src/vpp/oam/oam_api.c

   1 /*
   2  *------------------------------------------------------------------
   3  * oam_api.c - vnet OAM api
   4  *
   5  * Copyright (c) 2016 Cisco and/or its affiliates.
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at:
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *------------------------------------------------------------------
  18  */
  19
  20 #include <vnet/vnet.h>
  21 #include <vlibmemory/api.h>
  22
  23 #include <vpp/oam/oam.h>
  24
  25 #include <vpp/api/vpe_msg_enum.h>
  26
  27 #define vl_typedefs             /* define message structures */
  28 #include <vpp/api/vpe_all_api_h.h>
  29 #undef vl_typedefs
  30 #define vl_endianfun            /* define message structures */
  31 #include <vpp/api/vpe_all_api_h.h>
  32 #undef vl_endianfun
  33 /* instantiate all the print functions we know about */
  34 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
  35 #define vl_printfun
  36 #include <vpp/api/vpe_all_api_h.h>
  37 #undef vl_printfun
  38 #include <vlibapi/api_helper_macros.h>
  39
  40 #define foreach_oam_api_msg                                             \
  41 _(WANT_OAM_EVENTS, want_oam_events)                                     \
  42 _(OAM_ADD_DEL, oam_add_del)
  43
  44 pub_sub_handler (oam_events, OAM_EVENTS);
  45
  46 void
  47 send_oam_event (oam_target_t * t)
  48 {
  49   vpe_api_main_t *vam = &vpe_api_main;
  50   svm_queue_t *q;
  51   vpe_client_registration_t *reg;
  52   vl_api_oam_event_t *mp;
  53
  54   /* *INDENT-OFF* */
  55   pool_foreach(reg, vam->oam_events_registrations,
  56   ({
  57     q = vl_api_client_index_to_input_queue (reg->client_index);
  58     if (q)
  59       {
  60         mp = vl_msg_api_alloc (sizeof (*mp));
  61         mp->_vl_msg_id = ntohs (VL_API_OAM_EVENT);
  62         clib_memcpy (mp->dst_address, &t->dst_address,
  63                      sizeof (mp->dst_address));
  64         mp->state = t->state;
  65         vl_msg_api_send_shmem (q, (u8 *)&mp);
  66       }
  67   }));
  68   /* *INDENT-ON* */
  69 }
  70
  71 static void
  72 vl_api_oam_add_del_t_handler (vl_api_oam_add_del_t * mp)
  73 {
  74   vl_api_oam_add_del_reply_t *rmp;
  75   int rv;
  76
  77   rv = vpe_oam_add_del_target ((ip4_address_t *) mp->src_address,
  78                                (ip4_address_t *) mp->dst_address,
  79                                ntohl (mp->vrf_id), (int) (mp->is_add));
  80
  81   REPLY_MACRO (VL_API_OAM_ADD_DEL_REPLY);
  82 }
  83
  84 #define vl_msg_name_crc_list
  85 #include <vpp/oam/oam.api.h>
  86 #undef vl_msg_name_crc_list
  87
  88 static void
  89 setup_message_id_table (api_main_t * am)
  90 {
  91 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
  92   foreach_vl_msg_name_crc_oam;
  93 #undef _
  94 }
  95
  96 static clib_error_t *
  97 oam_api_hookup (vlib_main_t * vm)
  98 {
  99   api_main_t *am = &api_main;
 100
 101 #define _(N,n)                                                  \
 102     vl_msg_api_set_handlers(VL_API_##N, #n,                     \
 103                            vl_api_##n##_t_handler,              \
 104                            vl_noop_handler,                     \
 105                            vl_api_##n##_t_endian,               \
 106                            vl_api_##n##_t_print,                \
 107                            sizeof(vl_api_##n##_t), 1);
 108   foreach_oam_api_msg;
 109 #undef _
 110
 111   /*
 112    * Set up the (msg_name, crc, message-id) table
 113    */
 114   setup_message_id_table (am);
 115
 116   return 0;
 117 }
 118
 119 VLIB_API_INIT_FUNCTION (oam_api_hookup);
 120
 121 /*
 122  * fd.io coding-style-patch-verification: ON
 123  *
 124  * Local Variables:
 125  * eval: (c-set-style "gnu")
 126  * End:
 127  */