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Diffstat (limited to 'scripts/kernel/pktgen/pktgen_sample01_simple.sh')
| -rwxr-xr-x | scripts/kernel/pktgen/pktgen_sample01_simple.sh | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/scripts/kernel/pktgen/pktgen_sample01_simple.sh b/scripts/kernel/pktgen/pktgen_sample01_simple.sh new file mode 100755 index 0000000..a4e250b --- /dev/null +++ b/scripts/kernel/pktgen/pktgen_sample01_simple.sh @@ -0,0 +1,90 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Simple example: +# * pktgen sending with single thread and single interface +# * flow variation via random UDP source port +# +basedir=`dirname $0` +source ${basedir}/functions.sh +root_check_run_with_sudo "$@" + +# Parameter parsing via include +# - go look in parameters.sh to see which setting are avail +# - required param is the interface "-i" stored in $DEV +source ${basedir}/parameters.sh +# +# Set some default params, if they didn't get set +if [ -z "$DEST_IP" ]; then + [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1" +fi +[ -z "$CLONE_SKB" ] && CLONE_SKB="0" +# Example enforce param "-m" for dst_mac +[ -z "$DST_MAC" ] && usage && err 2 "Must specify -m dst_mac" +[ -z "$COUNT" ] && COUNT="100000" # Zero means indefinitely +if [ -n "$DEST_IP" ]; then + validate_addr${IP6} $DEST_IP + read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP) +fi +if [ -n "$DST_PORT" ]; then + read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT) + validate_ports $UDP_DST_MIN $UDP_DST_MAX +fi + +# Base Config +DELAY="0" # Zero means max speed + +# Flow variation random source port between min and max +UDP_SRC_MIN=9 +UDP_SRC_MAX=109 + +# General cleanup everything since last run +# (especially important if other threads were configured by other scripts) +pg_ctrl "reset" + +# Add remove all other devices and add_device $DEV to thread 0 +thread=0 +pg_thread $thread "rem_device_all" +pg_thread $thread "add_device" $DEV + +# How many packets to send (zero means indefinitely) +pg_set $DEV "count $COUNT" + +# Reduce alloc cost by sending same SKB many times +# - this obviously affects the randomness within the packet +pg_set $DEV "clone_skb $CLONE_SKB" + +# Set packet size +pg_set $DEV "pkt_size $PKT_SIZE" + +# Delay between packets (zero means max speed) +pg_set $DEV "delay $DELAY" + +# Flag example disabling timestamping +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" +fi + +# Setup random UDP port src range +pg_set $DEV "flag UDPSRC_RND" +pg_set $DEV "udp_src_min $UDP_SRC_MIN" +pg_set $DEV "udp_src_max $UDP_SRC_MAX" + +# start_run +echo "Running... ctrl^C to stop" >&2 +pg_ctrl "start" +echo "Done" >&2 + +# Print results +echo "Result device: $DEV" +cat /proc/net/pktgen/$DEV |