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#! /usr/bin/python
# -*- python -*-
# -*- coding: utf-8 -*-
# Copyright (C) 2008 Red Hat Inc.
#
# This application is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2.
#
# This application is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
import getopt, ethtool, sys
def usage():
print '''Usage: ethtool [OPTIONS] [<interface>]
-h|--help Give this help list
-i|--driver Show driver information
-k|--show-offload Get protocol offload information
-K|--offload Set protocol offload
[ tso on|off ]'''
tab = ""
def printtab(msg):
print tab + msg
def show_offload(interface, args = None):
try:
sg = ethtool.get_sg(interface) and "on" or "off"
except IOError:
sg = "not supported"
try:
tso = ethtool.get_tso(interface) and "on" or "off"
except IOError:
tso = "not supported"
try:
ufo = ethtool.get_ufo(interface) and "on" or "off"
except IOError:
ufo = "not supported"
try:
gso = ethtool.get_gso(interface) and "on" or "off"
except IOError:
gso = "not supported"
printtab("scatter-gather: %s" % sg)
printtab("tcp segmentation offload: %s" % tso)
printtab("udp fragmentation offload: %s" % ufo)
printtab("generic segmentation offload: %s" % gso)
def set_offload(interface, args):
cmd, value = [a.lower() for a in args]
if cmd == "tso":
value = value == "on" and 1 or 0
try:
ethtool.set_tso(interface, value)
except:
pass
def show_driver(interface, args = None):
try:
driver = ethtool.get_module(interface)
except IOError:
driver = "not implemented"
try:
bus = ethtool.get_businfo(interface)
except IOError:
bus = "not available"
printtab("driver: %s" % driver)
printtab("bus-info: %s" % bus)
def run_cmd(cmd, interface, args):
global tab
active_devices = ethtool.get_active_devices()
if not interface:
tab = " "
for interface in ethtool.get_devices():
inactive = " (not active)"
if interface in active_devices:
inactive = ""
print "%s%s:" % (interface, inactive)
cmd(interface, args)
else:
cmd(interface, args)
def run_cmd_noargs(cmd, args):
if args:
run_cmd(cmd, args[0], None)
else:
run_cmd(cmd, None, None)
def main():
try:
opts, args = getopt.getopt(sys.argv[1:],
"hikK",
("help",
"driver",
"show-offload",
"offload"))
except getopt.GetoptError, err:
usage()
print str(err)
sys.exit(2)
if not opts:
usage()
sys.exit(0)
for o, a in opts:
if o in ("-h", "--help"):
usage()
return
elif o in ("-i", "--driver"):
run_cmd_noargs(show_driver, args)
break
elif o in ("-k", "--show-offload"):
run_cmd_noargs(show_offload, args)
break
elif o in ("-K", "--offload"):
if len(args) == 2:
interface = None
elif len(args) == 3:
interface = args[0]
args = args[1:]
else:
usage()
sys.exit(1)
run_cmd(set_offload, interface, args)
break
if __name__ == '__main__':
main()
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