blob: 04b0dd0c36d6552de1cfc2b733820facedafd5c5 [file] [log] [blame]
# SPDX-License-Identifier: GPL-2.0
# Benchmark script:
# - developed for benchmarking egress qdisc path, derived (more
# like cut'n'pasted) from ingress benchmark script.
# Script for injecting packets into egress qdisc path of the stack
# with pktgen "xmit_mode queue_xmit".
basedir=`dirname $0`
source ${basedir}/
root_check_run_with_sudo "$@"
# Parameter parsing via include
source ${basedir}/
if [ -z "$DEST_IP" ]; then
[ -z "$IP6" ] && DEST_IP="" || DEST_IP="FD00::1"
[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
# Burst greater than 1 are invalid for queue_xmit mode
if [[ -n "$BURST" ]]; then
err 1 "Bursting not supported for this mode"
[ -z "$COUNT" ] && COUNT="10000000" # Zero means indefinitely
if [ -n "$DEST_IP" ]; then
validate_addr${IP6} $DEST_IP
read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
if [ -n "$DST_PORT" ]; then
read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
validate_ports $UDP_DST_MIN $UDP_DST_MAX
# General cleanup everything since last run
pg_ctrl "reset"
# Threads are specified with parameter -t value in $THREADS
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
# The device name is extended with @name, using thread number to
# make then unique, but any name will do.
# Add remove all other devices and add_device $dev to thread
pg_thread $thread "rem_device_all"
pg_thread $thread "add_device" $dev
# Base config of dev
pg_set $dev "flag QUEUE_MAP_CPU"
pg_set $dev "count $COUNT"
pg_set $dev "pkt_size $PKT_SIZE"
pg_set $dev "delay $DELAY"
pg_set $dev "flag NO_TIMESTAMP"
# Destination
pg_set $dev "dst_mac $DST_MAC"
pg_set $dev "dst${IP6}_min $DST_MIN"
pg_set $dev "dst${IP6}_max $DST_MAX"
if [ -n "$DST_PORT" ]; then
# Single destination port or random port range
pg_set $dev "flag UDPDST_RND"
pg_set $dev "udp_dst_min $UDP_DST_MIN"
pg_set $dev "udp_dst_max $UDP_DST_MAX"
# Inject packet into TX qdisc egress path of stack
pg_set $dev "xmit_mode queue_xmit"
# Run if user hits control-c
function print_result {
# Print results
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
echo "Device: $dev"
cat /proc/net/pktgen/$dev | grep -A2 "Result:"
# trap keyboard interrupt (Ctrl-C)
trap true SIGINT
# start_run
echo "Running... ctrl^C to stop" >&2
pg_ctrl "start"
echo "Done" >&2