mirror of https://github.com/ARMmbed/mbed-os.git
56 lines
1.8 KiB
C
56 lines
1.8 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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/*
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* \file icmpv6_prefix.h
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* \brief This module will allocate dynamic linked list for ICMPv6 prefix.
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*
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* API:
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* * ADD / UPDATE, icmpv6_prefix_add()
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* * Discover prefix from the list, icmpv6_prefix_compare()
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* * Free Linked list, icmpv6_prefix_list_free()
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*
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*/
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#ifndef ICMPV6_PREFIX_DEFINITION_H_
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#define ICMPV6_PREFIX_DEFINITION_H_
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#include "ns_list.h"
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/* Prefix Information option bits (RFC4861) */
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#define PIO_L 0x80 /* On-link flag */
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#define PIO_A 0x40 /* Autonomous address-configuration flag */
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#define PIO_R 0x20 /* Router Address flag (RFC6275) */
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typedef struct prefix_entry_t {
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uint8_t prefix_len;
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uint8_t options;
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uint32_t lifetime;
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uint32_t preftime;
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uint8_t prefix[16];
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ns_list_link_t link;
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} prefix_entry_t;
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typedef NS_LIST_HEAD(prefix_entry_t, link) prefix_list_t;
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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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prefix_entry_t *icmpv6_prefix_compare(prefix_list_t *list, const uint8_t *addr, uint8_t prefix_len);
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void icmpv6_prefix_list_free(prefix_list_t *list);
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#endif /* ICMPV6_PREFIX_DEFINITION_H_ */
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