blob: c1fec6b464cc7b3926bfa12e55893994d772cc32 [file] [log] [blame]
#ifndef _NET_INET_IPX_H_
#define _NET_INET_IPX_H_
* 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
#include <linux/netdevice.h>
#include <net/datalink.h>
#include <linux/ipx.h>
#include <linux/list.h>
#include <linux/slab.h>
struct ipx_address {
__be32 net;
__u8 node[IPX_NODE_LEN];
__be16 sock;
#define ipx_broadcast_node "\377\377\377\377\377\377"
#define ipx_this_node "\0\0\0\0\0\0"
struct ipxhdr {
__be16 ipx_checksum __packed;
#define IPX_NO_CHECKSUM cpu_to_be16(0xFFFF)
__be16 ipx_pktsize __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 */
struct ipx_address ipx_dest __packed;
struct ipx_address ipx_source __packed;
static __inline__ struct ipxhdr *ipx_hdr(struct sk_buff *skb)
return (struct ipxhdr *)skb_transport_header(skb);
struct ipx_interface {
/* IPX address */
__be32 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;
__be16 if_dlink_type;
/* socket support */
unsigned short if_sknum;
struct hlist_head if_sklist;
spinlock_t if_sklist_lock;
/* administrative overhead */
int if_ipx_offset;
unsigned char if_internal;
unsigned char if_primary;
struct list_head node; /* node in ipx_interfaces list */
struct ipx_route {
__be32 ir_net;
struct ipx_interface *ir_intrfc;
unsigned char ir_routed;
unsigned char ir_router_node[IPX_NODE_LEN];
struct list_head node; /* node in ipx_routes list */
atomic_t refcnt;
struct ipx_cb {
u8 ipx_tctrl;
__be32 ipx_dest_net;
__be32 ipx_source_net;
struct {
__be32 netnum;
int index;
} last_hop;
#include <net/sock.h>
struct ipx_sock {
/* struct sock has to be the first member of ipx_sock */
struct sock sk;
struct ipx_address dest_addr;
struct ipx_interface *intrfc;
__be16 port;
unsigned char node[IPX_NODE_LEN];
unsigned short type;
* To handle special ncp connection-handling sockets for mars_nwe,
* the connection number must be stored in the socket.
unsigned short ipx_ncp_conn;
static inline struct ipx_sock *ipx_sk(struct sock *sk)
return (struct ipx_sock *)sk;
#define IPX_SKB_CB(__skb) ((struct ipx_cb *)&((__skb)->cb[0]))
extern struct list_head ipx_routes;
extern rwlock_t ipx_routes_lock;
extern struct list_head ipx_interfaces;
extern struct ipx_interface *ipx_interfaces_head(void);
extern spinlock_t ipx_interfaces_lock;
extern struct ipx_interface *ipx_primary_net;
extern int ipx_proc_init(void);
extern void ipx_proc_exit(void);
extern const char *ipx_frame_name(__be16);
extern const char *ipx_device_name(struct ipx_interface *intrfc);
static __inline__ void ipxitf_hold(struct ipx_interface *intrfc)
extern void ipxitf_down(struct ipx_interface *intrfc);
static __inline__ void ipxitf_put(struct ipx_interface *intrfc)
if (atomic_dec_and_test(&intrfc->refcnt))
static __inline__ void ipxrtr_hold(struct ipx_route *rt)
static __inline__ void ipxrtr_put(struct ipx_route *rt)
if (atomic_dec_and_test(&rt->refcnt))
#endif /* _NET_INET_IPX_H_ */