[PATCH nft] tests: shell: add packetpath test for meta ibrhwdr

[Fernando Fernandez Mancera <fmancera@suse.de>]

The test checks that the packets are processed by the bridge device and
not forwarded.

Signed-off-by: Fernando Fernandez Mancera <fmancera@suse.de>
---
Please keep on mind that this requires:
* https://lore.kernel.org/netfilter-devel/20250902113529.5456-1-fmancera@suse.de/
* https://lore.kernel.org/netfilter-devel/20250902113216.5275-1-fmancera@suse.de/
---
 tests/shell/features/meta_ibrhwdr.nft         |  8 ++
 .../shell/testcases/packetpath/bridge_pass_up | 83 +++++++++++++++++++
 2 files changed, 91 insertions(+)
 create mode 100644 tests/shell/features/meta_ibrhwdr.nft
 create mode 100755 tests/shell/testcases/packetpath/bridge_pass_up

diff --git a/tests/shell/features/meta_ibrhwdr.nft b/tests/shell/features/meta_ibrhwdr.nft
new file mode 100644
index 00000000..ba9b3431
--- /dev/null
+++ b/tests/shell/features/meta_ibrhwdr.nft
@@ -0,0 +1,8 @@
+# cbd2257dc96e ("netfilter: nft_meta_bridge: introduce NFT_META_BRI_IIFHWADDR support")
+# v6.16-rc2-16052-gcbd2257dc96e
+table bridge nat {
+	chain PREROUTING {
+		type filter hook prerouting priority 0; policy accept;
+		ether daddr set meta ibrhwdr
+	}
+}
diff --git a/tests/shell/testcases/packetpath/bridge_pass_up b/tests/shell/testcases/packetpath/bridge_pass_up
new file mode 100755
index 00000000..f83d6159
--- /dev/null
+++ b/tests/shell/testcases/packetpath/bridge_pass_up
@@ -0,0 +1,83 @@
+#!/bin/bash
+
+# NFT_TEST_REQUIRES(NFT_TEST_HAVE_meta_ibrhwdr)
+
+rnd=$(mktemp -u XXXXXXXX)
+ns1="nft1ifname-$rnd"
+ns2="nft2ifname-$rnd"
+ns3="nft3ifname-$rnd"
+
+cleanup()
+{
+	ip netns del "$ns1"
+	ip netns del "$ns2"
+	ip netns del "$ns3"
+}
+
+trap cleanup EXIT
+
+set -e
+
+ip netns add "$ns1"
+ip netns add "$ns2"
+ip netns add "$ns3"
+
+ip link add veth0 netns $ns1 type veth peer name veth0 netns $ns2
+ip link add veth1 netns $ns3 type veth peer name veth1 netns $ns2
+ip link add br0 netns $ns2 type bridge
+
+ip -net "$ns1" link set veth0 addr da:d3:00:01:02:03
+ip -net "$ns3" link set veth1 addr de:ad:00:00:be:ef
+
+ip -net "$ns2" link set veth0 master br0
+ip -net "$ns2" link set veth1 master br0
+
+ip -net "$ns1" link set veth0 up
+ip -net "$ns2" link set veth0 up
+ip -net "$ns3" link set veth1 up
+ip -net "$ns2" link set veth1 up
+ip -net "$ns2" link set br0 up
+
+ip -net "$ns1" addr add 10.1.1.10/24 dev veth0
+ip -net "$ns3" addr add 10.1.1.20/24 dev veth1
+
+ip netns exec "$ns2" $NFT -f /dev/stdin <<"EOF"
+table bridge nat {
+	chain PREROUTING {
+		type filter hook prerouting priority 0; policy accept;
+		ether daddr de:ad:00:00:be:ef meta pkttype set host ether daddr set meta ibrhwdr
+	}
+}
+
+table bridge process {
+	chain INPUT {
+		type filter hook input priority 0; policy accept;
+		ip protocol icmp ether saddr da:d3:00:01:02:03 counter
+	}
+}
+
+table bridge donotprocess {
+	chain FORWARD {
+		type filter hook forward priority 0; policy accept;
+		ip protocol icmp ether saddr da:d3:00:01:02:03 counter
+	}
+}
+EOF
+
+ip netns exec "$ns1" ping -c 1 10.1.1.20 || true
+
+set +e
+
+ip netns exec "$ns2" $NFT list table bridge process | grep 'counter packets 0'
+if [ $? -eq 0 ]
+then
+	exit 1
+fi
+
+ip netns exec "$ns2" $NFT list table bridge donotprocess | grep 'counter packets 0'
+if [ $? -eq 1 ]
+then
+	exit 1
+fi
+
+exit 0
-- 
2.51.0