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selftests: add rtnetlink test script
add a simple script to exercise some rtnetlink call paths, so KASAN, lockdep etc. can yell at developer before patches are sent upstream. This can be extended to also cover bond, team, vrf and the like. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Westphal
David S. Miller
parent
8caa38b56c
commit
33b01b7b4f
@ -3,7 +3,7 @@
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CFLAGS = -Wall -Wl,--no-as-needed -O2 -g
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CFLAGS += -I../../../../usr/include/
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TEST_PROGS := run_netsocktests run_afpackettests test_bpf.sh netdevice.sh
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TEST_PROGS := run_netsocktests run_afpackettests test_bpf.sh netdevice.sh rtnetlink.sh
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TEST_GEN_FILES = socket
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TEST_GEN_FILES += psock_fanout psock_tpacket
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TEST_GEN_FILES += reuseport_bpf reuseport_bpf_cpu reuseport_bpf_numa
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199
tools/testing/selftests/net/rtnetlink.sh
Executable file
199
tools/testing/selftests/net/rtnetlink.sh
Executable file
@ -0,0 +1,199 @@
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#!/bin/sh
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#
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# This test is for checking rtnetlink callpaths, and get as much coverage as possible.
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#
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# set -e
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devdummy="test-dummy0"
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ret=0
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# set global exit status, but never reset nonzero one.
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check_err()
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{
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if [ $ret -eq 0 ]; then
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ret=$1
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fi
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}
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kci_add_dummy()
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{
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ip link add name "$devdummy" type dummy
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check_err $?
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ip link set "$devdummy" up
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check_err $?
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}
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kci_del_dummy()
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{
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ip link del dev "$devdummy"
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check_err $?
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}
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# add a bridge with vlans on top
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kci_test_bridge()
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{
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devbr="test-br0"
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vlandev="testbr-vlan1"
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ret=0
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ip link add name "$devbr" type bridge
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check_err $?
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ip link set dev "$devdummy" master "$devbr"
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check_err $?
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ip link set "$devbr" up
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check_err $?
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ip link add link "$devbr" name "$vlandev" type vlan id 1
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check_err $?
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ip addr add dev "$vlandev" 10.200.7.23/30
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check_err $?
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ip -6 addr add dev "$vlandev" dead:42::1234/64
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check_err $?
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ip -d link > /dev/null
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check_err $?
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ip r s t all > /dev/null
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check_err $?
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ip -6 addr del dev "$vlandev" dead:42::1234/64
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check_err $?
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ip link del dev "$vlandev"
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check_err $?
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ip link del dev "$devbr"
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check_err $?
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if [ $ret -ne 0 ];then
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echo "FAIL: bridge setup"
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return 1
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fi
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echo "PASS: bridge setup"
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}
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kci_test_gre()
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{
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gredev=neta
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rem=10.42.42.1
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loc=10.0.0.1
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ret=0
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ip tunnel add $gredev mode gre remote $rem local $loc ttl 1
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check_err $?
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ip link set $gredev up
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check_err $?
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ip addr add 10.23.7.10 dev $gredev
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check_err $?
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ip route add 10.23.8.0/30 dev $gredev
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check_err $?
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ip addr add dev "$devdummy" 10.23.7.11/24
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check_err $?
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ip link > /dev/null
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check_err $?
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ip addr > /dev/null
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check_err $?
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ip addr del dev "$devdummy" 10.23.7.11/24
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check_err $?
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ip link del $gredev
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check_err $?
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if [ $ret -ne 0 ];then
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echo "FAIL: gre tunnel endpoint"
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return 1
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fi
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echo "PASS: gre tunnel endpoint"
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}
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# tc uses rtnetlink too, for full tc testing
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# please see tools/testing/selftests/tc-testing.
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kci_test_tc()
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{
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dev=lo
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ret=0
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tc qdisc add dev "$dev" root handle 1: htb
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check_err $?
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tc class add dev "$dev" parent 1: classid 1:10 htb rate 1mbit
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check_err $?
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tc filter add dev "$dev" parent 1:0 prio 5 handle ffe: protocol ip u32 divisor 256
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check_err $?
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tc filter add dev "$dev" parent 1:0 prio 5 handle ffd: protocol ip u32 divisor 256
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check_err $?
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tc filter add dev "$dev" parent 1:0 prio 5 handle ffc: protocol ip u32 divisor 256
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check_err $?
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tc filter add dev "$dev" protocol ip parent 1: prio 5 handle ffe:2:3 u32 ht ffe:2: match ip src 10.0.0.3 flowid 1:10
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check_err $?
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tc filter add dev "$dev" protocol ip parent 1: prio 5 handle ffe:2:2 u32 ht ffe:2: match ip src 10.0.0.2 flowid 1:10
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check_err $?
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tc filter show dev "$dev" parent 1:0 > /dev/null
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check_err $?
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tc filter del dev "$dev" protocol ip parent 1: prio 5 handle ffe:2:3 u32
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check_err $?
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tc filter show dev "$dev" parent 1:0 > /dev/null
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check_err $?
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tc qdisc del dev "$dev" root handle 1: htb
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check_err $?
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if [ $ret -ne 0 ];then
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echo "FAIL: tc htb hierarchy"
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return 1
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fi
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echo "PASS: tc htb hierarchy"
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}
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kci_test_polrouting()
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{
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ret=0
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ip rule add fwmark 1 lookup 100
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check_err $?
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ip route add local 0.0.0.0/0 dev lo table 100
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check_err $?
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ip r s t all > /dev/null
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check_err $?
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ip rule del fwmark 1 lookup 100
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check_err $?
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ip route del local 0.0.0.0/0 dev lo table 100
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check_err $?
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if [ $ret -ne 0 ];then
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echo "FAIL: policy route test"
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return 1
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fi
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echo "PASS: policy routing"
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}
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kci_test_rtnl()
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{
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kci_add_dummy
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if [ $ret -ne 0 ];then
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echo "FAIL: cannot add dummy interface"
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return 1
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fi
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kci_test_polrouting
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kci_test_tc
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kci_test_gre
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kci_test_bridge
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kci_del_dummy
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}
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#check for needed privileges
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if [ "$(id -u)" -ne 0 ];then
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echo "SKIP: Need root privileges"
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exit 0
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fi
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for x in ip tc;do
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$x -Version 2>/dev/null >/dev/null
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if [ $? -ne 0 ];then
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echo "SKIP: Could not run test without the $x tool"
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exit 0
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fi
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done
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kci_test_rtnl
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exit $ret
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