+++ /dev/null
-/*
- *------------------------------------------------------------------
- * bfd_api.c - bfd api
- *
- * Copyright (c) 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:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *------------------------------------------------------------------
- */
-
-#include <vnet/vnet.h>
-#include <vlibmemory/api.h>
-
-#include <vnet/interface.h>
-#include <vnet/api_errno.h>
-#include <vnet/bfd/bfd_main.h>
-#include <vnet/bfd/bfd_api.h>
-
-#include <vnet/vnet_msg_enum.h>
-
-#define vl_typedefs /* define message structures */
-#include <vnet/vnet_all_api_h.h>
-#undef vl_typedefs
-
-#define vl_endianfun /* define message structures */
-#include <vnet/vnet_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <vnet/vnet_all_api_h.h>
-#undef vl_printfun
-
-#include <vlibapi/api_helper_macros.h>
-
-#define foreach_vpe_api_msg \
-_(BFD_UDP_ADD, bfd_udp_add) \
-_(BFD_UDP_DEL, bfd_udp_del) \
-_(BFD_UDP_SESSION_DUMP, bfd_udp_session_dump) \
-_(BFD_SESSION_SET_FLAGS, bfd_session_set_flags) \
-_(WANT_BFD_EVENTS, want_bfd_events)
-
-pub_sub_handler (bfd_events, BFD_EVENTS);
-
-static void
-vl_api_bfd_udp_add_t_handler (vl_api_bfd_udp_add_t * mp)
-{
- vl_api_bfd_udp_add_reply_t *rmp;
- int rv;
-
- VALIDATE_SW_IF_INDEX (mp);
-
- ip46_address_t local_addr;
- memset (&local_addr, 0, sizeof (local_addr));
- ip46_address_t peer_addr;
- memset (&peer_addr, 0, sizeof (peer_addr));
- if (mp->is_ipv6)
- {
- clib_memcpy (&local_addr.ip6, mp->local_addr, sizeof (local_addr.ip6));
- clib_memcpy (&peer_addr.ip6, mp->peer_addr, sizeof (peer_addr.ip6));
- }
- else
- {
- clib_memcpy (&local_addr.ip4, mp->local_addr, sizeof (local_addr.ip4));
- clib_memcpy (&peer_addr.ip4, mp->peer_addr, sizeof (peer_addr.ip4));
- }
-
- rv = bfd_udp_add_session (clib_net_to_host_u32 (mp->sw_if_index),
- clib_net_to_host_u32 (mp->desired_min_tx),
- clib_net_to_host_u32 (mp->required_min_rx),
- mp->detect_mult, &local_addr, &peer_addr);
-
- BAD_SW_IF_INDEX_LABEL;
- REPLY_MACRO (VL_API_BFD_UDP_ADD_REPLY);
-}
-
-static void
-vl_api_bfd_udp_del_t_handler (vl_api_bfd_udp_del_t * mp)
-{
- vl_api_bfd_udp_del_reply_t *rmp;
- int rv;
-
- VALIDATE_SW_IF_INDEX (mp);
-
- ip46_address_t local_addr;
- memset (&local_addr, 0, sizeof (local_addr));
- ip46_address_t peer_addr;
- memset (&peer_addr, 0, sizeof (peer_addr));
- if (mp->is_ipv6)
- {
- clib_memcpy (&local_addr.ip6, mp->local_addr, sizeof (local_addr.ip6));
- clib_memcpy (&peer_addr.ip6, mp->peer_addr, sizeof (peer_addr.ip6));
- }
- else
- {
- clib_memcpy (&local_addr.ip4, mp->local_addr, sizeof (local_addr.ip4));
- clib_memcpy (&peer_addr.ip4, mp->peer_addr, sizeof (peer_addr.ip4));
- }
-
- rv =
- bfd_udp_del_session (clib_net_to_host_u32 (mp->sw_if_index), &local_addr,
- &peer_addr);
-
- BAD_SW_IF_INDEX_LABEL;
- REPLY_MACRO (VL_API_BFD_UDP_DEL_REPLY);
-}
-
-void
-send_bfd_udp_session_details (unix_shared_memory_queue_t * q, u32 context,
- bfd_session_t * bs)
-{
- if (bs->transport != BFD_TRANSPORT_UDP4 &&
- bs->transport != BFD_TRANSPORT_UDP6)
- {
- return;
- }
-
- vl_api_bfd_udp_session_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
- memset (mp, 0, sizeof (*mp));
- mp->_vl_msg_id = ntohs (VL_API_BFD_UDP_SESSION_DETAILS);
- mp->context = context;
- mp->bs_index = clib_host_to_net_u32 (bs->bs_idx);
- mp->state = bs->local_state;
- bfd_udp_session_t *bus = &bs->udp;
- bfd_udp_key_t *key = &bus->key;
- mp->sw_if_index = clib_host_to_net_u32 (key->sw_if_index);
- mp->is_ipv6 = !(ip46_address_is_ip4 (&key->local_addr));
- if (mp->is_ipv6)
- {
- clib_memcpy (mp->local_addr, &key->local_addr,
- sizeof (key->local_addr));
- clib_memcpy (mp->peer_addr, &key->peer_addr, sizeof (key->peer_addr));
- }
- else
- {
- clib_memcpy (mp->local_addr, key->local_addr.ip4.data,
- sizeof (key->local_addr.ip4.data));
- clib_memcpy (mp->peer_addr, key->peer_addr.ip4.data,
- sizeof (key->peer_addr.ip4.data));
- }
-
- vl_msg_api_send_shmem (q, (u8 *) & mp);
-}
-
-void
-bfd_event (bfd_main_t * bm, bfd_session_t * bs)
-{
- vpe_api_main_t *vam = &vpe_api_main;
- vpe_client_registration_t *reg;
- unix_shared_memory_queue_t *q;
- /* *INDENT-OFF* */
- pool_foreach (reg, vam->bfd_events_registrations, ({
- q = vl_api_client_index_to_input_queue (reg->client_index);
- if (q)
- {
- switch (bs->transport)
- {
- case BFD_TRANSPORT_UDP4:
- /* fallthrough */
- case BFD_TRANSPORT_UDP6:
- send_bfd_udp_session_details (q, 0, bs);
- }
- }
- }));
- /* *INDENT-ON* */
-}
-
-static void
-vl_api_bfd_udp_session_dump_t_handler (vl_api_bfd_udp_session_dump_t * mp)
-{
- unix_shared_memory_queue_t *q;
-
- q = vl_api_client_index_to_input_queue (mp->client_index);
-
- if (q == 0)
- return;
-
- bfd_session_t *bs = NULL;
- /* *INDENT-OFF* */
- pool_foreach (bs, bfd_main.sessions, ({
- if (bs->transport == BFD_TRANSPORT_UDP4 ||
- bs->transport == BFD_TRANSPORT_UDP6)
- send_bfd_udp_session_details (q, mp->context, bs);
- }));
- /* *INDENT-ON* */
-}
-
-static void
-vl_api_bfd_session_set_flags_t_handler (vl_api_bfd_session_set_flags_t * mp)
-{
- vl_api_bfd_session_set_flags_reply_t *rmp;
- int rv;
-
- rv =
- bfd_session_set_flags (clib_net_to_host_u32 (mp->bs_index),
- mp->admin_up_down);
-
- REPLY_MACRO (VL_API_BFD_SESSION_SET_FLAGS_REPLY);
-}
-
-
-/*
- * bfd_api_hookup
- * Add vpe's API message handlers to the table.
- * vlib has alread mapped shared memory and
- * added the client registration handlers.
- * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
- */
-#define vl_msg_name_crc_list
-#include <vnet/vnet_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-setup_message_id_table (api_main_t * am)
-{
-#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
- foreach_vl_msg_name_crc_bfd;
-#undef _
-}
-
-static clib_error_t *
-bfd_api_hookup (vlib_main_t * vm)
-{
- api_main_t *am = &api_main;
-
-#define _(N,n) \
- vl_msg_api_set_handlers(VL_API_##N, #n, \
- vl_api_##n##_t_handler, \
- vl_noop_handler, \
- vl_api_##n##_t_endian, \
- vl_api_##n##_t_print, \
- sizeof(vl_api_##n##_t), 1);
- foreach_vpe_api_msg;
-#undef _
-
- /*
- * Set up the (msg_name, crc, message-id) table
- */
- setup_message_id_table (am);
-
- return 0;
-}
-
-VLIB_API_INIT_FUNCTION (bfd_api_hookup);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff