diff options
Diffstat (limited to 'linux/src/include/linux/atalk.h')
| -rw-r--r-- | linux/src/include/linux/atalk.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/linux/src/include/linux/atalk.h b/linux/src/include/linux/atalk.h new file mode 100644 index 00000000..c1a5d640 --- /dev/null +++ b/linux/src/include/linux/atalk.h @@ -0,0 +1,157 @@ +/* + * Appletalk networking structures + * + * The following are directly referenced from the University Of Michigan + * netatalk for compatibility reasons. + */ + +#ifndef __LINUX_ATALK_H__ +#define __LINUX_ATALK_H__ + +#define SIOCATALKDIFADDR (SIOCPROTOPRIVATE + 0) + +#define ATPORT_FIRST 1 +#define ATPORT_RESERVED 128 +#define ATPORT_LAST 255 +#define ATADDR_ANYNET (__u16)0 +#define ATADDR_ANYNODE (__u8)0 +#define ATADDR_ANYPORT (__u8)0 +#define ATADDR_BCAST (__u8)255 +#define DDP_MAXSZ 587 + +struct at_addr +{ + __u16 s_net; + __u8 s_node; +}; + +struct sockaddr_at +{ + short sat_family; + __u8 sat_port; + struct at_addr sat_addr; + char sat_zero[ 8 ]; +}; + +struct netrange +{ + __u8 nr_phase; + __u16 nr_firstnet; + __u16 nr_lastnet; +}; + +struct atalk_route +{ + struct device *dev; + struct at_addr target; + struct at_addr gateway; + int flags; + struct atalk_route *next; +}; + +struct atalk_iface +{ + struct device *dev; + struct at_addr address; /* Our address */ + int status; /* What are we doing ?? */ +#define ATIF_PROBE 1 /* Probing for an address */ +#define ATIF_PROBE_FAIL 2 /* Probe collided */ + struct netrange nets; /* Associated direct netrange */ + struct atalk_iface *next; +}; + +struct atalk_sock +{ + unsigned short dest_net; + unsigned short src_net; + unsigned char dest_node; + unsigned char src_node; + unsigned char dest_port; + unsigned char src_port; +}; + +#define DDP_MAXHOPS 15 /* 4 bits of hop counter */ + +#ifdef __KERNEL__ + +#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; + __u8 deh_dnode; + __u8 deh_snode; + __u8 deh_dport; + __u8 deh_sport; + /* And netatalk apps expect to stick the type in themselves */ +}; + +/* + * Unused (and currently unsupported) + */ + +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; +#define AARP_HW_TYPE_ETHERNET 1 +#define AARP_HW_TYPE_TOKENRING 2 + __u16 pa_type; + __u8 hw_len; + __u8 pa_len; +#define AARP_PA_ALEN 4 + __u16 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)); +}; + +typedef struct sock atalk_socket; + +#define AARP_EXPIRY_TIME (5*60*HZ) /* Not specified - how long till we drop a resolved entry */ +#define AARP_HASH_SIZE 16 /* Size of hash table */ +#define AARP_TICK_TIME (HZ/5) /* Fast retransmission timer when resolving */ +#define AARP_RETRANSMIT_LIMIT 10 /* Send 10 requests then give up (2 seconds) */ +#define AARP_RESOLVE_TIME (10*HZ) /* Some value bigger than total retransmit time + a bit for last reply to appear and to stop continual requests */ + +extern struct datalink_proto *ddp_dl, *aarp_dl; +extern void aarp_proto_init(void); +/* Inter module exports */ +extern struct atalk_iface *atalk_find_dev(struct device *dev); +extern struct at_addr *atalk_find_dev_addr(struct device *dev); +extern int aarp_send_ddp(struct device *dev,struct sk_buff *skb, struct at_addr *sa, void *hwaddr); +extern void aarp_send_probe(struct device *dev, struct at_addr *addr); +#ifdef MODULE +extern void aarp_cleanup_module(void); +#endif + +#endif +#endif |