Quelle pktgen_sample04_many_flows.sh
Sprache: Shell
#!/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 ${basedir}/parameters.sh
# Trap EXIT first
trap_exit
# Set some default params, if they didn't get set if [ -z "$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
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
# 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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