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/*
* virmacaddr.h: MAC address handling
*
* Copyright (C) 2006-2013 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "internal.h"
#define VIR_MAC_BUFLEN 6
#define VIR_MAC_HEXLEN (VIR_MAC_BUFLEN * 2)
#define VIR_MAC_PREFIX_BUFLEN 3
#define VIR_MAC_STRING_BUFLEN (VIR_MAC_BUFLEN * 3)
typedef struct _virMacAddr virMacAddr;
struct _virMacAddr {
unsigned char addr[VIR_MAC_BUFLEN];
};
/* This struct is used as a part of a larger struct that is
* overlaid on an ethernet packet captured with libpcap, so it
* must not have any extra members added - it must remain exactly
* 6 bytes in length.
*/
G_STATIC_ASSERT(sizeof(struct _virMacAddr) == 6);
int virMacAddrCompare(const char *mac1, const char *mac2);
int virMacAddrCmp(const virMacAddr *mac1, const virMacAddr *mac2);
int virMacAddrCmpRaw(const virMacAddr *mac1,
const unsigned char s[VIR_MAC_BUFLEN]);
void virMacAddrSet(virMacAddr *dst, const virMacAddr *src);
void virMacAddrSetRaw(virMacAddr *dst, const unsigned char s[VIR_MAC_BUFLEN]);
void virMacAddrGetRaw(const virMacAddr *src, unsigned char dst[VIR_MAC_BUFLEN]);
const char *virMacAddrFormat(const virMacAddr *addr,
char *str);
void virMacAddrGenerate(const unsigned char prefix[VIR_MAC_PREFIX_BUFLEN],
virMacAddr *addr) G_NO_INLINE;
int virMacAddrParse(const char* str,
virMacAddr *addr) G_GNUC_WARN_UNUSED_RESULT;
int virMacAddrParseHex(const char* str,
virMacAddr *addr)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) G_GNUC_WARN_UNUSED_RESULT;
bool virMacAddrIsUnicast(const virMacAddr *addr);
bool virMacAddrIsMulticast(const virMacAddr *addr);
bool virMacAddrIsBroadcastRaw(const unsigned char s[VIR_MAC_BUFLEN]);
void virMacAddrFree(virMacAddr *addr);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(virMacAddr, virMacAddrFree);
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