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Commit | Line | Data |
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d25692e4 | 1 | #!/bin/bash |
b2441318 | 2 | # SPDX-License-Identifier: GPL-2.0 |
d25692e4 JDB |
3 | # |
4 | # Script will generate one flow per thread (-t N) | |
5 | # - Same destination IP | |
6 | # - Fake source IPs for each flow (fixed based on thread number) | |
7 | # | |
8 | # Useful for scale testing on receiver, to see whether silo'ing flows | |
9 | # works and scales. For optimal scalability (on receiver) each | |
10 | # separate-flow should not access shared variables/data. This script | |
11 | # helps magnify any of these scaling issues by overloading the receiver. | |
12 | # | |
13 | basedir=`dirname $0` | |
14 | source ${basedir}/functions.sh | |
15 | root_check_run_with_sudo "$@" | |
16 | ||
17 | # Parameter parsing via include | |
18 | source ${basedir}/parameters.sh | |
19 | # Set some default params, if they didn't get set | |
20 | [ -z "$DEST_IP" ] && DEST_IP="198.18.0.42" | |
21 | [ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff" | |
22 | [ -z "$CLONE_SKB" ] && CLONE_SKB="0" | |
23 | [ -z "$BURST" ] && BURST=32 | |
69137ea6 | 24 | [ -z "$COUNT" ] && COUNT="0" # Zero means indefinitely |
40f843ee DL |
25 | if [ -n "$DEST_IP" ]; then |
26 | validate_addr $DEST_IP | |
27 | read -r DST_MIN DST_MAX <<< $(parse_addr $DEST_IP) | |
28 | fi | |
6e32a74a | 29 | if [ -n "$DST_PORT" ]; then |
723d2904 DL |
30 | read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT) |
31 | validate_ports $UDP_DST_MIN $UDP_DST_MAX | |
6e32a74a | 32 | fi |
d25692e4 | 33 | |
d25692e4 | 34 | # General cleanup everything since last run |
c8fd4852 | 35 | [ -z "$APPEND" ] && pg_ctrl "reset" |
d25692e4 JDB |
36 | |
37 | # Threads are specified with parameter -t value in $THREADS | |
e0e16672 | 38 | for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do |
d25692e4 JDB |
39 | dev=${DEV}@${thread} |
40 | ||
41 | # Add remove all other devices and add_device $dev to thread | |
c8fd4852 | 42 | [ -z "$APPEND" ] && pg_thread $thread "rem_device_all" |
d25692e4 JDB |
43 | pg_thread $thread "add_device" $dev |
44 | ||
45 | # Base config | |
46 | pg_set $dev "flag QUEUE_MAP_CPU" | |
47 | pg_set $dev "count $COUNT" | |
48 | pg_set $dev "clone_skb $CLONE_SKB" | |
49 | pg_set $dev "pkt_size $PKT_SIZE" | |
50 | pg_set $dev "delay $DELAY" | |
51 | pg_set $dev "flag NO_TIMESTAMP" | |
52 | ||
53 | # Single destination | |
54 | pg_set $dev "dst_mac $DST_MAC" | |
40f843ee DL |
55 | pg_set $dev "dst_min $DST_MIN" |
56 | pg_set $dev "dst_max $DST_MAX" | |
d25692e4 | 57 | |
6e32a74a DL |
58 | if [ -n "$DST_PORT" ]; then |
59 | # Single destination port or random port range | |
60 | pg_set $dev "flag UDPDST_RND" | |
723d2904 DL |
61 | pg_set $dev "udp_dst_min $UDP_DST_MIN" |
62 | pg_set $dev "udp_dst_max $UDP_DST_MAX" | |
6e32a74a DL |
63 | fi |
64 | ||
d25692e4 JDB |
65 | # Setup source IP-addresses based on thread number |
66 | pg_set $dev "src_min 198.18.$((thread+1)).1" | |
67 | pg_set $dev "src_max 198.18.$((thread+1)).1" | |
68 | ||
69 | # Setup burst, for easy testing -b 0 disable bursting | |
70 | # (internally in pktgen default and minimum burst=1) | |
71 | if [[ ${BURST} -ne 0 ]]; then | |
72 | pg_set $dev "burst $BURST" | |
73 | else | |
74 | info "$dev: Not using burst" | |
75 | fi | |
76 | ||
77 | done | |
78 | ||
79 | # Run if user hits control-c | |
80 | function print_result() { | |
81 | # Print results | |
e0e16672 | 82 | for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do |
d25692e4 JDB |
83 | dev=${DEV}@${thread} |
84 | echo "Device: $dev" | |
85 | cat /proc/net/pktgen/$dev | grep -A2 "Result:" | |
86 | done | |
87 | } | |
88 | # trap keyboard interrupt (Ctrl-C) | |
89 | trap true SIGINT | |
90 | ||
c8fd4852 IR |
91 | if [ -z "$APPEND" ]; then |
92 | echo "Running... ctrl^C to stop" >&2 | |
93 | pg_ctrl "start" | |
d25692e4 | 94 | |
c8fd4852 IR |
95 | print_result |
96 | else | |
97 | echo "Append mode: config done. Do more or use 'pg_ctrl start' to run" | |
98 | fi |