/* * 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. */ /** * @file * @brief IP prefix management on interfaces */ #ifndef included_ip_interface_h #define included_ip_interface_h #include <vnet/ip/lookup.h> clib_error_t *ip_interface_address_add (ip_lookup_main_t * lm, u32 sw_if_index, void *address, u32 address_length, u32 * result_index); clib_error_t *ip_interface_address_del (ip_lookup_main_t * lm, vnet_main_t * vnm, u32 addr_index, void *address, u32 address_length, u32 sw_if_index); void *ip_interface_get_first_ip (u32 sw_if_index, u8 is_ip4); void ip_interface_address_mark (void); void ip_interface_address_sweep (void); u32 ip_interface_address_find (ip_lookup_main_t * lm, void *addr_fib, u32 address_length); u8 ip_interface_has_address (u32 sw_if_index, ip46_address_t * ip, u8 is_ip4); always_inline void * ip_interface_address_get_address (ip_lookup_main_t * lm, ip_interface_address_t * a) { return mhash_key_to_mem (&lm->address_to_if_address_index, a->address_key); } always_inline ip_interface_prefix_t * ip_get_interface_prefix (ip_lookup_main_t * lm, ip_interface_prefix_key_t * k) { uword *p = mhash_get (&lm->prefix_to_if_prefix_index, k); return p ? pool_elt_at_index (lm->if_prefix_pool, p[0]) : 0; } /* *INDENT-OFF* */ #define foreach_ip_interface_address(lm,a,sw_if_index,loop,body) \ do { \ vnet_main_t *_vnm = vnet_get_main(); \ u32 _sw_if_index = sw_if_index; \ vnet_sw_interface_t *_swif; \ _swif = vnet_get_sw_interface (_vnm, _sw_if_index); \ \ /* \ * Loop => honor unnumbered interface addressing. \ */ \ if (_swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED) \ { \ if (loop) \ _sw_if_index = _swif->unnumbered_sw_if_index; \ else \ /* the interface is unnumbered, by the caller does not want \ * unnumbered interfaces considered/honoured */ \ break; \ } \ u32 _ia = ((vec_len((lm)->if_address_pool_index_by_sw_if_index) \ > (_sw_if_index)) ? \ vec_elt ((lm)->if_address_pool_index_by_sw_if_index, \ (_sw_if_index)) : \ (u32)~0); \ ip_interface_address_t * _a; \ while (_ia != ~0) \ { \ _a = pool_elt_at_index ((lm)->if_address_pool, _ia); \ _ia = _a->next_this_sw_interface; \ (a) = _a; \ body; \ } \ } while (0) /* *INDENT-ON* */ #endif /* included_ip_interface_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */