From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 samples/pktgen/pktgen_sample04_many_flows.sh | 118 +++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100755 samples/pktgen/pktgen_sample04_many_flows.sh

(limited to 'samples/pktgen/pktgen_sample04_many_flows.sh')

diff --git a/samples/pktgen/pktgen_sample04_many_flows.sh b/samples/pktgen/pktgen_sample04_many_flows.sh
new file mode 100755
index 000000000..cff51f861
--- /dev/null
+++ b/samples/pktgen/pktgen_sample04_many_flows.sh
@@ -0,0 +1,118 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Script example for many flows testing
+#
+# Number of simultaneous flows limited by variable $FLOWS
+# and number of packets per flow controlled by variable $FLOWLEN
+#
+basedir=`dirname $0`
+source ${basedir}/functions.sh
+root_check_run_with_sudo "$@"
+
+# Parameter parsing via include
+source ${basedir}/parameters.sh
+# Set some default params, if they didn't get set
+if [ -z "$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"
+[ -z "$CLONE_SKB" ] && CLONE_SKB="0"
+[ -z "$COUNT" ]     && COUNT="0" # Zero means indefinitely
+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 $UDP_DST_MAX
+fi
+
+# NOTICE:  Script specific settings
+# =======
+# Limiting the number of concurrent flows ($FLOWS)
+# and also set how many packets each flow contains ($FLOWLEN)
+#
+[ -z "$FLOWS" ]     && FLOWS="8000"
+[ -z "$FLOWLEN" ]   && FLOWLEN="10"
+
+if [[ -n "$BURST" ]]; then
+    err 1 "Bursting not supported for this mode"
+fi
+
+# 198.18.0.0 / 198.19.255.255
+read -r SRC_MIN SRC_MAX <<< $(parse_addr 198.18.0.0/15)
+
+# General cleanup everything since last run
+[ -z "$APPEND" ] && pg_ctrl "reset"
+
+# Threads are specified with parameter -t value in $THREADS
+for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
+    dev=${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
+
+    # Base config
+    pg_set $dev "flag QUEUE_MAP_CPU"
+    pg_set $dev "count $COUNT"
+    pg_set $dev "clone_skb $CLONE_SKB"
+    pg_set $dev "pkt_size $PKT_SIZE"
+    pg_set $dev "delay $DELAY"
+    pg_set $dev "flag NO_TIMESTAMP"
+
+    # Single 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"
+
+    # Randomize source IP-addresses
+    pg_set $dev "flag IPSRC_RND"
+    pg_set $dev "src_min $SRC_MIN"
+    pg_set $dev "src_max $SRC_MAX"
+
+    # Limit number of flows (max 65535)
+    pg_set $dev "flows $FLOWS"
+    #
+    # How many packets a flow will send, before flow "entry" is
+    # re-generated/setup.
+    pg_set $dev "flowlen $FLOWLEN"
+    #
+    # Flag FLOW_SEQ will cause $FLOWLEN packets from the same flow
+    # being send back-to-back, before next flow is selected
+    # incrementally.  This helps lookup caches, and is more realistic.
+    #
+    pg_set $dev "flag FLOW_SEQ"
+
+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
+    echo "Running... ctrl^C to stop" >&2
+    pg_ctrl "start"
+
+    print_result
+else
+    echo "Append mode: config done. Do more or use 'pg_ctrl start' to run"
+fi
-- 
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