1 files changed, 41 insertions, 1 deletions
diff --git a/resources/libraries/python/ContainerUtils.py b/resources/libraries/python/ContainerUtils.py
index 158eb4bc48..fc32248f6b 100644
--- a/resources/libraries/python/ContainerUtils.py
+++ b/resources/libraries/python/ContainerUtils.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 Cisco and/or its affiliates.
+# Copyright (c) 2024 Cisco and/or its affiliates.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at:
@@ -256,6 +256,11 @@ class ContainerManager:
                 self._configure_vpp_chain_ipsec(
                     mid1=mid1, mid2=mid2, sid1=sid1, sid2=sid2,
                     guest_dir=guest_dir, nf_instance=idx, **kwargs)
+            elif chain_topology == u"chain_dma":
+                self._configure_vpp_chain_dma(
+                    mid1=mid1, mid2=mid2, sid1=sid1, sid2=sid2,
+                    guest_dir=guest_dir, **kwargs
+                )
             else:
                 raise RuntimeError(
                     f"Container topology {chain_topology} not implemented"
@@ -278,6 +283,25 @@ class ContainerManager:
             f"{self.engine.container.name}-{kwargs[u'sid2']}"
         )
 
+    def _configure_vpp_chain_dma(self, **kwargs):
+        """Configure VPP in chain topology with l2xc (dma).
+
+        :param kwargs: Named parameters.
+        :type kwargs: dict
+        """
+        dma_wqs = kwargs[f"dma_wqs"]
+        self.engine.create_vpp_startup_config_dma(dma_wqs)
+
+        self.engine.create_vpp_exec_config(
+            u"memif_create_chain_dma.exec",
+            mid1=kwargs[u"mid1"], mid2=kwargs[u"mid2"],
+            sid1=kwargs[u"sid1"], sid2=kwargs[u"sid2"],
+            socket1=f"{kwargs[u'guest_dir']}/memif-"
+            f"{self.engine.container.name}-{kwargs[u'sid1']}",
+            socket2=f"{kwargs[u'guest_dir']}/memif-"
+            f"{self.engine.container.name}-{kwargs[u'sid2']}"
+        )
+
     def _configure_vpp_cross_horiz(self, **kwargs):
         """Configure VPP in cross horizontal topology (single memif).
 
@@ -768,6 +792,22 @@ class ContainerEngine:
             f'echo "{vpp_config.get_config_str()}" | tee /etc/vpp/startup.conf'
         )
 
+    def create_vpp_startup_config_dma(self, dma_devices):
+        """Create startup configuration of VPP DMA.
+
+        :param dma_devices: DMA devices list.
+        :type dma_devices: list
+        """
+        vpp_config = self.create_base_vpp_startup_config()
+        vpp_config.add_plugin(u"enable", u"dma_intel_plugin.so")
+        vpp_config.add_dma_dev(dma_devices)
+
+        # Apply configuration
+        self.execute(u"mkdir -p /etc/vpp/")
+        self.execute(
+            f'echo "{vpp_config.get_config_str()}" | tee /etc/vpp/startup.conf'
+        )
+
     def create_vpp_exec_config(self, template_file, **kwargs):
         """Create VPP exec configuration on container.