1 Sample and benchmark scripts for pktgen (packet generator)
2 ==========================================================
3 This directory contains some pktgen sample and benchmark scripts, that
4 can easily be copied and adjusted for your own use-case.
6 General doc is located in kernel: Documentation/networking/pktgen.rst
10 This directory contains two helper shell files, that can be "included"
11 by shell source'ing. Namely "functions.sh" and "parameters.sh".
15 The parameters.sh file support easy and consistant parameter parsing
16 across the sample scripts. Usage example is printed on errors::
18 Usage: ./pktgen_sample01_simple.sh [-vx] -i ethX
19 -i : ($DEV) output interface/device (required)
20 -s : ($PKT_SIZE) packet size
21 -d : ($DEST_IP) destination IP. CIDR (e.g. 198.18.0.0/15) is also allowed
22 -m : ($DST_MAC) destination MAC-addr
23 -p : ($DST_PORT) destination PORT range (e.g. 433-444) is also allowed
24 -t : ($THREADS) threads to start
25 -f : ($F_THREAD) index of first thread (zero indexed CPU number)
26 -c : ($SKB_CLONE) SKB clones send before alloc new SKB
27 -n : ($COUNT) num messages to send per thread, 0 means indefinitely
28 -b : ($BURST) HW level bursting of SKBs
29 -v : ($VERBOSE) verbose
32 -w : ($DELAY) Tx Delay value (ns)
33 -a : ($APPEND) Script will not reset generator's state, but will append its config
35 The global variable being set is also listed. E.g. the required
36 interface/device parameter "-i" sets variable $DEV.
38 "-a" parameter may be used to create different flows simultaneously.
39 In this mode script will keep the existing config, will append its settings.
40 In this mode you'll have to manually run traffic with "pg_ctrl start".
42 For example you may use:
44 source ./samples/pktgen/functions.sh
47 ./pktgen_sample06_numa_awared_queue_irq_affinity.sh -a -i ens1f0 -m 34:80:0d:a3:fc:c9 -t 8
49 ./pktgen_sample06_numa_awared_queue_irq_affinity.sh -a -i ens1f1 -m 34:80:0d:a3:fc:c9 -t 8
50 # run joint traffic on two devs
55 The functions.sh file provides; Three different shell functions for
56 configuring the different components of pktgen: pg_ctrl(), pg_thread()
59 These functions correspond to pktgens different components.
60 * pg_ctrl() control "pgctrl" (/proc/net/pktgen/pgctrl)
61 * pg_thread() control the kernel threads and binding to devices
62 * pg_set() control setup of individual devices
64 See sample scripts for usage examples.