1 files changed, 121 insertions, 0 deletions
diff --git a/scripts/kernel/pktgen/parameters.sh b/scripts/kernel/pktgen/parameters.sh
new file mode 100644
index 0000000..ff0ed47
--- /dev/null
+++ b/scripts/kernel/pktgen/parameters.sh
@@ -0,0 +1,121 @@
+#
+# 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 "  -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:p: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=$DST_MAC"
+          ;;
+        p) # PORT
+          export DST_PORT=$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=$BURST"
+          ;;
+        v)
+          export VERBOSE=yes
+          info "Verbose mode: VERBOSE=$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