Add Dell Enterprise SONiC 'ip_neighbor_interfaces' module (#499)

* Add Dell Enterprise SONiC 'ip_neighbor_interfaces' module

* Add module redirect

* Resolve merge conflict

* Address documentation review comments

* Add validation for 'mac' when state is not deleted

Author: ArunSaravananBalachandran

meta/runtime.yml

@@ -58,6 +58,8 @@ plugin_routing:
       redirect: dellemc.enterprise_sonic.sonic_interfaces
     ip_neighbor:
       redirect: dellemc.enterprise_sonic.sonic_ip_neighbor
+    ip_neighbor_interfaces:
+      redirect: dellemc.enterprise_sonic.sonic_ip_neighbor_interfaces
     ipv6_router_advertisement:
       redirect: dellemc.enterprise_sonic.sonic_ipv6_router_advertisement
     l2_acls:

plugins/action/ip_neighbor_interfaces.py

@@ -0,0 +1 @@
+sonic.py

plugins/module_utils/network/sonic/argspec/facts/facts.py

@@ -57,6 +57,7 @@ def __init__(self, **kwargs):
         'logging',
         'pki',
         'ip_neighbor',
+        'ip_neighbor_interfaces',
         'ipv6_router_advertisement',
         'port_group',
         'dhcp_relay',

plugins/module_utils/network/sonic/argspec/ip_neighbor_interfaces/__init__.py

@@ -0,0 +1,51 @@
+#
+# -*- coding: utf-8 -*-
+# Copyright 2025 Dell Inc. or its subsidiaries. All Rights Reserved
+# GNU General Public License v3.0+
+# (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+"""
+The arg spec for the sonic_ip_neighbor_interfaces module
+"""
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+
+class Ip_neighbor_interfacesArgs(object):  # pylint: disable=R0903
+    """The arg spec for the sonic_ip_neighbor_interfaces module
+    """
+
+    def __init__(self, **kwargs):
+        pass
+
+    argument_spec = {
+        "config": {
+            "elements": "dict",
+            "options": {
+                "ipv4_neighbors": {
+                    "elements": "dict",
+                    "options": {
+                        "ip": {"required": True, "type": "str"},
+                        "mac": {"type": "str"}
+                    },
+                    "type": "list"
+                },
+                "ipv6_neighbors": {
+                    "elements": "dict",
+                    "options": {
+                        "ip": {"required": True, "type": "str"},
+                        "mac": {"type": "str"}
+                    },
+                    "type": "list"
+                },
+                "name": {"required": True, "type": "str"}
+            },
+            "type": "list"
+        },
+        "state": {
+            "choices": ["merged", "deleted", "replaced", "overridden"],
+            "default": "merged",
+            "type": "str"
+        }
+    }  # pylint: disable=C0301