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/*
* Copyright (c) 2017 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.
*/
/*
*------------------------------------------------------------------
* udp_ping_api.c - UDP Ping related APIs to create
* and maintain ping flows
*------------------------------------------------------------------
*/
#include <vnet/vnet.h>
#include <vnet/ip/ip.h>
#include <ioam/udp-ping/udp_ping.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <vlibsocket/api.h>
/* define message IDs */
#include <ioam/udp-ping/udp_ping_msg_enum.h>
/* define message structures */
#define vl_typedefs
#include <ioam/udp-ping/udp_ping_all_api_h.h>
#undef vl_typedefs
/* define generated endian-swappers */
#define vl_endianfun
#include <ioam/udp-ping/udp_ping_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 <ioam/udp-ping/udp_ping_all_api_h.h>
#undef vl_printfun
/* Get the API version number */
#define vl_api_version(n,v) static u32 api_version=(v);
#include <ioam/udp-ping/udp_ping_all_api_h.h>
#undef vl_api_version
#define REPLY_MSG_ID_BASE sm->msg_id_base
#include <vlibapi/api_helper_macros.h>
/* List of message types that this module understands */
#define foreach_udp_ping_api_msg \
_(UDP_PING_ADD_DEL_REQ, udp_ping_add_del_req) \
_(UDP_PING_EXPORT_REQ, udp_ping_export_req) \
static void vl_api_udp_ping_add_del_req_t_handler
(vl_api_udp_ping_add_del_req_t * mp)
{
ip46_address_t dst, src;
int rv = 0;
udp_ping_main_t *sm = &udp_ping_main;
vl_api_udp_ping_add_del_reply_t *rmp;
if (mp->is_ipv4)
{
rv = -1; //Not supported
goto ERROROUT;
}
clib_memcpy ((void *) &src.ip6, (void *) mp->src_ip_address,
sizeof (ip6_address_t));
clib_memcpy ((void *) &dst.ip6, (void *) mp->dst_ip_address,
sizeof (ip6_address_t));
ip46_udp_ping_set_flow (src, dst,
ntohs (mp->start_src_port),
ntohs (mp->end_src_port),
ntohs (mp->start_dst_port),
ntohs (mp->end_dst_port),
ntohs (mp->interval), mp->fault_det, mp->dis);
rv = 0; //FIXME
ERROROUT:
REPLY_MACRO (VL_API_UDP_PING_ADD_DEL_REPLY);
}
static void vl_api_udp_ping_export_req_t_handler
(vl_api_udp_ping_export_req_t * mp)
{
udp_ping_main_t *sm = &udp_ping_main;
int rv = 0;
vl_api_udp_ping_export_reply_t *rmp;
(void) udp_ping_flow_create (!mp->enable);
rv = 0; //FIXME
REPLY_MACRO (VL_API_UDP_PING_EXPORT_REPLY);
}
/* Set up the API message handling tables */
static clib_error_t *
udp_ping_api_hookup (vlib_main_t * vm)
{
udp_ping_main_t *sm = &udp_ping_main;
#define _(N,n) \
vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
#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_udp_ping_api_msg;
#undef _
return 0;
}
#define vl_msg_name_crc_list
#include <ioam/udp-ping/udp_ping_all_api_h.h>
#undef vl_msg_name_crc_list
static void
setup_message_id_table (udp_ping_main_t * sm, api_main_t * am)
{
#define _(id,n,crc) \
vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
foreach_vl_msg_name_crc_udp_ping;
#undef _
}
static clib_error_t *
udp_ping_api_init (vlib_main_t * vm)
{
udp_ping_main_t *sm = &udp_ping_main;
clib_error_t *error = 0;
u8 *name;
name = format (0, "udp_ping_%08x%c", api_version, 0);
/* Ask for a correctly-sized block of API message decode slots */
sm->msg_id_base = vl_msg_api_get_msg_ids
((char *) name, VL_MSG_FIRST_AVAILABLE);
error = udp_ping_api_hookup (vm);
/* Add our API messages to the global name_crc hash table */
setup_message_id_table (sm, &api_main);
vec_free (name);
return error;
}
VLIB_INIT_FUNCTION (udp_ping_api_init);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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