2 # Common parameter parsing for pktgen scripts
7 echo "Usage: $0 [-vx] -i ethX"
8 echo " -i : (\$DEV) output interface/device (required)"
9 echo " -s : (\$PKT_SIZE) packet size"
10 echo " -d : (\$DEST_IP) destination IP"
11 echo " -m : (\$DST_MAC) destination MAC-addr"
12 echo " -t : (\$THREADS) threads to start"
13 echo " -c : (\$SKB_CLONE) SKB clones send before alloc new SKB"
14 echo " -b : (\$BURST) HW level bursting of SKBs"
15 echo " -v : (\$VERBOSE) verbose"
16 echo " -x : (\$DEBUG) debug"
20 ## --- Parse command line arguments / parameters ---
21 ## echo "Commandline options:"
22 while getopts "s:i:d:m:t:c:b:vxh" option; do
26 info "Output device set to: DEV=$DEV"
29 export PKT_SIZE=$OPTARG
30 info "Packet size set to: PKT_SIZE=$PKT_SIZE bytes"
33 export DEST_IP=$OPTARG
34 info "Destination IP set to: DEST_IP=$DEST_IP"
37 export DST_MAC=$OPTARG
38 info "Destination MAC set to: DST_MAC=$DST_MAC"
41 export THREADS=$OPTARG
42 export CPU_THREADS=$OPTARG
43 let "CPU_THREADS -= 1"
44 info "Number of threads to start: $THREADS (0 to $CPU_THREADS)"
47 export CLONE_SKB=$OPTARG
48 info "CLONE_SKB=$CLONE_SKB"
52 info "SKB bursting: BURST=$BURST"
56 info "Verbose mode: VERBOSE=$VERBOSE"
60 info "Debug mode: DEBUG=$DEBUG"
64 err 2 "[ERROR] Unknown parameters!!!"
67 shift $(( $OPTIND - 1 ))
69 if [ -z "$PKT_SIZE" ]; then
70 # NIC adds 4 bytes CRC
72 info "Default packet size set to: set to: $PKT_SIZE bytes"
75 if [ -z "$THREADS" ]; then
76 # Zero CPU threads means one thread, because CPU numbers are zero indexed
81 if [ -z "$DEV" ]; then
83 err 2 "Please specify output device"
86 if [ -z "$DST_MAC" ]; then
87 warn "Missing destination MAC address"
90 if [ -z "$DEST_IP" ]; then
91 warn "Missing destination IP address"
94 if [ ! -d /proc/net/pktgen ]; then
95 info "Loading kernel module: pktgen"