#ifndef __LINUX_ATALK_H__
#define __LINUX_ATALK_H__
+
+#include <asm/byteorder.h>
+
/*
* AppleTalk networking structures
*
#define SIOCATALKDIFADDR (SIOCPROTOPRIVATE + 0)
struct atalk_addr {
- __u16 s_net;
+ __be16 s_net;
__u8 s_node;
};
struct atalk_netrange {
__u8 nr_phase;
- __u16 nr_firstnet;
- __u16 nr_lastnet;
+ __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_sock {
- unsigned short dest_net;
- unsigned short src_net;
+ /* struct sock has to be the first member of 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;
};
-#ifdef __KERNEL__
+static inline struct atalk_sock *at_sk(struct sock *sk)
+{
+ return (struct atalk_sock *)sk;
+}
#include <asm/byteorder.h>
struct ddpehdr {
-#ifdef __LITTLE_ENDIAN_BITFIELD
- __u16 deh_len:10,
- deh_hops:4,
- deh_pad:2;
-#else
- __u16 deh_pad:2,
- deh_hops:4,
- deh_len:10;
-#endif
- __u16 deh_sum;
- __u16 deh_dnet;
- __u16 deh_snet;
+ __be16 deh_len_hops; /* lower 10 bits are length, next 4 - hops */
+ __be16 deh_sum;
+ __be16 deh_dnet;
+ __be16 deh_snet;
__u8 deh_dnode;
__u8 deh_snode;
__u8 deh_dport;
return (struct ddpehdr *)skb->h.raw;
}
-/*
- * Don't drop the struct into the struct above. You'll get some
- * surprise padding.
- */
-struct ddpebits {
-#ifdef __LITTLE_ENDIAN_BITFIELD
- __u16 deh_len:10,
- deh_hops:4,
- deh_pad:2;
-#else
- __u16 deh_pad:2,
- deh_hops:4,
- deh_len:10;
-#endif
-};
-
-/* Short form header */
-struct ddpshdr {
-#ifdef __LITTLE_ENDIAN_BITFIELD
- __u16 dsh_len:10,
- dsh_pad:6;
-#else
- __u16 dsh_pad:6,
- dsh_len:10;
-#endif
- __u8 dsh_dport;
- __u8 dsh_sport;
- /* And netatalk apps expect to stick the type in themselves */
-};
-
/* AppleTalk AARP headers */
struct elapaarp {
- __u16 hw_type;
+ __be16 hw_type;
#define AARP_HW_TYPE_ETHERNET 1
#define AARP_HW_TYPE_TOKENRING 2
- __u16 pa_type;
+ __be16 pa_type;
__u8 hw_len;
__u8 pa_len;
#define AARP_PA_ALEN 4
- __u16 function;
+ __be16 function;
#define AARP_REQUEST 1
#define AARP_REPLY 2
#define AARP_PROBE 3
- __u8 hw_src[ETH_ALEN] __attribute__ ((packed));
- __u8 pa_src_zero __attribute__ ((packed));
- __u16 pa_src_net __attribute__ ((packed));
- __u8 pa_src_node __attribute__ ((packed));
- __u8 hw_dst[ETH_ALEN] __attribute__ ((packed));
- __u8 pa_dst_zero __attribute__ ((packed));
- __u16 pa_dst_net __attribute__ ((packed));
- __u8 pa_dst_node __attribute__ ((packed));
-};
+ __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)
{
extern int aarp_send_ddp(struct net_device *dev,
struct sk_buff *skb,
struct atalk_addr *sa, void *hwaddr);
-extern void aarp_send_probe(struct net_device *dev,
- struct atalk_addr *addr);
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);
-#ifdef MODULE
-extern void aarp_cleanup_module(void);
-#endif /* MODULE */
-
-#define at_sk(__sk) ((struct atalk_sock *)(__sk)->sk_protinfo)
+extern void aarp_cleanup_module(void);
extern struct hlist_head atalk_sockets;
extern rwlock_t atalk_sockets_lock;
extern struct atalk_route atrtr_default;
+extern 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 /* CONFIG_PROC_FS */
#endif /* __KERNEL__ */
#endif /* __LINUX_ATALK_H__ */