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[J-linux.git] / tools / testing / selftests / tc-testing / tdc_batch.py
1 #!/usr/bin/env python3
2
3 """
4 tdc_batch.py - a script to generate TC batch file
5
6 Copyright (C) 2017 Chris Mi <[email protected]>
7 """
8
9 import argparse
10
11 parser = argparse.ArgumentParser(description='TC batch file generator')
12 parser.add_argument("device", help="device name")
13 parser.add_argument("file", help="batch file name")
14 parser.add_argument("-n", "--number", type=int,
15                     help="how many lines in batch file")
16 parser.add_argument(
17     "-a",
18     "--handle_start",
19     type=int,
20     default=1,
21     help="start handle range from (default: 1)")
22 parser.add_argument("-o", "--skip_sw",
23                     help="skip_sw (offload), by default skip_hw",
24                     action="store_true")
25 parser.add_argument("-s", "--share_action",
26                     help="all filters share the same action",
27                     action="store_true")
28 parser.add_argument("-p", "--prio",
29                     help="all filters have different prio",
30                     action="store_true")
31 parser.add_argument(
32     "-e",
33     "--operation",
34     choices=['add', 'del', 'replace'],
35     default='add',
36     help="operation to perform on filters"
37     "(default: add filter)")
38 parser.add_argument(
39     "-m",
40     "--mac_prefix",
41     type=int,
42     default=0,
43     choices=range(0, 256),
44     help="third byte of source MAC address of flower filter"
45     "(default: 0)")
46 args = parser.parse_args()
47
48 device = args.device
49 file = open(args.file, 'w')
50
51 number = 1
52 if args.number:
53     number = args.number
54
55 handle_start = args.handle_start
56
57 skip = "skip_hw"
58 if args.skip_sw:
59     skip = "skip_sw"
60
61 share_action = ""
62 if args.share_action:
63     share_action = "index 1"
64
65 prio = "prio 1"
66 if args.prio:
67     prio = ""
68     if number > 0x4000:
69         number = 0x4000
70
71 mac_prefix = args.mac_prefix
72
73 def format_add_filter(device, prio, handle, skip, src_mac, dst_mac,
74                       share_action):
75     return ("filter add dev {} {} protocol ip ingress handle {} "
76             " flower {} src_mac {} dst_mac {} action drop {}".format(
77                 device, prio, handle, skip, src_mac, dst_mac, share_action))
78
79
80 def format_rep_filter(device, prio, handle, skip, src_mac, dst_mac,
81                       share_action):
82     return ("filter replace dev {} {} protocol ip ingress handle {} "
83             " flower {} src_mac {} dst_mac {} action drop {}".format(
84                 device, prio, handle, skip, src_mac, dst_mac, share_action))
85
86
87 def format_del_filter(device, prio, handle, skip, src_mac, dst_mac,
88                       share_action):
89     return ("filter del dev {} {} protocol ip ingress handle {} "
90             "flower".format(device, prio, handle))
91
92
93 formatter = format_add_filter
94 if args.operation == "del":
95     formatter = format_del_filter
96 elif args.operation == "replace":
97     formatter = format_rep_filter
98
99 index = 0
100 for i in range(0x100):
101     for j in range(0x100):
102         for k in range(0x100):
103             mac = ("{:02x}:{:02x}:{:02x}".format(i, j, k))
104             src_mac = "e4:11:{:02x}:{}".format(mac_prefix, mac)
105             dst_mac = "e4:12:00:" + mac
106             cmd = formatter(device, prio, handle_start + index, skip, src_mac,
107                             dst_mac, share_action)
108             file.write("{}\n".format(cmd))
109             index += 1
110             if index >= number:
111                 file.close()
112                 exit(0)
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