/*
BlueZ - Bluetooth protocol stack for Linux
Copyright (C) 2000-2001 Qualcomm Incorporated
+ Copyright (C) 2011 ProFUSION Embedded Systems
Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
#include <linux/skbuff.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
-#include <linux/notifier.h>
#include <linux/rfkill.h>
#include <linux/timer.h>
#include <linux/crypto.h>
#include <net/sock.h>
-#include <asm/system.h>
#include <linux/uaccess.h>
#include <asm/unaligned.h>
#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_tx_task(unsigned long arg);
-
-static DEFINE_RWLOCK(hci_task_lock);
+static void hci_cmd_work(struct work_struct *work);
+static void hci_tx_work(struct work_struct *work);
/* HCI device list */
LIST_HEAD(hci_dev_list);
LIST_HEAD(hci_cb_list);
DEFINE_RWLOCK(hci_cb_list_lock);
-/* HCI protocols */
-#define HCI_MAX_PROTO 2
-struct hci_proto *hci_proto[HCI_MAX_PROTO];
-
-/* HCI notifiers list */
-static ATOMIC_NOTIFIER_HEAD(hci_notifier);
-
/* ---- HCI notifications ---- */
-int hci_register_notifier(struct notifier_block *nb)
-{
- return atomic_notifier_chain_register(&hci_notifier, nb);
-}
-
-int hci_unregister_notifier(struct notifier_block *nb)
-{
- return atomic_notifier_chain_unregister(&hci_notifier, nb);
-}
-
static void hci_notify(struct hci_dev *hdev, int event)
{
- atomic_notifier_call_chain(&hci_notifier, event, hdev);
+ hci_sock_dev_event(hdev, event);
}
/* ---- HCI requests ---- */
/* If this is the init phase check if the completed command matches
* the last init command, and if not just return.
*/
- if (test_bit(HCI_INIT, &hdev->flags) && hdev->init_last_cmd != cmd)
+ if (test_bit(HCI_INIT, &hdev->flags) && hdev->init_last_cmd != cmd) {
+ struct hci_command_hdr *sent = (void *) hdev->sent_cmd->data;
+ struct sk_buff *skb;
+
+ /* Some CSR based controllers generate a spontaneous
+ * reset complete event during init and any pending
+ * command will never be completed. In such a case we
+ * need to resend whatever was the last sent
+ * command.
+ */
+
+ if (cmd != HCI_OP_RESET || sent->opcode == HCI_OP_RESET)
+ return;
+
+ skb = skb_clone(hdev->sent_cmd, GFP_ATOMIC);
+ if (skb) {
+ skb_queue_head(&hdev->cmd_q, skb);
+ queue_work(hdev->workqueue, &hdev->cmd_work);
+ }
+
return;
+ }
if (hdev->req_status == HCI_REQ_PEND) {
hdev->req_result = result;
hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL);
}
-static void hci_init_req(struct hci_dev *hdev, unsigned long opt)
+static void bredr_init(struct hci_dev *hdev)
{
struct hci_cp_delete_stored_link_key cp;
- struct sk_buff *skb;
__le16 param;
__u8 flt_type;
- BT_DBG("%s %ld", hdev->name, opt);
-
- /* Driver initialization */
-
- /* Special commands */
- while ((skb = skb_dequeue(&hdev->driver_init))) {
- bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
- skb->dev = (void *) hdev;
-
- skb_queue_tail(&hdev->cmd_q, skb);
- tasklet_schedule(&hdev->cmd_task);
- }
- skb_queue_purge(&hdev->driver_init);
+ hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_PACKET_BASED;
/* Mandatory initialization */
/* Reset */
if (!test_bit(HCI_QUIRK_NO_RESET, &hdev->quirks)) {
- set_bit(HCI_RESET, &hdev->flags);
- hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL);
+ set_bit(HCI_RESET, &hdev->flags);
+ hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL);
}
/* Read Local Supported Features */
hci_send_cmd(hdev, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp);
}
+static void amp_init(struct hci_dev *hdev)
+{
+ hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_BLOCK_BASED;
+
+ /* Reset */
+ hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL);
+
+ /* Read Local Version */
+ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL);
+}
+
+static void hci_init_req(struct hci_dev *hdev, unsigned long opt)
+{
+ struct sk_buff *skb;
+
+ BT_DBG("%s %ld", hdev->name, opt);
+
+ /* Driver initialization */
+
+ /* Special commands */
+ while ((skb = skb_dequeue(&hdev->driver_init))) {
+ bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
+ skb->dev = (void *) hdev;
+
+ skb_queue_tail(&hdev->cmd_q, skb);
+ queue_work(hdev->workqueue, &hdev->cmd_work);
+ }
+ skb_queue_purge(&hdev->driver_init);
+
+ switch (hdev->dev_type) {
+ case HCI_BREDR:
+ bredr_init(hdev);
+ break;
+
+ case HCI_AMP:
+ amp_init(hdev);
+ break;
+
+ default:
+ BT_ERR("Unknown device type %d", hdev->dev_type);
+ break;
+ }
+
+}
+
static void hci_le_init_req(struct hci_dev *hdev, unsigned long opt)
{
BT_DBG("%s", hdev->name);
}
/* ---- Inquiry support ---- */
-static void inquiry_cache_flush(struct hci_dev *hdev)
+
+bool hci_discovery_active(struct hci_dev *hdev)
{
- struct inquiry_cache *cache = &hdev->inq_cache;
- struct inquiry_entry *next = cache->list, *e;
+ struct discovery_state *discov = &hdev->discovery;
- BT_DBG("cache %p", cache);
+ switch (discov->state) {
+ case DISCOVERY_FINDING:
+ case DISCOVERY_RESOLVING:
+ return true;
- cache->list = NULL;
- while ((e = next)) {
- next = e->next;
- kfree(e);
+ default:
+ return false;
}
}
+void hci_discovery_set_state(struct hci_dev *hdev, int state)
+{
+ BT_DBG("%s state %u -> %u", hdev->name, hdev->discovery.state, state);
+
+ if (hdev->discovery.state == state)
+ return;
+
+ switch (state) {
+ case DISCOVERY_STOPPED:
+ if (hdev->discovery.state != DISCOVERY_STARTING)
+ mgmt_discovering(hdev, 0);
+ hdev->discovery.type = 0;
+ break;
+ case DISCOVERY_STARTING:
+ break;
+ case DISCOVERY_FINDING:
+ mgmt_discovering(hdev, 1);
+ break;
+ case DISCOVERY_RESOLVING:
+ break;
+ case DISCOVERY_STOPPING:
+ break;
+ }
+
+ hdev->discovery.state = state;
+}
+
+static void inquiry_cache_flush(struct hci_dev *hdev)
+{
+ struct discovery_state *cache = &hdev->discovery;
+ struct inquiry_entry *p, *n;
+
+ list_for_each_entry_safe(p, n, &cache->all, all) {
+ list_del(&p->all);
+ kfree(p);
+ }
+
+ INIT_LIST_HEAD(&cache->unknown);
+ INIT_LIST_HEAD(&cache->resolve);
+}
+
struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr)
{
- struct inquiry_cache *cache = &hdev->inq_cache;
+ struct discovery_state *cache = &hdev->discovery;
+ struct inquiry_entry *e;
+
+ BT_DBG("cache %p, %s", cache, batostr(bdaddr));
+
+ list_for_each_entry(e, &cache->all, all) {
+ if (!bacmp(&e->data.bdaddr, bdaddr))
+ return e;
+ }
+
+ return NULL;
+}
+
+struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
+ bdaddr_t *bdaddr)
+{
+ struct discovery_state *cache = &hdev->discovery;
struct inquiry_entry *e;
BT_DBG("cache %p, %s", cache, batostr(bdaddr));
- for (e = cache->list; e; e = e->next)
+ list_for_each_entry(e, &cache->unknown, list) {
if (!bacmp(&e->data.bdaddr, bdaddr))
+ return e;
+ }
+
+ return NULL;
+}
+
+struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
+ bdaddr_t *bdaddr,
+ int state)
+{
+ struct discovery_state *cache = &hdev->discovery;
+ struct inquiry_entry *e;
+
+ BT_DBG("cache %p bdaddr %s state %d", cache, batostr(bdaddr), state);
+
+ list_for_each_entry(e, &cache->resolve, list) {
+ if (!bacmp(bdaddr, BDADDR_ANY) && e->name_state == state)
+ return e;
+ if (!bacmp(&e->data.bdaddr, bdaddr))
+ return e;
+ }
+
+ return NULL;
+}
+
+void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
+ struct inquiry_entry *ie)
+{
+ struct discovery_state *cache = &hdev->discovery;
+ struct list_head *pos = &cache->resolve;
+ struct inquiry_entry *p;
+
+ list_del(&ie->list);
+
+ list_for_each_entry(p, &cache->resolve, list) {
+ if (p->name_state != NAME_PENDING &&
+ abs(p->data.rssi) >= abs(ie->data.rssi))
break;
- return e;
+ pos = &p->list;
+ }
+
+ list_add(&ie->list, pos);
}
-void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data)
+bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
+ bool name_known, bool *ssp)
{
- struct inquiry_cache *cache = &hdev->inq_cache;
+ struct discovery_state *cache = &hdev->discovery;
struct inquiry_entry *ie;
BT_DBG("cache %p, %s", cache, batostr(&data->bdaddr));
+ if (ssp)
+ *ssp = data->ssp_mode;
+
ie = hci_inquiry_cache_lookup(hdev, &data->bdaddr);
- if (!ie) {
- /* Entry not in the cache. Add new one. */
- ie = kzalloc(sizeof(struct inquiry_entry), GFP_ATOMIC);
- if (!ie)
- return;
+ if (ie) {
+ if (ie->data.ssp_mode && ssp)
+ *ssp = true;
+
+ if (ie->name_state == NAME_NEEDED &&
+ data->rssi != ie->data.rssi) {
+ ie->data.rssi = data->rssi;
+ hci_inquiry_cache_update_resolve(hdev, ie);
+ }
+
+ goto update;
+ }
+
+ /* Entry not in the cache. Add new one. */
+ ie = kzalloc(sizeof(struct inquiry_entry), GFP_ATOMIC);
+ if (!ie)
+ return false;
- ie->next = cache->list;
- cache->list = ie;
+ list_add(&ie->all, &cache->all);
+
+ if (name_known) {
+ ie->name_state = NAME_KNOWN;
+ } else {
+ ie->name_state = NAME_NOT_KNOWN;
+ list_add(&ie->list, &cache->unknown);
+ }
+
+update:
+ if (name_known && ie->name_state != NAME_KNOWN &&
+ ie->name_state != NAME_PENDING) {
+ ie->name_state = NAME_KNOWN;
+ list_del(&ie->list);
}
memcpy(&ie->data, data, sizeof(*data));
ie->timestamp = jiffies;
cache->timestamp = jiffies;
+
+ if (ie->name_state == NAME_NOT_KNOWN)
+ return false;
+
+ return true;
}
static int inquiry_cache_dump(struct hci_dev *hdev, int num, __u8 *buf)
{
- struct inquiry_cache *cache = &hdev->inq_cache;
+ struct discovery_state *cache = &hdev->discovery;
struct inquiry_info *info = (struct inquiry_info *) buf;
struct inquiry_entry *e;
int copied = 0;
- for (e = cache->list; e && copied < num; e = e->next, copied++) {
+ list_for_each_entry(e, &cache->all, all) {
struct inquiry_data *data = &e->data;
+
+ if (copied >= num)
+ break;
+
bacpy(&info->bdaddr, &data->bdaddr);
info->pscan_rep_mode = data->pscan_rep_mode;
info->pscan_period_mode = data->pscan_period_mode;
info->pscan_mode = data->pscan_mode;
memcpy(info->dev_class, data->dev_class, 3);
info->clock_offset = data->clock_offset;
+
info++;
+ copied++;
}
BT_DBG("cache %p, copied %d", cache, copied);
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);
hci_req_lock(hdev);
+ if (test_bit(HCI_UNREGISTER, &hdev->dev_flags)) {
+ ret = -ENODEV;
+ goto done;
+ }
+
if (hdev->rfkill && rfkill_blocked(hdev->rfkill)) {
ret = -ERFKILL;
goto done;
hci_dev_hold(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);
+ if (!test_bit(HCI_SETUP, &hdev->dev_flags)) {
+ hci_dev_lock(hdev);
mgmt_powered(hdev, 1);
- hci_dev_unlock_bh(hdev);
+ hci_dev_unlock(hdev);
}
} else {
/* Init failed, cleanup */
- tasklet_kill(&hdev->tx_task);
- tasklet_kill(&hdev->cmd_task);
+ flush_work(&hdev->tx_work);
+ flush_work(&hdev->cmd_work);
flush_work(&hdev->rx_work);
skb_queue_purge(&hdev->cmd_q);
{
BT_DBG("%s %p", hdev->name, hdev);
+ cancel_work_sync(&hdev->le_scan);
+
hci_req_cancel(hdev, ENODEV);
hci_req_lock(hdev);
return 0;
}
- /* Kill RX and TX tasks */
- tasklet_kill(&hdev->tx_task);
+ /* Flush RX and TX works */
+ flush_work(&hdev->tx_work);
flush_work(&hdev->rx_work);
if (hdev->discov_timeout > 0) {
cancel_delayed_work(&hdev->discov_off);
hdev->discov_timeout = 0;
+ clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
}
- if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->flags))
- cancel_delayed_work(&hdev->power_off);
+ if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
+ cancel_delayed_work(&hdev->service_cache);
+
+ cancel_delayed_work_sync(&hdev->le_scan_disable);
- 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);
/* Reset device */
skb_queue_purge(&hdev->cmd_q);
atomic_set(&hdev->cmd_cnt, 1);
- if (!test_bit(HCI_RAW, &hdev->flags)) {
+ if (!test_bit(HCI_RAW, &hdev->flags) &&
+ test_bit(HCI_QUIRK_NO_RESET, &hdev->quirks)) {
set_bit(HCI_INIT, &hdev->flags);
__hci_request(hdev, hci_reset_req, 0,
- msecs_to_jiffies(HCI_INIT_TIMEOUT));
+ msecs_to_jiffies(250));
clear_bit(HCI_INIT, &hdev->flags);
}
- /* Kill cmd task */
- tasklet_kill(&hdev->cmd_task);
+ /* flush cmd work */
+ flush_work(&hdev->cmd_work);
/* Drop queues */
skb_queue_purge(&hdev->rx_q);
* and no tasks are scheduled. */
hdev->close(hdev);
- hci_dev_lock_bh(hdev);
- mgmt_powered(hdev, 0);
- hci_dev_unlock_bh(hdev);
+ if (!test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
+ hci_dev_lock(hdev);
+ mgmt_powered(hdev, 0);
+ hci_dev_unlock(hdev);
+ }
/* Clear flags */
hdev->flags = 0;
+ memset(hdev->eir, 0, sizeof(hdev->eir));
+ memset(hdev->dev_class, 0, sizeof(hdev->dev_class));
+
hci_req_unlock(hdev);
hci_dev_put(hdev);
hdev = hci_dev_get(dev);
if (!hdev)
return -ENODEV;
+
+ if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags))
+ cancel_delayed_work(&hdev->power_off);
+
err = hci_dev_do_close(hdev);
+
hci_dev_put(hdev);
return err;
}
return -ENODEV;
hci_req_lock(hdev);
- tasklet_disable(&hdev->tx_task);
if (!test_bit(HCI_UP, &hdev->flags))
goto done;
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);
msecs_to_jiffies(HCI_INIT_TIMEOUT));
done:
- tasklet_enable(&hdev->tx_task);
hci_req_unlock(hdev);
hci_dev_put(hdev);
return ret;
dr = dl->dev_req;
- read_lock_bh(&hci_dev_list_lock);
+ read_lock(&hci_dev_list_lock);
list_for_each_entry(hdev, &hci_dev_list, list) {
- if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->flags))
+ if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags))
cancel_delayed_work(&hdev->power_off);
- if (!test_bit(HCI_MGMT, &hdev->flags))
- set_bit(HCI_PAIRABLE, &hdev->flags);
+ if (!test_bit(HCI_MGMT, &hdev->dev_flags))
+ set_bit(HCI_PAIRABLE, &hdev->dev_flags);
(dr + n)->dev_id = hdev->id;
(dr + n)->dev_opt = hdev->flags;
if (++n >= dev_num)
break;
}
- read_unlock_bh(&hci_dev_list_lock);
+ read_unlock(&hci_dev_list_lock);
dl->dev_num = n;
size = sizeof(*dl) + n * sizeof(*dr);
if (!hdev)
return -ENODEV;
- if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->flags))
+ if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags))
cancel_delayed_work_sync(&hdev->power_off);
- if (!test_bit(HCI_MGMT, &hdev->flags))
- set_bit(HCI_PAIRABLE, &hdev->flags);
+ if (!test_bit(HCI_MGMT, &hdev->dev_flags))
+ set_bit(HCI_PAIRABLE, &hdev->dev_flags);
strcpy(di.name, hdev->name);
di.bdaddr = hdev->bdaddr;
if (hci_dev_open(hdev->id) < 0)
return;
- if (test_bit(HCI_AUTO_OFF, &hdev->flags))
- queue_delayed_work(hdev->workqueue, &hdev->power_off,
+ if (test_bit(HCI_AUTO_OFF, &hdev->dev_flags))
+ schedule_delayed_work(&hdev->power_off,
msecs_to_jiffies(AUTO_OFF_TIMEOUT));
- if (test_and_clear_bit(HCI_SETUP, &hdev->flags))
+ if (test_and_clear_bit(HCI_SETUP, &hdev->dev_flags))
mgmt_index_added(hdev);
}
BT_DBG("%s", hdev->name);
- clear_bit(HCI_AUTO_OFF, &hdev->flags);
-
- hci_dev_close(hdev->id);
+ hci_dev_do_close(hdev);
}
static void hci_discov_off(struct work_struct *work)
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)
return 0;
}
+int hci_smp_ltks_clear(struct hci_dev *hdev)
+{
+ struct smp_ltk *k, *tmp;
+
+ list_for_each_entry_safe(k, tmp, &hdev->long_term_keys, list) {
+ list_del(&k->list);
+ kfree(k);
+ }
+
+ return 0;
+}
+
struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr)
{
struct link_key *k;
return NULL;
}
-static int hci_persistent_key(struct hci_dev *hdev, struct hci_conn *conn,
+static bool hci_persistent_key(struct hci_dev *hdev, struct hci_conn *conn,
u8 key_type, u8 old_key_type)
{
/* Legacy key */
if (key_type < 0x03)
- return 1;
+ return true;
/* Debug keys are insecure so don't store them persistently */
if (key_type == HCI_LK_DEBUG_COMBINATION)
- return 0;
+ return false;
/* Changed combination key and there's no previous one */
if (key_type == HCI_LK_CHANGED_COMBINATION && old_key_type == 0xff)
- return 0;
+ return false;
/* Security mode 3 case */
if (!conn)
- return 1;
+ return true;
/* Neither local nor remote side had no-bonding as requirement */
if (conn->auth_type > 0x01 && conn->remote_auth > 0x01)
- return 1;
+ return true;
/* Local side had dedicated bonding as requirement */
if (conn->auth_type == 0x02 || conn->auth_type == 0x03)
- return 1;
+ return true;
/* Remote side had dedicated bonding as requirement */
if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03)
- return 1;
+ return true;
/* If none of the above criteria match, then don't store the key
* persistently */
- return 0;
+ return false;
}
-struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8])
+struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8])
{
- struct link_key *k;
+ struct smp_ltk *k;
- list_for_each_entry(k, &hdev->link_keys, list) {
- struct key_master_id *id;
-
- if (k->type != HCI_LK_SMP_LTK)
- continue;
-
- if (k->dlen != sizeof(*id))
+ list_for_each_entry(k, &hdev->long_term_keys, list) {
+ if (k->ediv != ediv ||
+ memcmp(rand, k->rand, sizeof(k->rand)))
continue;
- id = (void *) &k->data;
- if (id->ediv == ediv &&
- (memcmp(rand, id->rand, sizeof(id->rand)) == 0))
- return k;
+ return k;
}
return NULL;
}
EXPORT_SYMBOL(hci_find_ltk);
-struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
- bdaddr_t *bdaddr, u8 type)
+struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 addr_type)
{
- struct link_key *k;
+ struct smp_ltk *k;
- list_for_each_entry(k, &hdev->link_keys, list)
- if (k->type == type && bacmp(bdaddr, &k->bdaddr) == 0)
+ list_for_each_entry(k, &hdev->long_term_keys, list)
+ if (addr_type == k->bdaddr_type &&
+ bacmp(bdaddr, &k->bdaddr) == 0)
return k;
return NULL;
}
-EXPORT_SYMBOL(hci_find_link_key_type);
+EXPORT_SYMBOL(hci_find_ltk_by_addr);
int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
- bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len)
+ bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len)
{
struct link_key *key, *old_key;
- u8 old_key_type, persistent;
+ u8 old_key_type;
+ bool persistent;
old_key = hci_find_link_key(hdev, bdaddr);
if (old_key) {
mgmt_new_link_key(hdev, key, persistent);
- if (!persistent) {
- list_del(&key->list);
- kfree(key);
- }
+ if (conn)
+ conn->flush_key = !persistent;
return 0;
}
-int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
- u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16])
+int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type,
+ int new_key, u8 authenticated, u8 tk[16], u8 enc_size, u16
+ ediv, u8 rand[8])
{
- struct link_key *key, *old_key;
- struct key_master_id *id;
- u8 old_key_type;
+ struct smp_ltk *key, *old_key;
- BT_DBG("%s addr %s", hdev->name, batostr(bdaddr));
+ if (!(type & HCI_SMP_STK) && !(type & HCI_SMP_LTK))
+ return 0;
- old_key = hci_find_link_key_type(hdev, bdaddr, HCI_LK_SMP_LTK);
- if (old_key) {
+ old_key = hci_find_ltk_by_addr(hdev, bdaddr, addr_type);
+ if (old_key)
key = old_key;
- old_key_type = old_key->type;
- } else {
- key = kzalloc(sizeof(*key) + sizeof(*id), GFP_ATOMIC);
+ else {
+ key = kzalloc(sizeof(*key), GFP_ATOMIC);
if (!key)
return -ENOMEM;
- list_add(&key->list, &hdev->link_keys);
- old_key_type = 0xff;
+ list_add(&key->list, &hdev->long_term_keys);
}
- key->dlen = sizeof(*id);
-
bacpy(&key->bdaddr, bdaddr);
- memcpy(key->val, ltk, sizeof(key->val));
- key->type = HCI_LK_SMP_LTK;
- key->pin_len = key_size;
+ key->bdaddr_type = addr_type;
+ memcpy(key->val, tk, sizeof(key->val));
+ key->authenticated = authenticated;
+ key->ediv = ediv;
+ key->enc_size = enc_size;
+ key->type = type;
+ memcpy(key->rand, rand, sizeof(key->rand));
- id = (void *) &key->data;
- id->ediv = ediv;
- memcpy(id->rand, rand, sizeof(id->rand));
+ if (!new_key)
+ return 0;
- if (new_key)
- mgmt_new_link_key(hdev, key, old_key_type);
+ if (type & HCI_SMP_LTK)
+ mgmt_new_ltk(hdev, key, 1);
return 0;
}
return 0;
}
+int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr)
+{
+ struct smp_ltk *k, *tmp;
+
+ list_for_each_entry_safe(k, tmp, &hdev->long_term_keys, list) {
+ if (bacmp(bdaddr, &k->bdaddr))
+ continue;
+
+ BT_DBG("%s removing %s", hdev->name, batostr(bdaddr));
+
+ list_del(&k->list);
+ kfree(k);
+ }
+
+ return 0;
+}
+
/* HCI command timer function */
static void hci_cmd_timer(unsigned long arg)
{
BT_ERR("%s command tx timeout", hdev->name);
atomic_set(&hdev->cmd_cnt, 1);
- tasklet_schedule(&hdev->cmd_task);
+ queue_work(hdev->workqueue, &hdev->cmd_work);
}
struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
- bdaddr_t *bdaddr)
+ bdaddr_t *bdaddr)
{
struct oob_data *data;
}
int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
- u8 *randomizer)
+ u8 *randomizer)
{
struct oob_data *data;
return 0;
}
-struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev,
- bdaddr_t *bdaddr)
+struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr)
{
struct bdaddr_list *b;
return 0;
}
-int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr)
+int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
{
struct bdaddr_list *entry;
list_add(&entry->list, &hdev->blacklist);
- return mgmt_device_blocked(hdev, bdaddr);
+ return mgmt_device_blocked(hdev, bdaddr, type);
}
-int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr)
+int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
{
struct bdaddr_list *entry;
list_del(&entry->list);
kfree(entry);
- return mgmt_device_unblocked(hdev, bdaddr);
+ return mgmt_device_unblocked(hdev, bdaddr, type);
}
-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);
}
int hci_add_adv_entry(struct hci_dev *hdev,
- struct hci_ev_le_advertising_info *ev)
-{
- struct adv_entry *entry;
-
- if (!is_connectable_adv(ev->evt_type))
+ struct hci_ev_le_advertising_info *ev) { struct adv_entry *entry; if (!is_connectable_adv(ev->evt_type))
return -EINVAL;
/* Only new entries should be added to adv_entries. So, if
if (hci_find_adv_entry(hdev, &ev->bdaddr))
return 0;
- entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
+ entry = kzalloc(sizeof(*entry), GFP_KERNEL);
if (!entry)
return -ENOMEM;
return 0;
}
+static void le_scan_param_req(struct hci_dev *hdev, unsigned long opt)
+{
+ struct le_scan_params *param = (struct le_scan_params *) opt;
+ struct hci_cp_le_set_scan_param cp;
+
+ memset(&cp, 0, sizeof(cp));
+ cp.type = param->type;
+ cp.interval = cpu_to_le16(param->interval);
+ cp.window = cpu_to_le16(param->window);
+
+ hci_send_cmd(hdev, HCI_OP_LE_SET_SCAN_PARAM, sizeof(cp), &cp);
+}
+
+static void le_scan_enable_req(struct hci_dev *hdev, unsigned long opt)
+{
+ struct hci_cp_le_set_scan_enable cp;
+
+ memset(&cp, 0, sizeof(cp));
+ cp.enable = 1;
+
+ hci_send_cmd(hdev, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(cp), &cp);
+}
+
+static int hci_do_le_scan(struct hci_dev *hdev, u8 type, u16 interval,
+ u16 window, int timeout)
+{
+ long timeo = msecs_to_jiffies(3000);
+ struct le_scan_params param;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (test_bit(HCI_LE_SCAN, &hdev->dev_flags))
+ return -EINPROGRESS;
+
+ param.type = type;
+ param.interval = interval;
+ param.window = window;
+
+ hci_req_lock(hdev);
+
+ err = __hci_request(hdev, le_scan_param_req, (unsigned long) ¶m,
+ timeo);
+ if (!err)
+ err = __hci_request(hdev, le_scan_enable_req, 0, timeo);
+
+ hci_req_unlock(hdev);
+
+ if (err < 0)
+ return err;
+
+ schedule_delayed_work(&hdev->le_scan_disable,
+ msecs_to_jiffies(timeout));
+
+ return 0;
+}
+
+static void le_scan_disable_work(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ le_scan_disable.work);
+ struct hci_cp_le_set_scan_enable cp;
+
+ BT_DBG("%s", hdev->name);
+
+ memset(&cp, 0, sizeof(cp));
+
+ hci_send_cmd(hdev, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(cp), &cp);
+}
+
+static void le_scan_work(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev, le_scan);
+ struct le_scan_params *param = &hdev->le_scan_params;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_do_le_scan(hdev, param->type, param->interval, param->window,
+ param->timeout);
+}
+
+int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window,
+ int timeout)
+{
+ struct le_scan_params *param = &hdev->le_scan_params;
+
+ BT_DBG("%s", hdev->name);
+
+ if (work_busy(&hdev->le_scan))
+ return -EINPROGRESS;
+
+ param->type = type;
+ param->interval = interval;
+ param->window = window;
+ param->timeout = timeout;
+
+ queue_work(system_long_wq, &hdev->le_scan);
+
+ return 0;
+}
+
/* Register HCI device */
int hci_register_dev(struct hci_dev *hdev)
{
struct list_head *head = &hci_dev_list, *p;
int i, id, error;
- BT_DBG("%p name %s bus %d owner %p", hdev, hdev->name,
- hdev->bus, hdev->owner);
+ BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
- if (!hdev->open || !hdev->close || !hdev->destruct)
+ if (!hdev->open || !hdev->close)
return -EINVAL;
/* Do not allow HCI_AMP devices to register at index 0,
*/
id = (hdev->dev_type == HCI_BREDR) ? 0 : 1;
- write_lock_bh(&hci_dev_list_lock);
+ write_lock(&hci_dev_list_lock);
/* Find first available device id */
list_for_each(p, &hci_dev_list) {
hdev->id = id;
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->sniff_min_interval = 80;
INIT_WORK(&hdev->rx_work, hci_rx_work);
+ INIT_WORK(&hdev->cmd_work, hci_cmd_work);
+ INIT_WORK(&hdev->tx_work, hci_tx_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);
skb_queue_head_init(&hdev->cmd_q);
init_waitqueue_head(&hdev->req_wait_q);
mutex_init(&hdev->req_lock);
- inquiry_cache_init(hdev);
+ discovery_init(hdev);
hci_conn_hash_init(hdev);
INIT_LIST_HEAD(&hdev->uuids);
INIT_LIST_HEAD(&hdev->link_keys);
+ INIT_LIST_HEAD(&hdev->long_term_keys);
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);
atomic_set(&hdev->promisc, 0);
- write_unlock_bh(&hci_dev_list_lock);
+ INIT_WORK(&hdev->le_scan, le_scan_work);
+
+ INIT_DELAYED_WORK(&hdev->le_scan_disable, le_scan_disable_work);
- hdev->workqueue = create_singlethread_workqueue(hdev->name);
+ write_unlock(&hci_dev_list_lock);
+
+ hdev->workqueue = alloc_workqueue(hdev->name, WQ_HIGHPRI | WQ_UNBOUND |
+ WQ_MEM_RECLAIM, 1);
if (!hdev->workqueue) {
error = -ENOMEM;
goto err;
}
}
- set_bit(HCI_AUTO_OFF, &hdev->flags);
- set_bit(HCI_SETUP, &hdev->flags);
- queue_work(hdev->workqueue, &hdev->power_on);
+ set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
+ set_bit(HCI_SETUP, &hdev->dev_flags);
+ schedule_work(&hdev->power_on);
hci_notify(hdev, HCI_DEV_REG);
+ hci_dev_hold(hdev);
return id;
err_wqueue:
destroy_workqueue(hdev->workqueue);
err:
- write_lock_bh(&hci_dev_list_lock);
+ write_lock(&hci_dev_list_lock);
list_del(&hdev->list);
- write_unlock_bh(&hci_dev_list_lock);
+ write_unlock(&hci_dev_list_lock);
return error;
}
BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
- write_lock_bh(&hci_dev_list_lock);
+ set_bit(HCI_UNREGISTER, &hdev->dev_flags);
+
+ write_lock(&hci_dev_list_lock);
list_del(&hdev->list);
- write_unlock_bh(&hci_dev_list_lock);
+ write_unlock(&hci_dev_list_lock);
hci_dev_do_close(hdev);
kfree_skb(hdev->reassembly[i]);
if (!test_bit(HCI_INIT, &hdev->flags) &&
- !test_bit(HCI_SETUP, &hdev->flags)) {
- hci_dev_lock_bh(hdev);
+ !test_bit(HCI_SETUP, &hdev->dev_flags)) {
+ 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_smp_ltks_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);
+ hci_dev_put(hdev);
}
EXPORT_SYMBOL(hci_unregister_dev);
while (count) {
scb = (void *) skb->cb;
- len = min(scb->expect, (__u16)count);
+ len = min_t(uint, scb->expect, count);
memcpy(skb_put(skb, len), data, len);
/* ---- Interface to upper protocols ---- */
-/* Register/Unregister protocols.
- * hci_task_lock is used to ensure that no tasks are running. */
-int hci_register_proto(struct hci_proto *hp)
-{
- int err = 0;
-
- BT_DBG("%p name %s id %d", hp, hp->name, hp->id);
-
- if (hp->id >= HCI_MAX_PROTO)
- return -EINVAL;
-
- write_lock_bh(&hci_task_lock);
-
- if (!hci_proto[hp->id])
- hci_proto[hp->id] = hp;
- else
- err = -EEXIST;
-
- write_unlock_bh(&hci_task_lock);
-
- return err;
-}
-EXPORT_SYMBOL(hci_register_proto);
-
-int hci_unregister_proto(struct hci_proto *hp)
-{
- int err = 0;
-
- BT_DBG("%p name %s id %d", hp, hp->name, hp->id);
-
- if (hp->id >= HCI_MAX_PROTO)
- return -EINVAL;
-
- write_lock_bh(&hci_task_lock);
-
- if (hci_proto[hp->id])
- hci_proto[hp->id] = NULL;
- else
- err = -ENOENT;
-
- write_unlock_bh(&hci_task_lock);
-
- return err;
-}
-EXPORT_SYMBOL(hci_unregister_proto);
-
int hci_register_cb(struct hci_cb *cb)
{
BT_DBG("%p name %s", cb, cb->name);
- write_lock_bh(&hci_cb_list_lock);
+ write_lock(&hci_cb_list_lock);
list_add(&cb->list, &hci_cb_list);
- write_unlock_bh(&hci_cb_list_lock);
+ write_unlock(&hci_cb_list_lock);
return 0;
}
{
BT_DBG("%p name %s", cb, cb->name);
- write_lock_bh(&hci_cb_list_lock);
+ write_lock(&hci_cb_list_lock);
list_del(&cb->list);
- write_unlock_bh(&hci_cb_list_lock);
+ write_unlock(&hci_cb_list_lock);
return 0;
}
BT_DBG("%s type %d len %d", hdev->name, bt_cb(skb)->pkt_type, skb->len);
- if (atomic_read(&hdev->promisc)) {
- /* Time stamp */
- __net_timestamp(skb);
+ /* Time stamp */
+ __net_timestamp(skb);
- hci_send_to_sock(hdev, skb, NULL);
+ /* Send copy to monitor */
+ hci_send_to_monitor(hdev, skb);
+
+ if (atomic_read(&hdev->promisc)) {
+ /* Send copy to the sockets */
+ hci_send_to_sock(hdev, skb);
}
/* Get rid of skb owner, prior to sending to the driver. */
hdev->init_last_cmd = opcode;
skb_queue_tail(&hdev->cmd_q, skb);
- tasklet_schedule(&hdev->cmd_task);
+ queue_work(hdev->workqueue, &hdev->cmd_work);
return 0;
}
skb_shinfo(skb)->frag_list = NULL;
/* Queue all fragments atomically */
- spin_lock_bh(&queue->lock);
+ spin_lock(&queue->lock);
__skb_queue_tail(queue, skb);
__skb_queue_tail(queue, skb);
} while (list);
- spin_unlock_bh(&queue->lock);
+ spin_unlock(&queue->lock);
}
}
hci_queue_acl(conn, &chan->data_q, skb, flags);
- tasklet_schedule(&hdev->tx_task);
+ queue_work(hdev->workqueue, &hdev->tx_work);
}
EXPORT_SYMBOL(hci_send_acl);
bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
skb_queue_tail(&conn->data_q, skb);
- tasklet_schedule(&hdev->tx_task);
+ queue_work(hdev->workqueue, &hdev->tx_work);
}
EXPORT_SYMBOL(hci_send_sco);
/* 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) {
+ rcu_read_lock();
+
+ list_for_each_entry_rcu(conn, &h->list, list) {
struct hci_chan *tmp;
if (conn->type != type)
conn_num++;
- list_for_each_entry(tmp, &conn->chan_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) {
+ rcu_read_lock();
+
+ list_for_each_entry_rcu(conn, &h->list, list) {
struct hci_chan *chan;
if (conn->type != type)
num++;
- list_for_each_entry(chan, &conn->chan_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;
}
-}
-static inline void hci_sched_acl(struct hci_dev *hdev)
-{
- struct hci_chan *chan;
- struct sk_buff *skb;
- int quote;
- unsigned int cnt;
+ rcu_read_unlock();
- BT_DBG("%s", hdev->name);
+}
- if (!hci_conn_num(hdev, ACL_LINK))
- return;
+static inline int __get_blocks(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ /* Calculate count of blocks used by this packet */
+ return DIV_ROUND_UP(skb->len - HCI_ACL_HDR_SIZE, hdev->block_len);
+}
+static inline void __check_timeout(struct hci_dev *hdev, unsigned int cnt)
+{
if (!test_bit(HCI_RAW, &hdev->flags)) {
/* ACL tx timeout must be longer than maximum
* link supervision timeout (40.9 seconds) */
- if (!hdev->acl_cnt && time_after(jiffies, hdev->acl_last_tx + HZ * 45))
+ if (!cnt && time_after(jiffies, hdev->acl_last_tx +
+ msecs_to_jiffies(HCI_ACL_TX_TIMEOUT)))
hci_link_tx_to(hdev, ACL_LINK);
}
+}
- cnt = hdev->acl_cnt;
+static inline void hci_sched_acl_pkt(struct hci_dev *hdev)
+{
+ unsigned int cnt = hdev->acl_cnt;
+ struct hci_chan *chan;
+ struct sk_buff *skb;
+ int quote;
+
+ __check_timeout(hdev, cnt);
while (hdev->acl_cnt &&
(chan = hci_chan_sent(hdev, ACL_LINK, "e))) {
skb = skb_dequeue(&chan->data_q);
hci_conn_enter_active_mode(chan->conn,
- bt_cb(skb)->force_active);
+ bt_cb(skb)->force_active);
hci_send_frame(skb);
hdev->acl_last_tx = jiffies;
hci_prio_recalculate(hdev, ACL_LINK);
}
+static inline void hci_sched_acl_blk(struct hci_dev *hdev)
+{
+ unsigned int cnt = hdev->block_cnt;
+ struct hci_chan *chan;
+ struct sk_buff *skb;
+ int quote;
+
+ __check_timeout(hdev, cnt);
+
+ while (hdev->block_cnt > 0 &&
+ (chan = hci_chan_sent(hdev, ACL_LINK, "e))) {
+ u32 priority = (skb_peek(&chan->data_q))->priority;
+ while (quote > 0 && (skb = skb_peek(&chan->data_q))) {
+ int blocks;
+
+ BT_DBG("chan %p skb %p len %d priority %u", chan, skb,
+ skb->len, skb->priority);
+
+ /* Stop if priority has changed */
+ if (skb->priority < priority)
+ break;
+
+ skb = skb_dequeue(&chan->data_q);
+
+ blocks = __get_blocks(hdev, skb);
+ if (blocks > hdev->block_cnt)
+ return;
+
+ hci_conn_enter_active_mode(chan->conn,
+ bt_cb(skb)->force_active);
+
+ hci_send_frame(skb);
+ hdev->acl_last_tx = jiffies;
+
+ hdev->block_cnt -= blocks;
+ quote -= blocks;
+
+ chan->sent += blocks;
+ chan->conn->sent += blocks;
+ }
+ }
+
+ if (cnt != hdev->block_cnt)
+ hci_prio_recalculate(hdev, ACL_LINK);
+}
+
+static inline void hci_sched_acl(struct hci_dev *hdev)
+{
+ BT_DBG("%s", hdev->name);
+
+ if (!hci_conn_num(hdev, ACL_LINK))
+ return;
+
+ switch (hdev->flow_ctl_mode) {
+ case HCI_FLOW_CTL_MODE_PACKET_BASED:
+ hci_sched_acl_pkt(hdev);
+ break;
+
+ case HCI_FLOW_CTL_MODE_BLOCK_BASED:
+ hci_sched_acl_blk(hdev);
+ break;
+ }
+}
+
/* Schedule SCO */
static inline void hci_sched_sco(struct hci_dev *hdev)
{
hci_prio_recalculate(hdev, LE_LINK);
}
-static void hci_tx_task(unsigned long arg)
+static void hci_tx_work(struct work_struct *work)
{
- struct hci_dev *hdev = (struct hci_dev *) arg;
+ struct hci_dev *hdev = container_of(work, struct hci_dev, tx_work);
struct sk_buff *skb;
- read_lock(&hci_task_lock);
-
BT_DBG("%s acl %d sco %d le %d", hdev->name, hdev->acl_cnt,
hdev->sco_cnt, hdev->le_cnt);
/* Send next queued raw (unknown type) packet */
while ((skb = skb_dequeue(&hdev->raw_q)))
hci_send_frame(skb);
-
- read_unlock(&hci_task_lock);
}
/* ----- HCI RX task (incoming data processing) ----- */
hci_dev_unlock(hdev);
if (conn) {
- register struct hci_proto *hp;
+ hci_conn_enter_active_mode(conn, BT_POWER_FORCE_ACTIVE_OFF);
- hci_conn_enter_active_mode(conn, bt_cb(skb)->force_active);
+ hci_dev_lock(hdev);
+ if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
+ !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
+ mgmt_device_connected(hdev, &conn->dst, conn->type,
+ conn->dst_type, 0, NULL, 0,
+ conn->dev_class);
+ hci_dev_unlock(hdev);
/* Send to upper protocol */
- hp = hci_proto[HCI_PROTO_L2CAP];
- if (hp && hp->recv_acldata) {
- hp->recv_acldata(conn, skb, flags);
- return;
- }
+ l2cap_recv_acldata(conn, skb, flags);
+ return;
} else {
BT_ERR("%s ACL packet for unknown connection handle %d",
hdev->name, handle);
hci_dev_unlock(hdev);
if (conn) {
- register struct hci_proto *hp;
-
/* Send to upper protocol */
- hp = hci_proto[HCI_PROTO_SCO];
- if (hp && hp->recv_scodata) {
- hp->recv_scodata(conn, skb);
- return;
- }
+ sco_recv_scodata(conn, skb);
+ return;
} else {
BT_ERR("%s SCO packet for unknown connection handle %d",
hdev->name, handle);
BT_DBG("%s", hdev->name);
- read_lock(&hci_task_lock);
-
while ((skb = skb_dequeue(&hdev->rx_q))) {
+ /* Send copy to monitor */
+ hci_send_to_monitor(hdev, skb);
+
if (atomic_read(&hdev->promisc)) {
/* Send copy to the sockets */
- hci_send_to_sock(hdev, skb, NULL);
+ hci_send_to_sock(hdev, skb);
}
if (test_bit(HCI_RAW, &hdev->flags)) {
break;
}
}
-
- read_unlock(&hci_task_lock);
}
-static void hci_cmd_task(unsigned long arg)
+static void hci_cmd_work(struct work_struct *work)
{
- struct hci_dev *hdev = (struct hci_dev *) arg;
+ struct hci_dev *hdev = container_of(work, struct hci_dev, cmd_work);
struct sk_buff *skb;
BT_DBG("%s cmd %d", hdev->name, atomic_read(&hdev->cmd_cnt));
jiffies + msecs_to_jiffies(HCI_CMD_TIMEOUT));
} else {
skb_queue_head(&hdev->cmd_q, skb);
- tasklet_schedule(&hdev->cmd_task);
+ queue_work(hdev->workqueue, &hdev->cmd_work);
}
}
}
if (test_bit(HCI_INQUIRY, &hdev->flags))
return -EINPROGRESS;
+ inquiry_cache_flush(hdev);
+
memset(&cp, 0, sizeof(cp));
memcpy(&cp.lap, lap, sizeof(cp.lap));
cp.length = length;
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 / linux-flexiantxendom0-3.2.10.git / blobdiff