--- dpdk-stable-23.11.1/usertools/dpdk-devbind.py	2024-05-17 14:46:11.000000000 +0800
+++ dpdk-stable-23.11.1-mr/usertools/dpdk-devbind.py	2024-07-12 15:50:28.665305357 +0800
@@ -8,6 +8,7 @@
 import subprocess
 import argparse
 import platform
+import json
 
 from glob import glob
 from os.path import exists, basename
@@ -103,6 +104,7 @@
 # command-line arg flags
 b_flag = None
 status_flag = False
+dump_flag = False
 force_flag = False
 args = []
 
@@ -585,6 +587,11 @@
         display_devices("%s devices using kernel driver" % device_name, kernel_drv,
                         if_text + "drv=%(Driver_str)s "
                         "unused=%(Module_str)s %(Active)s")
+        if dump_flag and dump_path == 'stdout':
+            print(kernel_drv)
+        if dump_flag and dump_path != 'stdout':
+            f = open(dump_path, "w")
+            f.write(json.dumps(kernel_drv, sort_keys=True,indent=4))
     if no_drv:
         display_devices("Other %s devices" % device_name, no_drv,
                         "unused=%(Module_str)s")
@@ -646,6 +653,8 @@
     global status_dev
     global force_flag
     global args
+    global dump_flag
+    global dump_path
 
     parser = argparse.ArgumentParser(
         description='Utility to bind and unbind devices from Linux kernel',
@@ -660,6 +669,9 @@
 To display current network device status:
         %(prog)s --status-dev net
 
+To dump current kernel network device status for json:
+        %(prog)s --status-dev net --dump ('stdout' | 'path')
+
 To bind eth1 from the current driver and move to use vfio-pci
         %(prog)s --bind=vfio-pci eth1
 
@@ -671,6 +683,10 @@
 """)
 
     parser.add_argument(
+        '-d',
+        '--dump',
+        help="Dump the status of kernel net group.")
+    parser.add_argument(
         '-s',
         '--status',
         action='store_true',
@@ -712,6 +728,9 @@
     if opt.status_dev:
         status_flag = True
         status_dev = opt.status_dev
+    if opt.dump:
+        dump_flag = True
+        dump_path = opt.dump
     if opt.status:
         status_flag = True
         status_dev = "all"