pmdinfogen: fix warning with python 3.14

index 63e0a8b364a8..4401106f0bf5 100755
@@ -4,9 +4,9 @@
 # Copyright (c) 2020 Dmitry Kozlyuk <[email protected]>
 
 import argparse
-import ctypes
 import json
 import re
+import struct
 import sys
 import tempfile
 

@@ -110,24 +110,6 @@ def find_by_name(self, name):
         return None
 
 
-def define_rte_pci_id(is_big_endian):
-    base_type = ctypes.LittleEndianStructure
-    if is_big_endian:
-        base_type = ctypes.BigEndianStructure
-
-    class rte_pci_id(base_type):
-        _pack_ = True
-        _fields_ = [
-            ("class_id", ctypes.c_uint32),
-            ("vendor_id", ctypes.c_uint16),
-            ("device_id", ctypes.c_uint16),
-            ("subsystem_vendor_id", ctypes.c_uint16),
-            ("subsystem_device_id", ctypes.c_uint16),
-        ]
-
-    return rte_pci_id
-
-
 class Driver:
     OPTIONS = [
         ("params", "_param_string_export"),

@@ -166,26 +148,24 @@ def _load_pci_ids(image, table_name_symbol):
         if not table_symbol:
             raise Exception("PCI table declared but not defined: %d" % table_name)
 
-        rte_pci_id = define_rte_pci_id(image.is_big_endian)
+        if image.is_big_endian:
+            fmt = ">"
+        else:
+            fmt = "<"
+        fmt += "LHHHH"
 
         result = []
         while True:
-            size = ctypes.sizeof(rte_pci_id)
+            size = struct.calcsize(fmt)
             offset = size * len(result)
             data = table_symbol.get_value(offset, size)
             if not data:
                 break
-            pci_id = rte_pci_id.from_buffer_copy(data)
-            if not pci_id.device_id:
+            _, vendor, device, ss_vendor, ss_device = struct.unpack_from(fmt, data)
+            if not device:
                 break
-            result.append(
-                [
-                    pci_id.vendor_id,
-                    pci_id.device_id,
-                    pci_id.subsystem_vendor_id,
-                    pci_id.subsystem_device_id,
-                ]
-            )
+            result.append((vendor, device, ss_vendor, ss_device))
+
         return result
 
     def dump(self, file):