| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| |
| #modprobe pktgen |
| |
| |
| function pgset() { |
| local result |
| |
| echo $1 > $PGDEV |
| |
| result=`cat $PGDEV | fgrep "Result: OK:"` |
| if [ "$result" = "" ]; then |
| cat $PGDEV | fgrep Result: |
| fi |
| } |
| |
| # Config Start Here ----------------------------------------------------------- |
| |
| |
| # thread config |
| # Each CPU has its own thread. One CPU example. We add eth1. |
| # IPv6. Note increase in minimal packet length |
| |
| PGDEV=/proc/net/pktgen/kpktgend_0 |
| echo "Removing all devices" |
| pgset "rem_device_all" |
| echo "Adding eth1" |
| pgset "add_device eth1" |
| |
| |
| # device config |
| # delay 0 means maximum speed. |
| |
| # We need to do alloc for every skb since we cannot clone here. |
| CLONE_SKB="clone_skb 0" |
| |
| # NIC adds 4 bytes CRC |
| PKT_SIZE="pkt_size 66" |
| |
| # COUNT 0 means forever |
| #COUNT="count 0" |
| COUNT="count 10000000" |
| DELAY="delay 0" |
| |
| PGDEV=/proc/net/pktgen/eth1 |
| echo "Configuring $PGDEV" |
| pgset "$COUNT" |
| pgset "$CLONE_SKB" |
| pgset "$PKT_SIZE" |
| pgset "$DELAY" |
| pgset "dst6_min fec0::1" |
| pgset "dst6_max fec0::FFFF:FFFF" |
| |
| pgset "dst_mac 00:04:23:08:91:dc" |
| |
| # Time to run |
| PGDEV=/proc/net/pktgen/pgctrl |
| |
| echo "Running... ctrl^C to stop" |
| trap true INT |
| pgset "start" |
| echo "Done" |
| cat /proc/net/pktgen/eth1 |