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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /samples/pktgen/pktgen_sample02_multiqueue.sh | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rwxr-xr-x | samples/pktgen/pktgen_sample02_multiqueue.sh | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/samples/pktgen/pktgen_sample02_multiqueue.sh b/samples/pktgen/pktgen_sample02_multiqueue.sh new file mode 100755 index 0000000000..93f33d7d0a --- /dev/null +++ b/samples/pktgen/pktgen_sample02_multiqueue.sh @@ -0,0 +1,110 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Multiqueue: Using pktgen threads for sending on multiple CPUs +# * adding devices to kernel threads +# * notice the naming scheme for keeping device names unique +# * nameing scheme: dev@thread_number +# * flow variation via random UDP source port +# +basedir=`dirname $0` +source ${basedir}/functions.sh +root_check_run_with_sudo "$@" +# +# Required param: -i dev in $DEV +source ${basedir}/parameters.sh + +# Trap EXIT first +trap_exit + +[ -z "$COUNT" ] && COUNT="100000" # Zero means indefinitely + +# Base Config +[ -z "$CLONE_SKB" ] && CLONE_SKB="0" + +# Flow variation random source port between min and max +UDP_SRC_MIN=9 +UDP_SRC_MAX=109 + +# (example of setting default params in your script) +if [ -z "$DEST_IP" ]; then + [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1" +fi +[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff" +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 $UDP_DST_MAX +fi + +# General cleanup everything since last run +[ -z "$APPEND" ] && pg_ctrl "reset" + +# Threads are specified with parameter -t value in $THREADS +for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do + # The device name is extended with @name, using thread number to + # make then unique, but any name will do. + dev=${DEV}@${thread} + + # Add remove all other devices and add_device $dev to thread + [ -z "$APPEND" ] && pg_thread $thread "rem_device_all" + pg_thread $thread "add_device" $dev + + # Notice config queue to map to cpu (mirrors smp_processor_id()) + # It is beneficial to map IRQ /proc/irq/*/smp_affinity 1:1 to CPU number + pg_set $dev "flag QUEUE_MAP_CPU" + + # Base config of dev + pg_set $dev "count $COUNT" + pg_set $dev "clone_skb $CLONE_SKB" + pg_set $dev "pkt_size $PKT_SIZE" + 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 $UDP_DST_MAX" + fi + + [ ! -z "$UDP_CSUM" ] && pg_set $dev "flag UDPCSUM" + + # 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" +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 + +if [ -z "$APPEND" ]; then + # start_run + echo "Running... ctrl^C to stop" >&2 + pg_ctrl "start" + echo "Done" >&2 + + print_result +else + echo "Append mode: config done. Do more or use 'pg_ctrl start' to run" +fi |