2 # SPDX-License-Identifier: GPL-2.0
4 # Script example for many flows testing
6 # Number of simultaneous flows limited by variable $FLOWS
7 # and number of packets per flow controlled by variable $FLOWLEN
10 source ${basedir}/functions.sh
11 root_check_run_with_sudo "$@"
13 # Parameter parsing via include
14 source ${basedir}/parameters.sh
15 # Set some default params, if they didn't get set
16 if [ -z "$DEST_IP" ]; then
17 [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
19 [ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
20 [ -z "$CLONE_SKB" ] && CLONE_SKB="0"
21 [ -z "$COUNT" ] && COUNT="0" # Zero means indefinitely
22 if [ -n "$DEST_IP" ]; then
23 validate_addr${IP6} $DEST_IP
24 read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
26 if [ -n "$DST_PORT" ]; then
27 read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
28 validate_ports $UDP_DST_MIN $UDP_DST_MAX
31 # NOTICE: Script specific settings
33 # Limiting the number of concurrent flows ($FLOWS)
34 # and also set how many packets each flow contains ($FLOWLEN)
36 [ -z "$FLOWS" ] && FLOWS="8000"
37 [ -z "$FLOWLEN" ] && FLOWLEN="10"
39 if [[ -n "$BURST" ]]; then
40 err 1 "Bursting not supported for this mode"
43 # 198.18.0.0 / 198.19.255.255
44 read -r SRC_MIN SRC_MAX <<< $(parse_addr 198.18.0.0/15)
46 # General cleanup everything since last run
47 [ -z "$APPEND" ] && pg_ctrl "reset"
49 # Threads are specified with parameter -t value in $THREADS
50 for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
53 # Add remove all other devices and add_device $dev to thread
54 [ -z "$APPEND" ] && pg_thread $thread "rem_device_all"
55 pg_thread $thread "add_device" $dev
58 pg_set $dev "flag QUEUE_MAP_CPU"
59 pg_set $dev "count $COUNT"
60 pg_set $dev "clone_skb $CLONE_SKB"
61 pg_set $dev "pkt_size $PKT_SIZE"
62 pg_set $dev "delay $DELAY"
63 pg_set $dev "flag NO_TIMESTAMP"
66 pg_set $dev "dst_mac $DST_MAC"
67 pg_set $dev "dst${IP6}_min $DST_MIN"
68 pg_set $dev "dst${IP6}_max $DST_MAX"
70 if [ -n "$DST_PORT" ]; then
71 # Single destination port or random port range
72 pg_set $dev "flag UDPDST_RND"
73 pg_set $dev "udp_dst_min $UDP_DST_MIN"
74 pg_set $dev "udp_dst_max $UDP_DST_MAX"
77 [ ! -z "$UDP_CSUM" ] && pg_set $dev "flag UDPCSUM"
79 # Randomize source IP-addresses
80 pg_set $dev "flag IPSRC_RND"
81 pg_set $dev "src_min $SRC_MIN"
82 pg_set $dev "src_max $SRC_MAX"
84 # Limit number of flows (max 65535)
85 pg_set $dev "flows $FLOWS"
87 # How many packets a flow will send, before flow "entry" is
89 pg_set $dev "flowlen $FLOWLEN"
91 # Flag FLOW_SEQ will cause $FLOWLEN packets from the same flow
92 # being send back-to-back, before next flow is selected
93 # incrementally. This helps lookup caches, and is more realistic.
95 pg_set $dev "flag FLOW_SEQ"
99 # Run if user hits control-c
100 function print_result() {
102 for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
105 cat /proc/net/pktgen/$dev | grep -A2 "Result:"
108 # trap keyboard interrupt (Ctrl-C)
111 if [ -z "$APPEND" ]; then
112 echo "Running... ctrl^C to stop" >&2
117 echo "Append mode: config done. Do more or use 'pg_ctrl start' to run"