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1#
2# SPDX-License-Identifier: GPL-2.0
3# 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"
11 echo " -d : (\$DEST_IP) destination IP"
12 echo " -m : (\$DST_MAC) destination MAC-addr"
13 echo " -t : (\$THREADS) threads to start"
14 echo " -f : (\$F_THREAD) index of first thread (zero indexed CPU number)"
15 echo " -c : (\$SKB_CLONE) SKB clones send before alloc new SKB"
16 echo " -n : (\$COUNT) num messages to send per thread, 0 means indefinitely"
17 echo " -b : (\$BURST) HW level bursting of SKBs"
18 echo " -v : (\$VERBOSE) verbose"
19 echo " -x : (\$DEBUG) debug"
20 echo " -6 : (\$IP6) IPv6"
21 echo ""
22}
23
24## --- Parse command line arguments / parameters ---
25## echo "Commandline options:"
26while getopts "s:i:d:m:f:t:c:n:b:vxh6" option; do
27 case $option in
28 i) # interface
29 export DEV=$OPTARG
30 info "Output device set to: DEV=$DEV"
31 ;;
32 s)
33 export PKT_SIZE=$OPTARG
34 info "Packet size set to: PKT_SIZE=$PKT_SIZE bytes"
35 ;;
36 d) # destination IP
37 export DEST_IP=$OPTARG
38 info "Destination IP set to: DEST_IP=$DEST_IP"
39 ;;
40 m) # MAC
41 export DST_MAC=$OPTARG
42 info "Destination MAC set to: DST_MAC=$DST_MAC"
43 ;;
44 f)
45 export F_THREAD=$OPTARG
46 info "Index of first thread (zero indexed CPU number): $F_THREAD"
47 ;;
48 t)
49 export THREADS=$OPTARG
50 info "Number of threads to start: $THREADS"
51 ;;
52 c)
53 export CLONE_SKB=$OPTARG
54 info "CLONE_SKB=$CLONE_SKB"
55 ;;
56 n)
57 export COUNT=$OPTARG
58 info "COUNT=$COUNT"
59 ;;
60 b)
61 export BURST=$OPTARG
62 info "SKB bursting: BURST=$BURST"
63 ;;
64 v)
65 export VERBOSE=yes
66 info "Verbose mode: VERBOSE=$VERBOSE"
67 ;;
68 x)
69 export DEBUG=yes
70 info "Debug mode: DEBUG=$DEBUG"
71 ;;
72 6)
73 export IP6=6
74 info "IP6: IP6=$IP6"
75 ;;
76 h|?|*)
77 usage;
78 err 2 "[ERROR] Unknown parameters!!!"
79 esac
80done
81shift $(( $OPTIND - 1 ))
82
83if [ -z "$PKT_SIZE" ]; then
84 # NIC adds 4 bytes CRC
85 export PKT_SIZE=60
86 info "Default packet size set to: set to: $PKT_SIZE bytes"
87fi
88
89if [ -z "$F_THREAD" ]; then
90 # First thread (F_THREAD) reference the zero indexed CPU number
91 export F_THREAD=0
92fi
93
94if [ -z "$THREADS" ]; then
95 export THREADS=1
96fi
97
98export L_THREAD=$(( THREADS + F_THREAD - 1 ))
99
100if [ -z "$DEV" ]; then
101 usage
102 err 2 "Please specify output device"
103fi
104
105if [ -z "$DST_MAC" ]; then
106 warn "Missing destination MAC address"
107fi
108
109if [ -z "$DEST_IP" ]; then
110 warn "Missing destination IP address"
111fi
112
113if [ ! -d /proc/net/pktgen ]; then
114 info "Loading kernel module: pktgen"
115 modprobe pktgen
116fi
1#
2# Common parameter parsing for pktgen scripts
3#
4
5function usage() {
6 echo ""
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"
17 echo ""
18}
19
20## --- Parse command line arguments / parameters ---
21## echo "Commandline options:"
22while getopts "s:i:d:m:t:c:b:vxh" option; do
23 case $option in
24 i) # interface
25 export DEV=$OPTARG
26 info "Output device set to: DEV=$DEV"
27 ;;
28 s)
29 export PKT_SIZE=$OPTARG
30 info "Packet size set to: PKT_SIZE=$PKT_SIZE bytes"
31 ;;
32 d) # destination IP
33 export DEST_IP=$OPTARG
34 info "Destination IP set to: DEST_IP=$DEST_IP"
35 ;;
36 m) # MAC
37 export DST_MAC=$OPTARG
38 info "Destination MAC set to: DST_MAC=$DST_MAC"
39 ;;
40 t)
41 export THREADS=$OPTARG
42 export CPU_THREADS=$OPTARG
43 let "CPU_THREADS -= 1"
44 info "Number of threads to start: $THREADS (0 to $CPU_THREADS)"
45 ;;
46 c)
47 export CLONE_SKB=$OPTARG
48 info "CLONE_SKB=$CLONE_SKB"
49 ;;
50 b)
51 export BURST=$OPTARG
52 info "SKB bursting: BURST=$BURST"
53 ;;
54 v)
55 export VERBOSE=yes
56 info "Verbose mode: VERBOSE=$VERBOSE"
57 ;;
58 x)
59 export DEBUG=yes
60 info "Debug mode: DEBUG=$DEBUG"
61 ;;
62 h|?|*)
63 usage;
64 err 2 "[ERROR] Unknown parameters!!!"
65 esac
66done
67shift $(( $OPTIND - 1 ))
68
69if [ -z "$PKT_SIZE" ]; then
70 # NIC adds 4 bytes CRC
71 export PKT_SIZE=60
72 info "Default packet size set to: set to: $PKT_SIZE bytes"
73fi
74
75if [ -z "$THREADS" ]; then
76 # Zero CPU threads means one thread, because CPU numbers are zero indexed
77 export CPU_THREADS=0
78 export THREADS=1
79fi
80
81if [ -z "$DEV" ]; then
82 usage
83 err 2 "Please specify output device"
84fi
85
86if [ -z "$DST_MAC" ]; then
87 warn "Missing destination MAC address"
88fi
89
90if [ -z "$DEST_IP" ]; then
91 warn "Missing destination IP address"
92fi
93
94if [ ! -d /proc/net/pktgen ]; then
95 info "Loading kernel module: pktgen"
96 modprobe pktgen
97fi