for d in dump:
  35         if d.socket_id != 0:
  36             _test.vapi.memif_socket_filename_add_del(
  37                 0, d.socket_id, d.socket_filename)
  38
  39
  40 class VppSocketFilename(VppObject):
  41     def __init__(self, test, socket_id, socket_filename,
  42                  add_default_folder=False):
  43         self._test = test
  44         self.socket_id = socket_id
  45         self.socket_filename = socket_filename
  46
  47         # if True insert default socket folder before socket filename,
  48         # after adding vpp config
  49         self.add_default_folder = add_default_folder
  50
  51     def add_vpp_config(self):
  52         rv = self._test.vapi.memif_socket_filename_add_del(
  53             1, self.socket_id, self.socket_filename)
  54         if self.add_default_folder:
  55             self.socket_filename = b"%s/%s" % (
  56                 six.ensure_binary(self._test.tempdir, encoding='utf-8'),
  57                 self.socket_filename)
  58         return rv
  59
  60     def remove_vpp_config(self):
  61         return self._test.vapi.memif_socket_filename_add_del(
  62             0, self.socket_id, self.socket_filename)
  63
  64     def query_vpp_config(self):
  65         return self._test.vapi.memif_socket_filename_dump()
  66
  67     def object_id(self):
  68         return "socket-filename-%d-%s" % (self.socket_id, self.socket_filename)
  69
  70
  71 class VppMemif(VppObject):
  72     def __init__(self, test, role, mode, rx_queues=0, tx_queues=0, if_id=0,
  73                  socket_id=0, secret="", ring_size=0, buffer_size=0,
  74                  hw_addr=""):
  75         self._test = test
  76         self.role = role
  77         self.mode = mode
  78         self.rx_queues = rx_queues
  79         self.tx_queues = tx_queues
  80         self.if_id = if_id
  81         self.socket_id = socket_id
  82         self.secret = secret
  83         self.ring_size = ring_size
  84         self.buffer_size = buffer_size
  85         self.hw_addr = hw_addr
  86         self.sw_if_index = None
  87         self.ip4_addr = "192.168.%d.%d" % (self.if_id + 1, self.role + 1)
  88         self.ip4_addr_len = 24
  89
  90     def add_vpp_config(self):
  91         rv = self._test.vapi.memif_create(
  92             role=self.role,
  93             mode=self.mode,
  94             rx_queues=self.rx_queues,
  95             tx_queues=self.tx_queues,
  96             id=self.if_id,
  97             socket_id=self.socket_id,
  98             secret=self.secret,
  99             ring_size=self.ring_size,
 100             buffer_size=self.buffer_size,
 101             hw_addr=self.hw_addr)
 102         try:
 103             self.sw_if_index = 0
 104         except AttributeError:
 105             raise AttributeError('self: %s' % self.__dict__)
 106         try:
 107             self.sw_if_index = rv.sw_if_index
 108         except AttributeError:
 109             raise AttributeError("%s %s", self, rv)
 110
 111         return self.sw_if_index
 112
 113     def admin_up(self):
 114         if self.sw_if_index:
 115             return self._test.vapi.sw_interface_set_flags(self.sw_if_index, 1)
 116
 117     def admin_down(self):
 118         if self.sw_if_index:
 119             return self._test.vapi.sw_interface_set_flags(self.sw_if_index, 0)
 120
 121     def wait_for_link_up(self, timeout, step=1):
 122         if not self.sw_if_index:
 123             return False
 124         while True:
 125             dump = self.query_vpp_config()
 126             if dump.link_up_down == 1:
 127                 return True
 128             self._test.sleep(step)
 129             timeout -= step
 130             if timeout <= 0:
 131                 return False
 132
 133     def config_ip4(self):
 134         return self._test.vapi.sw_interface_add_del_address(
 135             sw_if_index=self.sw_if_index, address=socket.inet_pton(
 136                 socket.AF_INET, self.ip4_addr),
 137             address_length=self.ip4_addr_len)
 138
 139     def remove_vpp_config(self):
 140         self._test.vapi.memif_delete(self.sw_if_index)
 141         self.sw_if_index = None
 142
 143     def query_vpp_config(self):
 144         if not self.sw_if_index:
 145             return None
 146         dump = self._test.vapi.memif_dump()
 147         return get_if_dump(dump, self.sw_if_index)
 148
 149     def object_id(self):
 150         if self.sw_if_index:
 151             return "%d:%d:%d" % (self.role, self.if_id, self.sw_if_index)
 152         else:
 153             return "%d:%d:None" % (self.role, self.if_id)