From: Stanislav Fomichev <sdf@google.com>
To: netdev@vger.kernel.org, bpf@vger.kernel.org
Cc: davem@davemloft.net, ast@kernel.org, daniel@iogearbox.net,
willemb@google.com, ppenkov@google.com,
Stanislav Fomichev <sdf@google.com>
Subject: [PATCH bpf 2/2] selftests/bpf: test L2 dissection in flow dissector
Date: Mon, 13 May 2019 11:54:02 -0700 [thread overview]
Message-ID: <20190513185402.220122-2-sdf@google.com> (raw)
In-Reply-To: <20190513185402.220122-1-sdf@google.com>
Make sure that everything that's coming from a pre-defined mac address
can be dropped.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
---
.../selftests/bpf/test_flow_dissector.sh | 23 +++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/tools/testing/selftests/bpf/test_flow_dissector.sh b/tools/testing/selftests/bpf/test_flow_dissector.sh
index d23d4da66b83..1505d0a5fb32 100755
--- a/tools/testing/selftests/bpf/test_flow_dissector.sh
+++ b/tools/testing/selftests/bpf/test_flow_dissector.sh
@@ -112,4 +112,27 @@ tc filter add dev lo parent ffff: protocol ipv6 pref 1337 flower ip_proto \
# Send 10 IPv6/UDP packets from port 10. Filter should not drop any.
./test_flow_dissector -i 6 -f 10
+tc filter del dev lo ingress pref 1337
+
+echo "Testing L2..."
+ip link set lo address 02:01:03:04:05:06
+
+# Drops all packets coming from forged localhost mac
+tc filter add dev lo parent ffff: protocol ip pref 1337 flower \
+ src_mac 02:01:03:04:05:06 action drop
+
+# Send packets from any port. Filter should drop all.
+./test_flow_dissector -i 4 -f 8 -F
+
+tc filter del dev lo ingress pref 1337
+
+# Drops all packets coming from "random" non-localhost mac
+tc filter add dev lo parent ffff: protocol ip pref 1337 flower \
+ src_mac 02:01:03:04:05:07 action drop
+
+# Send packets from any port. Filter should not drop any.
+./test_flow_dissector -i 4 -f 8
+
+tc filter del dev lo ingress pref 1337
+
exit 0
--
2.21.0.1020.gf2820cf01a-goog
next prev parent reply other threads:[~2019-05-13 18:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-13 18:54 [PATCH bpf 1/2] flow_dissector: support FLOW_DISSECTOR_KEY_ETH_ADDRS with BPF Stanislav Fomichev
2019-05-13 18:54 ` Stanislav Fomichev [this message]
2019-05-13 20:33 ` Willem de Bruijn
2019-05-13 21:02 ` Stanislav Fomichev
2019-05-13 21:21 ` Willem de Bruijn
2019-05-13 22:47 ` Willem de Bruijn
2019-05-13 23:05 ` Stanislav Fomichev
2019-05-13 23:21 ` Stanislav Fomichev
2019-05-13 23:44 ` Willem de Bruijn
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