Similar to IPIP, introduce specific selftest for IP6IP6 flowtable SW
acceleration in nft_flowtable.sh

Signed-off-by: Lorenzo Bianconi <[email protected]>
---
 .../selftests/net/netfilter/nft_flowtable.sh       | 62 ++++++++++++++++++----
 1 file changed, 53 insertions(+), 9 deletions(-)

diff --git a/tools/testing/selftests/net/netfilter/nft_flowtable.sh 
b/tools/testing/selftests/net/netfilter/nft_flowtable.sh
index 
24b4e60b91451e7ea7f6a041b0335233047c6242..bc98baba56c638cad35478109a3776d6d93c34a8
 100755
--- a/tools/testing/selftests/net/netfilter/nft_flowtable.sh
+++ b/tools/testing/selftests/net/netfilter/nft_flowtable.sh
@@ -590,16 +590,28 @@ ip -net "$nsr1" link set tun0 up
 ip -net "$nsr1" addr add 192.168.100.1/24 dev tun0
 ip netns exec "$nsr1" sysctl net.ipv4.conf.tun0.forwarding=1 > /dev/null
 
+ip -net "$nsr1" link add name tun6 type ip6tnl local fee1:2::1 remote fee1:2::2
+ip -net "$nsr1" link set tun6 up
+ip -net "$nsr1" addr add fee1:3::1/64 dev tun6 nodad
+
 ip -net "$nsr2" link add name tun0 type ipip local 192.168.10.2 remote 
192.168.10.1
 ip -net "$nsr2" link set tun0 up
 ip -net "$nsr2" addr add 192.168.100.2/24 dev tun0
 ip netns exec "$nsr2" sysctl net.ipv4.conf.tun0.forwarding=1 > /dev/null
 
+ip -net "$nsr2" link add name tun6 type ip6tnl local fee1:2::2 remote fee1:2::1
+ip -net "$nsr2" link set tun6 up
+ip -net "$nsr2" addr add fee1:3::2/64 dev tun6 nodad
+
 ip -net "$nsr1" route change default via 192.168.100.2
 ip -net "$nsr2" route change default via 192.168.100.1
+ip -6 -net "$nsr1" route change default via fee1:3::2
+ip -6 -net "$nsr2" route change default via fee1:3::1
 ip -net "$ns2" route add default via 10.0.2.1
+ip -6 -net "$ns2" route add default via dead:2::1
 
 ip netns exec "$nsr1" nft -a insert rule inet filter forward 'meta oif tun0 
accept'
+ip netns exec "$nsr1" nft -a insert rule inet filter forward 'meta oif tun6 
accept'
 ip netns exec "$nsr1" nft -a insert rule inet filter forward \
        'meta oif "veth0" tcp sport 12345 ct mark set 1 flow add @f1 counter 
name routed_repl accept'
 
@@ -609,28 +621,51 @@ if ! test_tcp_forwarding_nat "$ns1" "$ns2" 1 "IPIP 
tunnel"; then
        ret=1
 fi
 
+if test_tcp_forwarding "$ns1" "$ns2" 1 6 "[dead:2::99]" 12345; then
+       echo "PASS: flow offload for ns1/ns2 IP6IP6 tunnel"
+else
+       echo "FAIL: flow offload for ns1/ns2 with IP6IP6 tunnel" 1>&2
+       ip netns exec "$nsr1" nft list ruleset
+       ret=1
+fi
+
 # Create vlan tagged devices for IPIP traffic.
 ip -net "$nsr1" link add link veth1 name veth1.10 type vlan id 10
 ip -net "$nsr1" link set veth1.10 up
 ip -net "$nsr1" addr add 192.168.20.1/24 dev veth1.10
+ip -net "$nsr1" addr add fee1:4::1/64 dev veth1.10 nodad
 ip netns exec "$nsr1" sysctl net.ipv4.conf.veth1/10.forwarding=1 > /dev/null
 ip netns exec "$nsr1" nft -a insert rule inet filter forward 'meta oif 
veth1.10 accept'
-ip -net "$nsr1" link add name tun1 type ipip local 192.168.20.1 remote 
192.168.20.2
-ip -net "$nsr1" link set tun1 up
-ip -net "$nsr1" addr add 192.168.200.1/24 dev tun1
+
+ip -net "$nsr1" link add name tun0.10 type ipip local 192.168.20.1 remote 
192.168.20.2
+ip -net "$nsr1" link set tun0.10 up
+ip -net "$nsr1" addr add 192.168.200.1/24 dev tun0.10
 ip -net "$nsr1" route change default via 192.168.200.2
-ip netns exec "$nsr1" sysctl net.ipv4.conf.tun1.forwarding=1 > /dev/null
-ip netns exec "$nsr1" nft -a insert rule inet filter forward 'meta oif tun1 
accept'
+ip netns exec "$nsr1" sysctl net.ipv4.conf.tun0/10.forwarding=1 > /dev/null
+ip netns exec "$nsr1" nft -a insert rule inet filter forward 'meta oif tun0.10 
accept'
+
+ip -net "$nsr1" link add name tun6.10 type ip6tnl local fee1:4::1 remote 
fee1:4::2
+ip -net "$nsr1" link set tun6.10 up
+ip -net "$nsr1" addr add fee1:5::1/64 dev tun6.10 nodad
+ip -6 -net "$nsr1" route change default via fee1:5::2
+ip netns exec "$nsr1" nft -a insert rule inet filter forward 'meta oif tun6.10 
accept'
 
 ip -net "$nsr2" link add link veth0 name veth0.10 type vlan id 10
 ip -net "$nsr2" link set veth0.10 up
 ip -net "$nsr2" addr add 192.168.20.2/24 dev veth0.10
+ip -net "$nsr2" addr add fee1:4::2/64 dev veth0.10 nodad
 ip netns exec "$nsr2" sysctl net.ipv4.conf.veth0/10.forwarding=1 > /dev/null
-ip -net "$nsr2" link add name tun1 type ipip local 192.168.20.2 remote 
192.168.20.1
-ip -net "$nsr2" link set tun1 up
-ip -net "$nsr2" addr add 192.168.200.2/24 dev tun1
+
+ip -net "$nsr2" link add name tun0.10 type ipip local 192.168.20.2 remote 
192.168.20.1
+ip -net "$nsr2" link set tun0.10 up
+ip -net "$nsr2" addr add 192.168.200.2/24 dev tun0.10
 ip -net "$nsr2" route change default via 192.168.200.1
-ip netns exec "$nsr2" sysctl net.ipv4.conf.tun1.forwarding=1 > /dev/null
+ip netns exec "$nsr2" sysctl net.ipv4.conf.tun0/10.forwarding=1 > /dev/null
+
+ip -net "$nsr2" link add name tun6.10 type ip6tnl local fee1:4::2 remote 
fee1:4::1
+ip -net "$nsr2" link set tun6.10 up
+ip -net "$nsr2" addr add fee1:5::2/64 dev tun6.10 nodad
+ip -6 -net "$nsr2" route change default via fee1:5::1
 
 if ! test_tcp_forwarding_nat "$ns1" "$ns2" 1 "IPIP tunnel over vlan"; then
        echo "FAIL: flow offload for ns1/ns2 with IPIP tunnel over vlan" 1>&2
@@ -638,10 +673,19 @@ if ! test_tcp_forwarding_nat "$ns1" "$ns2" 1 "IPIP tunnel 
over vlan"; then
        ret=1
 fi
 
+if test_tcp_forwarding "$ns1" "$ns2" 1 6 "[dead:2::99]" 12345; then
+       echo "PASS: flow offload for ns1/ns2 IP6IP6 tunnel over vlan"
+else
+       echo "FAIL: flow offload for ns1/ns2 with IP6IP6 tunnel over vlan" 1>&2
+       ip netns exec "$nsr1" nft list ruleset
+       ret=1
+fi
+
 # Restore the previous configuration
 ip -net "$nsr1" route change default via 192.168.10.2
 ip -net "$nsr2" route change default via 192.168.10.1
 ip -net "$ns2" route del default via 10.0.2.1
+ip -6 -net "$ns2" route del default via dead:2::1
 }
 
 # Another test:

-- 
2.52.0


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