mirror of
https://github.com/rtbrick/bngblaster.git
synced 2024-05-06 15:54:57 +00:00
Christian Giese
97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
/*
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* Common Defines
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*
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* Hannes Gredler, July 2020
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* Christian Giese, October 2020
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*
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* Copyright (C) 2020-2023, RtBrick, Inc.
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef __COMMON_H__
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#define __COMMON_H__
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#include <errno.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <string.h>
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#include <time.h>
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#include <sys/time.h>
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#include <sys/queue.h>
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#include <arpa/inet.h>
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/* Common Definitions */
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#define ETH_ADDR_LEN 6
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#define IPV4_ADDR_LEN 4
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#define IPV6_ADDR_LEN 16
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#define ISO_ADDR_LEN 20
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#define MAC_STR_LEN sizeof("00:00:00:00:00:00")
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#define IPV4_DOTTED_STR_LEN sizeof("255.255.255.255")
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#define IPV4_DOTTED_PREFIX_STR_LEN sizeof("255.255.255.255/32")
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#define IPV6_STR_LEN sizeof("0000:0000:0000:0000:0000:0000:0000:0000")
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#define IPV6_PREFIX_STR_LEN sizeof("0000:0000:0000:0000:0000:0000:0000:0000/128")
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#define ISO_STR_LEN 64
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#define SUB_STR_LEN 256
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#define CACHE_LINE_SIZE 64
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/* Macro Definitions */
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#define UNUSED(x) (void)x
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#ifndef likely
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#define likely(x) __builtin_expect((x),1)
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#endif /* likely */
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#ifndef unlikely
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#define unlikely(x) __builtin_expect((x),0)
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#endif /* unlikely */
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#define POWEROF2(x) ((((x)-1) & (x)) == 0) /* true if x is a power of 2 */
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#define BITS_TO_BYTES(_len) ((_len+7) >> 3)
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#define IO_BUF_REMAINING(_buf) (_buf->size - _buf->idx)
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/* Key-Value structure. */
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typedef struct keyval_ {
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uint32_t val; /* value */
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const char *key; /* key */
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} keyval_t;
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/* Reusable data structure for
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* reading and writing data */
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typedef struct io_buffer_ {
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uint8_t *data;
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uint32_t start_idx;
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uint32_t idx; /* end idx */
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uint32_t size;
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} io_buffer_t;
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/* Address Types */
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typedef uint32_t ipv4addr_t;
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typedef struct ipv4_prefix_ {
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uint8_t len;
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ipv4addr_t address;
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} ipv4_prefix;
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typedef uint8_t ipv6addr_t[IPV6_ADDR_LEN];
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typedef struct ipv6_prefix_ {
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uint8_t len;
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ipv6addr_t address;
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} ipv6_prefix;
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typedef uint8_t iso_addr_t[ISO_ADDR_LEN];
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typedef struct iso_prefix_ {
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uint8_t len;
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iso_addr_t address;
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} iso_prefix;
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#endif |