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https://github.com/torvalds/linux
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a27ac53909
Each sample script sources functions.sh before parameters.sh which makes $APPEND undefined when trapping EXIT no matter in append mode or not. Due to this when sample scripts finished they always do "pgctrl reset" which resets pktgen config. So move trap to each script after sourcing parameters.sh and trap EXIT explicitly. Signed-off-by: J.J. Martzki <mars14850@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
94 lines
2.5 KiB
Bash
Executable file
94 lines
2.5 KiB
Bash
Executable file
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# Benchmark script:
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# - developed for benchmarking egress qdisc path, derived (more
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# like cut'n'pasted) from ingress benchmark script.
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#
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# Script for injecting packets into egress qdisc path of the stack
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# with pktgen "xmit_mode queue_xmit".
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#
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basedir=`dirname $0`
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source ${basedir}/functions.sh
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root_check_run_with_sudo "$@"
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# Parameter parsing via include
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source ${basedir}/parameters.sh
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# Trap EXIT first
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trap_exit
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if [ -z "$DEST_IP" ]; then
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[ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
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fi
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[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
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# Burst greater than 1 are invalid for queue_xmit mode
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if [[ -n "$BURST" ]]; then
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err 1 "Bursting not supported for this mode"
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fi
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[ -z "$COUNT" ] && COUNT="10000000" # Zero means indefinitely
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if [ -n "$DEST_IP" ]; then
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validate_addr${IP6} $DEST_IP
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read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
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fi
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if [ -n "$DST_PORT" ]; then
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read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
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validate_ports $UDP_DST_MIN $UDP_DST_MAX
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fi
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# General cleanup everything since last run
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pg_ctrl "reset"
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# Threads are specified with parameter -t value in $THREADS
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for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
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# The device name is extended with @name, using thread number to
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# make then unique, but any name will do.
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dev=${DEV}@${thread}
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# Add remove all other devices and add_device $dev to thread
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pg_thread $thread "rem_device_all"
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pg_thread $thread "add_device" $dev
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# Base config of dev
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pg_set $dev "flag QUEUE_MAP_CPU"
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pg_set $dev "count $COUNT"
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pg_set $dev "pkt_size $PKT_SIZE"
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pg_set $dev "delay $DELAY"
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pg_set $dev "flag NO_TIMESTAMP"
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# Destination
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pg_set $dev "dst_mac $DST_MAC"
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pg_set $dev "dst${IP6}_min $DST_MIN"
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pg_set $dev "dst${IP6}_max $DST_MAX"
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if [ -n "$DST_PORT" ]; then
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# Single destination port or random port range
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pg_set $dev "flag UDPDST_RND"
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pg_set $dev "udp_dst_min $UDP_DST_MIN"
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pg_set $dev "udp_dst_max $UDP_DST_MAX"
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fi
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# Inject packet into TX qdisc egress path of stack
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pg_set $dev "xmit_mode queue_xmit"
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done
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# Run if user hits control-c
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function print_result {
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# Print results
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for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
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dev=${DEV}@${thread}
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echo "Device: $dev"
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cat /proc/net/pktgen/$dev | grep -A2 "Result:"
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done
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}
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# trap keyboard interrupt (Ctrl-C)
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trap true SIGINT
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# start_run
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echo "Running... ctrl^C to stop" >&2
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pg_ctrl "start"
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echo "Done" >&2
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print_result
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