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/*

 *      The following information is in its entirety obtained from:

 *

 *      Novell 'IPX Router Specification' Version 1.10

 *              Part No. 107-000029-001

 *

 *      Which is available from ftp.novell.com

 */

#ifndef _NET_INET_IPX_H_

#define _NET_INET_IPX_H_

#include <linux/netdevice.h>

#include <net/datalink.h>

#include <linux/ipx.h>

typedef struct

{

        __u32   net;

        __u8    node[IPX_NODE_LEN];

        __u16   sock;

} ipx_address;

#define ipx_broadcast_node      "\377\377\377\377\377\377"

#define ipx_this_node           "\0\0\0\0\0\0"

#define IPX_MAX_PPROP_HOPS 8

struct ipxhdr

{

        __u16           ipx_checksum __attribute__ ((packed));

#define IPX_NO_CHECKSUM 0xFFFF

        __u16           ipx_pktsize __attribute__ ((packed));

        __u8            ipx_tctrl;

        __u8            ipx_type;

#define IPX_TYPE_UNKNOWN        0x00

#define IPX_TYPE_RIP            0x01    /* may also be 0 */

#define IPX_TYPE_SAP            0x04    /* may also be 0 */

#define IPX_TYPE_SPX            0x05    /* SPX protocol */

#define IPX_TYPE_NCP            0x11    /* $lots for docs on this (SPIT) */

#define IPX_TYPE_PPROP          0x14    /* complicated flood fill brdcast */

        ipx_address     ipx_dest __attribute__ ((packed));

        ipx_address     ipx_source __attribute__ ((packed));

};

typedef struct ipx_interface {

        /* IPX address */

        __u32           if_netnum;

        unsigned char   if_node[IPX_NODE_LEN];

        atomic_t        refcnt;

        /* physical device info */

        struct net_device       *if_dev;

        struct datalink_proto   *if_dlink;

        unsigned short  if_dlink_type;

        /* socket support */

        unsigned short  if_sknum;

        struct sock     *if_sklist;

        spinlock_t      if_sklist_lock;

        /* administrative overhead */

        int             if_ipx_offset;

        unsigned char   if_internal;

        unsigned char   if_primary;

        struct ipx_interface    *if_next;

}       ipx_interface;

typedef struct ipx_route {

        __u32         ir_net;

        ipx_interface *ir_intrfc;

        unsigned char ir_routed;

        unsigned char ir_router_node[IPX_NODE_LEN];

        struct ipx_route *ir_next;

        atomic_t      refcnt;

}       ipx_route;

#ifdef __KERNEL__

struct ipx_cb {

        u8 ipx_tctrl;

        u32 ipx_dest_net;

        u32 ipx_source_net;

        struct {

                u32 netnum;

                int index;

        } last_hop;

};

#endif

#define IPX_MIN_EPHEMERAL_SOCKET        0x4000

#define IPX_MAX_EPHEMERAL_SOCKET        0x7fff

extern int ipx_register_spx(struct proto_ops **, struct net_proto_family *);

extern int ipx_unregister_spx(void);

#endif /* def _NET_INET_IPX_H_ */