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Merge branch 'Remove unused test_ipip.sh test and add missed'
Hangbin Liu says: ==================== In comment173ca26e9b("samples/bpf: add comprehensive ipip, ipip6, ip6ip6 test") we added some bpf tunnel tests. In commit933a741e3b("selftests/bpf: bpf tunnel test.") when we moved it to the current folder, we missed some points: 1. ip6ip6 test is not added 2. forgot to remove test_ipip.sh in sample folder 3. TCP test code is not removed in test_tunnel_kern.c In this patch set I add back ip6ip6 test and remove unused code. I'm not sure if this should be net or net-next, so just set to net. Here is the test result: ``` Testing IP6IP6 tunnel... PING ::11(::11) 56 data bytes --- ::11 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 63ms rtt min/avg/max/mdev = 0.014/1028.308/2060.906/841.361 ms, pipe 2 PING 1::11(1::11) 56 data bytes --- 1::11 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 48ms rtt min/avg/max/mdev = 0.026/0.029/0.036/0.006 ms PING 1::22(1::22) 56 data bytes --- 1::22 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 47ms rtt min/avg/max/mdev = 0.030/0.048/0.067/0.016 ms PASS: ip6ip6tnl ``` v3: Add back ICMP check as Martin suggested. v2: Keep ip6ip6 section in test_tunnel_kern.c. ==================== Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Alexei Starovoitov
commit
9600d623db
3 changed files with 46 additions and 218 deletions
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@ -1,179 +0,0 @@
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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function config_device {
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ip netns add at_ns0
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ip netns add at_ns1
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ip netns add at_ns2
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ip link add veth0 type veth peer name veth0b
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ip link add veth1 type veth peer name veth1b
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ip link add veth2 type veth peer name veth2b
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ip link set veth0b up
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ip link set veth1b up
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ip link set veth2b up
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ip link set dev veth0b mtu 1500
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ip link set dev veth1b mtu 1500
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ip link set dev veth2b mtu 1500
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ip link set veth0 netns at_ns0
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ip link set veth1 netns at_ns1
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ip link set veth2 netns at_ns2
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ip netns exec at_ns0 ip addr add 172.16.1.100/24 dev veth0
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ip netns exec at_ns0 ip addr add 2401:db00::1/64 dev veth0 nodad
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ip netns exec at_ns0 ip link set dev veth0 up
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ip netns exec at_ns1 ip addr add 172.16.1.101/24 dev veth1
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ip netns exec at_ns1 ip addr add 2401:db00::2/64 dev veth1 nodad
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ip netns exec at_ns1 ip link set dev veth1 up
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ip netns exec at_ns2 ip addr add 172.16.1.200/24 dev veth2
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ip netns exec at_ns2 ip addr add 2401:db00::3/64 dev veth2 nodad
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ip netns exec at_ns2 ip link set dev veth2 up
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ip link add br0 type bridge
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ip link set br0 up
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ip link set dev br0 mtu 1500
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ip link set veth0b master br0
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ip link set veth1b master br0
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ip link set veth2b master br0
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}
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function add_ipip_tunnel {
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ip netns exec at_ns0 \
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ip link add dev $DEV_NS type ipip local 172.16.1.100 remote 172.16.1.200
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ip netns exec at_ns0 ip link set dev $DEV_NS up
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ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
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ip netns exec at_ns1 \
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ip link add dev $DEV_NS type ipip local 172.16.1.101 remote 172.16.1.200
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ip netns exec at_ns1 ip link set dev $DEV_NS up
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# same inner IP address in at_ns0 and at_ns1
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ip netns exec at_ns1 ip addr add dev $DEV_NS 10.1.1.100/24
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ip netns exec at_ns2 ip link add dev $DEV type ipip external
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ip netns exec at_ns2 ip link set dev $DEV up
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ip netns exec at_ns2 ip addr add dev $DEV 10.1.1.200/24
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}
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function add_ipip6_tunnel {
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ip netns exec at_ns0 \
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ip link add dev $DEV_NS type ip6tnl mode ipip6 local 2401:db00::1/64 remote 2401:db00::3/64
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ip netns exec at_ns0 ip link set dev $DEV_NS up
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ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
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ip netns exec at_ns1 \
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ip link add dev $DEV_NS type ip6tnl mode ipip6 local 2401:db00::2/64 remote 2401:db00::3/64
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ip netns exec at_ns1 ip link set dev $DEV_NS up
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# same inner IP address in at_ns0 and at_ns1
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ip netns exec at_ns1 ip addr add dev $DEV_NS 10.1.1.100/24
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ip netns exec at_ns2 ip link add dev $DEV type ip6tnl mode ipip6 external
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ip netns exec at_ns2 ip link set dev $DEV up
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ip netns exec at_ns2 ip addr add dev $DEV 10.1.1.200/24
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}
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function add_ip6ip6_tunnel {
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ip netns exec at_ns0 \
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ip link add dev $DEV_NS type ip6tnl mode ip6ip6 local 2401:db00::1/64 remote 2401:db00::3/64
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ip netns exec at_ns0 ip link set dev $DEV_NS up
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ip netns exec at_ns0 ip addr add dev $DEV_NS 2601:646::1/64
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ip netns exec at_ns1 \
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ip link add dev $DEV_NS type ip6tnl mode ip6ip6 local 2401:db00::2/64 remote 2401:db00::3/64
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ip netns exec at_ns1 ip link set dev $DEV_NS up
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# same inner IP address in at_ns0 and at_ns1
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ip netns exec at_ns1 ip addr add dev $DEV_NS 2601:646::1/64
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ip netns exec at_ns2 ip link add dev $DEV type ip6tnl mode ip6ip6 external
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ip netns exec at_ns2 ip link set dev $DEV up
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ip netns exec at_ns2 ip addr add dev $DEV 2601:646::2/64
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}
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function attach_bpf {
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DEV=$1
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SET_TUNNEL=$2
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GET_TUNNEL=$3
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ip netns exec at_ns2 tc qdisc add dev $DEV clsact
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ip netns exec at_ns2 tc filter add dev $DEV egress bpf da obj tcbpf2_kern.o sec $SET_TUNNEL
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ip netns exec at_ns2 tc filter add dev $DEV ingress bpf da obj tcbpf2_kern.o sec $GET_TUNNEL
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}
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function test_ipip {
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DEV_NS=ipip_std
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DEV=ipip_bpf
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config_device
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# tcpdump -nei br0 &
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cat /sys/kernel/debug/tracing/trace_pipe &
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add_ipip_tunnel
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attach_bpf $DEV ipip_set_tunnel ipip_get_tunnel
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ip netns exec at_ns0 ping -c 1 10.1.1.200
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ip netns exec at_ns2 ping -c 1 10.1.1.100
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ip netns exec at_ns0 iperf -sD -p 5200 > /dev/null
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ip netns exec at_ns1 iperf -sD -p 5201 > /dev/null
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sleep 0.2
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# tcp check _same_ IP over different tunnels
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ip netns exec at_ns2 iperf -c 10.1.1.100 -n 5k -p 5200
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ip netns exec at_ns2 iperf -c 10.1.1.100 -n 5k -p 5201
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cleanup
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}
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# IPv4 over IPv6 tunnel
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function test_ipip6 {
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DEV_NS=ipip_std
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DEV=ipip_bpf
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config_device
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# tcpdump -nei br0 &
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cat /sys/kernel/debug/tracing/trace_pipe &
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add_ipip6_tunnel
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attach_bpf $DEV ipip6_set_tunnel ipip6_get_tunnel
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ip netns exec at_ns0 ping -c 1 10.1.1.200
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ip netns exec at_ns2 ping -c 1 10.1.1.100
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ip netns exec at_ns0 iperf -sD -p 5200 > /dev/null
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ip netns exec at_ns1 iperf -sD -p 5201 > /dev/null
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sleep 0.2
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# tcp check _same_ IP over different tunnels
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ip netns exec at_ns2 iperf -c 10.1.1.100 -n 5k -p 5200
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ip netns exec at_ns2 iperf -c 10.1.1.100 -n 5k -p 5201
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cleanup
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}
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# IPv6 over IPv6 tunnel
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function test_ip6ip6 {
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DEV_NS=ipip_std
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DEV=ipip_bpf
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config_device
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# tcpdump -nei br0 &
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cat /sys/kernel/debug/tracing/trace_pipe &
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add_ip6ip6_tunnel
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attach_bpf $DEV ip6ip6_set_tunnel ip6ip6_get_tunnel
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ip netns exec at_ns0 ping -6 -c 1 2601:646::2
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ip netns exec at_ns2 ping -6 -c 1 2601:646::1
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ip netns exec at_ns0 iperf -6sD -p 5200 > /dev/null
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ip netns exec at_ns1 iperf -6sD -p 5201 > /dev/null
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sleep 0.2
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# tcp check _same_ IP over different tunnels
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ip netns exec at_ns2 iperf -6c 2601:646::1 -n 5k -p 5200
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ip netns exec at_ns2 iperf -6c 2601:646::1 -n 5k -p 5201
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cleanup
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}
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function cleanup {
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set +ex
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pkill iperf
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ip netns delete at_ns0
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ip netns delete at_ns1
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ip netns delete at_ns2
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ip link del veth0
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ip link del veth1
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ip link del veth2
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ip link del br0
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pkill tcpdump
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pkill cat
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set -ex
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}
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cleanup
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echo "Testing IP tunnels..."
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test_ipip
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test_ipip6
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test_ip6ip6
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echo "*** PASS ***"
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@ -15,7 +15,6 @@
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#include <linux/ip.h>
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#include <linux/ipv6.h>
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#include <linux/types.h>
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#include <linux/tcp.h>
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#include <linux/socket.h>
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#include <linux/pkt_cls.h>
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#include <linux/erspan.h>
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@ -528,12 +527,11 @@ int _ipip_set_tunnel(struct __sk_buff *skb)
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struct bpf_tunnel_key key = {};
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void *data = (void *)(long)skb->data;
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struct iphdr *iph = data;
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struct tcphdr *tcp = data + sizeof(*iph);
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void *data_end = (void *)(long)skb->data_end;
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int ret;
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/* single length check */
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if (data + sizeof(*iph) + sizeof(*tcp) > data_end) {
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if (data + sizeof(*iph) > data_end) {
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ERROR(1);
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return TC_ACT_SHOT;
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}
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@ -541,16 +539,6 @@ int _ipip_set_tunnel(struct __sk_buff *skb)
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key.tunnel_ttl = 64;
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if (iph->protocol == IPPROTO_ICMP) {
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key.remote_ipv4 = 0xac100164; /* 172.16.1.100 */
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} else {
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if (iph->protocol != IPPROTO_TCP || iph->ihl != 5)
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return TC_ACT_SHOT;
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if (tcp->dest == bpf_htons(5200))
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key.remote_ipv4 = 0xac100164; /* 172.16.1.100 */
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else if (tcp->dest == bpf_htons(5201))
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key.remote_ipv4 = 0xac100165; /* 172.16.1.101 */
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else
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return TC_ACT_SHOT;
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}
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ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key), 0);
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@ -585,19 +573,20 @@ int _ipip6_set_tunnel(struct __sk_buff *skb)
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struct bpf_tunnel_key key = {};
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void *data = (void *)(long)skb->data;
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struct iphdr *iph = data;
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struct tcphdr *tcp = data + sizeof(*iph);
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void *data_end = (void *)(long)skb->data_end;
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int ret;
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/* single length check */
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if (data + sizeof(*iph) + sizeof(*tcp) > data_end) {
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if (data + sizeof(*iph) > data_end) {
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ERROR(1);
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return TC_ACT_SHOT;
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}
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__builtin_memset(&key, 0x0, sizeof(key));
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key.remote_ipv6[3] = bpf_htonl(0x11); /* ::11 */
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key.tunnel_ttl = 64;
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if (iph->protocol == IPPROTO_ICMP) {
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key.remote_ipv6[3] = bpf_htonl(0x11); /* ::11 */
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}
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ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
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BPF_F_TUNINFO_IPV6);
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@ -634,35 +623,18 @@ int _ip6ip6_set_tunnel(struct __sk_buff *skb)
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struct bpf_tunnel_key key = {};
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void *data = (void *)(long)skb->data;
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struct ipv6hdr *iph = data;
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struct tcphdr *tcp = data + sizeof(*iph);
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void *data_end = (void *)(long)skb->data_end;
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int ret;
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/* single length check */
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if (data + sizeof(*iph) + sizeof(*tcp) > data_end) {
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if (data + sizeof(*iph) > data_end) {
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ERROR(1);
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return TC_ACT_SHOT;
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}
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key.remote_ipv6[0] = bpf_htonl(0x2401db00);
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key.tunnel_ttl = 64;
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if (iph->nexthdr == 58 /* NEXTHDR_ICMP */) {
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key.remote_ipv6[3] = bpf_htonl(1);
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} else {
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if (iph->nexthdr != 6 /* NEXTHDR_TCP */) {
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ERROR(iph->nexthdr);
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return TC_ACT_SHOT;
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}
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if (tcp->dest == bpf_htons(5200)) {
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key.remote_ipv6[3] = bpf_htonl(1);
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} else if (tcp->dest == bpf_htons(5201)) {
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key.remote_ipv6[3] = bpf_htonl(2);
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} else {
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ERROR(tcp->dest);
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return TC_ACT_SHOT;
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}
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key.remote_ipv6[3] = bpf_htonl(0x11); /* ::11 */
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}
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ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
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@ -24,12 +24,12 @@
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# Root namespace with metadata-mode tunnel + BPF
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# Device names and addresses:
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# veth1 IP: 172.16.1.200, IPv6: 00::22 (underlay)
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# tunnel dev <type>11, ex: gre11, IPv4: 10.1.1.200 (overlay)
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# tunnel dev <type>11, ex: gre11, IPv4: 10.1.1.200, IPv6: 1::22 (overlay)
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#
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# Namespace at_ns0 with native tunnel
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# Device names and addresses:
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# veth0 IPv4: 172.16.1.100, IPv6: 00::11 (underlay)
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# tunnel dev <type>00, ex: gre00, IPv4: 10.1.1.100 (overlay)
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# tunnel dev <type>00, ex: gre00, IPv4: 10.1.1.100, IPv6: 1::11 (overlay)
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#
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#
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# End-to-end ping packet flow
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@ -250,7 +250,7 @@ add_ipip_tunnel()
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ip addr add dev $DEV 10.1.1.200/24
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}
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add_ipip6tnl_tunnel()
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add_ip6tnl_tunnel()
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{
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ip netns exec at_ns0 ip addr add ::11/96 dev veth0
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ip netns exec at_ns0 ip link set dev veth0 up
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@ -262,11 +262,13 @@ add_ipip6tnl_tunnel()
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ip link add dev $DEV_NS type $TYPE \
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local ::11 remote ::22
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ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
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ip netns exec at_ns0 ip addr add dev $DEV_NS 1::11/96
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ip netns exec at_ns0 ip link set dev $DEV_NS up
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# root namespace
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ip link add dev $DEV type $TYPE external
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ip addr add dev $DEV 10.1.1.200/24
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ip addr add dev $DEV 1::22/96
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ip link set dev $DEV up
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}
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||||
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@ -534,7 +536,7 @@ test_ipip6()
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check $TYPE
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config_device
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add_ipip6tnl_tunnel
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add_ip6tnl_tunnel
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ip link set dev veth1 mtu 1500
|
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attach_bpf $DEV ipip6_set_tunnel ipip6_get_tunnel
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# underlay
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||||
|
|
@ -553,6 +555,34 @@ test_ipip6()
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echo -e ${GREEN}"PASS: $TYPE"${NC}
|
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}
|
||||
|
||||
test_ip6ip6()
|
||||
{
|
||||
TYPE=ip6tnl
|
||||
DEV_NS=ip6ip6tnl00
|
||||
DEV=ip6ip6tnl11
|
||||
ret=0
|
||||
|
||||
check $TYPE
|
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config_device
|
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add_ip6tnl_tunnel
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ip link set dev veth1 mtu 1500
|
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attach_bpf $DEV ip6ip6_set_tunnel ip6ip6_get_tunnel
|
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# underlay
|
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ping6 $PING_ARG ::11
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# ip6 over ip6
|
||||
ping6 $PING_ARG 1::11
|
||||
check_err $?
|
||||
ip netns exec at_ns0 ping6 $PING_ARG 1::22
|
||||
check_err $?
|
||||
cleanup
|
||||
|
||||
if [ $ret -ne 0 ]; then
|
||||
echo -e ${RED}"FAIL: ip6$TYPE"${NC}
|
||||
return 1
|
||||
fi
|
||||
echo -e ${GREEN}"PASS: ip6$TYPE"${NC}
|
||||
}
|
||||
|
||||
setup_xfrm_tunnel()
|
||||
{
|
||||
auth=0x$(printf '1%.0s' {1..40})
|
||||
|
|
@ -646,6 +676,7 @@ cleanup()
|
|||
ip link del veth1 2> /dev/null
|
||||
ip link del ipip11 2> /dev/null
|
||||
ip link del ipip6tnl11 2> /dev/null
|
||||
ip link del ip6ip6tnl11 2> /dev/null
|
||||
ip link del gretap11 2> /dev/null
|
||||
ip link del ip6gre11 2> /dev/null
|
||||
ip link del ip6gretap11 2> /dev/null
|
||||
|
|
@ -742,6 +773,10 @@ bpf_tunnel_test()
|
|||
test_ipip6
|
||||
errors=$(( $errors + $? ))
|
||||
|
||||
echo "Testing IP6IP6 tunnel..."
|
||||
test_ip6ip6
|
||||
errors=$(( $errors + $? ))
|
||||
|
||||
echo "Testing IPSec tunnel..."
|
||||
test_xfrm_tunnel
|
||||
errors=$(( $errors + $? ))
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue