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 __str__(self):
  70         return self.object_id()
  71
  72     def object_id(self):
  73         return "%d" % (self.socket_id)
  74
  75
  76 class VppMemif(VppObject):
  77     def __init__(self, test, role, mode, rx_queues=0, tx_queues=0, if_id=0,
  78                  socket_id=0, secret="", ring_size=0, buffer_size=0,
  79                  hw_addr=""):
  80         self._test = test
  81         self.role = role
  82         self.mode = mode
  83         self.rx_queues = rx_queues
  84         self.tx_queues = tx_queues
  85         self.if_id = if_id
  86         self.socket_id = socket_id
  87         self.secret = secret
  88         self.ring_size = ring_size
  89         self.buffer_size = buffer_size
  90         self.hw_addr = hw_addr
  91         self.sw_if_index = None
  92         self.ip_prefix = VppIpPrefix("192.168.%d.%d" %
  93                                      (self.if_id + 1, self.role + 1), 24)
  94
  95     def add_vpp_config(self):
  96         rv = self._test.vapi.memif_create(self.role, self.mode, self.rx_queues,
  97                                           self.tx_queues, self.if_id,
  98                                           self.socket_id, self.secret,
  99                                           self.ring_size, self.buffer_size,
 100                                           self.hw_addr)
 101         self.sw_if_index = rv.sw_if_index
 102         return self.sw_if_index
 103
 104     def admin_up(self):
 105         if self.sw_if_index:
 106             return self._test.vapi.sw_interface_set_flags(
 107                 sw_if_index=self.sw_if_index, flags=1)
 108
 109     def admin_down(self):
 110         if self.sw_if_index:
 111             return self._test.vapi.sw_interface_set_flags(
 112                 sw_if_index=self.sw_if_index, flags=0)
 113
 114     def wait_for_link_up(self, timeout, step=1):
 115         if not self.sw_if_index:
 116             return False
 117         while True:
 118             dump = self.query_vpp_config()
 119             if dump.link_up_down == 1:
 120                 return True
 121             self._test.sleep(step)
 122             timeout -= step
 123             if timeout <= 0:
 124                 return False
 125
 126     def config_ip4(self):
 127         return self._test.vapi.sw_interface_add_del_address(
 128             sw_if_index=self.sw_if_index, prefix=self.ip_prefix.encode())
 129
 130     def remove_vpp_config(self):
 131         self._test.vapi.memif_delete(self.sw_if_index)
 132         self.sw_if_index = None
 133
 134     def query_vpp_config(self):
 135         if not self.sw_if_index:
 136             return None
 137         dump = self._test.vapi.memif_dump()
 138         return get_if_dump(dump, self.sw_if_index)
 139
 140     def __str__(self):
 141         return self.object_id()
 142
 143     def object_id(self):
 144         if self.sw_if_index:
 145             return "%d:%d:%d" % (self.role, self.if_id, self.sw_if_index)
 146         else:
 147             return "%d:%d:None" % (self.role, self.if_id)