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Commit | Line | Data |
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6fd980ac | 1 | #!/bin/bash |
b2441318 | 2 | # SPDX-License-Identifier: GPL-2.0 |
6fd980ac JF |
3 | # |
4 | # Benchmark script: | |
5 | # - developed for benchmarking egress qdisc path, derived (more | |
6 | # like cut'n'pasted) from ingress benchmark script. | |
7 | # | |
8 | # Script for injecting packets into egress qdisc path of the stack | |
9 | # with pktgen "xmit_mode queue_xmit". | |
10 | # | |
11 | basedir=`dirname $0` | |
12 | source ${basedir}/functions.sh | |
13 | root_check_run_with_sudo "$@" | |
14 | ||
15 | # Parameter parsing via include | |
16 | source ${basedir}/parameters.sh | |
0f06a678 MKL |
17 | if [ -z "$DEST_IP" ]; then |
18 | [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1" | |
19 | fi | |
6fd980ac JF |
20 | [ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff" |
21 | ||
22 | # Burst greater than 1 are invalid for queue_xmit mode | |
23 | if [[ -n "$BURST" ]]; then | |
24 | err 1 "Bursting not supported for this mode" | |
25 | fi | |
69137ea6 | 26 | [ -z "$COUNT" ] && COUNT="10000000" # Zero means indefinitely |
40f843ee DL |
27 | if [ -n "$DEST_IP" ]; then |
28 | validate_addr${IP6} $DEST_IP | |
29 | read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP) | |
30 | fi | |
6e32a74a | 31 | if [ -n "$DST_PORT" ]; then |
723d2904 DL |
32 | read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT) |
33 | validate_ports $UDP_DST_MIN $UDP_DST_MAX | |
6e32a74a | 34 | fi |
6fd980ac | 35 | |
6fd980ac JF |
36 | # General cleanup everything since last run |
37 | pg_ctrl "reset" | |
38 | ||
39 | # Threads are specified with parameter -t value in $THREADS | |
e0e16672 | 40 | for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do |
6fd980ac JF |
41 | # The device name is extended with @name, using thread number to |
42 | # make then unique, but any name will do. | |
43 | dev=${DEV}@${thread} | |
44 | ||
45 | # Add remove all other devices and add_device $dev to thread | |
46 | pg_thread $thread "rem_device_all" | |
47 | pg_thread $thread "add_device" $dev | |
48 | ||
49 | # Base config of dev | |
50 | pg_set $dev "flag QUEUE_MAP_CPU" | |
51 | pg_set $dev "count $COUNT" | |
52 | pg_set $dev "pkt_size $PKT_SIZE" | |
53 | pg_set $dev "delay $DELAY" | |
54 | pg_set $dev "flag NO_TIMESTAMP" | |
55 | ||
56 | # Destination | |
57 | pg_set $dev "dst_mac $DST_MAC" | |
40f843ee DL |
58 | pg_set $dev "dst${IP6}_min $DST_MIN" |
59 | pg_set $dev "dst${IP6}_max $DST_MAX" | |
6fd980ac | 60 | |
6e32a74a DL |
61 | if [ -n "$DST_PORT" ]; then |
62 | # Single destination port or random port range | |
63 | pg_set $dev "flag UDPDST_RND" | |
723d2904 DL |
64 | pg_set $dev "udp_dst_min $UDP_DST_MIN" |
65 | pg_set $dev "udp_dst_max $UDP_DST_MAX" | |
6e32a74a DL |
66 | fi |
67 | ||
6fd980ac JF |
68 | # Inject packet into TX qdisc egress path of stack |
69 | pg_set $dev "xmit_mode queue_xmit" | |
70 | done | |
71 | ||
6c882bdc JK |
72 | # Run if user hits control-c |
73 | function print_result { | |
74 | # Print results | |
75 | for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do | |
76 | dev=${DEV}@${thread} | |
77 | echo "Device: $dev" | |
78 | cat /proc/net/pktgen/$dev | grep -A2 "Result:" | |
79 | done | |
80 | } | |
81 | # trap keyboard interrupt (Ctrl-C) | |
82 | trap true SIGINT | |
83 | ||
6fd980ac JF |
84 | # start_run |
85 | echo "Running... ctrl^C to stop" >&2 | |
86 | pg_ctrl "start" | |
87 | echo "Done" >&2 | |
88 | ||
6c882bdc | 89 | print_result |