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63 lines
1.3 KiB
63 lines
1.3 KiB
#!/bin/sh |
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# SPDX-License-Identifier: GPL-2.0 |
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# Copyright (c) 2018 Facebook |
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set -eu |
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wait_for_ip() |
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{ |
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local _i |
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echo -n "Wait for testing link-local IP to become available " |
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for _i in $(seq ${MAX_PING_TRIES}); do |
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echo -n "." |
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if $PING6 -c 1 -W 1 ff02::1%${TEST_IF} >/dev/null 2>&1; then |
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echo " OK" |
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return |
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fi |
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sleep 1 |
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done |
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echo 1>&2 "ERROR: Timeout waiting for test IP to become available." |
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exit 1 |
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} |
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setup() |
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{ |
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# Create testing interfaces not to interfere with current environment. |
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ip link add dev ${TEST_IF} type veth peer name ${TEST_IF_PEER} |
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ip link set ${TEST_IF} up |
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ip link set ${TEST_IF_PEER} up |
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wait_for_ip |
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tc qdisc add dev ${TEST_IF} clsact |
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tc filter add dev ${TEST_IF} egress bpf obj ${BPF_PROG_OBJ} \ |
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sec ${BPF_PROG_SECTION} da |
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BPF_PROG_ID=$(tc filter show dev ${TEST_IF} egress | \ |
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awk '/ id / {sub(/.* id /, "", $0); print($1)}') |
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} |
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cleanup() |
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{ |
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ip link del ${TEST_IF} 2>/dev/null || : |
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ip link del ${TEST_IF_PEER} 2>/dev/null || : |
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} |
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main() |
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{ |
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trap cleanup EXIT 2 3 6 15 |
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setup |
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${PROG} ${TEST_IF} ${BPF_PROG_ID} |
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} |
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DIR=$(dirname $0) |
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TEST_IF="test_cgid_1" |
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TEST_IF_PEER="test_cgid_2" |
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MAX_PING_TRIES=5 |
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BPF_PROG_OBJ="${DIR}/test_skb_cgroup_id_kern.o" |
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BPF_PROG_SECTION="cgroup_id_logger" |
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BPF_PROG_ID=0 |
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PROG="${DIR}/test_skb_cgroup_id_user" |
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type ping6 >/dev/null 2>&1 && PING6="ping6" || PING6="ping -6" |
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main
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