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Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +02001#
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01002# SPDX-License-Identifier: GPL-2.0
Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +02003# Common parameter parsing for pktgen scripts
4#
5
6function usage() {
7 echo ""
8 echo "Usage: $0 [-vx] -i ethX"
9 echo " -i : (\$DEV) output interface/device (required)"
10 echo " -s : (\$PKT_SIZE) packet size"
Daniel T. Lee40f843e2019-10-05 17:25:09 +090011 echo " -d : (\$DEST_IP) destination IP. CIDR (e.g. 198.18.0.0/15) is also allowed"
Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +020012 echo " -m : (\$DST_MAC) destination MAC-addr"
Daniel T. Lee6e32a742019-06-29 22:33:58 +090013 echo " -p : (\$DST_PORT) destination PORT range (e.g. 433-444) is also allowed"
Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +020014 echo " -t : (\$THREADS) threads to start"
Tariq Toukane0e16672017-06-15 19:07:22 +030015 echo " -f : (\$F_THREAD) index of first thread (zero indexed CPU number)"
Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +020016 echo " -c : (\$SKB_CLONE) SKB clones send before alloc new SKB"
Tariq Toukan69137ea2017-06-15 19:07:21 +030017 echo " -n : (\$COUNT) num messages to send per thread, 0 means indefinitely"
Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +020018 echo " -b : (\$BURST) HW level bursting of SKBs"
19 echo " -v : (\$VERBOSE) verbose"
20 echo " -x : (\$DEBUG) debug"
Martin KaFai Lau0f06a672016-07-20 15:48:43 -070021 echo " -6 : (\$IP6) IPv6"
Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +020022 echo ""
23}
24
25## --- Parse command line arguments / parameters ---
26## echo "Commandline options:"
Daniel T. Lee6e32a742019-06-29 22:33:58 +090027while getopts "s:i:d:m:p:f:t:c:n:b:vxh6" option; do
Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +020028 case $option in
29 i) # interface
30 export DEV=$OPTARG
31 info "Output device set to: DEV=$DEV"
32 ;;
33 s)
34 export PKT_SIZE=$OPTARG
35 info "Packet size set to: PKT_SIZE=$PKT_SIZE bytes"
36 ;;
37 d) # destination IP
38 export DEST_IP=$OPTARG
39 info "Destination IP set to: DEST_IP=$DEST_IP"
40 ;;
41 m) # MAC
42 export DST_MAC=$OPTARG
43 info "Destination MAC set to: DST_MAC=$DST_MAC"
44 ;;
Daniel T. Lee6e32a742019-06-29 22:33:58 +090045 p) # PORT
46 export DST_PORT=$OPTARG
47 info "Destination PORT set to: DST_PORT=$DST_PORT"
48 ;;
Tariq Toukane0e16672017-06-15 19:07:22 +030049 f)
50 export F_THREAD=$OPTARG
51 info "Index of first thread (zero indexed CPU number): $F_THREAD"
52 ;;
Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +020053 t)
54 export THREADS=$OPTARG
Tariq Toukane0e16672017-06-15 19:07:22 +030055 info "Number of threads to start: $THREADS"
Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +020056 ;;
57 c)
58 export CLONE_SKB=$OPTARG
59 info "CLONE_SKB=$CLONE_SKB"
60 ;;
Tariq Toukan69137ea2017-06-15 19:07:21 +030061 n)
62 export COUNT=$OPTARG
63 info "COUNT=$COUNT"
64 ;;
Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +020065 b)
66 export BURST=$OPTARG
67 info "SKB bursting: BURST=$BURST"
68 ;;
69 v)
70 export VERBOSE=yes
71 info "Verbose mode: VERBOSE=$VERBOSE"
72 ;;
73 x)
74 export DEBUG=yes
75 info "Debug mode: DEBUG=$DEBUG"
76 ;;
Martin KaFai Lau0f06a672016-07-20 15:48:43 -070077 6)
78 export IP6=6
79 info "IP6: IP6=$IP6"
80 ;;
Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +020081 h|?|*)
82 usage;
83 err 2 "[ERROR] Unknown parameters!!!"
84 esac
85done
86shift $(( $OPTIND - 1 ))
87
88if [ -z "$PKT_SIZE" ]; then
89 # NIC adds 4 bytes CRC
90 export PKT_SIZE=60
91 info "Default packet size set to: set to: $PKT_SIZE bytes"
92fi
93
Tariq Toukane0e16672017-06-15 19:07:22 +030094if [ -z "$F_THREAD" ]; then
95 # First thread (F_THREAD) reference the zero indexed CPU number
96 export F_THREAD=0
97fi
98
Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +020099if [ -z "$THREADS" ]; then
Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +0200100 export THREADS=1
101fi
102
Tariq Toukane0e16672017-06-15 19:07:22 +0300103export L_THREAD=$(( THREADS + F_THREAD - 1 ))
104
Jesper Dangaard Brouerb64b0d12015-05-21 12:17:19 +0200105if [ -z "$DEV" ]; then
106 usage
107 err 2 "Please specify output device"
108fi
109
110if [ -z "$DST_MAC" ]; then
111 warn "Missing destination MAC address"
112fi
113
114if [ -z "$DEST_IP" ]; then
115 warn "Missing destination IP address"
116fi
117
118if [ ! -d /proc/net/pktgen ]; then
119 info "Loading kernel module: pktgen"
120 modprobe pktgen
121fi