You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
2.4 KiB
98 lines
2.4 KiB
10 years ago
|
#
|
||
|
|
# Common parameter parsing for pktgen scripts
|
||
|
|
#
|
||
|
|
|
||
|
|
function usage() {
|
||
|
|
echo ""
|
||
|
|
echo "Usage: $0 [-vx] -i ethX"
|
||
|
|
echo " -i : (\$DEV) output interface/device (required)"
|
||
|
|
echo " -s : (\$PKT_SIZE) packet size"
|
||
|
|
echo " -d : (\$DEST_IP) destination IP"
|
||
|
|
echo " -m : (\$DST_MAC) destination MAC-addr"
|
||
|
|
echo " -t : (\$THREADS) threads to start"
|
||
|
|
echo " -c : (\$SKB_CLONE) SKB clones send before alloc new SKB"
|
||
|
|
echo " -b : (\$BURST) HW level bursting of SKBs"
|
||
|
|
echo " -v : (\$VERBOSE) verbose"
|
||
|
|
echo " -x : (\$DEBUG) debug"
|
||
|
|
echo ""
|
||
|
|
}
|
||
|
|
|
||
|
|
## --- Parse command line arguments / parameters ---
|
||
|
|
## echo "Commandline options:"
|
||
|
|
while getopts "s:i:d:m:t:c:b:vxh" option; do
|
||
|
|
case $option in
|
||
|
|
i) # interface
|
||
|
|
export DEV=$OPTARG
|
||
|
|
info "Output device set to: DEV=$DEV"
|
||
|
|
;;
|
||
|
|
s)
|
||
|
|
export PKT_SIZE=$OPTARG
|
||
|
|
info "Packet size set to: PKT_SIZE=$PKT_SIZE bytes"
|
||
|
|
;;
|
||
|
|
d) # destination IP
|
||
|
|
export DEST_IP=$OPTARG
|
||
|
|
info "Destination IP set to: DEST_IP=$DEST_IP"
|
||
|
|
;;
|
||
|
|
m) # MAC
|
||
|
|
export DST_MAC=$OPTARG
|
||
|
|
info "Destination MAC set to: DST_MAC=$DST_MAC"
|
||
|
|
;;
|
||
|
|
t)
|
||
|
|
export THREADS=$OPTARG
|
||
|
|
export CPU_THREADS=$OPTARG
|
||
|
|
let "CPU_THREADS -= 1"
|
||
|
|
info "Number of threads to start: $THREADS (0 to $CPU_THREADS)"
|
||
|
|
;;
|
||
|
|
c)
|
||
|
|
export CLONE_SKB=$OPTARG
|
||
|
|
info "CLONE_SKB=$CLONE_SKB"
|
||
|
|
;;
|
||
|
|
b)
|
||
|
|
export BURST=$OPTARG
|
||
|
|
info "SKB bursting: BURST=$BURST"
|
||
|
|
;;
|
||
|
|
v)
|
||
|
|
export VERBOSE=yes
|
||
|
|
info "Verbose mode: VERBOSE=$VERBOSE"
|
||
|
|
;;
|
||
|
|
x)
|
||
|
|
export DEBUG=yes
|
||
|
|
info "Debug mode: DEBUG=$DEBUG"
|
||
|
|
;;
|
||
|
|
h|?|*)
|
||
|
|
usage;
|
||
|
|
err 2 "[ERROR] Unknown parameters!!!"
|
||
|
|
esac
|
||
|
|
done
|
||
|
|
shift $(( $OPTIND - 1 ))
|
||
|
|
|
||
|
|
if [ -z "$PKT_SIZE" ]; then
|
||
|
|
# NIC adds 4 bytes CRC
|
||
|
|
export PKT_SIZE=60
|
||
|
|
info "Default packet size set to: set to: $PKT_SIZE bytes"
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ -z "$THREADS" ]; then
|
||
|
|
# Zero CPU threads means one thread, because CPU numbers are zero indexed
|
||
|
|
export CPU_THREADS=0
|
||
|
|
export THREADS=1
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ -z "$DEV" ]; then
|
||
|
|
usage
|
||
|
|
err 2 "Please specify output device"
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ -z "$DST_MAC" ]; then
|
||
|
|
warn "Missing destination MAC address"
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ -z "$DEST_IP" ]; then
|
||
|
|
warn "Missing destination IP address"
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ ! -d /proc/net/pktgen ]; then
|
||
|
|
info "Loading kernel module: pktgen"
|
||
|
|
modprobe pktgen
|
||
|
|
fi
|