Adding Sequence Number - Per Packet Counter(PPC) support for iOAM6.

- Added support in classifier session to identify a flow to be iOAM6 encap/decap
- Sequence number as part of iOAM6 E2E header is created as a plugin.

Change-Id: Ib7605de45aecff25d684d099b525f8dc96ee7038
Signed-off-by: AkshayaNadahalli <anadahal@cisco.com>

3 files changed, 46 insertions, 5 deletions

diff --git a/vpp/vpp-api/api.c b/vpp/vpp-api/api.c
index 81cd8c358ff..c1f826391ce 100644
--- a/vpp/vpp-api/api.c
+++ b/vpp/vpp-api/api.c
@@ -7233,7 +7233,8 @@ vl_api_ioam_enable_t_handler (vl_api_ioam_enable_t * mp)
 
   /* Ignoring the profile id as currently a single profile
    * is supported */
-  error = ip6_ioam_enable (mp->trace_enable, mp->pow_enable, mp->trace_ppc);
+  error = ip6_ioam_enable (mp->trace_enable, mp->pot_enable,
+			   mp->seqno, mp->analyse);
   if (error)
     {
       clib_error_report (error);
diff --git a/vpp/vpp-api/custom_dump.c b/vpp/vpp-api/custom_dump.c
index 6406cbad3f3..45d7b96a203 100644
--- a/vpp/vpp-api/custom_dump.c
+++ b/vpp/vpp-api/custom_dump.c
@@ -2804,6 +2804,42 @@ static void *vl_api_get_first_msg_id_t_print
   FINISH;
 }
 
+static void *vl_api_ioam_enable_t_print
+  (vl_api_ioam_enable_t * mp, void *handle)
+{
+  u8 *s;
+
+  s = format (0, "SCRIPT: ioam_enable ");
+
+  if (mp->trace_enable)
+    s = format (s, "trace enabled");
+
+  if (mp->pot_enable)
+    s = format (s, "POT enabled");
+
+  if (mp->seqno)
+    s = format (s, "Seqno enabled");
+
+  if (mp->analyse)
+    s = format (s, "Analyse enabled");
+
+  FINISH;
+}
+
+static void *vl_api_ioam_disable_t_print
+  (vl_api_ioam_disable_t * mp, void *handle)
+{
+  u8 *s;
+
+  s = format (0, "SCRIPT: ioam_disable ");
+  s = format (s, "trace disabled");
+  s = format (s, "POT disabled");
+  s = format (s, "Seqno disabled");
+  s = format (s, "Analyse disabled");
+
+  FINISH;
+}
+
 #define foreach_custom_print_no_arg_function                            \
 _(lisp_eid_table_vni_dump)                                              \
 _(lisp_map_resolver_dump)                                               \
@@ -2968,7 +3004,9 @@ _(L2_INTERFACE_PBB_TAG_REWRITE, l2_interface_pbb_tag_rewrite)           \
 _(PUNT, punt)                                                           \
 _(FLOW_CLASSIFY_SET_INTERFACE, flow_classify_set_interface)             \
 _(FLOW_CLASSIFY_DUMP, flow_classify_dump)				\
-_(GET_FIRST_MSG_ID, get_first_msg_id)
+_(GET_FIRST_MSG_ID, get_first_msg_id)                                   \
+_(IOAM_ENABLE, ioam_enable)                                             \
+_(IOAM_DISABLE, ioam_disable)
   void
 vl_msg_api_custom_dump_configure (api_main_t * am)
 {
diff --git a/vpp/vpp-api/vpe.api b/vpp/vpp-api/vpe.api
index c5eacce5413..3ec41abc3b1 100644
--- a/vpp/vpp-api/vpe.api
+++ b/vpp/vpp-api/vpe.api
@@ -4124,7 +4124,8 @@ define sw_interface_clear_stats_reply
 
 /** \brief IOAM enable : Enable in-band OAM
     @param id - profile id
-    @param trace_ppc - Trace PPC (none/encap/decap)
+    @param seqno - To enable Seqno Processing
+    @param analyse - Enabling analysis of iOAM at decap node 
     @param pow_enable - Proof of Work enabled or not flag
     @param trace_enable - iOAM Trace enabled or not flag
 */
@@ -4133,8 +4134,9 @@ define ioam_enable
   u32 client_index;
   u32 context;
   u16 id;
-  u8 trace_ppc;
-  u8 pow_enable;
+  u8 seqno;
+  u8 analyse;
+  u8 pot_enable;
   u8 trace_enable;
   u32 node_id;
 };