1 /*
2 * The following information is in its entirety obtained from:
3 *
4 * Novell 'IPX Router Specification' Version 1.10
5 * Part No. 107-000029-001
6 *
7 * Which is available from ftp.novell.com
8 */
9
10 #ifndef _NET_INET_IPX_H_
11 #define _NET_INET_IPX_H_
12
13 #include <linux/netdevice.h>
14 #include <net/datalink.h>
15 #include <linux/ipx.h>
16
17 typedef struct
18 {
19 __u32 net;
20 __u8 node[IPX_NODE_LEN];
21 __u16 sock;
22 } ipx_address;
23
24 #define ipx_broadcast_node "\377\377\377\377\377\377"
25 #define ipx_this_node "\0\0\0\0\0\0"
26
27 struct ipxhdr
28 {
29 __u16 ipx_checksum __attribute__ ((packed));
30 #define IPX_NO_CHECKSUM 0xFFFF
31 __u16 ipx_pktsize __attribute__ ((packed));
32 __u8 ipx_tctrl;
33 __u8 ipx_type;
34 #define IPX_TYPE_UNKNOWN 0x00
35 #define IPX_TYPE_RIP 0x01 /* may also be 0 */
36 #define IPX_TYPE_SAP 0x04 /* may also be 0 */
37 #define IPX_TYPE_SPX 0x05 /* SPX protocol */
38 #define IPX_TYPE_NCP 0x11 /* $lots for docs on this (SPIT) */
39 #define IPX_TYPE_PPROP 0x14 /* complicated flood fill brdcast [Not supported] */
40 ipx_address ipx_dest __attribute__ ((packed));
41 ipx_address ipx_source __attribute__ ((packed));
42 };
43
44 typedef struct ipx_interface {
45 /* IPX address */
46 __u32 if_netnum;
47 unsigned char if_node[IPX_NODE_LEN];
48 atomic_t refcnt;
49
50 /* physical device info */
51 struct net_device *if_dev;
52 struct datalink_proto *if_dlink;
53 unsigned short if_dlink_type;
54
55 /* socket support */
56 unsigned short if_sknum;
57 struct sock *if_sklist;
58 spinlock_t if_sklist_lock;
59
60 /* administrative overhead */
61 int if_ipx_offset;
62 unsigned char if_internal;
63 unsigned char if_primary;
64
65 struct ipx_interface *if_next;
66 } ipx_interface;
67
68 typedef struct ipx_route {
69 __u32 ir_net;
70 ipx_interface *ir_intrfc;
71 unsigned char ir_routed;
72 unsigned char ir_router_node[IPX_NODE_LEN];
73 struct ipx_route *ir_next;
74 } ipx_route;
75
76 #ifdef __KERNEL__
77 struct ipx_cb {
78 u8 ipx_tctrl;
79 u32 ipx_dest_net;
80 u32 ipx_source_net;
81 int last_hop_index;
82 };
83 #endif
84 #define IPX_MIN_EPHEMERAL_SOCKET 0x4000
85 #define IPX_MAX_EPHEMERAL_SOCKET 0x7fff
86
87 extern int ipx_register_spx(struct proto_ops **, struct net_proto_family *);
88 extern int ipx_unregister_spx(void);
89
90 #endif /* def _NET_INET_IPX_H_ */
91
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