mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-12 05:24:12 +08:00
0f06a6787e
Add a '-6' option to the sample pktgen scripts for sending out IPv6 packets. [root@kerneldev010.prn1 ~/pktgen]# ./pktgen_sample03_burst_single_flow.sh -i eth0 -s 64 -d fe80::f652:14ff:fec2:a14c -m f4:52:14:c2:a1:4c -b 32 -6 [root@kerneldev011.prn1 ~]# tcpdump -i eth0 -nn -c3 port 9 tcpdump: WARNING: eth0: no IPv4 address assigned tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 14:38:51.815297 IP6 fe80::f652:14ff:fec2:2ad2.9 > fe80::f652:14ff:fec2:a14c.9: UDP, length 16 14:38:51.815311 IP6 fe80::f652:14ff:fec2:2ad2.9 > fe80::f652:14ff:fec2:a14c.9: UDP, length 16 14:38:51.815313 IP6 fe80::f652:14ff:fec2:2ad2.9 > fe80::f652:14ff:fec2:a14c.9: UDP, length 16 Signed-off-by: Martin KaFai Lau <kafai@fb.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
78 lines
2.2 KiB
Bash
Executable File
78 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# Multiqueue: Using pktgen threads for sending on multiple CPUs
|
|
# * adding devices to kernel threads
|
|
# * notice the naming scheme for keeping device names unique
|
|
# * nameing scheme: dev@thread_number
|
|
# * flow variation via random UDP source port
|
|
#
|
|
basedir=`dirname $0`
|
|
source ${basedir}/functions.sh
|
|
root_check_run_with_sudo "$@"
|
|
#
|
|
# Required param: -i dev in $DEV
|
|
source ${basedir}/parameters.sh
|
|
|
|
# Base Config
|
|
DELAY="0" # Zero means max speed
|
|
COUNT="100000" # Zero means indefinitely
|
|
[ -z "$CLONE_SKB" ] && CLONE_SKB="0"
|
|
|
|
# Flow variation random source port between min and max
|
|
UDP_MIN=9
|
|
UDP_MAX=109
|
|
|
|
# (example of setting default params in your script)
|
|
if [ -z "$DEST_IP" ]; then
|
|
[ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
|
|
fi
|
|
[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
|
|
|
|
# General cleanup everything since last run
|
|
pg_ctrl "reset"
|
|
|
|
# Threads are specified with parameter -t value in $THREADS
|
|
for ((thread = 0; thread < $THREADS; thread++)); do
|
|
# The device name is extended with @name, using thread number to
|
|
# make then unique, but any name will do.
|
|
dev=${DEV}@${thread}
|
|
|
|
# Add remove all other devices and add_device $dev to thread
|
|
pg_thread $thread "rem_device_all"
|
|
pg_thread $thread "add_device" $dev
|
|
|
|
# Notice config queue to map to cpu (mirrors smp_processor_id())
|
|
# It is beneficial to map IRQ /proc/irq/*/smp_affinity 1:1 to CPU number
|
|
pg_set $dev "flag QUEUE_MAP_CPU"
|
|
|
|
# Base config of dev
|
|
pg_set $dev "count $COUNT"
|
|
pg_set $dev "clone_skb $CLONE_SKB"
|
|
pg_set $dev "pkt_size $PKT_SIZE"
|
|
pg_set $dev "delay $DELAY"
|
|
|
|
# Flag example disabling timestamping
|
|
pg_set $dev "flag NO_TIMESTAMP"
|
|
|
|
# Destination
|
|
pg_set $dev "dst_mac $DST_MAC"
|
|
pg_set $dev "dst$IP6 $DEST_IP"
|
|
|
|
# Setup random UDP port src range
|
|
pg_set $dev "flag UDPSRC_RND"
|
|
pg_set $dev "udp_src_min $UDP_MIN"
|
|
pg_set $dev "udp_src_max $UDP_MAX"
|
|
done
|
|
|
|
# start_run
|
|
echo "Running... ctrl^C to stop" >&2
|
|
pg_ctrl "start"
|
|
echo "Done" >&2
|
|
|
|
# Print results
|
|
for ((thread = 0; thread < $THREADS; thread++)); do
|
|
dev=${DEV}@${thread}
|
|
echo "Device: $dev"
|
|
cat /proc/net/pktgen/$dev | grep -A2 "Result:"
|
|
done
|