1*4882a593Smuzhiyun#!/bin/bash 2*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 3*4882a593Smuzhiyun# 4*4882a593Smuzhiyun# Script example for many flows testing 5*4882a593Smuzhiyun# 6*4882a593Smuzhiyun# Number of simultaneous flows limited by variable $FLOWS 7*4882a593Smuzhiyun# and number of packets per flow controlled by variable $FLOWLEN 8*4882a593Smuzhiyun# 9*4882a593Smuzhiyunbasedir=`dirname $0` 10*4882a593Smuzhiyunsource ${basedir}/functions.sh 11*4882a593Smuzhiyunroot_check_run_with_sudo "$@" 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun# Parameter parsing via include 14*4882a593Smuzhiyunsource ${basedir}/parameters.sh 15*4882a593Smuzhiyun# Set some default params, if they didn't get set 16*4882a593Smuzhiyunif [ -z "$DEST_IP" ]; then 17*4882a593Smuzhiyun [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1" 18*4882a593Smuzhiyunfi 19*4882a593Smuzhiyun[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff" 20*4882a593Smuzhiyun[ -z "$CLONE_SKB" ] && CLONE_SKB="0" 21*4882a593Smuzhiyun[ -z "$COUNT" ] && COUNT="0" # Zero means indefinitely 22*4882a593Smuzhiyunif [ -n "$DEST_IP" ]; then 23*4882a593Smuzhiyun validate_addr${IP6} $DEST_IP 24*4882a593Smuzhiyun read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP) 25*4882a593Smuzhiyunfi 26*4882a593Smuzhiyunif [ -n "$DST_PORT" ]; then 27*4882a593Smuzhiyun read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT) 28*4882a593Smuzhiyun validate_ports $UDP_DST_MIN $UDP_DST_MAX 29*4882a593Smuzhiyunfi 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun# NOTICE: Script specific settings 32*4882a593Smuzhiyun# ======= 33*4882a593Smuzhiyun# Limiting the number of concurrent flows ($FLOWS) 34*4882a593Smuzhiyun# and also set how many packets each flow contains ($FLOWLEN) 35*4882a593Smuzhiyun# 36*4882a593Smuzhiyun[ -z "$FLOWS" ] && FLOWS="8000" 37*4882a593Smuzhiyun[ -z "$FLOWLEN" ] && FLOWLEN="10" 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun# Base Config 40*4882a593SmuzhiyunDELAY="0" # Zero means max speed 41*4882a593Smuzhiyun 42*4882a593Smuzhiyunif [[ -n "$BURST" ]]; then 43*4882a593Smuzhiyun err 1 "Bursting not supported for this mode" 44*4882a593Smuzhiyunfi 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun# 198.18.0.0 / 198.19.255.255 47*4882a593Smuzhiyunread -r SRC_MIN SRC_MAX <<< $(parse_addr 198.18.0.0/15) 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun# General cleanup everything since last run 50*4882a593Smuzhiyunpg_ctrl "reset" 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun# Threads are specified with parameter -t value in $THREADS 53*4882a593Smuzhiyunfor ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do 54*4882a593Smuzhiyun dev=${DEV}@${thread} 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun # Add remove all other devices and add_device $dev to thread 57*4882a593Smuzhiyun pg_thread $thread "rem_device_all" 58*4882a593Smuzhiyun pg_thread $thread "add_device" $dev 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun # Base config 61*4882a593Smuzhiyun pg_set $dev "flag QUEUE_MAP_CPU" 62*4882a593Smuzhiyun pg_set $dev "count $COUNT" 63*4882a593Smuzhiyun pg_set $dev "clone_skb $CLONE_SKB" 64*4882a593Smuzhiyun pg_set $dev "pkt_size $PKT_SIZE" 65*4882a593Smuzhiyun pg_set $dev "delay $DELAY" 66*4882a593Smuzhiyun pg_set $dev "flag NO_TIMESTAMP" 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun # Single destination 69*4882a593Smuzhiyun pg_set $dev "dst_mac $DST_MAC" 70*4882a593Smuzhiyun pg_set $dev "dst${IP6}_min $DST_MIN" 71*4882a593Smuzhiyun pg_set $dev "dst${IP6}_max $DST_MAX" 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun if [ -n "$DST_PORT" ]; then 74*4882a593Smuzhiyun # Single destination port or random port range 75*4882a593Smuzhiyun pg_set $dev "flag UDPDST_RND" 76*4882a593Smuzhiyun pg_set $dev "udp_dst_min $UDP_DST_MIN" 77*4882a593Smuzhiyun pg_set $dev "udp_dst_max $UDP_DST_MAX" 78*4882a593Smuzhiyun fi 79*4882a593Smuzhiyun 80*4882a593Smuzhiyun # Randomize source IP-addresses 81*4882a593Smuzhiyun pg_set $dev "flag IPSRC_RND" 82*4882a593Smuzhiyun pg_set $dev "src_min $SRC_MIN" 83*4882a593Smuzhiyun pg_set $dev "src_max $SRC_MAX" 84*4882a593Smuzhiyun 85*4882a593Smuzhiyun # Limit number of flows (max 65535) 86*4882a593Smuzhiyun pg_set $dev "flows $FLOWS" 87*4882a593Smuzhiyun # 88*4882a593Smuzhiyun # How many packets a flow will send, before flow "entry" is 89*4882a593Smuzhiyun # re-generated/setup. 90*4882a593Smuzhiyun pg_set $dev "flowlen $FLOWLEN" 91*4882a593Smuzhiyun # 92*4882a593Smuzhiyun # Flag FLOW_SEQ will cause $FLOWLEN packets from the same flow 93*4882a593Smuzhiyun # being send back-to-back, before next flow is selected 94*4882a593Smuzhiyun # incrementally. This helps lookup caches, and is more realistic. 95*4882a593Smuzhiyun # 96*4882a593Smuzhiyun pg_set $dev "flag FLOW_SEQ" 97*4882a593Smuzhiyun 98*4882a593Smuzhiyundone 99*4882a593Smuzhiyun 100*4882a593Smuzhiyun# Run if user hits control-c 101*4882a593Smuzhiyunfunction print_result() { 102*4882a593Smuzhiyun # Print results 103*4882a593Smuzhiyun for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do 104*4882a593Smuzhiyun dev=${DEV}@${thread} 105*4882a593Smuzhiyun echo "Device: $dev" 106*4882a593Smuzhiyun cat /proc/net/pktgen/$dev | grep -A2 "Result:" 107*4882a593Smuzhiyun done 108*4882a593Smuzhiyun} 109*4882a593Smuzhiyun# trap keyboard interrupt (Ctrl-C) 110*4882a593Smuzhiyuntrap true SIGINT 111*4882a593Smuzhiyun 112*4882a593Smuzhiyunecho "Running... ctrl^C to stop" >&2 113*4882a593Smuzhiyunpg_ctrl "start" 114*4882a593Smuzhiyun 115*4882a593Smuzhiyunprint_result 116