John Fastabend | 6fd980a | 2016-07-02 14:13:13 -0700 | [diff] [blame] | 1 | #!/bin/bash |
Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 2 | # SPDX-License-Identifier: GPL-2.0 |
John Fastabend | 6fd980a | 2016-07-02 14:13:13 -0700 | [diff] [blame] | 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 ${basedir}/parameters.sh |
Martin KaFai Lau | 0f06a67 | 2016-07-20 15:48:43 -0700 | [diff] [blame] | 17 | if [ -z "$DEST_IP" ]; then |
| 18 | [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1" |
| 19 | fi |
John Fastabend | 6fd980a | 2016-07-02 14:13:13 -0700 | [diff] [blame] | 20 | [ -z "$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 "$BURST" ]]; then |
| 24 | err 1 "Bursting not supported for this mode" |
| 25 | fi |
Tariq Toukan | 69137ea | 2017-06-15 19:07:21 +0300 | [diff] [blame] | 26 | [ -z "$COUNT" ] && COUNT="10000000" # Zero means indefinitely |
Daniel T. Lee | 40f843e | 2019-10-05 17:25:09 +0900 | [diff] [blame] | 27 | if [ -n "$DEST_IP" ]; then |
| 28 | validate_addr${IP6} $DEST_IP |
| 29 | read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP) |
| 30 | fi |
Daniel T. Lee | 6e32a74 | 2019-06-29 22:33:58 +0900 | [diff] [blame] | 31 | if [ -n "$DST_PORT" ]; then |
Daniel T. Lee | 723d290 | 2019-10-05 17:25:06 +0900 | [diff] [blame] | 32 | read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT) |
| 33 | validate_ports $UDP_DST_MIN $UDP_DST_MAX |
Daniel T. Lee | 6e32a74 | 2019-06-29 22:33:58 +0900 | [diff] [blame] | 34 | fi |
John Fastabend | 6fd980a | 2016-07-02 14:13:13 -0700 | [diff] [blame] | 35 | |
| 36 | # Base Config |
| 37 | DELAY="0" # Zero means max speed |
John Fastabend | 6fd980a | 2016-07-02 14:13:13 -0700 | [diff] [blame] | 38 | |
| 39 | # General cleanup everything since last run |
| 40 | pg_ctrl "reset" |
| 41 | |
| 42 | # Threads are specified with parameter -t value in $THREADS |
Tariq Toukan | e0e1667 | 2017-06-15 19:07:22 +0300 | [diff] [blame] | 43 | for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do |
John Fastabend | 6fd980a | 2016-07-02 14:13:13 -0700 | [diff] [blame] | 44 | # The device name is extended with @name, using thread number to |
| 45 | # make then unique, but any name will do. |
| 46 | dev=${DEV}@${thread} |
| 47 | |
| 48 | # Add remove all other devices and add_device $dev to thread |
| 49 | pg_thread $thread "rem_device_all" |
| 50 | pg_thread $thread "add_device" $dev |
| 51 | |
| 52 | # Base config of dev |
| 53 | pg_set $dev "flag QUEUE_MAP_CPU" |
| 54 | pg_set $dev "count $COUNT" |
| 55 | pg_set $dev "pkt_size $PKT_SIZE" |
| 56 | pg_set $dev "delay $DELAY" |
| 57 | pg_set $dev "flag NO_TIMESTAMP" |
| 58 | |
| 59 | # Destination |
| 60 | pg_set $dev "dst_mac $DST_MAC" |
Daniel T. Lee | 40f843e | 2019-10-05 17:25:09 +0900 | [diff] [blame] | 61 | pg_set $dev "dst${IP6}_min $DST_MIN" |
| 62 | pg_set $dev "dst${IP6}_max $DST_MAX" |
John Fastabend | 6fd980a | 2016-07-02 14:13:13 -0700 | [diff] [blame] | 63 | |
Daniel T. Lee | 6e32a74 | 2019-06-29 22:33:58 +0900 | [diff] [blame] | 64 | if [ -n "$DST_PORT" ]; then |
| 65 | # Single destination port or random port range |
| 66 | pg_set $dev "flag UDPDST_RND" |
Daniel T. Lee | 723d290 | 2019-10-05 17:25:06 +0900 | [diff] [blame] | 67 | pg_set $dev "udp_dst_min $UDP_DST_MIN" |
| 68 | pg_set $dev "udp_dst_max $UDP_DST_MAX" |
Daniel T. Lee | 6e32a74 | 2019-06-29 22:33:58 +0900 | [diff] [blame] | 69 | fi |
| 70 | |
John Fastabend | 6fd980a | 2016-07-02 14:13:13 -0700 | [diff] [blame] | 71 | # Inject packet into TX qdisc egress path of stack |
| 72 | pg_set $dev "xmit_mode queue_xmit" |
| 73 | done |
| 74 | |
| 75 | # start_run |
| 76 | echo "Running... ctrl^C to stop" >&2 |
| 77 | pg_ctrl "start" |
| 78 | echo "Done" >&2 |
| 79 | |
| 80 | # Print results |
Tariq Toukan | e0e1667 | 2017-06-15 19:07:22 +0300 | [diff] [blame] | 81 | for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do |
John Fastabend | 6fd980a | 2016-07-02 14:13:13 -0700 | [diff] [blame] | 82 | dev=${DEV}@${thread} |
| 83 | echo "Device: $dev" |
| 84 | cat /proc/net/pktgen/$dev | grep -A2 "Result:" |
| 85 | done |