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[/] [or1k/] [tags/] [initial/] [uclinux/] [uC-libc/] [include/] [net/] [netrom.h] - Rev 1769
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/* * Declarations of NET/ROM type objects. * * Jonathan Naylor G4KLX 9/4/95 */ #ifndef _NETROM_H #define _NETROM_H #include <linux/netrom.h> #define NR_SLOWHZ 10 /* Run timing at 1/10 second */ #define NR_NETWORK_LEN 15 #define NR_TRANSPORT_LEN 5 #define NR_PROTO_IP 0x0C #define NR_PROTOEXT 0x00 #define NR_CONNREQ 0x01 #define NR_CONNACK 0x02 #define NR_DISCREQ 0x03 #define NR_DISCACK 0x04 #define NR_INFO 0x05 #define NR_INFOACK 0x06 #define NR_CHOKE_FLAG 0x80 #define NR_NAK_FLAG 0x40 #define NR_MORE_FLAG 0x20 /* Define Link State constants. */ #define NR_STATE_0 0 #define NR_STATE_1 1 #define NR_STATE_2 2 #define NR_STATE_3 3 #define NR_COND_ACK_PENDING 0x01 #define NR_COND_REJECT 0x02 #define NR_COND_PEER_RX_BUSY 0x04 #define NR_COND_OWN_RX_BUSY 0x08 #define NR_DEFAULT_T1 (120 * NR_SLOWHZ) /* Outstanding frames - 120 seconds */ #define NR_DEFAULT_T2 (5 * NR_SLOWHZ) /* Response delay - 5 seconds */ #define NR_DEFAULT_N2 3 /* Number of Retries - 3 */ #define NR_DEFAULT_T4 (180 * NR_SLOWHZ) /* Busy Delay - 180 seconds */ #define NR_DEFAULT_WINDOW 4 /* Default Window Size - 4 */ #define NR_DEFAULT_OBS 6 /* Default Obsolescence Count - 6 */ #define NR_DEFAULT_QUAL 10 /* Default Neighbour Quality - 10 */ #define NR_DEFAULT_TTL 16 /* Default Time To Live - 16 */ #define NR_DEFAULT_ROUTING 1 /* Is routing enabled ? */ #define NR_DEFAULT_FAILS 2 /* Link fails until route fails */ #define NR_MODULUS 256 #define NR_MAX_WINDOW_SIZE 127 /* Maximum Window Allowable - 127 */ #define NR_MAX_PACKET_SIZE 236 /* Maximum Packet Length - 236 */ typedef struct { ax25_address user_addr, source_addr, dest_addr; struct device *device; unsigned char my_index, my_id; unsigned char your_index, your_id; unsigned char state, condition, bpqext, window; unsigned short vs, vr, va, vl; unsigned char n2, n2count; unsigned short t1, t2, t4; unsigned short t1timer, t2timer, t4timer; unsigned short fraglen; struct sk_buff_head ack_queue; struct sk_buff_head reseq_queue; struct sk_buff_head frag_queue; struct sock *sk; /* Backlink to socket */ } nr_cb; struct nr_neigh { struct nr_neigh *next; ax25_address callsign; ax25_digi *digipeat; ax25_cb *ax25; struct device *dev; unsigned char quality; unsigned char locked; unsigned short count; unsigned int number; unsigned char failed; }; struct nr_route { unsigned char quality; unsigned char obs_count; struct nr_neigh *neighbour; }; struct nr_node { struct nr_node *next; ax25_address callsign; char mnemonic[7]; unsigned char which; unsigned char count; struct nr_route routes[3]; }; /* af_netrom.c */ extern int sysctl_netrom_default_path_quality; extern int sysctl_netrom_obsolescence_count_initialiser; extern int sysctl_netrom_network_ttl_initialiser; extern int sysctl_netrom_transport_timeout; extern int sysctl_netrom_transport_maximum_tries; extern int sysctl_netrom_transport_acknowledge_delay; extern int sysctl_netrom_transport_busy_delay; extern int sysctl_netrom_transport_requested_window_size; extern int sysctl_netrom_routing_control; extern int sysctl_netrom_link_fails_count; extern int nr_rx_frame(struct sk_buff *, struct device *); extern void nr_destroy_socket(struct sock *); /* nr_dev.c */ extern int nr_rx_ip(struct sk_buff *, struct device *); extern int nr_init(struct device *); #include <net/nrcall.h> /* nr_in.c */ extern int nr_process_rx_frame(struct sock *, struct sk_buff *); /* nr_out.c */ extern void nr_output(struct sock *, struct sk_buff *); extern void nr_send_nak_frame(struct sock *); extern void nr_kick(struct sock *); extern void nr_transmit_buffer(struct sock *, struct sk_buff *); extern void nr_establish_data_link(struct sock *); extern void nr_enquiry_response(struct sock *); extern void nr_check_iframes_acked(struct sock *, unsigned short); /* nr_route.c */ extern void nr_rt_device_down(struct device *); extern struct device *nr_dev_first(void); extern struct device *nr_dev_get(ax25_address *); extern int nr_rt_ioctl(unsigned int, void *); extern void nr_link_failed(ax25_cb *, int); extern int nr_route_frame(struct sk_buff *, ax25_cb *); extern int nr_nodes_get_info(char *, char **, off_t, int, int); extern int nr_neigh_get_info(char *, char **, off_t, int, int); extern void nr_rt_free(void); /* nr_subr.c */ extern void nr_clear_queues(struct sock *); extern void nr_frames_acked(struct sock *, unsigned short); extern void nr_requeue_frames(struct sock *); extern int nr_validate_nr(struct sock *, unsigned short); extern int nr_in_rx_window(struct sock *, unsigned short); extern void nr_write_internal(struct sock *, int); extern void nr_transmit_dm(struct sk_buff *, int); /* nr_timer.c */ extern void nr_set_timer(struct sock *); /* sysctl_net_netrom.c */ extern void nr_register_sysctl(void); extern void nr_unregister_sysctl(void); /* nr_loopback.c */ extern void nr_loopback_init(void); extern void nr_loopback_clear(void); extern int nr_loopback_queue(struct sk_buff *); #endif
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