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Diffstat (limited to 'scripts/pktgen_sample04_many_flows.sh')
| -rwxr-xr-x | scripts/pktgen_sample04_many_flows.sh | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/scripts/pktgen_sample04_many_flows.sh b/scripts/pktgen_sample04_many_flows.sh new file mode 100755 index 0000000..2cd6b70 --- /dev/null +++ b/scripts/pktgen_sample04_many_flows.sh @@ -0,0 +1,113 @@ +#!/bin/bash +# 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 ${basedir}/functions.sh +root_check_run_with_sudo "$@" + +# Parameter parsing via include +source ${basedir}/parameters.sh +# Set some default params, if they didn't get set +[ -z "$DEST_IP" ] && DEST_IP="198.18.0.42" +[ -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 $DEST_IP) +fi +if [ -n "$DST_PORT" ]; then + read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT) + validate_ports $UDP_DST_MIN $UDP_DST_MAX +fi + +# NOTICE: Script specific settings +# ======= +# Limiting the number of concurrent flows ($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" +fi + +# 198.18.0.0 / 198.19.255.255 +read -r SRC_MIN SRC_MAX <<< $(parse_addr 198.18.0.0/15) + +# General cleanup everything since last run +pg_ctrl "reset" + +# Threads are specified with parameter -t value in $THREADS +for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do + dev=${DEV}@${thread} + + # 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" + fi + + # 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" + +done + +# Run if user hits control-c +function print_result() { + # Print results + for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do + dev=${DEV}@${thread} + echo "Device: $dev" + cat /proc/net/pktgen/$dev | grep -A2 "Result:" + done +} +# trap keyboard interrupt (Ctrl-C) +trap true SIGINT + +echo "Running... ctrl^C to stop" >&2 +pg_ctrl "start" + +print_result |