From f2a28b05264fa9557192b73a1b888756748930ac Mon Sep 17 00:00:00 2001

From: John Kacur <jkacur@redhat.com>

Date: Tue, 27 Sep 2022 12:59:54 -0400

Subject: [PATCH 4/6] tuna: Replace python_ethtool with builtin funtionality

This patch replaces the dependency on python_ethtool with some

simplified functions to achieve the same result.

Reviewed-by: Federico Pellegrin <fede@evolware.org>

- return 'tun' only if tun_flags exists

Signed-off-by: John Kacur <jkacur@redhat.com>

diff --git a/tuna-cmd.py b/tuna-cmd.py

index 9a3d3f32398b..b13b25b8a801 100755

--- a/tuna-cmd.py

+++ b/tuna-cmd.py

@@ -26,7 +26,7 @@ import fnmatch

 import gettext

 import locale

 from functools import reduce

-import ethtool

+import tuna.new_eth as ethtool

 import tuna.tuna_sched as tuna_sched

 import procfs

 from tuna import tuna, sysfs

diff --git a/tuna/gui/irqview.py b/tuna/gui/irqview.py

index 35fc3fd0b0ca..5143d6dc0df5 100755

--- a/tuna/gui/irqview.py

+++ b/tuna/gui/irqview.py

@@ -7,7 +7,7 @@ from gi.repository import Gtk

 from gi.repository import GObject

 import os

 from functools import reduce

-import ethtool

+import tuna.new_eth as ethtool

 import tuna.tuna_sched as tuna_sched

 import gi

diff --git a/tuna/new_eth.py b/tuna/new_eth.py

new file mode 100755

index 000000000000..98f9179d5695

--- /dev/null

+++ b/tuna/new_eth.py

@@ -0,0 +1,37 @@

+# Copyright (C) 2022 John Kacur

+""" A few functions similar to ethtool """

+import os

+import socket

+

+def get_active_devices():

+    """ return a list of network devices """

+    ret = []

+

+    for device in socket.if_nameindex():

+        ret.append(device[1])

+

+    return ret

+

+def get_module(intf):

+    """ return the kernel module for the given network interface """

+    if intf == 'lo':

+        return ""

+    myp = f'/sys/class/net/{intf}/device/driver'

+    if os.path.exists(myp):

+        return os.path.basename(os.readlink(myp))

+    if os.path.exists(f'/sys/class/net/{intf}/bridge'):

+        return 'bridge'

+    if os.path.exists(f'/sys/class/net/{intf}/tun_flags'):

+        return 'tun'

+    return ""

+

+if __name__ == "__main__":

+    nics = get_active_devices()

+    print(f'nics = {nics}')

+

+    for intf in nics:

+        driver = get_module(intf)

+        if driver:

+            print(f'{intf}, {driver}')

+        else:

+            print(f'{intf}')

diff --git a/tuna/tuna.py b/tuna/tuna.py

index 30a5a570c9d4..43adb84079e4 100755

--- a/tuna/tuna.py

+++ b/tuna/tuna.py

@@ -9,7 +9,7 @@ import sys

 import shlex

 import fnmatch

 import platform

-import ethtool

+import tuna.new_eth as ethtool

 import procfs

 from procfs import utilist

 from tuna import help

-- 

2.31.1