mirror of https://github.com/ARMmbed/mbed-os.git
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/*
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* Copyright (c) 2015-2017, Arm Limited and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "nsconfig.h"
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#include "string.h"
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#include "ns_types.h"
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#include "ns_trace.h"
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#include "nsdynmemLIB.h"
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#include "ns_list.h"
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#include "Common_Protocols/icmpv6_prefix.h"
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#include "common_functions.h"
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/*
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* \file icmpv6_prefix.c
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* \brief Add short description about this file!!!
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*
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*/
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prefix_entry_t *icmpv6_prefix_add(prefix_list_t *list, const uint8_t *prefixPtr, uint8_t prefix_len, uint32_t lifeTime, uint32_t prefTime, uint8_t flags)
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{
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prefix_entry_t *entry;
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entry = icmpv6_prefix_compare(list, prefixPtr, prefix_len);
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if (entry) {
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entry->options = flags;
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entry->lifetime = lifeTime;
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entry->preftime = prefTime;
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return entry;
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}
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entry = ns_dyn_mem_alloc(sizeof(prefix_entry_t));
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if (entry) {
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entry->prefix_len = prefix_len;
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entry->options = 0xff;
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entry->lifetime = lifeTime;
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entry->preftime = prefTime;
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memset(entry->prefix, 0, 16);
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bitcopy0(entry->prefix, prefixPtr, prefix_len);
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ns_list_add_to_end(list, entry);
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}
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return entry;
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}
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prefix_entry_t *icmpv6_prefix_compare(prefix_list_t *list, const uint8_t *addr, uint8_t prefix_len)
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{
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ns_list_foreach(prefix_entry_t, cur, list) {
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if (cur->prefix_len == prefix_len && bitsequal(cur->prefix, addr, prefix_len)) {
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return cur;
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}
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}
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return NULL;
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}
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void icmpv6_prefix_list_free(prefix_list_t *list)
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{
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ns_list_foreach_safe(prefix_entry_t, cur, list) {
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ns_list_remove(list, cur);
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ns_dyn_mem_free(cur);
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}
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}
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