v4.19.13 snapshot.
diff --git a/samples/pktgen/parameters.sh b/samples/pktgen/parameters.sh
new file mode 100644
index 0000000..72fc562
--- /dev/null
+++ b/samples/pktgen/parameters.sh
@@ -0,0 +1,116 @@
+#
+# 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"
+ echo " -m : (\$DST_MAC) destination MAC-addr"
+ 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 ""
+}
+
+## --- Parse command line arguments / parameters ---
+## echo "Commandline options:"
+while getopts "s:i:d:m:f:t:c:n:b:vxh6" 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=$DST_MAC"
+ ;;
+ f)
+ export F_THREAD=$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=$BURST"
+ ;;
+ v)
+ export VERBOSE=yes
+ info "Verbose mode: VERBOSE=$VERBOSE"
+ ;;
+ x)
+ export DEBUG=yes
+ info "Debug mode: DEBUG=$DEBUG"
+ ;;
+ 6)
+ export IP6=6
+ info "IP6: IP6=$IP6"
+ ;;
+ 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 "$THREADS" ]; then
+ export THREADS=1
+fi
+
+export L_THREAD=$(( 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