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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /samples/pktgen/parameters.sh
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'samples/pktgen/parameters.sh')
-rw-r--r--samples/pktgen/parameters.sh97
1 files changed, 97 insertions, 0 deletions
diff --git a/samples/pktgen/parameters.sh b/samples/pktgen/parameters.sh
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+++ b/samples/pktgen/parameters.sh
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+#
+# 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 " -c : (\$SKB_CLONE) SKB clones send before alloc new SKB"
+ echo " -b : (\$BURST) HW level bursting of SKBs"
+ echo " -v : (\$VERBOSE) verbose"
+ echo " -x : (\$DEBUG) debug"
+ echo ""
+}
+
+## --- Parse command line arguments / parameters ---
+## echo "Commandline options:"
+while getopts "s:i:d:m:t:c:b:vxh" 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=$DST_MAC"
+ ;;
+ t)
+ export THREADS=$OPTARG
+ export CPU_THREADS=$OPTARG
+ let "CPU_THREADS -= 1"
+ info "Number of threads to start: $THREADS (0 to $CPU_THREADS)"
+ ;;
+ c)
+ export CLONE_SKB=$OPTARG
+ info "CLONE_SKB=$CLONE_SKB"
+ ;;
+ b)
+ export BURST=$OPTARG
+ info "SKB bursting: BURST=$BURST"
+ ;;
+ v)
+ export VERBOSE=yes
+ info "Verbose mode: VERBOSE=$VERBOSE"
+ ;;
+ x)
+ export DEBUG=yes
+ info "Debug mode: DEBUG=$DEBUG"
+ ;;
+ 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: $PKT_SIZE bytes"
+fi
+
+if [ -z "$THREADS" ]; then
+ # Zero CPU threads means one thread, because CPU numbers are zero indexed
+ export CPU_THREADS=0
+ export THREADS=1
+fi
+
+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