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" | |
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:" | |
22 | while 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 | |
66 | done | |
67 | shift $(( $OPTIND - 1 )) | |
68 | ||
69 | if [ -z "$PKT_SIZE" ]; then | |
70 | # NIC adds 4 bytes CRC | |
71 | export PKT_SIZE=60 | |
72 | info "Default packet size set to: set to: $PKT_SIZE bytes" | |
73 | fi | |
74 | ||
75 | if [ -z "$THREADS" ]; then | |
76 | # Zero CPU threads means one thread, because CPU numbers are zero indexed | |
77 | export CPU_THREADS=0 | |
78 | export THREADS=1 | |
79 | fi | |
80 | ||
81 | if [ -z "$DEV" ]; then | |
82 | usage | |
83 | err 2 "Please specify output device" | |
84 | fi | |
85 | ||
86 | if [ -z "$DST_MAC" ]; then | |
87 | warn "Missing destination MAC address" | |
88 | fi | |
89 | ||
90 | if [ -z "$DEST_IP" ]; then | |
91 | warn "Missing destination IP address" | |
92 | fi | |
93 | ||
94 | if [ ! -d /proc/net/pktgen ]; then | |
95 | info "Loading kernel module: pktgen" | |
96 | modprobe pktgen | |
97 | fi |