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/*
* arping VAT support
*
* Copyright (c) 2021 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 <inttypes.h>
#include <vat/vat.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <vppinfra/error.h>
#include <arping/arping.h>
#define __plugin_msg_base arping_test_main.msg_id_base
#include <vlibapi/vat_helper_macros.h>
#include <vlibmemory/vlib.api_types.h>
/* declare message IDs */
#include <vnet/format_fns.h>
#include <arping/arping.api_enum.h>
#include <arping/arping.api_types.h>
#include <vnet/ip/ip_types_api.h>
typedef struct
{
/* API message ID base */
u16 msg_id_base;
u32 ping_id;
vat_main_t *vat_main;
} arping_test_main_t;
arping_test_main_t arping_test_main;
/* arping request API */
static int
api_arping (vat_main_t *vam)
{
vl_api_arping_t *mp;
arping_args_t args = { 0 };
int ret;
unformat_input_t *input = vam->input;
f64 interval = ARPING_DEFAULT_INTERVAL;
vl_api_control_ping_t *mp_ping;
arping_test_main_t *atm = &arping_test_main;
args.repeat = ARPING_DEFAULT_REPEAT;
args.interval = ARPING_DEFAULT_INTERVAL;
args.sw_if_index = ~0;
if (unformat (input, "gratuitous"))
args.is_garp = 1;
if (unformat (input, "%U", unformat_ip4_address, &args.address.ip.ip4))
args.address.version = AF_IP4;
else if (unformat (input, "%U", unformat_ip6_address, &args.address.ip.ip6))
args.address.version = AF_IP6;
else
{
errmsg ("expecting IP4/IP6 address `%U'. Usage: arping [gratuitous] "
"<addr> <intf> [repeat <count>] [interval <secs>]",
format_unformat_error, input);
return -99;
}
if (!unformat_user (input, api_unformat_sw_if_index, vam, &args.sw_if_index))
{
errmsg ("unknown interface `%U'", format_unformat_error, input);
return -99;
}
/* parse the rest of the parameters in a cycle */
while (!unformat_eof (input, NULL))
{
if (unformat (input, "interval"))
{
if (!unformat (input, "%f", &interval))
{
errmsg ("expecting interval (floating point number) got `%U'",
format_unformat_error, input);
return -99;
}
args.interval = interval;
}
else if (unformat (input, "repeat"))
{
if (!unformat (input, "%u", &args.repeat))
{
errmsg ("expecting repeat count but got `%U'",
format_unformat_error, input);
return -99;
}
}
else
{
errmsg ("unknown input `%U'", format_unformat_error, input);
return -99;
}
}
M (ARPING, mp);
mp->interval = clib_host_to_net_f64 (args.interval);
mp->repeat = clib_host_to_net_u32 (args.repeat);
mp->is_garp = args.is_garp;
mp->sw_if_index = clib_host_to_net_u32 (args.sw_if_index);
ip_address_encode2 (&args.address, &mp->address);
S (mp);
/* Use a control ping for synchronization */
if (!atm->ping_id)
atm->ping_id = vl_msg_api_get_msg_index ((u8 *) (VL_API_CONTROL_PING_CRC));
mp_ping = vl_msg_api_alloc_as_if_client (sizeof (*mp_ping));
mp_ping->_vl_msg_id = htons (atm->ping_id);
mp_ping->client_index = vam->my_client_index;
fformat (vam->ofp, "Sending ping id=%d\n", atm->ping_id);
vam->result_ready = 0;
S (mp_ping);
W (ret);
return ret;
}
/* arping-create reply handler */
static void
vl_api_arping_reply_t_handler (vl_api_arping_reply_t *mp)
{
vat_main_t *vam = arping_test_main.vat_main;
i32 retval = ntohl (mp->retval);
if (retval == 0)
{
fformat (vam->ofp, "arping request reply count = %d\n",
ntohl (mp->reply_count));
}
vam->retval = retval;
vam->result_ready = 1;
}
static int
api_arping_acd (vat_main_t *vam)
{
// NOT YET IMPLEMENTED
return -99;
}
static void
vl_api_arping_acd_reply_t_handler (vl_api_arping_reply_t *mp)
{
// NOT YET IMPLEMENTED
}
#include <arping/arping.api_test.c>
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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