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/*
* mactime.c - skeleton vpp-api-test plug-in
*
* Copyright (c) <current-year> <your-organization>
* 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 <vat/vat.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <vppinfra/error.h>
#include <vppinfra/time_range.h>
uword vat_unformat_sw_if_index (unformat_input_t * input, va_list * args);
/* Declare message IDs */
#include <mactime/mactime_msg_enum.h>
/* define message structures */
#define vl_typedefs
#include <mactime/mactime_all_api_h.h>
#undef vl_typedefs
/* declare message handlers for each api */
#define vl_endianfun /* define message structures */
#include <mactime/mactime_all_api_h.h>
#undef vl_endianfun
/* instantiate all the print functions we know about */
#define vl_print(handle, ...)
#define vl_printfun
#include <mactime/mactime_all_api_h.h>
#undef vl_printfun
/* Get the API version number. */
#define vl_api_version(n,v) static u32 api_version=(v);
#include <mactime/mactime_all_api_h.h>
#undef vl_api_version
typedef struct
{
/* API message ID base */
u16 msg_id_base;
vat_main_t *vat_main;
} mactime_test_main_t;
mactime_test_main_t mactime_test_main;
#define __plugin_msg_base mactime_test_main.msg_id_base
#include <vlibapi/vat_helper_macros.h>
#define foreach_standard_reply_retval_handler \
_(mactime_enable_disable_reply) \
_(mactime_add_del_range_reply)
#define _(n) \
static void vl_api_##n##_t_handler \
(vl_api_##n##_t * mp) \
{ \
vat_main_t * vam = mactime_test_main.vat_main; \
i32 retval = ntohl(mp->retval); \
if (vam->async_mode) { \
vam->async_errors += (retval < 0); \
} else { \
vam->retval = retval; \
vam->result_ready = 1; \
} \
}
foreach_standard_reply_retval_handler;
#undef _
static u8 *
format_mac_address (u8 * s, va_list * args)
{
u8 *a = va_arg (*args, u8 *);
return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
a[0], a[1], a[2], a[3], a[4], a[5]);
}
static uword
unformat_mac_address (unformat_input_t * input, va_list * args)
{
u8 *a = va_arg (*args, u8 *);
return unformat (input, "%x:%x:%x:%x:%x:%x", &a[0], &a[1], &a[2], &a[3],
&a[4], &a[5]);
}
/*
* Table of message reply handlers, must include boilerplate handlers
* we just generated
*/
#define foreach_vpe_api_reply_msg \
_(MACTIME_ENABLE_DISABLE_REPLY, mactime_enable_disable_reply) \
_(MACTIME_ADD_DEL_RANGE_REPLY, mactime_add_del_range_reply)
static int
api_mactime_enable_disable (vat_main_t * vam)
{
unformat_input_t *i = vam->input;
int enable_disable = 1;
u32 sw_if_index = ~0;
vl_api_mactime_enable_disable_t *mp;
int ret;
/* Parse args required to build the message */
while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
{
if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index))
;
else if (unformat (i, "sw_if_index %d", &sw_if_index))
;
else if (unformat (i, "disable"))
enable_disable = 0;
else
break;
}
if (sw_if_index == ~0)
{
errmsg ("missing interface name / explicit sw_if_index number \n");
return -99;
}
/* Construct the API message */
M (MACTIME_ENABLE_DISABLE, mp);
mp->sw_if_index = ntohl (sw_if_index);
mp->enable_disable = enable_disable;
/* send it... */
S (mp);
/* Wait for a reply... */
W (ret);
return ret;
}
static int
api_mactime_add_del_range (vat_main_t * vam)
{
unformat_input_t *i = vam->input;
vl_api_mactime_add_del_range_t *mp;
u8 mac_address[8];
u8 *device_name = 0;
clib_timebase_range_t *rp = 0;
int name_set = 0;
int mac_set = 0;
u8 is_add = 1;
u8 allow = 0;
u8 drop = 0;
int ret;
int ii;
/* Parse args required to build the message */
while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
{
if (unformat (i, "name %s", &device_name))
{
vec_add1 (device_name, 0);
name_set = 1;
}
else if (unformat (i, "allow-range %U",
unformat_clib_timebase_range_vector, &rp))
allow = 1;
else if (unformat (i, "drop-range %U",
unformat_clib_timebase_range_vector, &rp))
drop = 1;
else if (unformat (i, "allow-static"))
allow = 1;
else if (unformat (i, "drop-static"))
drop = 1;
else if (unformat (i, "mac %U", unformat_mac_address, mac_address))
mac_set = 1;
else if (unformat (i, "del"))
is_add = 0;
else
break;
}
/* Sanity checks */
if (mac_set == 0)
{
vec_free (rp);
vec_free (device_name);
errmsg ("mac address required, not set\n");
return -99;
}
/* allow-range / drop-range parse errors cause this condition */
if (is_add && allow == 0 && drop == 0)
{
vec_free (rp);
vec_free (device_name);
errmsg ("neither allow nor drop set, parse error...\n");
}
/* Unlikely, but check anyhow */
if (vec_len (device_name) > ARRAY_LEN (mp->device_name))
{
vec_free (rp);
vec_free (device_name);
errmsg ("device name too long, max %d\n", ARRAY_LEN (mp->device_name));
return -99;
}
/* Cough up a device name if none set */
if (name_set == 0)
{
device_name = format (0, "mac %U%c", format_mac_address,
mac_address, 0);
}
/* Construct the API message */
M2 (MACTIME_ADD_DEL_RANGE, mp, sizeof (rp[0]) * vec_len (rp));
mp->is_add = is_add;
mp->drop = drop;
mp->allow = allow;
memcpy (mp->mac_address, mac_address, sizeof (mp->mac_address));
memcpy (mp->device_name, device_name, vec_len (device_name));
mp->count = clib_host_to_net_u32 (vec_len (rp));
for (ii = 0; ii < vec_len (rp); ii++)
{
mp->ranges[ii].start = rp[ii].start;
mp->ranges[ii].end = rp[ii].end;
}
vec_free (rp);
vec_free (device_name);
/* send it... */
S (mp);
/* Wait for a reply... */
W (ret);
return ret;
}
/*
* List of messages that the api test plugin sends,
* and that the data plane plugin processes
*/
#define foreach_vpe_api_msg \
_(mactime_enable_disable, "<intfc> [disable]") \
_(mactime_add_del_range, \
"name <devname> mac <mac-addr> allow drop\n" \
"allow-range Mon - Fri 9:00 - 17:00")
static void
mactime_api_hookup (vat_main_t * vam)
{
mactime_test_main_t *sm = &mactime_test_main;
/* Hook up handlers for replies from the data plane plug-in */
#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_vpe_api_reply_msg;
#undef _
/* API messages we can send */
#define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n);
foreach_vpe_api_msg;
#undef _
/* Help strings */
#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
foreach_vpe_api_msg;
#undef _
}
clib_error_t *
vat_plugin_register (vat_main_t * vam)
{
mactime_test_main_t *sm = &mactime_test_main;
u8 *name;
sm->vat_main = vam;
/* Ask the vpp engine for the first assigned message-id */
name = format (0, "mactime_%08x%c", api_version, 0);
sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
if (sm->msg_id_base != (u16) ~ 0)
mactime_api_hookup (vam);
vec_free (name);
return 0;
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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