selftests: Introduce a new script to generate tc batch file

# ./tdc_batch.py -h
  usage: tdc_batch.py [-h] [-n NUMBER] [-o] [-s] [-p] device file

  TC batch file generator

  positional arguments:
    device                device name
    file                  batch file name

  optional arguments:
    -h, --help            show this help message and exit
    -n NUMBER, --number NUMBER
                          how many lines in batch file
    -o, --skip_sw         skip_sw (offload), by default skip_hw
    -s, --share_action    all filters share the same action
    -p, --prio            all filters have different prio

Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Lucas Bates <lucasb@mojatatu.com>
Signed-off-by: Chris Mi <chrism@mellanox.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chris Mi 2017-10-26 18:24:42 -07:00 committed by David S. Miller
parent 46e235c15c
commit 7f07199847
1 changed files with 62 additions and 0 deletions

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#!/usr/bin/python3
"""
tdc_batch.py - a script to generate TC batch file
Copyright (C) 2017 Chris Mi <chrism@mellanox.com>
"""
import argparse
parser = argparse.ArgumentParser(description='TC batch file generator')
parser.add_argument("device", help="device name")
parser.add_argument("file", help="batch file name")
parser.add_argument("-n", "--number", type=int,
help="how many lines in batch file")
parser.add_argument("-o", "--skip_sw",
help="skip_sw (offload), by default skip_hw",
action="store_true")
parser.add_argument("-s", "--share_action",
help="all filters share the same action",
action="store_true")
parser.add_argument("-p", "--prio",
help="all filters have different prio",
action="store_true")
args = parser.parse_args()
device = args.device
file = open(args.file, 'w')
number = 1
if args.number:
number = args.number
skip = "skip_hw"
if args.skip_sw:
skip = "skip_sw"
share_action = ""
if args.share_action:
share_action = "index 1"
prio = "prio 1"
if args.prio:
prio = ""
if number > 0x4000:
number = 0x4000
index = 0
for i in range(0x100):
for j in range(0x100):
for k in range(0x100):
mac = ("%02x:%02x:%02x" % (i, j, k))
src_mac = "e4:11:00:" + mac
dst_mac = "e4:12:00:" + mac
cmd = ("filter add dev %s %s protocol ip parent ffff: flower %s "
"src_mac %s dst_mac %s action drop %s" %
(device, prio, skip, src_mac, dst_mac, share_action))
file.write("%s\n" % cmd)
index += 1
if index >= number:
file.close()
exit(0)