/* SPDX-License-Identifier: GPL-2.0 */ /* * Declarations of NET/ROM type objects. * * Jonathan Naylor G4KLX 9/4/95 */ #ifndef _NETROM_H #define _NETROM_H #include <linux/netrom.h> #include <linux/list.h> #include <linux/slab.h> #include <net/sock.h> #include <linux/refcount.h> #include <linux/seq_file.h> #include <net/ax25.h> #define NR_NETWORK_LEN … #define NR_TRANSPORT_LEN … #define NR_PROTO_IP … #define NR_PROTOEXT … #define NR_CONNREQ … #define NR_CONNACK … #define NR_DISCREQ … #define NR_DISCACK … #define NR_INFO … #define NR_INFOACK … #define NR_RESET … #define NR_CHOKE_FLAG … #define NR_NAK_FLAG … #define NR_MORE_FLAG … /* Define Link State constants. */ enum { … }; #define NR_COND_ACK_PENDING … #define NR_COND_REJECT … #define NR_COND_PEER_RX_BUSY … #define NR_COND_OWN_RX_BUSY … #define NR_DEFAULT_T1 … #define NR_DEFAULT_T2 … #define NR_DEFAULT_N2 … #define NR_DEFAULT_T4 … #define NR_DEFAULT_IDLE … #define NR_DEFAULT_WINDOW … #define NR_DEFAULT_OBS … #define NR_DEFAULT_QUAL … #define NR_DEFAULT_TTL … #define NR_DEFAULT_ROUTING … #define NR_DEFAULT_FAILS … #define NR_DEFAULT_RESET … #define NR_MODULUS … #define NR_MAX_WINDOW_SIZE … #define NR_MAX_PACKET_SIZE … struct nr_sock { … }; #define nr_sk(sk) … struct nr_neigh { … }; struct nr_route { … }; struct nr_node { … }; /********************************************************************* * nr_node & nr_neigh lists, refcounting and locking *********************************************************************/ #define nr_node_hold(__nr_node) … static __inline__ void nr_node_put(struct nr_node *nr_node) { … } #define nr_neigh_hold(__nr_neigh) … static __inline__ void nr_neigh_put(struct nr_neigh *nr_neigh) { … } /* nr_node_lock and nr_node_unlock also hold/put the node's refcounter. */ static __inline__ void nr_node_lock(struct nr_node *nr_node) { … } static __inline__ void nr_node_unlock(struct nr_node *nr_node) { … } #define nr_neigh_for_each(__nr_neigh, list) … #define nr_neigh_for_each_safe(__nr_neigh, node2, list) … #define nr_node_for_each(__nr_node, list) … #define nr_node_for_each_safe(__nr_node, node2, list) … /*********************************************************************/ /* 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_transport_no_activity_timeout; extern int sysctl_netrom_routing_control; extern int sysctl_netrom_link_fails_count; extern int sysctl_netrom_reset_circuit; int nr_rx_frame(struct sk_buff *, struct net_device *); void nr_destroy_socket(struct sock *); /* nr_dev.c */ int nr_rx_ip(struct sk_buff *, struct net_device *); void nr_setup(struct net_device *); /* nr_in.c */ int nr_process_rx_frame(struct sock *, struct sk_buff *); /* nr_loopback.c */ void nr_loopback_init(void); void nr_loopback_clear(void); int nr_loopback_queue(struct sk_buff *); /* nr_out.c */ void nr_output(struct sock *, struct sk_buff *); void nr_send_nak_frame(struct sock *); void nr_kick(struct sock *); void nr_transmit_buffer(struct sock *, struct sk_buff *); void nr_establish_data_link(struct sock *); void nr_enquiry_response(struct sock *); void nr_check_iframes_acked(struct sock *, unsigned short); /* nr_route.c */ void nr_rt_device_down(struct net_device *); struct net_device *nr_dev_first(void); struct net_device *nr_dev_get(ax25_address *); int nr_rt_ioctl(unsigned int, void __user *); void nr_link_failed(ax25_cb *, int); int nr_route_frame(struct sk_buff *, ax25_cb *); extern const struct seq_operations nr_node_seqops; extern const struct seq_operations nr_neigh_seqops; void nr_rt_free(void); /* nr_subr.c */ void nr_clear_queues(struct sock *); void nr_frames_acked(struct sock *, unsigned short); void nr_requeue_frames(struct sock *); int nr_validate_nr(struct sock *, unsigned short); int nr_in_rx_window(struct sock *, unsigned short); void nr_write_internal(struct sock *, int); void __nr_transmit_reply(struct sk_buff *skb, int mine, unsigned char cmdflags); /* * This routine is called when a Connect Acknowledge with the Choke Flag * set is needed to refuse a connection. */ #define nr_transmit_refusal(skb, mine) … /* * This routine is called when we don't have a circuit matching an incoming * NET/ROM packet. This is an G8PZT Xrouter extension. */ #define nr_transmit_reset(skb, mine) … void nr_disconnect(struct sock *, int); /* nr_timer.c */ void nr_init_timers(struct sock *sk); void nr_start_heartbeat(struct sock *); void nr_start_t1timer(struct sock *); void nr_start_t2timer(struct sock *); void nr_start_t4timer(struct sock *); void nr_start_idletimer(struct sock *); void nr_stop_heartbeat(struct sock *); void nr_stop_t1timer(struct sock *); void nr_stop_t2timer(struct sock *); void nr_stop_t4timer(struct sock *); void nr_stop_idletimer(struct sock *); int nr_t1timer_running(struct sock *); /* sysctl_net_netrom.c */ int nr_register_sysctl(void); void nr_unregister_sysctl(void); #endif
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