ipx.h

unxi下共享内存的使用

#ifndef _IPX_H_
#define _IPX_H_
#include <linux/sockios.h>
#include <linux/socket.h>
#define IPX_NODE_LEN	6
#define IPX_MTU		576

struct sockaddr_ipx
{
	sa_family_t	sipx_family;
	__u16		sipx_port;
	__u32		sipx_network;
	unsigned char 	sipx_node[IPX_NODE_LEN];
	__u8		sipx_type;
	unsigned char	sipx_zero;	/* 16 byte fill */
};

/*
 *	So we can fit the extra info for SIOCSIFADDR into the address nicely
 */
 
#define sipx_special	sipx_port
#define sipx_action	sipx_zero
#define IPX_DLTITF	0
#define IPX_CRTITF	1

typedef struct ipx_route_definition
{
	__u32         ipx_network;
	__u32         ipx_router_network;
	unsigned char ipx_router_node[IPX_NODE_LEN];
}	ipx_route_definition;

typedef struct ipx_interface_definition
{
	__u32         ipx_network;
	unsigned char ipx_device[16];
	unsigned char ipx_dlink_type;
#define IPX_FRAME_NONE		0
#define IPX_FRAME_SNAP		1
#define IPX_FRAME_8022		2
#define IPX_FRAME_ETHERII	3
#define IPX_FRAME_8023		4
#define IPX_FRAME_TR_8022       5 /* obsolete */
	unsigned char ipx_special;
#define IPX_SPECIAL_NONE	0
#define IPX_PRIMARY		1
#define IPX_INTERNAL		2
	unsigned char ipx_node[IPX_NODE_LEN];
}	ipx_interface_definition;
	
typedef struct ipx_config_data
{
	unsigned char	ipxcfg_auto_select_primary;
	unsigned char	ipxcfg_auto_create_interfaces;
}	ipx_config_data;

/*
 * OLD Route Definition for backward compatibility.
 */

struct ipx_route_def
{
	__u32         ipx_network;
	__u32         ipx_router_network;
#define IPX_ROUTE_NO_ROUTER	0
	unsigned char ipx_router_node[IPX_NODE_LEN];
	unsigned char ipx_device[16];
	unsigned short ipx_flags;
#define IPX_RT_SNAP		8
#define IPX_RT_8022		4
#define IPX_RT_BLUEBOOK		2
#define IPX_RT_ROUTED		1
};

#define SIOCAIPXITFCRT		(SIOCPROTOPRIVATE)
#define SIOCAIPXPRISLT		(SIOCPROTOPRIVATE+1)
#define SIOCIPXCFGDATA		(SIOCPROTOPRIVATE+2)
#define SIOCIPXNCPCONN		(SIOCPROTOPRIVATE+3)

#ifdef __KERNEL__
#include <linux/skbuff.h>

extern int ipxrtr_route_skb(struct sk_buff *);
extern int ipx_if_offset(unsigned long ipx_net_number);
extern void ipx_remove_socket(struct sock *sk);
#endif /* def __KERNEL__ */

#endif /* def _IPX_H_ */