Commit | Line | Data |
---|---|---|
b64b0d1e JDB |
1 | # |
2 | # Common parameter parsing for pktgen scripts | |
3 | # | |
4 | ||
5 | function 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" | |
e0e16672 | 13 | echo " -f : (\$F_THREAD) index of first thread (zero indexed CPU number)" |
b64b0d1e | 14 | echo " -c : (\$SKB_CLONE) SKB clones send before alloc new SKB" |
69137ea6 | 15 | echo " -n : (\$COUNT) num messages to send per thread, 0 means indefinitely" |
b64b0d1e JDB |
16 | echo " -b : (\$BURST) HW level bursting of SKBs" |
17 | echo " -v : (\$VERBOSE) verbose" | |
18 | echo " -x : (\$DEBUG) debug" | |
0f06a678 | 19 | echo " -6 : (\$IP6) IPv6" |
b64b0d1e JDB |
20 | echo "" |
21 | } | |
22 | ||
23 | ## --- Parse command line arguments / parameters --- | |
24 | ## echo "Commandline options:" | |
e0e16672 | 25 | while getopts "s:i:d:m:f:t:c:n:b:vxh6" option; do |
b64b0d1e JDB |
26 | case $option in |
27 | i) # interface | |
28 | export DEV=$OPTARG | |
29 | info "Output device set to: DEV=$DEV" | |
30 | ;; | |
31 | s) | |
32 | export PKT_SIZE=$OPTARG | |
33 | info "Packet size set to: PKT_SIZE=$PKT_SIZE bytes" | |
34 | ;; | |
35 | d) # destination IP | |
36 | export DEST_IP=$OPTARG | |
37 | info "Destination IP set to: DEST_IP=$DEST_IP" | |
38 | ;; | |
39 | m) # MAC | |
40 | export DST_MAC=$OPTARG | |
41 | info "Destination MAC set to: DST_MAC=$DST_MAC" | |
42 | ;; | |
e0e16672 TT |
43 | f) |
44 | export F_THREAD=$OPTARG | |
45 | info "Index of first thread (zero indexed CPU number): $F_THREAD" | |
46 | ;; | |
b64b0d1e JDB |
47 | t) |
48 | export THREADS=$OPTARG | |
e0e16672 | 49 | info "Number of threads to start: $THREADS" |
b64b0d1e JDB |
50 | ;; |
51 | c) | |
52 | export CLONE_SKB=$OPTARG | |
53 | info "CLONE_SKB=$CLONE_SKB" | |
54 | ;; | |
69137ea6 TT |
55 | n) |
56 | export COUNT=$OPTARG | |
57 | info "COUNT=$COUNT" | |
58 | ;; | |
b64b0d1e JDB |
59 | b) |
60 | export BURST=$OPTARG | |
61 | info "SKB bursting: BURST=$BURST" | |
62 | ;; | |
63 | v) | |
64 | export VERBOSE=yes | |
65 | info "Verbose mode: VERBOSE=$VERBOSE" | |
66 | ;; | |
67 | x) | |
68 | export DEBUG=yes | |
69 | info "Debug mode: DEBUG=$DEBUG" | |
70 | ;; | |
0f06a678 MKL |
71 | 6) |
72 | export IP6=6 | |
73 | info "IP6: IP6=$IP6" | |
74 | ;; | |
b64b0d1e JDB |
75 | h|?|*) |
76 | usage; | |
77 | err 2 "[ERROR] Unknown parameters!!!" | |
78 | esac | |
79 | done | |
80 | shift $(( $OPTIND - 1 )) | |
81 | ||
82 | if [ -z "$PKT_SIZE" ]; then | |
83 | # NIC adds 4 bytes CRC | |
84 | export PKT_SIZE=60 | |
85 | info "Default packet size set to: set to: $PKT_SIZE bytes" | |
86 | fi | |
87 | ||
e0e16672 TT |
88 | if [ -z "$F_THREAD" ]; then |
89 | # First thread (F_THREAD) reference the zero indexed CPU number | |
90 | export F_THREAD=0 | |
91 | fi | |
92 | ||
b64b0d1e | 93 | if [ -z "$THREADS" ]; then |
b64b0d1e JDB |
94 | export THREADS=1 |
95 | fi | |
96 | ||
e0e16672 TT |
97 | export L_THREAD=$(( THREADS + F_THREAD - 1 )) |
98 | ||
b64b0d1e JDB |
99 | if [ -z "$DEV" ]; then |
100 | usage | |
101 | err 2 "Please specify output device" | |
102 | fi | |
103 | ||
104 | if [ -z "$DST_MAC" ]; then | |
105 | warn "Missing destination MAC address" | |
106 | fi | |
107 | ||
108 | if [ -z "$DEST_IP" ]; then | |
109 | warn "Missing destination IP address" | |
110 | fi | |
111 | ||
112 | if [ ! -d /proc/net/pktgen ]; then | |
113 | info "Loading kernel module: pktgen" | |
114 | modprobe pktgen | |
115 | fi |