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Subject[PATCH AUTOSEL 3.18 74/98] selftests: Introduce a new script to generate tc batch file
Date
From: Chris Mi <chrism@mellanox.com>

[ Upstream commit 7f071998474a9e5f7b98103d3058a1b8ca5887e6 ]

# ./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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
.../testing/selftests/tc-testing/tdc_batch.py | 62 +++++++++++++++++++
1 file changed, 62 insertions(+)
create mode 100755 tools/testing/selftests/tc-testing/tdc_batch.py

diff --git a/tools/testing/selftests/tc-testing/tdc_batch.py b/tools/testing/selftests/tc-testing/tdc_batch.py
new file mode 100755
index 000000000000..707c6bfef689
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/tdc_batch.py
@@ -0,0 +1,62 @@
+#!/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)
--
2.17.1
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