test/vpp_memif.py

   1 import socket
   2 from ipaddress import IPv4Network
   3
   4 from vpp_object import VppObject
   5 from vpp_papi import VppEnum
   6
   7
   8 def get_if_dump(dump, sw_if_index):
   9     for d in dump:
  10         if (d.sw_if_index == sw_if_index):
  11             return d
  12
  13
  14 def query_all_memif_vpp_config(_test):
  15     return _test.vapi.memif_dump()
  16
  17
  18 def remove_all_memif_vpp_config(_test):
  19     dump = _test.vapi.memif_dump()
  20     for d in dump:
  21         _test.vapi.memif_delete(d.sw_if_index)
  22     dump = _test.vapi.memif_socket_filename_dump()
  23     for d in dump:
  24         if d.socket_id != 0:
  25             _test.vapi.memif_socket_filename_add_del(
  26                 0, d.socket_id, d.socket_filename)
  27
  28
  29 class VppSocketFilename(VppObject):
  30     def __init__(self, test, socket_id, socket_filename,
  31                  add_default_folder=False):
  32         self._test = test
  33         self.socket_id = socket_id
  34         self.socket_filename = socket_filename
  35
  36         # if True insert default socket folder before socket filename,
  37         # after adding vpp config
  38         self.add_default_folder = add_default_folder
  39
  40     def add_vpp_config(self):
  41         rv = self._test.vapi.memif_socket_filename_add_del(
  42             1, self.socket_id, self.socket_filename)
  43         if self.add_default_folder:
  44             self.socket_filename = "%s/%s" % (self._test.tempdir,
  45                                               self.socket_filename)
  46         return rv
  47
  48     def remove_vpp_config(self):
  49         return self._test.vapi.memif_socket_filename_add_del(
  50             0, self.socket_id, self.socket_filename)
  51
  52     def query_vpp_config(self):
  53         return self._test.vapi.memif_socket_filename_dump()
  54
  55     def object_id(self):
  56         return "socket-filename-%d-%s" % (self.socket_id, self.socket_filename)
  57
  58
  59 class VppMemif(VppObject):
  60     def __init__(self, test, role, mode, rx_queues=0, tx_queues=0, if_id=0,
  61                  socket_id=0, secret="", ring_size=0, buffer_size=0,
  62                  hw_addr=""):
  63         self._test = test
  64         self.role = role
  65         self.mode = mode
  66         self.rx_queues = rx_queues
  67         self.tx_queues = tx_queues
  68         self.if_id = if_id
  69         self.socket_id = socket_id
  70         self.secret = secret
  71         self.ring_size = ring_size
  72         self.buffer_size = buffer_size
  73         self.hw_addr = hw_addr
  74         self.sw_if_index = None
  75         self.ip_prefix = IPv4Network("192.168.%d.%d/24" %
  76                                      (self.if_id + 1, self.role + 1),
  77                                      strict=False)
  78
  79     def add_vpp_config(self):
  80         rv = self._test.vapi.memif_create(
  81             role=self.role,
  82             mode=self.mode,
  83             rx_queues=self.rx_queues,
  84             tx_queues=self.tx_queues,
  85             id=self.if_id,
  86             socket_id=self.socket_id,
  87             secret=self.secret,
  88             ring_size=self.ring_size,
  89             buffer_size=self.buffer_size,
  90             hw_addr=self.hw_addr)
  91         try:
  92             self.sw_if_index = rv.sw_if_index
  93         except AttributeError:
  94             # rv doesn't have .sw_if_index attribute
  95             raise AttributeError("%s %s" % (self, rv))
  96
  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(
 102                 sw_if_index=self.sw_if_index, flags=1)
 103
 104     def admin_down(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=0)
 108
 109     def wait_for_link_up(self, timeout, step=1):
 110         if not self.sw_if_index:
 111             return False
 112         while True:
 113             dump = self.query_vpp_config()
 114             f = VppEnum.vl_api_if_status_flags_t.IF_STATUS_API_FLAG_LINK_UP
 115             if dump.flags & f:
 116                 return True
 117             self._test.sleep(step)
 118             timeout -= step
 119             if timeout <= 0:
 120                 return False
 121
 122     def config_ip4(self):
 123         return self._test.vapi.sw_interface_add_del_address(
 124             sw_if_index=self.sw_if_index, prefix=self.ip_prefix)
 125
 126     def remove_vpp_config(self):
 127         self._test.vapi.memif_delete(self.sw_if_index)
 128         self.sw_if_index = None
 129
 130     def query_vpp_config(self):
 131         if not self.sw_if_index:
 132             return None
 133         dump = self._test.vapi.memif_dump()
 134         return get_if_dump(dump, self.sw_if_index)
 135
 136     def object_id(self):
 137         if self.sw_if_index:
 138             return "%d:%d:%d" % (self.role, self.if_id, self.sw_if_index)
 139         else:
 140             return "%d:%d:None" % (self.role, self.if_id)