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cc0e8c244d
This patch provides the utility functions to needed to synchronize the changes made to a guest domain network device's multicast filter with the corresponding macvtap device's filter on the host: * Get/add/remove multicast MAC addresses * Get the macvtap device's RX filter list Signed-off-by: Tony Krowiak <akrowiak@linux.vnet.ibm.com> Signed-off-by: Laine Stump <laine@laine.org>
62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
/*
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* virmacaddr.h: MAC address handling
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*
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* Copyright (C) 2006-2013 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Authors:
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* Daniel P. Berrange <berrange@redhat.com>
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*/
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#ifndef __VIR_MACADDR_H__
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# define __VIR_MACADDR_H__
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# include "internal.h"
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# define VIR_MAC_BUFLEN 6
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# define VIR_MAC_HEXLEN (VIR_MAC_BUFLEN * 2)
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# define VIR_MAC_PREFIX_BUFLEN 3
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# define VIR_MAC_STRING_BUFLEN (VIR_MAC_BUFLEN * 3)
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typedef struct _virMacAddr virMacAddr;
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typedef virMacAddr *virMacAddrPtr;
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struct _virMacAddr {
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unsigned char addr[VIR_MAC_BUFLEN];
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};
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int virMacAddrCompare(const char *mac1, const char *mac2);
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int virMacAddrCmp(const virMacAddr *mac1, const virMacAddr *mac2);
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int virMacAddrCmpRaw(const virMacAddr *mac1,
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const unsigned char s[VIR_MAC_BUFLEN]);
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void virMacAddrSet(virMacAddrPtr dst, const virMacAddr *src);
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void virMacAddrSetRaw(virMacAddrPtr dst, const unsigned char s[VIR_MAC_BUFLEN]);
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void virMacAddrGetRaw(const virMacAddr *src, unsigned char dst[VIR_MAC_BUFLEN]);
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const char *virMacAddrFormat(const virMacAddr *addr,
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char *str);
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void virMacAddrGenerate(const unsigned char prefix[VIR_MAC_PREFIX_BUFLEN],
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virMacAddrPtr addr);
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int virMacAddrParse(const char* str,
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virMacAddrPtr addr) ATTRIBUTE_RETURN_CHECK;
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int virMacAddrParseHex(const char* str,
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virMacAddrPtr addr)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
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bool virMacAddrIsUnicast(const virMacAddr *addr);
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bool virMacAddrIsMulticast(const virMacAddr *addr);
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bool virMacAddrIsBroadcastRaw(const unsigned char s[VIR_MAC_BUFLEN]);
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#endif /* __VIR_MACADDR_H__ */
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