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Commit | Line | Data |
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b64b0d1e | 1 | # |
b2441318 | 2 | # SPDX-License-Identifier: GPL-2.0 |
b64b0d1e JDB |
3 | # Common parameter parsing for pktgen scripts |
4 | # | |
5 | ||
6 | function 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" | |
40f843ee | 11 | echo " -d : (\$DEST_IP) destination IP. CIDR (e.g. 198.18.0.0/15) is also allowed" |
b64b0d1e | 12 | echo " -m : (\$DST_MAC) destination MAC-addr" |
6e32a74a | 13 | echo " -p : (\$DST_PORT) destination PORT range (e.g. 433-444) is also allowed" |
b64b0d1e | 14 | echo " -t : (\$THREADS) threads to start" |
e0e16672 | 15 | echo " -f : (\$F_THREAD) index of first thread (zero indexed CPU number)" |
b64b0d1e | 16 | echo " -c : (\$SKB_CLONE) SKB clones send before alloc new SKB" |
69137ea6 | 17 | echo " -n : (\$COUNT) num messages to send per thread, 0 means indefinitely" |
b64b0d1e JDB |
18 | echo " -b : (\$BURST) HW level bursting of SKBs" |
19 | echo " -v : (\$VERBOSE) verbose" | |
20 | echo " -x : (\$DEBUG) debug" | |
0f06a678 | 21 | echo " -6 : (\$IP6) IPv6" |
b64b0d1e JDB |
22 | echo "" |
23 | } | |
24 | ||
25 | ## --- Parse command line arguments / parameters --- | |
26 | ## echo "Commandline options:" | |
6e32a74a | 27 | while getopts "s:i:d:m:p:f:t:c:n:b:vxh6" option; do |
b64b0d1e JDB |
28 | 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=$DST_MAC" | |
44 | ;; | |
6e32a74a DL |
45 | p) # PORT |
46 | export DST_PORT=$OPTARG | |
47 | info "Destination PORT set to: DST_PORT=$DST_PORT" | |
48 | ;; | |
e0e16672 TT |
49 | f) |
50 | export F_THREAD=$OPTARG | |
51 | info "Index of first thread (zero indexed CPU number): $F_THREAD" | |
52 | ;; | |
b64b0d1e JDB |
53 | t) |
54 | export THREADS=$OPTARG | |
e0e16672 | 55 | info "Number of threads to start: $THREADS" |
b64b0d1e JDB |
56 | ;; |
57 | c) | |
58 | export CLONE_SKB=$OPTARG | |
59 | info "CLONE_SKB=$CLONE_SKB" | |
60 | ;; | |
69137ea6 TT |
61 | n) |
62 | export COUNT=$OPTARG | |
63 | info "COUNT=$COUNT" | |
64 | ;; | |
b64b0d1e JDB |
65 | b) |
66 | export BURST=$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=$DEBUG" | |
76 | ;; | |
0f06a678 MKL |
77 | 6) |
78 | export IP6=6 | |
79 | info "IP6: IP6=$IP6" | |
80 | ;; | |
b64b0d1e JDB |
81 | h|?|*) |
82 | usage; | |
83 | err 2 "[ERROR] Unknown parameters!!!" | |
84 | esac | |
85 | done | |
86 | shift $(( $OPTIND - 1 )) | |
87 | ||
88 | if [ -z "$PKT_SIZE" ]; then | |
89 | # NIC adds 4 bytes CRC | |
90 | export PKT_SIZE=60 | |
91 | info "Default packet size set to: set to: $PKT_SIZE bytes" | |
92 | fi | |
93 | ||
e0e16672 TT |
94 | if [ -z "$F_THREAD" ]; then |
95 | # First thread (F_THREAD) reference the zero indexed CPU number | |
96 | export F_THREAD=0 | |
97 | fi | |
98 | ||
b64b0d1e | 99 | if [ -z "$THREADS" ]; then |
b64b0d1e JDB |
100 | export THREADS=1 |
101 | fi | |
102 | ||
e0e16672 TT |
103 | export L_THREAD=$(( THREADS + F_THREAD - 1 )) |
104 | ||
b64b0d1e JDB |
105 | if [ -z "$DEV" ]; then |
106 | usage | |
107 | err 2 "Please specify output device" | |
108 | fi | |
109 | ||
110 | if [ -z "$DST_MAC" ]; then | |
111 | warn "Missing destination MAC address" | |
112 | fi | |
113 | ||
114 | if [ -z "$DEST_IP" ]; then | |
115 | warn "Missing destination IP address" | |
116 | fi | |
117 | ||
118 | if [ ! -d /proc/net/pktgen ]; then | |
119 | info "Loading kernel module: pktgen" | |
120 | modprobe pktgen | |
121 | fi |