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