blob: c2bfa8ee16f1dc47b9859c59f0edb45f7c1fc3f8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
#ifndef __LINUX_ATALK_H__
#define __LINUX_ATALK_H__
#include <linux/types.h>
#include <asm/byteorder.h>
#include <linux/socket.h>
#define ATPORT_FIRST 1
#define ATPORT_RESERVED 128
#define ATPORT_LAST 254
#define ATADDR_ANYNET (__u16)0
#define ATADDR_ANYNODE (__u8)0
#define ATADDR_ANYPORT (__u8)0
#define ATADDR_BCAST (__u8)255
#define DDP_MAXSZ 587
#define DDP_MAXHOPS 15
#define SIOCATALKDIFADDR (SIOCPROTOPRIVATE + 0)
struct atalk_addr {
__be16 s_net;
__u8 s_node;
};
struct sockaddr_at {
__kernel_sa_family_t sat_family;
__u8 sat_port;
struct atalk_addr sat_addr;
char sat_zero[8];
};
struct atalk_netrange {
__u8 nr_phase;
__be16 nr_firstnet;
__be16 nr_lastnet;
};
#ifdef __KERNEL__
#include <net/sock.h>
struct atalk_route {
struct net_device *dev;
struct atalk_addr target;
struct atalk_addr gateway;
int flags;
struct atalk_route *next;
};
struct atalk_iface {
struct net_device *dev;
struct atalk_addr address;
int status;
#define ATIF_PROBE 1
#define ATIF_PROBE_FAIL 2
struct atalk_netrange nets;
struct atalk_iface *next;
};
struct atalk_sock {
struct sock sk;
__be16 dest_net;
__be16 src_net;
unsigned char dest_node;
unsigned char src_node;
unsigned char dest_port;
unsigned char src_port;
};
static inline struct atalk_sock *at_sk(struct sock *sk)
{
return (struct atalk_sock *)sk;
}
struct ddpehdr {
__be16 deh_len_hops;
__be16 deh_sum;
__be16 deh_dnet;
__be16 deh_snet;
__u8 deh_dnode;
__u8 deh_snode;
__u8 deh_dport;
__u8 deh_sport;
};
static __inline__ struct ddpehdr *ddp_hdr(struct sk_buff *skb)
{
return (struct ddpehdr *)skb_transport_header(skb);
}
struct elapaarp {
__be16 hw_type;
#define AARP_HW_TYPE_ETHERNET 1
#define AARP_HW_TYPE_TOKENRING 2
__be16 pa_type;
__u8 hw_len;
__u8 pa_len;
#define AARP_PA_ALEN 4
__be16 function;
#define AARP_REQUEST 1
#define AARP_REPLY 2
#define AARP_PROBE 3
__u8 hw_src[ETH_ALEN];
__u8 pa_src_zero;
__be16 pa_src_net;
__u8 pa_src_node;
__u8 hw_dst[ETH_ALEN];
__u8 pa_dst_zero;
__be16 pa_dst_net;
__u8 pa_dst_node;
} __attribute__ ((packed));
static __inline__ struct elapaarp *aarp_hdr(struct sk_buff *skb)
{
return (struct elapaarp *)skb_transport_header(skb);
}
#define AARP_EXPIRY_TIME (5 * 60 * HZ)
#define AARP_HASH_SIZE 16
#define AARP_TICK_TIME (HZ / 5)
#define AARP_RETRANSMIT_LIMIT 10
#define AARP_RESOLVE_TIME (10 * HZ)
extern struct datalink_proto *ddp_dl, *aarp_dl;
extern void aarp_proto_init(void);
static inline struct atalk_iface *atalk_find_dev(struct net_device *dev)
{
return dev->atalk_ptr;
}
extern struct atalk_addr *atalk_find_dev_addr(struct net_device *dev);
extern struct net_device *atrtr_get_dev(struct atalk_addr *sa);
extern int aarp_send_ddp(struct net_device *dev,
struct sk_buff *skb,
struct atalk_addr *sa, void *hwaddr);
extern void aarp_device_down(struct net_device *dev);
extern void aarp_probe_network(struct atalk_iface *atif);
extern int aarp_proxy_probe_network(struct atalk_iface *atif,
struct atalk_addr *sa);
extern void aarp_proxy_remove(struct net_device *dev,
struct atalk_addr *sa);
extern void aarp_cleanup_module(void);
extern struct hlist_head atalk_sockets;
extern rwlock_t atalk_sockets_lock;
extern struct atalk_route *atalk_routes;
extern rwlock_t atalk_routes_lock;
extern struct atalk_iface *atalk_interfaces;
extern rwlock_t atalk_interfaces_lock;
extern struct atalk_route atrtr_default;
extern const struct file_operations atalk_seq_arp_fops;
extern int sysctl_aarp_expiry_time;
extern int sysctl_aarp_tick_time;
extern int sysctl_aarp_retransmit_limit;
extern int sysctl_aarp_resolve_time;
#ifdef CONFIG_SYSCTL
extern void atalk_register_sysctl(void);
extern void atalk_unregister_sysctl(void);
#else
#define atalk_register_sysctl() do { } while(0)
#define atalk_unregister_sysctl() do { } while(0)
#endif
#ifdef CONFIG_PROC_FS
extern int atalk_proc_init(void);
extern void atalk_proc_exit(void);
#else
#define atalk_proc_init() ({ 0; })
#define atalk_proc_exit() do { } while(0)
#endif
#endif
#endif
|
