ip.h

来自「Boot code for ADM5120 with serial consol」· C头文件 代码 · 共 62 行

/*****************************************************************************
;
;   (C) Unpublished Work of ADMtek Incorporated.  All Rights Reserved.
;
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;------------------------------------------------------------------------------
;
;    Project : Common Plateform
;    Creator : 
;    File    : ip.h
;    Abstract: defines the specific items that loader nedded.
;
;Modification History:
;       By              Date     Ver.   Modification Description
;       --------------- -------- -----  --------------------------------------
;
;*****************************************************************************/
#ifndef __IP_H
#define __IP_H

#define UDP  0x11


/*
 *	This structure defines an ip header.
 */

struct iphdr {

	unsigned char	ihl:4,
			version:4;
	unsigned char	tos;
	unsigned short	tot_len;
	unsigned short	id;
	unsigned short	frag_off;
	unsigned char	ttl;
	unsigned char	protocol;
	unsigned short	check;
	unsigned long	saddr;
	unsigned long	daddr;
	/*The options start here. */
}__attribute__ ((packed));

int ip_init(void);
int ip_rcv_packet(struct sk_buff *skb);
int ip_send(struct sk_buff *skb, unsigned long ip, unsigned char proto);
void ip_skb_reserve(struct sk_buff *skb);
unsigned long ip_get_source_ip(struct sk_buff *skb);

#endif /* __IP_H */