prefix6.cc File Reference

IPv6 Route/Prefix related utilities. More...

#include <string.h>
#include <arpa/inet.h>
#include "prefix6.h"
#include "value-op.h"

Include dependency graph for prefix6.cc:

Go to the source code of this file.

Functions
bool	libbgp::cidr_to_mask6 (uint8_t src, uint8_t dst[16])
	Convert IPv6 mask in CIDR notation to bytes array. More...
bool	libbgp::mask_ipv6 (const uint8_t prefix[16], uint8_t mask, uint8_t masked_addr[16])
	Mask a IPv6 address with given netmask. More...
bool	libbgp::v6addr_is_zero (const uint8_t prefix[16])
	Test if a IPv6 addresss is all zero. More...

Variables
const uint8_t	libbgp::CIDR_MASK_MAP6 [129][16]
const uint16_t	libbgp::zero_prefix [16]

Detailed Description

IPv6 Route/Prefix related utilities.

Author

Nato Morichika nat@n.nosp@m.at.m.nosp@m.oe

Version

0.1

Date

2019-07-21

Copyright

Copyright (c) 2019

Definition in file prefix6.cc.

Function Documentation

cidr_to_mask6()

bool libbgp::cidr_to_mask6	(	uint8_t	src,
		uint8_t	dst[16]
	)

Convert IPv6 mask in CIDR notation to bytes array.

Parameters

src	IPv6 mask in CIDR notation.
dst	Bytes array to write to.

Returns

true Converted.

false Failed to convert.

Definition at line 158 of file prefix6.cc.

References libbgp::cidr_to_mask6().

Referenced by libbgp::cidr_to_mask6(), and libbgp::Prefix6::getMask().

mask_ipv6()

bool libbgp::mask_ipv6	(	const uint8_t	prefix[16],
		uint8_t	mask,
		uint8_t	masked_addr[16]
	)

Mask a IPv6 address with given netmask.

Parameters

prefix	Prefix to mask.
mask	IPv6 mask in CIDR notation.
masked_addr	Bytes array to store masked address.

Returns

true Masked.

false Failed to mask.

Definition at line 173 of file prefix6.cc.

References libbgp::mask_ipv6().

Referenced by libbgp::Prefix6::Includes(), and libbgp::mask_ipv6().

v6addr_is_zero()

bool libbgp::v6addr_is_zero

(

const uint8_t

prefix[16]

)

Test if a IPv6 addresss is all zero.

Parameters

prefix

The prefix to test.

Returns

true Address is all zero;

false Address is not all zero.

Definition at line 195 of file prefix6.cc.

References libbgp::v6addr_is_zero().

Referenced by libbgp::BgpPathAttribMpReachNlriIpv6::length(), and libbgp::v6addr_is_zero().

Variable Documentation

zero_prefix

const uint16_t libbgp::zero_prefix[16]

Initial value:

= {
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}

Definition at line 184 of file prefix6.cc.