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-rw-r--r--net/bluetooth/hci_conn.c18
-rw-r--r--net/bluetooth/hci_event.c36
-rw-r--r--net/bluetooth/hci_sysfs.c87
3 files changed, 89 insertions, 52 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 1181db08d9de..fa47d5d84f5c 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -171,10 +171,8 @@ static void hci_conn_timeout(unsigned long arg)
switch (conn->state) {
case BT_CONNECT:
case BT_CONNECT2:
- if (conn->type == ACL_LINK)
+ if (conn->type == ACL_LINK && conn->out)
hci_acl_connect_cancel(conn);
- else
- hci_acl_disconn(conn, 0x13);
break;
case BT_CONFIG:
case BT_CONNECTED:
@@ -215,6 +213,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
conn->state = BT_OPEN;
conn->power_save = 1;
+ conn->disc_timeout = HCI_DISCONN_TIMEOUT;
switch (type) {
case ACL_LINK:
@@ -247,6 +246,8 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
if (hdev->notify)
hdev->notify(hdev, HCI_NOTIFY_CONN_ADD);
+ hci_conn_init_sysfs(conn);
+
tasklet_enable(&hdev->tx_task);
return conn;
@@ -289,6 +290,8 @@ int hci_conn_del(struct hci_conn *conn)
hci_conn_del_sysfs(conn);
+ hci_dev_put(hdev);
+
return 0;
}
@@ -424,12 +427,9 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
if (sec_level == BT_SECURITY_SDP)
return 1;
- if (sec_level == BT_SECURITY_LOW) {
- if (conn->ssp_mode > 0 && conn->hdev->ssp_mode > 0)
- return hci_conn_auth(conn, sec_level, auth_type);
- else
- return 1;
- }
+ if (sec_level == BT_SECURITY_LOW &&
+ (!conn->ssp_mode || !conn->hdev->ssp_mode))
+ return 1;
if (conn->link_mode & HCI_LM_ENCRYPT)
return hci_conn_auth(conn, sec_level, auth_type);
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 15f40ea8d544..184ba0a88ec0 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -883,6 +883,7 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
if (conn->type == ACL_LINK) {
conn->state = BT_CONFIG;
hci_conn_hold(conn);
+ conn->disc_timeout = HCI_DISCONN_TIMEOUT;
} else
conn->state = BT_CONNECTED;
@@ -1063,9 +1064,14 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s
hci_proto_connect_cfm(conn, ev->status);
hci_conn_put(conn);
}
- } else
+ } else {
hci_auth_cfm(conn, ev->status);
+ hci_conn_hold(conn);
+ conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+ hci_conn_put(conn);
+ }
+
if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
if (!ev->status) {
struct hci_cp_set_conn_encrypt cp;
@@ -1479,7 +1485,21 @@ static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb
static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
+ struct hci_ev_pin_code_req *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 && conn->state == BT_CONNECTED) {
+ hci_conn_hold(conn);
+ conn->disc_timeout = HCI_PAIRING_TIMEOUT;
+ hci_conn_put(conn);
+ }
+
+ hci_dev_unlock(hdev);
}
static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
@@ -1489,7 +1509,21 @@ static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff
static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
+ struct hci_ev_link_key_notify *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);
+ conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+ hci_conn_put(conn);
+ }
+
+ hci_dev_unlock(hdev);
}
static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index ed82796d4a0f..4cc3624bd22d 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -9,8 +9,7 @@
struct class *bt_class = NULL;
EXPORT_SYMBOL_GPL(bt_class);
-static struct workqueue_struct *btaddconn;
-static struct workqueue_struct *btdelconn;
+static struct workqueue_struct *bt_workq;
static inline char *link_typetostr(int type)
{
@@ -88,35 +87,20 @@ static struct device_type bt_link = {
static void add_conn(struct work_struct *work)
{
- struct hci_conn *conn = container_of(work, struct hci_conn, work);
+ struct hci_conn *conn = container_of(work, struct hci_conn, work_add);
+ struct hci_dev *hdev = conn->hdev;
+
+ /* ensure previous del is complete */
+ flush_work(&conn->work_del);
- flush_workqueue(btdelconn);
+ dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
if (device_add(&conn->dev) < 0) {
BT_ERR("Failed to register connection device");
return;
}
-}
-
-void hci_conn_add_sysfs(struct hci_conn *conn)
-{
- struct hci_dev *hdev = conn->hdev;
-
- BT_DBG("conn %p", conn);
-
- conn->dev.type = &bt_link;
- conn->dev.class = bt_class;
- conn->dev.parent = &hdev->dev;
-
- dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
-
- dev_set_drvdata(&conn->dev, conn);
-
- device_initialize(&conn->dev);
- INIT_WORK(&conn->work, add_conn);
-
- queue_work(btaddconn, &conn->work);
+ hci_dev_hold(hdev);
}
/*
@@ -131,9 +115,15 @@ static int __match_tty(struct device *dev, void *data)
static void del_conn(struct work_struct *work)
{
- struct hci_conn *conn = container_of(work, struct hci_conn, work);
+ struct hci_conn *conn = container_of(work, struct hci_conn, work_del);
struct hci_dev *hdev = conn->hdev;
+ /* ensure previous add is complete */
+ flush_work(&conn->work_add);
+
+ if (!device_is_registered(&conn->dev))
+ return;
+
while (1) {
struct device *dev;
@@ -146,19 +136,40 @@ static void del_conn(struct work_struct *work)
device_del(&conn->dev);
put_device(&conn->dev);
+
hci_dev_put(hdev);
}
-void hci_conn_del_sysfs(struct hci_conn *conn)
+void hci_conn_init_sysfs(struct hci_conn *conn)
{
+ struct hci_dev *hdev = conn->hdev;
+
BT_DBG("conn %p", conn);
- if (!device_is_registered(&conn->dev))
- return;
+ conn->dev.type = &bt_link;
+ conn->dev.class = bt_class;
+ conn->dev.parent = &hdev->dev;
+
+ dev_set_drvdata(&conn->dev, conn);
+
+ device_initialize(&conn->dev);
+
+ INIT_WORK(&conn->work_add, add_conn);
+ INIT_WORK(&conn->work_del, del_conn);
+}
- INIT_WORK(&conn->work, del_conn);
+void hci_conn_add_sysfs(struct hci_conn *conn)
+{
+ BT_DBG("conn %p", conn);
- queue_work(btdelconn, &conn->work);
+ queue_work(bt_workq, &conn->work_add);
+}
+
+void hci_conn_del_sysfs(struct hci_conn *conn)
+{
+ BT_DBG("conn %p", conn);
+
+ queue_work(bt_workq, &conn->work_del);
}
static inline char *host_typetostr(int type)
@@ -435,20 +446,13 @@ void hci_unregister_sysfs(struct hci_dev *hdev)
int __init bt_sysfs_init(void)
{
- btaddconn = create_singlethread_workqueue("btaddconn");
- if (!btaddconn)
+ bt_workq = create_singlethread_workqueue("bluetooth");
+ if (!bt_workq)
return -ENOMEM;
- btdelconn = create_singlethread_workqueue("btdelconn");
- if (!btdelconn) {
- destroy_workqueue(btaddconn);
- return -ENOMEM;
- }
-
bt_class = class_create(THIS_MODULE, "bluetooth");
if (IS_ERR(bt_class)) {
- destroy_workqueue(btdelconn);
- destroy_workqueue(btaddconn);
+ destroy_workqueue(bt_workq);
return PTR_ERR(bt_class);
}
@@ -457,8 +461,7 @@ int __init bt_sysfs_init(void)
void bt_sysfs_cleanup(void)
{
- destroy_workqueue(btaddconn);
- destroy_workqueue(btdelconn);
+ destroy_workqueue(bt_workq);
class_destroy(bt_class);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 16:11:18 +0000