1 files changed, 107 insertions, 0 deletions
diff --git a/samples/pktgen/pktgen_sample02_multiqueue.sh b/samples/pktgen/pktgen_sample02_multiqueue.sh
new file mode 100755
index 000000000..7fa41c84c
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+++ b/samples/pktgen/pktgen_sample02_multiqueue.sh
@@ -0,0 +1,107 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# 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 ${basedir}/parameters.sh
+
+[ -z "$COUNT" ] && COUNT="100000" # Zero means indefinitely
+
+# Base Config
+[ -z "$CLONE_SKB" ] && CLONE_SKB="0"
+
+# Flow variation random source port between min and max
+UDP_SRC_MIN=9
+UDP_SRC_MAX=109
+
+# (example of setting default params in your script)
+if [ -z "$DEST_IP" ]; then
+    [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
+fi
+[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
+if [ -n "$DEST_IP" ]; then
+    validate_addr${IP6} $DEST_IP
+    read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
+fi
+if [ -n "$DST_PORT" ]; then
+    read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
+    validate_ports $UDP_DST_MIN $UDP_DST_MAX
+fi
+
+# General cleanup everything since last run
+[ -z "$APPEND" ] && pg_ctrl "reset"
+
+# Threads are specified with parameter -t value in $THREADS
+for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
+    # The device name is extended with @name, using thread number to
+    # make then unique, but any name will do.
+    dev=${DEV}@${thread}
+
+    # Add remove all other devices and add_device $dev to thread
+    [ -z "$APPEND" ] && 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 $dev "dst${IP6}_min $DST_MIN"
+    pg_set $dev "dst${IP6}_max $DST_MAX"
+
+    if [ -n "$DST_PORT" ]; then
+	# Single destination port or random port range
+	pg_set $dev "flag UDPDST_RND"
+	pg_set $dev "udp_dst_min $UDP_DST_MIN"
+	pg_set $dev "udp_dst_max $UDP_DST_MAX"
+    fi
+
+    [ ! -z "$UDP_CSUM" ] && pg_set $dev "flag UDPCSUM"
+
+    # Setup random UDP port src range
+    pg_set $dev "flag UDPSRC_RND"
+    pg_set $dev "udp_src_min $UDP_SRC_MIN"
+    pg_set $dev "udp_src_max $UDP_SRC_MAX"
+done
+
+# Run if user hits control-c
+function print_result() {
+    # Print results
+    for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
+        dev=${DEV}@${thread}
+        echo "Device: $dev"
+        cat /proc/net/pktgen/$dev | grep -A2 "Result:"
+    done
+}
+# trap keyboard interrupt (Ctrl-C)
+trap true SIGINT
+
+if [ -z "$APPEND" ]; then
+    # start_run
+    echo "Running... ctrl^C to stop" >&2
+    pg_ctrl "start"
+    echo "Done" >&2
+
+    print_result
+else
+    echo "Append mode: config done. Do more or use 'pg_ctrl start' to run"
+fi