1#!/bin/bash
2
3#modprobe pktgen
4
5
6function pgset() {
7    local result
8
9    echo $1 > $PGDEV
10
11    result=`cat $PGDEV | fgrep "Result: OK:"`
12    if [ "$result" = "" ]; then
13         cat $PGDEV | fgrep Result:
14    fi
15}
16
17# Config Start Here -----------------------------------------------------------
18
19
20# thread config
21# One CPU means one thread. One CPU example. We add eth1, eth2 respectivly.
22
23PGDEV=/proc/net/pktgen/kpktgend_0
24  echo "Removing all devices"
25 pgset "rem_device_all"
26  echo "Adding eth1"
27 pgset "add_device eth1"
28  echo "Adding eth2"
29 pgset "add_device eth2"
30
31
32# device config
33# delay 0 means maximum speed.
34
35CLONE_SKB="clone_skb 1000000"
36# NIC adds 4 bytes CRC
37PKT_SIZE="pkt_size 60"
38
39# COUNT 0 means forever
40#COUNT="count 0"
41COUNT="count 10000000"
42DELAY="delay 0"
43
44PGDEV=/proc/net/pktgen/eth1
45  echo "Configuring $PGDEV"
46 pgset "$COUNT"
47 pgset "$CLONE_SKB"
48 pgset "$PKT_SIZE"
49 pgset "$DELAY"
50 pgset "dst 10.10.11.2"
51 pgset "dst_mac  00:04:23:08:91:dc"
52
53PGDEV=/proc/net/pktgen/eth2
54  echo "Configuring $PGDEV"
55 pgset "$COUNT"
56 pgset "$CLONE_SKB"
57 pgset "$PKT_SIZE"
58 pgset "$DELAY"
59 pgset "dst 192.168.2.2"
60 pgset "dst_mac  00:04:23:08:91:de"
61
62# Time to run
63PGDEV=/proc/net/pktgen/pgctrl
64
65 echo "Running... ctrl^C to stop"
66 trap true INT
67 pgset "start"
68 echo "Done"
69 cat /proc/net/pktgen/eth1 /proc/net/pktgen/eth2
70