memif: Memif Test Case

Change-Id: Ic0d5fc6ccbd496afcc870b908ef799af7c804c30
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>

1 files changed, 140 insertions, 0 deletions

diff --git a/test/vpp_memif.py b/test/vpp_memif.py
new file mode 100644
index 00000000000..2095480a7c2
--- /dev/null
+++ b/test/vpp_memif.py
@@ -0,0 +1,140 @@
+import socket
+
+from vpp_object import VppObject
+
+
+class MEMIF_ROLE:
+    MASTER = 0
+    SLAVE = 1
+
+
+class MEMIF_MODE:
+    ETHERNET = 0
+    IP = 1
+    PUNT_INJECT = 2
+
+
+def get_if_dump(dump, sw_if_index):
+    for d in dump:
+        if (d.sw_if_index == sw_if_index):
+            return d
+
+
+def query_all_memif_vpp_config(_test):
+    return _test.vapi.memif_dump()
+
+
+def remove_all_memif_vpp_config(_test):
+    dump = _test.vapi.memif_dump()
+    for d in dump:
+        _test.vapi.memif_delete(d.sw_if_index)
+    dump = _test.vapi.memif_socket_filename_dump()
+    for d in dump:
+        if d.socket_id != 0:
+            _test.vapi.memif_socket_filename_add_del(
+                0, d.socket_id, d.socket_filename)
+
+
+class VppSocketFilename(VppObject):
+    def __init__(self, test, socket_id, socket_filename,
+                 add_default_folder=False):
+        self._test = test
+        self.socket_id = socket_id
+        self.socket_filename = socket_filename
+
+        # if True insert default socket folder before socket filename,
+        # after adding vpp config
+        self.add_default_folder = add_default_folder
+
+    def add_vpp_config(self):
+        rv = self._test.vapi.memif_socket_filename_add_del(
+            1, self.socket_id, self.socket_filename)
+        if self.add_default_folder:
+            self.socket_filename = "/run/vpp/" + self.socket_filename
+        return rv
+
+    def remove_vpp_config(self):
+        return self._test.vapi.memif_socket_filename_add_del(
+            0, self.socket_id, self.socket_filename)
+
+    def query_vpp_config(self):
+        return self._test.vapi.memif_socket_filename_dump()
+
+    def __str__(self):
+        return self.object_id()
+
+    def object_id(self):
+        return "%d" % (self.socket_id)
+
+
+class VppMemif(VppObject):
+    def __init__(self, test, role, mode, rx_queues=0, tx_queues=0, if_id=0,
+                 socket_id=0, secret="", ring_size=0, buffer_size=0,
+                 hw_addr=""):
+        self._test = test
+        self.role = role
+        self.mode = mode
+        self.rx_queues = rx_queues
+        self.tx_queues = tx_queues
+        self.if_id = if_id
+        self.socket_id = socket_id
+        self.secret = secret
+        self.ring_size = ring_size
+        self.buffer_size = buffer_size
+        self.hw_addr = hw_addr
+        self.sw_if_index = None
+        self.ip4_addr = "192.168.%d.%d" % (self.if_id + 1, self.role + 1)
+        self.ip4_addr_len = 24
+
+    def add_vpp_config(self):
+        rv = self._test.vapi.memif_create(self.role, self.mode, self.rx_queues,
+                                          self.tx_queues, self.if_id,
+                                          self.socket_id, self.secret,
+                                          self.ring_size, self.buffer_size,
+                                          self.hw_addr)
+        self.sw_if_index = rv.sw_if_index
+        return self.sw_if_index
+
+    def admin_up(self):
+        if self.sw_if_index:
+            return self._test.vapi.sw_interface_set_flags(self.sw_if_index, 1)
+
+    def admin_down(self):
+        if self.sw_if_index:
+            return self._test.vapi.sw_interface_set_flags(self.sw_if_index, 0)
+
+    def wait_for_link_up(self, timeout, step=1):
+        if not self.sw_if_index:
+            return False
+        while True:
+            dump = self.query_vpp_config()
+            if dump.link_up_down == 1:
+                return True
+            self._test.sleep(step)
+            timeout -= step
+            if timeout <= 0:
+                return False
+
+    def config_ip4(self):
+        return self._test.vapi.sw_interface_add_del_address(
+            self.sw_if_index, socket.inet_pton(
+                socket.AF_INET, self.ip4_addr), self.ip4_addr_len)
+
+    def remove_vpp_config(self):
+        self._test.vapi.memif_delete(self.sw_if_index)
+        self.sw_if_index = None
+
+    def query_vpp_config(self):
+        if not self.sw_if_index:
+            return None
+        dump = self._test.vapi.memif_dump()
+        return get_if_dump(dump, self.sw_if_index)
+
+    def __str__(self):
+        return self.object_id()
+
+    def object_id(self):
+        if self.sw_if_index:
+            return "%d:%d:%d" % (self.role, self.if_id, self.sw_if_index)
+        else:
+            return "%d:%d:None" % (self.role, self.if_id)