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1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3#
4# Script will generate one flow per thread (-t N)
5# - Same destination IP
6# - Fake source IPs for each flow (fixed based on thread number)
7#
8# Useful for scale testing on receiver, to see whether silo'ing flows
9# works and scales. For optimal scalability (on receiver) each
10# separate-flow should not access shared variables/data. This script
11# helps magnify any of these scaling issues by overloading the receiver.
12#
13basedir=`dirname $0`
14source ${basedir}/functions.sh
15root_check_run_with_sudo "$@"
16
17# Parameter parsing via include
18source ${basedir}/parameters.sh
19# Set some default params, if they didn't get set
20if [ -z "$DEST_IP" ]; then
21 [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
22fi
23[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
24[ -z "$CLONE_SKB" ] && CLONE_SKB="0"
25[ -z "$BURST" ] && BURST=32
26[ -z "$COUNT" ] && COUNT="0" # Zero means indefinitely
27if [ -n "$DEST_IP" ]; then
28 validate_addr${IP6} $DEST_IP
29 read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
30fi
31if [ -n "$DST_PORT" ]; then
32 read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
33 validate_ports $UDP_DST_MIN $UDP_DST_MAX
34fi
35
36# General cleanup everything since last run
37[ -z "$APPEND" ] && pg_ctrl "reset"
38
39# Threads are specified with parameter -t value in $THREADS
40for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
41 dev=${DEV}@${thread}
42
43 # Add remove all other devices and add_device $dev to thread
44 [ -z "$APPEND" ] && pg_thread $thread "rem_device_all"
45 pg_thread $thread "add_device" $dev
46
47 # Base config
48 pg_set $dev "flag QUEUE_MAP_CPU"
49 pg_set $dev "count $COUNT"
50 pg_set $dev "clone_skb $CLONE_SKB"
51 pg_set $dev "pkt_size $PKT_SIZE"
52 pg_set $dev "delay $DELAY"
53 pg_set $dev "flag NO_TIMESTAMP"
54
55 # Single destination
56 pg_set $dev "dst_mac $DST_MAC"
57 pg_set $dev "dst${IP6}_min $DST_MIN"
58 pg_set $dev "dst${IP6}_max $DST_MAX"
59
60 if [ -n "$DST_PORT" ]; then
61 # Single destination port or random port range
62 pg_set $dev "flag UDPDST_RND"
63 pg_set $dev "udp_dst_min $UDP_DST_MIN"
64 pg_set $dev "udp_dst_max $UDP_DST_MAX"
65 fi
66
67 [ ! -z "$UDP_CSUM" ] && pg_set $dev "flag UDPCSUM"
68
69 # Setup source IP-addresses based on thread number
70 pg_set $dev "src_min 198.18.$((thread+1)).1"
71 pg_set $dev "src_max 198.18.$((thread+1)).1"
72
73 # Setup burst, for easy testing -b 0 disable bursting
74 # (internally in pktgen default and minimum burst=1)
75 if [[ ${BURST} -ne 0 ]]; then
76 pg_set $dev "burst $BURST"
77 else
78 info "$dev: Not using burst"
79 fi
80
81done
82
83# Run if user hits control-c
84function print_result() {
85 # Print results
86 for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
87 dev=${DEV}@${thread}
88 echo "Device: $dev"
89 cat /proc/net/pktgen/$dev | grep -A2 "Result:"
90 done
91}
92# trap keyboard interrupt (Ctrl-C)
93trap true SIGINT
94
95if [ -z "$APPEND" ]; then
96 echo "Running... ctrl^C to stop" >&2
97 pg_ctrl "start"
98
99 print_result
100else
101 echo "Append mode: config done. Do more or use 'pg_ctrl start' to run"
102fi
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3#
4# Script will generate one flow per thread (-t N)
5# - Same destination IP
6# - Fake source IPs for each flow (fixed based on thread number)
7#
8# Useful for scale testing on receiver, to see whether silo'ing flows
9# works and scales. For optimal scalability (on receiver) each
10# separate-flow should not access shared variables/data. This script
11# helps magnify any of these scaling issues by overloading the receiver.
12#
13basedir=`dirname $0`
14source ${basedir}/functions.sh
15root_check_run_with_sudo "$@"
16
17# Parameter parsing via include
18source ${basedir}/parameters.sh
19
20# Trap EXIT first
21trap_exit
22
23# Set some default params, if they didn't get set
24if [ -z "$DEST_IP" ]; then
25 [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
26fi
27[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
28[ -z "$CLONE_SKB" ] && CLONE_SKB="0"
29[ -z "$BURST" ] && BURST=32
30[ -z "$COUNT" ] && COUNT="0" # Zero means indefinitely
31if [ -n "$DEST_IP" ]; then
32 validate_addr${IP6} $DEST_IP
33 read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
34fi
35if [ -n "$DST_PORT" ]; then
36 read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
37 validate_ports $UDP_DST_MIN $UDP_DST_MAX
38fi
39
40# General cleanup everything since last run
41[ -z "$APPEND" ] && pg_ctrl "reset"
42
43# Threads are specified with parameter -t value in $THREADS
44for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
45 dev=${DEV}@${thread}
46
47 # Add remove all other devices and add_device $dev to thread
48 [ -z "$APPEND" ] && pg_thread $thread "rem_device_all"
49 pg_thread $thread "add_device" $dev
50
51 # Base config
52 pg_set $dev "flag QUEUE_MAP_CPU"
53 pg_set $dev "count $COUNT"
54 pg_set $dev "clone_skb $CLONE_SKB"
55 pg_set $dev "pkt_size $PKT_SIZE"
56 pg_set $dev "delay $DELAY"
57 pg_set $dev "flag NO_TIMESTAMP"
58
59 # Single destination
60 pg_set $dev "dst_mac $DST_MAC"
61 pg_set $dev "dst${IP6}_min $DST_MIN"
62 pg_set $dev "dst${IP6}_max $DST_MAX"
63
64 if [ -n "$DST_PORT" ]; then
65 # Single destination port or random port range
66 pg_set $dev "flag UDPDST_RND"
67 pg_set $dev "udp_dst_min $UDP_DST_MIN"
68 pg_set $dev "udp_dst_max $UDP_DST_MAX"
69 fi
70
71 [ ! -z "$UDP_CSUM" ] && pg_set $dev "flag UDPCSUM"
72
73 # Setup source IP-addresses based on thread number
74 pg_set $dev "src_min 198.18.$((thread+1)).1"
75 pg_set $dev "src_max 198.18.$((thread+1)).1"
76
77 # Setup burst, for easy testing -b 0 disable bursting
78 # (internally in pktgen default and minimum burst=1)
79 if [[ ${BURST} -ne 0 ]]; then
80 pg_set $dev "burst $BURST"
81 else
82 info "$dev: Not using burst"
83 fi
84
85done
86
87# Run if user hits control-c
88function print_result() {
89 # Print results
90 for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
91 dev=${DEV}@${thread}
92 echo "Device: $dev"
93 cat /proc/net/pktgen/$dev | grep -A2 "Result:"
94 done
95}
96# trap keyboard interrupt (Ctrl-C)
97trap true SIGINT
98
99if [ -z "$APPEND" ]; then
100 echo "Running... ctrl^C to stop" >&2
101 pg_ctrl "start"
102
103 print_result
104else
105 echo "Append mode: config done. Do more or use 'pg_ctrl start' to run"
106fi