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/*
* $Id: arch_eth_iface.c,v 1.4 2009-01-28 12:59:15 potyra Exp $
*
* Copyright (C) 2003-2009 FAUmachine Team <info@faumachine.org>.
* This program is free software. You can redistribute it and/or modify it
* under the terms of the GNU General Public License, either version 2 of
* the License, or (at your option) any later version. See COPYING.
*/
#ifdef INCLUDE
#if defined(OPENBSD) || defined(DARWIN)
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in_systm.h>
#include <net/if.h>
#include <termios.h>
/*
* IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble
* and FCS/CRC (frame check sequence).
* Taken from Linux /usr/include/linux/if_ether.h
*/
#define ETH_ALEN 6 /* Octets in one ethernet addr */
#define ETH_HLEN 14 /* Total octets in header. */
#define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */
#else
#include <net/ethernet.h>
#endif
#endif /* INCLUDE */
#ifdef STATE
struct {
uint8_t mac[6];
} NAME;
#endif /* STATE */
#ifdef BEHAVIOR
static void
NAME_(recv)(struct cpssp *cpssp, const unsigned char *buf, unsigned int len)
{
static const uint8_t broadcast[6] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};
const struct ether_header *hdr = (const struct ether_header *) buf;
if (memcmp(hdr->ether_dhost, broadcast, ETH_ALEN) != 0
&& memcmp(hdr->ether_dhost, cpssp->NAME.mac, ETH_ALEN) != 0) {
/* Message not for us... */
fprintf(stderr, "Dropping message for %02x:%02x:%02x:%02x:%02x:%02x.\n",
hdr->ether_dhost[0], hdr->ether_dhost[1],
hdr->ether_dhost[2], hdr->ether_dhost[3],
hdr->ether_dhost[4], hdr->ether_dhost[5]);
return;
}
NAME_(to_arp)(cpssp, buf, len);
}
static void
NAME_(create)(struct cpssp *cpssp, const uint8_t *mac)
{
memcpy(cpssp->NAME.mac, mac, sizeof(cpssp->NAME.mac));
}
static void
NAME_(destroy)(void *cpssp)
{
}
#endif /* BEHAVIOR */
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