Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
80 lines
2.0 KiB
Bash
Executable File
80 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# This test ensures directed broadcast routes use dst hint mechanism
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source lib.sh
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CLIENT_IP4="192.168.0.1"
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SERVER_IP4="192.168.0.2"
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BROADCAST_ADDRESS="192.168.0.255"
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setup() {
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setup_ns CLIENT_NS SERVER_NS
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ip -net "${SERVER_NS}" link add link1 type veth peer name link0 netns "${CLIENT_NS}"
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ip -net "${CLIENT_NS}" link set link0 up
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ip -net "${CLIENT_NS}" addr add "${CLIENT_IP4}/24" dev link0
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ip -net "${SERVER_NS}" link set link1 up
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ip -net "${SERVER_NS}" addr add "${SERVER_IP4}/24" dev link1
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ip netns exec "${CLIENT_NS}" ethtool -K link0 tcp-segmentation-offload off
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ip netns exec "${SERVER_NS}" sh -c "echo 500000000 > /sys/class/net/link1/gro_flush_timeout"
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ip netns exec "${SERVER_NS}" sh -c "echo 1 > /sys/class/net/link1/napi_defer_hard_irqs"
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ip netns exec "${SERVER_NS}" ethtool -K link1 generic-receive-offload on
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}
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cleanup() {
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ip -net "${SERVER_NS}" link del link1
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cleanup_ns "${CLIENT_NS}" "${SERVER_NS}"
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}
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directed_bcast_hint_test()
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{
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local rc=0
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echo "Testing for directed broadcast route hint"
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orig_in_brd=$(ip netns exec "${SERVER_NS}" lnstat -j -i1 -c1 | jq '.in_brd')
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ip netns exec "${CLIENT_NS}" mausezahn link0 -a own -b bcast -A "${CLIENT_IP4}" \
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-B "${BROADCAST_ADDRESS}" -c1 -t tcp "sp=1-100,dp=1234,s=1,a=0" -p 5 -q
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sleep 1
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new_in_brd=$(ip netns exec "${SERVER_NS}" lnstat -j -i1 -c1 | jq '.in_brd')
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res=$(echo "${new_in_brd} - ${orig_in_brd}" | bc)
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if [ "${res}" -lt 100 ]; then
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echo "[ OK ]"
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rc="${ksft_pass}"
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else
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echo "[FAIL] expected in_brd to be under 100, got ${res}"
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rc="${ksft_fail}"
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fi
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return "${rc}"
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}
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if [ ! -x "$(command -v mausezahn)" ]; then
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echo "SKIP: Could not run test without mausezahn tool"
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exit "${ksft_skip}"
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fi
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if [ ! -x "$(command -v jq)" ]; then
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echo "SKIP: Could not run test without jq tool"
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exit "${ksft_skip}"
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fi
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if [ ! -x "$(command -v bc)" ]; then
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echo "SKIP: Could not run test without bc tool"
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exit "${ksft_skip}"
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fi
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trap cleanup EXIT
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setup
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directed_bcast_hint_test
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exit $?
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