trafgen: proto: Improve to find lower header by index

Extended struct proto_hdr with 'index' field which is used for faster
lookup of lower header without doing a loop.

Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 1 insertions, 0 deletions

diff --git a/trafgen_proto.h b/trafgen_proto.h
index 000938c..35a55d5 100644
--- a/trafgen_proto.h
+++ b/trafgen_proto.h
@@ -46,6 +46,7 @@ struct proto_hdr {
 	const struct proto_ops *ops;
 	uint16_t pkt_offset;
 	uint32_t pkt_id;
+	uint32_t index;
 	struct proto_field *fields;
 	size_t fields_count;
 	bool is_csum_valid;