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
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#
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# Multiqueue: Using pktgen threads for sending on multiple CPUs
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# * adding devices to kernel threads
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# * notice the naming scheme for keeping device names unique
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# * nameing scheme: dev@thread_number
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# * flow variation via random UDP source port
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#
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basedir=`dirname $0`
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source ${basedir}/functions.sh
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root_check_run_with_sudo "$@"
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#
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# Required param: -i dev in $DEV
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source ${basedir}/parameters.sh
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# Base Config
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DELAY="0" # Zero means max speed
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COUNT="100000" # Zero means indefinitely
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[ -z "$CLONE_SKB" ] && CLONE_SKB="0"
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# Flow variation random source port between min and max
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UDP_MIN=9
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UDP_MAX=109
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# (example of setting default params in your script)
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if [ -z "$DEST_IP" ]; then
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[ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
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fi
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[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
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# General cleanup everything since last run
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pg_ctrl "reset"
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# Threads are specified with parameter -t value in $THREADS
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for ((thread = 0; thread < $THREADS; thread++)); do
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# The device name is extended with @name, using thread number to
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# make then unique, but any name will do.
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dev=${DEV}@${thread}
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# Add remove all other devices and add_device $dev to thread
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pg_thread $thread "rem_device_all"
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pg_thread $thread "add_device" $dev
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# Notice config queue to map to cpu (mirrors smp_processor_id())
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# It is beneficial to map IRQ /proc/irq/*/smp_affinity 1:1 to CPU number
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pg_set $dev "flag QUEUE_MAP_CPU"
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# Base config of dev
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pg_set $dev "count $COUNT"
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pg_set $dev "clone_skb $CLONE_SKB"
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pg_set $dev "pkt_size $PKT_SIZE"
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pg_set $dev "delay $DELAY"
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# Flag example disabling timestamping
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pg_set $dev "flag NO_TIMESTAMP"
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# Destination
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pg_set $dev "dst_mac $DST_MAC"
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pg_set $dev "dst$IP6 $DEST_IP"
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# Setup random UDP port src range
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pg_set $dev "flag UDPSRC_RND"
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pg_set $dev "udp_src_min $UDP_MIN"
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pg_set $dev "udp_src_max $UDP_MAX"
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done
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# start_run
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echo "Running... ctrl^C to stop" >&2
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pg_ctrl "start"
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echo "Done" >&2
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# Print results
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for ((thread = 0; thread < $THREADS; thread++)); do
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dev=${DEV}@${thread}
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echo "Device: $dev"
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cat /proc/net/pktgen/$dev | grep -A2 "Result:"
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done
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