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//
// ether.h
//
// Ethernet network
//
// Copyright (C) 2002 Michael Ringgaard. All rights reserved.
// Portions Copyright (C) 2001, Swedish Institute of Computer Science.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. Neither the name of the project nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE.
//
#ifndef ETHER_H
#define ETHER_H
#pragma pack(push, 1)
#define ETHER_HLEN 14
#define ETHER_ADDR_LEN 6
struct eth_addr {
unsigned char addr[ETHER_ADDR_LEN];
};
struct eth_hdr {
struct eth_addr dest;
struct eth_addr src;
unsigned short type;
};
#pragma pack(pop)
__inline int eth_addr_isbroadcast(struct eth_addr *addr) {
int n;
for (n = 0; n < ETHER_ADDR_LEN; n++) if (addr->addr[n] != 0xFF) return 0;
return 1;
}
krnlapi char *ether2str(struct eth_addr *hwaddr, char *s);
krnlapi unsigned long ether_crc(int length, unsigned char *data);
krnlapi struct netif *ether_netif_add(char *name, char *devname, struct ip_addr *ipaddr, struct ip_addr *netmask, struct ip_addr *gw);
krnlapi err_t ether_input(struct netif *netif, struct pbuf *p);
krnlapi err_t ether_output(struct netif *netif, struct pbuf *p, struct ip_addr *ipaddr);
void ether_init();
int register_ether_netifs();
#endif