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/* Copyright (c) 2021-2022 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 <vlib/vlib.h>
#include <vnet/fib/fib_api.h>
#include <vnet/ip/ip_format_fns.h>
#include <vnet/classify/vnet_classify.h>
#include <vat/vat.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#define __plugin_msg_base ip_session_redirect_test_main.msg_id_base
#include <vlibapi/vat_helper_macros.h>
/* declare message IDs */
#include "ip_session_redirect.api_enum.h"
#include "ip_session_redirect.api_types.h"
#include "ip_session_redirect.h"
typedef struct
{
/* API message ID base */
u16 msg_id_base;
vat_main_t *vat_main;
} ip_session_redirect_test_main_t;
ip_session_redirect_test_main_t ip_session_redirect_test_main;
static int
api_ip_session_redirect_add_parse (vat_main_t *vam, u32 *table_index,
u32 *opaque_index, dpo_proto_t *proto,
int *is_punt, u8 **match,
fib_route_path_t **paths)
{
vnet_classify_main_t *cm = &vnet_classify_main;
fib_route_path_t path;
*table_index = ~0;
*opaque_index = ~0;
*proto = DPO_PROTO_IP4;
*is_punt = 0;
*match = 0;
*paths = 0;
while (unformat_check_input (vam->input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (vam->input, "punt"))
*is_punt = 1;
else if (unformat (vam->input, "table %u", table_index))
;
else if (unformat (vam->input, "opaque-index %u", opaque_index))
;
else if (unformat (vam->input, "match %U", unformat_classify_match, cm,
match, *table_index))
;
else if (unformat (vam->input, "via %U", unformat_fib_route_path, &path,
proto))
vec_add1 (*paths, path);
else
{
clib_warning ("unknown input `%U'", format_unformat_error,
vam->input);
return -99;
}
}
return 0;
}
static int
api_ip_session_redirect_add (vat_main_t *vam)
{
vl_api_ip_session_redirect_add_t *mp;
fib_route_path_t *paths;
dpo_proto_t proto;
u32 opaque_index;
u32 table_index;
int is_punt;
int ret, i;
u8 *match;
ret = api_ip_session_redirect_add_parse (vam, &table_index, &opaque_index,
&proto, &is_punt, &match, &paths);
if (ret)
goto err;
M2 (IP_SESSION_REDIRECT_ADD, mp, vec_len (paths) * sizeof (mp->paths[0]));
mp->table_index = htonl (table_index);
mp->opaque_index = htonl (opaque_index);
mp->is_punt = is_punt;
memcpy_s (mp->match, sizeof (mp->match), match, vec_len (match));
mp->n_paths = vec_len (paths);
vec_foreach_index (i, paths)
fib_api_path_encode (&paths[i], &mp->paths[i]);
S (mp);
W (ret);
err:
vec_free (match);
vec_free (paths);
return ret;
}
static int
api_ip_session_redirect_add_v2 (vat_main_t *vam)
{
vl_api_ip_session_redirect_add_v2_t *mp;
fib_route_path_t *paths;
dpo_proto_t proto;
u32 opaque_index;
u32 table_index;
int is_punt;
int ret, i;
u8 *match;
ret = api_ip_session_redirect_add_parse (vam, &table_index, &opaque_index,
&proto, &is_punt, &match, &paths);
if (ret)
goto err;
M2 (IP_SESSION_REDIRECT_ADD_V2, mp, vec_len (paths) * sizeof (mp->paths[0]));
mp->table_index = htonl (table_index);
mp->opaque_index = htonl (opaque_index);
mp->proto = fib_api_path_dpo_proto_to_nh (proto);
mp->is_punt = is_punt;
memcpy_s (mp->match, sizeof (mp->match), match, vec_len (match));
mp->n_paths = vec_len (paths);
vec_foreach_index (i, paths)
fib_api_path_encode (&paths[i], &mp->paths[i]);
S (mp);
W (ret);
err:
vec_free (match);
vec_free (paths);
return ret;
}
static int
api_ip_session_redirect_del (vat_main_t *vam)
{
vnet_classify_main_t *cm = &vnet_classify_main;
vl_api_ip_session_redirect_del_t *mp;
u32 table_index = ~0;
u8 *match = 0;
int ret;
while (unformat_check_input (vam->input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (vam->input, "table %u", &table_index))
;
else if (unformat (vam->input, "match %U", unformat_classify_match, cm,
&match, table_index))
;
else
{
clib_warning ("unknown input '%U'", format_unformat_error,
vam->input);
return -99;
}
}
M2 (IP_SESSION_REDIRECT_DEL, mp, vec_len (match));
mp->table_index = htonl (table_index);
mp->match_len = htonl (vec_len (match));
clib_memcpy (mp->match, match, vec_len (match));
S (mp);
W (ret);
return ret;
}
#include "ip_session_redirect.api_test.c"
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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