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Author SHA1 Message Date
Tariq Toukan e0e16672ee pktgen: Specify the index of first thread 
Use "-f <num>", to specify the index of the first
sender thread.
In default first thread is #0.

Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-06-16 12:32:34 -04:00
Tariq Toukan 69137ea60c pktgen: Specify num packets per thread 
Use -n <num>, to specify the number of packets every
thread sends.
Zero means indefinitely.

Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-06-16 12:32:34 -04:00
Martin KaFai Lau 0f06a6787e samples: Add an IPv6 '-6' option to the pktgen scripts 
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>
 2016-07-20 22:16:02 -07:00
Jesper Dangaard Brouer 05a14d5e17 pktgen: add benchmark script pktgen_bench_xmit_mode_netif_receive.sh 
This script pktgen_bench_xmit_mode_netif_receive.sh is a benchmark
script, which can be used for benchmarking part of the network stack.
This can be used for performance improving or catching regression in
that area.

The script is developed for benchmarking ingress qdisc path, original
idea by Alexei Starovoitov.  This script don't really need any
hardware.  This is achieved via the recently introduced stack inject
feature "xmit_mode netif_receive". See commit 62f64aed62 ("pktgen:
introduce xmit_mode '<start_xmit|netif_receive>'").

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-05-22 23:59:17 -04:00