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(0, d.socket_id, d.socket_filename)
  26
  27
  28 class VppSocketFilename(VppObject):
  29     def __init__(self, test, socket_id, socket_filename, add_default_folder=False):
  30         self._test = test
  31         self.socket_id = socket_id
  32         self.socket_filename = socket_filename
  33
  34         # if True insert default socket folder before socket filename,
  35         # after adding vpp config
  36         self.add_default_folder = add_default_folder
  37
  38     def add_vpp_config(self):
  39         rv = self._test.vapi.memif_socket_filename_add_del(
  40             1, self.socket_id, self.socket_filename
  41         )
  42         if self.add_default_folder:
  43             self.socket_filename = "%s/%s" % (self._test.tempdir, self.socket_filename)
  44         return rv
  45
  46     def remove_vpp_config(self):
  47         return self._test.vapi.memif_socket_filename_add_del(
  48             0, self.socket_id, self.socket_filename
  49         )
  50
  51     def query_vpp_config(self):
  52         return self._test.vapi.memif_socket_filename_dump()
  53
  54     def object_id(self):
  55         return "socket-filename-%d-%s" % (self.socket_id, self.socket_filename)
  56
  57
  58 class VppMemif(VppObject):
  59     def __init__(
  60         self,
  61         test,
  62         role,
  63         mode,
  64         rx_queues=0,
  65         tx_queues=0,
  66         if_id=0,
  67         socket_id=0,
  68         secret="",
  69         ring_size=0,
  70         buffer_size=0,
  71         hw_addr="",
  72     ):
  73         self._test = test
  74         self.role = role
  75         self.mode = mode
  76         self.rx_queues = rx_queues
  77         self.tx_queues = tx_queues
  78         self.if_id = if_id
  79         self.socket_id = socket_id
  80         self.secret = secret
  81         self.ring_size = ring_size
  82         self.buffer_size = buffer_size
  83         self.hw_addr = hw_addr
  84         self.sw_if_index = None
  85         self.ip_prefix = IPv4Network(
  86             "192.168.%d.%d/24" % (self.if_id + 1, self.role + 1), strict=False
  87         )
  88
  89     def add_vpp_config(self):
  90         rv = self._test.vapi.memif_create(
  91             role=self.role,
  92             mode=self.mode,
  93             rx_queues=self.rx_queues,
  94             tx_queues=self.tx_queues,
  95             id=self.if_id,
  96             socket_id=self.socket_id,
  97             secret=self.secret,
  98             ring_size=self.ring_size,
  99             buffer_size=self.buffer_size,
 100             hw_addr=self.hw_addr,
 101         )
 102         try:
 103             self.sw_if_index = rv.sw_if_index
 104         except AttributeError:
 105             # rv doesn't have .sw_if_index attribute
 106             raise AttributeError("%s %s" % (self, rv))
 107
 108         return self.sw_if_index
 109
 110     def admin_up(self):
 111         if self.sw_if_index:
 112             return self._test.vapi.sw_interface_set_flags(
 113                 sw_if_index=self.sw_if_index, flags=1
 114             )
 115
 116     def admin_down(self):
 117         if self.sw_if_index:
 118             return self._test.vapi.sw_interface_set_flags(
 119                 sw_if_index=self.sw_if_index, flags=0
 120             )
 121
 122     def wait_for_link_up(self, timeout, step=1):
 123         if not self.sw_if_index:
 124             return False
 125         while True:
 126             dump = self.query_vpp_config()
 127             f = VppEnum.vl_api_if_status_flags_t.IF_STATUS_API_FLAG_LINK_UP
 128             if dump.flags & f:
 129                 return True
 130             self._test.sleep(step)
 131             timeout -= step
 132             if timeout <= 0:
 133                 return False
 134
 135     def config_ip4(self):
 136         return self._test.vapi.sw_interface_add_del_address(
 137             sw_if_index=self.sw_if_index, prefix=self.ip_prefix
 138         )
 139
 140     def remove_vpp_config(self):
 141         self._test.vapi.memif_delete(self.sw_if_index)
 142         self.sw_if_index = None
 143
 144     def query_vpp_config(self):
 145         if not self.sw_if_index:
 146             return None
 147         dump = self._test.vapi.memif_dump()
 148         return get_if_dump(dump, self.sw_if_index)
 149
 150     def object_id(self):
 151         if self.sw_if_index:
 152             return "%d:%d:%d" % (self.role, self.if_id, self.sw_if_index)
 153         else:
 154             return "%d:%d:None" % (self.role, self.if_id)