[PATCH nft] payload: fix transport matching with no network layer info in bridge family

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 # nft --debug=netlink add rule bridge filter input tcp dport 22
 bridge filter input
  [ meta load l4proto => reg 1 ]
  [ cmp eq reg 1 0x00000006 ]
  [ payload load 2b @ transport header + 2 => reg 1 ]
  [ cmp eq reg 1 0x00001600 ]

Reported-by: Eric Leblond <eric@xxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
 src/payload.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/payload.c b/src/payload.c
index 08578fd..e67ef17 100644
--- a/src/payload.c
+++ b/src/payload.c
@@ -219,6 +219,9 @@ int payload_gen_dependency(struct eval_ctx *ctx, const struct expr *expr,
 			case PROTO_BASE_LL_HDR:
 				desc = &proto_eth;
 				break;
+			case PROTO_BASE_TRANSPORT_HDR:
+				desc = &proto_inet_service;
+				break;
 			default:
 				break;
 			}
-- 
1.7.10.4

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