Add an ip6 local hop-by-hop protocol demux table

Add a minimal ip6 hbh header processing test.

ioam plugin: use ip6_local_hop_by_hop_register_protocol() in
udp_ping_init().

Please test the ioam plugin udp_ping path AYEC, so I can
publish the patch.

Change-Id: I74e35276d6c38c31022026cfd238fad5e4a54485
Signed-off-by: Dave Barach <dave@barachs.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/vnet/ip/ip6_hop_by_hop.h b/src/vnet/ip/ip6_hop_by_hop.h
index 6ae2a2e8b51..e8ecab6c6d5 100644
--- a/src/vnet/ip/ip6_hop_by_hop.h
+++ b/src/vnet/ip/ip6_hop_by_hop.h
@@ -42,6 +42,11 @@ typedef struct
 
 typedef struct
 {
+  u8 next_index_by_protocol[256];
+} ip6_local_hop_by_hop_runtime_t;
+
+typedef struct
+{
   /* The current rewrite we're using */
   u8 *rewrite;
 
@@ -85,6 +90,8 @@ typedef struct
     u32 (*flow_handler[MAX_IP6_HBH_OPTION]) (u32 flow_ctx, u8 add);
   flow_data_t *flows;
 
+  ip6_local_hop_by_hop_runtime_t *ip6_local_hbh_runtime;
+
   /* convenience */
   vlib_main_t *vlib_main;
   vnet_main_t *vnet_main;