The old scripts:
pktgen.conf-1-2 # 1 CPU 2 dev
-pktgen.conf-2-1 # 2 CPU's 1 dev
-pktgen.conf-2-2 # 2 CPU's 2 dev
pktgen.conf-1-1-rdos # 1 CPU 1 dev w. route DoS
pktgen.conf-1-1-ip6 # 1 CPU 1 dev ipv6
pktgen.conf-1-1-ip6-rdos # 1 CPU 1 dev ipv6 w. route DoS
+++ /dev/null
-#!/bin/bash
-
-#modprobe pktgen
-
-
-function pgset() {
- local result
-
- echo $1 > $PGDEV
-
- result=`cat $PGDEV | fgrep "Result: OK:"`
- if [ "$result" = "" ]; then
- cat $PGDEV | fgrep Result:
- fi
-}
-
-# Config Start Here -----------------------------------------------------------
-
-
-# thread config
-# Each CPU has its own thread. Two CPU example. We add eth1 to the first
-# and leave the second idle.
-
-PGDEV=/proc/net/pktgen/kpktgend_0
- echo "Removing all devices"
- pgset "rem_device_all"
- echo "Adding eth1"
- pgset "add_device eth1"
-
-# We need to remove old config since we dont use this thread. We can only
-# one NIC on one CPU due to affinity reasons.
-
-PGDEV=/proc/net/pktgen/kpktgend_1
- echo "Removing all devices"
- pgset "rem_device_all"
-
-# device config
-# delay 0 means maximum speed.
-
-CLONE_SKB="clone_skb 1000000"
-# NIC adds 4 bytes CRC
-PKT_SIZE="pkt_size 60"
-
-# COUNT 0 means forever
-#COUNT="count 0"
-COUNT="count 10000000"
-DELAY="delay 0"
-
-PGDEV=/proc/net/pktgen/eth1
- echo "Configuring $PGDEV"
- pgset "$COUNT"
- pgset "$CLONE_SKB"
- pgset "$PKT_SIZE"
- pgset "$DELAY"
- pgset "dst 10.10.11.2"
- pgset "dst_mac 00:04:23:08:91:dc"
-
-
-# Time to run
-PGDEV=/proc/net/pktgen/pgctrl
-
- echo "Running... ctrl^C to stop"
- trap true INT
- pgset "start"
- echo "Done"
- cat /proc/net/pktgen/eth1
+++ /dev/null
-#!/bin/bash
-
-#modprobe pktgen
-
-
-function pgset() {
- local result
-
- echo $1 > $PGDEV
-
- result=`cat $PGDEV | fgrep "Result: OK:"`
- if [ "$result" = "" ]; then
- cat $PGDEV | fgrep Result:
- fi
-}
-
-# Config Start Here -----------------------------------------------------------
-
-
-# thread config
-# Each CPU has its own thread. Two CPU example. We add eth1, eth2 respectively.
-
-PGDEV=/proc/net/pktgen/kpktgend_0
- echo "Removing all devices"
- pgset "rem_device_all"
- echo "Adding eth1"
- pgset "add_device eth1"
-
-PGDEV=/proc/net/pktgen/kpktgend_1
- echo "Removing all devices"
- pgset "rem_device_all"
- echo "Adding eth2"
- pgset "add_device eth2"
-
-
-# device config
-# delay 0 means maximum speed.
-
-CLONE_SKB="clone_skb 1000000"
-# NIC adds 4 bytes CRC
-PKT_SIZE="pkt_size 60"
-
-# COUNT 0 means forever
-#COUNT="count 0"
-COUNT="count 10000000"
-DELAY="delay 0"
-
-PGDEV=/proc/net/pktgen/eth1
- echo "Configuring $PGDEV"
- pgset "$COUNT"
- pgset "$CLONE_SKB"
- pgset "$PKT_SIZE"
- pgset "$DELAY"
- pgset "dst 10.10.11.2"
- pgset "dst_mac 00:04:23:08:91:dc"
-
-PGDEV=/proc/net/pktgen/eth2
- echo "Configuring $PGDEV"
- pgset "$COUNT"
- pgset "$CLONE_SKB"
- pgset "$PKT_SIZE"
- pgset "$DELAY"
- pgset "dst 192.168.2.2"
- pgset "dst_mac 00:04:23:08:91:de"
-
-# Time to run
-PGDEV=/proc/net/pktgen/pgctrl
-
- echo "Running... ctrl^C to stop"
- trap true INT
- pgset "start"
- echo "Done"
- cat /proc/net/pktgen/eth1 /proc/net/pktgen/eth2
--- /dev/null
+#!/bin/bash
+#
+# Multiqueue: Using pktgen threads for sending on multiple CPUs
+# * adding devices to kernel threads
+# * notice the naming scheme for keeping device names unique
+# * nameing scheme: dev@thread_number
+# * flow variation via random UDP source port
+#
+basedir=`dirname $0`
+source ${basedir}/functions.sh
+root_check_run_with_sudo "$@"
+#
+# Required param: -i dev in $DEV
+source ${basedir}/parameters.sh
+
+# Base Config
+DELAY="0" # Zero means max speed
+COUNT="100000" # Zero means indefinitely
+[ -z "$CLONE_SKB" ] && CLONE_SKB="0"
+
+# Flow variation random source port between min and max
+UDP_MIN=9
+UDP_MAX=109
+
+# (example of setting default params in your script)
+[ -z "$DEST_IP" ] && DEST_IP="198.18.0.42"
+[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
+
+# General cleanup everything since last run
+pg_ctrl "reset"
+
+# Threads are specified with parameter -t value in $THREADS
+for ((thread = 0; thread < $THREADS; thread++)); do
+ # The device name is extended with @name, using thread number to
+ # make then unique, but any name will do.
+ dev=${DEV}@${thread}
+
+ # Add remove all other devices and add_device $dev to thread
+ pg_thread $thread "rem_device_all"
+ pg_thread $thread "add_device" $dev
+
+ # Notice config queue to map to cpu (mirrors smp_processor_id())
+ # It is beneficial to map IRQ /proc/irq/*/smp_affinity 1:1 to CPU number
+ pg_set $dev "flag QUEUE_MAP_CPU"
+
+ # Base config of dev
+ pg_set $dev "count $COUNT"
+ pg_set $dev "clone_skb $CLONE_SKB"
+ pg_set $dev "pkt_size $PKT_SIZE"
+ pg_set $dev "delay $DELAY"
+
+ # Flag example disabling timestamping
+ pg_set $dev "flag NO_TIMESTAMP"
+
+ # Destination
+ pg_set $dev "dst_mac $DST_MAC"
+ pg_set $dev "dst $DEST_IP"
+
+ # Setup random UDP port src range
+ pg_set $dev "flag UDPSRC_RND"
+ pg_set $dev "udp_src_min $UDP_MIN"
+ pg_set $dev "udp_src_max $UDP_MAX"
+done
+
+# start_run
+echo "Running... ctrl^C to stop" >&2
+pg_ctrl "start"
+echo "Done" >&2
+
+# Print results
+for ((thread = 0; thread < $THREADS; thread++)); do
+ dev=${DEV}@${thread}
+ echo "Device: $dev"
+ cat /proc/net/pktgen/$dev | grep -A2 "Result:"
+done
projects / linux-beck.git / commitdiff