selftests/net: convert icmp_redirect.sh to run it in unique namespace
Here is the test result after conversion. # ./icmp_redirect.sh ########################################################################### Legacy routing ########################################################################### TEST: IPv4: redirect exception [ OK ] ... TEST: IPv4: mtu exception plus redirect [ OK ] TEST: IPv6: mtu exception plus redirect [ OK ] Tests passed: 40 Tests failed: 0 Tests xfailed: 0 Acked-by: David Ahern <dsahern@kernel.org> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Hangbin Liu
Paolo Abeni
parent
baf37f213c
commit
c1516b3563
@ -19,6 +19,7 @@
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# Route on r1 changed to go to r2 via eth0. This causes a redirect to be sent
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# from r1 to h1 telling h1 to use r2 when talking to h2.
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source lib.sh
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VERBOSE=0
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PAUSE_ON_FAIL=no
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@ -140,11 +141,7 @@ get_linklocal()
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cleanup()
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{
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local ns
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for ns in h1 h2 r1 r2; do
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ip netns del $ns 2>/dev/null
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done
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cleanup_ns $h1 $h2 $r1 $r2
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}
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create_vrf()
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@ -171,102 +168,99 @@ setup()
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#
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# create nodes as namespaces
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#
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for ns in h1 h2 r1 r2; do
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ip netns add $ns
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ip -netns $ns li set lo up
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setup_ns h1 h2 r1 r2
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for ns in $h1 $h2 $r1 $r2; do
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if echo $ns | grep -q h[12]-; then
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ip netns exec $ns sysctl -q -w net.ipv4.conf.all.accept_redirects=1
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ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=0
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ip netns exec $ns sysctl -q -w net.ipv6.conf.all.accept_redirects=1
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ip netns exec $ns sysctl -q -w net.ipv6.conf.all.keep_addr_on_down=1
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else
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ip netns exec $ns sysctl -q -w net.ipv4.ip_forward=1
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ip netns exec $ns sysctl -q -w net.ipv4.conf.all.send_redirects=1
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ip netns exec $ns sysctl -q -w net.ipv4.conf.default.rp_filter=0
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ip netns exec $ns sysctl -q -w net.ipv4.conf.all.rp_filter=0
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case "${ns}" in
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h[12]) ip netns exec $ns sysctl -q -w net.ipv4.conf.all.accept_redirects=1
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ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=0
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ip netns exec $ns sysctl -q -w net.ipv6.conf.all.accept_redirects=1
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ip netns exec $ns sysctl -q -w net.ipv6.conf.all.keep_addr_on_down=1
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;;
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r[12]) ip netns exec $ns sysctl -q -w net.ipv4.ip_forward=1
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ip netns exec $ns sysctl -q -w net.ipv4.conf.all.send_redirects=1
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ip netns exec $ns sysctl -q -w net.ipv4.conf.default.rp_filter=0
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ip netns exec $ns sysctl -q -w net.ipv4.conf.all.rp_filter=0
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ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=1
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ip netns exec $ns sysctl -q -w net.ipv6.route.mtu_expires=10
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esac
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ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=1
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ip netns exec $ns sysctl -q -w net.ipv6.route.mtu_expires=10
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fi
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done
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#
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# create interconnects
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#
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ip -netns h1 li add eth0 type veth peer name r1h1
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ip -netns h1 li set r1h1 netns r1 name eth0 up
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ip -netns $h1 li add eth0 type veth peer name r1h1
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ip -netns $h1 li set r1h1 netns $r1 name eth0 up
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ip -netns h1 li add eth1 type veth peer name r2h1
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ip -netns h1 li set r2h1 netns r2 name eth0 up
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ip -netns $h1 li add eth1 type veth peer name r2h1
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ip -netns $h1 li set r2h1 netns $r2 name eth0 up
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ip -netns h2 li add eth0 type veth peer name r2h2
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ip -netns h2 li set eth0 up
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ip -netns h2 li set r2h2 netns r2 name eth2 up
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ip -netns $h2 li add eth0 type veth peer name r2h2
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ip -netns $h2 li set eth0 up
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ip -netns $h2 li set r2h2 netns $r2 name eth2 up
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ip -netns r1 li add eth1 type veth peer name r2r1
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ip -netns r1 li set eth1 up
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ip -netns r1 li set r2r1 netns r2 name eth1 up
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ip -netns $r1 li add eth1 type veth peer name r2r1
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ip -netns $r1 li set eth1 up
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ip -netns $r1 li set r2r1 netns $r2 name eth1 up
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#
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# h1
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#
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if [ "${WITH_VRF}" = "yes" ]; then
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create_vrf "h1"
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create_vrf "$h1"
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H1_VRF_ARG="vrf ${VRF}"
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H1_PING_ARG="-I ${VRF}"
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else
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H1_VRF_ARG=
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H1_PING_ARG=
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fi
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ip -netns h1 li add br0 type bridge
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ip -netns $h1 li add br0 type bridge
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if [ "${WITH_VRF}" = "yes" ]; then
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ip -netns h1 li set br0 vrf ${VRF} up
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ip -netns $h1 li set br0 vrf ${VRF} up
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else
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ip -netns h1 li set br0 up
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ip -netns $h1 li set br0 up
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fi
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ip -netns h1 addr add dev br0 ${H1_N1_IP}/24
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ip -netns h1 -6 addr add dev br0 ${H1_N1_IP6}/64 nodad
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ip -netns h1 li set eth0 master br0 up
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ip -netns h1 li set eth1 master br0 up
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ip -netns $h1 addr add dev br0 ${H1_N1_IP}/24
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ip -netns $h1 -6 addr add dev br0 ${H1_N1_IP6}/64 nodad
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ip -netns $h1 li set eth0 master br0 up
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ip -netns $h1 li set eth1 master br0 up
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#
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# h2
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#
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ip -netns h2 addr add dev eth0 ${H2_N2_IP}/24
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ip -netns h2 ro add default via ${R2_N2_IP} dev eth0
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ip -netns h2 -6 addr add dev eth0 ${H2_N2_IP6}/64 nodad
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ip -netns h2 -6 ro add default via ${R2_N2_IP6} dev eth0
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ip -netns $h2 addr add dev eth0 ${H2_N2_IP}/24
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ip -netns $h2 ro add default via ${R2_N2_IP} dev eth0
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ip -netns $h2 -6 addr add dev eth0 ${H2_N2_IP6}/64 nodad
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ip -netns $h2 -6 ro add default via ${R2_N2_IP6} dev eth0
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#
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# r1
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#
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ip -netns r1 addr add dev eth0 ${R1_N1_IP}/24
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ip -netns r1 -6 addr add dev eth0 ${R1_N1_IP6}/64 nodad
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ip -netns r1 addr add dev eth1 ${R1_R2_N1_IP}/30
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ip -netns r1 -6 addr add dev eth1 ${R1_R2_N1_IP6}/126 nodad
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ip -netns $r1 addr add dev eth0 ${R1_N1_IP}/24
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ip -netns $r1 -6 addr add dev eth0 ${R1_N1_IP6}/64 nodad
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ip -netns $r1 addr add dev eth1 ${R1_R2_N1_IP}/30
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ip -netns $r1 -6 addr add dev eth1 ${R1_R2_N1_IP6}/126 nodad
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#
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# r2
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#
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ip -netns r2 addr add dev eth0 ${R2_N1_IP}/24
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ip -netns r2 -6 addr add dev eth0 ${R2_N1_IP6}/64 nodad
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ip -netns r2 addr add dev eth1 ${R2_R1_N1_IP}/30
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ip -netns r2 -6 addr add dev eth1 ${R2_R1_N1_IP6}/126 nodad
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ip -netns r2 addr add dev eth2 ${R2_N2_IP}/24
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ip -netns r2 -6 addr add dev eth2 ${R2_N2_IP6}/64 nodad
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ip -netns $r2 addr add dev eth0 ${R2_N1_IP}/24
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ip -netns $r2 -6 addr add dev eth0 ${R2_N1_IP6}/64 nodad
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ip -netns $r2 addr add dev eth1 ${R2_R1_N1_IP}/30
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ip -netns $r2 -6 addr add dev eth1 ${R2_R1_N1_IP6}/126 nodad
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ip -netns $r2 addr add dev eth2 ${R2_N2_IP}/24
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ip -netns $r2 -6 addr add dev eth2 ${R2_N2_IP6}/64 nodad
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sleep 2
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R1_LLADDR=$(get_linklocal r1 eth0)
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R1_LLADDR=$(get_linklocal $r1 eth0)
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if [ $? -ne 0 ]; then
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echo "Error: Failed to get link-local address of r1's eth0"
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exit 1
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fi
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log_debug "initial gateway is R1's lladdr = ${R1_LLADDR}"
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R2_LLADDR=$(get_linklocal r2 eth0)
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R2_LLADDR=$(get_linklocal $r2 eth0)
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if [ $? -ne 0 ]; then
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echo "Error: Failed to get link-local address of r2's eth0"
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exit 1
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@ -278,8 +272,8 @@ change_h2_mtu()
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{
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local mtu=$1
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run_cmd ip -netns h2 li set eth0 mtu ${mtu}
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run_cmd ip -netns r2 li set eth2 mtu ${mtu}
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run_cmd ip -netns $h2 li set eth0 mtu ${mtu}
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run_cmd ip -netns $r2 li set eth2 mtu ${mtu}
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}
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check_exception()
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@ -291,40 +285,40 @@ check_exception()
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# From 172.16.1.101: icmp_seq=1 Redirect Host(New nexthop: 172.16.1.102)
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if [ "$VERBOSE" = "1" ]; then
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echo "Commands to check for exception:"
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run_cmd ip -netns h1 ro get ${H1_VRF_ARG} ${H2_N2_IP}
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run_cmd ip -netns h1 -6 ro get ${H1_VRF_ARG} ${H2_N2_IP6}
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run_cmd ip -netns $h1 ro get ${H1_VRF_ARG} ${H2_N2_IP}
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run_cmd ip -netns $h1 -6 ro get ${H1_VRF_ARG} ${H2_N2_IP6}
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fi
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if [ -n "${mtu}" ]; then
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mtu=" mtu ${mtu}"
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fi
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if [ "$with_redirect" = "yes" ]; then
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ip -netns h1 ro get ${H1_VRF_ARG} ${H2_N2_IP} | \
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ip -netns $h1 ro get ${H1_VRF_ARG} ${H2_N2_IP} | \
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grep -q "cache <redirected> expires [0-9]*sec${mtu}"
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elif [ -n "${mtu}" ]; then
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ip -netns h1 ro get ${H1_VRF_ARG} ${H2_N2_IP} | \
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ip -netns $h1 ro get ${H1_VRF_ARG} ${H2_N2_IP} | \
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grep -q "cache expires [0-9]*sec${mtu}"
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else
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# want to verify that neither mtu nor redirected appears in
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# the route get output. The -v will wipe out the cache line
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# if either are set so the last grep -q will not find a match
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ip -netns h1 ro get ${H1_VRF_ARG} ${H2_N2_IP} | \
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ip -netns $h1 ro get ${H1_VRF_ARG} ${H2_N2_IP} | \
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grep -E -v 'mtu|redirected' | grep -q "cache"
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fi
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log_test $? 0 "IPv4: ${desc}" 0
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# No PMTU info for test "redirect" and "mtu exception plus redirect"
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if [ "$with_redirect" = "yes" ] && [ "$desc" != "redirect exception plus mtu" ]; then
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ip -netns h1 -6 ro get ${H1_VRF_ARG} ${H2_N2_IP6} | \
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ip -netns $h1 -6 ro get ${H1_VRF_ARG} ${H2_N2_IP6} | \
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grep -v "mtu" | grep -q "${H2_N2_IP6} .*via ${R2_LLADDR} dev br0"
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elif [ -n "${mtu}" ]; then
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ip -netns h1 -6 ro get ${H1_VRF_ARG} ${H2_N2_IP6} | \
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ip -netns $h1 -6 ro get ${H1_VRF_ARG} ${H2_N2_IP6} | \
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grep -q "${mtu}"
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else
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# IPv6 is a bit harder. First strip out the match if it
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# contains an mtu exception and then look for the first
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# gateway - R1's lladdr
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ip -netns h1 -6 ro get ${H1_VRF_ARG} ${H2_N2_IP6} | \
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ip -netns $h1 -6 ro get ${H1_VRF_ARG} ${H2_N2_IP6} | \
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grep -v "mtu" | grep -q "${R1_LLADDR}"
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fi
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log_test $? 0 "IPv6: ${desc}" 1
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@ -334,21 +328,21 @@ run_ping()
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{
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local sz=$1
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run_cmd ip netns exec h1 ping -q -M want -i 0.5 -c 10 -w 2 -s ${sz} ${H1_PING_ARG} ${H2_N2_IP}
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run_cmd ip netns exec h1 ${ping6} -q -M want -i 0.5 -c 10 -w 2 -s ${sz} ${H1_PING_ARG} ${H2_N2_IP6}
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run_cmd ip netns exec $h1 ping -q -M want -i 0.5 -c 10 -w 2 -s ${sz} ${H1_PING_ARG} ${H2_N2_IP}
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run_cmd ip netns exec $h1 ${ping6} -q -M want -i 0.5 -c 10 -w 2 -s ${sz} ${H1_PING_ARG} ${H2_N2_IP6}
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}
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replace_route_new()
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{
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# r1 to h2 via r2 and eth0
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run_cmd ip -netns r1 nexthop replace id 1 via ${R2_N1_IP} dev eth0
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run_cmd ip -netns r1 nexthop replace id 2 via ${R2_LLADDR} dev eth0
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run_cmd ip -netns $r1 nexthop replace id 1 via ${R2_N1_IP} dev eth0
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run_cmd ip -netns $r1 nexthop replace id 2 via ${R2_LLADDR} dev eth0
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}
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reset_route_new()
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{
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run_cmd ip -netns r1 nexthop flush
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run_cmd ip -netns h1 nexthop flush
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run_cmd ip -netns $r1 nexthop flush
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run_cmd ip -netns $h1 nexthop flush
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initial_route_new
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}
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@ -356,34 +350,34 @@ reset_route_new()
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initial_route_new()
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{
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# r1 to h2 via r2 and eth1
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run_cmd ip -netns r1 nexthop add id 1 via ${R2_R1_N1_IP} dev eth1
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run_cmd ip -netns r1 ro add ${H2_N2} nhid 1
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run_cmd ip -netns $r1 nexthop add id 1 via ${R2_R1_N1_IP} dev eth1
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run_cmd ip -netns $r1 ro add ${H2_N2} nhid 1
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run_cmd ip -netns r1 nexthop add id 2 via ${R2_R1_N1_IP6} dev eth1
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run_cmd ip -netns r1 -6 ro add ${H2_N2_6} nhid 2
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run_cmd ip -netns $r1 nexthop add id 2 via ${R2_R1_N1_IP6} dev eth1
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run_cmd ip -netns $r1 -6 ro add ${H2_N2_6} nhid 2
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# h1 to h2 via r1
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run_cmd ip -netns h1 nexthop add id 1 via ${R1_N1_IP} dev br0
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run_cmd ip -netns h1 ro add ${H1_VRF_ARG} ${H2_N2} nhid 1
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run_cmd ip -netns $h1 nexthop add id 1 via ${R1_N1_IP} dev br0
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run_cmd ip -netns $h1 ro add ${H1_VRF_ARG} ${H2_N2} nhid 1
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run_cmd ip -netns h1 nexthop add id 2 via ${R1_LLADDR} dev br0
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run_cmd ip -netns h1 -6 ro add ${H1_VRF_ARG} ${H2_N2_6} nhid 2
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run_cmd ip -netns $h1 nexthop add id 2 via ${R1_LLADDR} dev br0
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run_cmd ip -netns $h1 -6 ro add ${H1_VRF_ARG} ${H2_N2_6} nhid 2
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}
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replace_route_legacy()
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{
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# r1 to h2 via r2 and eth0
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run_cmd ip -netns r1 ro replace ${H2_N2} via ${R2_N1_IP} dev eth0
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run_cmd ip -netns r1 -6 ro replace ${H2_N2_6} via ${R2_LLADDR} dev eth0
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run_cmd ip -netns $r1 ro replace ${H2_N2} via ${R2_N1_IP} dev eth0
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run_cmd ip -netns $r1 -6 ro replace ${H2_N2_6} via ${R2_LLADDR} dev eth0
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}
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reset_route_legacy()
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{
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run_cmd ip -netns r1 ro del ${H2_N2}
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run_cmd ip -netns r1 -6 ro del ${H2_N2_6}
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run_cmd ip -netns $r1 ro del ${H2_N2}
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run_cmd ip -netns $r1 -6 ro del ${H2_N2_6}
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run_cmd ip -netns h1 ro del ${H1_VRF_ARG} ${H2_N2}
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run_cmd ip -netns h1 -6 ro del ${H1_VRF_ARG} ${H2_N2_6}
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run_cmd ip -netns $h1 ro del ${H1_VRF_ARG} ${H2_N2}
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run_cmd ip -netns $h1 -6 ro del ${H1_VRF_ARG} ${H2_N2_6}
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initial_route_legacy
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}
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@ -391,22 +385,22 @@ reset_route_legacy()
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initial_route_legacy()
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{
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# r1 to h2 via r2 and eth1
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run_cmd ip -netns r1 ro add ${H2_N2} via ${R2_R1_N1_IP} dev eth1
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run_cmd ip -netns r1 -6 ro add ${H2_N2_6} via ${R2_R1_N1_IP6} dev eth1
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run_cmd ip -netns $r1 ro add ${H2_N2} via ${R2_R1_N1_IP} dev eth1
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run_cmd ip -netns $r1 -6 ro add ${H2_N2_6} via ${R2_R1_N1_IP6} dev eth1
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# h1 to h2 via r1
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# - IPv6 redirect only works if gateway is the LLA
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run_cmd ip -netns h1 ro add ${H1_VRF_ARG} ${H2_N2} via ${R1_N1_IP} dev br0
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run_cmd ip -netns h1 -6 ro add ${H1_VRF_ARG} ${H2_N2_6} via ${R1_LLADDR} dev br0
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run_cmd ip -netns $h1 ro add ${H1_VRF_ARG} ${H2_N2} via ${R1_N1_IP} dev br0
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run_cmd ip -netns $h1 -6 ro add ${H1_VRF_ARG} ${H2_N2_6} via ${R1_LLADDR} dev br0
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}
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check_connectivity()
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{
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local rc
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run_cmd ip netns exec h1 ping -c1 -w1 ${H1_PING_ARG} ${H2_N2_IP}
|
||||
run_cmd ip netns exec $h1 ping -c1 -w1 ${H1_PING_ARG} ${H2_N2_IP}
|
||||
rc=$?
|
||||
run_cmd ip netns exec h1 ${ping6} -c1 -w1 ${H1_PING_ARG} ${H2_N2_IP6}
|
||||
run_cmd ip netns exec $h1 ${ping6} -c1 -w1 ${H1_PING_ARG} ${H2_N2_IP6}
|
||||
[ $? -ne 0 ] && rc=$?
|
||||
|
||||
return $rc
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user