nft add rule ip6 f i meta l4proto ipv6-icmp icmpv6 type nd-router-advert
<cmdline>:1:50-60: Error: conflicting protocols specified: unknown vs. icmpv6

add icmpv6 to nexthdr list so base gets updated correctly.

Reported-by: Thomas Woerner <[email protected]>
Signed-off-by: Florian Westphal <[email protected]>
---
 Change since last version:
  - add test in same patch.

 src/proto.c                 | 1 +
 tests/py/any/meta.t         | 1 +
 tests/py/any/meta.t.payload | 7 +++++++
 3 files changed, 9 insertions(+)

diff --git a/src/proto.c b/src/proto.c
index 79e9dbf2b33e..fcdfbe73c735 100644
--- a/src/proto.c
+++ b/src/proto.c
@@ -779,6 +779,7 @@ const struct proto_desc proto_inet_service = {
                PROTO_LINK(IPPROTO_TCP,         &proto_tcp),
                PROTO_LINK(IPPROTO_DCCP,        &proto_dccp),
                PROTO_LINK(IPPROTO_SCTP,        &proto_sctp),
+               PROTO_LINK(IPPROTO_ICMPV6,      &proto_icmp6),
        },
        .templates      = {
                [0]     = PROTO_META_TEMPLATE("l4proto", &inet_protocol_type, 
NFT_META_L4PROTO, 8),
diff --git a/tests/py/any/meta.t b/tests/py/any/meta.t
index c3ac0a4c267a..2ff942ff039d 100644
--- a/tests/py/any/meta.t
+++ b/tests/py/any/meta.t
@@ -38,6 +38,7 @@ meta l4proto { 33, 55, 67, 88};ok;meta l4proto { 33, 55, 67, 
88}
 meta l4proto != { 33, 55, 67, 88};ok
 meta l4proto { 33-55};ok
 meta l4proto != { 33-55};ok
+meta l4proto ipv6-icmp icmpv6 type nd-router-advert;ok;icmpv6 type 
nd-router-advert
 
 meta priority root;ok
 meta priority none;ok
diff --git a/tests/py/any/meta.t.payload b/tests/py/any/meta.t.payload
index e432656624b6..871f1ada5abe 100644
--- a/tests/py/any/meta.t.payload
+++ b/tests/py/any/meta.t.payload
@@ -187,6 +187,13 @@ ip test-ip4 input
   [ byteorder reg 1 = hton(reg 1, 2, 1) ]
   [ lookup reg 1 set __set%d 0x1 ]
 
+# meta l4proto ipv6-icmp icmpv6 type nd-router-advert
+ip test-ip4 input
+  [ meta load l4proto => reg 1 ]
+  [ cmp eq reg 1 0x0000003a ]
+  [ payload load 1b @ transport header + 0 => reg 1 ]
+  [ cmp eq reg 1 0x00000086 ]
+
 # meta mark 0x4
 ip test-ip4 input
   [ meta load mark => reg 1 ]
-- 
2.13.0

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