#define AUTO_OFF_TIMEOUT 2000
+int enable_hs;
+
+static void hci_rx_work(struct work_struct *work);
static void hci_cmd_task(unsigned long arg);
-static void hci_rx_task(unsigned long arg);
static void hci_tx_task(unsigned long arg);
-static DEFINE_RWLOCK(hci_task_lock);
+static DEFINE_MUTEX(hci_task_lock);
/* HCI device list */
LIST_HEAD(hci_dev_list);
/* Read Buffer Size (ACL mtu, max pkt, etc.) */
hci_send_cmd(hdev, HCI_OP_READ_BUFFER_SIZE, 0, NULL);
-#if 0
- /* Host buffer size */
- {
- struct hci_cp_host_buffer_size cp;
- cp.acl_mtu = cpu_to_le16(HCI_MAX_ACL_SIZE);
- cp.sco_mtu = HCI_MAX_SCO_SIZE;
- cp.acl_max_pkt = cpu_to_le16(0xffff);
- cp.sco_max_pkt = cpu_to_le16(0xffff);
- hci_send_cmd(hdev, HCI_OP_HOST_BUFFER_SIZE, sizeof(cp), &cp);
- }
-#endif
-
/* Read BD Address */
hci_send_cmd(hdev, HCI_OP_READ_BD_ADDR, 0, NULL);
if (!hdev)
return -ENODEV;
- hci_dev_lock_bh(hdev);
+ hci_dev_lock(hdev);
if (inquiry_cache_age(hdev) > INQUIRY_CACHE_AGE_MAX ||
inquiry_cache_empty(hdev) ||
ir.flags & IREQ_CACHE_FLUSH) {
inquiry_cache_flush(hdev);
do_inquiry = 1;
}
- hci_dev_unlock_bh(hdev);
+ hci_dev_unlock(hdev);
timeo = ir.length * msecs_to_jiffies(2000);
goto done;
}
- hci_dev_lock_bh(hdev);
+ hci_dev_lock(hdev);
ir.num_rsp = inquiry_cache_dump(hdev, max_rsp, buf);
- hci_dev_unlock_bh(hdev);
+ hci_dev_unlock(hdev);
BT_DBG("num_rsp %d", ir.num_rsp);
if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
set_bit(HCI_RAW, &hdev->flags);
- /* Treat all non BR/EDR controllers as raw devices for now */
- if (hdev->dev_type != HCI_BREDR)
+ /* Treat all non BR/EDR controllers as raw devices if
+ enable_hs is not set */
+ if (hdev->dev_type != HCI_BREDR && !enable_hs)
set_bit(HCI_RAW, &hdev->flags);
if (hdev->open(hdev)) {
set_bit(HCI_UP, &hdev->flags);
hci_notify(hdev, HCI_DEV_UP);
if (!test_bit(HCI_SETUP, &hdev->flags)) {
- hci_dev_lock_bh(hdev);
+ hci_dev_lock(hdev);
mgmt_powered(hdev, 1);
- hci_dev_unlock_bh(hdev);
+ hci_dev_unlock(hdev);
}
} else {
/* Init failed, cleanup */
- tasklet_kill(&hdev->rx_task);
tasklet_kill(&hdev->tx_task);
tasklet_kill(&hdev->cmd_task);
+ flush_work(&hdev->rx_work);
skb_queue_purge(&hdev->cmd_q);
skb_queue_purge(&hdev->rx_q);
}
/* Kill RX and TX tasks */
- tasklet_kill(&hdev->rx_task);
tasklet_kill(&hdev->tx_task);
+ flush_work(&hdev->rx_work);
if (hdev->discov_timeout > 0) {
cancel_delayed_work(&hdev->discov_off);
if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->flags))
cancel_delayed_work(&hdev->power_off);
- hci_dev_lock_bh(hdev);
+ hci_dev_lock(hdev);
inquiry_cache_flush(hdev);
hci_conn_hash_flush(hdev);
- hci_dev_unlock_bh(hdev);
+ hci_dev_unlock(hdev);
hci_notify(hdev, HCI_DEV_DOWN);
* and no tasks are scheduled. */
hdev->close(hdev);
- hci_dev_lock_bh(hdev);
+ hci_dev_lock(hdev);
mgmt_powered(hdev, 0);
- hci_dev_unlock_bh(hdev);
+ hci_dev_unlock(hdev);
/* Clear flags */
hdev->flags = 0;
skb_queue_purge(&hdev->rx_q);
skb_queue_purge(&hdev->cmd_q);
- hci_dev_lock_bh(hdev);
+ hci_dev_lock(hdev);
inquiry_cache_flush(hdev);
hci_conn_hash_flush(hdev);
- hci_dev_unlock_bh(hdev);
+ hci_dev_unlock(hdev);
if (hdev->flush)
hdev->flush(hdev);
BT_DBG("%s", hdev->name);
- hci_dev_lock_bh(hdev);
+ hci_dev_lock(hdev);
hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
hdev->discov_timeout = 0;
- hci_dev_unlock_bh(hdev);
+ hci_dev_unlock(hdev);
}
int hci_uuids_clear(struct hci_dev *hdev)
{
struct bdaddr_list *entry;
- if (bacmp(bdaddr, BDADDR_ANY) == 0) {
+ if (bacmp(bdaddr, BDADDR_ANY) == 0)
return hci_blacklist_clear(hdev);
- }
entry = hci_blacklist_lookup(hdev, bdaddr);
- if (!entry) {
+ if (!entry)
return -ENOENT;
- }
list_del(&entry->list);
kfree(entry);
return mgmt_device_unblocked(hdev, bdaddr);
}
-static void hci_clear_adv_cache(unsigned long arg)
+static void hci_clear_adv_cache(struct work_struct *work)
{
- struct hci_dev *hdev = (void *) arg;
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ adv_work.work);
hci_dev_lock(hdev);
sprintf(hdev->name, "hci%d", id);
hdev->id = id;
- list_add(&hdev->list, head);
+ list_add_tail(&hdev->list, head);
atomic_set(&hdev->refcnt, 1);
- spin_lock_init(&hdev->lock);
+ mutex_init(&hdev->lock);
hdev->flags = 0;
+ hdev->dev_flags = 0;
hdev->pkt_type = (HCI_DM1 | HCI_DH1 | HCI_HV1);
hdev->esco_type = (ESCO_HV1);
hdev->link_mode = (HCI_LM_ACCEPT);
hdev->sniff_max_interval = 800;
hdev->sniff_min_interval = 80;
- tasklet_init(&hdev->cmd_task, hci_cmd_task, (unsigned long) hdev);
- tasklet_init(&hdev->rx_task, hci_rx_task, (unsigned long) hdev);
+ INIT_WORK(&hdev->rx_work, hci_rx_work);
+
+ tasklet_init(&hdev->cmd_task, hci_cmd_task,(unsigned long) hdev);
tasklet_init(&hdev->tx_task, hci_tx_task, (unsigned long) hdev);
skb_queue_head_init(&hdev->rx_q);
INIT_LIST_HEAD(&hdev->remote_oob_data);
INIT_LIST_HEAD(&hdev->adv_entries);
- setup_timer(&hdev->adv_timer, hci_clear_adv_cache,
- (unsigned long) hdev);
+ INIT_DELAYED_WORK(&hdev->adv_work, hci_clear_adv_cache);
INIT_WORK(&hdev->power_on, hci_power_on);
INIT_DELAYED_WORK(&hdev->power_off, hci_power_off);
if (!test_bit(HCI_INIT, &hdev->flags) &&
!test_bit(HCI_SETUP, &hdev->flags)) {
- hci_dev_lock_bh(hdev);
+ hci_dev_lock(hdev);
mgmt_index_removed(hdev);
- hci_dev_unlock_bh(hdev);
+ hci_dev_unlock(hdev);
}
/* mgmt_index_removed should take care of emptying the
hci_del_sysfs(hdev);
- del_timer(&hdev->adv_timer);
+ cancel_delayed_work_sync(&hdev->adv_work);
destroy_workqueue(hdev->workqueue);
- hci_dev_lock_bh(hdev);
+ hci_dev_lock(hdev);
hci_blacklist_clear(hdev);
hci_uuids_clear(hdev);
hci_link_keys_clear(hdev);
hci_remote_oob_data_clear(hdev);
hci_adv_entries_clear(hdev);
- hci_dev_unlock_bh(hdev);
+ hci_dev_unlock(hdev);
__hci_dev_put(hdev);
}
/* Time stamp */
__net_timestamp(skb);
- /* Queue frame for rx task */
skb_queue_tail(&hdev->rx_q, skb);
- tasklet_schedule(&hdev->rx_task);
+ queue_work(hdev->workqueue, &hdev->rx_work);
return 0;
}
if (hp->id >= HCI_MAX_PROTO)
return -EINVAL;
- write_lock_bh(&hci_task_lock);
+ mutex_lock(&hci_task_lock);
if (!hci_proto[hp->id])
hci_proto[hp->id] = hp;
else
err = -EEXIST;
- write_unlock_bh(&hci_task_lock);
+ mutex_unlock(&hci_task_lock);
return err;
}
if (hp->id >= HCI_MAX_PROTO)
return -EINVAL;
- write_lock_bh(&hci_task_lock);
+ mutex_lock(&hci_task_lock);
if (hci_proto[hp->id])
hci_proto[hp->id] = NULL;
else
err = -ENOENT;
- write_unlock_bh(&hci_task_lock);
+ mutex_unlock(&hci_task_lock);
return err;
}
/* We don't have to lock device here. Connections are always
* added and removed with TX task disabled. */
- list_for_each_entry(c, &h->list, list) {
+
+ rcu_read_lock();
+
+ list_for_each_entry_rcu(c, &h->list, list) {
if (c->type != type || skb_queue_empty(&c->data_q))
continue;
break;
}
+ rcu_read_unlock();
+
if (conn) {
int cnt, q;
BT_ERR("%s link tx timeout", hdev->name);
+ rcu_read_lock();
+
/* Kill stalled connections */
- list_for_each_entry(c, &h->list, list) {
+ list_for_each_entry_rcu(c, &h->list, list) {
if (c->type == type && c->sent) {
BT_ERR("%s killing stalled connection %s",
hdev->name, batostr(&c->dst));
hci_acl_disconn(c, 0x13);
}
}
+
+ rcu_read_unlock();
}
static inline struct hci_chan *hci_chan_sent(struct hci_dev *hdev, __u8 type,
BT_DBG("%s", hdev->name);
- list_for_each_entry(conn, &h->list, list) {
- struct hci_chan_hash *ch;
+ rcu_read_lock();
+
+ list_for_each_entry_rcu(conn, &h->list, list) {
struct hci_chan *tmp;
if (conn->type != type)
conn_num++;
- ch = &conn->chan_hash;
-
- list_for_each_entry(tmp, &ch->list, list) {
+ list_for_each_entry_rcu(tmp, &conn->chan_list, list) {
struct sk_buff *skb;
if (skb_queue_empty(&tmp->data_q))
break;
}
+ rcu_read_unlock();
+
if (!chan)
return NULL;
BT_DBG("%s", hdev->name);
- list_for_each_entry(conn, &h->list, list) {
- struct hci_chan_hash *ch;
+ rcu_read_lock();
+
+ list_for_each_entry_rcu(conn, &h->list, list) {
struct hci_chan *chan;
if (conn->type != type)
num++;
- ch = &conn->chan_hash;
- list_for_each_entry(chan, &ch->list, list) {
+ list_for_each_entry_rcu(chan, &conn->chan_list, list) {
struct sk_buff *skb;
if (chan->sent) {
if (hci_conn_num(hdev, type) == num)
break;
}
+
+ rcu_read_unlock();
+
}
static inline void hci_sched_acl(struct hci_dev *hdev)
struct hci_dev *hdev = (struct hci_dev *) arg;
struct sk_buff *skb;
- read_lock(&hci_task_lock);
+ mutex_lock(&hci_task_lock);
BT_DBG("%s acl %d sco %d le %d", hdev->name, hdev->acl_cnt,
hdev->sco_cnt, hdev->le_cnt);
while ((skb = skb_dequeue(&hdev->raw_q)))
hci_send_frame(skb);
- read_unlock(&hci_task_lock);
+ mutex_unlock(&hci_task_lock);
}
/* ----- HCI RX task (incoming data processing) ----- */
kfree_skb(skb);
}
-static void hci_rx_task(unsigned long arg)
+static void hci_rx_work(struct work_struct *work)
{
- struct hci_dev *hdev = (struct hci_dev *) arg;
+ struct hci_dev *hdev = container_of(work, struct hci_dev, rx_work);
struct sk_buff *skb;
BT_DBG("%s", hdev->name);
- read_lock(&hci_task_lock);
+ mutex_lock(&hci_task_lock);
while ((skb = skb_dequeue(&hdev->rx_q))) {
if (atomic_read(&hdev->promisc)) {
/* Process frame */
switch (bt_cb(skb)->pkt_type) {
case HCI_EVENT_PKT:
+ BT_DBG("%s Event packet", hdev->name);
hci_event_packet(hdev, skb);
break;
}
}
- read_unlock(&hci_task_lock);
+ mutex_unlock(&hci_task_lock);
}
static void hci_cmd_task(unsigned long arg)
return hci_send_cmd(hdev, HCI_OP_INQUIRY_CANCEL, 0, NULL);
}
+
+module_param(enable_hs, bool, 0644);
+MODULE_PARM_DESC(enable_hs, "Enable High Speed");
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff