#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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ALL_TESTS="
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ping_ipv4
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ecn_test
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ecn_nodrop_test
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red_test
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mc_backlog_test
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red_mirror_test
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red_trap_test
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"
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: ${QDISC:=ets}
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source sch_red_core.sh
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# do_ecn_test first build 2/3 of the requested backlog and expects no marking,
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# and then builds 3/2 of it and does expect marking. The values of $BACKLOG1 and
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# $BACKLOG2 are far enough not to overlap, so that we can assume that if we do
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# see (do not see) marking, it is actually due to the configuration of that one
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# TC, and not due to configuration of the other TC leaking over.
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BACKLOG1=200000
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BACKLOG2=500000
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install_qdisc()
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{
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local -a args=("$@")
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tc qdisc add dev $swp3 root handle 10: $QDISC \
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bands 8 priomap 7 6 5 4 3 2 1 0
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tc qdisc add dev $swp3 parent 10:8 handle 108: red \
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limit 1000000 min $BACKLOG1 max $((BACKLOG1 + 1)) \
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probability 1.0 avpkt 8000 burst 38 "${args[@]}"
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tc qdisc add dev $swp3 parent 10:7 handle 107: red \
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limit 1000000 min $BACKLOG2 max $((BACKLOG2 + 1)) \
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probability 1.0 avpkt 8000 burst 63 "${args[@]}"
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sleep 1
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}
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uninstall_qdisc()
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{
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tc qdisc del dev $swp3 parent 10:7
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tc qdisc del dev $swp3 parent 10:8
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tc qdisc del dev $swp3 root
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}
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ecn_test()
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{
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install_qdisc ecn
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do_ecn_test 10 $BACKLOG1
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do_ecn_test 11 $BACKLOG2
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uninstall_qdisc
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}
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ecn_nodrop_test()
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{
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install_qdisc ecn nodrop
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do_ecn_nodrop_test 10 $BACKLOG1
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do_ecn_nodrop_test 11 $BACKLOG2
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uninstall_qdisc
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}
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red_test()
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{
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install_qdisc
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do_red_test 10 $BACKLOG1
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do_red_test 11 $BACKLOG2
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uninstall_qdisc
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}
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mc_backlog_test()
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{
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install_qdisc
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# Note that the backlog numbers here do not correspond to RED
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# configuration, but are arbitrary.
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do_mc_backlog_test 10 $BACKLOG1
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do_mc_backlog_test 11 $BACKLOG2
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uninstall_qdisc
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}
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red_mirror_test()
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{
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install_qdisc qevent early_drop block 10
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do_drop_mirror_test 10 $BACKLOG1 early_drop
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do_drop_mirror_test 11 $BACKLOG2 early_drop
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uninstall_qdisc
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}
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red_trap_test()
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{
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install_qdisc qevent early_drop block 10
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do_drop_trap_test 10 $BACKLOG1 early_drop
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do_drop_trap_test 11 $BACKLOG2 early_drop
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uninstall_qdisc
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}
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trap cleanup EXIT
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setup_prepare
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setup_wait
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bail_on_lldpad
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tests_run
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exit $EXIT_STATUS
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