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-rw-r--r--include/net/irda/irlmp.h295
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diff --git a/include/net/irda/irlmp.h b/include/net/irda/irlmp.h
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index f132924cc9da..000000000000
--- a/include/net/irda/irlmp.h
+++ /dev/null
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-/*********************************************************************
- *
- * Filename: irlmp.h
- * Version: 0.9
- * Description: IrDA Link Management Protocol (LMP) layer
- * Status: Experimental.
- * Author: Dag Brattli <dagb@cs.uit.no>
- * Created at: Sun Aug 17 20:54:32 1997
- * Modified at: Fri Dec 10 13:23:01 1999
- * Modified by: Dag Brattli <dagb@cs.uit.no>
- *
- * Copyright (c) 1998-1999 Dag Brattli <dagb@cs.uit.no>,
- * All Rights Reserved.
- * Copyright (c) 2000-2002 Jean Tourrilhes <jt@hpl.hp.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * Neither Dag Brattli nor University of Tromsø admit liability nor
- * provide warranty for any of this software. This material is
- * provided "AS-IS" and at no charge.
- *
- ********************************************************************/
-
-#ifndef IRLMP_H
-#define IRLMP_H
-
-#include <asm/param.h> /* for HZ */
-
-#include <linux/types.h>
-
-#include <net/irda/irda.h>
-#include <net/irda/qos.h>
-#include <net/irda/irlap.h> /* LAP_MAX_HEADER, ... */
-#include <net/irda/irlmp_event.h>
-#include <net/irda/irqueue.h>
-#include <net/irda/discovery.h>
-
-/* LSAP-SEL's */
-#define LSAP_MASK 0x7f
-#define LSAP_IAS 0x00
-#define LSAP_ANY 0xff
-#define LSAP_MAX 0x6f /* 0x70-0x7f are reserved */
-#define LSAP_CONNLESS 0x70 /* Connectionless LSAP, mostly used for Ultra */
-
-#define DEV_ADDR_ANY 0xffffffff
-
-#define LMP_HEADER 2 /* Dest LSAP + Source LSAP */
-#define LMP_CONTROL_HEADER 4 /* LMP_HEADER + opcode + parameter */
-#define LMP_PID_HEADER 1 /* Used by Ultra */
-#define LMP_MAX_HEADER (LMP_CONTROL_HEADER+LAP_MAX_HEADER)
-
-#define LM_MAX_CONNECTIONS 10
-
-#define LM_IDLE_TIMEOUT 2*HZ /* 2 seconds for now */
-
-typedef enum {
- S_PNP = 0,
- S_PDA,
- S_COMPUTER,
- S_PRINTER,
- S_MODEM,
- S_FAX,
- S_LAN,
- S_TELEPHONY,
- S_COMM,
- S_OBEX,
- S_ANY,
- S_END,
-} SERVICE;
-
-/* For selective discovery */
-typedef void (*DISCOVERY_CALLBACK1) (discinfo_t *, DISCOVERY_MODE, void *);
-/* For expiry (the same) */
-typedef void (*DISCOVERY_CALLBACK2) (discinfo_t *, DISCOVERY_MODE, void *);
-
-typedef struct {
- irda_queue_t queue; /* Must be first */
-
- __u16_host_order hints; /* Hint bits */
-} irlmp_service_t;
-
-typedef struct {
- irda_queue_t queue; /* Must be first */
-
- __u16_host_order hint_mask;
-
- DISCOVERY_CALLBACK1 disco_callback; /* Selective discovery */
- DISCOVERY_CALLBACK2 expir_callback; /* Selective expiration */
- void *priv; /* Used to identify client */
-} irlmp_client_t;
-
-/*
- * Information about each logical LSAP connection
- */
-struct lsap_cb {
- irda_queue_t queue; /* Must be first */
- magic_t magic;
-
- unsigned long connected; /* set_bit used on this */
- int persistent;
-
- __u8 slsap_sel; /* Source (this) LSAP address */
- __u8 dlsap_sel; /* Destination LSAP address (if connected) */
-#ifdef CONFIG_IRDA_ULTRA
- __u8 pid; /* Used by connectionless LSAP */
-#endif /* CONFIG_IRDA_ULTRA */
- struct sk_buff *conn_skb; /* Store skb here while connecting */
-
- struct timer_list watchdog_timer;
-
- LSAP_STATE lsap_state; /* Connection state */
- notify_t notify; /* Indication/Confirm entry points */
- struct qos_info qos; /* QoS for this connection */
-
- struct lap_cb *lap; /* Pointer to LAP connection structure */
-};
-
-/*
- * Used for caching the last slsap->dlsap->handle mapping
- *
- * We don't need to keep/match the remote address in the cache because
- * we are associated with a specific LAP (which implies it).
- * Jean II
- */
-typedef struct {
- int valid;
-
- __u8 slsap_sel;
- __u8 dlsap_sel;
- struct lsap_cb *lsap;
-} CACHE_ENTRY;
-
-/*
- * Information about each registered IrLAP layer
- */
-struct lap_cb {
- irda_queue_t queue; /* Must be first */
- magic_t magic;
-
- int reason; /* LAP disconnect reason */
-
- IRLMP_STATE lap_state;
-
- struct irlap_cb *irlap; /* Instance of IrLAP layer */
- hashbin_t *lsaps; /* LSAP associated with this link */
- struct lsap_cb *flow_next; /* Next lsap to be polled for Tx */
-
- __u8 caddr; /* Connection address */
- __u32 saddr; /* Source device address */
- __u32 daddr; /* Destination device address */
-
- struct qos_info *qos; /* LAP QoS for this session */
- struct timer_list idle_timer;
-
-#ifdef CONFIG_IRDA_CACHE_LAST_LSAP
- /* The lsap cache was moved from struct irlmp_cb to here because
- * it must be associated with the specific LAP. Also, this
- * improves performance. - Jean II */
- CACHE_ENTRY cache; /* Caching last slsap->dlsap->handle mapping */
-#endif
-};
-
-/*
- * Main structure for IrLMP
- */
-struct irlmp_cb {
- magic_t magic;
-
- __u8 conflict_flag;
-
- discovery_t discovery_cmd; /* Discovery command to use by IrLAP */
- discovery_t discovery_rsp; /* Discovery response to use by IrLAP */
-
- /* Last lsap picked automatically by irlmp_find_free_slsap() */
- int last_lsap_sel;
-
- struct timer_list discovery_timer;
-
- hashbin_t *links; /* IrLAP connection table */
- hashbin_t *unconnected_lsaps;
- hashbin_t *clients;
- hashbin_t *services;
-
- hashbin_t *cachelog; /* Current discovery log */
-
- int running;
-
- __u16_host_order hints; /* Hint bits */
-};
-
-/* Prototype declarations */
-int irlmp_init(void);
-void irlmp_cleanup(void);
-struct lsap_cb *irlmp_open_lsap(__u8 slsap, notify_t *notify, __u8 pid);
-void irlmp_close_lsap( struct lsap_cb *self);
-
-__u16 irlmp_service_to_hint(int service);
-void *irlmp_register_service(__u16 hints);
-int irlmp_unregister_service(void *handle);
-void *irlmp_register_client(__u16 hint_mask, DISCOVERY_CALLBACK1 disco_clb,
- DISCOVERY_CALLBACK2 expir_clb, void *priv);
-int irlmp_unregister_client(void *handle);
-int irlmp_update_client(void *handle, __u16 hint_mask,
- DISCOVERY_CALLBACK1 disco_clb,
- DISCOVERY_CALLBACK2 expir_clb, void *priv);
-
-void irlmp_register_link(struct irlap_cb *, __u32 saddr, notify_t *);
-void irlmp_unregister_link(__u32 saddr);
-
-int irlmp_connect_request(struct lsap_cb *, __u8 dlsap_sel,
- __u32 saddr, __u32 daddr,
- struct qos_info *, struct sk_buff *);
-void irlmp_connect_indication(struct lsap_cb *self, struct sk_buff *skb);
-int irlmp_connect_response(struct lsap_cb *, struct sk_buff *);
-void irlmp_connect_confirm(struct lsap_cb *, struct sk_buff *);
-struct lsap_cb *irlmp_dup(struct lsap_cb *self, void *instance);
-
-void irlmp_disconnect_indication(struct lsap_cb *self, LM_REASON reason,
- struct sk_buff *userdata);
-int irlmp_disconnect_request(struct lsap_cb *, struct sk_buff *userdata);
-
-void irlmp_discovery_confirm(hashbin_t *discovery_log, DISCOVERY_MODE mode);
-void irlmp_discovery_request(int nslots);
-discinfo_t *irlmp_get_discoveries(int *pn, __u16 mask, int nslots);
-void irlmp_do_expiry(void);
-void irlmp_do_discovery(int nslots);
-discovery_t *irlmp_get_discovery_response(void);
-void irlmp_discovery_expiry(discinfo_t *expiry, int number);
-
-int irlmp_data_request(struct lsap_cb *, struct sk_buff *);
-void irlmp_data_indication(struct lsap_cb *, struct sk_buff *);
-
-int irlmp_udata_request(struct lsap_cb *, struct sk_buff *);
-void irlmp_udata_indication(struct lsap_cb *, struct sk_buff *);
-
-#ifdef CONFIG_IRDA_ULTRA
-int irlmp_connless_data_request(struct lsap_cb *, struct sk_buff *, __u8);
-void irlmp_connless_data_indication(struct lsap_cb *, struct sk_buff *);
-#endif /* CONFIG_IRDA_ULTRA */
-
-void irlmp_status_indication(struct lap_cb *, LINK_STATUS link, LOCK_STATUS lock);
-void irlmp_flow_indication(struct lap_cb *self, LOCAL_FLOW flow);
-
-LM_REASON irlmp_convert_lap_reason(LAP_REASON);
-
-static inline __u32 irlmp_get_saddr(const struct lsap_cb *self)
-{
- return (self && self->lap) ? self->lap->saddr : 0;
-}
-
-static inline __u32 irlmp_get_daddr(const struct lsap_cb *self)
-{
- return (self && self->lap) ? self->lap->daddr : 0;
-}
-
-const char *irlmp_reason_str(LM_REASON reason);
-
-extern int sysctl_discovery_timeout;
-extern int sysctl_discovery_slots;
-extern int sysctl_discovery;
-extern int sysctl_lap_keepalive_time; /* in ms, default is LM_IDLE_TIMEOUT */
-extern struct irlmp_cb *irlmp;
-
-/* Check if LAP queue is full.
- * Used by IrTTP for low control, see comments in irlap.h - Jean II */
-static inline int irlmp_lap_tx_queue_full(struct lsap_cb *self)
-{
- if (self == NULL)
- return 0;
- if (self->lap == NULL)
- return 0;
- if (self->lap->irlap == NULL)
- return 0;
-
- return IRLAP_GET_TX_QUEUE_LEN(self->lap->irlap) >= LAP_HIGH_THRESHOLD;
-}
-
-/* After doing a irlmp_dup(), this get one of the two socket back into
- * a state where it's waiting incoming connections.
- * Note : this can be used *only* if the socket is not yet connected
- * (i.e. NO irlmp_connect_response() done on this socket).
- * - Jean II */
-static inline void irlmp_listen(struct lsap_cb *self)
-{
- self->dlsap_sel = LSAP_ANY;
- self->lap = NULL;
- self->lsap_state = LSAP_DISCONNECTED;
- /* Started when we received the LM_CONNECT_INDICATION */
- del_timer(&self->watchdog_timer);
-}
-
-#endif
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