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6f094797 JDB |
1 | #!/bin/bash |
2 | # | |
3 | # Simple example: | |
4 | # * pktgen sending with single thread and single interface | |
5 | # * flow variation via random UDP source port | |
6 | # | |
7 | basedir=`dirname $0` | |
8 | source ${basedir}/functions.sh | |
9 | root_check_run_with_sudo "$@" | |
10 | ||
11 | # Parameter parsing via include | |
12 | # - go look in parameters.sh to see which setting are avail | |
13 | # - required param is the interface "-i" stored in $DEV | |
14 | source ${basedir}/parameters.sh | |
15 | # | |
16 | # Set some default params, if they didn't get set | |
0f06a678 MKL |
17 | if [ -z "$DEST_IP" ]; then |
18 | [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1" | |
19 | fi | |
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20 | [ -z "$CLONE_SKB" ] && CLONE_SKB="0" |
21 | # Example enforce param "-m" for dst_mac | |
22 | [ -z "$DST_MAC" ] && usage && err 2 "Must specify -m dst_mac" | |
69137ea6 | 23 | [ -z "$COUNT" ] && COUNT="100000" # Zero means indefinitely |
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24 | |
25 | # Base Config | |
26 | DELAY="0" # Zero means max speed | |
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27 | |
28 | # Flow variation random source port between min and max | |
29 | UDP_MIN=9 | |
30 | UDP_MAX=109 | |
31 | ||
32 | # General cleanup everything since last run | |
33 | # (especially important if other threads were configured by other scripts) | |
34 | pg_ctrl "reset" | |
35 | ||
36 | # Add remove all other devices and add_device $DEV to thread 0 | |
37 | thread=0 | |
38 | pg_thread $thread "rem_device_all" | |
39 | pg_thread $thread "add_device" $DEV | |
40 | ||
41 | # How many packets to send (zero means indefinitely) | |
42 | pg_set $DEV "count $COUNT" | |
43 | ||
44 | # Reduce alloc cost by sending same SKB many times | |
45 | # - this obviously affects the randomness within the packet | |
46 | pg_set $DEV "clone_skb $CLONE_SKB" | |
47 | ||
48 | # Set packet size | |
49 | pg_set $DEV "pkt_size $PKT_SIZE" | |
50 | ||
51 | # Delay between packets (zero means max speed) | |
52 | pg_set $DEV "delay $DELAY" | |
53 | ||
54 | # Flag example disabling timestamping | |
55 | pg_set $DEV "flag NO_TIMESTAMP" | |
56 | ||
57 | # Destination | |
58 | pg_set $DEV "dst_mac $DST_MAC" | |
0f06a678 | 59 | pg_set $DEV "dst$IP6 $DEST_IP" |
6f094797 JDB |
60 | |
61 | # Setup random UDP port src range | |
62 | pg_set $DEV "flag UDPSRC_RND" | |
63 | pg_set $DEV "udp_src_min $UDP_MIN" | |
64 | pg_set $DEV "udp_src_max $UDP_MAX" | |
65 | ||
66 | # start_run | |
67 | echo "Running... ctrl^C to stop" >&2 | |
68 | pg_ctrl "start" | |
69 | echo "Done" >&2 | |
70 | ||
71 | # Print results | |
72 | echo "Result device: $DEV" | |
73 | cat /proc/net/pktgen/$DEV |