api: remove transport specific code from handlers

This does not update api client code. In other words, if the client
assumes the transport is shmem based, this patch does not change that.
Furthermore, code that checks queue size, for tail dropping, is not
updated.

Done for the following apis:
Plugins
- acl
- gtpu
- memif
- nat
- pppoe
VNET
- bfd
- bier
- tapv2
- vhost user
- dhcp
- flow
- geneve
- ip
- punt
- ipsec/ipsec-gre
- l2
- l2tp
- lisp-cp/one-cp
- lisp-gpe
- map
- mpls
- policer
- session
- span
- udp
- tap
- vxlan/vxlan-gpe
- interface
VPP
- api/api.c
OAM
- oam_api.c
Stats
- stats.c

Change-Id: I0e33ecefb2bdab0295698c0add948068a5a83345
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/classify/classify_api.c b/src/vnet/classify/classify_api.c
index 94340f8..1893f6e 100644
--- a/src/vnet/classify/classify_api.c
+++ b/src/vnet/classify/classify_api.c
@@ -182,7 +182,8 @@
 
 static void
 send_policer_classify_details (u32 sw_if_index,
-			       u32 table_index, svm_queue_t * q, u32 context)
+			       u32 table_index, vl_api_registration_t * reg,
+			       u32 context)
 {
   vl_api_policer_classify_details_t *mp;
 
@@ -193,19 +194,19 @@
   mp->sw_if_index = htonl (sw_if_index);
   mp->table_index = htonl (table_index);
 
-  vl_msg_api_send_shmem (q, (u8 *) & mp);
+  vl_api_send_msg (reg, (u8 *) mp);
 }
 
 static void
 vl_api_policer_classify_dump_t_handler (vl_api_policer_classify_dump_t * mp)
 {
-  svm_queue_t *q;
+  vl_api_registration_t *reg;
   policer_classify_main_t *pcm = &policer_classify_main;
   u32 *vec_tbl;
   int i;
 
-  q = vl_api_client_index_to_input_queue (mp->client_index);
-  if (q == 0)
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
     return;
 
   vec_tbl = pcm->classify_table_index_by_sw_if_index[mp->type];
@@ -217,7 +218,7 @@
 	  if (vec_elt (vec_tbl, i) == ~0)
 	    continue;
 
-	  send_policer_classify_details (i, vec_elt (vec_tbl, i), q,
+	  send_policer_classify_details (i, vec_elt (vec_tbl, i), reg,
 					 mp->context);
 	}
     }
@@ -226,10 +227,10 @@
 static void
 vl_api_classify_table_ids_t_handler (vl_api_classify_table_ids_t * mp)
 {
-  svm_queue_t *q;
+  vl_api_registration_t *reg;
 
-  q = vl_api_client_index_to_input_queue (mp->client_index);
-  if (q == 0)
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
     return;
 
   vnet_classify_main_t *cm = &vnet_classify_main;
@@ -253,7 +254,7 @@
   clib_memcpy (rmp->ids, table_ids, count * sizeof (u32));
   rmp->retval = 0;
 
-  vl_msg_api_send_shmem (q, (u8 *) & rmp);
+  vl_api_send_msg (reg, (u8 *) rmp);
 
   vec_free (table_ids);
 }
@@ -311,10 +312,10 @@
 static void
 vl_api_classify_table_info_t_handler (vl_api_classify_table_info_t * mp)
 {
-  svm_queue_t *q;
+  vl_api_registration_t *reg;
 
-  q = vl_api_client_index_to_input_queue (mp->client_index);
-  if (q == 0)
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
     return;
 
   vl_api_classify_table_info_reply_t *rmp = 0;
@@ -355,11 +356,11 @@
       rmp->retval = ntohl (VNET_API_ERROR_CLASSIFY_TABLE_NOT_FOUND);
     }
 
-  vl_msg_api_send_shmem (q, (u8 *) & rmp);
+  vl_api_send_msg (reg, (u8 *) rmp);
 }
 
 static void
-send_classify_session_details (svm_queue_t * q,
+send_classify_session_details (vl_api_registration_t * reg,
 			       u32 table_id,
 			       u32 match_length,
 			       vnet_classify_entry_t * e, u32 context)
@@ -377,20 +378,20 @@
   rmp->match_length = ntohl (match_length);
   clib_memcpy (rmp->match, e->key, match_length);
 
-  vl_msg_api_send_shmem (q, (u8 *) & rmp);
+  vl_api_send_msg (reg, (u8 *) rmp);
 }
 
 static void
 vl_api_classify_session_dump_t_handler (vl_api_classify_session_dump_t * mp)
 {
   vnet_classify_main_t *cm = &vnet_classify_main;
-  svm_queue_t *q;
+  vl_api_registration_t *reg;
 
   u32 table_id = ntohl (mp->table_id);
   vnet_classify_table_t *t;
 
-  q = vl_api_client_index_to_input_queue (mp->client_index);
-  if (!q)
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
     return;
 
   /* *INDENT-OFF* */
@@ -419,7 +420,7 @@
                       continue;
 
                     send_classify_session_details
-                      (q, table_id, t->match_n_vectors * sizeof (u32x4),
+                      (reg, table_id, t->match_n_vectors * sizeof (u32x4),
                        v, mp->context);
                   }
               }
@@ -455,7 +456,8 @@
 
 static void
 send_flow_classify_details (u32 sw_if_index,
-			    u32 table_index, svm_queue_t * q, u32 context)
+			    u32 table_index, vl_api_registration_t * reg,
+			    u32 context)
 {
   vl_api_flow_classify_details_t *mp;
 
@@ -466,19 +468,19 @@
   mp->sw_if_index = htonl (sw_if_index);
   mp->table_index = htonl (table_index);
 
-  vl_msg_api_send_shmem (q, (u8 *) & mp);
+  vl_api_send_msg (reg, (u8 *) mp);
 }
 
 static void
 vl_api_flow_classify_dump_t_handler (vl_api_flow_classify_dump_t * mp)
 {
-  svm_queue_t *q;
+  vl_api_registration_t *reg;
   flow_classify_main_t *pcm = &flow_classify_main;
   u32 *vec_tbl;
   int i;
 
-  q = vl_api_client_index_to_input_queue (mp->client_index);
-  if (q == 0)
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
     return;
 
   vec_tbl = pcm->classify_table_index_by_sw_if_index[mp->type];
@@ -490,7 +492,7 @@
 	  if (vec_elt (vec_tbl, i) == ~0)
 	    continue;
 
-	  send_flow_classify_details (i, vec_elt (vec_tbl, i), q,
+	  send_flow_classify_details (i, vec_elt (vec_tbl, i), reg,
 				      mp->context);
 	}
     }