#include <linux/notifier.h>
#include <linux/rfkill.h>
#include <linux/timer.h>
+#include <linux/crypto.h>
#include <net/sock.h>
#include <asm/system.h>
switch (hdev->req_status) {
case HCI_REQ_DONE:
- err = -bt_err(hdev->req_result);
+ err = -bt_to_errno(hdev->req_result);
break;
case HCI_REQ_CANCELED:
hci_req_lock(hdev);
+ if (test_bit(HCI_UNREGISTER, &hdev->flags)) {
+ ret = -ENODEV;
+ goto done;
+ }
+
if (hdev->rfkill && rfkill_blocked(hdev->rfkill)) {
ret = -ERFKILL;
goto done;
ret = __hci_request(hdev, hci_init_req, 0,
msecs_to_jiffies(HCI_INIT_TIMEOUT));
- if (lmp_le_capable(hdev))
+ if (lmp_host_le_capable(hdev))
ret = __hci_request(hdev, hci_le_init_req, 0,
msecs_to_jiffies(HCI_INIT_TIMEOUT));
return 0;
}
+struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8])
+{
+ struct link_key *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))
+ continue;
+
+ id = (void *) &k->data;
+ if (id->ediv == ediv &&
+ (memcmp(rand, id->rand, sizeof(id->rand)) == 0))
+ 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 link_key *k;
+
+ list_for_each_entry(k, &hdev->link_keys, list)
+ if (k->type == type && bacmp(bdaddr, &k->bdaddr) == 0)
+ return k;
+
+ return NULL;
+}
+EXPORT_SYMBOL(hci_find_link_key_type);
+
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)
{
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])
+{
+ struct link_key *key, *old_key;
+ struct key_master_id *id;
+ u8 old_key_type;
+
+ BT_DBG("%s addr %s", hdev->name, batostr(bdaddr));
+
+ old_key = hci_find_link_key_type(hdev, bdaddr, HCI_LK_SMP_LTK);
+ if (old_key) {
+ key = old_key;
+ old_key_type = old_key->type;
+ } else {
+ key = kzalloc(sizeof(*key) + sizeof(*id), GFP_ATOMIC);
+ if (!key)
+ return -ENOMEM;
+ list_add(&key->list, &hdev->link_keys);
+ old_key_type = 0xff;
+ }
+
+ 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;
+
+ id = (void *) &key->data;
+ id->ediv = ediv;
+ memcpy(id->rand, rand, sizeof(id->rand));
+
+ if (new_key)
+ mgmt_new_key(hdev->id, key, old_key_type);
+
+ return 0;
+}
+
int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr)
{
struct link_key *key;
BT_ERR("%s command tx timeout", hdev->name);
atomic_set(&hdev->cmd_cnt, 1);
- clear_bit(HCI_RESET, &hdev->flags);
tasklet_schedule(&hdev->cmd_task);
}
return 0;
}
+struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev,
+ bdaddr_t *bdaddr)
+{
+ struct list_head *p;
+
+ list_for_each(p, &hdev->blacklist) {
+ struct bdaddr_list *b;
+
+ b = list_entry(p, struct bdaddr_list, list);
+
+ if (bacmp(bdaddr, &b->bdaddr) == 0)
+ return b;
+ }
+
+ return NULL;
+}
+
+int hci_blacklist_clear(struct hci_dev *hdev)
+{
+ struct list_head *p, *n;
+
+ list_for_each_safe(p, n, &hdev->blacklist) {
+ struct bdaddr_list *b;
+
+ b = list_entry(p, struct bdaddr_list, list);
+
+ list_del(p);
+ kfree(b);
+ }
+
+ return 0;
+}
+
+int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr)
+{
+ struct bdaddr_list *entry;
+
+ if (bacmp(bdaddr, BDADDR_ANY) == 0)
+ return -EBADF;
+
+ if (hci_blacklist_lookup(hdev, bdaddr))
+ return -EEXIST;
+
+ entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL);
+ if (!entry)
+ return -ENOMEM;
+
+ bacpy(&entry->bdaddr, bdaddr);
+
+ list_add(&entry->list, &hdev->blacklist);
+
+ return mgmt_device_blocked(hdev->id, bdaddr);
+}
+
+int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr)
+{
+ struct bdaddr_list *entry;
+
+ if (bacmp(bdaddr, BDADDR_ANY) == 0) {
+ return hci_blacklist_clear(hdev);
+ }
+
+ entry = hci_blacklist_lookup(hdev, bdaddr);
+ if (!entry) {
+ return -ENOENT;
+ }
+
+ list_del(&entry->list);
+ kfree(entry);
+
+ return mgmt_device_unblocked(hdev->id, bdaddr);
+}
+
+static void hci_clear_adv_cache(unsigned long arg)
+{
+ struct hci_dev *hdev = (void *) arg;
+
+ hci_dev_lock(hdev);
+
+ hci_adv_entries_clear(hdev);
+
+ hci_dev_unlock(hdev);
+}
+
+int hci_adv_entries_clear(struct hci_dev *hdev)
+{
+ struct adv_entry *entry, *tmp;
+
+ list_for_each_entry_safe(entry, tmp, &hdev->adv_entries, list) {
+ list_del(&entry->list);
+ kfree(entry);
+ }
+
+ BT_DBG("%s adv cache cleared", hdev->name);
+
+ return 0;
+}
+
+struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr)
+{
+ struct adv_entry *entry;
+
+ list_for_each_entry(entry, &hdev->adv_entries, list)
+ if (bacmp(bdaddr, &entry->bdaddr) == 0)
+ return entry;
+
+ return NULL;
+}
+
+static inline int is_connectable_adv(u8 evt_type)
+{
+ if (evt_type == ADV_IND || evt_type == ADV_DIRECT_IND)
+ return 1;
+
+ return 0;
+}
+
+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))
+ return -EINVAL;
+
+ /* Only new entries should be added to adv_entries. So, if
+ * bdaddr was found, don't add it. */
+ if (hci_find_adv_entry(hdev, &ev->bdaddr))
+ return 0;
+
+ entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
+ if (!entry)
+ return -ENOMEM;
+
+ bacpy(&entry->bdaddr, &ev->bdaddr);
+ entry->bdaddr_type = ev->bdaddr_type;
+
+ list_add(&entry->list, &hdev->adv_entries);
+
+ BT_DBG("%s adv entry added: address %s type %u", hdev->name,
+ batostr(&entry->bdaddr), entry->bdaddr_type);
+
+ return 0;
+}
+
/* Register HCI device */
int hci_register_dev(struct hci_dev *hdev)
{
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_WORK(&hdev->power_on, hci_power_on);
INIT_WORK(&hdev->power_off, hci_power_off);
setup_timer(&hdev->off_timer, hci_auto_off, (unsigned long) hdev);
BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
+ set_bit(HCI_UNREGISTER, &hdev->flags);
+
write_lock_bh(&hci_dev_list_lock);
list_del(&hdev->list);
write_unlock_bh(&hci_dev_list_lock);
hci_unregister_sysfs(hdev);
hci_del_off_timer(hdev);
+ del_timer(&hdev->adv_timer);
destroy_workqueue(hdev->workqueue);
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_put(hdev);
data += (count - rem);
count = rem;
- };
+ }
return rem;
}
data += (count - rem);
count = rem;
- };
+ }
return rem;
}
min = c->sent;
conn = c;
}
+
+ if (hci_conn_num(hdev, type) == num)
+ break;
}
if (conn) {
BT_DBG("%s", hdev->name);
+ if (!hci_conn_num(hdev, ACL_LINK))
+ return;
+
if (!test_bit(HCI_RAW, &hdev->flags)) {
/* ACL tx timeout must be longer than maximum
* link supervision timeout (40.9 seconds) */
while (quote-- && (skb = skb_dequeue(&conn->data_q))) {
BT_DBG("skb %p len %d", skb, skb->len);
- hci_conn_enter_active_mode(conn);
+ hci_conn_enter_active_mode(conn, bt_cb(skb)->force_active);
hci_send_frame(skb);
hdev->acl_last_tx = jiffies;
BT_DBG("%s", hdev->name);
+ if (!hci_conn_num(hdev, SCO_LINK))
+ return;
+
while (hdev->sco_cnt && (conn = hci_low_sent(hdev, SCO_LINK, "e))) {
while (quote-- && (skb = skb_dequeue(&conn->data_q))) {
BT_DBG("skb %p len %d", skb, skb->len);
BT_DBG("%s", hdev->name);
+ if (!hci_conn_num(hdev, ESCO_LINK))
+ return;
+
while (hdev->sco_cnt && (conn = hci_low_sent(hdev, ESCO_LINK, "e))) {
while (quote-- && (skb = skb_dequeue(&conn->data_q))) {
BT_DBG("skb %p len %d", skb, skb->len);
BT_DBG("%s", hdev->name);
+ if (!hci_conn_num(hdev, LE_LINK))
+ return;
+
if (!test_bit(HCI_RAW, &hdev->flags)) {
/* LE tx timeout must be longer than maximum
* link supervision timeout (40.9 seconds) */
read_unlock(&hci_task_lock);
}
-/* ----- HCI RX task (incoming data proccessing) ----- */
+/* ----- HCI RX task (incoming data processing) ----- */
/* ACL data packet */
static inline void hci_acldata_packet(struct hci_dev *hdev, struct sk_buff *skb)
if (conn) {
register struct hci_proto *hp;
- hci_conn_enter_active_mode(conn);
+ hci_conn_enter_active_mode(conn, bt_cb(skb)->force_active);
/* Send to upper protocol */
hp = hci_proto[HCI_PROTO_L2CAP];
if (hdev->sent_cmd) {
atomic_dec(&hdev->cmd_cnt);
hci_send_frame(skb);
- mod_timer(&hdev->cmd_timer,
+ if (test_bit(HCI_RESET, &hdev->flags))
+ del_timer(&hdev->cmd_timer);
+ else
+ mod_timer(&hdev->cmd_timer,
jiffies + msecs_to_jiffies(HCI_CMD_TIMEOUT));
} else {
skb_queue_head(&hdev->cmd_q, skb);
projects / linux-flexiantxendom0.git / blobdiff