meta-google: ncsid-config: Fixup recipe

The license was mistakenly set to closed and it was missing an included
rules file.

Google-Bug-Id: 179618497
Change-Id: I8b9b01f7b53f03e6caa079de36e096db1a875955
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meta-google/recipes-google/ncsi/files/50-ncsi.rules.in b/meta-google/recipes-google/ncsi/files/50-ncsi.rules.in
new file mode 100644
index 0000000..33031f0
--- /dev/null
+++ b/meta-google/recipes-google/ncsi/files/50-ncsi.rules.in
@@ -0,0 +1,14 @@
+table inet filter {
+    chain ncsi_input {
+        type filter hook input priority 0; policy drop;
+        iifname != @NCSI_IF@ accept
+        ct state established accept
+        tcp dport 3959 accept
+        udp dport 3959 accept
+        tcp dport 3967 accept
+        udp dport 3967 accept
+        icmpv6 type nd-neighbor-advert accept
+        icmpv6 type nd-neighbor-solicit accept
+        icmpv6 type nd-router-advert accept
+    }
+}