37a38e439d
Change ifconfig with ip command, on a system where ifconfig is not used this script will not work correcly. Test result with this patchset: sudo make TARGETS="net" kselftest .... TAP version 13 1..1 timeout set to 1500 selftests: net: route_localnet.sh run arp_announce test net.ipv4.conf.veth0.route_localnet = 1 net.ipv4.conf.veth1.route_localnet = 1 net.ipv4.conf.veth0.arp_announce = 2 net.ipv4.conf.veth1.arp_announce = 2 PING 127.25.3.14 (127.25.3.14) from 127.25.3.4 veth0: 56(84) bytes of data. 64 bytes from 127.25.3.14: icmp_seq=1 ttl=64 time=0.038 ms 64 bytes from 127.25.3.14: icmp_seq=2 ttl=64 time=0.068 ms 64 bytes from 127.25.3.14: icmp_seq=3 ttl=64 time=0.068 ms 64 bytes from 127.25.3.14: icmp_seq=4 ttl=64 time=0.068 ms 64 bytes from 127.25.3.14: icmp_seq=5 ttl=64 time=0.068 ms --- 127.25.3.14 ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4073ms rtt min/avg/max/mdev = 0.038/0.062/0.068/0.012 ms ok run arp_ignore test net.ipv4.conf.veth0.route_localnet = 1 net.ipv4.conf.veth1.route_localnet = 1 net.ipv4.conf.veth0.arp_ignore = 3 net.ipv4.conf.veth1.arp_ignore = 3 PING 127.25.3.14 (127.25.3.14) from 127.25.3.4 veth0: 56(84) bytes of data. 64 bytes from 127.25.3.14: icmp_seq=1 ttl=64 time=0.032 ms 64 bytes from 127.25.3.14: icmp_seq=2 ttl=64 time=0.065 ms 64 bytes from 127.25.3.14: icmp_seq=3 ttl=64 time=0.066 ms 64 bytes from 127.25.3.14: icmp_seq=4 ttl=64 time=0.065 ms 64 bytes from 127.25.3.14: icmp_seq=5 ttl=64 time=0.065 ms --- 127.25.3.14 ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4092ms rtt min/avg/max/mdev = 0.032/0.058/0.066/0.013 ms ok ok 1 selftests: net: route_localnet.sh ... Signed-off-by: Swarup Laxman Kotiaklapudi <swarupkotikalapudi@gmail.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20231023123422.2895-1-swarupkotikalapudi@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
77 lines
1.9 KiB
Bash
Executable File
77 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# Run a couple of tests when route_localnet = 1.
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readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"
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setup() {
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ip netns add "${PEER_NS}"
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ip -netns "${PEER_NS}" link set dev lo up
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ip link add name veth0 type veth peer name veth1
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ip link set dev veth0 up
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ip link set dev veth1 netns "${PEER_NS}"
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# Enable route_localnet and delete useless route 127.0.0.0/8.
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sysctl -w net.ipv4.conf.veth0.route_localnet=1
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ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.route_localnet=1
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ip route del 127.0.0.0/8 dev lo table local
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ip netns exec "${PEER_NS}" ip route del 127.0.0.0/8 dev lo table local
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ip address add 127.25.3.4/24 dev veth0
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ip link set dev veth0 up
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ip netns exec "${PEER_NS}" ip address add 127.25.3.14/24 dev veth1
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ip netns exec "${PEER_NS}" ip link set dev veth1 up
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ip route flush cache
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ip netns exec "${PEER_NS}" ip route flush cache
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}
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cleanup() {
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ip link del veth0
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ip route add local 127.0.0.0/8 dev lo proto kernel scope host src 127.0.0.1
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local -r ns="$(ip netns list|grep $PEER_NS)"
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[ -n "$ns" ] && ip netns del $ns 2>/dev/null
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}
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# Run test when arp_announce = 2.
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run_arp_announce_test() {
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echo "run arp_announce test"
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setup
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sysctl -w net.ipv4.conf.veth0.arp_announce=2
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ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_announce=2
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ping -c5 -I veth0 127.25.3.14
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if [ $? -ne 0 ];then
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echo "failed"
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else
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echo "ok"
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fi
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cleanup
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}
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# Run test when arp_ignore = 3.
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run_arp_ignore_test() {
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echo "run arp_ignore test"
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setup
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sysctl -w net.ipv4.conf.veth0.arp_ignore=3
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ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_ignore=3
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ping -c5 -I veth0 127.25.3.14
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if [ $? -ne 0 ];then
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echo "failed"
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else
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echo "ok"
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fi
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cleanup
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}
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run_all_tests() {
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run_arp_announce_test
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run_arp_ignore_test
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}
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run_all_tests
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