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/*
* 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 <urpf/urpf.h>
#include <vnet/plugin/plugin.h>
#include <vnet/ip/ip_types_api.h>
#include <vpp/app/version.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
/* define message IDs */
#include <vnet/format_fns.h>
#include <urpf/urpf.api_enum.h>
#include <urpf/urpf.api_types.h>
#include <vnet/fib/fib_table.h>
#include <vnet/ip/ip_types.h>
/**
* Base message ID fot the plugin
*/
static u32 urpf_base_msg_id;
#define REPLY_MSG_ID_BASE urpf_base_msg_id
#include <vlibapi/api_helper_macros.h>
static int
urpf_mode_decode (vl_api_urpf_mode_t in, urpf_mode_t * out)
{
if (0)
;
#define _(a,b) \
else if (URPF_API_MODE_##a == in) \
{ \
*out = URPF_MODE_##a; \
return (0); \
}
foreach_urpf_mode
#undef _
return (VNET_API_ERROR_INVALID_VALUE);
}
static void
vl_api_urpf_update_t_handler (vl_api_urpf_update_t * mp)
{
vl_api_urpf_update_reply_t *rmp;
ip_address_family_t af;
urpf_mode_t mode;
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
rv = urpf_mode_decode (mp->mode, &mode);
if (rv)
goto done;
rv = ip_address_family_decode (mp->af, &af);
if (rv)
goto done;
rv = urpf_update (mode, htonl (mp->sw_if_index), af,
(mp->is_input ? VLIB_RX : VLIB_TX), 0);
if (rv)
goto done;
BAD_SW_IF_INDEX_LABEL;
done:
REPLY_MACRO (VL_API_URPF_UPDATE_REPLY);
}
static void
vl_api_urpf_update_v2_t_handler (vl_api_urpf_update_v2_t *mp)
{
vl_api_urpf_update_reply_t *rmp;
ip_address_family_t af;
urpf_mode_t mode;
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
rv = urpf_mode_decode (mp->mode, &mode);
if (rv)
goto done;
rv = ip_address_family_decode (mp->af, &af);
if (rv)
goto done;
rv = urpf_update (mode, htonl (mp->sw_if_index), af,
(mp->is_input ? VLIB_RX : VLIB_TX), ntohl (mp->table_id));
if (rv)
goto done;
BAD_SW_IF_INDEX_LABEL;
done:
REPLY_MACRO (VL_API_URPF_UPDATE_V2_REPLY);
}
#include <urpf/urpf.api.c>
static clib_error_t *
urpf_api_init (vlib_main_t * vm)
{
/* Ask for a correctly-sized block of API message decode slots */
urpf_base_msg_id = setup_message_id_table ();
return 0;
}
VLIB_INIT_FUNCTION (urpf_api_init);
/* *INDENT-OFF* */
VLIB_PLUGIN_REGISTER () = {
.version = VPP_BUILD_VER,
.description = "Unicast Reverse Path Forwarding (uRPF)",
};
/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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