58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
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/*
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* Common functions for Wired Ethernet driver interfaces
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* Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi>
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* Copyright (c) 2004, Gunter Burchardt <tira@isx.de>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#include "includes.h"
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#include "common.h"
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#include "eloop.h"
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#include "driver.h"
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#include "driver_wired_common.h"
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#include <sys/ioctl.h>
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#include <net/if.h>
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#ifdef __linux__
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#include <netpacket/packet.h>
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#include <net/if_arp.h>
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#include <net/if.h>
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#endif /* __linux__ */
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#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__) */
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#ifdef __sun__
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#include <sys/sockio.h>
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#endif /* __sun__ */
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int wired_multicast_membership(int sock, int ifindex, const u8 *addr, int add)
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{
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#ifdef __linux__
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struct packet_mreq mreq;
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if (sock < 0)
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return -1;
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os_memset(&mreq, 0, sizeof(mreq));
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mreq.mr_ifindex = ifindex;
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mreq.mr_type = PACKET_MR_MULTICAST;
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mreq.mr_alen = ETH_ALEN;
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os_memcpy(mreq.mr_address, addr, ETH_ALEN);
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if (setsockopt(sock, SOL_PACKET,
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add ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP,
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&mreq, sizeof(mreq)) < 0) {
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wpa_printf(MSG_ERROR, "setsockopt: %s", strerror(errno));
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return -1;
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}
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return 0;
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#else /* __linux__ */
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return -1;
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#endif /* __linux__ */
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}
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