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Linux ubuntu-s-2vcpu-4gb-fra1-01 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64
Apache/2.4.29 (Ubuntu)
134.209.252.102

File Name : pktgen_sample01_simple.sh

#!/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

# Base Config
DELAY="0"        # Zero means max speed

# Flow variation random source port between min and max
UDP_MIN=9
UDP_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 $DEST_IP"

# Setup random UDP port src range
pg_set $DEV "flag UDPSRC_RND"
pg_set $DEV "udp_src_min $UDP_MIN"
pg_set $DEV "udp_src_max $UDP_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

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	0755	2022-11-17 06:05:13
..	dir	-	root/root	0755	2022-11-17 06:05:13
functions.sh	text/plain	4.06 KB	root/root	0644	2022-11-01 04:52:05
parameters.sh	text/plain	2.89 KB	root/root	0644	2018-01-28 09:20:33
pktgen_bench_xmit_mode_netif_receive.sh	text/x-shellscript	2.72 KB	root/root	0755	2018-01-28 09:20:33
pktgen_bench_xmit_mode_queue_xmit.sh	text/x-shellscript	1.92 KB	root/root	0755	2018-01-28 09:20:33
pktgen_sample01_simple.sh	text/x-shellscript	1.94 KB	root/root	0755	2018-01-28 09:20:33
pktgen_sample02_multiqueue.sh	text/x-shellscript	2.23 KB	root/root	0755	2018-01-28 09:20:33
pktgen_sample03_burst_single_flow.sh	text/x-shellscript	2.63 KB	root/root	0755	2018-01-28 09:20:33
pktgen_sample04_many_flows.sh	text/x-shellscript	2.55 KB	root/root	0755	2018-01-28 09:20:33
pktgen_sample05_flow_per_thread.sh	text/x-shellscript	2.31 KB	root/root	0755	2018-01-28 09:20:33
pktgen_sample06_numa_awared_queue_irq_affinity.sh	text/x-shellscript	3.05 KB	root/root	0755	2018-01-28 09:20:33

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