sctp: move to plugins, disabled by default

Removed sctp buffer metadata from vnet/buffer.h, added it to the
plugin. Add registration APIs for plugin-based vlib_buffer_opaque /
opaque2 decoders, used by "pcap dispatch trace ..." for display in the
wireshark dissector.

Type:refactor

Not actively maintained.

Change-Id: Ie4cb6ba66f68b3b3a7d7d2c63c917fdccf994371
Signed-off-by: Florin Coras <fcoras@cisco.com>
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/src/vpp-api/client/stat_client.c b/src/vpp-api/client/stat_client.c
index cfe213d..0eaec15 100644
--- a/src/vpp-api/client/stat_client.c
+++ b/src/vpp-api/client/stat_client.c
@@ -182,6 +182,9 @@
   sa->epoch = shared_header->epoch;
   while (shared_header->in_progress != 0)
     ;
+  sm->directory_vector = stat_segment_pointer (sm->shared_header,
+					       sm->
+					       shared_header->directory_offset);
 }
 
 static bool