2 # Common parameter parsing for pktgen scripts
7 echo "Usage: $0 [-vx] -i ethX"
8 echo " -i : (\$DEV) output interface/device (required)"
9 echo " -s : (\$PKT_SIZE) packet size"
10 echo " -d : (\$DEST_IP) destination IP"
11 echo " -m : (\$DST_MAC) destination MAC-addr"
12 echo " -t : (\$THREADS) threads to start"
13 echo " -f : (\$F_THREAD) index of first thread (zero indexed CPU number)"
14 echo " -c : (\$SKB_CLONE) SKB clones send before alloc new SKB"
15 echo " -n : (\$COUNT) num messages to send per thread, 0 means indefinitely"
16 echo " -b : (\$BURST) HW level bursting of SKBs"
17 echo " -v : (\$VERBOSE) verbose"
18 echo " -x : (\$DEBUG) debug"
19 echo " -6 : (\$IP6) IPv6"
23 ## --- Parse command line arguments / parameters ---
24 ## echo "Commandline options:"
25 while getopts "s:i:d:m:f:t:c:n:b:vxh6" option; do
29 info "Output device set to: DEV=$DEV"
32 export PKT_SIZE=$OPTARG
33 info "Packet size set to: PKT_SIZE=$PKT_SIZE bytes"
36 export DEST_IP=$OPTARG
37 info "Destination IP set to: DEST_IP=$DEST_IP"
40 export DST_MAC=$OPTARG
41 info "Destination MAC set to: DST_MAC=$DST_MAC"
44 export F_THREAD=$OPTARG
45 info "Index of first thread (zero indexed CPU number): $F_THREAD"
48 export THREADS=$OPTARG
49 info "Number of threads to start: $THREADS"
52 export CLONE_SKB=$OPTARG
53 info "CLONE_SKB=$CLONE_SKB"
61 info "SKB bursting: BURST=$BURST"
65 info "Verbose mode: VERBOSE=$VERBOSE"
69 info "Debug mode: DEBUG=$DEBUG"
77 err 2 "[ERROR] Unknown parameters!!!"
80 shift $(( $OPTIND - 1 ))
82 if [ -z "$PKT_SIZE" ]; then
83 # NIC adds 4 bytes CRC
85 info "Default packet size set to: set to: $PKT_SIZE bytes"
88 if [ -z "$F_THREAD" ]; then
89 # First thread (F_THREAD) reference the zero indexed CPU number
93 if [ -z "$THREADS" ]; then
97 export L_THREAD=$(( THREADS + F_THREAD - 1 ))
99 if [ -z "$DEV" ]; then
101 err 2 "Please specify output device"
104 if [ -z "$DST_MAC" ]; then
105 warn "Missing destination MAC address"
108 if [ -z "$DEST_IP" ]; then
109 warn "Missing destination IP address"
112 if [ ! -d /proc/net/pktgen ]; then
113 info "Loading kernel module: pktgen"