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Diffstat (limited to 'samples/pktgen/parameters.sh')
| -rw-r--r-- | samples/pktgen/parameters.sh | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/samples/pktgen/parameters.sh b/samples/pktgen/parameters.sh new file mode 100644 index 0000000000..81906f1994 --- /dev/null +++ b/samples/pktgen/parameters.sh @@ -0,0 +1,139 @@ +# +# SPDX-License-Identifier: GPL-2.0 +# Common parameter parsing for pktgen scripts +# + +function usage() { + echo "" + echo "Usage: $0 [-vx] -i ethX" + echo " -i : (\$DEV) output interface/device (required)" + echo " -s : (\$PKT_SIZE) packet size" + echo " -d : (\$DEST_IP) destination IP. CIDR (e.g. 198.18.0.0/15) is also allowed" + echo " -m : (\$DST_MAC) destination MAC-addr" + echo " -p : (\$DST_PORT) destination PORT range (e.g. 433-444) is also allowed" + echo " -k : (\$UDP_CSUM) enable UDP tx checksum" + echo " -t : (\$THREADS) threads to start" + echo " -f : (\$F_THREAD) index of first thread (zero indexed CPU number)" + echo " -c : (\$SKB_CLONE) SKB clones send before alloc new SKB" + echo " -n : (\$COUNT) num messages to send per thread, 0 means indefinitely" + echo " -b : (\$BURST) HW level bursting of SKBs" + echo " -v : (\$VERBOSE) verbose" + echo " -x : (\$DEBUG) debug" + echo " -6 : (\$IP6) IPv6" + echo " -w : (\$DELAY) Tx Delay value (ns)" + echo " -a : (\$APPEND) Script will not reset generator's state, but will append its config" + echo "" +} + +## --- Parse command line arguments / parameters --- +## echo "Commandline options:" +while getopts "s:i:d:m:p:f:t:c:n:b:w:vxh6ak" option; do + case $option in + i) # interface + export DEV=$OPTARG + info "Output device set to: DEV=$DEV" + ;; + s) + export PKT_SIZE=$OPTARG + info "Packet size set to: PKT_SIZE=$PKT_SIZE bytes" + ;; + d) # destination IP + export DEST_IP=$OPTARG + info "Destination IP set to: DEST_IP=$DEST_IP" + ;; + m) # MAC + export DST_MAC=$OPTARG + info "Destination MAC set to: DST_MAC=$DST_MAC" + ;; + p) # PORT + export DST_PORT=$OPTARG + info "Destination PORT set to: DST_PORT=$DST_PORT" + ;; + f) + export F_THREAD=$OPTARG + info "Index of first thread (zero indexed CPU number): $F_THREAD" + ;; + t) + export THREADS=$OPTARG + info "Number of threads to start: $THREADS" + ;; + c) + export CLONE_SKB=$OPTARG + info "CLONE_SKB=$CLONE_SKB" + ;; + n) + export COUNT=$OPTARG + info "COUNT=$COUNT" + ;; + b) + export BURST=$OPTARG + info "SKB bursting: BURST=$BURST" + ;; + w) + export DELAY=$OPTARG + info "DELAY=$DELAY" + ;; + v) + export VERBOSE=yes + info "Verbose mode: VERBOSE=$VERBOSE" + ;; + x) + export DEBUG=yes + info "Debug mode: DEBUG=$DEBUG" + ;; + 6) + export IP6=6 + info "IP6: IP6=$IP6" + ;; + a) + export APPEND=yes + info "Append mode: APPEND=$APPEND" + ;; + k) + export UDP_CSUM=yes + info "UDP tx checksum: UDP_CSUM=$UDP_CSUM" + ;; + h|?|*) + usage; + err 2 "[ERROR] Unknown parameters!!!" + esac +done +shift $(( $OPTIND - 1 )) + +if [ -z "$PKT_SIZE" ]; then + # NIC adds 4 bytes CRC + export PKT_SIZE=60 + info "Default packet size set to: set to: $PKT_SIZE bytes" +fi + +if [ -z "$F_THREAD" ]; then + # First thread (F_THREAD) reference the zero indexed CPU number + export F_THREAD=0 +fi + +if [ -z "$THREADS" ]; then + export THREADS=1 +fi + +# default DELAY +[ -z "$DELAY" ] && export DELAY=0 # Zero means max speed + +export L_THREAD=$(( THREADS + F_THREAD - 1 )) + +if [ -z "$DEV" ]; then + usage + err 2 "Please specify output device" +fi + +if [ -z "$DST_MAC" ]; then + warn "Missing destination MAC address" +fi + +if [ -z "$DEST_IP" ]; then + warn "Missing destination IP address" +fi + +if [ ! -d /proc/net/pktgen ]; then + info "Loading kernel module: pktgen" + modprobe pktgen +fi |