1925 строки
42 KiB
C
1925 строки
42 KiB
C
/*
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BlueZ - Bluetooth protocol stack for Linux
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Copyright (C) 2000-2001 Qualcomm Incorporated
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Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 2 as
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published by the Free Software Foundation;
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
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CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
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COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
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SOFTWARE IS DISCLAIMED.
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*/
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/* Bluetooth HCI event handling. */
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/errno.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/poll.h>
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#include <linux/fcntl.h>
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#include <linux/init.h>
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#include <linux/skbuff.h>
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#include <linux/interrupt.h>
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#include <linux/notifier.h>
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#include <net/sock.h>
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#include <asm/system.h>
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#include <asm/uaccess.h>
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#include <asm/unaligned.h>
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci_core.h>
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/* Handle HCI Event packets */
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static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
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{
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__u8 status = *((__u8 *) skb->data);
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BT_DBG("%s status 0x%x", hdev->name, status);
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if (status)
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return;
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clear_bit(HCI_INQUIRY, &hdev->flags);
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hci_req_complete(hdev, status);
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hci_conn_check_pending(hdev);
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}
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static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
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{
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__u8 status = *((__u8 *) skb->data);
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BT_DBG("%s status 0x%x", hdev->name, status);
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if (status)
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return;
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clear_bit(HCI_INQUIRY, &hdev->flags);
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hci_conn_check_pending(hdev);
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}
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static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, struct sk_buff *skb)
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{
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BT_DBG("%s", hdev->name);
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}
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static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
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{
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struct hci_rp_role_discovery *rp = (void *) skb->data;
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struct hci_conn *conn;
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BT_DBG("%s status 0x%x", hdev->name, rp->status);
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if (rp->status)
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return;
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hci_dev_lock(hdev);
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conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
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if (conn) {
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if (rp->role)
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conn->link_mode &= ~HCI_LM_MASTER;
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else
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conn->link_mode |= HCI_LM_MASTER;
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}
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hci_dev_unlock(hdev);
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}
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static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
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{
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struct hci_rp_read_link_policy *rp = (void *) skb->data;
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struct hci_conn *conn;
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BT_DBG("%s status 0x%x", hdev->name, rp->status);
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if (rp->status)
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return;
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hci_dev_lock(hdev);
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conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
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if (conn)
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conn->link_policy = __le16_to_cpu(rp->policy);
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hci_dev_unlock(hdev);
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}
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static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
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{
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struct hci_rp_write_link_policy *rp = (void *) skb->data;
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struct hci_conn *conn;
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void *sent;
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BT_DBG("%s status 0x%x", hdev->name, rp->status);
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if (rp->status)
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return;
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sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
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if (!sent)
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return;
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hci_dev_lock(hdev);
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conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
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if (conn)
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conn->link_policy = get_unaligned_le16(sent + 2);
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hci_dev_unlock(hdev);
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}
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static void hci_cc_read_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
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{
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struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
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BT_DBG("%s status 0x%x", hdev->name, rp->status);
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if (rp->status)
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return;
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hdev->link_policy = __le16_to_cpu(rp->policy);
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}
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static void hci_cc_write_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
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{
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__u8 status = *((__u8 *) skb->data);
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void *sent;
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BT_DBG("%s status 0x%x", hdev->name, status);
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sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
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if (!sent)
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return;
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if (!status)
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hdev->link_policy = get_unaligned_le16(sent);
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hci_req_complete(hdev, status);
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}
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static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
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{
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__u8 status = *((__u8 *) skb->data);
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BT_DBG("%s status 0x%x", hdev->name, status);
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hci_req_complete(hdev, status);
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}
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static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
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{
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__u8 status = *((__u8 *) skb->data);
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void *sent;
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BT_DBG("%s status 0x%x", hdev->name, status);
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if (status)
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return;
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sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
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if (!sent)
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return;
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memcpy(hdev->dev_name, sent, 248);
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}
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static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
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{
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struct hci_rp_read_local_name *rp = (void *) skb->data;
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BT_DBG("%s status 0x%x", hdev->name, rp->status);
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if (rp->status)
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return;
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memcpy(hdev->dev_name, rp->name, 248);
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}
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static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
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{
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__u8 status = *((__u8 *) skb->data);
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void *sent;
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BT_DBG("%s status 0x%x", hdev->name, status);
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sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
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if (!sent)
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return;
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if (!status) {
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__u8 param = *((__u8 *) sent);
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if (param == AUTH_ENABLED)
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set_bit(HCI_AUTH, &hdev->flags);
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else
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clear_bit(HCI_AUTH, &hdev->flags);
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}
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hci_req_complete(hdev, status);
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}
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static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
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{
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__u8 status = *((__u8 *) skb->data);
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void *sent;
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BT_DBG("%s status 0x%x", hdev->name, status);
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sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
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if (!sent)
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return;
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if (!status) {
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__u8 param = *((__u8 *) sent);
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if (param)
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set_bit(HCI_ENCRYPT, &hdev->flags);
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else
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clear_bit(HCI_ENCRYPT, &hdev->flags);
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}
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hci_req_complete(hdev, status);
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}
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static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
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{
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__u8 status = *((__u8 *) skb->data);
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void *sent;
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BT_DBG("%s status 0x%x", hdev->name, status);
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sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
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if (!sent)
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return;
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if (!status) {
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__u8 param = *((__u8 *) sent);
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clear_bit(HCI_PSCAN, &hdev->flags);
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clear_bit(HCI_ISCAN, &hdev->flags);
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if (param & SCAN_INQUIRY)
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set_bit(HCI_ISCAN, &hdev->flags);
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if (param & SCAN_PAGE)
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set_bit(HCI_PSCAN, &hdev->flags);
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}
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hci_req_complete(hdev, status);
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}
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static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
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{
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struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
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BT_DBG("%s status 0x%x", hdev->name, rp->status);
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if (rp->status)
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return;
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memcpy(hdev->dev_class, rp->dev_class, 3);
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BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
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hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
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}
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static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
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{
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__u8 status = *((__u8 *) skb->data);
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void *sent;
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BT_DBG("%s status 0x%x", hdev->name, status);
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if (status)
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return;
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sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
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if (!sent)
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return;
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memcpy(hdev->dev_class, sent, 3);
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}
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static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
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{
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struct hci_rp_read_voice_setting *rp = (void *) skb->data;
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__u16 setting;
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BT_DBG("%s status 0x%x", hdev->name, rp->status);
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if (rp->status)
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return;
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setting = __le16_to_cpu(rp->voice_setting);
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if (hdev->voice_setting == setting)
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return;
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hdev->voice_setting = setting;
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BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
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if (hdev->notify) {
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tasklet_disable(&hdev->tx_task);
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hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
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tasklet_enable(&hdev->tx_task);
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}
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}
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static void hci_cc_write_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
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{
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__u8 status = *((__u8 *) skb->data);
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__u16 setting;
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void *sent;
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BT_DBG("%s status 0x%x", hdev->name, status);
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if (status)
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return;
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sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
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if (!sent)
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return;
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setting = get_unaligned_le16(sent);
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if (hdev->voice_setting == setting)
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return;
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hdev->voice_setting = setting;
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BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
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if (hdev->notify) {
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tasklet_disable(&hdev->tx_task);
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hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
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tasklet_enable(&hdev->tx_task);
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}
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}
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static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
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{
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__u8 status = *((__u8 *) skb->data);
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BT_DBG("%s status 0x%x", hdev->name, status);
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hci_req_complete(hdev, status);
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}
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static void hci_cc_read_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
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{
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struct hci_rp_read_ssp_mode *rp = (void *) skb->data;
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BT_DBG("%s status 0x%x", hdev->name, rp->status);
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if (rp->status)
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return;
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hdev->ssp_mode = rp->mode;
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}
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static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
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{
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__u8 status = *((__u8 *) skb->data);
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void *sent;
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BT_DBG("%s status 0x%x", hdev->name, status);
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if (status)
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return;
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sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
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if (!sent)
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return;
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hdev->ssp_mode = *((__u8 *) sent);
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}
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static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
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{
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struct hci_rp_read_local_version *rp = (void *) skb->data;
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BT_DBG("%s status 0x%x", hdev->name, rp->status);
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if (rp->status)
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return;
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hdev->hci_ver = rp->hci_ver;
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hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
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hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
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BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name,
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hdev->manufacturer,
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hdev->hci_ver, hdev->hci_rev);
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}
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static void hci_cc_read_local_commands(struct hci_dev *hdev, struct sk_buff *skb)
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{
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struct hci_rp_read_local_commands *rp = (void *) skb->data;
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BT_DBG("%s status 0x%x", hdev->name, rp->status);
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if (rp->status)
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return;
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memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
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}
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static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb)
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{
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struct hci_rp_read_local_features *rp = (void *) skb->data;
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BT_DBG("%s status 0x%x", hdev->name, rp->status);
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if (rp->status)
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return;
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memcpy(hdev->features, rp->features, 8);
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/* Adjust default settings according to features
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* supported by device. */
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if (hdev->features[0] & LMP_3SLOT)
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hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
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if (hdev->features[0] & LMP_5SLOT)
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hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
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if (hdev->features[1] & LMP_HV2) {
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hdev->pkt_type |= (HCI_HV2);
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hdev->esco_type |= (ESCO_HV2);
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}
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if (hdev->features[1] & LMP_HV3) {
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hdev->pkt_type |= (HCI_HV3);
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hdev->esco_type |= (ESCO_HV3);
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}
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if (hdev->features[3] & LMP_ESCO)
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hdev->esco_type |= (ESCO_EV3);
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if (hdev->features[4] & LMP_EV4)
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hdev->esco_type |= (ESCO_EV4);
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if (hdev->features[4] & LMP_EV5)
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hdev->esco_type |= (ESCO_EV5);
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BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
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hdev->features[0], hdev->features[1],
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hdev->features[2], hdev->features[3],
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hdev->features[4], hdev->features[5],
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hdev->features[6], hdev->features[7]);
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}
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static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
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{
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struct hci_rp_read_buffer_size *rp = (void *) skb->data;
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BT_DBG("%s status 0x%x", hdev->name, rp->status);
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if (rp->status)
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return;
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hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
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hdev->sco_mtu = rp->sco_mtu;
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hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
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hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
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if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
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hdev->sco_mtu = 64;
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hdev->sco_pkts = 8;
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}
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hdev->acl_cnt = hdev->acl_pkts;
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hdev->sco_cnt = hdev->sco_pkts;
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|
|
BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name,
|
|
hdev->acl_mtu, hdev->acl_pkts,
|
|
hdev->sco_mtu, hdev->sco_pkts);
|
|
}
|
|
|
|
static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_rp_read_bd_addr *rp = (void *) skb->data;
|
|
|
|
BT_DBG("%s status 0x%x", hdev->name, rp->status);
|
|
|
|
if (!rp->status)
|
|
bacpy(&hdev->bdaddr, &rp->bdaddr);
|
|
|
|
hci_req_complete(hdev, rp->status);
|
|
}
|
|
|
|
static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
|
|
{
|
|
BT_DBG("%s status 0x%x", hdev->name, status);
|
|
|
|
if (status) {
|
|
hci_req_complete(hdev, status);
|
|
|
|
hci_conn_check_pending(hdev);
|
|
} else
|
|
set_bit(HCI_INQUIRY, &hdev->flags);
|
|
}
|
|
|
|
static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
|
|
{
|
|
struct hci_cp_create_conn *cp;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status 0x%x", hdev->name, status);
|
|
|
|
cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
|
|
if (!cp)
|
|
return;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
|
|
|
|
BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->bdaddr), conn);
|
|
|
|
if (status) {
|
|
if (conn && conn->state == BT_CONNECT) {
|
|
if (status != 0x0c || conn->attempt > 2) {
|
|
conn->state = BT_CLOSED;
|
|
hci_proto_connect_cfm(conn, status);
|
|
hci_conn_del(conn);
|
|
} else
|
|
conn->state = BT_CONNECT2;
|
|
}
|
|
} else {
|
|
if (!conn) {
|
|
conn = hci_conn_add(hdev, ACL_LINK, &cp->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_add_sco(struct hci_dev *hdev, __u8 status)
|
|
{
|
|
struct hci_cp_add_sco *cp;
|
|
struct hci_conn *acl, *sco;
|
|
__u16 handle;
|
|
|
|
BT_DBG("%s status 0x%x", hdev->name, status);
|
|
|
|
if (!status)
|
|
return;
|
|
|
|
cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
|
|
if (!cp)
|
|
return;
|
|
|
|
handle = __le16_to_cpu(cp->handle);
|
|
|
|
BT_DBG("%s handle %d", hdev->name, handle);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
acl = hci_conn_hash_lookup_handle(hdev, handle);
|
|
if (acl && (sco = acl->link)) {
|
|
sco->state = BT_CLOSED;
|
|
|
|
hci_proto_connect_cfm(sco, status);
|
|
hci_conn_del(sco);
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
|
|
{
|
|
struct hci_cp_auth_requested *cp;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status 0x%x", hdev->name, status);
|
|
|
|
if (!status)
|
|
return;
|
|
|
|
cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
|
|
if (!cp)
|
|
return;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
|
|
if (conn) {
|
|
if (conn->state == BT_CONFIG) {
|
|
hci_proto_connect_cfm(conn, status);
|
|
hci_conn_put(conn);
|
|
}
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
|
|
{
|
|
struct hci_cp_set_conn_encrypt *cp;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status 0x%x", hdev->name, status);
|
|
|
|
if (!status)
|
|
return;
|
|
|
|
cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
|
|
if (!cp)
|
|
return;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
|
|
if (conn) {
|
|
if (conn->state == BT_CONFIG) {
|
|
hci_proto_connect_cfm(conn, status);
|
|
hci_conn_put(conn);
|
|
}
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
|
|
{
|
|
BT_DBG("%s status 0x%x", hdev->name, status);
|
|
}
|
|
|
|
static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
|
|
{
|
|
struct hci_cp_read_remote_features *cp;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status 0x%x", hdev->name, status);
|
|
|
|
if (!status)
|
|
return;
|
|
|
|
cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
|
|
if (!cp)
|
|
return;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
|
|
if (conn) {
|
|
if (conn->state == BT_CONFIG) {
|
|
hci_proto_connect_cfm(conn, status);
|
|
hci_conn_put(conn);
|
|
}
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
|
|
{
|
|
struct hci_cp_read_remote_ext_features *cp;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status 0x%x", hdev->name, status);
|
|
|
|
if (!status)
|
|
return;
|
|
|
|
cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
|
|
if (!cp)
|
|
return;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
|
|
if (conn) {
|
|
if (conn->state == BT_CONFIG) {
|
|
hci_proto_connect_cfm(conn, status);
|
|
hci_conn_put(conn);
|
|
}
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
|
|
{
|
|
struct hci_cp_setup_sync_conn *cp;
|
|
struct hci_conn *acl, *sco;
|
|
__u16 handle;
|
|
|
|
BT_DBG("%s status 0x%x", hdev->name, status);
|
|
|
|
if (!status)
|
|
return;
|
|
|
|
cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
|
|
if (!cp)
|
|
return;
|
|
|
|
handle = __le16_to_cpu(cp->handle);
|
|
|
|
BT_DBG("%s handle %d", hdev->name, handle);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
acl = hci_conn_hash_lookup_handle(hdev, handle);
|
|
if (acl && (sco = acl->link)) {
|
|
sco->state = BT_CLOSED;
|
|
|
|
hci_proto_connect_cfm(sco, status);
|
|
hci_conn_del(sco);
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
|
|
{
|
|
struct hci_cp_sniff_mode *cp;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status 0x%x", hdev->name, status);
|
|
|
|
if (!status)
|
|
return;
|
|
|
|
cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
|
|
if (!cp)
|
|
return;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
|
|
if (conn)
|
|
clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend);
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
|
|
{
|
|
struct hci_cp_exit_sniff_mode *cp;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status 0x%x", hdev->name, status);
|
|
|
|
if (!status)
|
|
return;
|
|
|
|
cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
|
|
if (!cp)
|
|
return;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
|
|
if (conn)
|
|
clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend);
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
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);
|
|
|
|
hci_conn_check_pending(hdev);
|
|
}
|
|
|
|
static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct inquiry_data data;
|
|
struct inquiry_info *info = (void *) (skb->data + 1);
|
|
int num_rsp = *((__u8 *) skb->data);
|
|
|
|
BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
|
|
|
|
if (!num_rsp)
|
|
return;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
for (; num_rsp; num_rsp--) {
|
|
bacpy(&data.bdaddr, &info->bdaddr);
|
|
data.pscan_rep_mode = info->pscan_rep_mode;
|
|
data.pscan_period_mode = info->pscan_period_mode;
|
|
data.pscan_mode = info->pscan_mode;
|
|
memcpy(data.dev_class, info->dev_class, 3);
|
|
data.clock_offset = info->clock_offset;
|
|
data.rssi = 0x00;
|
|
data.ssp_mode = 0x00;
|
|
info++;
|
|
hci_inquiry_cache_update(hdev, &data);
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_conn_complete *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
|
|
if (!conn)
|
|
goto unlock;
|
|
|
|
if (!ev->status) {
|
|
conn->handle = __le16_to_cpu(ev->handle);
|
|
|
|
if (conn->type == ACL_LINK) {
|
|
conn->state = BT_CONFIG;
|
|
hci_conn_hold(conn);
|
|
} else
|
|
conn->state = BT_CONNECTED;
|
|
|
|
hci_conn_add_sysfs(conn);
|
|
|
|
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;
|
|
|
|
/* Get remote features */
|
|
if (conn->type == ACL_LINK) {
|
|
struct hci_cp_read_remote_features cp;
|
|
cp.handle = ev->handle;
|
|
hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
|
|
sizeof(cp), &cp);
|
|
}
|
|
|
|
/* Set packet type for incoming connection */
|
|
if (!conn->out && hdev->hci_ver < 3) {
|
|
struct hci_cp_change_conn_ptype cp;
|
|
cp.handle = ev->handle;
|
|
cp.pkt_type = cpu_to_le16(conn->pkt_type);
|
|
hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE,
|
|
sizeof(cp), &cp);
|
|
}
|
|
} else
|
|
conn->state = BT_CLOSED;
|
|
|
|
if (conn->type == ACL_LINK) {
|
|
struct hci_conn *sco = conn->link;
|
|
if (sco) {
|
|
if (!ev->status) {
|
|
if (lmp_esco_capable(hdev))
|
|
hci_setup_sync(sco, conn->handle);
|
|
else
|
|
hci_add_sco(sco, conn->handle);
|
|
} else {
|
|
hci_proto_connect_cfm(sco, ev->status);
|
|
hci_conn_del(sco);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ev->status) {
|
|
hci_proto_connect_cfm(conn, ev->status);
|
|
hci_conn_del(conn);
|
|
}
|
|
|
|
unlock:
|
|
hci_dev_unlock(hdev);
|
|
|
|
hci_conn_check_pending(hdev);
|
|
}
|
|
|
|
static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_conn_request *ev = (void *) skb->data;
|
|
int mask = hdev->link_mode;
|
|
|
|
BT_DBG("%s bdaddr %s type 0x%x", hdev->name,
|
|
batostr(&ev->bdaddr), ev->link_type);
|
|
|
|
mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
|
|
|
|
if (mask & HCI_LM_ACCEPT) {
|
|
/* Connection accepted */
|
|
struct inquiry_entry *ie;
|
|
struct hci_conn *conn;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr)))
|
|
memcpy(ie->data.dev_class, ev->dev_class, 3);
|
|
|
|
conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
|
|
if (!conn) {
|
|
if (!(conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr))) {
|
|
BT_ERR("No memmory for new connection");
|
|
hci_dev_unlock(hdev);
|
|
return;
|
|
}
|
|
}
|
|
|
|
memcpy(conn->dev_class, ev->dev_class, 3);
|
|
conn->state = BT_CONNECT;
|
|
|
|
hci_dev_unlock(hdev);
|
|
|
|
if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
|
|
struct hci_cp_accept_conn_req cp;
|
|
|
|
bacpy(&cp.bdaddr, &ev->bdaddr);
|
|
|
|
if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
|
|
cp.role = 0x00; /* Become master */
|
|
else
|
|
cp.role = 0x01; /* Remain slave */
|
|
|
|
hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ,
|
|
sizeof(cp), &cp);
|
|
} else {
|
|
struct hci_cp_accept_sync_conn_req cp;
|
|
|
|
bacpy(&cp.bdaddr, &ev->bdaddr);
|
|
cp.pkt_type = cpu_to_le16(conn->pkt_type);
|
|
|
|
cp.tx_bandwidth = cpu_to_le32(0x00001f40);
|
|
cp.rx_bandwidth = cpu_to_le32(0x00001f40);
|
|
cp.max_latency = cpu_to_le16(0xffff);
|
|
cp.content_format = cpu_to_le16(hdev->voice_setting);
|
|
cp.retrans_effort = 0xff;
|
|
|
|
hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
|
|
sizeof(cp), &cp);
|
|
}
|
|
} else {
|
|
/* Connection rejected */
|
|
struct hci_cp_reject_conn_req cp;
|
|
|
|
bacpy(&cp.bdaddr, &ev->bdaddr);
|
|
cp.reason = 0x0f;
|
|
hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
|
|
}
|
|
}
|
|
|
|
static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_disconn_complete *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status %d", hdev->name, ev->status);
|
|
|
|
if (ev->status)
|
|
return;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
|
|
if (conn) {
|
|
conn->state = BT_CLOSED;
|
|
|
|
hci_conn_del_sysfs(conn);
|
|
|
|
hci_proto_disconn_ind(conn, ev->reason);
|
|
hci_conn_del(conn);
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_auth_complete *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status %d", hdev->name, ev->status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
|
|
if (conn) {
|
|
if (!ev->status)
|
|
conn->link_mode |= HCI_LM_AUTH;
|
|
|
|
clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
|
|
|
|
if (conn->state == BT_CONFIG) {
|
|
if (!ev->status && hdev->ssp_mode > 0 &&
|
|
conn->ssp_mode > 0) {
|
|
struct hci_cp_set_conn_encrypt cp;
|
|
cp.handle = ev->handle;
|
|
cp.encrypt = 0x01;
|
|
hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT,
|
|
sizeof(cp), &cp);
|
|
} else {
|
|
conn->state = BT_CONNECTED;
|
|
hci_proto_connect_cfm(conn, ev->status);
|
|
hci_conn_put(conn);
|
|
}
|
|
} else
|
|
hci_auth_cfm(conn, ev->status);
|
|
|
|
if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
|
|
if (!ev->status) {
|
|
struct hci_cp_set_conn_encrypt cp;
|
|
cp.handle = ev->handle;
|
|
cp.encrypt = 0x01;
|
|
hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT,
|
|
sizeof(cp), &cp);
|
|
} else {
|
|
clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
|
|
hci_encrypt_cfm(conn, ev->status, 0x00);
|
|
}
|
|
}
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
hci_conn_check_pending(hdev);
|
|
}
|
|
|
|
static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_encrypt_change *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status %d", hdev->name, ev->status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
|
|
if (conn) {
|
|
if (!ev->status) {
|
|
if (ev->encrypt) {
|
|
/* Encryption implies authentication */
|
|
conn->link_mode |= HCI_LM_AUTH;
|
|
conn->link_mode |= HCI_LM_ENCRYPT;
|
|
} else
|
|
conn->link_mode &= ~HCI_LM_ENCRYPT;
|
|
}
|
|
|
|
clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
|
|
|
|
if (conn->state == BT_CONFIG) {
|
|
if (!ev->status)
|
|
conn->state = BT_CONNECTED;
|
|
|
|
hci_proto_connect_cfm(conn, ev->status);
|
|
hci_conn_put(conn);
|
|
} else
|
|
hci_encrypt_cfm(conn, ev->status, ev->encrypt);
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status %d", hdev->name, ev->status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
|
|
if (conn) {
|
|
if (!ev->status)
|
|
conn->link_mode |= HCI_LM_SECURE;
|
|
|
|
clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
|
|
|
|
hci_key_change_cfm(conn, ev->status);
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_remote_features *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status %d", hdev->name, ev->status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
|
|
if (conn) {
|
|
if (!ev->status)
|
|
memcpy(conn->features, ev->features, 8);
|
|
|
|
if (conn->state == BT_CONFIG) {
|
|
if (!ev->status && lmp_ssp_capable(hdev) &&
|
|
lmp_ssp_capable(conn)) {
|
|
struct hci_cp_read_remote_ext_features cp;
|
|
cp.handle = ev->handle;
|
|
cp.page = 0x01;
|
|
hci_send_cmd(hdev,
|
|
HCI_OP_READ_REMOTE_EXT_FEATURES,
|
|
sizeof(cp), &cp);
|
|
} else {
|
|
conn->state = BT_CONNECTED;
|
|
hci_proto_connect_cfm(conn, ev->status);
|
|
hci_conn_put(conn);
|
|
}
|
|
}
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
BT_DBG("%s", hdev->name);
|
|
}
|
|
|
|
static inline void hci_qos_setup_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
BT_DBG("%s", hdev->name);
|
|
}
|
|
|
|
static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_cmd_complete *ev = (void *) skb->data;
|
|
__u16 opcode;
|
|
|
|
skb_pull(skb, sizeof(*ev));
|
|
|
|
opcode = __le16_to_cpu(ev->opcode);
|
|
|
|
switch (opcode) {
|
|
case HCI_OP_INQUIRY_CANCEL:
|
|
hci_cc_inquiry_cancel(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_EXIT_PERIODIC_INQ:
|
|
hci_cc_exit_periodic_inq(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_REMOTE_NAME_REQ_CANCEL:
|
|
hci_cc_remote_name_req_cancel(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_ROLE_DISCOVERY:
|
|
hci_cc_role_discovery(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_READ_LINK_POLICY:
|
|
hci_cc_read_link_policy(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_WRITE_LINK_POLICY:
|
|
hci_cc_write_link_policy(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_READ_DEF_LINK_POLICY:
|
|
hci_cc_read_def_link_policy(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_WRITE_DEF_LINK_POLICY:
|
|
hci_cc_write_def_link_policy(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_RESET:
|
|
hci_cc_reset(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_WRITE_LOCAL_NAME:
|
|
hci_cc_write_local_name(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_READ_LOCAL_NAME:
|
|
hci_cc_read_local_name(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_WRITE_AUTH_ENABLE:
|
|
hci_cc_write_auth_enable(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_WRITE_ENCRYPT_MODE:
|
|
hci_cc_write_encrypt_mode(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_WRITE_SCAN_ENABLE:
|
|
hci_cc_write_scan_enable(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_READ_CLASS_OF_DEV:
|
|
hci_cc_read_class_of_dev(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_WRITE_CLASS_OF_DEV:
|
|
hci_cc_write_class_of_dev(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_READ_VOICE_SETTING:
|
|
hci_cc_read_voice_setting(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_WRITE_VOICE_SETTING:
|
|
hci_cc_write_voice_setting(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_HOST_BUFFER_SIZE:
|
|
hci_cc_host_buffer_size(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_READ_SSP_MODE:
|
|
hci_cc_read_ssp_mode(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_WRITE_SSP_MODE:
|
|
hci_cc_write_ssp_mode(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_READ_LOCAL_VERSION:
|
|
hci_cc_read_local_version(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_READ_LOCAL_COMMANDS:
|
|
hci_cc_read_local_commands(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_READ_LOCAL_FEATURES:
|
|
hci_cc_read_local_features(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_READ_BUFFER_SIZE:
|
|
hci_cc_read_buffer_size(hdev, skb);
|
|
break;
|
|
|
|
case HCI_OP_READ_BD_ADDR:
|
|
hci_cc_read_bd_addr(hdev, skb);
|
|
break;
|
|
|
|
default:
|
|
BT_DBG("%s opcode 0x%x", hdev->name, opcode);
|
|
break;
|
|
}
|
|
|
|
if (ev->ncmd) {
|
|
atomic_set(&hdev->cmd_cnt, 1);
|
|
if (!skb_queue_empty(&hdev->cmd_q))
|
|
hci_sched_cmd(hdev);
|
|
}
|
|
}
|
|
|
|
static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_cmd_status *ev = (void *) skb->data;
|
|
__u16 opcode;
|
|
|
|
skb_pull(skb, sizeof(*ev));
|
|
|
|
opcode = __le16_to_cpu(ev->opcode);
|
|
|
|
switch (opcode) {
|
|
case HCI_OP_INQUIRY:
|
|
hci_cs_inquiry(hdev, ev->status);
|
|
break;
|
|
|
|
case HCI_OP_CREATE_CONN:
|
|
hci_cs_create_conn(hdev, ev->status);
|
|
break;
|
|
|
|
case HCI_OP_ADD_SCO:
|
|
hci_cs_add_sco(hdev, ev->status);
|
|
break;
|
|
|
|
case HCI_OP_AUTH_REQUESTED:
|
|
hci_cs_auth_requested(hdev, ev->status);
|
|
break;
|
|
|
|
case HCI_OP_SET_CONN_ENCRYPT:
|
|
hci_cs_set_conn_encrypt(hdev, ev->status);
|
|
break;
|
|
|
|
case HCI_OP_REMOTE_NAME_REQ:
|
|
hci_cs_remote_name_req(hdev, ev->status);
|
|
break;
|
|
|
|
case HCI_OP_READ_REMOTE_FEATURES:
|
|
hci_cs_read_remote_features(hdev, ev->status);
|
|
break;
|
|
|
|
case HCI_OP_READ_REMOTE_EXT_FEATURES:
|
|
hci_cs_read_remote_ext_features(hdev, ev->status);
|
|
break;
|
|
|
|
case HCI_OP_SETUP_SYNC_CONN:
|
|
hci_cs_setup_sync_conn(hdev, ev->status);
|
|
break;
|
|
|
|
case HCI_OP_SNIFF_MODE:
|
|
hci_cs_sniff_mode(hdev, ev->status);
|
|
break;
|
|
|
|
case HCI_OP_EXIT_SNIFF_MODE:
|
|
hci_cs_exit_sniff_mode(hdev, ev->status);
|
|
break;
|
|
|
|
default:
|
|
BT_DBG("%s opcode 0x%x", hdev->name, opcode);
|
|
break;
|
|
}
|
|
|
|
if (ev->ncmd) {
|
|
atomic_set(&hdev->cmd_cnt, 1);
|
|
if (!skb_queue_empty(&hdev->cmd_q))
|
|
hci_sched_cmd(hdev);
|
|
}
|
|
}
|
|
|
|
static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_role_change *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status %d", hdev->name, ev->status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
|
|
if (conn) {
|
|
if (!ev->status) {
|
|
if (ev->role)
|
|
conn->link_mode &= ~HCI_LM_MASTER;
|
|
else
|
|
conn->link_mode |= HCI_LM_MASTER;
|
|
}
|
|
|
|
clear_bit(HCI_CONN_RSWITCH_PEND, &conn->pend);
|
|
|
|
hci_role_switch_cfm(conn, ev->status, ev->role);
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
|
|
__le16 *ptr;
|
|
int i;
|
|
|
|
skb_pull(skb, sizeof(*ev));
|
|
|
|
BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
|
|
|
|
if (skb->len < ev->num_hndl * 4) {
|
|
BT_DBG("%s bad parameters", hdev->name);
|
|
return;
|
|
}
|
|
|
|
tasklet_disable(&hdev->tx_task);
|
|
|
|
for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) {
|
|
struct hci_conn *conn;
|
|
__u16 handle, count;
|
|
|
|
handle = get_unaligned_le16(ptr++);
|
|
count = get_unaligned_le16(ptr++);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, handle);
|
|
if (conn) {
|
|
conn->sent -= count;
|
|
|
|
if (conn->type == ACL_LINK) {
|
|
if ((hdev->acl_cnt += count) > hdev->acl_pkts)
|
|
hdev->acl_cnt = hdev->acl_pkts;
|
|
} else {
|
|
if ((hdev->sco_cnt += count) > hdev->sco_pkts)
|
|
hdev->sco_cnt = hdev->sco_pkts;
|
|
}
|
|
}
|
|
}
|
|
|
|
hci_sched_tx(hdev);
|
|
|
|
tasklet_enable(&hdev->tx_task);
|
|
}
|
|
|
|
static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_mode_change *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status %d", hdev->name, ev->status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
|
|
if (conn) {
|
|
conn->mode = ev->mode;
|
|
conn->interval = __le16_to_cpu(ev->interval);
|
|
|
|
if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) {
|
|
if (conn->mode == HCI_CM_ACTIVE)
|
|
conn->power_save = 1;
|
|
else
|
|
conn->power_save = 0;
|
|
}
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
BT_DBG("%s", hdev->name);
|
|
}
|
|
|
|
static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
BT_DBG("%s", hdev->name);
|
|
}
|
|
|
|
static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
BT_DBG("%s", hdev->name);
|
|
}
|
|
|
|
static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_clock_offset *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status %d", hdev->name, ev->status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
|
|
if (conn && !ev->status) {
|
|
struct inquiry_entry *ie;
|
|
|
|
if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst))) {
|
|
ie->data.clock_offset = ev->clock_offset;
|
|
ie->timestamp = jiffies;
|
|
}
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_pkt_type_change *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status %d", hdev->name, ev->status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
|
|
if (conn && !ev->status)
|
|
conn->pkt_type = __le16_to_cpu(ev->pkt_type);
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
|
|
struct inquiry_entry *ie;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr))) {
|
|
ie->data.pscan_rep_mode = ev->pscan_rep_mode;
|
|
ie->timestamp = jiffies;
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct inquiry_data data;
|
|
int num_rsp = *((__u8 *) skb->data);
|
|
|
|
BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
|
|
|
|
if (!num_rsp)
|
|
return;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
|
|
struct inquiry_info_with_rssi_and_pscan_mode *info = (void *) (skb->data + 1);
|
|
|
|
for (; num_rsp; num_rsp--) {
|
|
bacpy(&data.bdaddr, &info->bdaddr);
|
|
data.pscan_rep_mode = info->pscan_rep_mode;
|
|
data.pscan_period_mode = info->pscan_period_mode;
|
|
data.pscan_mode = info->pscan_mode;
|
|
memcpy(data.dev_class, info->dev_class, 3);
|
|
data.clock_offset = info->clock_offset;
|
|
data.rssi = info->rssi;
|
|
data.ssp_mode = 0x00;
|
|
info++;
|
|
hci_inquiry_cache_update(hdev, &data);
|
|
}
|
|
} else {
|
|
struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
|
|
|
|
for (; num_rsp; num_rsp--) {
|
|
bacpy(&data.bdaddr, &info->bdaddr);
|
|
data.pscan_rep_mode = info->pscan_rep_mode;
|
|
data.pscan_period_mode = info->pscan_period_mode;
|
|
data.pscan_mode = 0x00;
|
|
memcpy(data.dev_class, info->dev_class, 3);
|
|
data.clock_offset = info->clock_offset;
|
|
data.rssi = info->rssi;
|
|
data.ssp_mode = 0x00;
|
|
info++;
|
|
hci_inquiry_cache_update(hdev, &data);
|
|
}
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_remote_ext_features *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
|
|
if (conn) {
|
|
if (!ev->status && ev->page == 0x01) {
|
|
struct inquiry_entry *ie;
|
|
|
|
if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst)))
|
|
ie->data.ssp_mode = (ev->features[0] & 0x01);
|
|
|
|
conn->ssp_mode = (ev->features[0] & 0x01);
|
|
}
|
|
|
|
if (conn->state == BT_CONFIG) {
|
|
if (!ev->status && hdev->ssp_mode > 0 &&
|
|
conn->ssp_mode > 0 && conn->out) {
|
|
struct hci_cp_auth_requested cp;
|
|
cp.handle = ev->handle;
|
|
hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
|
|
sizeof(cp), &cp);
|
|
} else {
|
|
conn->state = BT_CONNECTED;
|
|
hci_proto_connect_cfm(conn, ev->status);
|
|
hci_conn_put(conn);
|
|
}
|
|
}
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status %d", hdev->name, ev->status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
|
|
if (!conn) {
|
|
if (ev->link_type == ESCO_LINK)
|
|
goto unlock;
|
|
|
|
conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
|
|
if (!conn)
|
|
goto unlock;
|
|
|
|
conn->type = SCO_LINK;
|
|
}
|
|
|
|
if (!ev->status) {
|
|
conn->handle = __le16_to_cpu(ev->handle);
|
|
conn->state = BT_CONNECTED;
|
|
|
|
hci_conn_add_sysfs(conn);
|
|
} else
|
|
conn->state = BT_CLOSED;
|
|
|
|
hci_proto_connect_cfm(conn, ev->status);
|
|
if (ev->status)
|
|
hci_conn_del(conn);
|
|
|
|
unlock:
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
BT_DBG("%s", hdev->name);
|
|
}
|
|
|
|
static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_sniff_subrate *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s status %d", hdev->name, ev->status);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
|
|
if (conn) {
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct inquiry_data data;
|
|
struct extended_inquiry_info *info = (void *) (skb->data + 1);
|
|
int num_rsp = *((__u8 *) skb->data);
|
|
|
|
BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
|
|
|
|
if (!num_rsp)
|
|
return;
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
for (; num_rsp; num_rsp--) {
|
|
bacpy(&data.bdaddr, &info->bdaddr);
|
|
data.pscan_rep_mode = info->pscan_rep_mode;
|
|
data.pscan_period_mode = info->pscan_period_mode;
|
|
data.pscan_mode = 0x00;
|
|
memcpy(data.dev_class, info->dev_class, 3);
|
|
data.clock_offset = info->clock_offset;
|
|
data.rssi = info->rssi;
|
|
data.ssp_mode = 0x01;
|
|
info++;
|
|
hci_inquiry_cache_update(hdev, &data);
|
|
}
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_io_capa_request *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
|
|
if (conn)
|
|
hci_conn_hold(conn);
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
|
|
struct hci_conn *conn;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
|
|
if (conn)
|
|
hci_conn_put(conn);
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_ev_remote_host_features *ev = (void *) skb->data;
|
|
struct inquiry_entry *ie;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
hci_dev_lock(hdev);
|
|
|
|
if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr)))
|
|
ie->data.ssp_mode = (ev->features[0] & 0x01);
|
|
|
|
hci_dev_unlock(hdev);
|
|
}
|
|
|
|
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct hci_event_hdr *hdr = (void *) skb->data;
|
|
__u8 event = hdr->evt;
|
|
|
|
skb_pull(skb, HCI_EVENT_HDR_SIZE);
|
|
|
|
switch (event) {
|
|
case HCI_EV_INQUIRY_COMPLETE:
|
|
hci_inquiry_complete_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_INQUIRY_RESULT:
|
|
hci_inquiry_result_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_CONN_COMPLETE:
|
|
hci_conn_complete_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_CONN_REQUEST:
|
|
hci_conn_request_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_DISCONN_COMPLETE:
|
|
hci_disconn_complete_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_AUTH_COMPLETE:
|
|
hci_auth_complete_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_REMOTE_NAME:
|
|
hci_remote_name_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_ENCRYPT_CHANGE:
|
|
hci_encrypt_change_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
|
|
hci_change_link_key_complete_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_REMOTE_FEATURES:
|
|
hci_remote_features_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_REMOTE_VERSION:
|
|
hci_remote_version_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_QOS_SETUP_COMPLETE:
|
|
hci_qos_setup_complete_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_CMD_COMPLETE:
|
|
hci_cmd_complete_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_CMD_STATUS:
|
|
hci_cmd_status_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_ROLE_CHANGE:
|
|
hci_role_change_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_NUM_COMP_PKTS:
|
|
hci_num_comp_pkts_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_MODE_CHANGE:
|
|
hci_mode_change_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_PIN_CODE_REQ:
|
|
hci_pin_code_request_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_LINK_KEY_REQ:
|
|
hci_link_key_request_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_LINK_KEY_NOTIFY:
|
|
hci_link_key_notify_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_CLOCK_OFFSET:
|
|
hci_clock_offset_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_PKT_TYPE_CHANGE:
|
|
hci_pkt_type_change_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_PSCAN_REP_MODE:
|
|
hci_pscan_rep_mode_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
|
|
hci_inquiry_result_with_rssi_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_REMOTE_EXT_FEATURES:
|
|
hci_remote_ext_features_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_SYNC_CONN_COMPLETE:
|
|
hci_sync_conn_complete_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_SYNC_CONN_CHANGED:
|
|
hci_sync_conn_changed_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_SNIFF_SUBRATE:
|
|
hci_sniff_subrate_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_EXTENDED_INQUIRY_RESULT:
|
|
hci_extended_inquiry_result_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_IO_CAPA_REQUEST:
|
|
hci_io_capa_request_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_SIMPLE_PAIR_COMPLETE:
|
|
hci_simple_pair_complete_evt(hdev, skb);
|
|
break;
|
|
|
|
case HCI_EV_REMOTE_HOST_FEATURES:
|
|
hci_remote_host_features_evt(hdev, skb);
|
|
break;
|
|
|
|
default:
|
|
BT_DBG("%s event 0x%x", hdev->name, event);
|
|
break;
|
|
}
|
|
|
|
kfree_skb(skb);
|
|
hdev->stat.evt_rx++;
|
|
}
|
|
|
|
/* Generate internal stack event */
|
|
void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
|
|
{
|
|
struct hci_event_hdr *hdr;
|
|
struct hci_ev_stack_internal *ev;
|
|
struct sk_buff *skb;
|
|
|
|
skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC);
|
|
if (!skb)
|
|
return;
|
|
|
|
hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE);
|
|
hdr->evt = HCI_EV_STACK_INTERNAL;
|
|
hdr->plen = sizeof(*ev) + dlen;
|
|
|
|
ev = (void *) skb_put(skb, sizeof(*ev) + dlen);
|
|
ev->type = type;
|
|
memcpy(ev->data, data, dlen);
|
|
|
|
bt_cb(skb)->incoming = 1;
|
|
__net_timestamp(skb);
|
|
|
|
bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
|
|
skb->dev = (void *) hdev;
|
|
hci_send_to_sock(hdev, skb);
|
|
kfree_skb(skb);
|
|
}
|