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l2filter.h
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1/*
2 * SPDX-FileCopyrightText: 2017 Freie Universität Berlin
3 * SPDX-License-Identifier: LGPL-2.1-only
4 */
5
6#pragma once
7
30
31#include <stddef.h>
32#include <stdint.h>
33#include <stdbool.h>
34#include <errno.h>
35
36#ifdef __cplusplus
37extern "C" {
38#endif
39
48#ifndef CONFIG_L2FILTER_ADDR_MAXLEN
49#define CONFIG_L2FILTER_ADDR_MAXLEN (8U)
50#endif
51
55#ifndef CONFIG_L2FILTER_LISTSIZE
56#define CONFIG_L2FILTER_LISTSIZE (8U)
57#endif
59
67typedef struct {
68 uint8_t addr[CONFIG_L2FILTER_ADDR_MAXLEN];
69 size_t addr_len;
70} l2filter_t;
71
88int l2filter_add(l2filter_t *list, const void *addr, size_t addr_len);
89
104int l2filter_rm(l2filter_t *list, const void *addr, size_t addr_len);
105
127bool l2filter_pass(const l2filter_t *list, const void *addr, size_t addr_len);
128
129#ifdef __cplusplus
130}
131#endif
132
CONFIG_L2FILTER_ADDR_MAXLEN
#define CONFIG_L2FILTER_ADDR_MAXLEN
Maximal length of addresses that can be stored in the filter list.
Definition l2filter.h:49
l2filter_rm
int l2filter_rm(l2filter_t *list, const void *addr, size_t addr_len)
Remove an entry from the given filter list.
l2filter_pass
bool l2filter_pass(const l2filter_t *list, const void *addr, size_t addr_len)
Check if the given address passes the set filters.
l2filter_add
int l2filter_add(l2filter_t *list, const void *addr, size_t addr_len)
Add an entry to a devices filter list.
l2filter_t
Filter list entries.
Definition l2filter.h:67
l2filter_t::addr_len
size_t addr_len
address length in byte
Definition l2filter.h:69
l2filter_t::addr
uint8_t addr[CONFIG_L2FILTER_ADDR_MAXLEN]
link layer address
Definition l2filter.h:68