patch-2.4.19 linux-2.4.19/include/net/bluetooth/hci_core.h

• Lines: 586
• Date: Fri Aug 2 17:39:46 2002
• Orig file: linux-2.4.18/include/net/bluetooth/hci_core.h
• Orig date: Fri Sep 7 09:28:38 2001

diff -urN linux-2.4.18/include/net/bluetooth/hci_core.h linux-2.4.19/include/net/bluetooth/hci_core.h
@@ -23,7 +23,7 @@
 */
 
 /* 
- * $Id: hci_core.h,v 1.11 2001/08/05 06:02:15 maxk Exp $ 
+ * $Id: hci_core.h,v 1.4 2002/06/25 22:04:43 maxk Exp $ 
  */
 
 #ifndef __HCI_CORE_H
@@ -32,14 +32,12 @@
 #include <net/bluetooth/hci.h>
 
 /* HCI upper protocols */
-#define HCI_MAX_PROTO 	1
 #define HCI_PROTO_L2CAP	0
+#define HCI_PROTO_SCO	1
 
 #define HCI_INIT_TIMEOUT (HZ * 10)
 
-/* ----- Inquiry cache ----- */
-#define INQUIRY_CACHE_AGE_MAX   (HZ*5)    // 5 seconds
-#define INQUIRY_ENTRY_AGE_MAX   (HZ*60)   // 60 seconds
+/* HCI Core structures */
 
 struct inquiry_entry {
 	struct inquiry_entry 	*next;
@@ -53,111 +51,180 @@
 	struct inquiry_entry 	*list;
 };
 
-static inline void inquiry_cache_init(struct inquiry_cache *cache)
-{
-	spin_lock_init(&cache->lock);
-	cache->list = NULL;
-}
+struct conn_hash {
+	struct list_head list;
+	spinlock_t       lock;
+	unsigned int     num;
+};
 
-static inline void inquiry_cache_lock(struct inquiry_cache *cache)
-{
-	spin_lock(&cache->lock);
-}
+struct hci_dev {
+	struct list_head list;
+	spinlock_t	lock;
+	atomic_t 	refcnt;
 
-static inline void inquiry_cache_unlock(struct inquiry_cache *cache)
-{
-	spin_unlock(&cache->lock);
-}
+	char		name[8];
+	unsigned long	flags;
+	__u16		id;
+	__u8	 	type;
+	bdaddr_t	bdaddr;
+	__u8		features[8];
 
-static inline void inquiry_cache_lock_bh(struct inquiry_cache *cache)
-{
-	spin_lock_bh(&cache->lock);
-}
+	__u16		pkt_type;
+	__u16		link_policy;
+	__u16		link_mode;
+	
+	atomic_t 	cmd_cnt;
+	unsigned int 	acl_cnt;
+	unsigned int 	sco_cnt;
 
-static inline void inquiry_cache_unlock_bh(struct inquiry_cache *cache)
-{
-	spin_unlock_bh(&cache->lock);
-}
+	unsigned int	acl_mtu;
+	unsigned int 	sco_mtu;
+	unsigned int	acl_pkts;
+	unsigned int	sco_pkts;
 
-static inline long inquiry_cache_age(struct inquiry_cache *cache)
-{
-	return jiffies - cache->timestamp;
-}
+	unsigned long   cmd_last_tx;
+	unsigned long   acl_last_tx;
+	unsigned long   sco_last_tx;
+	
+	struct tasklet_struct 	cmd_task;
+	struct tasklet_struct	rx_task;
+	struct tasklet_struct 	tx_task;
 
-static inline long inquiry_entry_age(struct inquiry_entry *e)
-{
-	return jiffies - e->timestamp;
-}
-extern void inquiry_cache_flush(struct inquiry_cache *cache);
+	struct sk_buff_head	rx_q;
+	struct sk_buff_head 	raw_q;
+	struct sk_buff_head 	cmd_q;
 
-struct hci_dev;
+	struct sk_buff     	*sent_cmd;
+
+	struct semaphore	req_lock;
+	wait_queue_head_t	req_wait_q;
+	__u32			req_status;
+	__u32			req_result;
+
+	struct inquiry_cache 	inq_cache;
+	struct conn_hash 	conn_hash;
+
+	struct hci_dev_stats 	stat;
+
+	void			*driver_data;
+	void			*core_data;
+
+	atomic_t 		promisc;
+
+	int (*open)(struct hci_dev *hdev);
+	int (*close)(struct hci_dev *hdev);
+	int (*flush)(struct hci_dev *hdev);
+	int (*send)(struct sk_buff *skb);
+	void (*destruct)(struct hci_dev *hdev);
+	int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
+};
 
-/* ----- HCI Connections ----- */
 struct hci_conn {
 	struct list_head list;
+
+	atomic_t	 refcnt;
+	spinlock_t	 lock;
+
 	bdaddr_t         dst;
 	__u16            handle;
+	__u16            state;
 	__u8		 type;
-	unsigned int     sent;
+	__u8		 out;
+	__u32		 link_mode;
+	unsigned long	 pend;
+	
+	unsigned int	 sent;
+	
+	struct sk_buff_head data_q;
 
+	struct timer_list timer;
+	
 	struct hci_dev 	*hdev;
 	void		*l2cap_data;
+	void		*sco_data;
 	void		*priv;
 
-	struct sk_buff_head data_q;
+	struct hci_conn *link;
 };
 
-struct conn_hash {
-	struct list_head list;
-	spinlock_t       lock;
-	unsigned int     num;
-};
+extern struct hci_proto *hci_proto[];
+extern struct list_head hdev_list;
+extern spinlock_t hdev_list_lock;
+
+/* ----- Inquiry cache ----- */
+#define INQUIRY_CACHE_AGE_MAX   (HZ*30)   // 30 seconds
+#define INQUIRY_ENTRY_AGE_MAX   (HZ*60)   // 60 seconds
+
+#define inquiry_cache_lock(c)		spin_lock(&c->lock)
+#define inquiry_cache_unlock(c)		spin_unlock(&c->lock)
+#define inquiry_cache_lock_bh(c)	spin_lock_bh(&c->lock)
+#define inquiry_cache_unlock_bh(c)	spin_unlock_bh(&c->lock)
 
-static inline void conn_hash_init(struct conn_hash *h)
+static inline void inquiry_cache_init(struct hci_dev *hdev)
 {
-	INIT_LIST_HEAD(&h->list);
-	spin_lock_init(&h->lock);
-	h->num = 0;	
+	struct inquiry_cache *c = &hdev->inq_cache;
+	spin_lock_init(&c->lock);
+	c->list = NULL;
 }
 
-static inline void conn_hash_lock(struct conn_hash *h)
+static inline long inquiry_cache_age(struct hci_dev *hdev)
 {
-	spin_lock(&h->lock);
+	struct inquiry_cache *c = &hdev->inq_cache;
+	return jiffies - c->timestamp;
 }
 
-static inline void conn_hash_unlock(struct conn_hash *h)
+static inline long inquiry_entry_age(struct inquiry_entry *e)
 {
-	spin_unlock(&h->lock);
+	return jiffies - e->timestamp;
 }
 
-static inline void __conn_hash_add(struct conn_hash *h, __u16 handle, struct hci_conn *c)
+struct inquiry_entry *inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
+void inquiry_cache_update(struct hci_dev *hdev, inquiry_info *info);
+void inquiry_cache_flush(struct hci_dev *hdev);
+int  inquiry_cache_dump(struct hci_dev *hdev, int num, __u8 *buf);
+
+/* ----- HCI Connections ----- */
+enum {
+	HCI_CONN_AUTH_PEND,
+	HCI_CONN_ENCRYPT_PEND
+};
+
+#define hci_conn_lock(c)	spin_lock(&c->lock)
+#define hci_conn_unlock(c)	spin_unlock(&c->lock)
+#define hci_conn_lock_bh(c)	spin_lock_bh(&c->lock)
+#define hci_conn_unlock_bh(c)	spin_unlock_bh(&c->lock)
+
+#define conn_hash_lock(d)	spin_lock(&d->conn_hash->lock)
+#define conn_hash_unlock(d)	spin_unlock(&d->conn_hash->lock)
+#define conn_hash_lock_bh(d)	spin_lock_bh(&d->conn_hash->lock)
+#define conn_hash_unlock_bh(d)	spin_unlock_bh(&d->conn_hash->lock)
+
+static inline void conn_hash_init(struct hci_dev *hdev)
 {
-	list_add(&c->list, &h->list);
-	h->num++;
+	struct conn_hash *h = &hdev->conn_hash;
+	INIT_LIST_HEAD(&h->list);
+	spin_lock_init(&h->lock);
+	h->num = 0;	
 }
 
-static inline void conn_hash_add(struct conn_hash *h, __u16 handle, struct hci_conn *c)
+static inline void conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
 {
-	conn_hash_lock(h);
-	__conn_hash_add(h, handle, c);
-	conn_hash_unlock(h);
+	struct conn_hash *h = &hdev->conn_hash;
+	list_add(&c->list, &h->list);
+	h->num++;
 }
 
-static inline void __conn_hash_del(struct conn_hash *h, struct hci_conn *c)
+static inline void conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
 {
+	struct conn_hash *h = &hdev->conn_hash;
 	list_del(&c->list);
 	h->num--;
 }
 
-static inline void conn_hash_del(struct conn_hash *h, struct hci_conn *c)
-{
-	conn_hash_lock(h);
-	__conn_hash_del(h, c);
-	conn_hash_unlock(h);
-}
-
-static inline  struct hci_conn *__conn_hash_lookup(struct conn_hash *h, __u16 handle)
+static inline struct hci_conn *conn_hash_lookup_handle(struct hci_dev *hdev,
+	       				__u16 handle)
 {
+	register struct conn_hash *h = &hdev->conn_hash;
 	register struct list_head *p;
 	register struct hci_conn  *c;
 
@@ -169,101 +236,89 @@
         return NULL;
 }
 
-static inline struct hci_conn *conn_hash_lookup(struct conn_hash *h, __u16 handle)
+static inline struct hci_conn *conn_hash_lookup_ba(struct hci_dev *hdev,
+					__u8 type, bdaddr_t *ba)
 {
-	struct hci_conn *conn;
+	register struct conn_hash *h = &hdev->conn_hash;
+	register struct list_head *p;
+	register struct hci_conn  *c;
 
-	conn_hash_lock(h);
-	conn = __conn_hash_lookup(h, handle);
-	conn_hash_unlock(h);
-	return conn;
+	list_for_each(p, &h->list) {
+		c = list_entry(p, struct hci_conn, list);
+		if (c->type == type && !bacmp(&c->dst, ba))
+			return c;
+	}
+        return NULL;
 }
 
-/* ----- HCI Devices ----- */
-struct hci_dev {
-	atomic_t 	refcnt;
-
-	char		name[8];
-	__u32	 	flags;
-	__u16		id;
-	__u8	 	type;
-	bdaddr_t	bdaddr;
-	__u8		features[8];
-
-	__u16		pkt_type;
+void hci_acl_connect(struct hci_conn *conn);
+void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
+void hci_add_sco(struct hci_conn *conn, __u16 handle);
 
-	atomic_t 	cmd_cnt;
-	unsigned int 	acl_cnt;
-	unsigned int 	sco_cnt;
+struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
+int    hci_conn_del(struct hci_conn *conn);
+void   hci_conn_hash_flush(struct hci_dev *hdev);
 
-	unsigned int	acl_mtu;
-	unsigned int 	sco_mtu;
-	unsigned int	acl_max;
-	unsigned int	sco_max;
-
-	void		*driver_data;
-	void		*l2cap_data;
-	void		*priv;
-
-	struct tasklet_struct 	cmd_task;
-	struct tasklet_struct	rx_task;
-	struct tasklet_struct 	tx_task;
-
-	struct sk_buff_head	rx_q;
-	struct sk_buff_head 	raw_q;
-	struct sk_buff_head 	cmd_q;
-
-	struct sk_buff     	*sent_cmd;
-
-	struct semaphore	req_lock;
-	wait_queue_head_t	req_wait_q;
-	__u32			req_status;
-	__u32			req_result;
-
-	struct inquiry_cache 	inq_cache;
-
-	struct conn_hash 	conn_hash;
+struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *src);
+int hci_conn_auth(struct hci_conn *conn);
+int hci_conn_encrypt(struct hci_conn *conn);
 
-	struct hci_dev_stats 	stat;
-
-	int (*open)(struct hci_dev *hdev);
-	int (*close)(struct hci_dev *hdev);
-	int (*flush)(struct hci_dev *hdev);
-	int (*send)(struct sk_buff *skb);
-};
+static inline void hci_conn_set_timer(struct hci_conn *conn, long timeout)
+{
+	mod_timer(&conn->timer, jiffies + timeout);
+}
 
-static inline void hci_dev_hold(struct hci_dev *hdev)
+static inline void hci_conn_del_timer(struct hci_conn *conn)
 {
-	atomic_inc(&hdev->refcnt);
+	del_timer(&conn->timer);
 }
 
-static inline void hci_dev_put(struct hci_dev *hdev)
+static inline void hci_conn_hold(struct hci_conn *conn)
 {
-	atomic_dec(&hdev->refcnt);
+	atomic_inc(&conn->refcnt);
+	hci_conn_del_timer(conn);
 }
 
-extern struct hci_dev *hci_dev_get(int index);
-extern int hci_register_dev(struct hci_dev *hdev);
-extern int hci_unregister_dev(struct hci_dev *hdev);
-extern int hci_dev_open(__u16 dev);
-extern int hci_dev_close(__u16 dev);
-extern int hci_dev_reset(__u16 dev);
-extern int hci_dev_reset_stat(__u16 dev);
-extern int hci_dev_info(unsigned long arg);
-extern int hci_dev_list(unsigned long arg);
-extern int hci_dev_setscan(unsigned long arg);
-extern int hci_dev_setauth(unsigned long arg);
-extern int hci_dev_setptype(unsigned long arg);
-extern int hci_conn_list(unsigned long arg);
-extern int hci_inquiry(unsigned long arg);
+static inline void hci_conn_put(struct hci_conn *conn)
+{
+	if (atomic_dec_and_test(&conn->refcnt) && conn->out)
+		hci_conn_set_timer(conn, HCI_DISCONN_TIMEOUT);
+}
 
-extern __u32 hci_dev_setmode(struct hci_dev *hdev, __u32 mode);
-extern __u32 hci_dev_getmode(struct hci_dev *hdev);
+/* ----- HCI Devices ----- */
+static inline void hci_dev_put(struct hci_dev *d)
+{ 
+	if (atomic_dec_and_test(&d->refcnt))
+		d->destruct(d);
+}
+#define hci_dev_hold(d)		atomic_inc(&d->refcnt)
+
+#define hci_dev_lock(d)		spin_lock(&d->lock)
+#define hci_dev_unlock(d)	spin_unlock(&d->lock)
+#define hci_dev_lock_bh(d)	spin_lock_bh(&d->lock)
+#define hci_dev_unlock_bh(d)	spin_unlock_bh(&d->lock)
+
+struct hci_dev *hci_dev_get(int index);
+struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
+int hci_register_dev(struct hci_dev *hdev);
+int hci_unregister_dev(struct hci_dev *hdev);
+int hci_dev_open(__u16 dev);
+int hci_dev_close(__u16 dev);
+int hci_dev_reset(__u16 dev);
+int hci_dev_reset_stat(__u16 dev);
+int hci_dev_cmd(unsigned int cmd, unsigned long arg);
+int hci_get_dev_list(unsigned long arg);
+int hci_get_dev_info(unsigned long arg);
+int hci_get_conn_list(unsigned long arg);
+int hci_get_conn_info(struct hci_dev *hdev, unsigned long arg);
+int hci_inquiry(unsigned long arg);
 
-extern int hci_recv_frame(struct sk_buff *skb);
+int  hci_recv_frame(struct sk_buff *skb);
+void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
 
 /* ----- LMP capabilities ----- */
 #define lmp_rswitch_capable(dev) (dev->features[0] & LMP_RSWITCH)
+#define lmp_encrypt_capable(dev) (dev->features[0] & LMP_ENCRYPT)
 
 /* ----- HCI tasks ----- */
 static inline void hci_sched_cmd(struct hci_dev *hdev)
@@ -284,43 +339,132 @@
 /* ----- HCI protocols ----- */
 struct hci_proto {
 	char 		*name;
-	__u32		id;
-	__u32		flags;
+	unsigned int 	id;
+	unsigned long	flags;
 
 	void		*priv;
 
-	int (*connect_ind) 	(struct hci_dev *hdev, bdaddr_t *bdaddr);
-	int (*connect_cfm)	(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 status, struct hci_conn *conn);
+	int (*connect_ind) 	(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type);
+	int (*connect_cfm)	(struct hci_conn *conn, __u8 status);
 	int (*disconn_ind)	(struct hci_conn *conn, __u8 reason);
-	int (*recv_acldata)	(struct hci_conn *conn, struct sk_buff *skb , __u16 flags);
+	int (*recv_acldata)	(struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
 	int (*recv_scodata)	(struct hci_conn *conn, struct sk_buff *skb);
+	int (*auth_cfm)		(struct hci_conn *conn, __u8 status);
+	int (*encrypt_cfm)	(struct hci_conn *conn, __u8 status);
 };
 
-extern int hci_register_proto(struct hci_proto *hproto);
-extern int hci_unregister_proto(struct hci_proto *hproto);
-extern int hci_register_notifier(struct notifier_block *nb);
-extern int hci_unregister_notifier(struct notifier_block *nb);
-extern int hci_connect(struct hci_dev * hdev, bdaddr_t * bdaddr);
-extern int hci_disconnect(struct hci_conn *conn, __u8 reason);
-extern int hci_send_cmd(struct hci_dev *hdev, __u16 ogf, __u16 ocf, __u32 plen, void * param);
-extern int hci_send_raw(struct sk_buff *skb);
-extern int hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
-extern int hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
+static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type)
+{
+	register struct hci_proto *hp;
+	int mask = 0;
+	
+	hp = hci_proto[HCI_PROTO_L2CAP];
+	if (hp && hp->connect_ind)
+		mask |= hp->connect_ind(hdev, bdaddr, type);
+
+	hp = hci_proto[HCI_PROTO_SCO];
+	if (hp && hp->connect_ind)
+		mask |= hp->connect_ind(hdev, bdaddr, type);
+
+	return mask;
+}
+
+static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
+{
+	register struct hci_proto *hp;
+
+	hp = hci_proto[HCI_PROTO_L2CAP];
+	if (hp && hp->connect_cfm)
+		hp->connect_cfm(conn, status);
+
+	hp = hci_proto[HCI_PROTO_SCO];
+	if (hp && hp->connect_cfm)
+		hp->connect_cfm(conn, status);
+}
+
+static inline void hci_proto_disconn_ind(struct hci_conn *conn, __u8 reason)
+{
+	register struct hci_proto *hp;
+
+	hp = hci_proto[HCI_PROTO_L2CAP];
+	if (hp && hp->disconn_ind)
+		hp->disconn_ind(conn, reason);
+
+	hp = hci_proto[HCI_PROTO_SCO];
+	if (hp && hp->disconn_ind)
+		hp->disconn_ind(conn, reason);
+}
+
+static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
+{
+	register struct hci_proto *hp;
+
+	hp = hci_proto[HCI_PROTO_L2CAP];
+	if (hp && hp->auth_cfm)
+		hp->auth_cfm(conn, status);
+
+	hp = hci_proto[HCI_PROTO_SCO];
+	if (hp && hp->auth_cfm)
+		hp->auth_cfm(conn, status);
+}
+
+static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status)
+{
+	register struct hci_proto *hp;
+
+	hp = hci_proto[HCI_PROTO_L2CAP];
+	if (hp && hp->encrypt_cfm)
+		hp->encrypt_cfm(conn, status);
+
+	hp = hci_proto[HCI_PROTO_SCO];
+	if (hp && hp->encrypt_cfm)
+		hp->encrypt_cfm(conn, status);
+}
+
+int hci_register_proto(struct hci_proto *hproto);
+int hci_unregister_proto(struct hci_proto *hproto);
+int hci_register_notifier(struct notifier_block *nb);
+int hci_unregister_notifier(struct notifier_block *nb);
+
+int hci_send_cmd(struct hci_dev *hdev, __u16 ogf, __u16 ocf, __u32 plen, void *param);
+int hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
+int hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
+int hci_send_raw(struct sk_buff *skb);
+
+void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 ogf, __u16 ocf);
+
+void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
 
 /* ----- HCI Sockets ----- */
-extern void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
+void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
 
 /* HCI info for socket */
-#define hci_pi(sk)	((struct hci_pinfo *) &sk->protinfo)
+#define hci_pi(sk)	((struct hci_pinfo *) &sk->tp_pinfo)
 struct hci_pinfo {
 	struct hci_dev 	  *hdev;
 	struct hci_filter filter;
 	__u32             cmsg_mask;
 };
 
+/* HCI security filter */
+#define HCI_SFLT_MAX_OGF 4
+
+struct hci_sec_filter {
+	__u32 type_mask;
+	__u32 event_mask[2];
+	__u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
+};
+
+
 /* ----- HCI requests ----- */
 #define HCI_REQ_DONE	  0
 #define HCI_REQ_PEND	  1
 #define HCI_REQ_CANCELED  2
 
+#define hci_req_lock(d)		down(&d->req_lock)
+#define hci_req_unlock(d)	up(&d->req_lock)
+
+void hci_req_complete(struct hci_dev *hdev, int result);
+void hci_req_cancel(struct hci_dev *hdev, int err);
+
 #endif /* __HCI_CORE_H */