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15f2cbbd | 1 | #!/bin/bash |
b2441318 | 2 | # SPDX-License-Identifier: GPL-2.0 |
15f2cbbd JDB |
3 | # |
4 | # Script example for many flows testing | |
5 | # | |
6 | # Number of simultaneous flows limited by variable $FLOWS | |
7 | # and number of packets per flow controlled by variable $FLOWLEN | |
8 | # | |
9 | basedir=`dirname $0` | |
10 | source ${basedir}/functions.sh | |
11 | root_check_run_with_sudo "$@" | |
12 | ||
13 | # Parameter parsing via include | |
14 | source ${basedir}/parameters.sh | |
15 | # Set some default params, if they didn't get set | |
16 | [ -z "$DEST_IP" ] && DEST_IP="198.18.0.42" | |
17 | [ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff" | |
18 | [ -z "$CLONE_SKB" ] && CLONE_SKB="0" | |
69137ea6 | 19 | [ -z "$COUNT" ] && COUNT="0" # Zero means indefinitely |
6e32a74a DL |
20 | if [ -n "$DST_PORT" ]; then |
21 | read -r DST_MIN DST_MAX <<< $(parse_ports $DST_PORT) | |
22 | validate_ports $DST_MIN $DST_MAX | |
23 | fi | |
15f2cbbd JDB |
24 | |
25 | # NOTICE: Script specific settings | |
26 | # ======= | |
27 | # Limiting the number of concurrent flows ($FLOWS) | |
28 | # and also set how many packets each flow contains ($FLOWLEN) | |
29 | # | |
30 | [ -z "$FLOWS" ] && FLOWS="8000" | |
31 | [ -z "$FLOWLEN" ] && FLOWLEN="10" | |
32 | ||
33 | # Base Config | |
34 | DELAY="0" # Zero means max speed | |
15f2cbbd JDB |
35 | |
36 | if [[ -n "$BURST" ]]; then | |
37 | err 1 "Bursting not supported for this mode" | |
38 | fi | |
39 | ||
40 | # General cleanup everything since last run | |
41 | pg_ctrl "reset" | |
42 | ||
43 | # Threads are specified with parameter -t value in $THREADS | |
e0e16672 | 44 | for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do |
15f2cbbd JDB |
45 | dev=${DEV}@${thread} |
46 | ||
47 | # Add remove all other devices and add_device $dev to thread | |
48 | pg_thread $thread "rem_device_all" | |
49 | pg_thread $thread "add_device" $dev | |
50 | ||
51 | # Base config | |
52 | pg_set $dev "flag QUEUE_MAP_CPU" | |
53 | pg_set $dev "count $COUNT" | |
54 | pg_set $dev "clone_skb $CLONE_SKB" | |
55 | pg_set $dev "pkt_size $PKT_SIZE" | |
56 | pg_set $dev "delay $DELAY" | |
57 | pg_set $dev "flag NO_TIMESTAMP" | |
58 | ||
59 | # Single destination | |
60 | pg_set $dev "dst_mac $DST_MAC" | |
61 | pg_set $dev "dst $DEST_IP" | |
62 | ||
6e32a74a DL |
63 | if [ -n "$DST_PORT" ]; then |
64 | # Single destination port or random port range | |
65 | pg_set $dev "flag UDPDST_RND" | |
66 | pg_set $dev "udp_dst_min $DST_MIN" | |
67 | pg_set $dev "udp_dst_max $DST_MAX" | |
68 | fi | |
69 | ||
15f2cbbd JDB |
70 | # Randomize source IP-addresses |
71 | pg_set $dev "flag IPSRC_RND" | |
72 | pg_set $dev "src_min 198.18.0.0" | |
73 | pg_set $dev "src_max 198.19.255.255" | |
74 | ||
75 | # Limit number of flows (max 65535) | |
76 | pg_set $dev "flows $FLOWS" | |
77 | # | |
78 | # How many packets a flow will send, before flow "entry" is | |
79 | # re-generated/setup. | |
80 | pg_set $dev "flowlen $FLOWLEN" | |
81 | # | |
82 | # Flag FLOW_SEQ will cause $FLOWLEN packets from the same flow | |
83 | # being send back-to-back, before next flow is selected | |
84 | # incrementally. This helps lookup caches, and is more realistic. | |
85 | # | |
86 | pg_set $dev "flag FLOW_SEQ" | |
87 | ||
88 | done | |
89 | ||
90 | # Run if user hits control-c | |
91 | function print_result() { | |
92 | # Print results | |
e0e16672 | 93 | for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do |
15f2cbbd JDB |
94 | dev=${DEV}@${thread} |
95 | echo "Device: $dev" | |
96 | cat /proc/net/pktgen/$dev | grep -A2 "Result:" | |
97 | done | |
98 | } | |
99 | # trap keyboard interrupt (Ctrl-C) | |
100 | trap true SIGINT | |
101 | ||
102 | echo "Running... ctrl^C to stop" >&2 | |
103 | pg_ctrl "start" | |
104 | ||
105 | print_result |