/* * 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 <vnet/vnet.h> 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: */