SOFTWARE IS DISCLAIMED.
*/
-/*
- * HCI Connection handling.
- *
- * $Id: hci_conn.c,v 1.2 2002/04/17 17:37:16 maxk Exp $
- */
+/* Bluetooth HCI connection handling. */
#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>
#ifndef CONFIG_BT_HCI_CORE_DEBUG
#undef BT_DBG
-#define BT_DBG( A... )
+#define BT_DBG(D...)
#endif
-void hci_acl_connect(struct hci_conn *conn)
+static void hci_acl_connect(struct hci_conn *conn)
{
struct hci_dev *hdev = conn->hdev;
struct inquiry_entry *ie;
bacpy(&cp.bdaddr, &conn->dst);
cp.pscan_rep_mode = 0x02;
- if ((ie = inquiry_cache_lookup(hdev, &conn->dst)) &&
+ if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst)) &&
inquiry_entry_age(ie) <= INQUIRY_ENTRY_AGE_MAX) {
- cp.pscan_rep_mode = ie->info.pscan_rep_mode;
- cp.pscan_mode = ie->info.pscan_mode;
- cp.clock_offset = ie->info.clock_offset | __cpu_to_le16(0x8000);
+ cp.pscan_rep_mode = ie->data.pscan_rep_mode;
+ cp.pscan_mode = ie->data.pscan_mode;
+ cp.clock_offset = ie->data.clock_offset | __cpu_to_le16(0x8000);
+ memcpy(conn->dev_class, ie->data.dev_class, 3);
}
cp.pkt_type = __cpu_to_le16(hdev->pkt_type & ACL_PTYPE_MASK);
hci_dev_hold(hdev);
tasklet_disable(&hdev->tx_task);
- hci_conn_hash_add(hdev, conn);
- tasklet_enable(&hdev->tx_task);
+ hci_conn_hash_add(hdev, conn);
if (hdev->notify)
hdev->notify(hdev, HCI_NOTIFY_CONN_ADD);
+ tasklet_enable(&hdev->tx_task);
+
return conn;
}
int hci_conn_del(struct hci_conn *conn)
{
- struct hci_dev *hdev = conn->hdev;
+ struct hci_dev *hdev = conn->hdev;
BT_DBG("%s conn %p handle %d", hdev->name, conn, conn->handle);
-
+
hci_conn_del_timer(conn);
if (conn->type == SCO_LINK) {
hdev->acl_cnt += conn->sent;
}
+ tasklet_disable(&hdev->tx_task);
+
+ hci_conn_hash_del(hdev, conn);
if (hdev->notify)
hdev->notify(hdev, HCI_NOTIFY_CONN_DEL);
- tasklet_disable(&hdev->tx_task);
- hci_conn_hash_del(hdev, conn);
tasklet_enable(&hdev->tx_task);
skb_queue_purge(&conn->data_q);
list_for_each(p, &hci_dev_list) {
struct hci_dev *d = list_entry(p, struct hci_dev, list);
-
- if (!test_bit(HCI_UP, &d->flags))
+
+ if (!test_bit(HCI_UP, &d->flags) || test_bit(HCI_RAW, &d->flags))
continue;
/* Simple routing:
- * No source address - find interface with bdaddr != dst
- * Source address - find interface with bdaddr == src
- */
+ * No source address - find interface with bdaddr != dst
+ * Source address - find interface with bdaddr == src
+ */
if (use_src) {
if (!bacmp(&d->bdaddr, src)) {
read_unlock_bh(&hci_dev_list_lock);
return hdev;
}
+EXPORT_SYMBOL(hci_get_route);
/* Create SCO or ACL connection.
* Device _must_ be locked */
return acl;
}
}
+EXPORT_SYMBOL(hci_connect);
/* Authenticate remote device */
int hci_conn_auth(struct hci_conn *conn)
{
BT_DBG("conn %p", conn);
-
+
if (conn->link_mode & HCI_LM_AUTH)
return 1;
-
+
if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
struct hci_cp_auth_requested cp;
cp.handle = __cpu_to_le16(conn->handle);
}
return 0;
}
+EXPORT_SYMBOL(hci_conn_auth);
/* Enable encryption */
int hci_conn_encrypt(struct hci_conn *conn)
{
BT_DBG("conn %p", conn);
-
+
if (conn->link_mode & HCI_LM_ENCRYPT)
return 1;
-
+
if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
return 0;
}
return 0;
}
+EXPORT_SYMBOL(hci_conn_encrypt);
+
+/* Change link key */
+int hci_conn_change_link_key(struct hci_conn *conn)
+{
+ BT_DBG("conn %p", conn);
+
+ if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
+ struct hci_cp_change_conn_link_key cp;
+ cp.handle = __cpu_to_le16(conn->handle);
+ hci_send_cmd(conn->hdev, OGF_LINK_CTL, OCF_CHANGE_CONN_LINK_KEY, sizeof(cp), &cp);
+ }
+ return 0;
+}
+EXPORT_SYMBOL(hci_conn_change_link_key);
+
+/* Switch role */
+int hci_conn_switch_role(struct hci_conn *conn, uint8_t role)
+{
+ BT_DBG("conn %p", conn);
+
+ if (!role && conn->link_mode & HCI_LM_MASTER)
+ return 1;
+
+ if (!test_and_set_bit(HCI_CONN_RSWITCH_PEND, &conn->pend)) {
+ struct hci_cp_switch_role cp;
+ bacpy(&cp.bdaddr, &conn->dst);
+ cp.role = role;
+ hci_send_cmd(conn->hdev, OGF_LINK_POLICY, OCF_SWITCH_ROLE, sizeof(cp), &cp);
+ }
+ return 0;
+}
+EXPORT_SYMBOL(hci_conn_switch_role);
/* Drop all connection on the device */
void hci_conn_hash_flush(struct hci_dev *hdev)
{
struct hci_conn_hash *h = &hdev->conn_hash;
- struct list_head *p;
+ struct list_head *p;
BT_DBG("hdev %s", hdev->name);
}
}
-int hci_get_conn_list(unsigned long arg)
+int hci_get_conn_list(void __user *arg)
{
struct hci_conn_list_req req, *cl;
struct hci_conn_info *ci;
struct list_head *p;
int n = 0, size, err;
- if (copy_from_user(&req, (void *) arg, sizeof(req)))
+ if (copy_from_user(&req, arg, sizeof(req)))
return -EFAULT;
if (!req.conn_num || req.conn_num > (PAGE_SIZE * 2) / sizeof(*ci))
size = sizeof(req) + req.conn_num * sizeof(*ci);
- if (!(cl = (void *) kmalloc(size, GFP_KERNEL)))
+ if (!(cl = kmalloc(size, GFP_KERNEL)))
return -ENOMEM;
if (!(hdev = hci_dev_get(req.dev_id))) {
hci_dev_put(hdev);
- err = copy_to_user((void *) arg, cl, size);
+ err = copy_to_user(arg, cl, size);
kfree(cl);
return err ? -EFAULT : 0;
}
-int hci_get_conn_info(struct hci_dev *hdev, unsigned long arg)
+int hci_get_conn_info(struct hci_dev *hdev, void __user *arg)
{
struct hci_conn_info_req req;
struct hci_conn_info ci;
struct hci_conn *conn;
- char *ptr = (void *) arg + sizeof(req);
+ char __user *ptr = arg + sizeof(req);
- if (copy_from_user(&req, (void *) arg, sizeof(req)))
+ if (copy_from_user(&req, arg, sizeof(req)))
return -EFAULT;
hci_dev_lock_bh(hdev);