Commit | Line | Data |
---|---|---|
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 ${basedir}/parameters.sh | |
a27ac539 M |
17 | |
18 | # Trap EXIT first | |
19 | trap_exit | |
20 | ||
0f06a678 MKL |
21 | if [ -z "$DEST_IP" ]; then |
22 | [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1" | |
23 | fi | |
6fd980ac JF |
24 | [ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff" |
25 | ||
26 | # Burst greater than 1 are invalid for queue_xmit mode | |
27 | if [[ -n "$BURST" ]]; then | |
28 | err 1 "Bursting not supported for this mode" | |
29 | fi | |
69137ea6 | 30 | [ -z "$COUNT" ] && COUNT="10000000" # Zero means indefinitely |
40f843ee DL |
31 | if [ -n "$DEST_IP" ]; then |
32 | validate_addr${IP6} $DEST_IP | |
33 | read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP) | |
34 | fi | |
6e32a74a | 35 | if [ -n "$DST_PORT" ]; then |
723d2904 DL |
36 | read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT) |
37 | validate_ports $UDP_DST_MIN $UDP_DST_MAX | |
6e32a74a | 38 | fi |
6fd980ac | 39 | |
6fd980ac JF |
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 <= $L_THREAD; thread++)); do |
6fd980ac JF |
45 | # The device name is extended with @name, using thread number to |
46 | # make then unique, but any name will do. | |
47 | dev=${DEV}@${thread} | |
48 | ||
49 | # Add remove all other devices and add_device $dev to thread | |
50 | pg_thread $thread "rem_device_all" | |
51 | pg_thread $thread "add_device" $dev | |
52 | ||
53 | # Base config of dev | |
54 | pg_set $dev "flag QUEUE_MAP_CPU" | |
55 | pg_set $dev "count $COUNT" | |
56 | pg_set $dev "pkt_size $PKT_SIZE" | |
57 | pg_set $dev "delay $DELAY" | |
58 | pg_set $dev "flag NO_TIMESTAMP" | |
59 | ||
60 | # Destination | |
61 | pg_set $dev "dst_mac $DST_MAC" | |
40f843ee DL |
62 | pg_set $dev "dst${IP6}_min $DST_MIN" |
63 | pg_set $dev "dst${IP6}_max $DST_MAX" | |
6fd980ac | 64 | |
6e32a74a DL |
65 | if [ -n "$DST_PORT" ]; then |
66 | # Single destination port or random port range | |
67 | pg_set $dev "flag UDPDST_RND" | |
723d2904 DL |
68 | pg_set $dev "udp_dst_min $UDP_DST_MIN" |
69 | pg_set $dev "udp_dst_max $UDP_DST_MAX" | |
6e32a74a DL |
70 | fi |
71 | ||
6fd980ac JF |
72 | # Inject packet into TX qdisc egress path of stack |
73 | pg_set $dev "xmit_mode queue_xmit" | |
74 | done | |
75 | ||
6c882bdc JK |
76 | # Run if user hits control-c |
77 | function print_result { | |
78 | # Print results | |
79 | for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do | |
80 | dev=${DEV}@${thread} | |
81 | echo "Device: $dev" | |
82 | cat /proc/net/pktgen/$dev | grep -A2 "Result:" | |
83 | done | |
84 | } | |
85 | # trap keyboard interrupt (Ctrl-C) | |
86 | trap true SIGINT | |
87 | ||
6fd980ac JF |
88 | # start_run |
89 | echo "Running... ctrl^C to stop" >&2 | |
90 | pg_ctrl "start" | |
91 | echo "Done" >&2 | |
92 | ||
6c882bdc | 93 | print_result |