eth.c

来自「Compex BIOS for SAMSUNG S3C4510B v1.20-l」· C语言 代码 · 共 42 行

#include "types.h"
#include "skbuff.h"
#include "eth.h"
#include "mac.h"
#include "utils.h"

unsigned char *local_eth_addr;

int eth_init(unsigned char *mac_addr)
{
	local_eth_addr = mac_addr;
	return s3c4510_eth_init(local_eth_addr);
}

int eth_send(struct sk_buff *skb, unsigned char *dest_addr, unsigned short proto)
{
	struct ethhdr *eth_hdr;

	eth_hdr = (struct ethhdr *)skb_push(skb, ETH_HLEN);

	memcpy(eth_hdr->h_dest, dest_addr, ETH_ALEN);
	memcpy(eth_hdr->h_source, local_eth_addr, ETH_ALEN);
	eth_hdr->h_proto = htons(proto);

	return s3c4510_eth_send(skb->data, skb->len);
}

int eth_rcv(struct sk_buff *skb)
{
	return s3c4510_eth_rcv(skb->data, &skb->len);
}

void eth_skb_reserve(struct sk_buff *skb)
{
	skb_reserve(skb, ETH_HLEN);
}

void eth_exit(void)
{
	s3c4510_eth_exit();
}