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/*
* Copyright (c) 2020 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.
*/
#ifndef included_ip_table_h
#define included_ip_table_h
#include <vlib/vlib.h>
/* ip table add delete callback */
typedef struct _vnet_ip_table_function_list_elt
{
struct _vnet_ip_table_function_list_elt *next_ip_table_function;
clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 table_id, u32 flags);
} _vnet_ip_table_function_list_elt_t;
typedef enum vnet_ip_table_function_priority_t_
{
VNET_IP_TABLE_FUNC_PRIORITY_LOW,
VNET_IP_TABLE_FUNC_PRIORITY_HIGH,
} vnet_ip_table_function_priority_t;
#define VNET_IP_TABLE_FUNC_N_PRIO ((vnet_ip_table_function_priority_t)VNET_IP_TABLE_FUNC_PRIORITY_HIGH+1)
#ifndef CLIB_MARCH_VARIANT
#define _VNET_IP_TABLE_FUNCTION_DECL_PRIO(f,tag,p) \
\
static void __vnet_ip_table_function_init_##tag##_##f (void) \
__attribute__((__constructor__)) ; \
\
static void __vnet_ip_table_function_init_##tag##_##f (void) \
{ \
vnet_main_t * vnm = vnet_get_main(); \
static _vnet_ip_table_function_list_elt_t init_function; \
init_function.next_ip_table_function = vnm->tag##_functions[p]; \
vnm->tag##_functions[p] = &init_function; \
init_function.fp = (void *) &f; \
} \
static void __vnet_ip_table_function_deinit_##tag##_##f (void) \
__attribute__((__destructor__)) ; \
\
static void __vnet_ip_table_function_deinit_##tag##_##f (void) \
{ \
vnet_main_t * vnm = vnet_get_main(); \
_vnet_ip_table_function_list_elt_t *next; \
if (vnm->tag##_functions[p]->fp == f) \
{ \
vnm->tag##_functions[p] = \
vnm->tag##_functions[p]->next_ip_table_function; \
return; \
} \
next = vnm->tag##_functions[p]; \
while (next->next_ip_table_function) \
{ \
if (next->next_ip_table_function->fp == f) \
{ \
next->next_ip_table_function = \
next->next_ip_table_function->next_ip_table_function; \
return; \
} \
next = next->next_ip_table_function; \
} \
}
#else
/* create unused pointer to silence compiler warnings and get whole
function optimized out */
#define _VNET_IP_TABLE_FUNCTION_DECL_PRIO(f,tag,p) \
static __clib_unused void * __clib_unused_##f = f;
#endif
#define _VNET_IP_TABLE_FUNCTION_DECL(f,tag) \
_VNET_IP_TABLE_FUNCTION_DECL_PRIO(f,tag,VNET_ITF_FUNC_PRIORITY_LOW)
#define VNET_IP_TABLE_ADD_DEL_FUNCTION(f) \
_VNET_IP_TABLE_FUNCTION_DECL(f,ip_table_add_del)
#endif /* included_ip_table_h */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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