netlink_delinearize: incorrect meta protocol dependency kill

meta protocol is meaningful in bridge, netdev and inet families, do
not remove this.

Fixes: 056aaa3e6dc6 ("netlink_delinearize: Refactor meta_may_dependency_kill()")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

3 files changed, 27 insertions, 0 deletions

diff --git a/tests/py/ip/meta.t b/tests/py/ip/meta.t
index f733d22d..fecd0caf 100644
--- a/tests/py/ip/meta.t
+++ b/tests/py/ip/meta.t
@@ -8,6 +8,8 @@ meta l4proto ipv6-icmp icmpv6 type nd-router-advert;ok;icmpv6 type nd-router-adv
 meta l4proto 58 icmpv6 type nd-router-advert;ok;icmpv6 type nd-router-advert
 icmpv6 type nd-router-advert;ok
 
+meta protocol ip udp dport 67;ok
+
 meta ibrname "br0";fail
 meta obrname "br0";fail
 
diff --git a/tests/py/ip/meta.t.json b/tests/py/ip/meta.t.json
index f83864f6..3df31ce3 100644
--- a/tests/py/ip/meta.t.json
+++ b/tests/py/ip/meta.t.json
@@ -140,3 +140,19 @@
         "accept": null
     }
 ]
+
+# meta protocol ip udp dport 67
+[
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "dport",
+                    "protocol": "udp"
+                }
+            },
+            "op": "==",
+            "right": 67
+        }
+    }
+]
diff --git a/tests/py/ip/meta.t.payload b/tests/py/ip/meta.t.payload
index 7bc69a29..a1fd0086 100644
--- a/tests/py/ip/meta.t.payload
+++ b/tests/py/ip/meta.t.payload
@@ -44,3 +44,12 @@ ip6 test-ip4 input
   [ meta load sdifname => reg 1 ]
   [ cmp neq reg 1 0x31667276 0x00000000 0x00000000 0x00000000 ]
   [ immediate reg 0 accept ]
+
+# meta protocol ip udp dport 67
+ip test-ip4 input
+  [ meta load protocol => reg 1 ]
+  [ cmp eq reg 1 0x00000008 ]
+  [ meta load l4proto => reg 1 ]
+  [ cmp eq reg 1 0x00000011 ]
+  [ payload load 2b @ transport header + 2 => reg 1 ]
+  [ cmp eq reg 1 0x00004300 ]