patch-2.4.19 linux-2.4.19/net/bluetooth/hci_event.c

• Lines: 875
• Date: Fri Aug 2 17:39:46 2002
• Orig file: linux-2.4.18/net/bluetooth/hci_event.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/net/bluetooth/hci_event.c linux-2.4.19/net/bluetooth/hci_event.c
@@ -0,0 +1,874 @@
+/* 
+   BlueZ - Bluetooth protocol stack for Linux
+   Copyright (C) 2000-2001 Qualcomm Incorporated
+
+   Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License version 2 as
+   published by the Free Software Foundation;
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
+   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
+   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
+   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
+   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 
+   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 
+   SOFTWARE IS DISCLAIMED.
+*/
+
+/*
+ * HCI Events.
+ *
+ * $Id: hci_event.c,v 1.3 2002/04/17 17:37:16 maxk Exp $
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/poll.h>
+#include <linux/fcntl.h>
+#include <linux/init.h>
+#include <linux/skbuff.h>
+#include <linux/interrupt.h>
+#include <linux/notifier.h>
+#include <net/sock.h>
+
+#include <asm/system.h>
+#include <asm/uaccess.h>
+#include <asm/unaligned.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+#ifndef HCI_CORE_DEBUG
+#undef  BT_DBG
+#define BT_DBG( A... )
+#endif
+
+/* Handle HCI Event packets */
+
+/* Command Complete OGF LINK_CTL  */
+static void hci_cc_link_ctl(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb)
+{
+	BT_DBG("%s ocf 0x%x", hdev->name, ocf);
+
+	switch (ocf) {
+	default:
+		BT_DBG("%s Command complete: ogf LINK_CTL ocf %x", hdev->name, ocf);
+		break;
+	};
+}
+
+/* Command Complete OGF LINK_POLICY  */
+static void hci_cc_link_policy(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb)
+{
+	struct hci_conn *conn;
+	role_discovery_rp *rd;
+
+	BT_DBG("%s ocf 0x%x", hdev->name, ocf);
+
+	switch (ocf) {
+	case OCF_ROLE_DISCOVERY: 
+		rd = (void *) skb->data;
+
+		if (rd->status)
+			break;
+		
+		hci_dev_lock(hdev);
+	
+		conn = conn_hash_lookup_handle(hdev, __le16_to_cpu(rd->handle));
+		if (conn) {
+			if (rd->role)
+				conn->link_mode &= ~HCI_LM_MASTER;
+			else
+				conn->link_mode |= HCI_LM_MASTER;
+		}
+			
+		hci_dev_unlock(hdev);
+		break;
+
+	default:
+		BT_DBG("%s: Command complete: ogf LINK_POLICY ocf %x", 
+				hdev->name, ocf);
+		break;
+	};
+}
+
+/* Command Complete OGF HOST_CTL  */
+static void hci_cc_host_ctl(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb)
+{
+	__u8 status, param;
+	void *sent;
+
+	BT_DBG("%s ocf 0x%x", hdev->name, ocf);
+
+	switch (ocf) {
+	case OCF_RESET:
+		status = *((__u8 *) skb->data);
+		hci_req_complete(hdev, status);
+		break;
+
+	case OCF_SET_EVENT_FLT:
+		status = *((__u8 *) skb->data);
+		if (status) {
+			BT_DBG("%s SET_EVENT_FLT failed %d", hdev->name, status);
+		} else {
+			BT_DBG("%s SET_EVENT_FLT succeseful", hdev->name);
+		}
+		break;
+
+	case OCF_WRITE_AUTH_ENABLE:
+		sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_AUTH_ENABLE);
+		if (!sent)
+			break;
+
+		status = *((__u8 *) skb->data);
+		param  = *((__u8 *) sent);
+
+		if (!status) {
+			if (param == AUTH_ENABLED)
+				set_bit(HCI_AUTH, &hdev->flags);
+			else
+				clear_bit(HCI_AUTH, &hdev->flags);
+		}
+		hci_req_complete(hdev, status);
+		break;
+
+	case OCF_WRITE_ENCRYPT_MODE:
+		sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_ENCRYPT_MODE);
+		if (!sent)
+			break;
+
+		status = *((__u8 *) skb->data);
+		param  = *((__u8 *) sent);
+
+		if (!status) {
+			if (param)
+				set_bit(HCI_ENCRYPT, &hdev->flags);
+			else
+				clear_bit(HCI_ENCRYPT, &hdev->flags);
+		}
+		hci_req_complete(hdev, status);
+		break;
+
+	case OCF_WRITE_CA_TIMEOUT:
+		status = *((__u8 *) skb->data);
+		if (status) {
+			BT_DBG("%s OCF_WRITE_CA_TIMEOUT failed %d", hdev->name, status);
+		} else {
+			BT_DBG("%s OCF_WRITE_CA_TIMEOUT succeseful", hdev->name);
+		}
+		break;
+
+	case OCF_WRITE_PG_TIMEOUT:
+		status = *((__u8 *) skb->data);
+		if (status) {
+			BT_DBG("%s OCF_WRITE_PG_TIMEOUT failed %d", hdev->name, status);
+		} else {
+			BT_DBG("%s: OCF_WRITE_PG_TIMEOUT succeseful", hdev->name);
+		}
+		break;
+
+	case OCF_WRITE_SCAN_ENABLE:
+		sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_SCAN_ENABLE);
+		if (!sent)
+			break;
+		status = *((__u8 *) skb->data);
+		param  = *((__u8 *) sent);
+
+		BT_DBG("param 0x%x", param);
+
+		if (!status) {
+			clear_bit(HCI_PSCAN, &hdev->flags);
+			clear_bit(HCI_ISCAN, &hdev->flags);
+			if (param & SCAN_INQUIRY) 
+				set_bit(HCI_ISCAN, &hdev->flags);
+
+			if (param & SCAN_PAGE) 
+				set_bit(HCI_PSCAN, &hdev->flags);
+		}
+		hci_req_complete(hdev, status);
+		break;
+
+	case OCF_HOST_BUFFER_SIZE:
+		status = *((__u8 *) skb->data);
+		if (status) {
+			BT_DBG("%s OCF_BUFFER_SIZE failed %d", hdev->name, status);
+			hci_req_complete(hdev, status);
+		}
+		break;
+
+	default:
+		BT_DBG("%s Command complete: ogf HOST_CTL ocf %x", hdev->name, ocf);
+		break;
+	};
+}
+
+/* Command Complete OGF INFO_PARAM  */
+static void hci_cc_info_param(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb)
+{
+	read_local_features_rp *lf;
+	read_buffer_size_rp *bs;
+	read_bd_addr_rp *ba;
+
+	BT_DBG("%s ocf 0x%x", hdev->name, ocf);
+
+	switch (ocf) {
+	case OCF_READ_LOCAL_FEATURES:
+		lf = (read_local_features_rp *) skb->data;
+
+		if (lf->status) {
+			BT_DBG("%s READ_LOCAL_FEATURES failed %d", hdev->name, lf->status);
+			break;
+		}
+
+		memcpy(hdev->features, lf->features, sizeof(hdev->features));
+
+		/* Adjust default settings according to features 
+		 * supported by device. */
+		if (hdev->features[0] & LMP_3SLOT)
+			hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
+
+		if (hdev->features[0] & LMP_5SLOT)
+			hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
+
+		if (hdev->features[1] & LMP_HV2)
+			hdev->pkt_type |= (HCI_HV2);
+
+		if (hdev->features[1] & LMP_HV3)
+			hdev->pkt_type |= (HCI_HV3);
+
+		BT_DBG("%s: features 0x%x 0x%x 0x%x", hdev->name, lf->features[0], lf->features[1], lf->features[2]);
+
+		break;
+
+	case OCF_READ_BUFFER_SIZE:
+		bs = (read_buffer_size_rp *) skb->data;
+
+		if (bs->status) {
+			BT_DBG("%s READ_BUFFER_SIZE failed %d", hdev->name, bs->status);
+			hci_req_complete(hdev, bs->status);
+			break;
+		}
+
+		hdev->acl_mtu  = __le16_to_cpu(bs->acl_mtu);
+		hdev->sco_mtu  = bs->sco_mtu ? bs->sco_mtu : 64;
+		hdev->acl_pkts = hdev->acl_cnt = __le16_to_cpu(bs->acl_max_pkt);
+		hdev->sco_pkts = hdev->sco_cnt = __le16_to_cpu(bs->sco_max_pkt);
+
+		BT_DBG("%s mtu: acl %d, sco %d max_pkt: acl %d, sco %d", hdev->name,
+		    hdev->acl_mtu, hdev->sco_mtu, hdev->acl_pkts, hdev->sco_pkts);
+		break;
+
+	case OCF_READ_BD_ADDR:
+		ba = (read_bd_addr_rp *) skb->data;
+
+		if (!ba->status) {
+			bacpy(&hdev->bdaddr, &ba->bdaddr);
+		} else {
+			BT_DBG("%s: READ_BD_ADDR failed %d", hdev->name, ba->status);
+		}
+
+		hci_req_complete(hdev, ba->status);
+		break;
+
+	default:
+		BT_DBG("%s Command complete: ogf INFO_PARAM ocf %x", hdev->name, ocf);
+		break;
+	};
+}
+
+/* Command Status OGF LINK_CTL  */
+static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
+{
+	struct hci_conn *conn;
+	create_conn_cp *cc = hci_sent_cmd_data(hdev, OGF_LINK_CTL, OCF_CREATE_CONN);
+
+	if (!cc)
+		return;
+
+	hci_dev_lock(hdev);
+	
+	conn = conn_hash_lookup_ba(hdev, ACL_LINK, &cc->bdaddr);
+
+	BT_DBG("%s status 0x%x bdaddr %s conn %p", hdev->name, 
+			status, batostr(&cc->bdaddr), conn);
+
+	if (status) {
+		if (conn) {
+			conn->state = BT_CLOSED;
+			hci_proto_connect_cfm(conn, status);
+			hci_conn_del(conn);
+		}
+	} else {
+		if (!conn) {
+			conn = hci_conn_add(hdev, ACL_LINK, &cc->bdaddr);
+			if (conn) {
+				conn->out = 1;
+				conn->link_mode |= HCI_LM_MASTER;
+			} else
+				BT_ERR("No memmory for new connection");
+		}
+	}
+
+	hci_dev_unlock(hdev);
+}
+
+static void hci_cs_link_ctl(struct hci_dev *hdev, __u16 ocf, __u8 status)
+{
+	BT_DBG("%s ocf 0x%x", hdev->name, ocf);
+
+	switch (ocf) {
+	case OCF_CREATE_CONN:
+		hci_cs_create_conn(hdev, status);
+		break;
+
+	case OCF_ADD_SCO:
+		if (status) {
+			struct hci_conn *acl, *sco;
+			add_sco_cp *cp = hci_sent_cmd_data(hdev, 
+						OGF_LINK_CTL, OCF_ADD_SCO);
+			__u16 handle;
+
+			if (!cp)
+				break;
+
+			handle = __le16_to_cpu(cp->handle);
+
+			BT_DBG("%s Add SCO error: handle %d status 0x%x", hdev->name, handle, status);
+
+			hci_dev_lock(hdev);
+	
+			acl = conn_hash_lookup_handle(hdev, handle);
+			if (!acl || !(sco = acl->link)) {
+				hci_dev_unlock(hdev);
+				break;
+			}
+
+			sco->state = BT_CLOSED;
+
+			hci_proto_connect_cfm(sco, status);
+			hci_conn_del(sco);
+
+			hci_dev_unlock(hdev);
+		}
+		break;
+
+	case OCF_INQUIRY:
+		if (status) {
+			BT_DBG("%s Inquiry error: status 0x%x", hdev->name, status);
+			hci_req_complete(hdev, status);
+		} else {
+			set_bit(HCI_INQUIRY, &hdev->flags);
+		}
+		break;
+
+	default:
+		BT_DBG("%s Command status: ogf LINK_CTL ocf %x status %d", 
+			hdev->name, ocf, status);
+		break;
+	};
+}
+
+/* Command Status OGF LINK_POLICY */
+static void hci_cs_link_policy(struct hci_dev *hdev, __u16 ocf, __u8 status)
+{
+	BT_DBG("%s ocf 0x%x", hdev->name, ocf);
+
+	switch (ocf) {
+	default:
+		BT_DBG("%s Command status: ogf HOST_POLICY ocf %x", hdev->name, ocf);
+		break;
+	};
+}
+
+/* Command Status OGF HOST_CTL */
+static void hci_cs_host_ctl(struct hci_dev *hdev, __u16 ocf, __u8 status)
+{
+	BT_DBG("%s ocf 0x%x", hdev->name, ocf);
+
+	switch (ocf) {
+	default:
+		BT_DBG("%s Command status: ogf HOST_CTL ocf %x", hdev->name, ocf);
+		break;
+	};
+}
+
+/* Command Status OGF INFO_PARAM  */
+static void hci_cs_info_param(struct hci_dev *hdev, __u16 ocf, __u8 status)
+{
+	BT_DBG("%s: hci_cs_info_param: ocf 0x%x", hdev->name, ocf);
+
+	switch (ocf) {
+	default:
+		BT_DBG("%s Command status: ogf INFO_PARAM ocf %x", hdev->name, ocf);
+		break;
+	};
+}
+
+/* Inquiry Complete */
+static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	__u8 status = *((__u8 *) skb->data);
+
+	BT_DBG("%s status %d", hdev->name, status);
+
+	clear_bit(HCI_INQUIRY, &hdev->flags);
+	hci_req_complete(hdev, status);
+}
+
+/* Inquiry Result */
+static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	inquiry_info *info = (inquiry_info *) (skb->data + 1);
+	int num_rsp = *((__u8 *) skb->data);
+
+	BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
+
+	hci_dev_lock(hdev);
+	for (; num_rsp; num_rsp--)
+		inquiry_cache_update(hdev, info++);
+	hci_dev_unlock(hdev);
+}
+
+/* Connect Request */
+static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	evt_conn_request *cr = (evt_conn_request *) skb->data;
+	int mask = hdev->link_mode;
+
+	BT_DBG("%s Connection request: %s type 0x%x", hdev->name,
+			batostr(&cr->bdaddr), cr->link_type);
+
+	mask |= hci_proto_connect_ind(hdev, &cr->bdaddr, cr->link_type);
+
+	if (mask & HCI_LM_ACCEPT) {
+		/* Connection accepted */
+		struct hci_conn *conn;
+		accept_conn_req_cp ac;
+
+		hci_dev_lock(hdev);
+		conn = conn_hash_lookup_ba(hdev, cr->link_type, &cr->bdaddr);
+		if (!conn) {
+			if (!(conn = hci_conn_add(hdev, cr->link_type, &cr->bdaddr))) {
+				BT_ERR("No memmory for new connection");
+				hci_dev_unlock(hdev);
+				return;
+			}
+		}
+		conn->state = BT_CONNECT;
+		hci_dev_unlock(hdev);
+
+		bacpy(&ac.bdaddr, &cr->bdaddr);
+	
+		if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
+			ac.role = 0x00; /* Become master */
+		else
+			ac.role = 0x01; /* Remain slave */
+
+		hci_send_cmd(hdev, OGF_LINK_CTL, OCF_ACCEPT_CONN_REQ, 
+				ACCEPT_CONN_REQ_CP_SIZE, &ac);
+	} else {
+		/* Connection rejected */
+		reject_conn_req_cp rc;
+
+		bacpy(&rc.bdaddr, &cr->bdaddr);
+		rc.reason = 0x0f;
+		hci_send_cmd(hdev, OGF_LINK_CTL, OCF_REJECT_CONN_REQ,
+				REJECT_CONN_REQ_CP_SIZE, &rc);
+	}
+}
+
+/* Connect Complete */
+static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	evt_conn_complete *cc = (evt_conn_complete *) skb->data;
+	struct hci_conn *conn = NULL;
+
+	BT_DBG("%s", hdev->name);
+
+	hci_dev_lock(hdev);
+	
+	conn = conn_hash_lookup_ba(hdev, cc->link_type, &cc->bdaddr);
+	if (!conn) {
+		hci_dev_unlock(hdev);
+		return;
+	}
+
+	if (!cc->status) {
+		conn->handle = __le16_to_cpu(cc->handle);
+		conn->state  = BT_CONNECTED;
+
+		if (test_bit(HCI_AUTH, &hdev->flags))
+			conn->link_mode |= HCI_LM_AUTH;
+		
+		if (test_bit(HCI_ENCRYPT, &hdev->flags))
+			conn->link_mode |= HCI_LM_ENCRYPT;
+
+
+		/* Set link policy */
+		if (conn->type == ACL_LINK && hdev->link_policy) {
+			write_link_policy_cp lp;
+			lp.handle = cc->handle;
+			lp.policy = __cpu_to_le16(hdev->link_policy);
+			hci_send_cmd(hdev, OGF_LINK_POLICY, OCF_WRITE_LINK_POLICY,
+				WRITE_LINK_POLICY_CP_SIZE, &lp);
+		}
+
+		/* Set packet type for incomming connection */
+		if (!conn->out) {
+			change_conn_ptype_cp cp;
+			cp.handle = cc->handle;
+			cp.pkt_type = (conn->type == ACL_LINK) ? 
+				__cpu_to_le16(hdev->pkt_type & ACL_PTYPE_MASK):
+				__cpu_to_le16(hdev->pkt_type & SCO_PTYPE_MASK);
+
+			hci_send_cmd(hdev, OGF_LINK_CTL, OCF_CHANGE_CONN_PTYPE,
+				CHANGE_CONN_PTYPE_CP_SIZE, &cp);
+		}
+	} else
+		conn->state = BT_CLOSED;
+
+	if (conn->type == ACL_LINK) {
+		struct hci_conn *sco = conn->link;
+		if (sco) {
+			if (!cc->status)
+				hci_add_sco(sco, conn->handle);
+			else {
+				hci_proto_connect_cfm(sco, cc->status);
+				hci_conn_del(sco);
+			}
+		}
+	}
+
+	hci_proto_connect_cfm(conn, cc->status);
+	if (cc->status)
+		hci_conn_del(conn);
+
+	hci_dev_unlock(hdev);
+}
+
+/* Disconnect Complete */
+static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	evt_disconn_complete *dc = (evt_disconn_complete *) skb->data;
+	struct hci_conn *conn = NULL;
+	__u16 handle = __le16_to_cpu(dc->handle);
+
+	BT_DBG("%s status %d", hdev->name, dc->status);
+
+	if (dc->status)
+		return;
+
+	hci_dev_lock(hdev);
+	
+	conn = conn_hash_lookup_handle(hdev, handle);
+	if (conn) {
+		conn->state = BT_CLOSED;
+		hci_proto_disconn_ind(conn, dc->reason);
+		hci_conn_del(conn);
+	}
+
+	hci_dev_unlock(hdev);
+}
+
+/* Number of completed packets */
+static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	evt_num_comp_pkts *nc = (evt_num_comp_pkts *) skb->data;
+	__u16 *ptr;
+	int i;
+
+	skb_pull(skb, EVT_NUM_COMP_PKTS_SIZE);
+
+	BT_DBG("%s num_hndl %d", hdev->name, nc->num_hndl);
+
+	if (skb->len < nc->num_hndl * 4) {
+		BT_DBG("%s bad parameters", hdev->name);
+		return;
+	}
+
+	tasklet_disable(&hdev->tx_task);
+
+	for (i = 0, ptr = (__u16 *) skb->data; i < nc->num_hndl; i++) {
+		struct hci_conn *conn;
+		__u16  handle, count;
+
+		handle = __le16_to_cpu(get_unaligned(ptr++));
+		count  = __le16_to_cpu(get_unaligned(ptr++));
+
+		conn = conn_hash_lookup_handle(hdev, handle);
+		if (conn) {
+			conn->sent -= count;
+
+			if (conn->type == SCO_LINK) {
+				if ((hdev->sco_cnt += count) > hdev->sco_pkts)
+					hdev->sco_cnt = hdev->sco_pkts;
+			} else {
+				if ((hdev->acl_cnt += count) > hdev->acl_pkts)
+					hdev->acl_cnt = hdev->acl_pkts;
+			}
+		}
+	}
+	hci_sched_tx(hdev);
+
+	tasklet_enable(&hdev->tx_task);
+}
+
+/* Role Change */
+static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	evt_role_change *rc = (evt_role_change *) skb->data;
+	struct hci_conn *conn = NULL;
+
+	BT_DBG("%s status %d", hdev->name, rc->status);
+
+	if (rc->status)
+		return;
+
+	hci_dev_lock(hdev);
+	
+	conn = conn_hash_lookup_ba(hdev, ACL_LINK, &rc->bdaddr);
+	if (conn) {
+		if (rc->role)
+			conn->link_mode &= ~HCI_LM_MASTER;
+		else 
+			conn->link_mode |= HCI_LM_MASTER;
+	}
+
+	hci_dev_unlock(hdev);
+}
+
+/* Authentication Complete */
+static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	evt_auth_complete *ac = (evt_auth_complete *) skb->data;
+	struct hci_conn *conn = NULL;
+	__u16 handle = __le16_to_cpu(ac->handle);
+
+	BT_DBG("%s status %d", hdev->name, ac->status);
+
+	hci_dev_lock(hdev);
+	
+	conn = conn_hash_lookup_handle(hdev, handle);
+	if (conn) {
+		if (!ac->status)
+			conn->link_mode |= HCI_LM_AUTH;
+		clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
+
+		hci_proto_auth_cfm(conn, ac->status);
+		
+		if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
+			if (!ac->status) {
+				set_conn_encrypt_cp ce;
+				ce.handle  = __cpu_to_le16(conn->handle);
+				ce.encrypt = 1;
+				hci_send_cmd(conn->hdev, OGF_LINK_CTL,
+						OCF_SET_CONN_ENCRYPT,
+						SET_CONN_ENCRYPT_CP_SIZE, &ce);
+			} else {
+				clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
+				hci_proto_encrypt_cfm(conn, ac->status);
+			}
+		}
+	}
+
+	hci_dev_unlock(hdev);
+}
+
+/* Encryption Change */
+static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	evt_encrypt_change *ec = (evt_encrypt_change *) skb->data;
+	struct hci_conn *conn = NULL;
+	__u16 handle = __le16_to_cpu(ec->handle);
+
+	BT_DBG("%s status %d", hdev->name, ec->status);
+
+	hci_dev_lock(hdev);
+	
+	conn = conn_hash_lookup_handle(hdev, handle);
+	if (conn) {
+		if (!ec->status) {
+		       	if (ec->encrypt)
+				conn->link_mode |= HCI_LM_ENCRYPT;
+			else
+				conn->link_mode &= ~HCI_LM_ENCRYPT;
+		}
+		clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
+		
+		hci_proto_encrypt_cfm(conn, ec->status);
+	}
+
+	hci_dev_unlock(hdev);
+}
+
+void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	hci_event_hdr *he = (hci_event_hdr *) skb->data;
+	evt_cmd_status *cs;
+	evt_cmd_complete *ec;
+	__u16 opcode, ocf, ogf;
+
+	skb_pull(skb, HCI_EVENT_HDR_SIZE);
+
+	BT_DBG("%s evt 0x%x", hdev->name, he->evt);
+
+	switch (he->evt) {
+	case EVT_NUM_COMP_PKTS:
+		hci_num_comp_pkts_evt(hdev, skb);
+		break;
+
+	case EVT_INQUIRY_COMPLETE:
+		hci_inquiry_complete_evt(hdev, skb);
+		break;
+
+	case EVT_INQUIRY_RESULT:
+		hci_inquiry_result_evt(hdev, skb);
+		break;
+
+	case EVT_CONN_REQUEST:
+		hci_conn_request_evt(hdev, skb);
+		break;
+
+	case EVT_CONN_COMPLETE:
+		hci_conn_complete_evt(hdev, skb);
+		break;
+
+	case EVT_DISCONN_COMPLETE:
+		hci_disconn_complete_evt(hdev, skb);
+		break;
+
+	case EVT_ROLE_CHANGE:
+		hci_role_change_evt(hdev, skb);
+		break;
+
+	case EVT_AUTH_COMPLETE:
+		hci_auth_complete_evt(hdev, skb);
+		break;
+
+	case EVT_ENCRYPT_CHANGE:
+		hci_encrypt_change_evt(hdev, skb);
+		break;
+
+	case EVT_CMD_STATUS:
+		cs = (evt_cmd_status *) skb->data;
+		skb_pull(skb, EVT_CMD_STATUS_SIZE);
+				
+		opcode = __le16_to_cpu(cs->opcode);
+		ogf = cmd_opcode_ogf(opcode);
+		ocf = cmd_opcode_ocf(opcode);
+
+		switch (ogf) {
+		case OGF_INFO_PARAM:
+			hci_cs_info_param(hdev, ocf, cs->status);
+			break;
+
+		case OGF_HOST_CTL:
+			hci_cs_host_ctl(hdev, ocf, cs->status);
+			break;
+
+		case OGF_LINK_CTL:
+			hci_cs_link_ctl(hdev, ocf, cs->status);
+			break;
+
+		case OGF_LINK_POLICY:
+			hci_cs_link_policy(hdev, ocf, cs->status);
+			break;
+
+		default:
+			BT_DBG("%s Command Status OGF %x", hdev->name, ogf);
+			break;
+		};
+
+		if (cs->ncmd) {
+			atomic_set(&hdev->cmd_cnt, 1);
+			if (!skb_queue_empty(&hdev->cmd_q))
+				hci_sched_cmd(hdev);
+		}
+		break;
+
+	case EVT_CMD_COMPLETE:
+		ec = (evt_cmd_complete *) skb->data;
+		skb_pull(skb, EVT_CMD_COMPLETE_SIZE);
+
+		opcode = __le16_to_cpu(ec->opcode);
+		ogf = cmd_opcode_ogf(opcode);
+		ocf = cmd_opcode_ocf(opcode);
+
+		switch (ogf) {
+		case OGF_INFO_PARAM:
+			hci_cc_info_param(hdev, ocf, skb);
+			break;
+
+		case OGF_HOST_CTL:
+			hci_cc_host_ctl(hdev, ocf, skb);
+			break;
+
+		case OGF_LINK_CTL:
+			hci_cc_link_ctl(hdev, ocf, skb);
+			break;
+
+		case OGF_LINK_POLICY:
+			hci_cc_link_policy(hdev, ocf, skb);
+			break;
+
+		default:
+			BT_DBG("%s Command Completed OGF %x", hdev->name, ogf);
+			break;
+		};
+
+		if (ec->ncmd) {
+			atomic_set(&hdev->cmd_cnt, 1);
+			if (!skb_queue_empty(&hdev->cmd_q))
+				hci_sched_cmd(hdev);
+		}
+		break;
+	};
+
+	kfree_skb(skb);
+	hdev->stat.evt_rx++;
+}
+
+/* General internal stack event */
+void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
+{
+	hci_event_hdr *eh;
+	evt_stack_internal *si;
+	struct sk_buff *skb;
+	int size;
+	void *ptr;
+
+	size = HCI_EVENT_HDR_SIZE + EVT_STACK_INTERNAL_SIZE + dlen;
+	skb  = bluez_skb_alloc(size, GFP_ATOMIC);
+	if (!skb)
+		return;
+
+	ptr = skb_put(skb, size);
+
+	eh = ptr;
+       	eh->evt  = EVT_STACK_INTERNAL;
+	eh->plen = EVT_STACK_INTERNAL_SIZE + dlen;
+	ptr += HCI_EVENT_HDR_SIZE;
+
+	si = ptr;
+	si->type = type;
+	memcpy(si->data, data, dlen);
+	
+	skb->pkt_type = HCI_EVENT_PKT;
+	skb->dev = (void *) hdev;
+	hci_send_to_sock(hdev, skb);
+	kfree_skb(skb);
+}