VPP-362 Implement dumping of LISP adjacencies
[vpp.git] / vpp / vpp-api / api.c
index 028e67b..84e4d5d 100644 (file)
@@ -2,7 +2,7 @@
  *------------------------------------------------------------------
  * api.c - message handler registration
  *
- * Copyright (c) 2010 Cisco and/or its affiliates.
+ * Copyright (c) 2010-2016 Cisco and/or its affiliates.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
@@ -68,6 +68,7 @@
 #include <vnet/classify/vnet_classify.h>
 #include <vnet/classify/input_acl.h>
 #include <vnet/classify/policer_classify.h>
+#include <vnet/classify/flow_classify.h>
 #include <vnet/l2/l2_classify.h>
 #include <vnet/vxlan/vxlan.h>
 #include <vnet/gre/gre.h>
@@ -87,6 +88,7 @@
 #include <vnet/flow/flow_report.h>
 #include <vnet/ipsec-gre/ipsec_gre.h>
 #include <vnet/flow/flow_report_classify.h>
+#include <vnet/ip/punt.h>
 
 #undef BIHASH_TYPE
 #undef __included_bihash_template_h__
@@ -168,16 +170,31 @@ do {                                                            \
 #define REPLY_MACRO3(t, n, body)                               \
 do {                                                            \
     unix_shared_memory_queue_t * q;                             \
+    u8 is_error = 0;                                            \
     rv = vl_msg_api_pd_handler (mp, rv);                        \
     q = vl_api_client_index_to_input_queue (mp->client_index);  \
     if (!q)                                                     \
         return;                                                 \
                                                                 \
     rmp = vl_msg_api_alloc (sizeof (*rmp) + n);                 \
+    if (!rmp)                                                   \
+      {                                                         \
+        /* if there isn't enough memory, try to allocate */     \
+        /* some at least for returning an error */              \
+        rmp = vl_msg_api_alloc (sizeof (*rmp));                 \
+        if (!rmp)                                               \
+          return;                                               \
+                                                                \
+        memset (rmp, 0, sizeof (*rmp));                         \
+        rv = VNET_API_ERROR_TABLE_TOO_BIG;                      \
+        is_error = 1;                                           \
+      }                                                         \
+                                                                \
     rmp->_vl_msg_id = ntohs((t));                               \
     rmp->context = mp->context;                                 \
     rmp->retval = ntohl(rv);                                    \
-    do {body;} while (0);                                       \
+    if (!is_error)                                              \
+      do {body;} while (0);                                     \
     vl_msg_api_send_shmem (q, (u8 *)&rmp);                      \
 } while(0);
 
@@ -378,6 +395,7 @@ _(LISP_GPE_TUNNEL_DUMP, lisp_gpe_tunnel_dump)                           \
 _(LISP_MAP_RESOLVER_DUMP, lisp_map_resolver_dump)                       \
 _(LISP_EID_TABLE_MAP_DUMP, lisp_eid_table_map_dump)                     \
 _(LISP_EID_TABLE_VNI_DUMP, lisp_eid_table_vni_dump)                     \
+_(LISP_ADJACENCIES_GET, lisp_adjacencies_get)                           \
 _(SHOW_LISP_STATUS, show_lisp_status)                                   \
 _(LISP_ADD_DEL_MAP_REQUEST_ITR_RLOCS,                                   \
   lisp_add_del_map_request_itr_rlocs)                                   \
@@ -423,7 +441,10 @@ _(IP_SOURCE_AND_PORT_RANGE_CHECK_INTERFACE_ADD_DEL,                     \
 _(IPSEC_GRE_ADD_DEL_TUNNEL, ipsec_gre_add_del_tunnel)                   \
 _(IPSEC_GRE_TUNNEL_DUMP, ipsec_gre_tunnel_dump)                         \
 _(DELETE_SUBIF, delete_subif)                                           \
-_(L2_INTERFACE_PBB_TAG_REWRITE, l2_interface_pbb_tag_rewrite)
+_(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)
 
 #define QUOTE_(x) #x
 #define QUOTE(x) QUOTE_(x)
@@ -6008,6 +6029,72 @@ send_eid_table_vni (u32 vni, unix_shared_memory_queue_t * q, u32 context)
   vl_msg_api_send_shmem (q, (u8 *) & rmp);
 }
 
+static void
+lisp_adjacency_copy (vl_api_lisp_adjacency_t * dst, lisp_adjacency_t * adjs)
+{
+  lisp_adjacency_t *adj;
+  vl_api_lisp_adjacency_t a;
+  u32 i, n = vec_len (adjs);
+
+  for (i = 0; i < n; i++)
+    {
+      adj = vec_elt_at_index (adjs, i);
+      memset (&a, 0, sizeof (a));
+
+      switch (gid_address_type (&adj->reid))
+       {
+       case GID_ADDR_IP_PREFIX:
+         a.reid_prefix_len = gid_address_ippref_len (&adj->reid);
+         a.leid_prefix_len = gid_address_ippref_len (&adj->leid);
+         if (gid_address_ip_version (&adj->reid) == IP4)
+           {
+             a.eid_type = 0;   /* ipv4 type */
+             clib_memcpy (a.reid, &gid_address_ip (&adj->reid), 4);
+             clib_memcpy (a.leid, &gid_address_ip (&adj->leid), 4);
+           }
+         else
+           {
+             a.eid_type = 1;   /* ipv6 type */
+             clib_memcpy (a.reid, &gid_address_ip (&adj->reid), 16);
+             clib_memcpy (a.leid, &gid_address_ip (&adj->leid), 16);
+           }
+         break;
+       case GID_ADDR_MAC:
+         a.eid_type = 2;       /* l2 mac type */
+         mac_copy (a.reid, gid_address_mac (&adj->reid));
+         mac_copy (a.leid, gid_address_mac (&adj->leid));
+         break;
+       default:
+         ASSERT (0);
+       }
+      dst[i] = a;
+    }
+}
+
+static void
+vl_api_lisp_adjacencies_get_t_handler (vl_api_lisp_adjacencies_get_t * mp)
+{
+  vl_api_lisp_adjacencies_get_reply_t *rmp = 0;
+  lisp_adjacency_t *adjs = 0;
+  int rv = 0;
+  vl_api_lisp_adjacency_t a;
+  u32 size = ~0;
+  u32 vni = clib_net_to_host_u32 (mp->vni);
+
+  adjs = vnet_lisp_adjacencies_get_by_vni (vni);
+  size = vec_len (adjs) * sizeof (a);
+
+  /* *INDENT-OFF* */
+  REPLY_MACRO3 (VL_API_LISP_ADJACENCIES_GET_REPLY, size,
+  {
+    rmp->count = clib_host_to_net_u32 (vec_len (adjs));
+    lisp_adjacency_copy (rmp->adjacencies, adjs);
+  });
+  /* *INDENT-ON* */
+
+  vec_free (adjs);
+}
+
 static void
 vl_api_lisp_eid_table_vni_dump_t_handler (vl_api_lisp_eid_table_vni_dump_t *
                                          mp)
@@ -8505,6 +8592,92 @@ static void
   REPLY_MACRO (VL_API_L2_INTERFACE_PBB_TAG_REWRITE_REPLY);
 }
 
+static void
+vl_api_punt_t_handler (vl_api_punt_t * mp)
+{
+  vl_api_punt_reply_t *rmp;
+  vlib_main_t *vm = vlib_get_main ();
+  int rv = 0;
+  clib_error_t *error;
+
+  error = vnet_punt_add_del (vm, mp->ipv, mp->l4_protocol,
+                            ntohs (mp->l4_port), mp->is_add);
+  if (error)
+    {
+      rv = -1;
+      clib_error_report (error);
+    }
+
+  REPLY_MACRO (VL_API_PUNT_REPLY);
+}
+
+static void
+  vl_api_flow_classify_set_interface_t_handler
+  (vl_api_flow_classify_set_interface_t * mp)
+{
+  vlib_main_t *vm = vlib_get_main ();
+  vl_api_flow_classify_set_interface_reply_t *rmp;
+  int rv;
+  u32 sw_if_index, ip4_table_index, ip6_table_index;
+
+  ip4_table_index = ntohl (mp->ip4_table_index);
+  ip6_table_index = ntohl (mp->ip6_table_index);
+  sw_if_index = ntohl (mp->sw_if_index);
+
+  VALIDATE_SW_IF_INDEX (mp);
+
+  rv = vnet_set_flow_classify_intfc (vm, sw_if_index, ip4_table_index,
+                                    ip6_table_index, mp->is_add);
+
+  BAD_SW_IF_INDEX_LABEL;
+
+  REPLY_MACRO (VL_API_FLOW_CLASSIFY_SET_INTERFACE_REPLY);
+}
+
+static void
+send_flow_classify_details (u32 sw_if_index,
+                           u32 table_index,
+                           unix_shared_memory_queue_t * q, u32 context)
+{
+  vl_api_flow_classify_details_t *mp;
+
+  mp = vl_msg_api_alloc (sizeof (*mp));
+  memset (mp, 0, sizeof (*mp));
+  mp->_vl_msg_id = ntohs (VL_API_FLOW_CLASSIFY_DETAILS);
+  mp->context = context;
+  mp->sw_if_index = htonl (sw_if_index);
+  mp->table_index = htonl (table_index);
+
+  vl_msg_api_send_shmem (q, (u8 *) & mp);
+}
+
+static void
+vl_api_flow_classify_dump_t_handler (vl_api_flow_classify_dump_t * mp)
+{
+  unix_shared_memory_queue_t *q;
+  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)
+    return;
+
+  vec_tbl = pcm->classify_table_index_by_sw_if_index[mp->type];
+
+  if (vec_len (vec_tbl))
+    {
+      for (i = 0; i < vec_len (vec_tbl); i++)
+       {
+         if (vec_elt (vec_tbl, i) == ~0)
+           continue;
+
+         send_flow_classify_details (i, vec_elt (vec_tbl, i), q,
+                                     mp->context);
+       }
+    }
+}
+
 #define BOUNCE_HANDLER(nn)                                              \
 static void vl_api_##nn##_t_handler (                                   \
     vl_api_##nn##_t *mp)                                                \