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/*
* cdp.c - cdp protocol plug-in
*
* Copyright (c) 2011-2018 by 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 <vnet/plugin/plugin.h>
#include <cdp/cdp.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <vpp/app/version.h>
/* define message IDs */
#include <cdp/cdp.api_enum.h>
#include <cdp/cdp.api_types.h>
#define REPLY_MSG_ID_BASE cm->msg_id_base
#include <vlibapi/api_helper_macros.h>
/* Action function shared between message handler and debug CLI */
int
cdp_enable_disable (cdp_main_t * cm, int enable_disable)
{
int rv = 0;
if (enable_disable)
{
vnet_cdp_create_periodic_process (cm);
vlib_process_signal_event (cm->vlib_main, cm->cdp_process_node_index,
CDP_EVENT_ENABLE, 0);
}
else
{
vnet_cdp_create_periodic_process (cm);
vlib_process_signal_event (cm->vlib_main, cm->cdp_process_node_index,
CDP_EVENT_DISABLE, 0);
}
cm->enabled = enable_disable;
return rv;
}
static clib_error_t *
cdp_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
cdp_main_t *cm = &cdp_main;
int enable_disable = 1;
int rv;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "disable"))
enable_disable = 0;
else if (unformat (input, "enable"))
enable_disable = 1;
else
break;
}
rv = cdp_enable_disable (cm, enable_disable);
switch (rv)
{
case 0:
break;
default:
return clib_error_return (0, "cdp_enable_disable returned %d", rv);
}
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (cdp_command, static) =
{
.path = "cdp",
.short_help = "cdp enable | disable",
.function = cdp_command_fn,
};
/* *INDENT-ON* */
/* API message handler */
static void vl_api_cdp_enable_disable_t_handler
(vl_api_cdp_enable_disable_t * mp)
{
vl_api_cdp_enable_disable_reply_t *rmp;
cdp_main_t *cm = &cdp_main;
int rv;
rv = cdp_enable_disable (cm, (int) (mp->enable_disable));
REPLY_MACRO (VL_API_CDP_ENABLE_DISABLE_REPLY);
}
#include <cdp/cdp.api.c>
static clib_error_t *
cdp_init (vlib_main_t * vm)
{
cdp_main_t *cm = &cdp_main;
cm->vlib_main = vm;
/* Ask for a correctly-sized block of API message decode slots */
cm->msg_id_base = setup_message_id_table ();
return 0;
}
VLIB_INIT_FUNCTION (cdp_init);
/* *INDENT-OFF* */
VLIB_PLUGIN_REGISTER () =
{
.version = VPP_BUILD_VER,
.description = "Cisco Discovery Protocol (CDP)",
};
/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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