blob: 2cd6b701400de5cee39d9fe518c74f68846fcf71 [file] [log] [blame]
# SPDX-License-Identifier: GPL-2.0
# Script example for many flows testing
# Number of simultaneous flows limited by variable $FLOWS
# and number of packets per flow controlled by variable $FLOWLEN
basedir=`dirname $0`
source ${basedir}/
root_check_run_with_sudo "$@"
# Parameter parsing via include
source ${basedir}/
# Set some default params, if they didn't get set
[ -z "$DEST_IP" ] && DEST_IP=""
[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
[ -z "$CLONE_SKB" ] && CLONE_SKB="0"
[ -z "$COUNT" ] && COUNT="0" # Zero means indefinitely
if [ -n "$DEST_IP" ]; then
validate_addr $DEST_IP
read -r DST_MIN DST_MAX <<< $(parse_addr $DEST_IP)
if [ -n "$DST_PORT" ]; then
read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
validate_ports $UDP_DST_MIN $UDP_DST_MAX
# NOTICE: Script specific settings
# =======
# Limiting the number of concurrent flows ($FLOWS)
# and also set how many packets each flow contains ($FLOWLEN)
[ -z "$FLOWS" ] && FLOWS="8000"
[ -z "$FLOWLEN" ] && FLOWLEN="10"
# Base Config
DELAY="0" # Zero means max speed
if [[ -n "$BURST" ]]; then
err 1 "Bursting not supported for this mode"
# /
read -r SRC_MIN SRC_MAX <<< $(parse_addr
# 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
# 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
pg_set $dev "flag QUEUE_MAP_CPU"
pg_set $dev "count $COUNT"
pg_set $dev "clone_skb $CLONE_SKB"
pg_set $dev "pkt_size $PKT_SIZE"
pg_set $dev "delay $DELAY"
pg_set $dev "flag NO_TIMESTAMP"
# Single destination
pg_set $dev "dst_mac $DST_MAC"
pg_set $dev "dst_min $DST_MIN"
pg_set $dev "dst_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"
# Randomize source IP-addresses
pg_set $dev "flag IPSRC_RND"
pg_set $dev "src_min $SRC_MIN"
pg_set $dev "src_max $SRC_MAX"
# Limit number of flows (max 65535)
pg_set $dev "flows $FLOWS"
# How many packets a flow will send, before flow "entry" is
# re-generated/setup.
pg_set $dev "flowlen $FLOWLEN"
# Flag FLOW_SEQ will cause $FLOWLEN packets from the same flow
# being send back-to-back, before next flow is selected
# incrementally. This helps lookup caches, and is more realistic.
pg_set $dev "flag FLOW_SEQ"
# 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
echo "Running... ctrl^C to stop" >&2
pg_ctrl "start"