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 "%d" % (self.socket_id)
  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(self.role, self.mode, self.rx_queues,
  92                                           self.tx_queues, self.if_id,
  93                                           self.socket_id, self.secret,
  94                                           self.ring_size, self.buffer_size,
  95                                           self.hw_addr)
  96         self.sw_if_index = rv.sw_if_index
  97         return self.sw_if_index
  98
  99     def admin_up(self):
 100         if self.sw_if_index:
 101             return self._test.vapi.sw_interface_set_flags(self.sw_if_index, 1)
 102
 103     def admin_down(self):
 104         if self.sw_if_index:
 105             return self._test.vapi.sw_interface_set_flags(self.sw_if_index, 0)
 106
 107     def wait_for_link_up(self, timeout, step=1):
 108         if not self.sw_if_index:
 109             return False
 110         while True:
 111             dump = self.query_vpp_config()
 112             if dump.link_up_down == 1:
 113                 return True
 114             self._test.sleep(step)
 115             timeout -= step
 116             if timeout <= 0:
 117                 return False
 118
 119     def config_ip4(self):
 120         return self._test.vapi.sw_interface_add_del_address(
 121             sw_if_index=self.sw_if_index, address=socket.inet_pton(
 122                 socket.AF_INET, self.ip4_addr),
 123             address_length=self.ip4_addr_len)
 124
 125     def remove_vpp_config(self):
 126         self._test.vapi.memif_delete(self.sw_if_index)
 127         self.sw_if_index = None
 128
 129     def query_vpp_config(self):
 130         if not self.sw_if_index:
 131             return None
 132         dump = self._test.vapi.memif_dump()
 133         return get_if_dump(dump, self.sw_if_index)
 134
 135     def object_id(self):
 136         if self.sw_if_index:
 137             return "%d:%d:%d" % (self.role, self.if_id, self.sw_if_index)
 138         else:
 139             return "%d:%d:None" % (self.role, self.if_id)