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selftests: netfilter: flowtable bridge and vlan support 

This patch adds two new tests to cover bridge and vlan support:

- Add a bridge device to the Router1 (nsr1) container and attach the
  veth0 device to the bridge. Set the IP address to the bridge device
  to exercise the bridge forwarding path.

- Add vlan encapsulation between to the bridge device in the Router1 and
  one of the sender containers (ns1).

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pablo Neira Ayuso 2021-03-24 02:30:45 +01:00 committed by David S. Miller
parent a11e7973cf
commit 79d4071ea4
1 changed files with 82 additions and 0 deletions
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82
tools/testing/selftests/netfilter/nft_flowtable.sh
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@ -371,6 +371,88 @@ else
ip netns exec nsr1 nft list ruleset
fi
# Another test:
# Add bridge interface br0 to Router1, with NAT enabled.
ip -net nsr1 link add name br0 type bridge
ip -net nsr1 addr flush dev veth0
ip -net nsr1 link set up dev veth0
ip -net nsr1 link set veth0 master br0
ip -net nsr1 addr add 10.0.1.1/24 dev br0
ip -net nsr1 addr add dead:1::1/64 dev br0
ip -net nsr1 link set up dev br0
ip netns exec nsr1 sysctl net.ipv4.conf.br0.forwarding=1 > /dev/null
# br0 with NAT enabled.
ip netns exec nsr1 nft -f - <<EOF
flush table ip nat
table ip nat {
chain prerouting {
type nat hook prerouting priority 0; policy accept;
meta iif "br0" ip daddr 10.6.6.6 tcp dport 1666 counter dnat ip to 10.0.2.99:12345
}
chain postrouting {
type nat hook postrouting priority 0; policy accept;
meta oifname "veth1" counter masquerade
}
}
EOF
if test_tcp_forwarding_nat ns1 ns2; then
echo "PASS: flow offloaded for ns1/ns2 with bridge NAT"
else
echo "FAIL: flow offload for ns1/ns2 with bridge NAT" 1>&2
ip netns exec nsr1 nft list ruleset
ret=1
fi
# Another test:
# Add bridge interface br0 to Router1, with NAT and VLAN.
ip -net nsr1 link set veth0 nomaster
ip -net nsr1 link set down dev veth0
ip -net nsr1 link add link veth0 name veth0.10 type vlan id 10
ip -net nsr1 link set up dev veth0
ip -net nsr1 link set up dev veth0.10
ip -net nsr1 link set veth0.10 master br0
ip -net ns1 addr flush dev eth0
ip -net ns1 link add link eth0 name eth0.10 type vlan id 10
ip -net ns1 link set eth0 up
ip -net ns1 link set eth0.10 up
ip -net ns1 addr add 10.0.1.99/24 dev eth0.10
ip -net ns1 route add default via 10.0.1.1
ip -net ns1 addr add dead:1::99/64 dev eth0.10
if test_tcp_forwarding_nat ns1 ns2; then
echo "PASS: flow offloaded for ns1/ns2 with bridge NAT and VLAN"
else
echo "FAIL: flow offload for ns1/ns2 with bridge NAT and VLAN" 1>&2
ip netns exec nsr1 nft list ruleset
ret=1
fi
# restore test topology (remove bridge and VLAN)
ip -net nsr1 link set veth0 nomaster
ip -net nsr1 link set veth0 down
ip -net nsr1 link set veth0.10 down
ip -net nsr1 link delete veth0.10 type vlan
ip -net nsr1 link delete br0 type bridge
ip -net ns1 addr flush dev eth0.10
ip -net ns1 link set eth0.10 down
ip -net ns1 link set eth0 down
ip -net ns1 link delete eth0.10 type vlan
# restore address in ns1 and nsr1
ip -net ns1 link set eth0 up
ip -net ns1 addr add 10.0.1.99/24 dev eth0
ip -net ns1 route add default via 10.0.1.1
ip -net ns1 addr add dead:1::99/64 dev eth0
ip -net ns1 route add default via dead:1::1
ip -net nsr1 addr add 10.0.1.1/24 dev veth0
ip -net nsr1 addr add dead:1::1/64 dev veth0
ip -net nsr1 link set up dev veth0
KEY_SHA="0x"$(ps -xaf | sha1sum | cut -d " " -f 1)
KEY_AES="0x"$(ps -xaf | md5sum | cut -d " " -f 1)
SPI1=$RANDOM